KR20240064063A - Performance tester that can test various performance of smartphone with one device - Google Patents

Abstract

The present invention relates to a performance tester that can test various performances of a smartphone with one device.

Description

Performance tester that can test various performances of a smartphone with one device {PERFORMANCE TESTER THAT CAN TEST VARIOUS PERFORMANCE OF SMARTPHONE WITH ONE DEVICE}

The present invention relates to a performance tester that can test various performances of a smartphone with one device.

Recently, the so-called 4th industrial revolution based on hyper-connectivity is defined as an intelligent revolution that combines existing manufacturing and ICT technologies. In this revolutionary technological trend, various types of equipment are becoming electronic modular.

Accordingly, the stability of mutual communication is emerging in smartphones for IoT, that is, networking transmission and reception between terminals, and in addition, the issue that electrical and electronic stability is a prerequisite between modules that make up smartphones is emerging.

Thanks to this tsunami of technological trends, the market for inspection equipment for electrical safety inspection and performance inspection of each electronic product, electronic component, and electronic module of smartphones, as well as inspection of component wiring as well as the stability of communication functions, etc. It is expected to grow significantly.

Accordingly, technical maturity for performance testing of smartphones is required, but such performance testing equipment is only being used in one-off and individual attempts.

In other words, in the case of existing prior art, there are problems that cannot escape the technical framework of conventional individual performance testing.

Specifically, there are problems such as that it only has a function to check the communication function, that it only has a function that can check ground resistance, or that it can only check whether the power consumption is rated. From the perspective of a company conducting performance tests, the equipment in question only has one specific function, and the performance tests of electronic equipment that can be performed through the equipment are very limited. As a result, the Internet of Things (IoT) changes rapidly over time. There was a problem of very poor adaptability to things (Things), ICT (Information & Communication Technology) modules, and parts.

The problem that the present invention aims to solve is to provide a performance tester that can test various performances of a smartphone with one device.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned can be clearly understood by those skilled in the art from the description below.

The performance tester of the present invention to solve the above-described problem is a system for testing the performance of a plurality of smartphones, and applies power to the smartphones to prepare modules to be inspected in the smartphones to a test preparation stage. a power application unit for setting; a queuing unit that recognizes a temporal sequence set to an inspection preparation stage among the modules to be inspected and orders the inspection progress order of the modules to be inspected according to the temporal sequence; According to the order of inspection ordered by the queuing unit, 1) leakage current inspection, 2) ground bonding inspection, 3) insulation resistance inspection, or 4) withstand voltage of the modules to be inspected. (withstanding voltage) A safety inspection unit that simultaneously performs a plurality of inspections during inspection; Depending on the order of test progress ordered by the queuing unit, multiple tests of the test target modules: 1) starting current test, 2) total consumption, power test, 3) functional power consumption test, or 4) RF leakage test are performed simultaneously. a performance inspection unit; a wiring inspection unit that simultaneously performs a missing wiring test or a non-operational test of the modules to be inspected according to the test progress order ordered by the queuing unit; a communication inspection unit that selectively performs a communication operation inspection or a sensor operation inspection of the modules to be inspected according to the inspection progress order ordered by the queuing unit; Receiving test results from the safety test unit, the performance test unit, the wiring test unit, or the communication test unit, comparing the test results with a pre-stored default setting value, and then determining the result to recognize whether the test result is normal or not. unit; A storage unit that receives and stores information about whether the test result is normal or not from the result determination unit, wherein the leakage current test of the safety test unit includes an EMI (Electromagnetic Interference) Filter connected to the test target module. When applied, the leakage current measured through the EMI Filter is set to 0.5 mA or less, and when the EMI Filter is not applied, the leakage current measured can be set to 0.75 mA or less.

The performance tester of the present invention configured as described above has the following effects.

First, it provides the effect of allowing multiple inspections to be performed simultaneously through one system even when multiple inspections are required for one inspection target module.

Second, by performing multiple tests on the module to be inspected, the introduction of the system allows the system to be used without the need for system changes even when the module to be inspected changes and the function to be inspected changes.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

Figure 1 is a block diagram showing each configuration of the performance tester of the present invention.
Figure 2 is the main screen for executing the performance checker of the present invention.
Figure 3 is a manual control screen for executing the performance checker of the present invention.
Figure 4 is the initial screen of the inspection process running the performance tester of the present invention.
Figure 5 is a circuit diagram for testing leakage current of a safety inspection unit, which is a component of the performance tester of the present invention.
Figure 6 is a circuit diagram for a ground resistance test of a safety test unit, which is a component of the performance tester of the present invention.
Figure 7 is a circuit diagram for an insulation resistance test of a safety test unit, which is a component of the performance tester of the present invention.
Figure 8 is a circuit diagram for a withstand voltage test of a safety inspection unit, which is a component of the performance tester of the present invention.
Figure 9 is a preferred conceptual diagram of a safety inspection unit, which is a component of the performance tester of the present invention.
10 and 9 are circuit diagrams according to a preferred embodiment of the electrical safety inspection instrument.
FIG. 11 is a preferred circuit diagram of the power selector of the electrical safety inspection instrument of FIG. 9.
Figure 12 is an example screen of the execution of the wiring inspection unit, which is a component of the performance tester of the present invention.
Figure 13 is a preferred conceptual diagram of a wiring inspection unit, which is a component of the performance tester of the present invention.
Figure 14 is a preferred circuit diagram of a wiring inspection unit, which is a component of the performance tester of the present invention.
Figure 15 is a model setting GUI of a wiring inspection unit, which is a component of the performance tester of the present invention.
FIG. 16 is a diagram for explaining the detailed items of FIG. 15.
FIG. 17 is a graph showing automatic setting of inspection specifications using the latest inspection graph of FIG. 15 and the inspection data stored therein.
18 is a GUI of a wiring inspection unit, which is a component of the performance tester of the present invention.
Figure 19 is an example screen of a performance test unit, which is a component of the performance tester of the present invention.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms. The present embodiments are merely provided to ensure that the disclosure of the present invention is complete and to provide a general understanding of the technical field to which the present invention pertains. It is provided to fully inform the skilled person of the scope of the present invention, and the present invention is only defined by the scope of the claims.

The terminology used herein is for describing embodiments and is not intended to limit the invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other elements in addition to the mentioned elements. Like reference numerals refer to like elements throughout the specification, and “and/or” includes each and every combination of one or more of the referenced elements. Although “first”, “second”, etc. are used to describe various components, these components are of course not limited by these terms. These terms are merely used to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may also be a second component within the technical spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used with meanings commonly understood by those skilled in the art to which the present invention pertains. Additionally, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless clearly specifically defined.

In the case of the main screen according to the preferred embodiment according to FIG. 2, information on each section, such as status (waiting, inspecting, pass, fail, pass) is presented, and information on the current model (barcode, model name, power specifications) is presented. Information can also be presented.

In addition, the screen in FIG. 2 presents information about normal/abnormal status of the system, such as communication status or operation status.

Additionally, the screen in FIG. 2 can display the latest error message, a status control screen for starting/stopping the autopsy system, and information on the system's progress time, the version of the current program, and the execution date and time of the most recent program.

In the case of Figure 3, as described above, it is a manual control screen. In this screen, the I/O list, the initial setting status of each instrument, information on offset settings for each cell/product, as well as input relay (Input Relay) can also include guidance information on manual control, etc.

To this end, as shown in FIG. 2, the performance tester of the present invention includes a power supply unit 110, a queuing unit 120, a safety test unit 130, a performance test unit 150, and a wiring test unit. 160, it may include a communication test unit 170, a result determination unit 180, and a storage unit 190.

As shown in FIG. 1, the safety inspection unit 130, performance inspection unit 150, wiring inspection unit 160, communication inspection unit 170, etc. can be selected and executed selectively and simultaneously. am.

In addition, the results according to the determination result unit 180 are fed back to the queuing unit 120, so that they are reflected again in the ordering of the queuing unit 120, so that functions that need to be re-examined first can be performed first. do.

First, the power application unit 110 is configured to apply power to smartphones (modules to be inspected).

After applying power to the modules to be inspected, the power application unit 110 enters a preparation stage for safety, performance, wiring, and communication inspection.

In the case of the queuing unit (120) of the performance tester according to the present invention, the temporal order in which these test target modules to which power is applied is set to the preparation stage is sequentially recognized, and the test progress order of these test target modules is ordered.

The queuing unit 120 may automatically order modules to be inspected that have entered the preparation phase in chronological order according to the order in which they are ready for inspection, and the order may be changed at the discretion of the administrator.

The safety test unit 130 of the performance tester according to the present invention can perform a leakage current test. As shown in FIG. 5, when an EMI (Electromagnetic Interference) Filter connected to the module to be tested is applied, the EMI Filter The leakage current measured through can be set to 0.5mA or less. If the EMI Filter is not applied, the measured leakage current can be set to 0.75mA or less.

In the case of leakage current tested by the safety inspection unit 130, it may be Earth, Enclosure, Patient, Patient Auxiliary, etc.

Leakage current can be tested by measuring the steady-state current flowing through insulators, etc., and the leakage current flowing through the human body when the user touches the conductor part exposed to the outside of the product when the product is actually powered and operating. Human body RC network (refer to human body RC network) is mainly inspected to determine whether it is safe.

The safety test unit 130 of the performance tester according to the present invention may perform a ground resistance test, as shown in FIG. 6.

The ground resistance test of the safety inspection unit 130 applies a high current source of 25A or more to the ground electrode of the module to be inspected, and applies a Kelvin sensor to the ground electrode to determine the ground resistance of the module to be inspected. This can be checked by measuring whether it is smaller than 100m Ω.

In addition, the safety test unit 130 of the performance tester according to the present invention can perform an insulation resistance test, as shown in FIG. 8.

In the case of the insulation resistance test of the safety inspection unit 130, after applying DC power to the module to be inspected, measuring the current generated in the module to be inspected, calculating the insulation resistance value of the module to be inspected, It is measured whether the value is greater than 10M Ω.

The safety test unit 130 of the performance tester according to the present invention can also perform a withstand voltage test, as shown in FIG. 8.

In the case of a withstand voltage test of the safety inspection unit 130, after applying AC power to the module to be inspected, it is measured whether the current generated in the module to be inspected is 10 mA or less.

In the case of the withstand voltage test in Figure 8, if the module to be tested (see Appliance) is an AC product, less than 10 mA per second must flow at the standard 1500 Vac, and if it is a DC product, less than 10 mA per second must flow at the standard 2500 Vac.

Referring to Figure 9, it conceptually illustrates the items and methods of safety inspection.

The area of the load and multi-outlet on the left is the input area, the center is the area of the electrical safety inspection measuring instrument, and the area on the right is the output area.

In the case of a safety inspection measuring instrument, it can be 1 PC according to a 2-row line configuration and can be configured with a 2-section sequential control specification. In the case of one PC, it may have a built-in JIG for daily calibration inspection.

For the convenience of replacing the ground rod, it is configured with a terminal connection and can be attached to the measurement area using a magnet.

The circuit diagram of the electrical safety inspection measuring instrument may be configured as shown in FIG. 10, and the selector circuit diagram of the power source of the electrical safety inspection measuring instrument may be configured as shown in FIG. 11.

In the case of the performance test unit 150 of the performance tester according to the present invention, a DMM (Digital Multi Meter) is applied to the module to be tested to which power is applied, and the power consumption of the module to be tested is measured at intervals of 0.5 to 1.0 seconds. , it is measured whether the measured power consumption meets preset specifications over time.

Depending on the test progress order ordered by the queuing unit 120, multiple tests can be performed simultaneously among the following: 1) starting current test, 2) total power consumption test, 3) functional power consumption test, or 4) RF leakage test of the modules to be tested. You can.

The performance inspection unit 150 inspects the state of the finished product and performs inspection to ensure quality, and determines the product's function, operating state, and driving state based on power consumption.

The test principle of the performance test unit 150 is to apply power to the product, measure the power consumption and operating current using a power meter, record the status of each function, and make a decision.

In the case of the performance test unit 150, the operational specifications of electrical components can be tested, for example, by directly operating the smartphone for 10 to 20 seconds. At this time, the data measurement interval is set to 0.5 to 1.0 seconds.

Afterwards, data is recorded at intervals of 0.5 to 1.0 seconds and compared with the power consumption judgment standard to determine whether it matches or does not match.

Judgment criteria and judgment time settings can be set or added in the model management program.

In the case of the wiring inspection unit 160 of the performance tester according to the present invention, a missing wiring test or a non-operational test is simultaneously performed on modules to be tested according to the test progress order ordered by the queuing unit 120.

The wiring inspection unit 160 of the performance tester according to the present invention provides an electrical and electronic measuring instrument (oscilloscope) to the module to be inspected to which power is applied, and then measures the power consumption of the module to be inspected at intervals of 0.02 to 0.03 seconds. After calculating the maximum, minimum, and average values of the consumed power, it is measured whether the consumed power meets the preset default value over time.

In more detail, as shown in FIGS. 12 and 13, in the case of the wiring inspection unit 160, after providing an electrical and electronic measuring instrument (oscilloscope) to the module to be inspected to which power is applied, the power consumption of the module to be inspected is measured. Measurements are made at intervals of 0.02 to 0.03 seconds, the maximum, minimum, and average values of the measured power consumption are calculated, and then it is measured whether the power consumption meets the preset default value over time.

The circuit of the performance tester for component wiring inspection can be implemented as shown in FIG. 14.

As shown in FIG. 15, the area (1) is a model registration list, and this model registration list displays a list of registered models.

In the case of area (2) in FIG. 15, model information is presented, including model name and model code.

In the case of the area in (3) of Figure 15, the measurement is set, and the inspection start signal graph current or power specifications are set.

In the case of the area (4) in FIG. 15, it is an inspection settings graph. It displays the measurement graph, measurement range for each inspection, as well as location and time.

In the case of area (5) in Figure 15, it is a checklist. In (5), all inspection items are displayed.

In the case of (6) in Figure 15, it is an inspection setting item, and the inspection method/range/measurement time is set.

In the case of (7) in FIG. 15, it is manual inspection control. In (7), the graph can be updated by performing a manual inspection.

(8) in Figure 15 is a selection section display. (6) The specifications selected from the items are displayed.

In the case of (9) in Figure 15, it is a graph loading. Loads the most recent inspection date graph.

In the case of (10) in Figure 15, the inspection order is changed, and the inspection order of item (6) can be changed or deleted.

Figure 16 shows the model setting GUI of the performance inspection instrument.

In addition to explanations and time comparison graphs for each mode, you can check the max specifications, minimum specifications, starting time, ending time, and even whether to skip in test mode.

These results can be presented as a recent inspection graph (top) as shown in FIG. 17 or a graph (bottom) that automatically sets inspection specifications using stored inspection data.

Roughly speaking, the inspection GUI of the component wiring inspector can be implemented as shown in Figure 18. Before powering on the product, it is possible to check whether the AVR power supply meets the model power specifications and then power on the product to protect the product.

The communication test unit 170 of the integrated performance test system for electronic devices according to the present invention selectively performs a communication operation test or a sensor operation test of modules to be tested according to the test progress order ordered by the queuing unit 120. do.

The result determination unit 180 of the integrated performance test system for electronic devices according to the present invention receives test results from the safety test unit 130, performance test unit 150, wiring test unit 160, or communication test unit 170. receive them.

The result determination unit 180 of the integrated performance test system for electronic devices according to the present invention compares the test results with pre-stored default settings and recognizes whether the test results are normal.

In addition, in the case of the storage unit 190 of the integrated performance test system for electronic devices according to the present invention, information on whether the test result is normal or not is received and stored from the result determination unit 180.

Above, embodiments of the present invention have been described with reference to the attached drawings, but those skilled in the art will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. You will be able to understand it. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive.

Claims (1)

In a system for testing the performance of a plurality of electronic devices,
a power application unit that applies power to the electronic devices to set test target modules in the electronic devices to a test preparation stage;
a queuing unit that recognizes a temporal sequence set to an inspection preparation stage among the modules to be inspected and orders the inspection progress order of the modules to be inspected according to the temporal sequence;
According to the order of inspection ordered by the queuing unit, 1) leakage current inspection, 2) ground bonding inspection, 3) insulation resistance inspection, or 4) withstand voltage of the modules to be inspected. (withstanding voltage) A safety inspection unit that simultaneously performs a plurality of inspections during inspection;
Depending on the order of test progress ordered by the queuing unit, multiple tests of the test target modules: 1) starting current test, 2) total consumption, power test, 3) functional power consumption test, or 4) RF leakage test are performed simultaneously. a performance inspection unit;
a wiring inspection unit that simultaneously performs a missing wiring test or a non-operational test of the modules to be inspected according to the test progress order ordered by the queuing unit;
a communication inspection unit that selectively performs a communication operation inspection or a sensor operation inspection of the modules to be inspected according to the inspection progress order ordered by the queuing unit;
Receiving test results from the safety test unit, the performance test unit, the wiring test unit, or the communication test unit, comparing the test results with a pre-stored default setting value, and then determining whether the test result is normal or not. unit; and
A storage unit that receives and stores information about whether the test result is normal or not from the result determination unit,
The leakage current test of the safety inspection unit is a performance tester characterized in that when an EMI (Electromagnetic Interference) Filter connected to the module to be inspected is applied, the leakage current measured through the EMI Filter is set to 0.5 mA or less. .