New energy automobile detection system based on Internet of Things

Abstract

The invention relates to the technical field of new energy automobile detection, in particular to a new energy automobile detection system based on the Internet of Things. Comprising a data encryption module, a data transmission module, a charging detection module, a battery detection module, an insulation monitoring module, a high-voltage monitoring module, a data backup unit and a cloud platform, the data encryption module comprises an access authorization unit and a data acquisition unit, and the access authorization unit comprises a fingerprint verification end, a face verification end and a password verification end. The data acquisition unit comprises an acquisition end, a key generation end, a key management end and an encryption algorithm end, an identity verification mechanism is introduced, the system can verify the identity of a user, and it is ensured that only the user with proper authority can access protected resources; the access and operation of unauthorized users to the detection system are fundamentally prevented, the security risk is reduced, the invasion of malicious users or attackers can be detected and prevented, and the security vulnerabilities of the system are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicle detection, and in particular to a new energy vehicle detection system based on the Internet of Things. Background Art

[0002] Prior art patent CN106679992A discloses a new energy vehicle detection system based on the Internet of Things, including a control panel, a touch screen is embedded on the upper end of the control panel, a USB interface, an RS485 communication serial port, a network cable interface and a power interface are sequentially arranged on the side of the control panel, the output end of the control module electrically connected to the touch screen is electrically connected to the input end of the network connection module, the control module is electrically connected to the information management module, the battery data detection module, the Internet of Things controller, and the information proofreading module respectively, the input end of the control module is electrically connected to the output end of the vehicle status data acquisition module, the cloud computing module, the temperature detection module and the tire pressure monitoring module respectively, the control module is electrically connected to the communication module, the wireless data transceiver module and the instrument equipment diagnosis module respectively, the design is reasonable, the detection information is comprehensive, and the detection data is fast and accurate, which can effectively ensure the safety of new energy vehicles;

[0003] However, in the existing technology, the lack of an authentication mechanism in the detection system means that anyone can access and operate the detection system, resulting in unauthorized users obtaining sensitive data. Summary of the invention

[0004] The purpose of the present invention is to provide a new energy vehicle detection system based on the Internet of Things, aiming to solve the technical problem in the prior art that the detection system lacks an identity authentication mechanism, which means that anyone can access and operate the detection system, thereby causing unauthorized users to obtain sensitive data.

[0005] To achieve the above-mentioned purpose, the present invention adopts a new energy vehicle detection system based on the Internet of Things, including a data encryption module, a data transmission module, a charging detection module, a battery detection module, an insulation monitoring module, a high-voltage monitoring module, a data backup unit and a cloud platform, the data encryption module includes an access authorization unit and a data acquisition unit, the access authorization unit includes a fingerprint verification end, a face verification end and a password verification end, the data acquisition unit includes an acquisition end, a key generation end, a key management end and an encryption algorithm end, the data encryption module, the data transmission module, the charging detection module, the battery detection module, the insulation monitoring module, the high-voltage monitoring module and the data backup unit are all connected to the cloud platform;

[0006] The access authorization unit is used to verify the fingerprint, face and password information of the staff who use the system for the first time on the day. If the verification is passed, the staff are allowed to enter the system to check various data;

[0007] The charging detection module is used to detect the electrical safety performance of the new energy vehicle during the charging process and generate electrical safety performance detection data;

[0008] The battery detection module is used to monitor the voltage, current and temperature of the battery pack in real time and generate voltage, current and temperature detection data;

[0009] The insulation monitoring module is used to measure the insulation resistance value of the electrical system of the new energy vehicle and generate insulation resistance value detection data;

[0010] The high-voltage monitoring module is used to monitor the insulation performance and withstand voltage performance of the high-voltage electrical system of the new energy vehicle, and generate insulation performance and withstand voltage performance test data;

[0011] The data transmission module is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data, and then transmit it to the data acquisition unit and the cloud platform;

[0012] The data collection unit is used to collect keywords from the received detection information and perform encryption processing;

[0013] The data backup unit is used to back up and store the encrypted information.

[0014] Wherein, the data transmission module includes a wireless communication unit, a signal receiving unit and a signal sending unit, and the wireless communication unit, the signal receiving unit and the signal sending unit are all connected to the cloud platform;

[0015] The signal receiving unit is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data through the wireless communication unit;

[0016] The signal sending unit is used to send the detection information to the data acquisition unit and the cloud platform through the wireless communication unit.

[0017] Wherein, the data backup unit includes a mechanical disk end, a solid state disk end and a flash memory card end, and the mechanical disk end, the solid state disk end and the flash memory card end are all connected to the cloud platform;

[0018] The mechanical disk end, the solid state disk end and the flash memory card end are all used to respectively back up and store the encrypted information.

[0019] The charging detection module includes a comparator identification unit, an input terminal resistance unit, a reset and hold function unit and a power supply unit, and the comparator identification unit, the input terminal resistance unit, the reset and hold function unit and the power supply unit are all connected to the cloud platform;

[0020] The input resistance unit is responsible for receiving analog signals and digital signals and sending them to the comparator identification unit;

[0021] The comparator identification unit is used to compare the analog signal and the digital signal with a preset threshold value. Through the comparison result, the comparator identification unit can identify the type of the charging gun and send a wake-up signal to the reset holding function unit;

[0022] The reset and hold function unit is used to receive a wake-up signal and maintain the current state of the system during system startup or charging; when the system fails or needs to be restarted, the reset and hold function unit can perform a reset operation to restore the system to its initial state;

[0023] The power supply unit provides electric energy to the comparator identification unit, the input terminal resistance unit and the reset holding function unit.

[0024] Wherein, the battery detection module includes a grayscale image acquisition unit, an image processing unit, a battery temperature detection unit and a gas concentration detection unit, and the grayscale image acquisition unit, the image processing unit, the battery temperature detection unit and the gas concentration detection unit are all connected to the cloud platform;

[0025] The battery temperature detection unit is used to monitor the temperature of the battery pack;

[0026] The gas concentration detection unit is used to detect the gas concentration around the battery pack;

[0027] The grayscale image acquisition unit is used to acquire the appearance image and gas concentration of the battery pack that change under the influence of temperature, convert them into grayscale images, and send them to the image processing unit;

[0028] The image processing unit is used to analyze and process the received image.

[0029] Wherein, the insulation monitoring module includes a current measuring unit and a power supply measuring unit, and both the current measuring unit and the power supply measuring unit are connected to the cloud platform;

[0030] The current measuring unit and the power supply measuring unit can calculate the insulation resistance of the electrical system using the leakage current measured by the current measuring unit and the power supply voltage measured by the power supply measuring unit based on the data monitored by each unit.

[0031] Wherein, the high-voltage monitoring module includes an integrated sensor unit and an intelligent algorithm unit, and both the integrated sensor unit and the intelligent algorithm unit are connected to the cloud platform;

[0032] The integrated sensor unit is used to accurately capture the voltage and current changes of the battery pack during the charging and discharging process. The collected data will be converted into electrical signals and transmitted to the intelligent algorithm unit;

[0033] The intelligent algorithm unit is used to receive electrical signals and perform real-time processing and analysis.

[0034] The invention discloses a new energy vehicle detection system based on the Internet of Things, comprising a data encryption module, a data transmission module, a charging detection module, a battery detection module, an insulation monitoring module, a high-voltage monitoring module, a data backup unit and a cloud platform, wherein the data encryption module comprises an access authorization unit and a data acquisition unit, wherein the access authorization unit comprises a fingerprint verification terminal, a face verification terminal and a password verification terminal, wherein the data acquisition unit comprises an acquisition terminal, a key generation terminal, a key management terminal and an encryption algorithm terminal, wherein the data encryption module, the data transmission module, the charging detection module, the battery detection module, the insulation monitoring module, the high-voltage monitoring module and the data backup unit are all connected to the cloud platform, and the design introduces an identity authentication mechanism, so that the system can verify the identity of the user and ensure that only users with appropriate permissions can access protected resources, which fundamentally prevents unauthorized users from accessing and operating the detection system and reduces security risks, and the identity authentication mechanism can detect and prevent the intrusion of malicious users or attackers and reduce the security vulnerabilities existing in the system, thereby enhancing the overall security of the system and effectively solving the technical problem that the lack of an identity authentication mechanism in the detection system means that anyone can access and operate the detection system, thereby causing unauthorized users to obtain sensitive data. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 It is a schematic diagram of the principle of the new energy vehicle detection system based on the Internet of Things of the present invention.

[0037] Figure 2 It is a principle schematic diagram of a data transmission module in the new energy vehicle detection system based on the Internet of Things of the present invention.

[0038] Figure 3 It is a schematic diagram of the principle of the preprocessing unit in the new energy vehicle detection system based on the Internet of Things of the present invention.

[0039] 1-data encryption module, 2-data transmission module, 3-charging detection module, 4-battery detection module, 5-insulation monitoring module, 6-high voltage monitoring module, 7-cloud platform, 8-access authorization unit, 9-data acquisition unit, 10-fingerprint verification terminal, 11-face verification terminal, 12-password verification terminal, 13-acquisition terminal, 14-key generation terminal, 15-key management terminal, 16-encryption algorithm terminal, 17-wireless communication unit, 18-signal receiving unit, 19-signal sending unit, 20-mechanical disk terminal, 21-solid state disk terminal, 22-flash memory card terminal, 23-comparator identification unit Element, 24-input resistance unit, 25-reset hold function unit, 26-power supply unit, 27-grayscale image acquisition unit, 28-image processing unit, 29-battery temperature detection unit, 30-gas concentration detection unit, 31-current measurement unit, 32-power supply measurement unit, 33-integrated sensor unit, 34-intelligent algorithm unit, 35-data display module, 36-data receiving unit, 37-preprocessing unit, 38-visualization unit, 39-update unit, 40-text generation end, 41-graphic generation end, 42-information recording end, 43-data backup unit. DETAILED DESCRIPTION

[0040] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0041] See also Figure 1 to Figure 3 The present invention provides a new energy vehicle detection system based on the Internet of Things, comprising a data encryption module 1, a data transmission module 2, a charging detection module 3, a battery detection module 4, an insulation monitoring module 5, a high-voltage monitoring module 6, a data backup unit 43 and a cloud platform 7, wherein the data encryption module 1 comprises an access authorization unit 8 and a data acquisition unit 9, wherein the access authorization unit 8 comprises a fingerprint verification terminal 10, a face verification terminal 11 and a password verification terminal 12, wherein the data acquisition unit 9 comprises an acquisition terminal 13, a key generation terminal 14, a key management terminal 15 and an encryption algorithm terminal 16, wherein the data encryption module 1, the data transmission module 2, the charging detection module 3, the battery detection module 4, the insulation monitoring module 5, the high-voltage monitoring module 6 and the data backup unit 43 are all connected to the cloud platform 7;

[0042] The access authorization unit 8 is used to verify the fingerprint, face and password information of the staff who use the system for the first time on the day. If the verification is passed, the staff is allowed to enter the system to check various data;

[0043] The charging detection module 3 is used to detect the electrical safety performance of the new energy vehicle during the charging process and generate electrical safety performance detection data;

[0044] The battery detection module 4 is used to monitor the voltage, current and temperature of the battery pack in real time and generate voltage, current and temperature detection data;

[0045] The insulation monitoring module 5 is used to measure the insulation resistance value of the electrical system of the new energy vehicle and generate insulation resistance value detection data;

[0046] The high voltage monitoring module 6 is used to monitor the insulation performance and withstand voltage performance of the high voltage electrical system of the new energy vehicle, and generate insulation performance and withstand voltage performance test data;

[0047] The data transmission module 2 is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data, and then transmit it to the data acquisition unit 9 and the cloud platform 7;

[0048] The data collection unit 9 is used to collect keywords from the received detection information and perform encryption processing;

[0049] The data backup unit 43 is used to back up and store the encrypted information.

[0050] In this embodiment, the access authorization unit 8 of the present design provides an extra layer of security for users, allowing users to have greater trust in the security of the system. This trust is crucial for the promotion and use of new energy vehicle detection systems based on the Internet of Things. At the same time, data is encrypted to prevent data from being stolen.

[0051] Further, the data transmission module 2 includes a wireless communication unit 17, a signal receiving unit 18 and a signal sending unit 19, and the wireless communication unit 17, the signal receiving unit 18 and the signal sending unit 19 are all connected to the cloud platform 7;

[0052] The signal receiving unit 18 is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data through the wireless communication unit 17;

[0053] The signal sending unit 19 is used to send the detection information to the data acquisition unit 9 and the cloud platform 7 through the wireless communication unit 17 .

[0054] In this embodiment, the signal receiving unit 18 is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data through the wireless communication unit 17; the signal sending unit 19 is used to send the detection information to the data acquisition unit 9 and the cloud platform 7 through the wireless communication unit 17.

[0055] Further, the data backup unit 43 includes a mechanical disk end 20, a solid state disk end 21 and a flash memory card end 22, and the mechanical disk end 20, the solid state disk end 21 and the flash memory card end 22 are all connected to the cloud platform 7;

[0056] The mechanical disk end 20, the solid state disk end 21 and the flash memory card end 22 are all used to respectively back up and store the encrypted information.

[0057] In this embodiment, the mechanical disk end 20 can be used to store a large number of data files, and the solid-state disk end 21 adopts flash memory technology, and the reading and writing speed is much faster than the traditional mechanical disk end 20, which can significantly improve the system startup speed, software loading speed and game loading speed, and can be used to store data with a large read volume; and the flash memory card end 22 is small in size and light in weight, which is easy to carry and transmit data, and can be used to store important data.

[0058] Further, the charging detection module 3 includes a comparator identification unit 23, an input terminal resistance unit 24, a reset holding function unit 25 and a power supply unit 26, and the comparator identification unit 23, the input terminal resistance unit 24, the reset holding function unit and the power supply unit 26 are all connected to the cloud platform 7;

[0059] The input resistance unit 24 is responsible for receiving analog signals and digital signals and sending them to the comparator identification unit 23;

[0060] The comparator identification unit 23 is used to compare the analog signal and the digital signal with a preset threshold value. Through the comparison result, the comparator identification unit 23 can identify the type of the charging gun and send a wake-up signal to the reset holding function unit 25;

[0061] The reset and hold function unit 25 is used to receive the wake-up signal and maintain the current state of the system during system startup or charging; when the system fails or needs to be restarted, the reset and hold function unit 25 can perform a reset operation to restore the system to its initial state;

[0062] The power supply unit 26 provides power to the comparator identification unit 23 , the input terminal resistance unit 24 and the reset holding function unit 25 .

[0063] In this embodiment, the input terminal resistance unit 24 is responsible for receiving analog signals and digital signals and sending them to the comparator identification unit 23; the comparator identification unit 23 is used to compare the analog signals and digital signals with preset thresholds. Through the comparison results, the comparator identification unit 23 can identify the type of charging gun and send a wake-up signal to the reset and hold function unit 25; the reset and hold function unit 25 is used to receive the wake-up signal and maintain the current state of the system during system startup or charging; when the system fails or needs to be restarted, the reset and hold function unit 25 can perform a reset operation to restore the system to its initial state; the power supply unit 26 provides power to the comparator identification unit 23, the input terminal resistance unit 24 and the reset and hold function unit 25.

[0064] Further, the battery detection module 4 includes a grayscale image acquisition unit 27, an image processing unit 28, a battery temperature detection unit 29 and a gas concentration detection unit 30, and the grayscale image acquisition unit 27, the image processing unit 28, the battery temperature detection unit 29 and the gas concentration detection unit 30 are all connected to the cloud platform 7;

[0065] The battery temperature detection unit 29 is used to monitor the temperature of the battery pack;

[0066] The gas concentration detection unit 30 is used to detect the gas concentration around the battery pack;

[0067] The grayscale image acquisition unit 27 is used to acquire the appearance image and gas concentration of the battery pack that change due to the influence of temperature, convert it into a grayscale image, and send it to the image processing unit 28;

[0068] The image processing unit 28 is used to analyze and process the received image.

[0069] In this embodiment, the battery temperature detection unit 29 is used to monitor the temperature of the battery pack; the gas concentration detection unit 30 is used to detect the gas concentration around the battery pack; the grayscale image acquisition unit 27 is used to acquire the appearance image and gas concentration of the battery pack that change due to the influence of temperature, convert it into a grayscale image, and send it to the image processing unit 28; the image processing unit 28 is used to analyze and process the received image.

[0070] Furthermore, the insulation monitoring module 5 includes a current measuring unit 31 and a power measuring unit 32, and both the current measuring unit 31 and the power measuring unit 32 are connected to the cloud platform 7;

[0071] The current measuring unit 31 and the power measuring unit 32 can calculate the insulation resistance of the electrical system using the data monitored by each other, the leakage current measured by the current measuring unit 31 and the power supply voltage measured by the power measuring unit 32 .

[0072] In this embodiment, the current measuring unit 31 and the power measuring unit 32 monitor the data respectively, and the insulation resistance of the electrical system can be calculated using the leakage current measured by the current measuring unit 31 and the power supply voltage measured by the power measuring unit 32.

[0073] Furthermore, the high-voltage monitoring module 6 includes an integrated sensor unit 33 and an intelligent algorithm unit 34, and both the integrated sensor unit 33 and the intelligent algorithm unit 34 are connected to the cloud platform 7;

[0074] The integrated sensor unit 33 is used to accurately capture the voltage and current changes of the battery pack during the charging and discharging process. The collected data will be converted into electrical signals and transmitted to the intelligent algorithm unit 34;

[0075] The intelligent algorithm unit 34 is used to receive electrical signals and perform real-time processing and analysis.

[0076] In this embodiment, the integrated sensor unit 33 is used to accurately capture the voltage and current changes of the battery pack during the charging and discharging process, and the collected data will be converted into electrical signals and transmitted to the intelligent algorithm unit 34; the intelligent algorithm unit 34 is used to receive the electrical signals and perform real-time processing and analysis.

[0077] Furthermore, the new energy vehicle detection system based on the Internet of Things also includes a data display module 35, and the data display module 35 includes a data receiving unit 36, a preprocessing unit 37 and a visualization unit 38, and the data receiving unit 36, the preprocessing unit 37 and the visualization unit 38 are all connected to the cloud platform 7.

[0078] The data receiving unit 36 ​​is used to receive the detection information of the electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data and insulation performance and withstand voltage performance detection data transmitted to the cloud platform 7, and send it to the data processing unit;

[0079] The pre-processing unit 37 is used to clean the data, convert it into text and graphics, and then send it to the visualization unit 38;

[0080] The visualization unit 38 is used to display text and graphics to the user.

[0081] In this embodiment, the data receiving unit 36 ​​is used to receive the detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data and insulation performance and withstand voltage performance detection data transmitted to the cloud platform 7, and send it to the data processing unit; the preprocessing unit 37 is used to clean the data, and then convert it into text and graphics, and then send it to the visualization unit 38; the visualization unit 38 is used to display the text and graphics to the user.

[0082] Furthermore, the data processing unit includes a text generation terminal 40, a graphic generation terminal 41 and an information recording terminal 42, and the text generation terminal 40, the graphic generation terminal 41 and the information recording terminal 42 are all connected to the cloud platform 7;

[0083] The text generation end 40 is used to convert the processed data into text descriptions and send them to the information recording end 42 for recording, and also send them to the visualization unit 38;

[0084] The diagram generating terminal 41 is used to convert the processed data into a diagram or a graph, and send it to the information recording terminal 42 for recording, and also send it to the visualization unit 38;

[0085] The information recording terminal 42 is used to record and store the processed data, text description and graphic information.

[0086] In this embodiment, the text generation terminal 40 is used to convert the processed data into a text description, and send it to the information recording terminal 42 for recording, and also send it to the visualization unit 38; the graphic generation terminal 41 is used to convert the processed data into a chart or a graph, and send it to the information recording terminal 42 for recording, and also send it to the visualization unit 38; the information recording terminal 42 is used to record and store the processed data, text description and graphic information.

[0087] Furthermore, the data display module 35 also includes an updating unit 39, and the updating unit 39 is connected to the cloud platform 7;

[0088] The updating unit 39 is responsible for detecting the software and hardware versions of the system to ensure that the system is always in the latest state.

[0089] In this embodiment, when a new version or patch is released for the system, the update unit 39 will automatically download and install these updates to improve the performance and security of the system, including fixing known errors and vulnerabilities, and adding new functions or features.

[0090] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A new energy vehicle detection system based on the Internet of Things, characterized in that: It includes a data encryption module, a data transmission module, a charging detection module, a battery detection module, an insulation monitoring module, a high-voltage monitoring module, a data backup unit and a cloud platform, wherein the data encryption module includes an access authorization unit and a data acquisition unit, the access authorization unit includes a fingerprint verification terminal, a face verification terminal and a password verification terminal, the data acquisition unit includes an acquisition terminal, a key generation terminal, a key management terminal and an encryption algorithm terminal, and the data encryption module, the data transmission module, the charging detection module, the battery detection module, the insulation monitoring module, the high-voltage monitoring module and the data backup unit are all connected to the cloud platform; The access authorization unit is used to verify the fingerprint, face and password information of the staff who use the system for the first time on the day. If the verification is passed, the staff are allowed to enter the system to check various data; The charging detection module is used to detect the electrical safety performance of the new energy vehicle during the charging process and generate electrical safety performance detection data; The battery detection module is used to monitor the voltage, current and temperature of the battery pack in real time and generate voltage, current and temperature detection data; The insulation monitoring module is used to measure the insulation resistance value of the electrical system of the new energy vehicle and generate insulation resistance value detection data; The high-voltage monitoring module is used to monitor the insulation performance and withstand voltage performance of the high-voltage electrical system of the new energy vehicle, and generate insulation performance and withstand voltage performance test data; The data transmission module is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data, and then transmit it to the data acquisition unit and the cloud platform; The data collection unit is used to collect keywords from the received detection information and perform encryption processing; The data backup unit is used to back up and store the encrypted information.

2. The new energy vehicle detection system based on the Internet of Things as claimed in claim 1, characterized in that: The data transmission module includes a wireless communication unit, a signal receiving unit and a signal sending unit, and the wireless communication unit, the signal receiving unit and the signal sending unit are all connected to the cloud platform; The signal receiving unit is used to receive detection information of electrical safety performance detection data, voltage, current, temperature detection data, insulation resistance value detection data, and insulation performance and withstand voltage performance detection data through the wireless communication unit; The signal sending unit is used to send the detection information to the data acquisition unit and the cloud platform through the wireless communication unit.

3. The new energy vehicle detection system based on the Internet of Things as claimed in claim 2, characterized in that: The data backup unit includes a mechanical disk end, a solid state disk end and a flash memory card end, and the mechanical disk end, the solid state disk end and the flash memory card end are all connected to the cloud platform; The mechanical disk end, the solid state disk end and the flash memory card end are all used to respectively back up and store the encrypted information.

4. The new energy vehicle detection system based on the Internet of Things as claimed in claim 3 is characterized in that: The charging detection module includes a comparator identification unit, an input terminal resistance unit, a reset and hold function unit and a power supply unit, and the comparator identification unit, the input terminal resistance unit, the reset and hold function unit and the power supply unit are all connected to the cloud platform; The input resistance unit is responsible for receiving analog signals and digital signals and sending them to the comparator identification unit; The comparator identification unit is used to compare the analog signal and the digital signal with a preset threshold value. Through the comparison result, the comparator identification unit can identify the type of the charging gun and send a wake-up signal to the reset holding function unit; The reset hold function unit is used to receive a wake-up signal and maintain the current state of the system during system startup or charging; When the system fails or needs to be restarted, the reset and hold function unit can perform a reset operation to restore the system to its initial state; The power supply unit provides electric energy to the comparator identification unit, the input terminal resistance unit and the reset holding function unit.

5. The new energy vehicle detection system based on the Internet of Things as claimed in claim 4, characterized in that: The battery detection module includes a grayscale image acquisition unit, an image processing unit, a battery temperature detection unit and a gas concentration detection unit, and the grayscale image acquisition unit, the image processing unit, the battery temperature detection unit and the gas concentration detection unit are all connected to the cloud platform; The battery temperature detection unit is used to monitor the temperature of the battery pack; The gas concentration detection unit is used to detect the gas concentration around the battery pack; The grayscale image acquisition unit is used to acquire the appearance image and gas concentration of the battery pack that change under the influence of temperature, convert them into grayscale images, and send them to the image processing unit; The image processing unit is used to analyze and process the received image.

6. The new energy vehicle detection system based on the Internet of Things as claimed in claim 5, characterized in that: The insulation monitoring module includes a current measuring unit and a power supply measuring unit, and both the current measuring unit and the power supply measuring unit are connected to the cloud platform; The current measuring unit and the power supply measuring unit can calculate the insulation resistance of the electrical system using the leakage current measured by the current measuring unit and the power supply voltage measured by the power supply measuring unit based on the data monitored by each unit.

7. The new energy vehicle detection system based on the Internet of Things as claimed in claim 6, characterized in that: The high-voltage monitoring module includes an integrated sensor unit and an intelligent algorithm unit, and both the integrated sensor unit and the intelligent algorithm unit are connected to the cloud platform; The integrated sensor unit is used to accurately capture the voltage and current changes of the battery pack during the charging and discharging process. The collected data will be converted into electrical signals and transmitted to the intelligent algorithm unit; The intelligent algorithm unit is used to receive electrical signals and perform real-time processing and analysis.

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