CN218974542U - Hardware detection equipment and hardware test system - Google Patents
Hardware detection equipment and hardware test system Download PDFInfo
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- CN218974542U CN218974542U CN202123172970.4U CN202123172970U CN218974542U CN 218974542 U CN218974542 U CN 218974542U CN 202123172970 U CN202123172970 U CN 202123172970U CN 218974542 U CN218974542 U CN 218974542U
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Abstract
The utility model discloses hardware detection equipment and a hardware test system. The hardware detection device includes: the system comprises a plurality of running state simulation modules and communication modules, wherein each running state simulation module is used for simulating different running states of the power management system and is connected with an external port respectively; the external port is used for connecting the single board to be tested and transmitting the running state generated by the corresponding running state simulation module to the single board to be tested; the communication module is connected with each external port and is used for receiving the test information fed back by the single board to be tested and transmitting the test information to the associated terminal equipment for display. According to the technical scheme, different external ports are connected with the single board to be tested according to the test requirements, and the running states generated by simulation of the corresponding running state simulation modules are transmitted to the single board to be tested, so that the different single boards to be tested are tested, and the universality of hardware test equipment is improved.
Description
Technical Field
The present utility model relates to the field of data processing technologies, and in particular, to a hardware detection device and a hardware test system.
Background
A Battery Management System (BMS) is an important component of a new energy vehicle for managing charge and discharge of a battery so that the battery is in an optimal state.
At present, in the BMS maintenance process, BMS detection equipment detects to specific product, does not possess the commonality for the easy misuse BMS detection equipment in the maintenance process leads to misjudgement and misjudgement's condition to take place.
Disclosure of Invention
The embodiment of the utility model provides hardware detection equipment and a hardware test system, which are used for improving the universality of the hardware detection equipment and guaranteeing the accuracy of test results.
In a first aspect, an embodiment of the present utility model provides a hardware detection device, including: a plurality of operation state simulation modules and a communication module, wherein,
each running state simulation module is used for simulating different running states of the power management system and is connected with the external port respectively, wherein the running states comprise input information of the power management system and a battery working state, and the battery working state comprises battery voltage and battery temperature;
the external port is used for connecting a single board to be tested and transmitting the running state generated by simulation of the corresponding running state simulation module to the single board to be tested;
the communication module is connected with each external port and is used for receiving the test information fed back by the single board to be tested and transmitting the test information to the associated terminal equipment for display.
Further, the single board to be tested comprises any one of a main board, a slave board and a master-slave integrated single board.
Further, the running state simulation module comprises an IO interface module, a battery cell module and a high-voltage module, wherein the IO interface module is used for simulating input information of the battery management system; the battery cell module is used for simulating the battery working state of a single battery in the battery management system; the high-voltage module is used for simulating the battery working state of the battery pack.
Furthermore, the IO interface module is also used for collecting control output of the power management system.
Further, the high voltage module is specifically used for simulating the total voltage or the pre-charge voltage of the battery pack.
Further, the cell module comprises a battery simulation board and a resistance simulation board, wherein the battery simulation board is used for simulating the voltage of the single battery, and the resistance simulation board is used for simulating the temperature of the single battery.
Further, the running state simulation module further comprises a reserved load module, wherein the reserved load module is used for accessing the real load component.
Further, the running state simulation module further comprises an insulation resistance module for simulating the insulation state of the battery pack.
In a second aspect, an embodiment of the present utility model further provides a hardware testing system, including: the system comprises hardware detection equipment and terminal equipment, wherein the hardware detection equipment is in communication connection with the terminal equipment;
the hardware detection equipment is used for simulating various running states of the power management system, transmitting each running state to a single board to be detected, receiving test information fed back by the single board to be detected, and sending the test information to the terminal equipment, wherein the running states comprise input information of the power management system and a battery working state, and the battery working state comprises battery voltage and battery temperature;
the terminal equipment is used for receiving the test information sent by the hardware detection equipment, comparing the test information with standard information, determining the test result of the single board to be tested, and displaying the test result.
Further, the terminal device is further configured to import a test sequence corresponding to the board to be tested according to the type of the board to be tested, and send the test sequence to the hardware detection device, where the hardware detection device is configured to test the board to be tested according to the test sequence.
According to the utility model, different operation states of the power management system are simulated through the operation state simulation modules and are respectively connected with the external ports, so that a user can connect different external ports with the single board to be tested according to test requirements, and the operation states generated by simulation of the corresponding operation state simulation modules are transmitted to the single board to be tested, thereby realizing the test of different single boards to be tested and improving the universality of hardware test equipment; further, the communication module is connected with each external port, receives the test information fed back by the single board to be tested, and transmits the test information to the associated terminal equipment for display, so that a user can check the test condition of the single board to be tested conveniently.
Drawings
In order to more clearly illustrate the technical solution of the exemplary embodiments of the present utility model, a brief description is given below of the drawings required for describing the embodiments. It is obvious that the drawings presented are only drawings of some of the embodiments of the utility model to be described, and not all the drawings, and that other drawings can be made according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a hardware detection device according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a hardware detection device according to a second embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a hardware testing system according to a third embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof.
It should be further noted that, for convenience of description, only some, but not all of the matters related to the present utility model are shown in the accompanying drawings. Before discussing exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart depicts operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently, or at the same time. Furthermore, the order of the operations may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figures. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Example 1
Fig. 1 is a schematic structural diagram of a hardware detection device according to a first embodiment of the present utility model. The embodiment is applicable to the single board test. Wherein fig. 1 is only an example, and the number of the operation state simulation modules is not limited. The hardware detection device includes: a plurality of operational state simulation modules 110 and a communication module 120.
Each operation state simulation module 110 is used for simulating different operation states of the power management system and is connected with the external port, wherein the operation states comprise input information of the power management system and a battery operation state, and the battery operation state comprises a battery voltage and a battery temperature.
In the embodiment of the present utility model, the hardware detection device includes a plurality of operation state simulation modules 110, where the operation state simulation modules 110 may be used to simulate the operation states of the power management system, and it is understood that different operation state simulation modules 110 may simulate different operation states of the power management system. The running state simulation module 110 can be provided with corresponding external ports, can meet various test connection modes through switching of the external ports, and improves the universality of the hardware test equipment.
Optionally, the running state simulation module 110 includes an IO interface module, a battery core module and a high voltage module, where the IO interface module is used to simulate input information of the battery management system; the battery cell module is used for simulating the battery working state of the single battery in the battery management system; the high voltage module is used for simulating the battery working state of the battery pack. In this embodiment, different running states of the battery management system can be simulated through the IO interface module, the battery cell module and the high-voltage module, and a user can connect the external ports corresponding to each running state simulation module 110 with the single board to be tested according to the test requirement, and transmit the running states simulated and generated by the corresponding running state simulation modules to the single board to be tested, so that testing on different single boards to be tested is realized, and the universality of the hardware test equipment is improved.
The running state can be state information when the power management system normally runs, the running state comprises input information of the power management system and a battery working state, and the input information of the power management system comprises switch information and information acquired by a sensor. For example, temperature information collected by a temperature sensor; battery operating state refers to operational state information of a battery when the battery is operating normally, and may include, but is not limited to, battery voltage and battery temperature. In some embodiments, the battery voltage may be a voltage of a single battery, and in another embodiment, the battery voltage may be a voltage of a battery pack, which is not limited in this embodiment.
On the basis of the above embodiment, the IO interface module is further configured to collect a control output of the power management system.
The control output may include, but is not limited to, a control signal of the power management system to the high voltage relay. In some alternative embodiments, whether the board to be tested is in a normal state may be determined according to the control output.
On the basis of the above embodiments, the high voltage module is specifically used for simulating the total voltage or the pre-charge voltage of the battery pack.
The total voltage of the battery pack may be the total voltage of the plurality of unit battery cells, and the pre-charge voltage may be a partial voltage of the total voltage, for example, the pre-charge voltage is 90% of the total voltage. The total voltage or the pre-charge voltage of the battery pack can be connected to the single board to be tested to provide voltage for the single board to be tested.
On the basis of the embodiment, the battery cell module comprises a battery simulation board and a resistance simulation board, wherein the battery simulation board is used for simulating the voltage of the single battery, and the resistance simulation board is used for simulating the temperature of the single battery.
The battery simulation board is an integrated circuit board which can be used for simulating the voltage of the single battery. In some alternative embodiments, multiple battery simulation boards may be included in the cell module, i.e., the voltages of multiple cells may be simulated. The resistance simulation board is an integrated circuit board which can be used for simulating the temperature of the single battery, and the battery simulation board is matched with the resistance simulation board, so that the real running state of the single battery in the battery pack is simulated, the testing environment is more real and reliable, and the accuracy of the testing result is ensured.
On the basis of the above embodiment, the operation state simulation module further includes a reserved load module, where the reserved load module is used to access the real load component.
Wherein the reserved load module has access to the real load components, e.g. in-vehicle relays or other load devices. The reserved load module is added into the hardware detection equipment, so that the condition that certain specific real loads are required to be accessed for detection can be met, more kinds of test projects can be completed, and the universality of the hardware detection equipment is improved.
On the basis of the above embodiment, the operation state simulation module further includes an insulation resistance module for simulating an insulation state of the battery pack.
The insulation resistance module can be used for simulating the insulation state of the battery pack, and the insulation resistance module is added into the hardware detection equipment, so that the condition that detection can be performed only in the insulation state can be met, and the universality of the hardware detection equipment is improved.
Further, the external port is used for connecting the single board to be tested and transmitting the running state generated by simulation of the corresponding running state simulation module to the single board to be tested.
The single board to be tested refers to a single circuit board in the power management system. Optionally, the board to be tested includes any one of a motherboard, a slave board, and a master-slave integrated board. In some embodiments, the hardware portion of the power management system may be divided into a master board portion, which may access various relay drive signals, current signals, fast charge signals, slow charge signals, power signals, etc., and a slave board portion, which may access the collected voltage or temperature information. In another embodiment, the hardware part of the power management system may also be a master-slave integrated board, and the form of the hardware part is not limited in this embodiment.
Specifically, the IO interface module is configured to simulate input information of the battery management system, and transmit the input information to the board to be tested through the IO external port. The IO external port can be provided with multiple paths of low-voltage channels, can flexibly connect each path of channels to the test single board according to the test requirement of the single board to be tested, and can be particularly connected to functional modules such as a low-voltage power supply, a direct-current analog input, a direct-current analog output, a switching value input, PWMI, PWMO, CAN, an analog resistor, a load and the like in the single board to be tested. The battery cell module is used for simulating the battery working state of the single battery in the battery management system and transmitting the battery working state of the single battery to the single board to be tested through a battery cell external port, wherein the battery cell external port is provided with a plurality of battery cell module channels; the high-voltage module is used for simulating the battery working state of the battery pack and transmitting the battery working state of the battery pack to the single board to be tested through the high-voltage external port, and the high-voltage external port is provided with multiple high-voltage output channels.
Further, the communication module 120 is connected to each external port, and is configured to receive test information fed back by the board to be tested, and transmit the test information to the associated terminal device for display.
The test information fed back by the board to be tested may be transmitted to the communication module 120 through an external port, and the external port may specifically include an IO external port. The test information fed back by the board to be tested may be voltage, current or other signals, which is not limited in this embodiment. The communication module 120 may transmit the test information to the associated terminal device for display, and the communication manner between the communication module 120 and the terminal device includes, but is not limited to, wired communication and wireless communication, where the wired communication may include serial communication performed through an RS232 interface, and the wireless communication may include WIFI or bluetooth. Terminal devices may include, but are not limited to, desktop computers and notebook computers. In the embodiment, the test information is transmitted to the associated terminal equipment for display, so that convenience is provided for a user to check the test condition of the single board to be tested.
According to the utility model, different operation states of the power management system are simulated through the operation state simulation modules and are respectively connected with the external ports, so that a user can connect different external ports with the single board to be tested according to test requirements, and the operation states generated by simulation of the corresponding operation state simulation modules are transmitted to the single board to be tested, thereby realizing the test of different single boards to be tested and improving the universality of hardware test equipment; further, the communication module is connected with each external port, receives the test information fed back by the single board to be tested, and transmits the test information to the associated terminal equipment for display, so that a user can check the test condition of the single board to be tested conveniently.
Example two
Fig. 2 is a schematic structural diagram of a hardware detection device according to a second embodiment of the present utility model. The embodiment provides a specific implementation manner based on the technical scheme provided by the embodiment. The hardware detection device includes: IO interface module 210, high voltage module 220, resistance simulation board 230, and battery simulation board card 240.
The IO interface module 210 may receive and send an IO signal, and an external port of the IO interface module 210 has 120 low-voltage I/O channels, where each channel may be flexibly configured to be connected to a low-voltage power supply, AI, AO, DI, PWMI, PWMO, CAN, an analog resistor, a load and other functional modules inside the board to be tested 250 according to a test requirement.
The high voltage module 220 may include a program controlled high voltage module and an insulation resistance module, the program controlled high voltage module is used for simulating the total voltage or the pre-charge voltage of the battery pack, an external port of the program controlled high voltage module is provided with 10 paths (0-1000V) of high voltage output channels, and the external port is connected with the board card 250 to be tested; the insulation resistance module is used for simulating the insulation state of the battery pack, and an external port of the insulation resistance module is provided with 2 paths (100 k-2M) of insulation resistance simulation channels and is connected with the board card 250 to be tested.
The resistance simulation board 230 is used to simulate the temperature of the single battery, the battery simulation board 240 is used to simulate the voltage of the single battery, and in some alternative embodiments, the hardware detection device may include a plurality of battery simulation boards 240 to simulate the voltages of a plurality of single batteries so as to meet the detection requirements of the user. It can be understood that, the resistor simulation board 230 and the battery simulation board card 240 can simulate the battery management unit (BMU 250) with voltage and temperature through cooperation, and the battery management unit can also feed back the voltage and temperature information of the single battery to the IO interface module 210 and transmit the voltage and temperature information to the associated terminal device through the external port of the IO interface module 210. The resistor simulation board 230 and the battery simulation board card 240 commonly use an external port, the external port has 24 paths (0-5V/300 mA) of cell module channels, and the external port is connected with the board card 250 to be tested.
The hardware detection device also comprises a power supply interface and a communication interface, wherein specific parameters of the power supply interface are AC 100-220V and 50/60Hz. The communication interface is RS232. The size of the hardware detection device can be 535 x 400 x 207, and the hardware detection device is small in size and convenient to carry.
Example III
Fig. 3 is a schematic structural diagram of a hardware testing system according to a third embodiment of the present utility model. The embodiment is applicable to the single board test. Wherein fig. 3 is only an example, and does not limit the number of devices, the hardware testing system includes: hardware detection device 310 and terminal device 320, hardware detection device 310 is communicatively coupled to terminal device 320.
In the embodiment of the present utility model, the hardware detection device 310 is configured to simulate multiple operation states of the power management system, transmit each operation state to the board to be tested, receive test information fed back by the board to be tested, and send the test information to the terminal device 320, where the operation states include input information of the power management system and a battery working state, and the battery working state includes a battery voltage and a battery temperature;
the terminal device 320 is configured to receive the test information sent by the hardware detection device 310, compare the test information with the standard information, determine a test result of the board to be tested, and display the test result.
The standard information may be a value within a preset range, if the value of the test information is within the preset range, the test result of the board to be tested is qualified, and the test result is displayed on a preset interface of test software of the terminal device 320; if the value of the test information is not within the preset range, the test result of the to-be-tested single board is indicated to be unqualified, the test result is displayed on a preset interface of the test software of the terminal equipment 320, and the user can conveniently check the state of the to-be-tested single board by displaying the test result in the terminal.
Based on the above embodiment, the terminal device 320 is further configured to import a test sequence corresponding to the board to be tested according to the type of the board to be tested, and send the test sequence to the hardware detection device 310, where the hardware detection device 310 is configured to test the board to be tested according to the test sequence. In the embodiment of the utility model, the software platform of the terminal equipment 320 is used, and on the premise that the hardware resources meet the use functions, only the corresponding test sequences are required to be developed and imported into the software platform, so that the method has strong expansibility.
In some alternative embodiments, the terminal device 320 may also automatically generate a test report through the test platform, where the test report may check the running condition of the board to be tested, so as to facilitate the user to review.
According to the hardware testing system provided by the embodiment of the utility model, various running states of the power management system are simulated through the hardware detection equipment, the running states are transmitted to the single board to be tested, the testing information fed back by the single board to be tested is received, and different single boards to be tested can be adapted through simulating the various running states, so that the universality of the hardware detection equipment is improved; further, the test information is sent to the terminal equipment, the terminal equipment receives the test information sent by the hardware detection equipment, the test information is compared with the standard information, the test result of the single board to be tested is determined, the test result is displayed, automatic test is realized, and the test efficiency is improved.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (10)
1. A hardware detection device, comprising: a plurality of operation state simulation modules and a communication module, wherein,
each running state simulation module is used for simulating different running states of the power management system and is connected with the external port respectively, wherein the running states comprise input information of the power management system and a battery working state, and the battery working state comprises battery voltage and battery temperature;
the external port is used for connecting a single board to be tested and transmitting the running state generated by simulation of the corresponding running state simulation module to the single board to be tested;
the communication module is connected with each external port and is used for receiving the test information fed back by the single board to be tested and transmitting the test information to the associated terminal equipment for display.
2. The hardware inspection apparatus according to claim 1, wherein the board to be inspected comprises any one of a motherboard, a slave board, and a master-slave integrated board.
3. The hardware detection device of claim 1, wherein the operating state simulation module comprises an IO interface module, a battery cell module, and a high voltage module, wherein the IO interface module is configured to simulate input information of a battery management system; the battery cell module is used for simulating the battery working state of a single battery in the battery management system; the high-voltage module is used for simulating the battery working state of the battery pack.
4. The hardware detection apparatus of claim 3, wherein the IO interface module is further configured to collect a control output of a power management system.
5. The hardware testing device of claim 3, wherein the high voltage module is specifically configured to simulate a total voltage or a pre-charge voltage of a battery pack.
6. The hardware testing device of claim 3, wherein the cell module comprises a battery simulation board for simulating cell voltage and a resistance simulation board for simulating cell temperature.
7. The hardware detection device of claim 1, wherein the operating state simulation module further comprises a reserved load module for accessing real load components.
8. The hardware testing device of claim 1, wherein the operating state simulation module further comprises an insulation resistance module for simulating an insulation state of the battery pack.
9. A hardware testing system, comprising: the system comprises hardware detection equipment and terminal equipment, wherein the hardware detection equipment is in communication connection with the terminal equipment;
the hardware detection equipment is used for simulating various running states of the power management system, transmitting each running state to a single board to be detected, receiving test information fed back by the single board to be detected, and sending the test information to the terminal equipment, wherein the running states comprise input information of the power management system and a battery working state, and the battery working state comprises battery voltage and battery temperature;
the terminal equipment is used for receiving the test information sent by the hardware detection equipment, comparing the test information with standard information, determining the test result of the single board to be tested, and displaying the test result.
10. The hardware testing system of claim 9, wherein the terminal device is further configured to import a test sequence corresponding to the board to be tested according to the type of the board to be tested, and send the test sequence to the hardware detection device, and the hardware detection device is configured to test the board to be tested according to the test sequence.
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