Electric vehicle power battery detection equipment traceability device based on parameter simulation

Abstract

The utility model relates to the technical field of traceability of electric vehicle power battery detection equipment, and specifically provides a parameter simulation-based traceability device for electric vehicle power battery detection equipment. The traceability device comprises traceability equipment and a charging female seat, the traceability equipment comprises a standard voltage source and a control switch, the standard voltage source is electrically connected with the charging female seat through the control switch, the charging female seat is electrically connected with detection equipment, and the detection equipment refers to electric vehicle power battery detection equipment; the standard voltage source is used for simulating the ideal voltage of the power battery of the electric vehicle in the traceability configuration stage; and the detection equipment is used for acquiring the ideal voltage of the power battery of the electric vehicle and performing traceability configuration based on the ideal voltage of the power battery of the electric vehicle and the traceability equipment. According to the utility model, the ideal voltage of the power battery of the electric vehicle is simulated through the standard voltage source, so that the matched connection of the detection equipment and the traceability equipment is realized, and the technical problem that the traceability device cannot simulate the relevant parameters of the power battery of the electric vehicle is solved.

Description

Technical Field

[0001] This utility model belongs to the field of traceability technology for electric vehicle power battery testing equipment, specifically a traceability device for electric vehicle power battery testing equipment based on parameter simulation. Background Technology

[0002] Against the backdrop of profound global energy structure transformation and rising calls for environmental protection, electric vehicles, with their clean and efficient advantages, have become a pioneering force in green development. As the "heart" of an electric vehicle, the performance of the power battery directly determines the vehicle's range, safety performance, and lifespan, making it a crucial link in the development of the electric vehicle industry.

[0003] As the number of electric vehicles continues to rise and their service life increases, the performance of power batteries faces severe challenges. Issues such as reduced driving range, inadequate after-sales service, and warranty disputes have become bottlenecks restricting the further development of electric vehicles. While the industry has proposed numerous power battery testing and maintenance solutions to effectively address these challenges, new problems continue to arise.

[0004] Currently, although domestic electric vehicle power battery manufacturers and various testing institutions have corresponding electric vehicle power battery testing equipment and methods, the lack of unified standards for the testing items, methods and technical parameters used by existing electric vehicle power battery testing equipment leads to significant differences in testing data between different electric vehicle power battery testing equipment, and the testing data is seriously out of sync with the actual application performance of the battery.

[0005] To address the significant disconnect between existing testing data and the actual performance of batteries in practical applications, some have proposed technologies for tracing and verifying existing electric vehicle power battery testing equipment. However, how to simulate the relevant parameters of electric vehicle power batteries using the traceability device has become a major obstacle to further development of such devices, preventing the electric vehicle power battery testing equipment from being properly matched and connected with the traceability device. Utility Model Content

[0006] In view of the technical problem described in the background art, when tracing and verifying electric vehicle power battery testing equipment, there is a technical problem that the traceability device cannot simulate the relevant parameters of electric vehicle power battery. In order to address this technical problem, this utility model proposes a traceability device for electric vehicle power battery testing equipment based on parameter simulation.

[0007] This invention sets up a standard voltage source in the traceability device to simulate the ideal voltage of the electric vehicle power battery, thereby simulating the relevant parameters of the electric vehicle power battery. The testing device obtains the ideal voltage of the electric vehicle power battery and performs traceability configuration based on the ideal voltage of the electric vehicle power battery and the traceability device. This solves the technical problem that the traceability device cannot simulate the relevant parameters of the electric vehicle power battery and realizes the matching connection between the electric vehicle power battery testing device and the traceability device.

[0008] To solve the above-mentioned technical problems, the present invention proposes the following technical solution:

[0009] This utility model is a traceability device for electric vehicle power battery testing equipment based on parameter simulation, including traceability equipment and charging dock. The traceability equipment includes a standard voltage source and a control switch. The standard voltage source is electrically connected to the charging dock through the control switch. The charging dock is electrically connected to the testing equipment. The testing equipment refers to electric vehicle power battery testing equipment.

[0010] The standard voltage source is used to simulate the ideal voltage of the electric vehicle's power battery during the traceability configuration phase.

[0011] The testing equipment is used to obtain the ideal voltage of the electric vehicle's power battery and to configure the traceability system based on the ideal voltage of the electric vehicle's power battery and the traceability equipment.

[0012] Furthermore, the traceability device also includes a load module, which is electrically connected to the detection device via a control switch;

[0013] The load module is used to consume the electrical energy released by the detection equipment during the traceability process.

[0014] Further specifying, the control switch includes a first switch C1, a second switch C2, and a third switch C3; one end of the standard voltage source is electrically connected to the charging socket via the third switch C3 and the first switch C1 in sequence; the other end of the standard voltage source is electrically connected to the charging socket via the second switch C2.

[0015] One end of the load module is electrically connected to the detection device via a first switch C1; the other end of the load module is electrically connected to the detection device via a second switch C2.

[0016] Furthermore, the traceability device also includes a multi-array sensor and a data acquisition module. The multi-array sensor is electrically connected to the load module via a control switch, the data acquisition module is communicatively connected to the multi-array sensor, and the data acquisition module is communicatively connected to the detection device.

[0017] Further specifying, the multi-array sensor includes a voltage measurement module, which is used to detect the voltage data of the traceability device and send the voltage data to the data acquisition module.

[0018] Furthermore, the multi-array sensor also includes a current and temperature measurement module, which is used to detect the current and temperature data of the traceability device and send the current and temperature data to the data acquisition module.

[0019] Furthermore, the multi-array sensor also includes a power measurement module, which is used to collect power consumption data of the load module during the tracing process and send the power consumption data to the data acquisition module.

[0020] Furthermore, the traceability device also includes a control module and a communication module, wherein the control module is communicatively connected to the data acquisition module, and the communication module is communicatively connected to the control module.

[0021] Furthermore, the traceability device also includes a power module, which is electrically connected to the control module. The power module supplies power to the control module and, through the control module, supplies power to the data acquisition module.

[0022] Furthermore, the load module is connected to a discharge circuit.

[0023] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0024] 1. This utility model relates to a traceability device for electric vehicle power battery testing equipment based on parameter simulation. It sets a standard voltage source in the traceability device to simulate the ideal voltage of the electric vehicle power battery, thereby simulating the relevant parameters of the electric vehicle power battery. The testing equipment obtains the ideal voltage of the electric vehicle power battery and performs traceability configuration based on the ideal voltage of the electric vehicle power battery and the traceability device. This solves the technical problem that the traceability device cannot simulate the relevant parameters of the electric vehicle power battery, thereby realizing the matching connection between the testing equipment and the traceability device.

[0025] 2. In this utility model, the control switches include a first switch C1, a second switch C2, and a third switch C3. The matching and traceability process is controlled by the first switch C1, the second switch C2, and the third switch C3. Specifically, in the traceability configuration stage, the first switch C1, the second switch C2, and the third switch C3 are all closed for the data acquisition module to collect the ideal voltage of the electric vehicle's power battery. In the traceability stage, the first switch C1 and the second switch C2 are used for the multi-array sensor to collect relevant parameters in the traceability stage. The traceability configuration mode and the traceability mode are switched by the first switch C1, the second switch C2, and the third switch C3. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the traceability device for electric vehicle power battery testing equipment based on parameter simulation according to this utility model. Detailed Implementation

[0027] The technical solution of this utility model will be further explained and described below with reference to the accompanying drawings and embodiments, but this utility model is not limited to the embodiments described below.

[0028] See Figure 1 This utility model discloses a traceability device for electric vehicle power battery testing equipment based on parameter simulation. It includes a traceability device and a charging dock. The traceability device includes a standard voltage source and a control switch. The standard voltage source is electrically connected to the charging dock via the control switch, and the charging dock is electrically connected to the testing equipment. The testing equipment refers to an electric vehicle power battery testing device. During the traceability configuration phase, the standard voltage source is used to simulate the ideal voltage of the electric vehicle power battery. The testing equipment is used to acquire the ideal voltage of the electric vehicle power battery and perform traceability configuration based on this ideal voltage. Specifically, the testing equipment compares the ideal voltage of the electric vehicle power battery with the voltage parameters (set values) in the communication message. If the error range is ≤5%, and the voltage is greater than the minimum output voltage of the electric vehicle power battery testing device but less than the maximum output voltage, the traceability configuration between the traceability device and the testing device is complete.

[0029] In this invention, the traceability device also includes a load module, which is electrically connected to the detection device via a control switch. The load module is used to consume the electrical energy released by the detection device during the traceability process, that is, the detection device charges the load module, and the load module consumes the electrical energy released by the detection device during the traceability process.

[0030] In this invention, the control switches include a first switch C1, a second switch C2, and a third switch C3. One end of the standard voltage source is electrically connected to the charging socket via the third switch C3 and the first switch C1 in sequence; the other end of the standard voltage source is electrically connected to the charging socket via the second switch C2. One end of the load module is electrically connected to the detection device via the first switch C1; the other end of the load module is electrically connected to the detection device via the second switch C2. During the traceability configuration phase, the first switch C1, the second switch C2, and the third switch C3 are all closed, connecting the standard voltage source to the charging socket. After the traceability configuration is completed, the first switch C1 and the second switch C2 are closed, and the third switch C3 is open, connecting the load module to the detection device, which then charges the load module.

[0031] In this invention, the traceability device also includes a multi-array sensor and a data acquisition module. The multi-array sensor is electrically connected to the load module via a control switch, and the data acquisition module is communicatively connected to both the multi-array sensor and the detection equipment. Specifically, the multi-array sensor is used to collect relevant parameters of the traceability device during the traceability process (power consumption data, voltage data, current data, and temperature data) and send these parameters to the data acquisition module; the data acquisition module is used to receive this data.

[0032] In this invention, the multi-array sensor includes a voltage measurement module, a current & temperature measurement module, and a power measurement module. The voltage measurement module is used to detect the voltage data of the traceability device and send the voltage data to the data acquisition module. The current & temperature measurement module is used to detect the current data and temperature data of the traceability device and send the current data and temperature data to the data acquisition module. The power measurement module is used to collect the power consumption data of the load module during the traceability process and send the power consumption data to the data acquisition module.

[0033] In this invention, the traceability device further includes a control module and a communication module. The control module is communicatively connected to the data acquisition module, and the communication module is communicatively connected to the control module. The control module calculates data related to the traceability item (voltage data, current data, temperature data, and power data), uses the calculation results as standard data, and compares them with the data detected by the electric vehicle power battery testing equipment. The pass / fail status of the electric vehicle power battery testing equipment is determined by the comparison results. The communication module uses CAN / Bluetooth / WIFI and other methods for data transmission.

[0034] In this utility model, the control module is an ESP32-S3-N16R8 control module manufactured by Espressif Systems Co., Ltd., and the control software loaded on it is also known to those skilled in the art. Therefore, this control module is a technology known to those skilled in the art.

[0035] In this invention, the traceability device also includes a power supply module, which is electrically connected to the control module. The power supply module supplies power to the control module and, in turn, supplies power to the data acquisition module through the control module. The power supply module includes a power supply unit and a built-in battery. The built-in battery serves as the main power source, and when the internal battery's power is insufficient, the power supply module acts as an external power source to supplement it. Both the power supply module and the built-in battery are equipped with AC-DC rectifier units and Buck-Boost voltage regulator modules to achieve adaptive adjustment of the input voltage.

[0036] Preferably, in this invention, the load module is connected to a discharge circuit.

[0037] In this invention, an OBD interface is connected to the control module. The OBD interface is a reserved port, and the control module obtains data from other external devices through the OBD interface.

[0038] In this invention, a second detection point R2 is provided on the traceability device, and the second detection point R2 is located on the connection line between the control module and the electric vehicle power battery testing equipment.

[0039] A resistor R1 is installed on the charging socket, and the resistor R1 is connected to the first test point on the electric vehicle power battery testing equipment.

[0040] The electric vehicle power battery testing equipment in this utility model is installed on an electric vehicle charging station and belongs to conventional technology known to those skilled in the art.

[0041] The electric vehicle battery testing equipment used in this invention is a Mode 4 fast-charging DC charging electric vehicle battery testing equipment.

[0042] This utility model relates to a traceability device for electric vehicle power battery testing equipment based on parameter simulation. Its working principle is as follows: After the traceability device is powered on, relevant parameters of the electric vehicle power battery are set for the control module according to traceability requirements. The control module generates a protocol-compatible CAN command frame based on these parameters and interacts with the electric vehicle power battery testing equipment via a communication module. Specifically, during the traceability configuration phase, all switches C1, C2, and C3 are closed. A standard voltage source simulates the ideal voltage of the electric vehicle power battery. The voltage measurement module detects this ideal voltage and sends it to the data acquisition module. The data acquisition module receives the ideal voltage and sends it to the electric vehicle power battery testing equipment. The testing equipment receives the ideal voltage and compares it with the voltage parameters in the communication message. If the error range is ≤5% and the voltage is greater than the minimum output voltage of the testing equipment but less than its maximum output voltage, the traceability device and the testing equipment complete the traceability configuration.

[0043] After the traceability configuration is completed, the third switch C3 is disconnected, and the traceability phase begins. The detection equipment charges the load module, and the load module consumes the electrical energy released by the detection equipment during the traceability process. The voltage measurement module detects the voltage data of the traceability device during the traceability process and sends it to the data acquisition module. The current and temperature measurement module detects the current and temperature data of the traceability device during the traceability process and sends this data to the data acquisition module. The power measurement module detects the power consumption data of the load module during the traceability process and sends the consumed power to the data acquisition module. The data acquisition module receives the voltage, current, temperature, and power consumption data and sends them to the control module. The control module calculates the data related to the traceability project (voltage, current, temperature, and power consumption data), uses the calculation results as standard data, compares them with the data detected by the detection equipment, and determines the qualification of the detection equipment by comparing the results. The control module sends the qualification of the detection equipment to the display module, which displays the result (the display module is connected to the control module).

[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An apparatus for tracing the origin of a battery testing device for electric vehicles based on parameter simulation, characterized in that, The tracing device comprises a standard voltage source and a control switch, the standard voltage source is electrically connected with the charging base through the control switch, the charging base is electrically connected with the detection device, and the detection device refers to an electric vehicle power battery detection device. The standard voltage source is used for simulating an ideal voltage of the electric vehicle power battery in a tracing configuration stage. The detection device is used for acquiring the ideal voltage of the electric vehicle power battery and performing tracing configuration with the tracing device based on the ideal voltage of the electric vehicle power battery.

2. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 1, wherein, The tracing device further comprises a load module, and the load module is electrically connected with the detection device through the control switch. The load module is used for consuming the electric energy released by the detection device in the tracing process.

3. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 2, wherein, The control switch comprises a first switch C1, a second switch C2 and a third switch C3, one end of the standard voltage source is electrically connected with the charging base through the third switch C3 and the first switch C1 in sequence, and the other end of the standard voltage source is electrically connected with the charging base through the second switch C2. One end of the load module is electrically connected with the detection device through the first switch C1, and the other end of the load module is electrically connected with the detection device through the second switch C2.

4. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 2, wherein, The tracing device further comprises a multi-array sensor and a data acquisition module, the multi-array sensor is electrically connected with the load module through the control switch, the data acquisition module is in communication connection with the multi-array sensor, and the data acquisition module is in communication connection with the detection device.

5. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 4, wherein, The multi-array sensor comprises a voltage measurement module, the voltage measurement module is used for detecting voltage data of the tracing device and sending the voltage data to the data acquisition module.

6. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 4, wherein, The multi-array sensor further comprises a current & temperature measurement module, the current & temperature measurement module is used for detecting current data and temperature data of the tracing device and sending the current data and the temperature data to the data acquisition module.

7. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 4, wherein, The multi-array sensor further comprises an electric quantity measurement module, the electric quantity measurement module is used for collecting electric quantity data consumed by the load module in the tracing process and sending the electric quantity data to the data acquisition module.

8. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of any one of claims 4-7, wherein, The tracing device further comprises a control module and a communication module, the control module is in communication connection with the data acquisition module, and the communication module is in communication connection with the control module.

9. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 8, wherein, The tracing device further comprises a power module, the power module is electrically connected with the control module, the power module supplies power for the control module, and supplies power for the data acquisition module through the control module.

10. The parametric simulation based electric vehicle power battery testing equipment traceability apparatus of claim 2, wherein, The load module is connected with a discharge circuit.

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