System and method for testing of power supply equipment

Abstract

The present disclosure relates to the field of charging and power supply equipment, and more particularly, to a charging and power supply equipment inspection system and method. The system comprises a control module and a power supply module, the control module is connected with the power supply module and the charging and power supply equipment respectively, the control module is used to send control signals to the power supply module and the charging and power supply equipment to control the charging and power supply equipment to run in a first working condition, and collect running data of the charging and power supply equipment in the first working condition, the first working condition being any working condition of the charging and power supply equipment in a vehicle; the power supply module is connected with the charging and power supply equipment, and the power supply module is used to supply power for the charging and power supply equipment.

Description

Technical Field

[0001] This disclosure relates to the field of charging and distribution equipment, and more specifically, to a testing system and method for charging and distribution equipment. Background Technology

[0002] With the commercialization of electric vehicles, the charging and power distribution system has become one of the important components of electric vehicles. The charging and power distribution system generally includes DC-DC equipment and OBC (On-Board Charger) equipment. The DC-DC equipment in the vehicle generally reduces the current output from the power battery and then delivers it to low-voltage load equipment or the battery, while the OBC is used for AC charging and discharging of the vehicle.

[0003] Currently, during factory inspection of charging and power distribution assemblies, the process typically involves monitoring a host computer to control the power supply equipment and then powering on the charging and power distribution devices before testing and collecting data. However, this testing method is relatively fixed and singular, failing to fully simulate the various operating conditions of the charging and power distribution devices during vehicle operation. This results in data that does not reflect reality, leading to low testing effectiveness. Summary of the Invention

[0004] One objective of this disclosure is to address the problem of low inspection efficiency for charging and distribution equipment.

[0005] According to a first aspect of this disclosure, a testing system for charging and distribution equipment is provided, comprising: a control module and a power supply module; the control module is connected to the power supply module and the charging and distribution equipment respectively, and the control module is used to send control signals to the power supply module and the charging and distribution equipment to control the charging and distribution equipment to operate in a first working condition, and to collect operating data of the charging and distribution equipment under the first working condition, wherein the first working condition is any working condition of the charging and distribution equipment in a vehicle; the power supply module is connected to the charging and distribution equipment, and the power supply module is used to supply power to the charging and distribution equipment.

[0006] Optionally, the control module is further configured to: collect the operating data of the power module and determine whether the operating data of the power module matches the operating data of the charging and distribution equipment; and determine that the charging and distribution equipment is faulty if the operating data of the power module does not match the operating data of the charging and distribution equipment.

[0007] Optionally, the system further includes: a human-machine interface module, which is connected to the control module and is used to configure the detection command of the first working condition and send it to the control module so that the control module controls the charging and distribution equipment to operate in the first working condition; the control module is also used to send the operating data of the charging and distribution equipment and the operating data of the power module to the human-machine interface module.

[0008] Optionally, the system includes multiple control modules, each connected to a charging and distribution device. The control module is also used to synchronously send the identity information of the control module, the operating data of the charging and distribution device, and the operating data of the power module to the human-machine interface module.

[0009] Optionally, the charging and distribution equipment includes DC-DC devices and / or OBC devices.

[0010] According to a second aspect of this disclosure, a method for inspecting a charging and distribution device is provided, comprising: receiving a detection command for a first operating condition, wherein the first operating condition is any operating condition of the charging and distribution device in a vehicle; controlling the charging and distribution device to operate in the first operating condition according to the detection command for the first operating condition; and collecting operating data of the charging and distribution device under the first operating condition.

[0011] Optionally, controlling the charging and distribution equipment to operate in the first operating condition according to the detection command of the first operating condition includes: outputting control signals to the power supply equipment and the charging and distribution equipment respectively according to the detection command of the first operating condition, so as to control the charging and distribution equipment to operate in the first operating condition.

[0012] Optionally, after collecting the operating data of the charging and distribution equipment, the method further includes: collecting the operating data of the power supply equipment; and determining that the charging and distribution equipment is faulty if the operating data of the power supply equipment does not match the operating data of the charging and distribution equipment.

[0013] Optionally, after collecting the operating data of the charging and distribution equipment, the method further includes: sending the identity information and the operating data to a human-machine interface, so that the human-machine interface can determine the charging and distribution equipment corresponding to the operating data through the identity information.

[0014] Optionally, the charging and distribution equipment includes DC-DC devices and / or OBC devices.

[0015] One technical advantage of this disclosure is that it provides a testing system for charging and distribution equipment, including a control module and a power module. The power module is connected to the charging and distribution equipment and is used to supply power to it. The control module is connected to the power module and is used to send control signals to the charging and distribution equipment under test, causing it to operate under any operating condition in the vehicle, and then collecting the operating data of the equipment. In this way, the system can send control signals to the charging and distribution equipment through the control module, making it operate according to the actual operating conditions in the vehicle, thereby collecting operating data that conforms to the actual operating conditions and improving the testing effect of the charging and distribution equipment.

[0016] Other features and advantages of the embodiments of this disclosure will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings, which form part of this specification, illustrate embodiments of the present disclosure and, together with the specification, serve to explain the principles of the embodiments of the present disclosure.

[0018] Figure 1 This is a structural block diagram of a testing system for charging and distribution equipment according to one embodiment;

[0019] Figure 2 This is a flowchart of a testing method for charging and distribution equipment according to one embodiment; Detailed Implementation

[0020] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0021] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0022] Technologies and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such technologies and equipment should be considered part of the specification.

[0023] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0025] This application discloses an inspection system 100 for charging and distribution equipment, such as... Figure 1 As shown, the device includes a control module 101 and a power module 102. The control module is connected to the power module and the charging and distribution equipment, respectively. The control module is used to send control signals to the power module and the charging and distribution equipment to control the charging and distribution equipment to operate in a first working condition and to collect the operating data of the charging and distribution equipment under the first working condition. The first working condition is any working condition of the charging and distribution equipment in the vehicle. The power module is connected to the charging and distribution equipment and is used to supply power to the charging and distribution equipment.

[0026] In one example of this embodiment, the control module and the power module are connected, specifically via a CAN bus. The control module can send control signals to the power module through this connection to control the power output. Furthermore, the control module is also connected to charging and distribution equipment, for example, via a CAN bus. The charging and distribution equipment can be a charging and distribution assembly in the vehicle, specifically including a DC-DC converter and / or an OBC (On-Board Charger). The control module can send control signals to the charging and distribution equipment through this connection, such as start signals, output limit signals, operating mode signals, switching frequency signals, or control signals specific to the resonant cavity or switching transistor. Based on these control signals, the control module controls the charging and distribution equipment to operate under simulated actual vehicle conditions. Specific operating conditions of the charging and distribution equipment can include DC-DC step-down operation, OBC AC charging operation, OBC AC discharging operation, and even a combined operation of DC-DC and OBC operating simultaneously. After controlling the charging and distribution equipment to operate under the first operating condition, the control module can also collect operating data of the charging and distribution equipment under the first operating condition and use this data to verify the performance of the tested charging and distribution equipment.

[0027] In one example of this embodiment, the system also includes a power module, which is connected to the charging and distribution equipment. The power module supplies power to the charging and distribution equipment according to the control signals from the control module, enabling it to enter the corresponding operating conditions for data collection.

[0028] In this embodiment, the control module, the power module, and the charging and distribution equipment under test can have a one-to-one correspondence.

[0029] This example provides a testing system for charging and distribution equipment, including a control module and a power supply module. The power supply module is connected to the charging and distribution equipment and supplies power to it. The control module is connected to the power supply module and sends control signals to the charging and distribution equipment under test, causing it to operate under any operating condition within the vehicle, and then collecting its operating data. In this way, the system can send control signals to the charging and distribution equipment through the control module, causing it to operate according to the actual operating conditions within the vehicle, thereby collecting operating data that conforms to the actual operating conditions and improving the testing effectiveness of the charging and distribution equipment.

[0030] In one example of this embodiment, the control module is further configured to: collect the operating data of the power module and determine whether the operating data of the power module matches the operating data of the charging and distribution equipment; and determine that the charging and distribution equipment is faulty if the operating data of the power module does not match the operating data of the charging and distribution equipment.

[0031] In one example, the control module can also collect operating data from the power supply module. This data may include the output voltage and current of the power supply module, etc. The operating data of the charging and distribution equipment may include the output voltage and current of the DC-DC converter and the output voltage and current of the OBC, etc. Since the power supply module provides power to the charging and distribution equipment under its first operating condition, there is a corresponding matching relationship between the power supply module's operating data and the charging and distribution equipment's operating data. The control module can determine whether the operating data of the power supply module and the charging and distribution equipment match based on this relationship. If there is a mismatch, a fault can be identified in the charging and distribution equipment under test. In this case, the connection between the power supply module and the charging and distribution equipment can be disconnected, and both can be stopped to prevent damage to the equipment or system and improve the safety of the equipment and system.

[0032] In one example of this embodiment, the system further includes: a human-machine interface module, which is connected to the control module and is used to configure the detection command of the first working condition and send it to the control module so that the control module controls the charging and distribution equipment to operate in the first working condition; the control module is also used to send the operating data of the charging and distribution equipment and the operating data of the power module to the human-machine interface module.

[0033] In one example, the HMI (Human Machine Interface) module can connect to the control module. Inspectors can pre-configure corresponding operating condition detection commands through the HMI and send them to the control module. Specific first operating condition detection commands may include buck commands, OBC charging commands, OBC discharging commands, or more specific commands such as charging / discharging at a specific power or mode. After configuring the first operating condition detection command, it can be sent to the control module, allowing the control module to control the power module and charging / distribution equipment based on the command, ensuring they operate according to the first operating condition. In this example, after collecting the operating data from the charging / distribution equipment and power module, the control module can also send it to the HMI module so that inspectors can understand the relevant data or inspection results.

[0034] In one example of this embodiment, the system includes multiple control modules, each connected to a charging and distribution device. The control module is also used to synchronously send the identity information of the control module, the operating data of the charging and distribution device, and the operating data of the power module to the human-machine interface module.

[0035] In one example, the system may include multiple independent control modules to simultaneously monitor multiple charging and distribution devices. Each control module is connected to a specific charging and distribution device and collects operational data. After collecting operational data from both the charging and distribution devices and the power module, the control module can send its own identification information along with the corresponding operational data to a human-machine interface (HMI) module. This allows the HMI module to determine which of the multiple charging and distribution devices the operational data corresponds to.

[0036] In one example, the system can also have multiple power modules, with each power module corresponding to a control module to supply power to each charging and distribution device.

[0037] In this example, the system can also be configured with multiple control modules to simultaneously detect multiple charging and distribution devices, thereby improving the detection efficiency of the charging and distribution devices. This solves the problem in existing technologies that can only detect one charging and distribution device at a time.

[0038] This application also discloses a method for inspecting charging and distribution equipment, which can be applied to the control module of a charging and distribution equipment inspection system. The method includes steps S11-S13. Figure 1 As shown:

[0039] Step S11: Receive the detection command for the first working condition, where the first working condition is any working condition of the charging and distribution equipment in the vehicle.

[0040] In one example, the control module can receive a detection command for a first operating condition, which can be configured and issued by the HMI. In this example, the detection command for the first operating condition may include a buck command, an OBC charging command, an OBC discharging command, or more specific commands such as starting, charging, discharging, or stopping at a specific power and mode.

[0041] Step S12: Control the charging and distribution equipment to operate in the first working condition according to the detection command of the first working condition.

[0042] In one example of this embodiment, controlling the charging and distribution equipment to operate in the first operating condition according to the detection command of the first operating condition includes: outputting control signals to the power supply equipment and the charging and distribution equipment respectively according to the detection command of the first operating condition, so as to control the charging and distribution equipment to operate in the first operating condition.

[0043] In one example, after receiving a detection command for the first operating condition, the control module can control the charging and distribution equipment to operate and perform detection under that condition. For instance, when the first operating condition is a step-down condition, the DC-DC converter in the charging and distribution equipment can be controlled to operate. A control signal is output to the power supply, which can include the power supply's output power, enabling it to match the output power of the charging and distribution equipment. Simultaneously, control signals can be sent to the DC-DC converter, such as a DC-DC start signal, a target output power signal, or a switching frequency signal, etc., to simulate the step-down condition in the vehicle. Similarly, when the first operating condition is an OBC charging or discharging condition, the OBC converter in the charging and distribution equipment can be controlled to operate. Control signals are sent to the OBC converter, such as an OBC start signal, a target output power signal for the DC-DC converter, or a specific switching frequency signal for the switching devices in the device, etc.

[0044] Step S13: Collect the operating data of the charging and distribution equipment under the first operating condition.

[0045] In this example, a method for inspecting charging and distribution equipment is provided. In this way, the charging and distribution equipment can be controlled to operate under specific conditions based on the detection commands of the operating conditions in the vehicle, thereby collecting operating data that conforms to the actual operating conditions and improving the inspection effect of the charging and distribution equipment.

[0046] In one example of this embodiment, after collecting the operating data of the charging and distribution equipment, the method further includes: collecting the operating data of the power supply equipment; and determining a fault in the charging and distribution equipment if the operating data of the power supply equipment does not match the operating data of the charging and distribution equipment.

[0047] In one example, operational data from the power supply equipment can also be collected. This data may include the output voltage and current of the power supply equipment. Similarly, operational data from the charging / distribution equipment may include the output voltage and current of the DC-DC converter and the output voltage and current of the OBC (On-Board Charger). Since the power supply equipment provides power to the charging / distribution equipment during its first operating condition, there is a corresponding matching relationship between their operational data. The control module can determine whether the operational data of the power supply equipment and the charging / distribution equipment match based on this relationship. If there is a mismatch, a fault in the charging / distribution equipment under test can be identified. In this case, the connection between the power supply equipment and the charging / distribution equipment can be disconnected, and both can be shut down to prevent equipment or system damage and improve equipment and system safety.

[0048] In one example of this embodiment, after collecting the operating data of the charging and distribution equipment, the method further includes: sending the identity information and the operating data to the human-machine interface, so that the human-machine interface can determine the charging and distribution equipment corresponding to the operating data through the identity information.

[0049] In one example, when sending operational data to the HMI, since an HMI may be checking multiple charging and distribution devices simultaneously, in order to facilitate determining which charging and distribution device the operational data corresponds to, after collecting the operational data of the charging and distribution devices and the power module, the identity information of the control module itself or the identity information of the charging and distribution devices can be sent to the HMI along with the corresponding operational data, so that the HMI can determine which of the multiple charging and distribution devices the operational data corresponds to.

[0050] The various embodiments in this disclosure are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the device and apparatus embodiments are basically similar to the method embodiments, so the descriptions are relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0051] The foregoing has described specific embodiments of this disclosure. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than that shown in the embodiments and may still achieve the desired results. Furthermore, the processes depicted in the drawings do not necessarily require the specific or sequential order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0052] Embodiments of this disclosure may be systems, methods, and / or computer program products. A computer program product may include a computer-readable storage medium having computer-readable program instructions loaded thereon for causing a processor to implement various aspects of the embodiments of this disclosure.

[0053] Computer-readable storage media can be tangible devices capable of holding and storing instructions for use by an instruction execution device. Computer-readable storage media can be, for example—but not limited to—electrical storage devices, magnetic storage devices, optical storage devices, electromagnetic storage devices, semiconductor storage devices, or any suitable combination thereof. More specific examples (a non-exhaustive list) of computer-readable storage media include: portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), static random access memory (SRAM), portable compact disc read-only memory (CD-ROM), digital multifunction disc (DVD), memory sticks, floppy disks, mechanical encoding devices, such as punch cards or recessed protrusions storing instructions thereon, and any suitable combination thereof. The computer-readable storage media used herein are not to be construed as transient signals themselves, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (e.g., light pulses through fiber optic cables), or electrical signals transmitted through wires.

[0054] The computer-readable program instructions described herein can be downloaded from computer-readable storage media to various computing / processing devices, or downloaded via a network, such as the Internet, local area network, wide area network, and / or wireless network, to an external computer or external storage device. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers, and / or edge servers. A network adapter card or network interface in each computing / processing device receives the computer-readable program instructions from the network and forwards them to the computer-readable storage media in the respective computing / processing device.

[0055] Computer program instructions used to perform the operations of embodiments of this disclosure may be assembly instructions, instruction set architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages, including object-oriented programming languages ​​such as Smalltalk, C++, etc., and conventional procedural programming languages ​​such as the "C" language or similar programming languages. The computer-readable program instructions may execute entirely on a user's computer, partially on a user's computer, as a standalone software package, partially on a user's computer and partially on a remote computer, or entirely on a remote computer or server. In cases involving a remote computer, the remote computer may be connected to the user's computer via any type of network—including a local area network (LAN) or a wide area network (WAN)—or may be connected to an external computer (e.g., via the Internet using an Internet service provider). In some embodiments, electronic circuitry, such as programmable logic circuitry, field-programmable gate arrays (FPGAs), or programmable logic arrays (PLAs), is personalized by utilizing state information from the computer-readable program instructions. This electronic circuitry can execute the computer-readable program instructions to implement various aspects of embodiments of this disclosure.

[0056] Various aspects of embodiments of this disclosure are described herein with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this disclosure. It should be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer-readable program instructions.

[0057] These computer-readable program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus to produce a machine such that, when executed by the processor of the computer or other programmable data processing apparatus, they create means for implementing the functions / actions specified in one or more blocks of the flowchart and / or block diagram. These computer-readable program instructions can also be stored in a computer-readable storage medium that causes a computer, programmable data processing apparatus, and / or other device to operate in a particular manner; thus, the computer-readable medium storing the instructions comprises an article of manufacture that includes instructions for implementing aspects of the functions / actions specified in one or more blocks of the flowchart and / or block diagram.

[0058] Computer-readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other device to cause a series of operational steps to be performed on the computer, other programmable data processing apparatus, or other device to produce a computer-implemented process, thereby causing the instructions executed on the computer, other programmable data processing apparatus, or other device to perform the functions / actions specified in one or more boxes of a flowchart and / or block diagram.

[0059] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to various embodiments of the present disclosure. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of an instruction, which contains one or more executable instructions for implementing a specified logical function. In some alternative implementations, the functions marked in the blocks may occur in a different order than those marked in the drawings. For example, two consecutive blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can be implemented using a dedicated hardware-based system that performs the specified function or action, or using a combination of dedicated hardware and computer instructions. It will be known to those skilled in the art that implementation in hardware, implementation in software, and implementation in a combination of software and hardware are equivalent.

[0060] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, and are not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A testing system for charging and distribution equipment, characterized in that, Includes a control module and a power supply module: The control module is connected to the power module and the charging and distribution equipment respectively. The control module is used to send control signals to the power module and the charging and distribution equipment to control the charging and distribution equipment to operate in a first working condition and to collect the operating data of the charging and distribution equipment in the first working condition. The first working condition is any working condition of the charging and distribution equipment in the vehicle. The power module is connected to the charging and distribution equipment, and the power module is used to supply power to the charging and distribution equipment. The control module is further used for: Collect the operating data of the power module and determine whether the operating data of the power module matches the operating data of the charging and distribution equipment; If the operating data of the power module does not match the operating data of the charging and distribution equipment, the charging and distribution equipment is determined to be faulty.

2. The system according to claim 1, characterized in that, The system also includes: A human-machine interface module, which is connected to the control module, is used to configure the detection command of the first working condition and send it to the control module so that the control module controls the charging and distribution equipment to operate in the first working condition. The control module is also used to send the operating data of the charging and distribution equipment and the operating data of the power supply module to the human-machine interface module.

3. The system according to claim 2, characterized in that, The system includes multiple control modules, each connected to a charging and distribution device. The control module is also used to synchronously send the identity information of the control module, the operating data of the charging and distribution device, and the operating data of the power module to the human-machine interface module.

4. The system according to any one of claims 1-3, characterized in that, The charging and distribution equipment includes DC-DC devices and / or OBC devices.

5. A method for inspecting charging and distribution equipment, characterized in that, include: Receive a detection command for the first operating condition, where the first operating condition is any operating condition of the charging and distribution equipment in the vehicle; According to the detection command of the first working condition, control the charging and distribution equipment to operate in the first working condition; Collect the operating data of the charging and distribution equipment under the first operating condition; Wherein, controlling the charging and distribution equipment to operate in the first operating condition according to the detection command of the first operating condition includes: According to the detection command of the first working condition, control signals are output to the power supply equipment and the charging and distribution equipment respectively to control the charging and distribution equipment to operate in the first working condition; After collecting the operating data of the charging and distribution equipment under the first operating condition, the method further includes: Collect the operating data of the power supply equipment; If the operating data of the power supply equipment does not match the operating data of the charging and distribution equipment, the charging and distribution equipment is determined to be faulty.

6. The method according to claim 5, characterized in that, After collecting the operating data of the charging and distribution equipment, the method further includes: The identity information and the operation data are sent to the human-machine interface so that the human-machine interface can determine the charging and distribution equipment corresponding to the operation data through the identity information.

7. The method according to claim 5 or 6, characterized in that, The charging and distribution equipment includes DC-DC devices and / or OBC devices.

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