Environment adaptability detection system and method for portable charging pile

Through the portable charging pile environment adaptability detection system, the interface configuration, environmental evaluation, operation supervision and deep learning detection models are used to solve the limitations of the use of portable charging piles in complex environments, and the safety and performance of the portable charging piles are achieved. Inspection ensures the safety and stability of the equipment.

CN119104817AInactive Publication Date: 2024-12-10SHENZHEN INSPECTION GRP (DONGGUAN) QUALITY TECH SERVICE CO LTD
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Patent Information

Application Number
CN202411348564.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2024-12-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing portable charging piles have limitations in complex and changing outdoor environments. Environmental factors such as temperature and humidity affect their performance and safety, making it difficult to effectively detect and screen safety hazards.

Method used

An environmental adaptability detection system was designed, including interface configuration module, environmental assessment module, operation supervision module and model detection module. Through secure access, external environment information collection, internal operation data comparison and deep learning, detection model is constructed to realize Functional detection of portable charging piles.

Benefits of technology

It improves the environmental adaptability and safety during inspection, can promptly screen out the safety problems of charging piles, and ensures the efficient and stable operation of charging piles.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention discloses an environment adaptability detection system and method for a portable charging pile, and relates to the technical field of charging pile detection, and the system comprises a detection center which is in communication connection with an interface configuration module, an environment evaluation module, an operation supervision module and a model detection module. Secure access between the charging pile detection interface and the portable charging pile is carried out through the interface configuration module, parameter configuration is carried out on the charging pile detection interface, and the external environment state of the portable charging pile is evaluated through the environment evaluation module; the internal operation data of the portable charging pile are obtained through the operation supervision module and are compared with the preset expected operation data to obtain the operation dispersion of the portable charging pile, the internal operation state of the portable charging pile is evaluated, and the model detection module constructs a charging pile detection model according to the external environment state and the internal operation state. And the detection center performs function detection on the portable charging pile through the charging pile detection interface in combination with the charging pile detection model.
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Description

Technical Field

[0001] The present invention relates to the technical field of charging pile detection, and in particular to an environmental adaptability detection system and method for a portable charging pile. Background Art

[0002] With the development and popularization of large and medium-sized power-consuming equipment such as new energy vehicles, portable charging piles have attracted widespread attention due to their convenience and flexibility. However, existing portable charging piles have certain limitations in use in complex and changeable outdoor environments. Environmental factors such as temperature, humidity and various other environmental factors may affect the performance and safety of the charging piles.

[0003] Therefore, how to study a portable charging pile detection system that can adapt to different environmental conditions to improve its environmental adaptability and safety during detection, and then more perfectly realize the detection of charging piles, so as to facilitate timely screening of potential safety hazards in charging piles, is the key and difficult problem currently faced by charging pile detection. Summary of the invention

[0004] In order to solve the above problems, an object of the present invention is to provide an environmental adaptability detection system and method for a portable charging pile.

[0005] The object of the present invention can be achieved by the following technical solutions: an environmental adaptability detection system for a portable charging pile, comprising a detection center, wherein the detection center is communicatively connected with an interface configuration module, an environmental assessment module, an operation supervision module, and a model detection module;

[0006] The interface configuration module is used to perform safe access between the charging pile detection interface and the portable charging pile, and to perform parameter configuration on the charging pile detection interface after the safe access is completed;

[0007] The environmental assessment module is used to obtain the external environmental information of the portable charging pile, and assess the current external environmental state of the portable charging pile according to the external environmental information;

[0008] The operation monitoring module is used to obtain the internal operation data of the portable charging pile, and compare the internal operation data with the preset expected operation data, obtain the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result, and evaluate the internal operation state of the current portable charging pile according to the operation dispersion;

[0009] The model detection module is used to construct a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile, and the detection center performs functional detection of the portable charging pile through the charging pile detection interface combined with the charging pile detection model.

[0010] Furthermore, the interface configuration module performs a process of securely accessing the charging pile detection interface and the portable charging pile, and configuring parameters of the charging pile detection interface after the secure access is completed, including:

[0011] The charging pile detection interface corresponds to different interface states, including an enabled state and a standby state. The initial interface state of the charging pile detection interface defaults to the standby state. The charging pile detection interface is physically connected to the charging cable of the portable charging pile, and the interface configuration module synchronously determines whether the portable charging pile is an authorized device;

[0012] If so, the physical connection between the charging pile detection interface and the portable charging pile is a safe access. If not, the current physical connection is not a safe access, and the charging cable of the portable charging pile is disconnected from the charging pile detection interface. The charging pile detection interface that has completed the safe access is parameterized, and the corresponding interface parameters are generated through the parameter configuration. The interface parameters include charging voltage, charging current and charging power.

[0013] Furthermore, the process in which the environmental assessment module obtains the external environmental information of the portable charging pile and assesses the current external environmental state of the portable charging pile according to the external environmental information includes:

[0014] Several types of sensors are arranged around the portable charging pile. The environmental assessment module collects external environmental information of the portable charging pile through the several types of sensors. The external environmental information includes the charging pile ambient temperature, the charging pile ambient humidity and the charging pile body pressure.

[0015] Set the corresponding safety intervals for the charging pile ambient temperature, charging pile ambient humidity, and charging pile body pressure, and record them as Ω 温度 ,Ω 湿度 and Ω 压力 , the values ​​of the charging pile ambient temperature, the charging pile ambient humidity and the charging pile body pressure are recorded as τ1, τ2 and τ3 respectively;

[0016] when When τ1∈Ω 温度 When , no operation is performed; when When τ2∈Ω 湿度 When , no operation is performed; when When τ3∈Ω 压力 When , no operation is performed;

[0017] The external environment status of the portable charging pile includes abnormal temperature and humidity status, abnormal pressure status, overall abnormal status and overall safety status;

[0018] If only the state characterization factor α or β exists, the external environment state of the current portable charging pile is evaluated as an abnormal temperature and humidity state; if only the state characterization factor γ exists, the external environment state of the current portable charging pile is evaluated as an abnormal pressure state; when the state characterization factor γ exists and there is also the state characterization factor α or β, the external environment state of the current portable charging pile is evaluated as an overall abnormal state; if no state characterization factor exists, the external environment state of the current portable charging pile is evaluated as an overall safe state.

[0019] Furthermore, the operation monitoring module obtains the internal operation data of the portable charging pile, and compares the internal operation data with the preset expected operation data, and the process of obtaining the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result includes:

[0020] The operation supervision module initializes a supervision script and runs it, and obtains the internal operation data of the current portable charging pile through the supervision script. The internal operation data includes the charging pile operation voltage, the charging pile operation power and the charging pile operation current;

[0021] Preset expected operation data, the expected operation data includes a voltage maintenance threshold, a power maintenance threshold, and a current maintenance threshold, compare the internal operation data with the expected operation data, and then generate corresponding first comparison items, second comparison items, and third comparison items, and obtain voltage deviation values, power deviation values, and current deviation values ​​according to the first comparison items, the second comparison items, and the third comparison items, respectively;

[0022] The mean of the voltage deviation value, power deviation value and current deviation value at several time nodes is obtained as the voltage discrete value, power discrete value and current discrete value, and the weight a and weight b are set to perform weighted average on the voltage discrete value, power discrete value and current discrete value, so as to obtain the corresponding operation discreteness when the portable charging pile is currently running, and it is recorded as η 运行离散 .

[0023] Further, the process of generating a first comparison item, a second comparison item, and a third comparison item, and respectively deriving a voltage deviation value, a power deviation value, and a current deviation value according to the first comparison item, the second comparison item, and the third comparison item includes:

[0024] The charging pile operation voltage and the voltage maintenance threshold are combined to generate a first comparison item, the charging pile operation power and the power maintenance threshold are combined to generate a second comparison item, and the charging pile operation current and the current maintenance threshold are combined to generate a third comparison item;

[0025] Among them, the charging pile operating voltage, charging pile operating power and charging pile operating current are respectively denoted as V 运行 , W 运行 and A运行 , the voltage maintenance threshold, power maintenance threshold and current maintenance threshold are denoted as V 维持 , W 维持 and A 维持 ;

[0026] The first comparison item, the second comparison item, and the third comparison item are respectively denoted as BD1, BD2, and BD3, where BD1=V 运行 -V 维持 , BD2=W 运行 -W 维持 , BD3=A 运行 -A 维持 ;

[0027] The voltage deviation, power deviation and current deviation are denoted as δ 电压偏差 , δ 功率偏差 and δ 电流偏差 ;

[0028] When BD1≥0, assign δ 电压偏差 =0, when BD1<0, assign δ 电压偏差 =|BD1|;

[0029] When BD2≥0, assign δ 功率偏差 =0, when BD2<0, assign δ 功率偏差 =|BD2|;

[0030] When BD3≥0, assign δ 电流偏差 =0, when BD3<0, assign δ 电流偏差 =|BD3|.

[0031] Furthermore, the process of evaluating the internal operating state of the current portable charging pile according to the operating dispersion includes:

[0032] Set the operating state interval, which includes the normal operating interval and the abnormal operating interval, which are denoted as Ω 正常 and Ω 异常 When η 运行离散 ∈Ω 正常 When η 运行离散 ∈Ω 异常 When the internal operating state of the current portable charging pile is evaluated as a disordered operating state.

[0033] Furthermore, the process of the model detection module constructing a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile includes:

[0034] The model detection module constructs an initial convolutional neural network model through deep learning technology, constructs an external convolution layer and an external pooling layer for each of the abnormal temperature and humidity state, the abnormal pressure state, the overall abnormal state, and the overall safe state, and constructs an internal convolution layer and an internal pooling layer for each of the stable operation state and the disordered operation state;

[0035] Setting activation functions and loss functions for the external convolution layer and the external pooling layer, and setting activation functions and loss functions for the internal convolution layer and the internal pooling layer, and then obtaining positive weights and negative weights corresponding to the external environment state and the internal operation state through the activation function and the loss function, and then establishing a first model matrix corresponding to the external environment state and a second model matrix corresponding to the internal operation state, and transposing the first model matrix and the second model matrix respectively, and then obtaining their respective transposed matrices;

[0036] Constructing the input nodes of the initial convolutional neural network model, the input nodes include external input nodes and internal input nodes, and constructing the input items of the external input nodes and the internal input nodes according to the first model matrix and its transposed matrix, the second model matrix and its transposed matrix, and their corresponding positive weights and negative weights, and recording them as Input1 and Input2 respectively;

[0037] Construct the output node of the initial convolutional neural network model, and then construct the initial convolutional neural network model into the final charging pile detection model, accumulate the corresponding values ​​of Input1 and Input2 as the output value of the output node, and use the output value as the model feature value of the final charging pile detection model.

[0038] Furthermore, the process of the testing center performing functional testing of the portable charging pile through the charging pile testing interface in combination with the charging pile testing model includes:

[0039] The preset detection comparison table is used to record the charging pile adaptability detection parameters under different characteristic detection values;

[0040] The detection center traverses the feature detection value that is the same as the model feature value in the detection comparison table according to the model feature value output by the charging pile detection model, and pulls the charging pile adaptability detection parameter number corresponding to the feature detection value in the detection comparison table as the working parameter of the charging pile detection interface, and then performs functional detection on the current portable charging pile through the charging pile detection interface;

[0041] The functional detection includes charging efficiency detection and charging safety status detection.

[0042] Furthermore, an environmental adaptability detection method for an environmental adaptability detection system of a portable charging pile comprises the following steps:

[0043] Step S1: Performing safe access between the charging pile detection interface and the portable charging pile, and configuring parameters of the charging pile detection interface after the safe access is completed;

[0044] Step S2: obtaining external environment information of the portable charging pile, and evaluating the current external environment state of the portable charging pile according to the external environment information;

[0045] Step S3: obtaining the internal operation data of the portable charging pile, and comparing the internal operation data with the preset expected operation data, obtaining the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result, and evaluating the internal operation state of the current portable charging pile according to the operation dispersion;

[0046] Step S4: construct a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile, and the detection center performs functional detection of the portable charging pile through the charging pile detection interface in combination with the charging pile detection model.

[0047] Compared with the prior art, the beneficial effects of the present invention are as follows: the external environmental information of the portable charging pile is obtained through the environmental assessment module, and its external environmental status is evaluated; the internal operating data of the portable charging pile is obtained through the operation supervision module, and compared with the preset expected operating data; the operating discreteness of the portable charging pile during internal operation is obtained according to the comparison result, and then its internal operating status is evaluated; the model detection module comprehensively considers the external environmental status and the internal operating status to construct a charging pile detection model; and the detection center performs functional detection of the portable charging pile through the charging pile detection interface combined with the charging pile detection model, which effectively improves the environmental adaptability and safety during detection; screens out possible safety problems of the charging pile through functional detection, and promptly eliminates the potential safety hazards of the portable charging pile, thereby ensuring the efficient and stable operation of the portable charging pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a schematic diagram of the present invention. DETAILED DESCRIPTION

[0049] like Figure 1 As shown, an environmental adaptability detection system for a portable charging pile includes a detection center, and the detection center is communicatively connected with an interface configuration module, an environmental assessment module, an operation supervision module, and a model detection module;

[0050] The interface configuration module is used to perform safe access between the charging pile detection interface and the portable charging pile, and to perform parameter configuration on the charging pile detection interface after the safe access is completed;

[0051] The environmental assessment module is used to obtain the external environmental information of the portable charging pile, and assess the current external environmental state of the portable charging pile according to the external environmental information;

[0052] The operation monitoring module is used to obtain the internal operation data of the portable charging pile, and compare the internal operation data with the preset expected operation data, obtain the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result, and evaluate the internal operation state of the current portable charging pile according to the operation dispersion;

[0053] The model detection module is used to construct a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile, and the detection center performs functional detection of the portable charging pile through the charging pile detection interface combined with the charging pile detection model.

[0054] It should be further explained that, in a specific implementation process, the interface configuration module performs a process of securely accessing the charging pile detection interface and the portable charging pile, and configuring parameters of the charging pile detection interface after the secure access is completed, including:

[0055] The charging pile detection interface is used to perform subsequent detection of the portable charging pile;

[0056] The portable charging pile is used to charge and supply power to electric vehicles, electric vehicles, and other large and medium-sized equipment that require electricity;

[0057] The charging pile detection interface corresponds to different interface states, and the interface states include an enabled state and a standby state. The enabled state is a state in which the charging pile detection interface is in operation, and the standby state is a state in which the charging pile detection interface is not in operation.

[0058] The initial interface state of the charging pile detection interface is the standby state by default, the charging pile detection interface is physically connected to the charging cable of the portable charging pile, and the interface configuration module synchronously determines whether the portable charging pile is an authorized device;

[0059] Specifically: obtain the digital certificate, device built-in password and IoT identification code of the portable charging pile. When the digital certificate is a legal certificate, the device built-in password is consistent with the preset initial password, and the IoT identification code is any one of the preset identification code table, the portable charging pile is judged to be an authorized device. Otherwise, the portable charging pile is judged to be not an authorized device.

[0060] When the portable charging pile is an authorized device, the physical connection between the charging pile detection interface and the portable charging pile is a safe access; otherwise, the physical connection between the charging pile detection interface and the portable charging pile is not a safe access, and the charging cable of the portable charging pile is disconnected from the charging pile detection interface;

[0061] The charging pile detection interface that has completed safe access is parameterized, and corresponding interface parameters are generated through the parameter configuration, wherein the interface parameters include charging voltage, charging current, and charging power.

[0062] It should be further explained that, in a specific implementation process, the process in which the environmental assessment module obtains the external environmental information of the portable charging pile and assesses the current external environmental state of the portable charging pile according to the external environmental information includes:

[0063] Several types of sensors are arranged around the portable charging pile, the several types of sensors include temperature sensors, humidity sensors and pressure sensors, and the environmental assessment module collects external environmental information reflecting the environmental conditions of the portable charging pile through the several types of sensors;

[0064] The external environment information includes the charging pile environment temperature, the charging pile environment humidity and the charging pile body pressure, wherein the charging pile environment temperature is obtained by a temperature sensor, the charging pile environment humidity is obtained by a humidity sensor, and the charging pile body pressure is obtained by a pressure sensor, and the charging pile environment temperature, the charging pile environment humidity and the charging pile body pressure are respectively used to characterize the real-time temperature and real-time humidity of the environment in which the portable charging pile is currently located and the real-time pressure borne by the charging pile body;

[0065] Set the safety intervals corresponding to the charging pile ambient temperature, charging pile ambient humidity and charging pile body pressure included in the external environment information, and record their respective safety intervals as Ω 温度 ,Ω 湿度 and Ω 压力 , the values ​​of the charging pile ambient temperature, the charging pile ambient humidity and the charging pile body pressure are recorded as τ1, τ2 and τ3 respectively;

[0066] when When τ1∈Ω 温度 When , no operation is performed;

[0067] when When τ2∈Ω 湿度 When , no operation is performed;

[0068] when When τ3∈Ω 压力 When , no operation is performed;

[0069] The external environment state of the portable charging pile includes abnormal temperature and humidity state, abnormal pressure state, overall abnormal state and overall safety state;

[0070] If only the state characterization factor α or β exists, the external environment state of the current portable charging pile is evaluated as an abnormal temperature and humidity state;

[0071] If only the state characterization factor γ exists, the external environment state of the current portable charging pile is evaluated as an abnormal pressure state;

[0072] When there is a state characterization factor γ and there is also a state characterization factor α or β, the external environment state of the current portable charging pile is evaluated as an overall abnormal state;

[0073] If there is no state characterization factor, the current external environment state of the portable charging pile is evaluated as an overall safe state.

[0074] It should be further explained that, in a specific implementation process, the operation monitoring module obtains the internal operation data of the portable charging pile, and compares the internal operation data with the preset expected operation data, and the process of obtaining the operation discreteness corresponding to the internal operation of the portable charging pile according to the comparison result includes:

[0075] The operation supervision module initializes a supervision script, which records the supervision duration, supervision frequency and script built-in environment parameters, runs the current supervision script according to the supervision duration and supervision frequency, and obtains the internal operation data of the current portable charging pile through the supervision script, wherein the internal operation data includes the charging pile operation voltage, the charging pile operation power and the charging pile operation current;

[0076] When the supervision script does not run according to the recorded supervision duration and supervision frequency, the current supervision script is marked as abnormal operation. When the script built-in environment parameters change, the current supervision script is marked as abnormal operation, and the abnormally running supervision script is reinitialized until the supervision script is running normally.

[0077] Preset expected operation data, the expected operation data including a voltage maintenance threshold corresponding to when the operating voltage of the charging pile is within a normal performance index, a power maintenance threshold corresponding to when the operating power of the charging pile is within a normal performance index, and a current maintenance threshold corresponding to when the operating current of the charging pile is within a normal performance index;

[0078] The voltage maintenance threshold, power maintenance threshold and current maintenance threshold are denoted as V 维持 , W 维持 and A 维持 , the charging pile operating voltage, charging pile operating power and charging pile operating current are respectively denoted as V 运行 , W 运行 and A 运行 ;

[0079] Compare the internal operation data with the expected operation data, specifically: combine the charging pile operation voltage with the voltage maintenance threshold as the first comparison item, combine the charging pile operation power with the power maintenance threshold as the second comparison item, and combine the charging pile operation current with the current maintenance threshold as the third comparison item;

[0080] The first comparison item is recorded as BD1, then BD1 = V 运行 -V 维持 , let the second comparison item be BD2, and BD2 = W 运行 -W 维持 , let the third comparison item be BD3, then BD3=A 运行 -A 维持 ;

[0081] The voltage deviation value, power deviation value and current deviation value are obtained according to the first comparison item, the second comparison item and the third comparison item respectively, and the voltage deviation value, power deviation value and current deviation value are respectively recorded as δ 电压偏差 , δ 功率偏差 and δ 电流偏差 ;

[0082] When BD1≥0, assign δ 电压偏差 =0, when BD1<0, assign δ 电压偏差 =|BD1|;

[0083] When BD2≥0, assign δ 功率偏差 =0, when BD2<0, assign δ 功率偏差 =|BD2|;

[0084] When BD3≥0, assign δ 电流偏差 =0, when BD3<0, assign δ 电流偏差 =|BD3|;

[0085] The mean values ​​of the voltage deviation, power deviation and current deviation at several time nodes are obtained as the voltage discrete value, power discrete value and current discrete value, and the voltage discrete value, power discrete value and current discrete value are recorded as V 离散 , W 离散 and A 离散 ;

[0086] Among them, V 离散 , W 离散 and A 离散 The respective expression formulas are as follows:

[0087]

[0088] Among them, several time nodes are numbered, and the number is recorded as i, then i = 1, 2, 3, ..., n, n is a natural number greater than 0, δ 电压偏差 [i], δ 功率偏差 [i] and δ 电流偏差 [i] are the voltage deviation value, power deviation value and current deviation value at the i-th time node respectively;

[0089] The weights a and b are set to perform weighted average on the voltage discrete value, power discrete value, and current discrete value, and then the operation discreteness corresponding to the current operation of the portable charging pile is obtained, and the operation discreteness is recorded as η 运行离散 , the expression formula of the running discreteness is as follows:

[0090] η 运行离散 =V 离散 ×a+W 离散 ×b+A 离散 ×(1-ab);

[0091] Among them, 0<a<1, 0<b<1, 0<a+b<1;

[0092] It should be noted that the operation dispersion of the portable charging pile is used to indicate the gap between its current operation performance index and the normal operation performance index. The larger the value of the operation dispersion, the more the internal operation of the current portable charging pile deviates from the normal state.

[0093] It should be further explained that, in the specific implementation process, the process of evaluating the internal operating state of the current portable charging pile according to the operating dispersion includes:

[0094] An operating state interval is set, and the current portable charging pile is evaluated as different internal operating states according to the operating state interval, wherein the operating state interval includes a normal operating interval and an abnormal operating interval, which are respectively denoted as Ω 正常 and Ω 异常 ;

[0095] When η 运行离散 ∈Ω 正常 When the internal operating state of the current portable charging pile is evaluated as a stable operating state;

[0096] When η 运行离散 ∈Ω 异常 When the internal operating state of the current portable charging pile is evaluated as a disordered operating state.

[0097] It should be further explained that, in a specific implementation process, the process of the model detection module constructing a corresponding charging pile detection model according to the external environment state and the internal operation state of the portable charging pile includes:

[0098] The model detection module constructs an initial convolutional neural network model through deep learning technology, constructs an external convolution layer and an external pooling layer for each of the abnormal temperature and humidity state, the abnormal pressure state, the overall abnormal state, and the overall safe state, and constructs an internal convolution layer and an internal pooling layer for each of the stable operation state and the disordered operation state;

[0099] The activation function and loss function of the outer convolution layer and the outer pooling layer are set respectively, and are recorded as the first activation function and the first loss function; the activation function and loss function of the inner convolution layer and the inner pooling layer are set respectively, and are recorded as the second activation function and the second loss function;

[0100] The positive weight corresponding to the external environment state is obtained through the first activation function, the negative weight corresponding to the external environment state is obtained through the first loss function, the positive weight corresponding to the internal operation state is obtained through the second activation function, and the negative weight corresponding to the internal operation state is obtained through the second loss function;

[0101] Establishing a first model matrix corresponding to the external environment state, establishing a second model matrix corresponding to the internal operation state, transposing the first model matrix and the second model matrix respectively, and then obtaining a corresponding transposed matrix;

[0102] The first model matrix and its transposed matrix are denoted as A1 and A1 respectively. T , the second model matrix and its transposed matrix are denoted as A2 and A2 respectively T , the positive weight and negative weight corresponding to the external environment state are recorded as QZ1 and QZ1', and used as the multipliers of the first model matrix and its transposed matrix respectively, and the positive weight and negative weight corresponding to the internal operation state are recorded as QZ2 and QZ2', and used as the multipliers of the second model matrix and its transposed matrix respectively;

[0103] Constructing an initial convolutional neural network model input node, wherein the input node includes an external input node and an internal input node;

[0104] According to A1, A1 T , QZ1 and QZ1` construct the input item of the external input node, and let the input item be Input1, then Input1=A1×QZ1+A1 T ×QZ1`;

[0105] According to A2, A2 T , QZ2 and QZ2` construct the input item of the internal input node, and let the input item be Input2, then Input2=A2×QZ2+A2 T ×QZ2`;

[0106] Construct the output node of the initial convolutional neural network model, and then construct the initial convolutional neural network model into the final charging pile detection model, accumulate the corresponding values ​​of Input1 and Input2 as the output value of the output node, and use the output value as the model feature value of the final charging pile detection model.

[0107] It should be further explained that, in the specific implementation process, the process of the testing center performing functional testing of the portable charging pile through the charging pile testing interface combined with the charging pile testing model includes:

[0108] A detection comparison table is preset, wherein the detection comparison table records the charging pile adaptability detection parameters under different characteristic detection values, wherein the charging pile adaptability detection parameters are specific operation data for a series of subsequent detections of the current portable charging pile, and the characteristic detection value is used as a search identifier corresponding to each charging pile adaptability detection parameter, and the search identifier is not repeated;

[0109] The detection center traverses the feature detection value that is the same as the model feature value in the detection comparison table according to the model feature value output by the charging pile detection model, and pulls the charging pile adaptability detection parameter corresponding to the feature detection value in the detection comparison table, and uses the pulled charging pile adaptability detection parameter as the working parameter of the charging pile detection interface, and then performs a function detection on the current portable charging pile through the charging pile detection interface;

[0110] The functional detection includes charging efficiency detection and charging safety status detection;

[0111] The charging efficiency detection is used to detect whether the charging efficiency of the current portable charging pile is within the normal efficiency value range. If so, no operation is performed, otherwise a fault warning 1 is generated;

[0112] The charging safety status detection includes an overload protection test, a short circuit protection test, a leakage protection test, and a temperature monitoring test. If all are qualified, no operation is performed. Otherwise, a second fault warning is generated.

[0113] Among them, the overload protection test is used to determine whether the portable charging pile can automatically cut off the power when the working current exceeds the specified value. The short-circuit protection test is used to determine whether the protection mechanism of the portable charging pile is effective when a short circuit occurs. The leakage protection test is used to determine whether the portable charging pile can automatically cut off the power supply when leakage occurs. The temperature monitoring test is used to determine whether the corresponding thermal management system of the portable charging pile is normal under abnormal temperature conditions;

[0114] When fault warning one or fault warning two is generated, the fault warning one or fault warning two is sent to the corresponding troubleshooting personnel, who will maintain the portable charging pile to eliminate the safety hazards of the portable charging pile in a timely manner.

[0115] The present invention also provides an environmental adaptability detection method for an environmental adaptability detection system of a portable charging pile, comprising the following steps:

[0116] Step S1: Performing safe access between the charging pile detection interface and the portable charging pile, and configuring parameters of the charging pile detection interface after the safe access is completed;

[0117] Step S2: obtaining external environment information of the portable charging pile, and evaluating the current external environment state of the portable charging pile according to the external environment information;

[0118] Step S3: obtaining the internal operation data of the portable charging pile, and comparing the internal operation data with the preset expected operation data, obtaining the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result, and evaluating the internal operation state of the current portable charging pile according to the operation dispersion;

[0119] Step S4: construct a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile, and the detection center performs functional detection of the portable charging pile through the charging pile detection interface in combination with the charging pile detection model.

[0120] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. An environmental adaptability detection system for a portable charging pile, comprising a detection center, characterized in that: The detection center is communicatively connected with an interface configuration module, an environment assessment module, an operation supervision module and a model detection module; The interface configuration module is used to perform safe access between the charging pile detection interface and the portable charging pile, and to perform parameter configuration on the charging pile detection interface after the safe access is completed; The environmental assessment module is used to obtain the external environmental information of the portable charging pile, and assess the current external environmental state of the portable charging pile according to the external environmental information; The operation monitoring module is used to obtain the internal operation data of the portable charging pile, and compare the internal operation data with the preset expected operation data, obtain the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result, and evaluate the internal operation state of the current portable charging pile according to the operation dispersion; The model detection module is used to construct a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile, and the detection center performs functional detection of the portable charging pile through the charging pile detection interface combined with the charging pile detection model.

2. The environmental adaptability detection system for a portable charging pile according to claim 1, characterized in that: The interface configuration module performs a safe access between the charging pile detection interface and the portable charging pile, and performs parameter configuration on the charging pile detection interface after the safe access is completed, including: The charging pile detection interface corresponds to different interface states, including an enabled state and a standby state. The initial interface state of the charging pile detection interface defaults to the standby state. The charging pile detection interface is physically connected to the charging cable of the portable charging pile, and the interface configuration module synchronously determines whether the portable charging pile is an authorized device; If so, the physical connection between the charging pile detection interface and the portable charging pile is a safe access. If not, the current physical connection is not a safe access, and the charging cable of the portable charging pile is disconnected from the charging pile detection interface. The charging pile detection interface that has completed the safe access is parameterized, and the corresponding interface parameters are generated through the parameter configuration. The interface parameters include charging voltage, charging current and charging power.

3. The environmental adaptability detection system for a portable charging pile according to claim 2, characterized in that: The process of the environmental assessment module obtaining the external environmental information of the portable charging pile and assessing the current external environmental state of the portable charging pile according to the external environmental information includes: Several types of sensors are arranged around the portable charging pile. The environmental assessment module collects external environmental information of the portable charging pile through the several types of sensors. The external environmental information includes the charging pile ambient temperature, the charging pile ambient humidity and the charging pile body pressure. Set the corresponding safety intervals for the charging pile ambient temperature, charging pile ambient humidity, and charging pile body pressure, and record them as Ω 温度 ,Ω 湿度 and Ω 压力 , the values ​​of the charging pile ambient temperature, the charging pile ambient humidity and the charging pile body pressure are recorded as τ1, τ2 and τ3 respectively; when When τ1∈Ω 温度 When , no operation is performed; when When τ2∈Ω 湿度 When , no operation is performed; when When τ3∈Ω 压力 When , no operation is performed; The external environment status of the portable charging pile includes abnormal temperature and humidity status, abnormal pressure status, overall abnormal status and overall safety status; If only the state characterization factor α or β exists, the external environment state of the current portable charging pile is evaluated as an abnormal temperature and humidity state; if only the state characterization factor γ exists, the external environment state of the current portable charging pile is evaluated as an abnormal pressure state; when the state characterization factor γ exists and there is also the state characterization factor α or β, the external environment state of the current portable charging pile is evaluated as an overall abnormal state; if no state characterization factor exists, the external environment state of the current portable charging pile is evaluated as an overall safe state.

4. The environmental adaptability detection system for a portable charging pile according to claim 3, characterized in that: The operation monitoring module obtains the internal operation data of the portable charging pile, and compares the internal operation data with the preset expected operation data. The process of obtaining the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result includes: The operation supervision module initializes a supervision script and runs it, and obtains the internal operation data of the current portable charging pile through the supervision script. The internal operation data includes the charging pile operation voltage, the charging pile operation power and the charging pile operation current; Preset expected operation data, the expected operation data includes a voltage maintenance threshold, a power maintenance threshold, and a current maintenance threshold, compare the internal operation data with the expected operation data, and then generate corresponding first comparison items, second comparison items, and third comparison items, and obtain voltage deviation values, power deviation values, and current deviation values ​​according to the first comparison items, the second comparison items, and the third comparison items, respectively; The mean of the voltage deviation value, power deviation value and current deviation value at several time nodes is obtained as the voltage discrete value, power discrete value and current discrete value, and the weight a and weight b are set to perform weighted average on the voltage discrete value, power discrete value and current discrete value, so as to obtain the corresponding operation discreteness when the portable charging pile is currently running, and it is recorded as η 运行离散 .

5. The environmental adaptability detection system for a portable charging pile according to claim 4, characterized in that: The process of generating a first comparison item, a second comparison item, and a third comparison item, and respectively obtaining a voltage deviation value, a power deviation value, and a current deviation value according to the first comparison item, the second comparison item, and the third comparison item includes: The charging pile operation voltage and the voltage maintenance threshold are combined to generate a first comparison item, the charging pile operation power and the power maintenance threshold are combined to generate a second comparison item, and the charging pile operation current and the current maintenance threshold are combined to generate a third comparison item; Among them, the charging pile operating voltage, charging pile operating power and charging pile operating current are respectively denoted as V 运行 , W 运行 and A 运行 , the voltage maintenance threshold, power maintenance threshold and current maintenance threshold are denoted as V 维持 , W 维持 and A 维持 ; The first comparison item, the second comparison item, and the third comparison item are respectively denoted as BD1, BD2, and BD3, where BD1=V 运行 -V 维持 , BD2=W 运行 -W 维持 , BD3=A 运行 -A 维持 ; The voltage deviation, power deviation and current deviation are denoted as δ 电压偏差 , δ 功率偏差 and δ 电流偏差 ; When BD1≥0, assign δ 电压偏差 =0, when BD1<0, assign δ 电压偏差 =|BD1|; When BD2≥0, assign δ 功率偏差 =0, when BD2<0, assign δ 功率偏差 =|BD2|; When BD3≥0, assign δ 电流偏差 =0, when BD3<0, assign δ 电流偏差 =|BD3|.

6. The environmental adaptability detection system for a portable charging pile according to claim 5, characterized in that: The process of evaluating the internal operating status of the current portable charging pile according to the operating dispersion includes: Set the operating state interval, which includes the normal operating interval and the abnormal operating interval, respectively denoted as Ω 正常 and Ω 异常 When η 运行离散 ∈Ω 正常 When η 运行离散 ∈Ω 异常 When the internal operating state of the current portable charging pile is evaluated as a disordered operating state.

7. The environmental adaptability detection system for a portable charging pile according to claim 6, characterized in that: The process of the model detection module constructing the corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile includes: The model detection module constructs an initial convolutional neural network model through deep learning technology, constructs an external convolution layer and an external pooling layer for each of the abnormal temperature and humidity state, the abnormal pressure state, the overall abnormal state, and the overall safe state, and constructs an internal convolution layer and an internal pooling layer for each of the stable operation state and the disordered operation state; Setting activation functions and loss functions for the external convolution layer and the external pooling layer, and setting activation functions and loss functions for the internal convolution layer and the internal pooling layer, and then obtaining positive weights and negative weights corresponding to the external environment state and the internal operation state through the activation function and the loss function, and then establishing a first model matrix corresponding to the external environment state and a second model matrix corresponding to the internal operation state, and transposing the first model matrix and the second model matrix respectively, and then obtaining their respective transposed matrices; Constructing the input nodes of the initial convolutional neural network model, the input nodes include external input nodes and internal input nodes, and constructing the input items of the external input nodes and the internal input nodes according to the first model matrix and its transposed matrix, the second model matrix and its transposed matrix, and their corresponding positive weights and negative weights, and recording them as Input1 and Input2 respectively; Construct the output node of the initial convolutional neural network model, and then construct the initial convolutional neural network model into the final charging pile detection model, accumulate the corresponding values ​​of Input1 and Input2 as the output value of the output node, and use the output value as the model feature value of the final charging pile detection model.

8. The environmental adaptability detection system for a portable charging pile according to claim 7, characterized in that: The process of the testing center performing functional testing of the portable charging pile through the charging pile testing interface combined with the charging pile testing model includes: The preset detection comparison table is used to record the charging pile adaptability detection parameters under different characteristic detection values; The detection center traverses the feature detection value that is the same as the model feature value in the detection comparison table according to the model feature value output by the charging pile detection model, and pulls the charging pile adaptability detection parameter number corresponding to the feature detection value in the detection comparison table as the working parameter of the charging pile detection interface, and then performs functional detection on the current portable charging pile through the charging pile detection interface; The functional detection includes charging efficiency detection and charging safety status detection.

9. The environmental adaptability detection method for an environmental adaptability detection system for a portable charging pile according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step S1: Performing safe access between the charging pile detection interface and the portable charging pile, and configuring parameters of the charging pile detection interface after the safe access is completed; Step S2: obtaining external environment information of the portable charging pile, and evaluating the current external environment state of the portable charging pile according to the external environment information; Step S3: obtaining the internal operation data of the portable charging pile, and comparing the internal operation data with the preset expected operation data, obtaining the operation dispersion corresponding to the internal operation of the portable charging pile according to the comparison result, and evaluating the internal operation state of the current portable charging pile according to the operation dispersion; Step S4: construct a corresponding charging pile detection model according to the external environment state and internal operation state of the portable charging pile, and the detection center performs functional detection of the portable charging pile through the charging pile detection interface in combination with the charging pile detection model.

Citation Information

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