# US 2021/0333332 A1 · Test Board, Test System and Test Method for Charging Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0333332 A1 - Document ID: US20210333332A1 - Status: Published application - Kind: A1 - Application number: 16/626,262 - Filed: 2018-09-30 - Published: 2021-10-28 - Earliest claimed: 2018-09-30 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Chen Tian - Web page: https://patentgrep.com/patent/US20210333332A1 ## CPC - G01R 31/40: Testing power supplies (testing photovoltaic devices H02S50/10) - G01R 1/02: General constructional details - H01M 10/425: {Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00)} - H01M 10/4285: {Testing apparatus} - H01M 10/482: {for several batteries or cells simultaneously or sequentially} - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 7/80: including monitoring or indicating arrangements - H01M 2010/4278: {Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller} - H02J 2207/30: Charge provided using DC bus or data bus of a computer - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract Embodiments of the present disclosure provide a test system, a test method, and a test board for a charging device. The test board includes: a connecting circuit, configured to be connected to a charging device and a load module respectively, to form a test loop between the charging device and the load module through the connecting circuit; a first communication module, configured to communicate with an upper computer; a second communication module, configured to communicate with the charging device; and a control module, connected to the first communication module and the second communication module respectively, and configured to receive command information sent by the upper computer through the first communication module, and generate a test command according to the command information, to cause the test board or the charging device to execute the test command. ## Claims ### Claim 1 A test board for a charging device, comprising: a connecting circuit, configured to be connected to a charging device and a load module respectively to form a test loop between the charging device and the load module through the connecting circuit; a first communication module, configured to communicate with an upper computer; a second communication module, configured to communicate with the charging device; and a control module, connected to the first communication module and the second communication module respectively, and configured to receive command information sent by the upper computer through the first communication module, and generate a test command according to the command information, to cause the test board or the charging device to execute the test command. ### Claim 2 (depends on 1) The test board according to claim 1, wherein after the test command is executed by the test board or the charging device, the control module is further configured to acquire state information of the charging device, determine a test result of the test command according to the state information of the charging device, and send the test result to the upper computer. ### Claim 3 (depends on 1) The test board according to claim 1, wherein after the test command is executed by the test board or the charging device, the control module is further configured to acquire state information of the charging device, and send the state information of the charging device to the upper computer, to enable the upper computer to determine a test result of the test command according to the state information of the charging device. ### Claim 4 (depends on 1) The test board according to claim 1, wherein when the test command is executed by the test board, the control module is configured to execute an abnormal state indicated by the test command, and collect running state information of the charging device, wherein the running state information is configured to indicate whether the charging device enters a protection state. ### Claim 5 (depends on 1) The test board according to claim 1, wherein when the test command is executed by the charging device, the control module is configured to send the test command to the charging device through the second communication module, and collect output state information of the charging device, wherein the output state information is configured to indicate an output state of the charging device when running according to the test command. ### Claim 6 (depends on 1) The test board according to claim 1, wherein the connecting circuit comprises a first power line and a second power line, a first end of the first power line is connected to a positive electrode of the load module, and a second end of the first power line is connected to a positive power supply line of the charging device; and a first end of the second power line is connected to a negative electrode of the load module, and a second end of the second power line is connected to a negative power supply line of the charging device. ### Claim 7 (depends on 6) The test board according to claim 6, wherein the connecting circuit further comprises a switch tube connected to the first power line or the second power line, a control electrode of the switch tube is connected to the control module, and the control module is configured to control the test loop between the charging device and the load module to turn on or off by controlling the switch tube to be turned on or off. ### Claim 8 (depends on 6) The test board according to claim 6, wherein the connecting circuit further comprises a sampling resistor connected in series on the first power line or the second power line, and both ends of the sampling resistor are connected to the control module. ### Claim 9 (depends on 1) The test board according to claim 1, wherein the load module comprises an electronic load, and the control module is configured to be connected to an external power supply to cause the external power supply to provide power to the control module. ### Claim 10 (depends on 91) The test board according to claim 91, wherein the load module is a programmable power supply, the programmable power supply is configured to provide power supply to the control module. ### Claim 11 (depends on 6) The test board according to claim 6, wherein the second communication module is configured to communicate with the charging device through a first communication line, and the first communication line, the first power line, and the second power line are disposed in a same cable. ### Claim 12 A test system, comprising: a load module; a test board; a charging device, configured to form a test loop with the load module through the test board, and communicate with the test board; and an upper computer, configured to communicate with the test board, wherein the test board is configured to receive command information from the upper computer, and to generate a test command according to the command information, to cause the charging device or the test board to execute the test command. ### Claim 13 A test method for a charging device, comprising: forming a test loop between the charging device and a load through a test board; receiving by the test board, command information sent by an upper computer; generating by the test board, a test command according to the command information; and executing the test command by the charging device or the test board. ### Claim 14 (depends on 13) The test method according to claim 13, after executing the test command by the test board or the charging device, further comprising: acquiring by the test board, state information of the charging device; determining by the test board, a test result of the test command according to the state information of the charging device; and sending by the test board, the test result to the upper computer. ### Claim 15 (depends on 13) The test method according to claim 13, after executing the test command by the test board or the charging device, further comprising: acquiring by the test board, state information of the charging device; sending by the test board, the state information of the charging device to the upper computer; and determining by the upper computer, a test result of the test command according to the state information of the charging device. ### Claim 16 (depends on 13) The test method according to claim 13, wherein executing the test command by the test board comprises: executing by the test board, an abnormal state indicated by the test command; and collecting by the test board, running state information of the charging device, wherein the running state information is configured to indicate whether the charging device enters a protection state. ### Claim 17 (depends on 13) The test method according to claim 13, wherein executing the test command by the charging device comprises: sending by the test board, the test command to the charging device; and collecting by the test board, output state information of the charging device, wherein the output state information is configured to indicate an output state of the charging device when running according to the test command. ### Claim 18 (depends on 12) The test system according to claim 12, wherein the charging device is an adapter, a power bank, or a car charger. ### Claim 19 (depends on 1) The test board according to claim 1, wherein the command information is configured to indicate a test type, the test type comprising a power consumption test, an over voltage test, an over temperature test and a path impedance test. ### Claim 20 (depends on 11) The test board according to claim 11, wherein the cable is a USB cable or a Type-C cable.