KR20240058361A - Apparatus for testing lamp of vehicle - Google Patents

Abstract

A test device for a vehicle lamp according to an embodiment includes a host unit connected to at least one test equipment; and a test unit including the test equipment, wherein the host unit can set setting information for each test case.

Description

Testing device for vehicle lamps {APPARATUS FOR TESTING LAMP OF VEHICLE}

One embodiment of the present invention relates to a test device for vehicle lamps, a test device and method for vehicle lamps, and specifically relates to an automated integrated inspection method for a vehicle lamp LED module (MODULE).

Because various problems can occur with automobile parts, there is a need to go through a testing process.

However, existing test methods make it difficult to perform quick manual inspection, and extensive costs are often incurred for various tests.

A lot of research is being done to solve these problems, but there is a problem that is difficult to solve with existing methods.

A test device for a vehicle lamp according to an embodiment includes a host unit connected to at least one test equipment; and a test unit including the test equipment, wherein the host unit can set setting information for each test case.

The test device according to one embodiment may further include a lamp component including at least a portion of the vehicle lamp.

The test unit according to one embodiment may be connected to at least a portion of the lamp component.

The host unit according to one embodiment may set at least some of power logic, actual vehicle voltage waveform, and failure mode for each test case.

The host unit according to one embodiment may execute all test cases according to the setting information for each test case.

The host unit according to one embodiment may generate a report according to the results of execution of all test cases.

A test device for a vehicle lamp according to an embodiment includes a test equipment connection unit connected to at least one test equipment; and a test case setting unit that sets setting information for each test case.

The at least one test equipment according to one embodiment may be connected to a lamp component including at least a portion of the vehicle lamp.

The test case setting unit according to one embodiment may set at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.

The test device according to one embodiment may further include a test execution unit that executes tests for all test cases.

The test execution unit according to one embodiment may execute all test cases according to the setting information for each test case.

The test execution unit according to one embodiment may generate a report according to the results of execution of all test cases.

The test execution unit according to one embodiment may output or transmit at least part of the generated report.

A testing method for a vehicle lamp according to an embodiment includes connecting to at least one test device; and setting configuration information for each test case.

The at least one test equipment according to one embodiment may be connected to a lamp component including at least a portion of the vehicle lamp.

The setting step according to one embodiment may set at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.

The test method according to one embodiment may further include executing tests on all test cases.

The executing step according to one embodiment may execute the entire test case according to the setting information for each test case.

The test method according to one embodiment may further include generating a report according to the results of executing all of the test cases.

The test method according to one embodiment may further include outputting or transmitting at least a portion of the generated report.

1 is a block diagram of a test device for a vehicle lamp according to an embodiment.
Figure 2 is a diagram showing a test device for a vehicle lamp according to an embodiment.
Figure 3 is a block diagram of a test device for a vehicle lamp according to an embodiment.
Figure 4 is a flowchart of a test method for a vehicle lamp according to one embodiment.
Figure 5 is a diagram showing the flow of a test method for a vehicle lamp according to an embodiment.
Figure 6 is a diagram showing a screen for setting test specifications for each test case according to an embodiment.
Figure 7 is a diagram showing a screen for setting controller output specifications according to an embodiment.
Figure 8 is a diagram showing a screen for simultaneous power input settings according to one embodiment.
Figure 9 is a diagram showing a graph for setting output measurement points according to an embodiment.
Figure 10 is a diagram showing a screen for setting output measurement points and oscilloscope measurement channels according to an embodiment.
Figure 11 is a diagram showing a screen for a lighting logic table according to an embodiment.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

However, the technical idea of the present invention is not limited to some of the described embodiments, but may be implemented in various different forms, and as long as it is within the scope of the technical idea of the present invention, one or more of the components may be optionally used between the embodiments. It can be used by combining and replacing.

In addition, terms (including technical and scientific terms) used in the embodiments of the present invention, unless explicitly specifically defined and described, are generally understood by those skilled in the art to which the present invention pertains. It can be interpreted as meaning, and the meaning of commonly used terms, such as terms defined in a dictionary, can be interpreted by considering the contextual meaning of the related technology.

Additionally, the terms used in the embodiments of the present invention are for describing the embodiments and are not intended to limit the present invention.

In this specification, the singular may also include the plural unless specifically stated in the phrase, and when described as “at least one (or more than one) of A and B and C”, it is combined with A, B, and C. It can contain one or more of all possible combinations.

Additionally, when describing the components of an embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used.

These terms are only used to distinguish the component from other components, and are not limited to the essence, order, or order of the component.

And, when a component is described as being 'connected', 'coupled' or 'connected' to another component, the component is not only directly connected, coupled or connected to that other component, but also is connected to that component. It can also include cases where other components are 'connected', 'combined', or 'connected' due to another component between them.

Additionally, when described as being formed or disposed “above” or “below” each component, “above” or “below” refers not only to cases where two components are in direct contact with each other, but also to one This also includes cases where another component described above is formed or placed between two components. In addition, when expressed as “top (above) or bottom (bottom)”, it can include not only the upward direction but also the downward direction based on one component.

Hereinafter, embodiments will be described in detail with reference to the attached drawings, but identical or corresponding components will be assigned the same reference numbers regardless of reference numerals, and duplicate descriptions thereof will be omitted.

1 is a block diagram of a test device for a vehicle lamp according to an embodiment.

A test device for a vehicle lamp according to an embodiment may include a host unit 110 connected to at least one test equipment and a test unit 120 provided with the test equipment.

A test device for a vehicle lamp may include at least a portion of a vehicle test device. Each of the test devices for vehicle lamps or the components of the test device for vehicle lamps may include at least a portion of an electronic circuit, an electric circuit, a semiconductor, a memory, a processor, a data transceiver, etc.

The test device for vehicle lamps may include at least a portion of the test device for vehicle lamps described later. The test device for vehicle lamps may perform at least part of the operation of the test device for vehicle lamps, which will be described later.

At least a part of the test device for a vehicle lamp may perform at least some operations according to an input or command from a user terminal of a user/user or an administrator terminal of an administrator/manager of the test device for a vehicle lamp. At least a portion of the test device for a vehicle lamp may receive an input or command from a user terminal or an administrator terminal.

At least a portion of the test device for a vehicle lamp may output or transmit at least some information/data about the test to a user terminal or an administrator terminal.

The user terminal or administrator terminal may include at least a portion of a computing device or display.

The host unit 110 can set setting information for each test case.

The test device according to one embodiment may further include a lamp component 101 including at least a portion of a vehicle lamp.

The lamp component 101 may include, but is not limited to, at least a portion of at least one LED.

The lamp component 101 may include a plurality of LEDs, or may include at least one circuit.

The test unit 120 according to one embodiment may be connected to at least a portion of the lamp component 101.

The host unit 110 according to one embodiment may set at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.

The host unit 110 according to one embodiment may execute all test cases according to setting information for each test case.

The host unit 110 according to one embodiment may generate a report according to the results of execution of all test cases.

The generated report may include at least part of the results of execution of the entire test case. The results of execution may include pass/success or failure.

Figure 2 is a diagram showing a test device for a vehicle lamp according to an embodiment.

The host unit of the test device for vehicle lamps may include a host PC (HOST) 210. The host PC 210 may perform tester hardware (HW) control and data collection. The host unit may define the operation of at least some of the test equipment or components of the test unit 220 for each test case and then perform an automatic controller test with all test cases. The host unit can perform automated testing of all test cases in one cycle after setting the hardware (HW) settings for each test case in the initial settings.

The test unit 220 of the test device for vehicle lamps includes a bipolar power supply, power switch, LED module controller (A), error simulator, oscilloscope, etc. can do.

An oscilloscope can measure current, voltage, etc. for lamp components.

Each of at least some components of the test unit may be connected to at least some other components.

Each of at least some components of the test unit may be connected to the test unit or the lamp component. The lamp component may include at least a portion of an LED or an LED array.

Figure 3 is a block diagram of a test device for a vehicle lamp according to one embodiment.

The test device 300 for a vehicle lamp according to an embodiment may include a test equipment connection unit 301 that connects to at least one test equipment, and a test case setting unit 302 that sets setting information for each test case. there is.

The test device 300 for a vehicle lamp or each component of the test device 300 may include at least some of the components of the test device for a vehicle lamp described above.

At least a part of the test device 300 for a vehicle lamp may perform at least some operations according to an input or command from the user/user's user terminal or the manager/manager's manager terminal of the test device 300. The test device 300 may receive commands directly from a user or administrator through an input device or the like.

At least a portion of the test device 300 may receive input or commands from a user terminal or an administrator terminal. At least a portion of the test device 300 may include a user terminal or an administrator terminal.

At least a portion of the test device 300 may output or transmit at least some information/data about the test to a user terminal or an administrator terminal.

The user terminal or administrator terminal may include at least a portion of a computing device or display.

Test device 300 may include an output device or input device, such as a display or touch screen.

At least one test equipment according to one embodiment may be connected to a lamp component including at least a portion of a vehicle lamp.

The test case setting unit 302 according to one embodiment may set at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.

The test device 300 according to one embodiment may further include a test execution unit 303 that executes tests for all test cases.

The test execution unit 303 according to one embodiment may execute all test cases according to setting information for each test case.

The test execution unit 303 according to one embodiment may generate a report according to the results of execution of all test cases. The test execution unit 303 may automatically generate a report of all information/data regarding the results of execution of all test cases.

The test execution unit 303 according to one embodiment may output or transmit at least part of the generated report. The test execution unit 303 may output or transmit at least part of the generated report to a user terminal/administrator terminal or display.

Figure 4 is a flowchart of a test method for a vehicle lamp according to one embodiment.

Each step of the test method for vehicle lamps according to one embodiment may be performed by at least a portion of the above-described test device for vehicle lamps.

In step 401, a test device for a vehicle lamp may be connected to at least one test equipment.

At least one test equipment according to one embodiment may be connected to a lamp component including at least a portion of a vehicle lamp.

In step 402, the test device for a vehicle lamp may set setting information for each test case.

A test device for a vehicle lamp can set at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.

In step 403, the test device for the vehicle lamp may run tests on the entire test case.

The test device for vehicle lamps can execute all test cases according to the setting information for each test case.

A test device for vehicle lamps can generate a report based on the results of executing all test cases.

A test device for vehicle lamps may output or transmit at least part of the generated report.

Figure 5 is a diagram showing the flow of a test method for a vehicle lamp according to an embodiment.

The test equipment for vehicle lamps can automatically test the specifications of three types of lamp controllers: B+/communication, B+/signal, and individual power/signal.

In step 501, the test device for a vehicle lamp can set controller specifications. Test equipment for vehicle lamps can set the controller type, CAN data definition, input power/signal type, output current, etc.

In step 502, the test device for a vehicle lamp can set power logic, actual vehicle voltage waveform, failure mode, etc. for each test case. Test equipment for vehicle lamps can perform power logic settings and automatic authorization for each test case. The test device for vehicle lamps can set and automatically apply the actual vehicle voltage waveform for each test case. Test equipment for vehicle lamps can perform error simulation settings and automatic simulation for each test case.

At step 503, the test device for the vehicle lamp can execute the entire test case.

In step 504, the test device for a vehicle lamp may check the PASS/FAIL of the waveform data and specifications (SPEC) for the test results. A test device for vehicle lamps can determine pass/fail with respect to measurement data for each test case.

In step 505, the test device for vehicle lamps can automatically generate a test result report.

Test equipment for vehicle lamps has the advantage of being able to execute multiple test cases in one cycle.

Figure 6 is a diagram showing a screen for setting test specifications for each test case according to an embodiment.

A test device for vehicle lamps can set up at least some of the components shown in FIGS. 6 to 11. Test equipment for vehicle lamps can provide a table/table to set test specifications for each test case.

Test equipment for vehicle lamps can set controller input specifications.

The test device for vehicle lamps can set the LDM input, and the LDM input is Channel, Max Current, Name, Type, CAN/LIN, and lamp channel mapping. (LAMP CHANNEL MAPPING) may be included. The LDM input can be located at the top of the screen provided by the test instrument for automotive lamps.

A test device for a vehicle lamp may generate different initial settings/defaults of components for LDM input for each test case. Some components may be added, and some components may be deleted.

Test equipment for automotive lamps can provide values/data to enter the controller input channel name in NAME. The test device for vehicle lamps can receive values/data for the controller input channel name written in NAME.

Test equipment for vehicle lamps can provide values/data to input control type settings (battery + communication type, battery + signal type, individual power + signal type), etc. in TYPE. Test equipment for vehicle lamps can receive input values/data for control type settings written in TYPE.

The test device for vehicle lamps can provide values/data to write CAN/LIN control messages to CAN/LIN (control the controller through the corresponding messages in the case of communication type). Test equipment for vehicle lamps can receive values/data for CAN/LIN control messages.

A test device for a vehicle lamp can provide values/data to enter the output channel to be used as a controller test specification for each input channel in LAMP CHANNEL MAPPING (refer to the LMAP CHANNEL table in FIG. 7 for output specifications). Test equipment for vehicle lamps can receive values/data for controller inspection specifications for each input channel.

Figure 7 is a diagram showing a screen for setting controller output specifications according to an embodiment.

Test equipment for vehicle lamps can set controller output (OUTPUT) specifications.

Test equipment for vehicle lamps can set lamp channels. The test equipment for vehicle lamps includes the channel name, output channel name, minimum and maximum of lamp current, minimum and maximum of turn on/off TIME, and inrush for each lamp channel. You can set the maximum (Inrush).

Test equipment for automotive lamps can provide values/data to specify the controller output channel name in NAME. A test device for vehicle lamps can receive value/data for the controller output channel name.

Test equipment for vehicle lamps can provide values/data to fill in the controller output inspection specifications in LAMP Current. Test equipment for vehicle lamps can receive input values/data for controller output inspection specifications.

Test equipment for vehicle lamps can provide values/data to enter the controller output ON/OFF time specifications in Turn on/off TIME. The test device for vehicle lamps can receive input values/data for specifications of controller output on/off.

A test device for a vehicle lamp can provide values/data to Inrush to fill in the controller output inrush specifications. The test device for vehicle lamps can receive input values/data for the specifications of the controller output inrush.

Figure 8 is a diagram showing a screen for simultaneous power input settings according to one embodiment.

Test equipment for vehicle lamps can set simultaneous power input such as LOW and HIGH using check boxes.

The test device for vehicle lamps provides mapping as a table/table and can set simultaneous power input when the user checks the checkbox and checks both LOW and HIGH.

A test device for a vehicle lamp may provide a setting window for a function (e.g., TURN ACT) that requires simultaneous power supply on the screen when power is input to a specific function (e.g., TURN). The screen may include a screen/screen, such as a display/device included in or connected to a user terminal, an administrator terminal, or a test device for a vehicle lamp.

Figure 9 is a diagram showing a graph for setting output measurement points according to an embodiment.

Test equipment for vehicle lamps provides measurement point settings, allowing you to set measurement points based on input waveforms.

A test device for vehicle lamps can provide graphs regarding voltage, start, area, measurement data, etc. on the screen.

Figure 10 is a diagram showing a screen for setting output measurement points and oscilloscope measurement channels according to an embodiment.

Test equipment for automotive lamps can provide oscilloscope measurement channel entry and configuration.

Test equipment for vehicle lamps can be set up using a load function that loads the setting values of another test case.

Figure 11 is a diagram showing a screen for a lighting logic table according to an embodiment.

Test equipment for vehicle lamps can be evaluated/tested by providing a lighting logic table.

Test equipment for vehicle lamps can provide LDM input, LAMP Action, and Results on the screen.

A test device for vehicle lamps may provide a button for testing on the screen. Buttons for testing may include a “Run” button. When the user/administrator clicks/touches the “Run” button under Test, the test is performed and the results can be displayed under Result. Test equipment for vehicle lamps can display values/data, relevant fields, etc. in red or other colors to distinguish them from other values.

A test device for vehicle lamps may provide a button on the screen indicating perform an overall test, which allows all the entire tests to be performed at once. Buttons indicating full test execution may include an “All Test Run” button. When the user/administrator clicks/touches the “All Test Run” button at the bottom right of the table, the entire test is performed and all results can be displayed under Result.

The channel name (NAME) can be automatically entered based on the input/output channel relationship mapped on the SPEC page.

LAMP INPUT can indicate the writing of input lighting logic (when RUN is clicked, the power to the input channel marked “O” is input).

LAMP Action(Expect) can indicate the entry of an output expected value (light on: O, light off: X). The presence or absence of lights on/off can be determined by the output current specification on the settings/spec (SPEC) page.

LAMP Action (Measure) can automatically write the output measurement value (automatically write the measured output current). After comparison with the expected value, Pass or Fail may be determined and entered.

The test equipment for vehicle lamps can simplify circuit verification, secure verification reliability, and improve controller competitiveness with automated integrated inspection technology for vehicle lamp LED modules, and is available in three control types (B+/communication type, B+/signal type, individual Since it is a technology that can automatically inspect LED modules (power/signal type) based on multiple test cases, it has the effect of reducing time, cost, and man-hours compared to conventional technology.

The test device for vehicle lamps can provide the following test case list/list on the screen.

A total of 8 test cases can be selected from the test equipment for vehicle lamps. As a test device for automotive lamps, TC2-4 allows you to select from seven types of LOAD DUMP waveforms. Test equipment for vehicle lamps can evaluate controller tolerance and operating characteristics by reproducing the harsh environment of actual vehicle conditions.

The test device for vehicle lamps can store different settings for each test case (the first test case to the nth test case, n is a natural number), and when testing a test case (the mth test case, m is a natural number), the settings have already been saved. You can recall/load settings for different test cases. Test equipment for vehicle lamps is:

You can easily perform tests on other test cases by using the settings of the imported/loaded test case. At this time, at least part of the settings for other test cases may be changed and the test may be performed.

The term '~unit' used in this embodiment refers to software or hardware components such as FPGA (field-programmable gate array) or ASIC, and the '~unit' performs certain roles. However, '~part' is not limited to software or hardware. The '~ part' may be configured to reside in an addressable storage medium and may be configured to reproduce on one or more processors. Therefore, as an example, '~ part' refers to components such as software components, object-oriented software components, class components, and task components, processes, functions, properties, and procedures. , subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables. The functions provided within the components and 'parts' may be combined into a smaller number of components and 'parts' or may be further separated into additional components and 'parts'. In addition, the components and 'parts' may be implemented to regenerate one or more CPUs within the device or secure multimedia card.

Although the present invention has been described above with reference to preferred embodiments, those skilled in the art may make various modifications and changes to the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand that you can do it.

Claims (20)

In a test device for vehicle lamps,
A host unit connected to at least one test equipment; and
Test unit equipped with the above test equipment
Including,
The host unit,
A test device that sets configuration information for each test case.
According to paragraph 1,
Lamp parts including at least a portion of the vehicle lamp
A test device further comprising:
According to paragraph 2,
The test department,
A test device connected to at least a portion of the lamp components.
According to paragraph 1,
The host unit,
A test device that sets up at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.
According to paragraph 4,
The host unit,
A test device that executes all test cases according to the setting information for each test case set above.
According to clause 5,
The host unit,
A test device that generates a report based on the results of executing all of the test cases.
In a test device for vehicle lamps,
a test equipment connection connecting at least one test equipment; and
Test case setting section that sets setting information for each test case
Test equipment including.
In clause 7,
The at least one test equipment is,
A test device connected to a lamp component including at least a portion of the vehicle lamp. In clause 7,
The test case setting unit,
A test device that sets at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.
In clause 7,
Test execution unit that runs tests on all test cases
A test device further comprising:
According to clause 10,
The test execution unit,
A test device that executes all test cases according to the setting information for each test case set above.
According to clause 11,
The test execution unit,
A test device that generates a report based on the results of executing all of the test cases.
According to clause 12,
The test execution unit,
A test device that outputs or transmits at least part of the generated report.
In a test method for vehicle lamps,
connecting with at least one test equipment; and
Steps to set configuration information for each test case
Test method including.
According to clause 14,
The at least one test equipment is:
A test method connected to a lamp component comprising at least a portion of the vehicle lamp.
According to clause 14,
The setting step is,
A test method that sets at least some of the power logic, actual vehicle voltage waveform, and failure mode for each test case.
According to clause 14,
Steps to run tests on the entire test case
A test method further comprising:
According to clause 17,
The steps to execute are:
A test method that executes all test cases according to the setting information for each test case set above.
According to clause 18,
Generating a report according to the results of executing all of the test cases
A test method further comprising:
According to clause 19,
Outputting or transmitting at least part of the generated report
A test method further comprising: