Apparatus and method for testing motor of wiper

Abstract

The present invention relates to a wiper motor testing device and a method thereof, comprising a test facility on which a wiper motor to be tested is installed, a load device connected to the wiper motor, and a controller that controls the test facility under conditions identical to the actual environment in which the wiper motor operates according to the type of test, performs a test on the wiper motor by changing the load device, and calculates the durability of the wiper motor based on data measured during the test, thereby verifying the reliability of the wiper motor and quantifying and calculating the lifespan of the wiper motor by performing a test in an environment similar to the actual operating environment while considering various climate environments and load conditions.

Description

Technology Field

[0001] The present invention relates to a wiper motor testing device and a method thereof, and more specifically, to a wiper motor testing device and a method thereof that tests the performance of a wiper motor by applying a load identical to that of an actual wiper to the wiper motor. Background Technology

[0002] Generally, vehicle windows are equipped with wipers to ensure clear visibility when it rains or snows, thereby preventing interference with driving.

[0003] Wipers are essential components for driving safety, as they ensure the driver's visibility in various weather conditions such as rain, snow, yellow dust (or fine dust).

[0004] The wiper motor is a component that governs the operation of the wiper through multiple linkage parts. When the wiper operates, the wiper motor operates continuously and strongly to minimize losses occurring during the motion conversion process.

[0005] Therefore, in order to continuously operate the wiper, the wiper motor needs to verify the reliability of its operation.

[0006] While wipers can be easily replaced with new ones as needed, wiper motors are installed inside the vehicle and cannot be easily replaced, so their quality needs to be tested.

[0007] A related background technology is Korean Registered Patent Publication No. 10-0309343, "Wiper System Durability Tester." The problem to be solved

[0008] The present invention was created out of the above-mentioned necessity, and aims to provide a wiper motor testing device and a method thereof that tests durability against load and evaluates lifespan while adjusting the operating level of the wiper in consideration of weather conditions. means of solving the problem

[0009] To achieve the above-mentioned purpose, a wiper motor test device according to one aspect of the present invention comprises: a test facility in which a wiper motor to be tested is installed; a load device connected to the wiper motor; and a controller that sets the load device corresponding to the climate environment and load in which the wiper motor operates according to the type of test, controls the test facility under the same conditions to perform a test on the wiper motor, and calculates the durability of the wiper motor based on data measured during the test.

[0010] The controller comprises: a plurality of sensors connected to the test facility and the wiper motor to measure the state; and a processor that controls the test facility, monitors the operation of the wiper motor based on data measured through the plurality of sensors, and calculates the durability.

[0011] The processor is characterized by applying profile data generated based on current or voltage measured in the actual operating environment of the wiper motor to the test facility, thereby controlling the wiper motor to operate by following the profile data.

[0012] The above processor is characterized by changing the load device according to the operating mode of the above wiper motor so that the same load as the load acting on the above wiper motor in an actual operating environment acts on it.

[0013] The processor is characterized by analyzing the operating time and number of operations according to the test environment and load conditions based on the test results for the wiper motor, calculating the durability of the wiper motor, and predicting the lifespan of the wiper motor.

[0014] The processor predicts the lifespan of the wiper motor to set the number of operations and the operating time, performs a test on the wiper motor according to the number of operations and the operating time, and changes the number of operations and the operating time based on the test results to perform the next test.

[0015] The above controller is characterized by performing a test for each rainfall amount by connecting a load device of the same load to the wiper motor based on the load acting on the wiper motor according to the rainfall amount or snow accumulation amount.

[0016] The controller is characterized by performing a test to have the wiper motor operate repeatedly until it stops operating or until a specified duration of operation, and calculating the durability based on the operating time and number of operations of the wiper motor.

[0017] A wiper motor testing method according to one aspect of the present invention comprises: a step of installing a wiper motor to be tested in a test facility and, when a load device is connected, a controller starting a test; a step of the controller controlling the test facility under conditions identical to the actual environment in which the wiper motor operates according to the type of test; a step of operating the wiper motor to perform a test; and a step of calculating the durability of the wiper motor based on data measured during the test.

[0018] In the step of starting the above test, the controller is characterized by controlling the connection of the load device with the same load to the wiper motor based on the load acting on the wiper motor according to the amount of rainfall or snowfall.

[0019] In the step of starting the above test, the controller includes the step of changing the load device so that a load identical to the load acting on the wiper motor in an actual operating environment acts according to the operating mode of the wiper motor.

[0020] In the step of performing the above test, the controller predicts the lifespan of the wiper motor, sets the number of operations and the operating time, and performs a test on the wiper motor according to the number of operations and the operating time.

[0021] In the step of performing the above test, the controller applies profile data generated based on the current or voltage measured in the actual operating environment of the wiper motor to the test facility, and controls the wiper motor to operate by following the profile data.

[0022] In the step of calculating the durability, the controller calculates the durability based on the operating time and number of operations of the wiper motor.

[0023] After the step of calculating the durability, the controller further includes the step of predicting the lifespan of the wiper motor by analyzing the operating time and number of operations according to the test environment and load conditions based on the test results for the wiper motor. Effects of the invention

[0024] According to one aspect, a wiper motor testing device and method according to one aspect of the present invention can effectively test a wiper motor while adjusting the load in consideration of various environmental conditions.

[0025] A motor reducer fault diagnosis device and method according to one aspect of the present invention can verify the reliability of a wiper motor product by performing a test under conditions similar to an actual operating environment.

[0026] A motor reducer fault diagnosis device and method according to one aspect of the present invention can quantify and calculate the lifespan of a wiper motor based on experimental data. Brief explanation of the drawing

[0027] FIG. 1 is a block diagram illustrating the control configuration of a wiper motor test device according to one embodiment of the present invention. FIG. 2 is a diagram showing the configuration of a load measuring device according to one embodiment of the present invention. FIG. 3 is an exemplary diagram showing a test facility of a wiper motor test device according to one embodiment of the present invention. FIG. 4 is a block diagram showing the controller configuration of a wiper motor test device according to one embodiment of the present invention. FIG. 5 is a figure showing data for testing a wiper motor according to an embodiment of the present invention. FIG. 6 is a flowchart illustrating a test method of a wiper motor test device according to an embodiment of the present invention. Specific details for implementing the invention

[0028] The present invention will be described below with reference to the attached drawings.

[0029] In this process, the thickness of lines or the size of components depicted in the drawings may be exaggerated for the sake of clarity and convenience of explanation. Furthermore, the terms described below are defined considering their functions in the present invention, and these may vary depending on the intent or convention of the user or operator. Therefore, the definitions of these terms should be based on the content throughout this specification.

[0030] FIG. 1 is a block diagram illustrating the control configuration of a wiper motor test device according to one embodiment of the present invention.

[0031] Referring to FIG. 1, the wiper motor test device (10) according to the present invention may include a controller (100) and a test facility (200).

[0032] The controller (100) controls the operation of the test facility (200) to establish a test environment and adjusts the load acting on the wiper motor (50).

[0033] The controller (100) may include a processor (110) and a sensor (140).

[0034] The sensor (140) measures the current and voltage of the wiper motor (50) while the wiper motor (50) installed in the test facility (200) is operating and applies them to the processor (110).

[0035] In addition, the sensor (140) can measure the temperature of the test facility (200).

[0036] The processor (110) can control the test facility (200) to perform a test on the wiper motor (50) while changing the load according to the climate environment and the operating level of the wiper.

[0037] The processor (110) supplies operating power to the test facility (200) through the power supply unit and controls the test facility (200) to operate according to the set conditions.

[0038] The test facility (200) may include a load device (230) and a mounting jig (240). Additionally, the test facility (200) may further include a load measuring device (210) or an environment simulation device (not shown).

[0039] The load device (230) may include a plurality of loads that satisfy load conditions according to the environment. The load device (230) may be configured with different sizes and weights depending on the test conditions. In some cases, the load device (230) may include a wiper.

[0040] The load device (230) is installed on the wiper motor (50) that is the subject of the test.

[0041] The test facility (200) can perform tests using load devices (230) of different sizes and weights according to the test settings for the wiper motor (50).

[0042] A wiper motor (50) to be tested is mounted on the mounting jig (240).

[0043] The mounting jig (240) is designed as a structure for mounting the wiper motor (50).

[0044] The mounting jig (240) securely mounts the wiper motor (50) and supports it so that it does not fall off even when the wiper motor (50) is in operation.

[0045] The wiper motor (50) is connected to the load device (230) while connected to the mounting jig (240). The wiper motor (50) starts driving according to the operating power supplied from the controller (100) and performs a specified operation while the load device (230) is mounted.

[0046] The controller (100) starts a test with the load device (230) installed on the wiper motor (50), measures the current and voltage through the sensor (140), and monitors the test.

[0047] The controller (100) monitors and controls the test progress status based on data measured through the sensor (140) while the test facility (200) is operating.

[0048] The controller (100) can determine whether the test environment is similar to the actual operating environment by comparing the data measured during the test with the data measured in the actual wiper operating environment. If there is a difference in the measured data, the controller (100) can control the test facility (200) to apply an environment identical to the actual operating environment to the wiper motor (50).

[0049] The controller (100) can calculate the durability of the wiper motor (50) based on data measured through the sensor (140). In addition, the controller (100) can quantify and calculate the lifespan of the wiper motor (50) based on test data.

[0050] FIG. 2 is a diagram showing the configuration of a load measuring device according to one embodiment of the present invention.

[0051] Referring to FIG. 2, the wiper motor test device (10) according to the present invention performs a test using a load according to the environment measured through a load measuring device (210).

[0052] The load measuring device (210) may be included in the test facility (200).

[0053] The load measuring device (210) is equipped with a wiper motor (50) to be tested, applies operating power to the wiper motor (50), and applies a wiper (231, 232) to the load device (230) to measure the load acting on the wiper motor (50).

[0054] The load measuring device (210) may include a wiper (231, 232), a window (261) to which the wiper (231, 232) contacts, and a mounting part (251, 252) to which a wiper motor (50) is mounted.

[0055] The window (261) can be installed at the same angle as the front windshield of the vehicle. The window (261) may further include an angle adjustment device to change the angle according to the type of vehicle.

[0056] The mounting part (251, 252) mounts the wiper motor (50) that is the subject of the test.

[0057] Additionally, the load measuring device (210) may include a rain device (270) for creating a climate environment. The rain device (270) can control the amount of water discharged (precipitation) according to the setting. Additionally, the test facility (200) may further include a snow removal device (not shown), a heating device (not shown) or a cooling device (not shown) for temperature control.

[0058] The load measuring device (210) measures the load acting on the wiper motor (50) according to environmental conditions. The load measuring device (210) can measure the load on the wiper motor (50) according to various climate environments.

[0059] The load measuring device (210) simulates a weather environment such as snow or rain so that the wiper motor (50) operates and the wipers (231, 232) operate.

[0060] The controller (100) can measure the load on the wiper motor (50) by implementing various climate environments in the load measuring device (210).

[0061] The controller (100) is connected to the load measuring device (210) to measure and store the current and voltage while the wiper motor (50) is operating.

[0062] In addition, the controller (100) can receive load data measured by the load measuring device (210).

[0063] The controller (100) can generate profile data for testing the wiper motor based on load data measured in various climate environments.

[0064] FIG. 3 is an exemplary diagram showing a test facility of a wiper motor test device according to one embodiment of the present invention.

[0065] Referring to FIG. 3, the test facility (200) may include a load device (230) and a mounting jig (240) for testing the wiper motor (50) under various load conditions.

[0066] The mounting jig (240) is configured to mount the wiper motor (50). The mounting jig (240) secures and supports the wiper motor (50).

[0067] The load device (230) is connected to the wiper motor (50).

[0068] Multiple load devices (230) may be provided with different sizes or weights.

[0069] The load device (230) is configured to apply the same load as the load applied to the wiper motor (50) by the linkage of the wipers (231, 232).

[0070] Additionally, the load device (230) is configured so that a load identical to the load conditions according to the actual climate environment acts on the wiper motor (50) based on the load measurement results of FIG. 2 described above. The load device (230) may be configured with different sizes and weights to account for friction with the window that changes according to climate conditions.

[0071] The wiper motor (50) can be connected to the controller (100). The wiper motor (50) operates using operating power supplied from the power supply unit (190) of the controller (100).

[0072] The controller (100) can control the power supply unit (190) to supply power to or stop supplying power to the wiper motor (50).

[0073] The controller (100) can perform a test on the wiper motor (50) using the profile data (122) generated based on the load data measured by the load measuring device (210).

[0074] The controller (100) can acquire data regarding the wiper motor (50) through the sensor (140) while the test is being conducted through the mounting jig (240). The controller (100) can monitor the state of the wiper motor (50) based on the voltage, current, and operating speed of the wiper motor (50) measured through the sensor (140).

[0075] The controller (100) can control the voltage or current applied to the wiper motor (50) so that the voltage or current of the wiper motor (50) follows the profile data (122).

[0076] The controller (100) can perform a test according to weather conditions by changing the load device (230) to change the load conditions acting on the wiper motor (50). For example, the controller (100) can perform a test regarding rainfall by connecting the load device (230) corresponding to the load data according to rainfall from the load measuring device (210) to the mounting jig (240).

[0077] The controller (100) can predict the lifespan of the wiper motor (50) and perform a test by setting the number of operations and the operation time corresponding to the predicted lifespan.

[0078] The controller (100) performs a test by operating the wiper motor (50) for a specified number of operations or a specified operating time.

[0079] The controller (100) can calculate the lifespan of the wiper motor (50) based on the test results.

[0080] The controller (100) can change the predicted lifespan by comparing the predicted lifespan with the calculated lifespan based on the test results, and change the number of operations and the operation time accordingly to perform the next test.

[0081] Additionally, the controller (100) can control the wiper motor (50) to operate repeatedly in succession according to the specified profile data (122) until the operation of the wiper motor (50) stops. The controller (100) can control the same operation to be repeated until the specified operation duration.

[0082] The controller (100) can change the type of load device (230) and test the wiper motor (50) under the same conditions.

[0083] Additionally, the controller (100) can change the temperature conditions during testing by controlling a temperature-controlled cooling or heating device included in the test facility (200). The controller (100) can operate the wiper motor (50) in an ultra-low temperature environment or an ultra-high temperature environment with the same load conditions to perform tests according to the temperature conditions in parallel.

[0084] The controller (100) stores the operating time and number of operations of the wiper motor (50) in the memory (120) according to the climate environment and load conditions. The controller (100) can output the measurement data through the output unit (180).

[0085] The controller (100) can calculate the durability of the wiper motor (50) by synthesizing test results and finally calculate the lifespan accordingly.

[0086] FIG. 4 is a block diagram showing the controller configuration of a wiper motor test device according to one embodiment of the present invention.

[0087] Referring to FIG. 4, the controller (100) may include a memory (120), a communication unit (130), a sensor (140), an input unit (170), an output unit (180), a power supply unit (190), and a processor (110).

[0088] The memory (120) can store test data (121), profile data (122), measurement data (123) and test result data (124).

[0089] Test data (121) includes setting data for testing the wiper motor (50) and data for controlling the test facility (200). Profile data (122) includes a plurality of test profiles including setting values ​​for climate conditions or load conditions for the wiper motor (50), and data on current or voltage measured in the actual operating environment of the wiper motor. Measurement data (123) includes sensor data measured from the sensor (140), and test result data (124) may include test results, durability, and lifespan data for the wiper motor based on the measurement data.

[0090] Additionally, the memory (120) can store data that is computed during the test, temporary data, data for producing results according to the test, and learning data for the wiper motor test.

[0091] The memory (120) can store data regarding at least one of a wiper motor test algorithm, a test facility control algorithm, a load control algorithm, an environment control algorithm, a result analysis algorithm, and a test result generation algorithm.

[0092] The memory (120) may include at least one storage means among non-volatile memory such as RAM (Random Access Memory), ROM (ROM), EEPROM (Electrically Erased Programmable ROM), flash memory, HDD, SSDD, and SSD.

[0093] The communication unit (130) transmits and receives data to and from the test facility (200) via wired or wireless communication. Additionally, the communication unit (130) can communicate with an external server or terminal. The communication unit (130) may include an input / output interface for wired connection.

[0094] For example, the communication unit (130) may include at least one of short-range communication, mobile communication, parallel communication, and serial communication such as Ethernet, Wi-Fi, Bluetooth, or NFC (Near Field Communication).

[0095] The sensor (140) is installed in the test facility (200) and can measure the current or voltage of the wiper motor (50). The sensor (140) can measure the temperature, humidity, and moisture in the test facility (200) and in the environment where the test facility (200) is operating. In addition, the sensor (140) can measure the pressure or speed of the wiper or the load device (230).

[0096] For example, the sensor (140) may include at least one of a current sensor, a voltage sensor, a pressure sensor, a speed sensor, a temperature sensor, a humidity sensor, and a rain sensor.

[0097] The input unit (170) may include at least one button, switch, and touchpad. The input unit (170) inputs user commands for test progress or menu selection to the processor (110). Additionally, the input unit (170) may input setting data for test progress.

[0098] The output unit (180) may include at least one of an operation lamp, a display, and a speaker. The output unit (180) may output a menu screen for testing the wiper motor (50), a monitoring screen during testing, progress status, and test results.

[0099] The output unit (180) can output a menu screen and a monitoring screen through a display, output at least one of a sound effect, a warning sound and a voice guide through a speaker, and output an operation status through an operation lamp.

[0100] The power supply unit (190) supplies operating power to the wiper motor (50). The power supply unit (190) may include a motor driving module (not shown) for driving the wiper motor.

[0101] The power supply unit (190) can supply or stop supplying a voltage of a certain magnitude in response to a control command of the processor (110).

[0102] The power supply (190) may use a programmable DC power supply.

[0103] The processor (110) includes at least one microprocessor and can operate according to an algorithm stored in memory (120). The processor (110) processes data in memory (120) and controls the input and output of data through the input unit (170) and the output unit (180).

[0104] The processor (110) analyzes the data input through the sensor (140) and performs a test on the wiper motor (50).

[0105] The processor (110) can start the test when a load device (230) according to the type of test is connected to the wiper motor (50).

[0106] The processor (110) controls the power supply unit (190) to supply power to each device equipped in the test facility (200), and transmits a control command to the test facility (200) to control the wiper motor (50) to perform a designated operation.

[0107] The processor (110) applies a test-specific profile to the test facility (200) based on the profile data (122) of the memory (120) to perform the test.

[0108] The processor (110) can test the wiper motor (50) by considering the operation of the wiper linkage component. The processor (110) can test the wiper motor (50) by connecting a load device (230) corresponding to the operating level of the wiper and the load according to the field environment. The processor (110) can repeat the test while changing the type of load device (230).

[0109] The processor (110) can perform a test based on test data (121) and profile data (122) by connecting a load device (230) to the wiper motor (50) according to the same load and environment as when the wiper motor (50) operates in an actual environment.

[0110] In some cases, the processor (110) can output information about the load device (230) to be connected through the output unit (180) when the test mode is set based on the test data (121) and profile data (122).

[0111] The load device (230) is set so that a load equivalent to that during actual operation is applied by taking into account weight and moment in mechanical aspects.

[0112] The processor (110) can control the voltage and current of the wiper motor (50) to have the same value during testing based on the operating waveform of the wiper motor, e.g., voltage and current data, measured in a predetermined environment through the load measuring device (210). The processor (110) can determine whether the measured voltage and current of the wiper motor (50) are the same as the profile data (122) based on the RMS value.

[0113] The processor (110) controls the cooling device or heating device for each test to control the temperature of the environment where the test facility (200) is installed, and accordingly, can test the wiper motor (50) at a high temperature or a low temperature.

[0114] The processor (110) can set a predicted lifespan for the wiper motor (50) and set the number of operations and the operation time corresponding to the predicted lifespan to perform a test.

[0115] The processor (110) determines whether the predicted lifespan is satisfied based on the test results. The processor (110) can change the predicted lifespan based on the test results and then perform a test based on the new number of operations and operation time.

[0116] Additionally, the processor (110) can perform a test until the wiper motor (50) stops operating. Additionally, the processor (110) can control the same operation to be repeated until a specified operation duration.

[0117] The processor (110) measures the operating time and number of operations of the wiper motor (50) and stores the measured data (123) in the memory (120).

[0118] The processor (110) calculates the durability of the wiper motor (50) by analyzing data obtained during testing. Additionally, the processor (110) can finally calculate the lifespan of the wiper motor (50). The processor (110) can predict the lifespan based on learning by analyzing the data from the test based on machine learning or deep learning.

[0119] The processor (110) can generate test result data (124) including durability and lifespan according to the test and store it in memory (120).

[0120] The processor (110) can output test result data (124) through the output unit (180). Additionally, the processor (110) can transmit the test result data (124) to a server or terminal through the communication unit (130).

[0121] The processor (110) can generate a warning or notification and output it through the output unit (180) when an abnormality or failure occurs during the test.

[0122] FIG. 5 is a figure showing data for testing a wiper motor according to an embodiment of the present invention.

[0123] As illustrated in FIG. 5(a), the wiper motor test device (10) is a diagram showing the change in current over time measured during the operation of the wiper motor (50) in an actual environment, implemented through the load measuring device (210).

[0124] For example, when a wiper motor (50) is installed in a vehicle, this is current data measured during the operation of the wiper motor.

[0125] The controller (100) of the wiper motor test device (10) can generate profile data for conducting a test based on the data as shown in (b) of FIG. 5.

[0126] The controller (100) stores profile data in memory (120) and, when testing the wiper motor (50), controls the wiper motor (50) so that the current or voltage of the wiper motor (50) follows the current or voltage of the profile data.

[0127] The controller (100) can perform tests by classifying the wiper motor (50) according to the operating mode. The controller (100) controls the wiper motor (50) to operate by applying profile data for Low Mode and High Mode, respectively.

[0128] Additionally, the controller (100) sets the operation duration for each mode and performs a test by installing a load device (230) on the wiper motor (50) with the same load as the load applied to the wiper motor (50) by the linkage of the wipers (231, 232).

[0129] The controller (100) can control the test facility (200) to perform a test while changing the temperature within a maximum temperature range (about 120 degrees).

[0130] The controller (100) can operate the wiper motor (50) according to the type of test, and calculate durability and predict lifespan based on the operating time or number of operations.

[0131] FIG. 6 is a flowchart illustrating a test method of a wiper motor test device according to an embodiment of the present invention.

[0132] As illustrated in FIG. 6, when the wiper motor test device (10) is connected to the test facility (200) to test the wiper motor (50) (S310), the test facility (200) is controlled through the controller (100) to perform a test on the wiper motor (50).

[0133] The controller (100) calls the test data (121) stored in the memory (120) according to the type of test to be performed and applies it to the test facility (200) (S320).

[0134] The controller (100) controls the test facility (200) to supply power from the power supply unit (190) to the wiper motor (50). Accordingly, the wiper motor (50) can operate using the power supplied from the power supply unit (190).

[0135] The controller (100) controls the voltage or current based on the profile data (122) so that the wiper motor (50) operates according to the profile (S340).

[0136] The controller (100) controls the wiper motor (50) to operate by following the current of the profile.

[0137] The controller (100) can set the number of operations and the operating time based on the test type and the predicted lifespan of the wiper motor (50), and can perform the test according to the set number of operations and the operating time.

[0138] The controller (100) can perform the test while changing the number of operations and the operation time based on the test results.

[0139] Additionally, the controller (100) can control the wiper motor (50) to repeat the same operation until it stops. Additionally, the controller (100) can control the same operation to repeat until a specified operation duration.

[0140] The controller (100) can perform a test by changing the load device (230) connected to the wiper motor (50) (S350). The controller (100) can test each by connecting different load devices (230) according to load conditions.

[0141] The controller (100) can test the wiper motor (50) according to the environment (S360).

[0142] For example, the controller (100) can perform the test by controlling the temperature of the test facility (200) according to profile data in the case of a high-temperature test, and controlling the amount of precipitation through the rain device (270) in the case of a rainfall test.

[0143] The controller (100) controls the current of the wiper motor (50) according to the profile data (122) and performs a test by connecting a designated load device (230) under set environmental conditions.

[0144] The sensor (140) measures the voltage and current of the wiper motor (50) during testing (S370).

[0145] Additionally, the sensor (140) can measure the temperature, humidity, moisture, pressure, and speed of the test facility (200) and input them to the controller (100).

[0146] The processor (110) can check whether the test facility (200) is operating according to specified conditions based on data measured from the sensor (140) and can monitor the operation of the wiper motor (50). The processor (110) can output waveforms for the measured current and voltage through the output unit (180).

[0147] The processor (110) measures the operating time and number of operations of the wiper motor (50) according to the type of test and stores them in memory (120).

[0148] The processor (110) calculates the durability and lifespan of the wiper motor (50) based on the stored data (S380).

[0149] The processor (110) can output test results for the calculated durability and lifespan (S390).

[0150] Accordingly, the wiper motor test device and method according to one aspect of the present invention can verify the reliability of the wiper motor and quantify and calculate the lifespan of the wiper motor by performing tests in an environment similar to the actual operating environment, while controlling various climate conditions and load conditions.

[0151] Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely illustrative and those skilled in the art will understand that various modifications and equivalent alternative embodiments are possible therefrom. Accordingly, the true technical scope of protection of the present invention should be determined by the claims below. Explanation of the symbols

[0152] 10: Wiper motor testing device 50: Wiper motor 100: Controller 110: Processor 120: Memory 130: Communication unit 140: Sensor 170: Input section 180: Output section 190: Power supply 200: Test equipment 210: Load measuring device 230: Load device 240: Mounting Jig 261: Window 270: Rain device

Claims

Claim 1 A test facility on which a wiper motor to be tested is installed; a load device connected to the wiper motor; and a controller that sets the load device corresponding to the climate environment and load in which the wiper motor operates according to the type of test, controls the test facility under the same conditions to perform a test on the wiper motor, and calculates the durability of the wiper motor based on data measured during the test; wherein the controller comprises: a plurality of sensors connected to the test facility and the wiper motor to measure their status; and a processor that controls the test facility, monitors the operation of the wiper motor based on data measured through the plurality of sensors, and calculates the durability. A wiper motor test device comprising, wherein the processor applies profile data generated based on current or voltage measured in the actual operating environment of the wiper motor to the test facility, determines whether the voltage and current of the wiper motor measured through the plurality of sensors are identical to the profile data based on the effective output value, and controls the wiper motor to operate by following the profile data. Claim 2 delete Claim 3 delete Claim 4 A wiper motor test device according to claim 1, characterized in that the processor changes the load device according to the operating mode of the wiper motor so that a load identical to the load acting on the wiper motor in an actual operating environment is applied. Claim 5 A wiper motor testing device according to claim 1, wherein the processor analyzes the operating time and number of operations according to the test environment and load conditions based on the test results for the wiper motor, calculates the durability of the wiper motor, and predicts the lifespan of the wiper motor. Claim 6 A wiper motor testing device according to claim 1, wherein the processor predicts the lifespan of the wiper motor to set the number of operations and the operating time, performs a test on the wiper motor according to the number of operations and the operating time, and changes the number of operations and the operating time based on the test results to perform the next test. Claim 7 A wiper motor testing device according to claim 1, wherein the processor performs a test to operate the wiper motor repeatedly until it stops operating or until a specified duration of operation, and calculates the durability based on the operating time and number of operations of the wiper motor. Claim 8 A wiper motor test device according to claim 1, characterized in that the controller performs a rainfall-specific test by connecting a load device of the same load to the wiper motor based on the load acting on the wiper motor according to the rainfall or snowfall amount. Claim 9 A wiper motor testing method comprising: a step of installing a wiper motor to be tested in a test facility and, when a load device is connected to the wiper motor, a controller initiating a test; a step of the controller controlling the test facility under conditions identical to the actual environment in which the wiper motor operates according to the type of test; a step of the controller operating the wiper motor to perform a test; and a step of the controller calculating the durability of the wiper motor based on data measured during the test; wherein, in the step of performing the test, the controller applies profile data generated based on the current or voltage measured in the actual operating environment of the wiper motor to the test facility, determines whether the voltage and current of the wiper motor measured through a plurality of sensors are identical to the profile data based on the effective output value, and controls the wiper motor to operate by following the profile data. Claim 10 A wiper motor test method according to claim 9, characterized in that, in the step of starting the test, the controller controls the connection of the load device having the same load to the wiper motor based on the load acting on the wiper motor according to the amount of rainfall or snowfall. Claim 11 A wiper motor test method according to claim 9, wherein, in the step of starting the test, the controller changes the load device so that a load identical to the load acting on the wiper motor in an actual operating environment acts according to the operating mode of the wiper motor. Claim 12 A wiper motor testing method according to claim 9, wherein, in the step of performing the test, the controller predicts the lifespan of the wiper motor to set the number of operations and the operating time, and performs a test on the wiper motor according to the number of operations and the operating time. Claim 13 delete Claim 14 A wiper motor testing method according to claim 9, wherein, in the step of calculating the durability, the controller calculates the durability based on the operating time and number of operations of the wiper motor. Claim 15 A wiper motor testing method according to claim 9, further comprising: a step of, after the step of calculating the durability, the step of the controller analyzing the operating time and number of operations according to the test environment and load conditions based on the test results for the wiper motor to predict the lifespan of the wiper motor.

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