SUMMERY OF THE UTILITY MODEL
The WiFi module test system and the WiFi module test device provided by the embodiment of the application can improve the test efficiency of the WiFi module. The technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a WiFi module testing system, including:
the automatic sorting machine and the WiFi module testing device;
WiFi module testing arrangement includes: the circuit board is provided with a main control circuit, a radio frequency test circuit, a DUT test socket circuit and a sorting signal output circuit;
the DUT test circuit comprises a DUT test seat, and the DUT test seat is used for bearing a WiFi module to be tested;
the radio frequency test circuit is connected with the DUT test seat circuit and used for carrying out radio frequency test on the WiFi module to be tested to obtain a radio frequency test index value;
the master control circuit comprises a master control chip, is connected with the radio frequency test circuit and the sorting signal output circuit and is used for outputting sorting signals to the automatic sorting machine through the sorting signal output circuit according to the radio frequency test index value;
the automatic sorting machine is connected with the sorting signal output circuit.
In a second aspect, an embodiment of the present application provides a WiFi module testing apparatus, including:
the circuit board and the master control circuit, the radio frequency test circuit, the DUT test seat circuit and the sorting signal output circuit which are positioned on the circuit board;
the DUT test circuit comprises a DUT test seat, and the DUT test seat is used for bearing a WiFi module to be tested;
the radio frequency test circuit is connected with the DUT test seat circuit and is used for carrying out radio frequency test on the WiFi module to be tested to obtain a radio frequency test index value;
the master control circuit comprises a master control chip, is connected with the radio frequency test circuit and the sorting signal output circuit and is used for outputting sorting signals to the automatic sorting machine through the sorting signal output circuit according to the radio frequency test index value.
The beneficial effects brought by the technical scheme provided by some embodiments of the application at least comprise:
the WiFi module testing device carries out video testing on the WiFi module to be tested connected in the DUT testing interface circuit through the radio frequency testing device to obtain a radio frequency index value, the main control circuit outputs a sorting signal to the automatic sorting machine through the sorting signal output circuit according to the radio frequency index value, the automatic sorting machine automatically selects unqualified WiFi modules to be tested based on the sorting signal, and testing efficiency of the WiFi modules is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a WiFi test module provided in an embodiment of the present application;
fig. 2 is a circuit diagram of a master control circuit provided in an embodiment of the present application;
FIG. 3 is a circuit diagram of a filter circuit provided by an embodiment of the present application;
FIG. 4 is a circuit diagram of a power input circuit provided by an embodiment of the present application;
FIG. 5 is a circuit diagram of an RF test circuit according to an embodiment of the present application;
FIG. 6 is a circuit diagram of a current detection circuit provided by an embodiment of the present application;
fig. 7 is a circuit diagram of a current protection circuit provided in an embodiment of the present application;
fig. 8 is a circuit diagram of a relay circuit provided in an embodiment of the present application;
fig. 9 is a circuit diagram of a sorting signal output circuit provided by an embodiment of the present application;
FIG. 10 is a circuit diagram of an adapter interface circuit provided by an embodiment of the present application;
FIG. 11 is a circuit diagram of DUT test socket circuitry provided by an embodiment of the present application;
FIG. 12 is a circuit diagram of a keyswitch circuit provided in an embodiment of the present application;
FIG. 13 is a circuit diagram of a debug interface circuit provided by an embodiment of the present application;
fig. 14 is a circuit diagram of a communication interface circuit provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a schematic structural diagram of a WiFi module testing apparatus, including: the circuit board and the main control circuit, the radio frequency test circuit, the DUT test seat circuit and the sorting signal output circuit which are positioned on the circuit board, and the circuit board can be a rigid circuit board or a flexible circuit board.
The DUT test circuit comprises a DUT test seat, the DUT test seat is used for bearing a WiFi module to be tested, and the WiFi module can be a WiFi chip or a circuit board provided with the WiFi chip. The DUT test seat is provided with a locking mechanism, when the WiFi module is inserted into the DUT test seat, a user presses the WiFi module and then the locking mechanism locks the WiFi module to enter a locking state so as to control the pins of the WiFi module to be in close contact with the pins of the DUT test seat to realize electric conduction; at the locking state, after the user pressed the wiFi module once more, locking mechanical system popped out the wiFi module.
The radio frequency test circuit is connected with the DUT test seat circuit and used for performing radio frequency test on the WiFi module to be tested to obtain a radio frequency test index value, for example: the radio frequency index value comprises: power values, frequency offset values or error vector magnitude values, etc.
Referring to fig. 5, which is a schematic structural diagram of the radio frequency test circuit provided in the embodiment of the present application, a connection relationship between devices included in the radio frequency test circuit and each device may be as shown in fig. 5, and details are not repeated here.
The master control circuit includes: the main control chip is connected with the radio frequency test circuit and the sorting signal output circuit and used for outputting sorting signals to the automatic sorting machine through the sorting signal output circuit according to radio frequency test index values, the sorting signals comprise qualified signals and unqualified signals, the automatic sorting machine is connected with the sorting signal output circuit, and the automatic sorting machine utilizes the sorting mechanism to sort out WiFi modules when receiving the unqualified signals, for example: the sorting mechanism may be a robotic arm or the like.
Referring to fig. 11, in a circuit diagram of the DUT test socket circuit provided in this embodiment of the present application, a WiFi chip U17 is used as a WiFi module to be tested that is inserted into a DUT test socket set in the DUT test socket circuit, and connection relationships between devices included in the DUT test socket circuit and the respective devices may be as shown in fig. 11 and are not described herein again.
Referring to fig. 9, which is a circuit diagram of a sorting signal output circuit provided in an embodiment of the present application, the sorting signal output circuit may output 4 types of signals to an automatic sorting machine: the connection relationship between the devices included in the selection signal output circuit and each device may be as shown in fig. 9, which is not described herein again.
In this embodiment of the application, referring to the schematic structural diagram of the main control circuit shown in fig. 2, the model of the main control chip included in the main control circuit is TXW830X _ QFN96, the main control chip is a chip with 96 pins, and a device with a capacitor and a resistor is further disposed on the periphery of the main control chip, and a specific connection relationship of the device may be shown in fig. 2 and is not described herein again.
In this embodiment of the application, wiFi module testing arrangement still includes: and the filter circuit is connected with the main control chip, specifically connected with a power pin of the main control chip, and used for performing power filtering on the main control chip and improving the interference capability of the main control chip.
Referring to fig. 3, a schematic structural diagram of a filter circuit provided in an embodiment of the present application is shown, where the filter circuit includes multiple capacitors, and specific device connection relationships may be shown in fig. 3 and are not described herein again.
In this application embodiment, wiFi module testing arrangement still includes:
and the power input circuit is connected with the main control circuit, the radio frequency test circuit and the sorting signal output circuit and is used for providing working voltage signals for each circuit. The power input circuit rectifies and filters the input voltage signal to obtain a direct current voltage signal, and then provides the direct current voltage signal as a working voltage signal for each component in the WiFi module.
Referring to fig. 4, a schematic diagram of a structure of a power input circuit provided in the embodiment of the present application is shown, and reference may be made to fig. 4 for a connection relationship between devices included in the power input circuit, which is not described herein again.
In this embodiment of the application, wiFi module testing arrangement still includes:
current detection circuit and current protection circuit, current detection circuit links to each other with the wiFi module that awaits measuring, and current protection circuit links to each other with current detection circuit, and current detection circuit detects the supply current of the wiFi module that awaits measuring, and current protection circuit cuts off the power supply to the wiFi module that awaits measuring when judging according to power supply circuit and taking place short circuit phenomenon or overcurrent phenomenon, stops to provide the operating voltage signal for the wiFi module that awaits measuring to play the guard action.
Referring to the circuit diagram of the current detection circuit in fig. 6 and the circuit diagram of the current protection circuit in fig. 7, the connection relationship between the devices included in the current detection circuit and each device may be shown in fig. 6, and the connection relationship between the devices included in the current protection circuit and each device may be shown in fig. 7, which are not described again here.
In this application embodiment, wiFi module testing arrangement still includes:
and the communication interface circuit is connected with the main control chip and is used for sending the test result to an upper computer.
Referring to fig. 14, a circuit diagram of a communication interface circuit is shown, the communication interface circuit communicates with an upper computer by using a URAT protocol, and a connection relationship between devices included in the communication interface circuit and each device is shown in fig. 14, which is not described herein again.
In this application embodiment, wiFi module testing arrangement still includes:
the key switch circuit and the result display circuit are connected with the main control chip. The key switch circuit is used for executing radio frequency test on the WiFi module to be tested through key actions of a user after the WiFi module testing device is powered on. The result display circuit can include the pilot lamp, and it is qualified when the wiFi module test that awaits measuring ends, and the pilot lamp shows green, and when the wiFi module test that awaits measuring is unqualified, the pilot lamp shows red.
Referring to fig. 12, in a circuit diagram of the key switch circuit provided in the embodiment of the present application, a user starts a test on a WiFi module to be tested through the key switch circuit, and reference may be made to fig. 12 for connection relationships between devices included in the key switch circuit and each device.
In this application embodiment, wiFi module testing arrangement still includes:
and the relay circuit is connected with the DUT test seat circuit and is used for disconnecting the power supply to the DUT test seat when detecting that the WiFi module to be tested is not inserted into the DUT test seat.
Referring to fig. 8, a circuit diagram of a relay circuit provided in an embodiment of the present application, a connection relationship between devices included in the relay circuit and each device may be as shown in fig. 8.
In this embodiment of the application, wiFi module testing arrangement still includes: and the switching interface circuit is connected with the DUT test seat circuit and is used for outputting the radio frequency index value of the WiFi module to be tested.
Referring to fig. 10, a circuit diagram of an adapter circuit provided in an embodiment of the present application, a connection relationship between a device included in the adapter circuit and each device may be as shown in fig. 10.
In this embodiment of the application, wiFi module testing arrangement still includes: and the debugging interface circuit is connected with the main control chip and is used for debugging the main control chip.
Referring to fig. 13, for a circuit diagram of a debug interface provided in an embodiment of the present application, a connection relationship between devices included in a debug interface circuit and each device may be referred to as shown in fig. 13.
The utility model provides a wiFi device testing arrangement and system, concrete following technological effect: the WiFi module testing device carries out video testing on the WiFi module to be tested connected in the DUT testing interface circuit through the radio frequency testing device to obtain a radio frequency index value, the main control circuit outputs a sorting signal to the automatic sorting machine through the sorting signal output circuit according to the radio frequency index value, the automatic sorting machine automatically selects unqualified WiFi modules to be tested based on the sorting signal, and testing efficiency of the WiFi modules is improved.
The WiFi module testing apparatus provided by the embodiment of the present application can further include, besides the circuit described above: a casing for accommodating the above circuits, a display screen, an input device (such as a keyboard, a mouse or a touch screen), and the like.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.