CN111351994B - System for realizing automatic test for wireless charging device and corresponding method - Google Patents
System for realizing automatic test for wireless charging device and corresponding method Download PDFInfo
- Publication number
- CN111351994B CN111351994B CN201811574069.XA CN201811574069A CN111351994B CN 111351994 B CN111351994 B CN 111351994B CN 201811574069 A CN201811574069 A CN 201811574069A CN 111351994 B CN111351994 B CN 111351994B
- Authority
- CN
- China
- Prior art keywords
- module
- test
- wireless charging
- charging device
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a system for realizing automatic test for a wireless charging device and a corresponding method, wherein the system comprises a receiving test fixture module, a probe fixture module, a test mainboard module and a PC (personal computer) monitoring interface upper computer module, the PC monitoring interface upper computer module is used as a control and data recording center of the whole system, and is used for controlling each part in a test mainboard module driving system, realizing the test of electrical parameters and performance parameters of the wireless charging device, and finally realizing one-stop detection of the wireless charging device by combining the corresponding method. By adopting the system and the corresponding method for realizing automatic test aiming at the wireless charging device, the inspection of the wireless charging device can be automatically finished with high efficiency and low cost, no manual participation is needed in the detection process, and the detection accuracy is higher.
Description
Technical Field
The invention relates to the technical field of circuits, in particular to the field of wireless charging, and specifically relates to a system and a corresponding method for realizing automatic testing of a wireless charging device.
Background
In the present stage, wireless charging equipment is favored in more and more fields due to its own advantages, and after the wireless charging function of iphone and samsung series mobile phones is implemented in 2017, the market of wireless charging devices has been greatly increased, wherein the production places of wireless charging devices of the global major Qi standard are all concentrated in china, but in the production process of wireless charging devices, such as the production process of wireless charging devices of the wireless charging Qi standard, the detection of wireless charging devices mainly adopts a manual detection mode, which cannot automatically test wireless charging devices, and many factories adopt a manual multi-station detection mode to detect whether PCBA in wireless charging devices is good or bad in the production and assembly process of wireless charging devices, which not only wastes manpower, but also can cause misjudgment due to fatigue of workers working for a long time, the quality of the finally produced wireless charging device may not be guaranteed.
Even if the existing equipment for detecting the wireless charging device in the prior art can only carry out relatively simple automatic test on the electrical parameters of the PCBA board of the wireless charging device, other functional detection about the wireless charging device still needs manual multi-station test, namely, the best mode adopted for the wireless charging device in the prior art is a mode of combining single-station electrical automatic test and multi-station manual test to test the wireless charging device, and the automatic integral detection on the electrical parameters and functions of the wireless charging device cannot be realized. Moreover, the wireless charging device is tested in a mode of combining the single-station electrical automation test and the multi-station manual test in the prior art, and the following problems still exist:
the multi-station manual test has higher requirement on the arrangement site of the production line, wastes manpower and material resources, has low efficiency, and can also have the adverse factors of incapability of ensuring the quality of the wireless charging device due to manual misjudgment, long delivery cycle of large-scale mass production and the like.
Disclosure of Invention
The present invention is directed to overcome at least one of the above-mentioned drawbacks of the prior art, and provides a system and a corresponding method for automatically testing a wireless charging device with low cost, high accuracy and full automation.
In order to achieve the above and other objects, the present invention provides a system and a corresponding method for implementing automatic test for a wireless charging device, comprising:
this system to wireless charging device realizes automatic test, its key feature is, the system include:
the receiving test fixture module is connected with an external wireless charging device and used for carrying out functional test on the communication and loading capacity of the wireless charging device;
the probe jig module is used for fixing the wireless charging device in a testing process and adopts a probe to contact with a point to be tested on the wireless charging device;
the test mainboard module is used for controlling and managing the receiving test fixture module and the probe fixture module and acquiring test data comprising the electrical parameters and the performance parameters of the wireless charging device;
and the PC monitoring interface upper computer module is connected with the test mainboard module and used for setting functions of the system, controlling the test process, collecting and recording the test data obtained in the test process, analyzing the test data to obtain a test result and displaying the test result.
Preferably, the test motherboard module includes:
the electrical testing sub-module is connected with the wireless charging device through the probe jig module and is used for acquiring the electrical testing data in the testing process;
the overvoltage and undervoltage testing sub-module is connected with the electrical testing sub-module, and is also connected with the wireless probing charging device through the probe jig module and used for acquiring overvoltage and undervoltage testing data in the testing process;
the controllable load sub-module is used for providing loads with different sizes for on-load tests and is connected with the receiving test fixture module;
and the test main board main control submodule is respectively connected with the electrical test submodule, the overvoltage and undervoltage test submodule and the controllable load submodule.
Preferably, the overvoltage and undervoltage testing sub-module comprises a controllable power output sub-module, and the testing main board main control sub-module controls the controllable power output sub-module to supply power to the wireless charging device through the probe jig module.
Furthermore, the electrical test sub-module comprises a current and voltage detection unit and an ADC multi-channel sampling unit;
the current and voltage detection unit is respectively connected with the probe jig module and the controllable power supply output submodule;
the current and voltage detection unit is used for carrying out analog-to-digital conversion pretreatment on a voltage signal on a point to be measured of the wireless charging device to obtain a voltage signal of the point to be measured, which can be accepted by the ADC multichannel sampling unit, and the current and voltage detection unit is also used for carrying out pretreatment operation on the detected current signal to obtain a current signal to be measured, which can be accepted by the ADC multichannel sampling unit;
the ADC multichannel sampling unit performs analog-to-digital conversion on the voltage signal of the point to be tested and the current signal to be tested, and transmits the converted voltage signal of the point to be tested and the converted current signal to the main control submodule of the test mainboard.
Preferably, the main control sub-module of the test main board is connected with the receiving test fixture module through a first data communication sub-module, and is used for monitoring the receiving test fixture module;
the main control sub-module of the test mainboard is connected with the upper computer module of the PC monitoring interface through a second data communication sub-module;
the main control sub-module of the test main board performs data communication with a control chip in the wireless charging device through a third data communication sub-module;
the test mainboard main control submodule is connected with the probe jig module through a frequency sampling submodule and used for obtaining the reference frequency of the wireless charging device in the test process, and the test mainboard main control submodule analyzes the reference frequency to obtain a reference frequency value.
Preferably, the receiving and testing jig module is a controllable wireless charging receiving end response device, and comprises an LC series resonance circuit sub-module, a communication modulation circuit sub-module, a rectification circuit sub-module, a controllable low-voltage-difference linear output sub-module, a voltage and current acquisition sub-module, a receiving and testing jig main control sub-module and a serial port sub-module;
the first end of the LC series resonance circuit sub-module is connected with the wireless charging device, the first end of the receiving test fixture main control sub-module is connected with the second end of the LC series resonance circuit sub-module through the communication modulation circuit sub-module, and the second end of the receiving test fixture main control sub-module is simultaneously connected with the first end of the voltage and current acquisition sub-module and the first end of the controllable low-voltage-difference linear output sub-module; the second end of the voltage and current acquisition sub-module is connected with the second end of the controllable low-dropout linear output sub-module, the third end of the voltage and current acquisition sub-module is connected with the first end of the rectifier circuit sub-module, the second end of the rectifier circuit sub-module is connected with the third section of the LC series resonance circuit sub-module, and the third end of the rectifier circuit sub-module is connected with the third end of the controllable low-dropout linear output sub-module; and the third end of the main control submodule of the receiving test fixture is connected with the test mainboard module through the serial port submodule.
Preferably, the system further comprises an adapter power input module for supplying power to the test motherboard module.
The method for automatically testing the wireless charging device based on the system is mainly characterized by comprising the following steps:
(1) the test mainboard module acquires test data comprising electrical parameters and performance parameters of the wireless charging device;
(2) the test mainboard module transmits the test data to the PC monitoring interface upper computer module;
(3) and the PC monitoring interface upper computer module analyzes the test data to obtain a test result, and displays the test result.
Preferably, the step (1) further comprises the following steps:
(0.1) sending a test instruction to the test mainboard module by the PC monitoring interface upper computer module;
(0.2) the test mainboard module tests the pressing state of the probe jig module and transmits the pressing state test result to the PC monitoring interface upper computer module;
(0.3) the PC monitoring interface upper computer module judges whether the probe jig module is correctly pressed with the wireless charging device according to the pressing state test result;
(0.4) if the probe jig module is correctly pressed with the wireless charging device, continuing the subsequent step (1); otherwise, returning to the step (0.2), and displaying a prompt that the probe jig module waits for pressing by the upper computer module on the PC monitoring interface.
Preferably, when a plurality of wireless charging devices are to be tested, the step (3) further includes the following steps:
(4) judging whether the probe jig module is lifted;
(5) and (4) if the probe jig module is lifted, returning to the step (0.2), otherwise, returning to the step (4).
Preferably, the test main board module comprises an electrical test sub-module, an overvoltage and undervoltage test sub-module, a controllable load sub-module, a frequency sampling sub-module and a test main board main control sub-module; the performance parameters comprise: the wireless charging device comprises overvoltage and undervoltage test data, loading test data, foreign matter detection protection function test data of the wireless charging device, and reference frequency and software version information of the wireless charging device.
More preferably, the step (1) comprises the following steps:
(1.1) the main control submodule of the test mainboard controls the electric test submodule to test the wireless charging device to obtain electric parameters of the wireless charging device;
(1.2) the PC monitoring interface upper computer module analyzes the electrical parameters and judges whether the electrical parameters of the wireless charging device meet the standard requirements set by the system;
(1.3) if the electrical parameters of the wireless charging device meet the standard requirements set by the system, continuing the subsequent step (1.4); otherwise, taking the currently acquired electrical parameters of the wireless charging device as the test data, and continuing the subsequent step (2);
(1.4) the main control submodule of the test mainboard reads the main chip software version of the PCBA board in the wireless charging device to obtain the software version information;
(1.5) the test mainboard main control submodule acquires the reference frequency of the wireless charging device through the frequency sampling submodule, and the test mainboard main control submodule verifies the reference frequency to acquire a corresponding reference frequency value; (ii) a
(1.6) the main control submodule of the test main board tests the overvoltage and undervoltage protection functions of the wireless charging device by controlling the overvoltage and undervoltage test submodule to acquire overvoltage and undervoltage test data;
(1.7) the test mainboard module controls the receiving test fixture module to enable the receiving test fixture module to be in wireless charging connection with the wireless charging device, and enable the wireless charging power loss between the receiving test fixture module and the wireless charging device to be large, so as to obtain foreign matter detection protection function test data of the wireless charging device;
(1.8) the test mainboard module controls the controllable load submodule and the receiving test fixture module to obtain the input power, the output power, the PWM wave frequency and the wireless charging conversion efficiency of the receiving test fixture module under the conditions of no load, half load and full load in the wireless charging connection process of the receiving test fixture module and the wireless charging device, so as to obtain the on-load test data;
(1.9) taking the electrical parameters, the software version information, the reference frequency value, the overvoltage and undervoltage test data, the foreign matter detection protection function test data and the on-load test data of the wireless charging device as the test data, and continuing the subsequent step (2).
By adopting the system and the corresponding method for realizing the automatic test of the wireless charging device, the electric parameters and other performance parameters of the wireless charging device can be effectively and automatically detected, manual operation is not needed in the detection process, test stations are reduced, and the problems that the cost is high, the efficiency is low and the quality of the wireless charging device cannot be guaranteed due to possible human misjudgment caused by multi-station manual matching detection in the prior art are solved. The system and the corresponding method for realizing automatic test of the wireless charging device have the advantages of convenient operation, high reliability, low cost, capability of effectively completing automatic detection of electrical parameters and other performance parameters of the wireless charging device without manual intervention, and good applicability.
Drawings
Fig. 1 is a schematic connection relationship diagram of a system for implementing automatic testing of a wireless charging device according to an embodiment of the present invention and the wireless charging device.
Fig. 2 is a schematic block diagram of a receiving test fixture module according to an embodiment of the invention.
Fig. 3 is a flowchart of a method for implementing automatic testing of a wireless charging device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments.
As shown in fig. 1, in this embodiment, the system for implementing automatic testing for a wireless charging device includes:
the receiving test fixture module is connected with an external wireless charging device and used for carrying out functional test on the communication and loading capacity of the wireless charging device, wherein the coil distance between the receiving test fixture module and the wireless charging device is fixed in the test process;
the probe jig module is used for fixing the wireless charging device in a testing process and adopts a probe to contact with a point to be tested on the wireless charging device;
the test mainboard module is used for controlling and managing the receiving test fixture module and the probe fixture module and acquiring test data comprising electrical parameters and performance parameters of the wireless charging device, and the test mainboard module is in contact with the wireless charging device through a probe;
and the PC monitoring interface upper computer module is connected with the test mainboard module and used for setting functions of the system, controlling the test process, collecting and recording the test data obtained in the test process, analyzing the test data to obtain a test result and displaying the test result.
The PC machine monitoring interface upper computer module can be connected with a plurality of test mainboard modules simultaneously, and a plurality of wireless charging devices can be tested simultaneously.
In this embodiment, the test motherboard module includes:
the electrical testing sub-module is connected with the wireless charging device through the probe jig module and is used for acquiring the electrical testing data in the testing process;
the overvoltage and undervoltage testing sub-module is connected with the electrical testing sub-module, and is also connected with the wireless probing charging device through the probe jig module and used for acquiring overvoltage and undervoltage testing data in the testing process;
the controllable load sub-module is used for providing loads with different sizes for on-load tests and is connected with the receiving test fixture module;
and the test main board main control submodule is respectively connected with the electrical test submodule, the overvoltage and undervoltage test submodule and the controllable load submodule, and in the embodiment, the test main board main control submodule is formed by adopting an MCU (single chip microcomputer).
In this embodiment, a testing system combining the PC monitoring interface host computer module and the hardware testing board (i.e., the testing motherboard module in the above embodiments) is used to check the wireless charging device, and the PC monitoring interface host computer module is combined with the receiving testing jig module, the probe jig module and the testing motherboard module to automatically test the PCBA board in the wireless charging device, so as to determine the performance of the functions of the PCBA board, thereby effectively ensuring the production quality of the produced wireless charging device and improving the detection efficiency. In other embodiments, the test motherboard module may also be formed by conventional test instruments, for example, a conventional instrument such as a digital power supply, a digital electronic load, an oscilloscope, and the like is used in combination with a relay to control and switch the test instruments. The upper computer module on the PC monitoring interface is combined with the test mainboard module formed by a conventional test instrument to realize the check of the wireless charging device, but compared with the implementation scheme of adopting the test mainboard module formed by a hardware test board in the embodiment, the mode has the advantages of higher cost, more complicated connected circuit and non-optimal performance.
When the system for realizing automatic test of the wireless charging device needs to test the loading capacity of the wireless charging device, the controllable load submodule receives the output voltage output by the receiving test fixture module, the controllable load submodule can be controlled through the test mainboard main control submodule to provide loads with different sizes for the test mainboard module to measure the working frequency, the phase, the current and the efficiency of the wireless charging device under the condition of different loads.
In this embodiment, the overvoltage and undervoltage testing sub-module includes a controllable power output sub-module, and the testing main board main control sub-module controls the controllable power output sub-module to supply power to the wireless charging device through the probe jig module. The voltage output by the controllable power supply output submodule is used when the wireless charging device is tested, the controllable power supply output submodule can be composed of a chopping (Buck) circuit, and the voltage output by the controllable power supply output submodule is adjusted by the main control submodule of the test mainboard in a PWM (pulse width modulation) mode.
In this embodiment, the electrical test sub-module includes a current and voltage detection unit and an ADC multi-channel sampling unit;
the current and voltage detection unit is respectively connected with the probe jig module and the controllable power supply output submodule;
the current and voltage detection unit is used for carrying out analog-to-digital conversion pretreatment on a voltage signal on a point to be tested of the wireless charging device to obtain the voltage signal of the point to be tested, which is acceptable by the ADC multichannel sampling unit, and is also used for carrying out pretreatment operation on the detected current signal to obtain the current signal to be tested, which is acceptable by the ADC multichannel sampling unit;
the voltage signal at the point to be measured of the wireless charging device is subjected to analog-to-digital conversion preprocessing, and the preprocessing comprises the following steps: voltage signal preprocessing is carried out in a mode that resistance voltage division is carried out on input signals and the input signals are reduced to an input range of an ADC multichannel sampling unit, wherein the input signals are voltage signals needing to be detected on a point to be detected on a wireless charging device contacted by a probe in a probe jig module; if the current signal to be detected is a current signal carried on the output voltage Vout, the preprocessing the detected current signal includes: performing current signal preprocessing by amplifying the voltage of the output voltage series sampling small resistor, wherein the output voltage is the output voltage Vout output by the receiving test fixture module;
that is, the current and voltage detection unit is a preprocessing circuit in front of the ADC multi-channel sampling unit, and performs signal preprocessing on the voltage signal and the current signal to be detected, the system for implementing automatic test on the wireless charging device in the present invention needs to detect the current signal (the current signal is the output current Iout) carried on the output voltage Vout output by the receiving test fixture module, so the current and voltage detection unit needs to detect the output current Iout of the receiving test fixture, and the detection method of the output current Iout is as follows: the output voltage Vout is connected with the sampling resistor in series, the current flows through the sampling resistor, the differential pressure signal on the sampling resistor can be converted into a current signal, the sampling resistor is relatively small, and the differential pressure signal is also small, so that the differential pressure signal on the sampling resistor can be amplified to carry out current signal preprocessing, and the current signal to be tested which is acceptable by the ADC multichannel sampling unit can be obtained.
The ADC multichannel sampling unit performs analog-to-digital conversion on the voltage signal of the point to be tested and the current signal to be tested, and transmits the converted voltage signal of the point to be tested and the converted current signal to the main control submodule of the test mainboard.
In this embodiment, the main control sub-module of the test motherboard is connected to the receiving test fixture module through a first data communication sub-module, and is configured to monitor the receiving test fixture module, where the first data communication sub-module may be a UART data communication channel, that is, the first data communication sub-module is IART data communication 1 in fig. 1;
the main control sub-module of the test main board is connected with the upper computer module of the PC monitoring interface through a second data communication sub-module, and the second data communication sub-module can be composed of another UART data communication channel, namely the second data communication sub-module is IART data communication 2 in figure 1;
the test main board main control submodule is in data communication with a control chip in the wireless charging device through a third data communication submodule, and the third data communication submodule can be formed by an I2C data communication channel, namely the test main board main control submodule is in data communication with the wireless charging device through I2C data communication;
the test mainboard main control submodule is connected with the probe jig module through a frequency sampling submodule and used for obtaining the reference frequency of the wireless charging device in the test process, and the test mainboard main control submodule analyzes the reference frequency to obtain a reference frequency value.
In this embodiment, the system further includes an adapter power input module for supplying power to the test motherboard module.
As shown in fig. 2, in this embodiment, the receiving test fixture module is a controllable wireless charging receiving end response device, and includes an LC series resonant circuit sub-module, a communication modulation circuit sub-module, a rectifier circuit sub-module, a controllable low-voltage-difference linear output sub-module, a voltage and current acquisition sub-module, a receiving test fixture main control sub-module, and a serial port sub-module;
the first end of the LC series resonance circuit sub-module is connected with the wireless charging device, the first end of the receiving test fixture main control sub-module is connected with the second end of the LC series resonance circuit sub-module through the communication modulation circuit sub-module, and the second end of the receiving test fixture main control sub-module is simultaneously connected with the first end of the voltage and current acquisition sub-module and the first end of the controllable low-voltage-difference linear output sub-module; the second end of the voltage and current acquisition sub-module is connected with the second end of the controllable low-dropout linear output sub-module, the third end of the voltage and current acquisition sub-module is connected with the first end of the rectifier circuit sub-module, the second end of the rectifier circuit sub-module is connected with the third section of the LC series resonance circuit sub-module, and the third end of the rectifier circuit sub-module is connected with the third end of the controllable low-dropout linear output sub-module; and the third end of the main control submodule of the receiving test fixture is connected with the test mainboard module through the serial port submodule.
The LC series resonance circuit submodule comprises a resonance capacitor C and a receiving coil L, and the controllable wireless charging receiving end response device is a Qi standard wireless charging receiving device in the above embodiment, so that the functionality test of communication, loaded energy and the like of the wireless charging device can be realized, that is, the system for realizing automatic test of the wireless charging device of the invention can realize the automatic test of the Qi standard-based wireless charging device.
The LC series resonance circuit submodule is a magnetic induction circuit used in the wireless charging process when the wireless charging device is tested; the communication modulation circuit submodule is used for modulating a communication signal which is generated by the receiving test fixture main control submodule and used for realizing amplitude modulation communication in the wireless charging process to the LC series resonance circuit submodule; the rectification circuit submodule is used for rectifying an alternating current signal which is induced by the LC series resonance circuit submodule and transmitted by the wireless charging device to obtain a rectified output voltage RECT; the controllable low-voltage difference linear output sub-module is controlled by the receiving test fixture main control sub-module and is used for outputting the output voltage Vout of the receiving test fixture module; the voltage and current acquisition sub-module is used for acquiring signals of the rectified output voltage RECT, the output voltage Vout and the output current matched with the output voltage Vout; the serial port submodule is used for communicating with the test mainboard module, and the test mainboard module monitors the receiving test fixture module through the serial port submodule, wherein the receiving test fixture main control submodule can be composed of an MCU (single chip microcomputer).
A method for automatically testing a wireless charging device based on the system comprises the following steps:
(0.1) sending a test instruction to the test mainboard module by the PC monitoring interface upper computer module;
(0.2) the test mainboard module tests the pressing state of the probe jig module and transmits the pressing state test result to the PC monitoring interface upper computer module;
(0.3) the PC monitoring interface upper computer module judges whether the probe jig module is correctly pressed with the wireless charging device according to the pressing state test result;
(0.4) continuing the subsequent step (1) if the probe jig module is correctly pressed with the wireless charging device; otherwise, returning to the step (0.2), and displaying a prompt that the probe jig module waits for pressing by the upper computer module on the PC monitoring interface;
(1) the test mainboard module obtains test data including electrical parameters and performance parameters of the wireless charging device, wherein the performance parameters include: the overvoltage and undervoltage test data, the on-load test data, the foreign object detection protection function test data of the wireless charging device, and the reference frequency and the software version information of the wireless charging device specifically comprise the following steps:
(1.1) the main control submodule of the test mainboard controls the electric test submodule to test the wireless charging device to obtain electric parameters of the wireless charging device; during the test, the main control submodule of the test mainboard collects a voltage key test point on a PCBA board in the wireless charging device to obtain electrical parameters;
(1.2) the PC monitoring interface upper computer module analyzes the electrical parameters and judges whether the electrical parameters of the wireless charging device meet the standard requirements set by the system;
(1.3) if the electrical parameters of the wireless charging device meet the standard requirements set by the system, continuing the subsequent step (1.4); otherwise, taking the currently acquired electrical parameters of the wireless charging device as the test data, and continuing the subsequent step (2);
(1.4) the main control submodule of the test mainboard reads the main chip software version of the PCBA board in the wireless charging device to obtain the software version information;
(1.5) the test mainboard main control submodule acquires the reference frequency of the wireless charging device through the frequency sampling submodule, and the test mainboard main control submodule verifies the reference frequency to acquire a corresponding reference frequency value; (ii) a
(1.6) the main control submodule of the test main board tests the overvoltage and undervoltage protection functions of the wireless charging device by controlling the overvoltage and undervoltage test submodule to acquire overvoltage and undervoltage test data;
(1.7) the test mainboard module controls the receiving test fixture module to enable the receiving test fixture module to be in wireless charging connection with the wireless charging device, and enables the wireless charging power loss between the receiving test fixture module and the wireless charging device to be large, so that foreign matter detection protection function test data of the wireless charging device are obtained;
(1.8) the test mainboard module controls the controllable load submodule and the receiving test fixture module to obtain the input power, the output power, the PWM wave frequency and the wireless charging conversion efficiency of the receiving test fixture module under the conditions of no load, half load and full load in the wireless charging connection process of the receiving test fixture module and the wireless charging device, so as to obtain the on-load test data;
(1.9) taking the electrical parameters, software version information, reference frequency values, overvoltage and undervoltage test data, foreign matter detection protection function test data and on-load test data of the wireless charging device as the test data, and continuing the subsequent step (2);
(2) the test mainboard module transmits the test data to the PC monitoring interface upper computer module;
(3) the PC monitoring interface upper computer module analyzes the test data to obtain a test result, and displays the test result; when the step is executed, the PC monitoring interface upper computer module can analyze the test data according to a test item data threshold preset in the PC monitoring interface upper computer module to obtain a test result, wherein the test item data threshold can be changed by an operator according to the characteristics of the actually tested wireless charging device to realize the detection of different wireless charging devices;
(4) judging whether the probe jig module is lifted;
(5) and (4) if the probe jig module is lifted, returning to the step (0.2), otherwise, returning to the step (4).
The flow of the above method operation can be seen in fig. 3, that is, in the above embodiment, the system operation flow is:
starting to test, resetting a device to be tested, judging whether the jig is pressed, and continuing subsequent voltage test (namely obtaining electrical parameters of the wireless charging device) if the jig is pressed, sequentially continuing subsequent software version test, reference frequency verification test, overvoltage and undervoltage test, FOD (Power loss) test (namely foreign matter detection protection function test data) and on-load working point test if the measured data meet the preset standard of the system, transmitting all the test data obtained by the test to a PC monitoring interface upper computer module, outputting a final test result by the PC monitoring interface upper computer module, and otherwise outputting the test result of the current voltage test to the PC monitoring interface upper computer module, and outputting a corresponding test result by the PC monitoring interface upper computer module; then, whether the jig is lifted up is judged, if the jig is lifted up, the testing steps are circulated to carry out the next testing.
Wherein, PC monitor interface host computer mould need carry out: analyzing the electrical parameters, and judging whether the obtained electrical parameters meet the preset standard of the system; the software version information is corrected to obtain a software version correction result; and analyzing the reference frequency value, acquiring a verification result of the reference frequency value and the like, and outputting a final test result.
In actual operation, the PC monitoring interface upper computer module can be set, so that the PC monitoring interface upper computer module prints the error codes of the test items which do not accord with the preset standard of the system in the output test results, and stores all the test data and the test results in a database, thereby realizing the traceability of the test data.
In the above embodiments, the detection of the wireless charging apparatus actually means the detection of the PCBA board in the wireless charging apparatus.
In the testing method, the PC monitoring interface upper computer module is used as a control and data recording center of the system for realizing automatic testing of the wireless charging device, the testing mainboard module is used as an actual testing module unit, in the testing process, the PC monitoring interface upper computer module controls the testing mainboard module through the second data communication submodule according to a predefined control instruction, corresponding test item operation is carried out after the control instruction is carried out by the testing mainboard module, the obtained testing data is transmitted to the PC monitoring interface upper computer module, and the PC monitoring interface upper computer module analyzes the testing data to obtain a final testing result and displays the final testing result. The system and the method in the embodiment can effectively reduce the test stations, realize the automatic test process of the single-station wireless charging device, eliminate misjudgment caused by human factors, improve the production quality of the wireless charging device, improve the production efficiency and reduce the production cost.
By adopting the system and the corresponding method for realizing automatic test aiming at the wireless charging device, the electrical parameters and other performance parameters of the wireless charging device can be effectively and automatically detected, manual operation is not needed in the detection process, the test stations are reduced, and the problems that the cost is high, the efficiency is low and the quality of the wireless charging device cannot be guaranteed due to possible human misjudgment caused by multi-station manual cooperation detection in the prior art are solved. The system and the corresponding method for realizing automatic test of the wireless charging device have the advantages of convenient operation, high reliability, low cost, capability of effectively completing automatic detection of electrical parameters and other performance parameters of the wireless charging device without manual intervention, and good applicability.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (11)
1. A system for implementing automatic testing of a wireless charging device, the system comprising:
the receiving test fixture module is connected with an external wireless charging device and used for carrying out functional test on the communication and loading capacity of the wireless charging device;
the probe jig module is used for fixing the wireless charging device in a testing process and adopts a probe to contact with a point to be tested on the wireless charging device;
the test mainboard module is used for controlling and managing the receiving test fixture module and the probe fixture module and acquiring test data comprising the electrical parameters and the performance parameters of the wireless charging device;
the PC monitoring interface upper computer module is connected with the test mainboard module and used for setting functions of the system, controlling the test process, collecting and recording the test data obtained in the test process, analyzing the test data by the PC monitoring interface upper computer module to obtain a test result and displaying the test result;
the receiving test fixture module is a controllable wireless charging receiving end response device and comprises an LC series resonance circuit sub-module, a communication modulation circuit sub-module, a rectification circuit sub-module, a controllable low-voltage difference linear output sub-module, a voltage and current acquisition sub-module, a receiving test fixture main control sub-module and a serial port sub-module;
the first end of the LC series resonance circuit sub-module is connected with the wireless charging device, the first end of the receiving test fixture main control sub-module is connected with the second end of the LC series resonance circuit sub-module through the communication modulation circuit sub-module, and the second end of the receiving test fixture main control sub-module is simultaneously connected with the first end of the voltage and current acquisition sub-module and the first end of the controllable low-voltage-difference linear output sub-module; the second end of the voltage and current acquisition sub-module is connected with the second end of the controllable low-dropout linear output sub-module, the third end of the voltage and current acquisition sub-module is connected with the first end of the rectifier circuit sub-module, the second end of the rectifier circuit sub-module is connected with the third section of the LC series resonance circuit sub-module, and the third end of the rectifier circuit sub-module is connected with the third end of the controllable low-dropout linear output sub-module; and the third end of the main control submodule of the receiving test fixture is connected with the test mainboard module through the serial port submodule.
2. The system for implementing automatic testing on a wireless charging device according to claim 1, wherein the test motherboard module comprises:
the electrical testing sub-module is connected with the wireless charging device through the probe jig module and is used for acquiring the testing data in the testing process;
the overvoltage and undervoltage testing sub-module is connected with the electrical testing sub-module, and is also connected with the wireless charging device through the probe jig module and used for acquiring overvoltage and undervoltage testing data in the testing process;
the controllable load sub-module is used for providing loads with different sizes for on-load tests and is connected with the receiving test fixture module;
and the test main board main control submodule is respectively connected with the electrical test submodule, the overvoltage and undervoltage test submodule and the controllable load submodule.
3. The system according to claim 2, wherein the over-voltage and under-voltage testing sub-module comprises a controllable power output sub-module, and the testing main board main control sub-module controls the controllable power output sub-module to supply power to the wireless charging device through the probe jig module.
4. The system for realizing automatic testing on the wireless charging device according to claim 3, wherein the electrical testing submodule comprises a current and voltage detection unit and an ADC multichannel sampling unit;
the current and voltage detection unit is respectively connected with the probe jig module and the controllable power supply output submodule;
the current and voltage detection unit is used for carrying out analog-to-digital conversion pretreatment on a voltage signal on a point to be tested of the wireless charging device to obtain the voltage signal of the point to be tested, which is acceptable by the ADC multichannel sampling unit, and is also used for carrying out pretreatment operation on the detected current signal to obtain the current signal to be tested, which is acceptable by the ADC multichannel sampling unit;
the ADC multichannel sampling unit performs analog-to-digital conversion on the voltage signal of the point to be tested and the current signal to be tested, and transmits the converted voltage signal of the point to be tested and the converted current signal to the main control submodule of the test mainboard.
5. The system for implementing automatic testing for a wireless charging device of claim 2,
the main control sub-module of the test main board is connected with the receiving test fixture module through a first data communication sub-module and is used for monitoring the receiving test fixture module;
the main control sub-module of the test mainboard is connected with the upper computer module of the PC monitoring interface through a second data communication sub-module;
the main control sub-module of the test main board performs data communication with a control chip in the wireless charging device through a third data communication sub-module;
the test mainboard main control submodule is connected with the probe jig module through the frequency sampling submodule and used for obtaining the reference frequency of the wireless charging device in the test process, and the test mainboard main control submodule analyzes the reference frequency to obtain the reference frequency value.
6. The system for implementing automatic testing of a wireless charging device according to claim 1, further comprising an adapter power input module for supplying power to said test motherboard module.
7. A method for automatically testing a wireless charging device based on the system of any one of claims 1-6, the method comprising the following steps:
(1) the test mainboard module acquires test data comprising electrical parameters and performance parameters of the wireless charging device;
(2) the test mainboard module transmits the test data to the PC monitoring interface upper computer module;
(3) and the PC monitoring interface upper computer module analyzes the test data to obtain a test result, and displays the test result.
8. The method for implementing automatic testing of a wireless charging device according to claim 7, wherein the step (1) is preceded by the steps of:
(0.1) sending a test instruction to the test mainboard module by the PC monitoring interface upper computer module;
(0.2) the test mainboard module tests the pressing state of the probe jig module and transmits the pressing state test result to the PC monitoring interface upper computer module;
(0.3) the PC monitoring interface upper computer module judges whether the probe jig module is correctly pressed with the wireless charging device according to the pressing state test result;
(0.4) continuing the subsequent step (1) if the probe jig module is correctly pressed with the wireless charging device; otherwise, returning to the step (0.2), and displaying a prompt that the probe jig module waits for pressing by the upper computer module on the PC monitoring interface.
9. The method for implementing automatic testing of a wireless charging device according to claim 8, wherein if a plurality of wireless charging devices are to be tested, the method further comprises the following steps after the step (3):
(4) judging whether the probe jig module is lifted;
(5) and (4) if the probe jig module is lifted, returning to the step (0.2), otherwise, returning to the step (4).
10. The method for automatically testing the wireless charging device according to claim 7, wherein the test main board module comprises an electrical test sub-module, an overvoltage and undervoltage test sub-module, a controllable load sub-module, a frequency sampling sub-module and a test main board main control sub-module; the performance parameters comprise: the wireless charging device comprises overvoltage and undervoltage test data, loading test data, foreign matter detection protection function test data of the wireless charging device, and reference frequency and software version information of the wireless charging device.
11. The method for implementing automatic testing of a wireless charging device according to claim 10, wherein the step (1) comprises the steps of:
(1.1) the main control submodule of the test mainboard controls the electric test submodule to test the wireless charging device, and electric parameters of the wireless charging device are obtained;
(1.2) the PC monitoring interface upper computer module analyzes the electrical parameters and judges whether the electrical parameters of the wireless charging device meet the standard requirements set by the system;
(1.3) if the electrical parameters of the wireless charging device meet the standard requirements set by the system, continuing the subsequent step (1.4); otherwise, taking the currently acquired electrical parameters of the wireless charging device as the test data, and continuing the subsequent step (2);
(1.4) the main control submodule of the test mainboard reads the main chip software version of the PCBA board in the wireless charging device to obtain the software version information;
(1.5) the test mainboard main control submodule acquires the reference frequency of the wireless charging device through the frequency sampling submodule, and the test mainboard main control submodule verifies the reference frequency to acquire a corresponding reference frequency value;
(1.6) the main control submodule of the test main board tests the overvoltage and undervoltage protection functions of the wireless charging device by controlling the overvoltage and undervoltage test submodule to acquire overvoltage and undervoltage test data;
(1.7) the test mainboard module controls the receiving test fixture module to enable the receiving test fixture module to be in wireless charging connection with the wireless charging device, and enable the wireless charging power loss between the receiving test fixture module and the wireless charging device to be large, so as to obtain foreign matter detection protection function test data of the wireless charging device;
(1.8) the test mainboard module controls the controllable load submodule and the receiving test fixture module to obtain the input power, the output power, the PWM wave frequency and the wireless charging conversion efficiency of the receiving test fixture module under the conditions of no load, half load and full load in the wireless charging connection process of the receiving test fixture module and the wireless charging device, so as to obtain the on-load test data;
(1.9) taking the electrical parameters, the software version information, the reference frequency value, the overvoltage and undervoltage test data, the foreign matter detection protection function test data and the on-load test data of the wireless charging device as the test data, and continuing the subsequent step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574069.XA CN111351994B (en) | 2018-12-21 | 2018-12-21 | System for realizing automatic test for wireless charging device and corresponding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574069.XA CN111351994B (en) | 2018-12-21 | 2018-12-21 | System for realizing automatic test for wireless charging device and corresponding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111351994A CN111351994A (en) | 2020-06-30 |
| CN111351994B true CN111351994B (en) | 2022-07-05 |
Family
ID=71195453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811574069.XA Active CN111351994B (en) | 2018-12-21 | 2018-12-21 | System for realizing automatic test for wireless charging device and corresponding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111351994B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325326A (en) * | 2021-12-29 | 2022-04-12 | 上海富瀚微电子股份有限公司 | Automatic test system and method for chip electrical performance and controllable power supply module thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100353897B1 (en) * | 1995-12-27 | 2003-03-06 | 삼성탈레스 주식회사 | Automatic test apparatus of wireless device and control method thereof |
| CN107340445A (en) * | 2017-08-15 | 2017-11-10 | 中惠创智无线供电技术有限公司 | A kind of electric automobile wireless charging Auto-Test System |
| CN108490249A (en) * | 2018-04-18 | 2018-09-04 | 深圳市全智芯科技有限公司 | A kind of detection method of wireless charging receiving terminal aging jig |
| CN108896900B (en) * | 2018-05-08 | 2021-03-30 | 成都市易冲半导体有限公司 | Wireless charging system function testing device and testing method |
-
2018
- 2018-12-21 CN CN201811574069.XA patent/CN111351994B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111351994A (en) | 2020-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106771972B (en) | Automatic testing device, system and method for POS machine mainboard | |
| CN107678960B (en) | Intelligent ammeter software black box testing system and method | |
| CN102707167B (en) | State monitoring system for grounding grid based on industrial personal computer | |
| CN103189811B (en) | Presence and operability test of a decoupling capacitor | |
| CN108896900B (en) | Wireless charging system function testing device and testing method | |
| CN110554351A (en) | real load detection method and system of non-invasive load electric energy meter | |
| CN103901388A (en) | Parallel detection terminal device and detection method | |
| CN105116369A (en) | Radio frequency radiation disturbance rejection degree test apparatus and system | |
| CN108333448A (en) | Transformer routine test comprehensive test device | |
| CN107064682A (en) | Assembly detection apparatus | |
| CN105548865A (en) | Camera module group power-on time sequence testing device and method | |
| CN105301382A (en) | Electronic device and detection method thereof | |
| CN111239637A (en) | Server power supply current sharing detection device and method | |
| CN111351994B (en) | System for realizing automatic test for wireless charging device and corresponding method | |
| CN111427929A (en) | Product detection and correction method, device, equipment and computer storage medium | |
| CN110764044A (en) | Voltage ripple detection device, system and detection method thereof | |
| CN201126458Y (en) | Power line detection apparatus | |
| US20140320161A1 (en) | Testing system and method for dc-to-dc buck converter circuit | |
| CN218788073U (en) | Circuit equipment testing device | |
| CN207457381U (en) | A kind of signal processing module overall checkout equipment | |
| CN210181590U (en) | MCU parameter testing system | |
| CN212256104U (en) | Drive accuse intergral template testing arrangement | |
| CN103901370B (en) | Magnetic resonance system, radio frequency coil testing device and channel matching method and device | |
| CN109342971B (en) | Fill electric pile part quality detecting system and fill electric pile part detecting system of alternating current direct current | |
| CN219067930U (en) | Wireless charging transmitting terminal power consumption measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 214135 -6, Linghu Avenue, Wuxi Taihu international science and Technology Park, Wuxi, Jiangsu, China, 180 Applicant after: China Resources micro integrated circuit (Wuxi) Co., Ltd Address before: 214135 Jiangsu city of Wuxi province Taihu international science and Technology Park Linghu Road No. 180 -22 Applicant before: WUXI CHINA RESOURCES SEMICO Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |