CN116540121A - Automatic testing system for portable products with rechargeable batteries and using method thereof - Google Patents
Automatic testing system for portable products with rechargeable batteries and using method thereof Download PDFInfo
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- CN116540121A CN116540121A CN202310509374.5A CN202310509374A CN116540121A CN 116540121 A CN116540121 A CN 116540121A CN 202310509374 A CN202310509374 A CN 202310509374A CN 116540121 A CN116540121 A CN 116540121A
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- 238000012360 testing method Methods 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims description 30
- 238000001073 sample cooling Methods 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims description 18
- 238000009783 overcharge test Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 44
- 238000010586 diagram Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 9
- 238000010998 test method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides an automatic testing system for portable products with rechargeable batteries, which comprises: the system comprises a STAS-PLUS subsystem, an alternating current programmable power supply, a direct current programmable power supply, an electric parameter tester, a temperature rise recorder, a double-channel direct current tester, an electronic load, a multifunctional power supply control device, a load battery switching device and a sample cooling device, wherein the alternating current programmable power supply, the direct current programmable power supply, the electric parameter tester, the temperature rise recorder, the double-channel direct current tester, the electronic load and the multifunctional power supply control device are connected with the STAS-PLUS subsystem. According to the invention, the STAS-PLUS subsystem is arranged, and the parameters and the test flow of each device are set by using the STAS-PLUS subsystem, so that the test of the product to be tested can be automated, and the efficiency and the accuracy of the product test are improved.
Description
Technical Field
The invention relates to the field of automatic testing, in particular to an automatic testing system for portable products with rechargeable batteries and a using method thereof.
Background
In the current electrical safety detection process of portable products (mobile phones, tablets, notebook computers and the like) with rechargeable batteries, as the working modes of the products are complex, the input of a plurality of products is Type-c port power supply, the Type-c port can be generally used as the input port of a power supply in combination with the use scene of the products, meanwhile, the portable products can also be used as the output port (plug-and-play OTG) function of the power supply in different working modes, the parameter measurement and temperature rise measurement modes under the normal working conditions comprise a charging mode, a discharging mode, a charging-while-working mode and the like, the fault mode comprises overload test of terminals, short circuit test, fault test of components, overcharge test of the batteries and the like, the equipment and test samples are required to be configured in each working mode, the input voltage, current, power, battery voltage, current and other data output by the terminals are required to be recorded in the test process, the test staff can manually record all electrical parameter data according to the parameters displayed on the equipment, judge whether the test can be stopped or not, and manually stop the test, and when the next test is carried out, the test is required to carry out, the test staff is required to have high requirements on the test quality and the test staff and the test quality.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an automatic testing system for a portable product with a rechargeable battery and a using method thereof, and solves the problems that the portable product with the rechargeable battery in the prior art has high dependence on testers, low testing efficiency and inaccurate and complex testing in the electric safety detection process.
In order to achieve the above object, the present invention provides the following solutions:
an automated testing system for portable products with rechargeable batteries, comprising:
the system comprises a STAS-PLUS subsystem, an alternating current programmable power supply, a direct current programmable power supply, an electric parameter tester, a temperature rise recorder, a double-channel direct current tester, an electronic load, a multifunctional power supply control device, a load battery switching device and a sample cooling device, wherein the alternating current programmable power supply, the direct current programmable power supply, the electric parameter tester, the temperature rise recorder, the double-channel direct current tester, the electronic load and the multifunctional power supply control device are connected with the STAS-PLUS subsystem.
The output end of the alternating current programmable power supply, the output end of the direct current programmable power supply and the output end of the electric parameter tester are connected with the input end of the multifunctional power supply control device; the output end of the multifunctional power supply control device is respectively connected with the input end of the electric parameter tester and the input end of the power supply adapter of the product to be tested; the output end of the power adapter of the product to be tested is sequentially connected with a first channel of the dual-channel direct current tester and the input end of the load battery switching device; the method comprises the steps of carrying out a first treatment on the surface of the The output end of the load battery switching device is connected with the input end of the product to be tested, and the output end of the product to be tested is connected with the electronic load; the battery of the product to be tested is connected with a second channel of the double-channel direct current tester;
the STAS-PLUS subsystem is used for setting an alternating current programmable power supply, a direct current programmable power supply, an electric parameter tester, a temperature rise recorder, a double-channel direct current tester, an electronic load and a multifunctional power supply control device for collecting parameters and data, testing requirements and issuing instructions to the alternating current programmable power supply, the direct current programmable power supply, the electric parameter tester, the temperature rise recorder, the double-channel direct current tester, the electronic load and the multifunctional power supply control device; the power adapter of the product to be tested is used for providing power for the product to be tested; the dual-channel direct current tester is used for testing the electrical parameters output by the power adapter of the product to be tested; the load battery switching device is used for switching the power supply of the tested product with the load, switching the input power supply when the tested product is charged, and switching the output of the battery and the load when the tested product is discharged; the temperature rise recorder is used for collecting a heating temperature value in the working of a test sample; the sample cooling device is used for cooling the product to be tested; the multifunctional power supply control device is used for supplying power to the power supply adapter and controlling the battery load switching device and the sample cooling device according to the STAS-PLUS subsystem instruction.
Preferably, the multifunctional power supply control device includes:
the multifunctional power supply control device converts the STAS-PLUS subsystem instruction signals into 16 paths of IO control signals through internal conversion, wherein 1-4 paths of IO control signals are used for internal control, and the rest IO control signals are used for controlling the on-off of the battery load switching device and the sample cooling device.
Preferably, the internal control includes:
the types of the alternating current power supply and the direct current power supply are the same as the output switching control.
A method of using an automated test system for portable products with rechargeable batteries, comprising:
obtaining a product to be tested, measuring the electrical parameters of the product to be tested, and placing the product to be tested on a system test bench for preparation test;
setting a test flow according to the electrical parameters of the product to be tested so as to complete multiple mode tests;
recording measurement parameters generated by the test;
and generating a test report according to the measurement parameters.
Preferably, the electrical parameters of the product to be tested include:
input voltage, current, power and frequency of the product to be tested.
Preferably, the multiple mode test includes:
measurement in a charging mode, measurement in a discharging mode, measurement in a charging-while-working mode, overcharge test under full battery charge, overcharge test under empty battery charge, terminal overload test, and terminal short circuit test.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides an automatic testing system for portable products with rechargeable batteries, which is characterized in that parameters and testing flows of all devices are set by using a STAS-PLUS subsystem through setting the STAS-PLUS subsystem, so that the testing of products to be tested can be automated, and the efficiency and the accuracy of the product testing are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram of an automated test system for a portable product with a rechargeable battery according to an embodiment of the present invention;
fig. 2 is a first structural diagram of a multifunctional power control device according to an embodiment of the present invention;
FIG. 3 is a second block diagram of the multifunctional power control device according to the embodiment of the present invention;
FIG. 4 is a flowchart of a method for using an automated test system according to an embodiment of the present invention;
FIG. 5 is a flow chart of an automated test provided by an embodiment of the present invention; wherein, (a) is an automatic test flow pattern diagram, (b) is a first mode flow diagram, (c) is a second mode flow diagram, (d) is a third mode flow diagram, (e) is a fourth mode flow diagram, (f) is a fifth mode flow diagram, (g) is a sixth mode flow diagram, (h) is a seventh mode flow diagram, and (i) is an eighth mode flow diagram;
FIG. 6 is a schematic diagram of a comparison of time occupied by a tester according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of test item cycle alignment according to an embodiment of the present invention.
Description of the drawings:
1-alternating current programmable power supply, 2-direct current programmable power supply, 3-multifunctional power supply control device, 4-electric parameter tester, 5-binary channel direct current tester, 6-load battery switching device, 7-temperature rise recorder, 8-electronic load, 9-STAS-PLUS subsystem, 10-sample cooling device, 11-product to be tested and 12-product adapter to be tested.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an automatic testing system for portable products with rechargeable batteries and a using method thereof, and solves the problems that in the prior art, the portable products with rechargeable batteries have high dependence on testers, low testing efficiency and inaccurate and complex testing in the electric safety detection process.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the present invention provides an automated testing system for portable products with rechargeable batteries, comprising:
the system comprises a STAS-PLUS subsystem 9, an alternating current programmable power supply 1, a direct current programmable power supply 2, an electric parameter tester 4, a temperature rise recorder 7, a double-channel direct current tester 5, an electronic load 8, a multifunctional power supply control device 3, a display, a keyboard mouse, a load battery switching device 6 connected with the multifunctional power supply control device 3 and a sample cooling device 10, wherein the alternating current programmable power supply 1, the direct current programmable power supply 2, the electric parameter tester 4, the temperature rise recorder 7, the double-channel direct current tester 5, the electronic load 8, the multifunctional power supply control device 3, the display, the keyboard mouse and the load battery switching device 6 connected with the multifunctional power supply control device 3.
The load battery switching device 6 and the sample cooling device 10 are respectively connected with the multifunctional power supply control device 3; the output end of the alternating current programmable power supply 1, the output end of the direct current programmable power supply 2 and the output end of the electric parameter tester 4 are connected with the input end of the multifunctional power supply control device 3; the output end of the multifunctional power supply control device 3 is respectively connected with the input end of the electric parameter tester 4 and the input end of the power supply adapter 12 of the product to be tested; the output end of the power adapter 12 of the product to be tested is sequentially connected with the first channel of the double-channel direct current tester 5 and the input end of the load battery switching device 6; the output end of the load battery switching device 6 is connected with the input end of the product 11 to be tested, and the output end of the product 11 to be tested is connected with the electronic load 8; the battery of the product 11 to be tested is connected with the second channel of the double-channel direct current tester 5; the alternating current programmable power supply 1 and the direct current programmable power supply 2 adopt a parallel connection mode, and the system selects the corresponding power supply type according to the input voltage characteristic of the test sample to be produced and outputs the power supply type to the multifunctional power supply control device 3; the temperature rise recorder 7 is connected to the part of the test sample, at which the temperature is measured;
the STAS-PLUS subsystem 9 is used for setting parameters of an alternating current programmable power supply 1, a direct current programmable power supply 2, an electric parameter tester 4, a temperature rise recorder 7, a double-channel direct current tester 5, an electronic load 8 and a multifunctional power supply control device 3, and issuing instructions to the alternating current programmable power supply 1, the direct current programmable power supply 2, the electric parameter tester 4, the temperature rise recorder 7, the double-channel direct current tester 5, the electronic load 8 and the multifunctional power supply control device 3 according to test requirements; the power adapter 12 of the product to be tested is used for providing power for the product to be tested; the dual-channel direct current tester 5 is used for testing the electrical parameters output by the power adapter 12 of the product to be tested; the load battery switching device is used for switching the power supply of the tested product with the load, switching the input power supply when the tested product is charged, and switching the output of the battery and the load when the tested product is discharged; the temperature rise recorder 7 is used for collecting a heating temperature value in the working of a test sample; the sample cooling device 10 is used for cooling the product 11 to be tested; the multifunctional power control device 3 is used for controlling the battery load switching device and the sample cooling device 10 according to the instructions of the STAS-PLUS subsystem 9.
The specific connection mode comprises the following steps: the system communication connection, the external control connection of the multifunctional power supply control device 3, the product power supply connection and the connection of the product to be tested;
and (3) system communication connection: the system comprises an alternating current programmable power supply, a direct current programmable power supply 2, an electric parameter tester 4, a temperature rise recorder 7, a double-channel direct current tester 5 and an electronic load 8, wherein the electronic load 8 is connected with a communication port of a STAS-PLUS system through a communication port outside the equipment, and the multifunctional power supply control device 3 is connected with the STAS-PLUS system through a network port to realize the communication between the STAS-PLUS system and the equipment, and data acquisition and control;
the multifunctional power supply control device 3 is externally connected with: the load battery switching device 6 and the sample cooling device 10 are connected with the multifunctional power supply control device 3 through IO to realize the function switching and the on-off control of the cooling device.
And (3) connecting a product power supply: the output of the alternating current programmable power supply 1 and the direct current programmable power supply 2 is connected to the input end of the multifunctional power supply control device 3, the output of the multifunctional power supply control device 3 is connected to the input end of the electric parameter tester 4, and the output end returns to the multifunctional power supply control device 3, and the multifunctional power supply control device 3 outputs the power to supply power to the product;
the product to be measured 11 is connected: the power supply adapter of the product is connected to the output end of the multifunctional power supply control device 3, the output of the power supply adapter is connected with one channel of the double-channel direct current tester 5, and then the power supply adapter is connected to the input end of the load battery switching device 6, and the output end of the load battery switching device 6 is connected to the input of the product. The battery of the product is connected with one channel of the double-channel direct current tester 5, and the output terminal of the product is connected with the electronic load 8
Specifically, the electrical parameters of the product to be measured 11 include:
the input voltage, current, power, frequency of the product under test 11, and the voltage, current of the battery inside the product under test 11.
The system issues commands to the equipment through STAS-PLUS system software, action control and data collection and analysis are carried out, and the testing state is judged according to logic.
The system operation control specifically comprises:
the STAS-PLUS system sets parameters according to software, and tests requirements, and performs data real-time acquisition and control on an external equipment device. The method comprises the steps of setting parameters such as voltage parameters and test frequency of an alternating current programmable power supply 1 and a direct current programmable power supply 2, selecting a needed power supply Type (alternating current and direct current) from a multifunctional power supply control device 3 through a STAS-PLUS, controlling output, connecting a power supply adapter of a test sample to an output end of an electric parameter meter, measuring input voltage, current, power, frequency and other electric parameter data of the sample, connecting an output of the adapter to a dual-channel direct current tester 5, measuring direct current voltage, current and power parameters output by the adapter, connecting the dual-channel output end to an input end of a load battery switching device 6, connecting an output end of the load battery switching device 6 to an input end of the test sample, supplying power to a final sample, controlling an external battery terminal of the load battery switching device 6 to be connected with a positive electrode and a negative electrode of the battery inside the test sample, automatically switching the battery and a product input terminal (Type C) to serve as output ends through an electronic load 8 connected with the load, acquiring a heating temperature value in the test sample work, and if the test sample is still provided with the power supply terminal output, carrying the test sample, carrying the electronic load 8 is connected to simulate the load 8, carrying and carrying out the test sample, cooling flow is completed, and the test is completed between the two test samples.
Further, the multifunctional power control device comprises:
the functional power control device is controlled through a communication network port of the STAS-PLUS, and the multifunctional power control device converts the STAS-PLUS subsystem 9 instruction signals into 16 paths of IO control signals through internal conversion, wherein 1-4 paths of IO control signals are used for internal control, and the other IO control signals are used for controlling the on-off of the battery load switching device and the sample cooling device 10.
STAS-PLUS is controlled by communication between an RJ11 communication network port and a multifunctional power supply switching control device, the multifunctional power supply switching control device is internally converted into 24V IO signals, IO1 is connected to a control coil of K1 and is connected to a normally-closed contact of K3 in series, IO2 is connected to a control coil of K2 and a control coil of K3, the control coil of K2 is connected to a normally-open contact of K3 in series, and the normally-open contact of a control relay K3 is used for realizing the function of selecting and interlocking an alternating current programmable power supply 1 and a direct current programmable power supply 2. And then the voltage is detected by the electrical parameter tester 4, the IO3 controls the on-off of the relay K4, the IO4 controls the on-off of the relay K5, and the test power supply is supplied to the test sample.
Specifically, the internal control includes:
and controlling the input of the alternating current power supply and the direct current power supply. As shown in fig. 2-3: the multifunctional power supply control device 3 is shown in the figure, K is a relay, wherein IO1 control K1 is AC power supply control, IO2 control K2 is DC power supply control, IO2 control K3 is K1/K2 physical interlocking control, AC and DC power supplies are prevented from being input simultaneously, and IO3, IO4 control K4 and K5 are two-way output control. The input switching of different power supplies is realized, and the input switching of different power supplies and the output of two paths are respectively controlled. IO5 controls the on-off of the internal relay, and realizes the control of the sample cooling device 10.
According to a test flow in an automated test method for portable products with rechargeable batteries, controlling an automated system for portable products with rechargeable batteries, wherein the test under charging conditions comprises (discharge-while-charge mode, normal test under charging mode, overcharge test under full charge, overcharge test under empty charge) implementation method: the STAS-PLUS is connected with an alternating current programmable power supply 1, a direct current programmable power supply 2, an electric parameter tester 4, a double-channel direct current tester 5 and an electronic load 8 through a communication port RS232, so that parameter setting and data acquisition are realized; the STAS-PLUS is communicated with the multifunctional power supply control device 3 through an RJ45 communication port, the sample cooling device 10 and the temperature rise recorder 7 realize switching of power supply and sample cooling, and the same-temperature rise data are acquired; the multifunctional power supply switching device 3 realizes the conversion of charging or discharging of the sample through the IO and load battery switching device 6.
According to a test flow in an automated test method for portable products with rechargeable batteries, the tests under discharge conditions include (overload test in discharge mode, terminal short circuit test in discharge mode, normal test in discharge mode) implementation methods: the STAS-PLUS is communicated with the double-channel direct current tester 5 and the electronic load 8 through RS232 to set and collect parameters, the STAS-PLUS is communicated with the multifunctional power supply control device 3 through an RJ45 communication port, the sample cooling device 10 and the temperature rise recorder 7 are used for disconnecting a power supply input power supply and cooling samples, and collecting temperature rise data; the multifunctional power supply switching device 3 realizes the conversion of charging or discharging of the sample through the IO and load battery switching device 6.
As shown in fig. 4, the embodiment further specifically discloses a use method of an automatic test system for portable products with rechargeable batteries, which comprises the following steps:
step 100: obtaining a product 11 to be tested, measuring the electrical parameters of the product 11 to be tested, and placing the product 11 to be tested on a system test bench for preparation test;
step 200: setting a test flow according to the electrical parameters of the product 11 to be tested so as to complete multiple mode tests;
step 300: recording measurement parameters generated by the test;
step 400: and generating a test report according to the measurement parameters.
Specifically, the measuring the electrical parameter of the product 11 to be measured and the temperature data of the product 11 to be measured includes:
the electric parameter tester measures the input voltage parameter, the current parameter and the power parameter of the adapter of the test product, the two-channel direct current tester measures the direct current input voltage parameter, the current parameter and the power parameter of the test product, and the two-channel direct current tester measures the voltage parameter and the current parameter of the battery inside the test sample. And the temperature rise recorder is used for measuring the heating temperature of the test product.
The early stage preparation before testing, the tester need to dismantle the sample, paste the position that needs to detect with the thermocouple probe of measuring temperature to break off the positive pole of the inside battery of product, and the extension is connected to the binary channels direct current tester 5 of system, measures the current parameter of battery, and the negative pole line extension of battery connects the negative terminal at binary channels direct current tester 5 for measure the voltage parameter of battery, and assembled sample is placed on the system testboard and is ready to test.
And connecting the system equipment, starting up, configuring test parameters in the system test software and the test flow, and running the test software. The system automatically completes the following tests (measurement in a charging mode, measurement in a discharging mode, measurement in a charging-while-working mode, overcharge test under full battery, overcharge test under empty battery, terminal overload test, terminal short circuit test and the like) according to the set parameters and the test flow in the selected test method, automatically records the measured parameters in each test process, judges the test state according to the measured data, completes the test, and automatically generates a required test report.
The test flow in the specific test method is as shown in fig. 3:
1): the normal measurement of the charge-discharge mode is carried out simultaneously, system software sends an instruction to an alternating current programmable power supply 1 or a direct current programmable power supply 2 through a STAS-PLUS, test voltage is set, a multifunctional power supply control device 3 is controlled, output voltage is supplied to an electric parameter tester 4, a power adapter of a test sample is supplied with power, direct current input parameters of a product are measured through a double-channel direct current tester 5, a load battery switching device 6 is switched to an input end to supply power for the product, a temperature rise recorder 7 records the heating temperature of the sample until the sample is fully charged, and the system stores temperature rise and electric parameter data. The STAS-PLUS controls the multifunctional power control device 3 to disconnect the AC programmable power supply 1, stop supplying power to the sample, and connect the sample cooling device 10 to cool the sample, waiting for a next test flow.
2): the system software sends instructions through a STAS-PLUS (start-PLUS) to turn off power supply output through an alternating current programmable power supply 1 or a direct current programmable power supply 2, and controls a multifunctional power supply control device 3 to turn off output, at the moment, a test sample is discharged through an internal battery, a discharging loop double-channel direct current tester 5 measures voltage and current parameters of the battery, an electronic load 8 loads an output terminal of the sample, current parameters of the electronic load 8 are regulated, the load is regulated at a rated current Irate of 5 percent at a speed of 5 seconds/time, a protection point current value Imax of the terminal is found, the current of the terminal overload test is Irate+70%x (Imax-Irate), a temperature rise recorder 7 measures the temperature of the test sample until the temperature of the sample reaches a stable state, and increases the current by 5 percent again until the terminal is protected, test data is stored, the STAS-PLUS sends instructions to stop data acquisition, the load is stopped, and the sample cooling device 10 is turned on for sample cooling, and a next test flow is waited.
3): and (3) carrying out terminal short circuit test under a discharging mode, wherein system software operates according to the operating condition of 2), an electronic load 8 loads a sample output terminal according to the nominal parameter, after 10 minutes of operation, a STAS-PLUS sends a short circuit instruction to an electronic load 8 temperature rise recorder 7 to measure the temperature of a test sample, a temperature point T1 before 10 seconds of short circuit is judged, the temperature T2 during short circuit, the temperature T3 after 10 seconds of short circuit are judged, when T3-T2 is less than T2-T1, data are saved after 5 minutes of operation, load short circuit is stopped, a sample cooling device 10 is connected for sample cooling, and a next test flow is waited.
4): and (3) normally testing in a discharging mode, wherein system software runs according to the testing condition of 3) through a STAS-PLUS, an electronic load 8 loads a sample output terminal according to a nominal parameter, a temperature rise recorder 7 measures the temperature of a tested sample until the sample battery is completely discharged, and the electrical parameter data of the double-channel direct current tester 5 and the electronic load 8 and the temperature rise data of the temperature rise recorder 7 are recorded and stored in the testing process, so that a sample cooling device 10 is connected to cool the sample and wait for the next testing process.
5): the normal test under the charging mode, test sample is in the condition of shutting down, system software can send the instruction to exchanging programmable power supply 1 or direct current programmable power supply 2 through STAS-PLUS, set up test voltage, and control multi-functional power control device 3, output voltage gives electric parameter tester 4, power supply for the power adapter of test sample, direct current input parameter of product is measured through binary channels direct current tester 5, load cell switching device 6 switches to the input and supplies power for the product, temperature rise record appearance 7 records the temperature that generates heat of sample this moment, until the charge current of monitoring binary channels direct current tester 5 battery is 0, the sample is fully charged, the temperature rise that the system save record this moment is with electric parameter data. And the sample cooling device 10 is turned on to cool the sample and wait for a next test procedure.
6): and (3) performing overcharge test under full power, according to the test condition of 5), after the test is run for 5 minutes, performing fault short circuit on a short circuit terminal of a load battery switching device 6 through IO control of a multifunctional power supply control device 3 by using STAS-PLUS, recording the temperature in the test process by using a temperature rise recorder 7, storing data after 7 hours of test, and switching on a sample cooling device 10 to cool a sample to wait for the next test flow.
7): and (3) performing overcharge test under the condition of empty electricity, controlling a load battery switching device 6 and an electronic load 8 to discharge a battery of a test sample by a STAS-PLUS (constant voltage power supply) through a multifunctional power supply control device 3, testing according to the test condition of 6) after the discharge is completed, storing test data after the test is completed, and switching on a sample cooling device 10 for cooling the sample.
The beneficial effects of the invention are as follows:
as shown in fig. 5: a test flow chart, wherein (a) is an automatic test flow chart, (b) is a first mode flow chart, (c) is a second mode flow chart, (d) is a third mode flow chart, (e) is a fourth mode flow chart, (f) is a fifth mode flow chart, (g) is a sixth mode flow chart, (h) is a seventh mode flow chart, and (i) is an eighth mode flow chart;
an automatic test method of portable products with rechargeable batteries is matched with an automatic test system of portable products with rechargeable batteries, so that an operator only needs to set a sample once in the whole process test, the system automatically sets equipment parameters according to the test process, performs function conversion, completes the whole test process, automatically records test data, automatically analyzes and judges test results, completes the test, and makes a report.
As shown in fig. 6: the time occupied by the test staff is compared with that of the chart, after the automatic test method of the portable product with the rechargeable battery is used together with the automatic test system of the portable product with the rechargeable battery, the effective working time of the test staff is reduced from 210 minutes to 100 minutes, the staff involvement is greatly reduced, and the staff efficiency is improved by 53%. And meanwhile, the utilization rate of the equipment is also greatly improved.
As shown in fig. 7: the project period is compared, an old manual test method is adopted, 18.7 hours are needed for completing the test project, the working time per day is 8 hours, 2.3 working days are needed for completing the test project, and after a new automatic test method is adopted, 18.7 hours are needed for completing the test project, and as personnel are not needed in the test process, the process test can be automatically carried out by using the off-duty time, the time needed for completing the corresponding test project is 1 day, and the test period is shortened.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (6)
1. An automated testing system for portable products with rechargeable batteries, comprising:
the system comprises a STAS-PLUS subsystem, an alternating current programmable power supply, a direct current programmable power supply, an electric parameter tester, a temperature rise recorder, a double-channel direct current tester, an electronic load, a multifunctional power supply control device, a load battery switching device and a sample cooling device, wherein the alternating current programmable power supply, the direct current programmable power supply, the electric parameter tester, the temperature rise recorder, the double-channel direct current tester, the electronic load and the multifunctional power supply control device are connected with the STAS-PLUS subsystem.
The output end of the alternating current programmable power supply, the output end of the direct current programmable power supply and the output end of the electric parameter tester are connected with the input end of the multifunctional power supply control device; the output end of the multifunctional power supply control device is respectively connected with the input end of the electric parameter tester and the input end of the power supply adapter of the product to be tested; the output end of the power adapter of the product to be tested is sequentially connected with a first channel of the dual-channel direct current tester and the input end of the load battery switching device; the output end of the load battery switching device is connected with the input end of the product to be tested, and the output end of the product to be tested is connected with the electronic load; the battery of the product to be tested is connected with a second channel of the double-channel direct current tester;
the STAS-PLUS subsystem is used for setting an alternating current programmable power supply, a direct current programmable power supply, an electric parameter tester, a temperature rise recorder, a double-channel direct current tester, an electronic load and a multifunctional power supply control device for collecting parameters and data, testing requirements and issuing instructions to the alternating current programmable power supply, the direct current programmable power supply, the electric parameter tester, the temperature rise recorder, the double-channel direct current tester, the electronic load and the multifunctional power supply control device; the power adapter of the product to be tested is used for providing power for the product to be tested; the dual-channel direct current tester is used for testing the electrical parameters output by the power adapter of the product to be tested; the load battery switching device is used for switching the power supply of the tested product with the load, switching the input power supply when the tested product is charged, and switching the output of the battery and the load when the tested product is discharged; the temperature rise recorder is used for collecting a heating temperature value in the working of a test sample; the sample cooling device is used for cooling the product to be tested; the multifunctional power supply control device is used for supplying power to the power supply adapter and controlling the battery load switching device and the sample cooling device according to the STAS-PLUS subsystem instruction.
2. An automated testing system for portable products with rechargeable batteries according to claim 1, wherein said multi-functional power control means comprises:
the multifunctional power supply control device converts the STAS-PLUS subsystem instruction signals into 16 paths of IO control signals through internal conversion, wherein 1-4 paths of IO control signals are used for internal control, and the rest IO control signals are used for controlling the on-off of the battery load switching device and the sample cooling device.
3. An automated testing system for portable products with rechargeable batteries according to claim 2, wherein said internal control comprises:
the types of the alternating current power supply and the direct current power supply are the same as the output switching control.
4. A method of using the automated test system of portable products with rechargeable batteries of any of claims 1-3, comprising:
obtaining a product to be tested, measuring the electrical parameters of the product to be tested, and placing the product to be tested on a system test bench for preparation test;
setting a test flow according to the electrical parameters of the product to be tested so as to complete multiple mode tests;
recording measurement parameters generated by the test;
and generating a test report according to the measurement parameters.
5. An automated testing system for portable products with rechargeable batteries according to claim 4, wherein the electrical parameters of the product under test comprise:
input voltage, current, power and frequency of the product to be tested.
6. A method of using an automated testing system for portable products with rechargeable batteries as claimed in claim 4, wherein said multiple mode testing comprises:
measurement in a charging mode, measurement in a discharging mode, measurement in a charging-while-working mode, overcharge test under full battery charge, overcharge test under empty battery charge, terminal overload test, and terminal short circuit test.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310509374.5A CN116540121A (en) | 2023-05-08 | 2023-05-08 | Automatic testing system for portable products with rechargeable batteries and using method thereof |
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| CN202310509374.5A CN116540121A (en) | 2023-05-08 | 2023-05-08 | Automatic testing system for portable products with rechargeable batteries and using method thereof |
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| CN202310509374.5A Pending CN116540121A (en) | 2023-05-08 | 2023-05-08 | Automatic testing system for portable products with rechargeable batteries and using method thereof |
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| CN (1) | CN116540121A (en) |
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