Testing device of Dongle network receiver

Abstract

The utility model provides a testing device of a Dongle network receiver. The testing device comprises a panel layer used for arranging a plurality of tested Dongle devices and a control circuit layer used for building a testing environment. The control circuit layer comprises a plurality of test channels and a relay module, and each test channel is independently configured with different test parameters; the testing channel comprises an MCU module used for controlling testing, the MCU module comprises a master control MCU and a plurality of sub-MCUs which are connected with each other, the master control MCU is connected with the relay module, and each sub-MCU is correspondingly connected with each tested Dongle device on the panel layer. The Dongle equipment testing system is simple and reasonable in structure and high in integrity, supports automatic testing of a plurality of Dongle equipment in various different testing modes at the same time, effectively improves the comprehensive testing effect of Dongle equipment testing, improves the integrity and accuracy of testing, reduces the labor cost and improves the testing efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to communication technical field, especially, relate to Dongle equipment test tool, instrument and device technical field, specifically, relate to a kind of testing device of Dongle network receiver. BACKGROUND

[0002] With the development of mobile internet technology, user network use scene is increasing, Dongle network receiver (for easy description, simply "Dongle equipment" in this paper) has become an indispensable part in people's daily life.Dongle equipment is a connector that can be attached to the parallel port, serial port or USB of computer, it usually contains factory EPROM and customized ASIC.

[0003] To ensure the product quality of Dongle equipment, manufacturer usually carries out production test to Dongle equipment product, to ensure that Dongle equipment can still work normally after being delivered to user for long time, especially Dongle equipment repeated plug, network registration and other tests.

[0004] However, the existing Dongle equipment production test mode is usually manually tested for single Dongle equipment, and the function mode is single, for example, Dongle equipment can only be tested for one kind of repeated plug frequency, cannot cover all use cases of Dongle equipment, the representativeness and accuracy of test result are low, and the comprehensive performance of Dongle equipment in wide application scenarios cannot be truly reflected. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at designing a kind of testing device of Dongle network receiver, constructs the control circuit layer including MCU module, relay module and the panel layer of being set multiple Dongle equipment to be tested, control circuit layer connects power supply and computer, supports multiple Dongle equipment to carry out multiple different test mode test simultaneously;When manufacturer carries out research and development internal test and product delivery test, multiple Dongle equipment can be simultaneously tested for long time multiple test mode automation;Improve the comprehensive test effect of Dongle equipment test, improve the integrity and accuracy of test, reduce labor cost, improve test efficiency.

[0006] The utility model provides a kind of Dongle network receiver's testing device, comprising: for setting multiple panel layers of test Dongle equipment, and for the control circuit layer of building test environment;The control circuit layer includes multiple test channels, relay module, different test parameters (such as repeated plug frequency) are separately configured in each test channel;The test channel includes the MCU module for controlling test, and the MCU module includes: mutually connected main control MCU, multiple sub-MCU, the main control MCU is connected the relay module, each sub-MCU is respectively corresponding to connect each test Dongle equipment on the panel layer.

[0007] Specifically, with three test channels as an example, 3 GPIO pins in main control MCU are connected with IN pin of relay module in channel 1, channel 2 and channel 3 respectively, and main control MCU controls the connection / disconnection of relay module by controlling the high / low level output of corresponding GPIO pin;Main control MCU is connected with all sub-MCU through SPI (Serial Peripheral interface) interface, and main control MCU is in master mode, and all sub-MCU is in slave mode (SPI is divided into master and slave two modes, and one SPI communication system needs to include one (and only one) master device and one or more slave devices).

[0008] The functions of sub-MCU are as follows:

[0009] ①receive the signal of main control MCU (mainly the time point of high / low level output and connection / disconnection of main control MCU to relay module, after receiving the signal, start to execute subsequent logic);

[0010] ②send control instruction to test Dongle equipment, judge whether test Dongle equipment is successfully started and networked;

[0011] ③feed back the network condition of test Dongle equipment to main control MCU, and use PWM (Pulse Width Modulation) to control LED light color (red: unsuccessful network, green: successful network)。

[0012] The front end of relay module is connected with test power supply for test Dongle equipment, and the rear end of relay module is connected with the panel layer, and relay module correspondingly executes opening or closing, to realize on-off test of test Dongle equipment.

[0013] The prior art Dongle network receiver test can only test one test scene (such as repeated plug-in frequency), and cannot cover all use cases of the Dongle device, and the test method has low representativeness and accuracy of the test result, and cannot truly reflect the comprehensive performance of the Dongle network receiver in a wide range of application scenes. The utility model discloses a multi-channel test mode is built for the defects of the traditional Dongle device test, different test frequency signals can be transmitted in each test channel, and a plurality of different test frequencies are provided. In actual application, according to the various needs of test frequency, each test channel is connected to the corresponding test frequency of the Dongle device to be tested. By controlling the frequency of the opening and closing of the relay module in each test channel, the test effect of power-on and power-off of multiple frequencies is realized, and the repeated plug-in test of the Dongle device to be tested is completed. The Dongle device with multiple plug-in frequency requirements is comprehensively tested, the Dongle device test is more comprehensive and complete, the test result is more comprehensive, representative and integral, and the accuracy of the test effect is improved.

[0014] Further, the relay module includes a NO normally open interface for realizing a normally open state, a NC normally closed interface for realizing a normally closed state, and a COM common interface for contacting the NC normally closed interface or the NO normally open interface according to whether power is on or not.

[0015] By controlling the connection of the COM (Common) interface and the NO (Normal Open) interface of the relay module, the test circuit can be controlled to be turned off, and by controlling the connection of the COM interface and the NC (Normal Closed) interface, the test circuit can be controlled to be connected.

[0016] Further, the control circuit layer further includes a storage device for storing test logs, and the storage device is connected to the main control MCU.

[0017] The main control MCU stores the test logs in the storage device, and the test logs can be exported through the interface (preferably a USB interface) of the storage device.

[0018] Specifically, the MCU module has a built-in control program, which is divided into the following three modes (all modes save test logs to the storage device, the test personnel can export logs through the USB and analyze the test results as needed):

[0019] ① Aging test mode: automatic cycle test, control 3 GPIO (General Purpose Input Output) pins in MCU module to output high / low level (corresponding to test channel 1, test channel 2, test channel 3), and support setting the output frequency of each GPIO pin (corresponding to the on / off frequency of the relay module) individually, no signal is sent to the sub-MCU and data from the sub-MCU is received in this mode;

[0020] ② Network setting test mode: channel 1, channel 2, channel 3 relays are kept in the connected state, and the sub-MCU is kept in the running state, real-time monitoring of the network setting of the tested Dongle device, the use scene is as follows: Dongle device needs to be guaranteed to be able to be normally networked before leaving the factory, then network setting test needs to be done before each Dongle device leaves the factory, the test personnel manually inserts the Dongle device in turn to judge whether the network setting is successful or not;

[0021] ③ Power-on + network setting time test mode: automatic cycle test, control the relay module to connect / disconnect, and send a signal to the sub-MCU, the sub-MCU starts timing after receiving the signal, judges whether the tested Dongle device is successfully networked within the specified time and the time consumed for successful network setting, and feeds back the result to the main control MCU.

[0022] Further, the panel layer comprises a plurality of adapter boards, the plurality of adapter boards comprise a plurality of adapter boards for inserting the tested Dongle device and an adapter board for connecting the control circuit layer; the adapter board for connecting the control circuit layer is electrically connected with the adapter board for inserting the tested Dongle device.

[0023] Preferably, the type of the adapter board of the utility model can be designed as a USB Type-C adapter board, for example, 12 USB Type-C adapter boards (which can be increased or decreased according to actual conditions), divided into 3 rows (corresponding to channel 1, channel 2 and channel 3 of the control circuit layer respectively), 4 in each row, for inserting the tested Dongle device and connecting the control circuit layer; a USB interface and a Type-C interface are arranged on the USB Type-C adapter board, the data transmission mode of a USB data line and a Type-C data line is adopted, the USB standard is unified, a plurality of peripheral devices can be compatible, almost all operating systems and device types support USB, including Windows, Mac OS, Linux and other operating systems. USB can realize bidirectional communication by using a pair of transmission lines, thereby reducing the cost; Type-C adopts full-duplex communication technology, can realize reading and writing of data at the same time, in terms of transmission speed, Type-C interface has high efficiency, can quickly complete operations such as data copying and moving.

[0024] Preferably, the control circuit layer further comprises a computer interface for receiving computer control test commands, preferably the computer interface adopts a USB interface, the USB interface is connected with the USB pin corresponding to the main control MCU, for users to set test parameters and obtain test logs in the storage device; according to the actual test application scene, different test tools on the computer side can be matched to set the device test parameters (channel 1, channel 2, channel 3 support separate configuration of different test scenes), realize different test requirements, for example: the test personnel establish a connection between the computer and the panel layer, and in the test process of setting time, whether the Dongle device can normally provide network for the computer after being powered on is monitored in real time, and the test of the Dongle device connected by the USB Type-C adapter board is realized.

[0025] Preferably, the computer interface adopts a Micro USB interface, which is smaller than the standard USB and Mini-USB connectors, saves space, has a plug-in life and strength of up to 10,000 times, and a blind plug structure design. The Micro-USB data line standard supports the OTG function of USB, that is, portable devices can directly realize data transmission between them without a host (such as a personal computer), compatible with USB 1.1 (low speed: 1.5Mb / s, full speed: 12Mb / s) and USB 2.0 (high speed: 60Mb / s), while providing data transmission and charging, especially suitable for high-speed (HS) or higher-speed data transmission.

[0026] Further, the adapter board for inserting the Dongle device under test comprises a VCC power supply voltage interface for providing test voltage to the Dongle device under test; the VCC power supply voltage interface is electrically connected with the NO normally open interface of the relay module.

[0027] In this embodiment, the VCC power supply voltage interface of the adapter board for inserting the Dongle device under test is connected with the NO normally open interface (Normally Open: normally open, i.e. default off) of the relay module, i.e. in the default state, the Dongle device under test is not powered, to avoid damage to the Dongle device under test due to mispowering. The Dongle device under test is powered only when the power is controlled, to ensure the test safety of the Dongle device under test.

[0028] Further, the adapter board for inserting the Dongle device under test further comprises a data line positive interface and a data line negative interface for connecting the test data line of the Dongle device under test; the data line positive interface and the data line negative interface are respectively connected with the data positive pole and the data negative pole of the test data line.

[0029] Preferably, the data line positive electrode interface and the data line negative electrode interface are respectively a Type-C data line D+ interface and a Type-C data line D- interface. Test personnel use a Type-C data line to connect a computer to the D+ interface and the D- interface of the adapter plate for inserting the Dongle device under test, and monitor in real time whether the Dongle device can normally provide network for the computer after being powered on during the test.

[0030] Preferably, the data line positive electrode interface and the data line negative electrode interface are respectively a Type-C data line D+ interface and a Type-C data line D- interface. Test personnel use a Type-C data line to connect a computer to the D+ interface and the D- interface of the adapter plate for inserting the Dongle device under test, and monitor in real time whether the Dongle device can normally provide network for the computer after being powered on during the test.

[0031] Further, the control circuit layer includes a test power supply positive electrode interface and a test power supply negative electrode interface for converting the power supply of the test power supply into the test voltage and current suitable for the Dongle device under test, and the test power supply positive electrode interface and the test power supply negative electrode interface are respectively connected to the positive electrode and the negative electrode of the test power supply.

[0032] Specifically, the test power supply positive electrode interface and the test power supply negative electrode interface are connected to the test power supply through a power supply connection line, convert the input voltage and input current provided by the test power supply into the appropriate voltage and current required by the Dongle device under test, and ensure stable transmission of the current, complete the test power supply task, and thus protect the Dongle device under test from damage caused by voltage fluctuation or current overload.

[0033] Further, the adapter plate for inserting the Dongle device under test further includes a GND ground interface for providing a reference zero potential and grounding, the GND ground interface is connected to a ground wire, and the ground wire is connected to the negative electrode of the test power supply.

[0034] The GND ground interface provides a stable reference potential for the circuit, the ground wire is a zero potential point in the circuit, and all other potentials are measured relative to this reference zero potential point to ensure normal operation of the test circuit. The GND ground interface is connected to the ground wire, which can effectively introduce interference current into the ground, eliminate the interference of static electricity and electromagnetic interference on the circuit, and ensure the stability and safety of the test circuit.

[0035] Further, the control circuit layer is also connected with a device power supply for supplying power to the test device itself, the control circuit layer comprises a device power supply positive pole interface and a device power supply negative pole interface, and the device power supply positive pole interface and the device power supply negative pole interface are connected with the positive pole and the negative pole of the device power supply respectively.

[0036] Specifically, the device power supply positive pole interface and the device power supply negative pole interface can be connected to the device power supply through the power supply connecting line to provide working power for the test device itself and ensure the continuous test.

[0037] Further, the control circuit layer further comprises a plurality of LED lamps corresponding to the plurality of tested Dongle devices one by one, and the LED lamps are connected with the master MCU.

[0038] The sub MCU feeds back the network injection test condition of the tested Dongle device to the master MCU, and controls the color of the LED lamp by using PWM (Pulse Width Modulation).

[0039] Compared with the prior art, the Dongle network receiver test device provided by the utility model has the advantages of simple and reasonable structure, high integrity, and the like.

[0040] The Dongle network receiver test device provided by the utility model has the advantages of simple and reasonable structure, high integrity, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0041] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the utility model.

[0042] In the drawings:

[0043] Figure 1 The structure diagram of the Dongle network receiver test device of the utility model embodiment is shown in the figure.

[0044] Figure 2The Dongle network receiver's test device's architecture schematic diagram of the embodiment of the utility model.

[0045] The mark in the drawing indicates that:

[0046] 1, panel layer, 11, USB Type-C adapter board, 111, Type-C interface, 12, LED lamp, 2, control circuit layer, 211, main control MCU, 212, sub MCU, 22, relay module, 23, storage device, 01, test power supply, 011, test power supply positive interface, 012, test power supply negative interface, 02, device power supply, 021, device power supply positive interface, 022, device power supply negative interface. DETAILED DESCRIPTION

[0047] Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. In the following description, unless otherwise expressly specified, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments are not representative of all embodiments consistent with the present disclosure. Rather, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0048] The terms used in the present disclosure are merely for the purpose of describing particular embodiments and are not intended to limit the present disclosure. The singular forms "a," "an," and "the" used in the present disclosure and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0049] It should be understood that although the terms first, second, third, etc. can be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the present disclosure, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "when" or "upon determination" or "in response to determining".

[0050] The utility model embodiment provides a kind of Dongle network receiver's test device, referring to Figure 1 As shown in the drawing, it includes panel layer 1 for setting multiple Dongle devices to be tested, and control circuit layer 2 for building test environment;Referring to Figure 2As shown, the control circuit layer 2 includes 3 test channels (channel 1, channel 2, channel 3), a relay module 22, each test channel is configured with different test parameters; the test channel includes an MCU module for controlling the test, the MCU module includes: a master MCU 211, a plurality of sub-MCUs 212 connected with each other, the master MCU 21 is connected with the relay module 22, and each sub-MCU 212 is connected with each Dongle device to be tested on the panel layer 1.

[0051] In the embodiment, 3 GPIO pins in the master MCU 211 are connected with the IN pins of the relay module 22 in the channel 1, the channel 2 and the channel 3 respectively, the master MCU 211 controls the connection / disconnection of the relay module 22 by controlling the high / low level output of the corresponding GPIO pin; the master MCU 21 is connected with all the sub-MCUs 212 through an SPI (Serial Peripheral Interface) interface, the master MCU 211 is in the master mode, and all the sub-MCUs 212 are in the slave mode (the SPI is divided into master and slave modes, one SPI communication system needs to include one (and only one) master device and one or more slave devices). The front end of the relay module 22 is connected with a test power supply 01 for supplying power to the Dongle device to be tested, the rear end of the relay module 22 is connected with the panel layer 1, and the relay module 22 correspondingly performs opening or closing to realize the on / off test of the Dongle device to be tested. The embodiment constructs a multi-channel test mode, different test frequency signals can be transmitted in each test channel, and multiple different test frequencies are provided, according to multiple requirements of the test frequency, each test channel is connected with the Dongle device to be tested of the corresponding test frequency; by controlling the disconnection and connection frequency of the relay module 22 in each test channel, the test effect of multiple frequencies of power-on and power-off is realized, and the repeated plug-in test of multiple frequencies of the Dongle device to be tested is completed. The Dongle devices with multiple different plug-in frequency requirements are comprehensively tested, the test of the Dongle device is more comprehensive and complete, and the test result is more comprehensive, representative and integral.

[0052] The control circuit layer 2 further includes a storage device 23 for storing test logs, and the storage device 23 is signal-connected with the master MCU 21. The master MCU 211 stores the test logs to the storage device 23, and the test logs can be exported through a USB interface. The MCU module has a built-in control program, which is divided into the following three modes (all modes save the test logs to the storage device 23, the test personnel can export the logs through the USB and analyze the test results as required):

[0053] ① Aging test mode: automatic cycle test, control the 3 GPIO (General Purpose Input Output) pins in the MCU module to output high / low level (corresponding to test channel 1, test channel 2, test channel 3), and support setting the output frequency of each GPIO pin (corresponding to the on / off frequency of the relay module) individually, no signal is sent to the sub-MCU 212 and the data of the sub-MCU 212 is received in this mode;

[0054] ② Network setting test mode: channel 1, channel 2, channel 3 and the relay module 22 are all in a connected state, and the sub-MCU 212 is in a running state, which monitors the network setting of the Dongle device in real time, and the use scene is as follows: Dongle devices need to be tested for network setting before leaving the factory, and the test personnel manually insert the Dongle devices one by one to judge whether the network setting is successful or not;

[0055] ③ Power-on + network setting time test mode: automatic cycle test, control the relay module 22 to connect / disconnect, and send a signal to the sub-MCU 212, the sub-MCU 212 starts timing after receiving the signal, judges whether the Dongle device under test is successfully networked within the specified time and the time consumed for successful network setting, and feeds back the result to the main control MCU 211.

[0056] The control circuit layer further comprises: a plurality of LED lamps 12 corresponding to the plurality of Dongle devices under test one by one, and the LED lamps 12 are in signal connection with the main control MCU 211. The sub-MCU 212 feeds back the network setting test situation of the Dongle device under test to the main control MCU 211, and controls the color of the LED lamp 12 using PWM (Pulse Width Modulation), red indicating that the network setting is not successful, and green indicating that the network setting is successful.

[0057] The relay module 22 comprises a NO normally open interface realizing a normally open state, a NC normally closed interface realizing a normally closed state, and a COM common end interface for contacting the NC normally closed interface or the NO normally open interface according to whether power is supplied or not, and the COM common end interface is electrically connected with the NO normally open interface or the NC normally closed interface. By controlling the connection of the COM interface and the NO interface of the relay module 22, the off of the test circuit is controlled, and by controlling the connection of the COM interface and the NC interface, the communication of the test circuit is controlled.

[0058] The panel layer 1 includes a plurality of adapters, which include a plurality of adapters for inserting the Dongle device under test and adapters for connecting the control circuit layer; the adapters for connecting the control circuit layer are electrically connected with the adapters for inserting the Dongle device under test. The type of the adapter in the embodiment is designed as a USB Type-C adapter 11, which is provided with a USB interface and a Type-C interface 111, adopts a data transmission mode of a USB data line and a Type-C data line, has a unified USB standard, and can be compatible with a plurality of peripheral devices. The USB can realize bidirectional communication by using a pair of transmission lines, thereby reducing the cost; the Type-C adopts a full-duplex communication technology, can simultaneously realize reading and writing of data, and has a very high transmission rate, and can quickly complete operations such as copying and moving of data.

[0059] The control circuit layer 2 further includes a computer interface for receiving a computer control test command, and the computer interface adopts a MicroUSB interface. According to actual test application scenarios, different test tools on the computer side can be matched to realize different test requirements. The tester establishes a connection between the computer and the panel layer, and in the test process of a set time, whether the Dongle device under test can normally provide network for the computer after being powered on is monitored in real time, thereby realizing aging test of the Dongle device under test connected with the USB Type-C adapter.

[0060] The adapter for inserting the Dongle device under test includes a VCC power supply voltage interface for providing a test voltage for the Dongle device under test; the VCC power supply voltage interface is electrically connected with a NO normally open interface of the relay module. In the embodiment, the VCC power supply voltage interface of the adapter for inserting the Dongle device under test is connected with the NO normally open interface (Normally Open: normally open, that is, default off) of the relay module 22, that is, in the default state, the Dongle device under test is not powered, thereby avoiding damage of the Dongle device under test due to mispowering. The Dongle device under test is powered only when the power is controlled, thereby guaranteeing test safety of the Dongle device under test.

[0061] The adapter plate for inserting the Dongle device under test further comprises a data line positive interface and a data line negative interface for connecting the test data line of the Dongle device under test; the data line positive interface and the data line negative interface are respectively connected to the data positive pole and the data negative pole of the test data line. The data line positive interface and the data line negative interface respectively adopt a Type-C data line D+ interface and a Type-C data line D- interface. The test personnel uses a Type-C data line to establish a connection between the computer and the D+ interface and the D- interface of the adapter plate for inserting the Dongle device under test. During the test process, whether the Dongle device can normally provide network for the computer after being powered on is monitored in real time. In the embodiment, the data line positive interface and the data line negative interface are both extended with an electric wire for length adaptation. The end of the electric wire extended by the data line positive interface is an interface mode of a male head of a Dupont wire connector, and the end of the electric wire extended by the data line negative interface is an interface mode of a female head of the Dupont wire connector. The Dupont wire male and female heads are easy to connect and plug, can be kept firm after being matched, and can be reused. The interface is usually 2.54 mm, and is suitable for connection between various electronic components. In the case that the length of the test data line is not enough due to the limitation of the test environment, the electric wires extended by the data line positive interface and the data line negative interface can be used for redundant adaptation.

[0062] The control circuit layer comprises a test power supply positive interface 011 and a test power supply negative interface 012 for converting the power supply of the test power supply 01 into an adaptive voltage and current of the Dongle device under test. The test power supply positive interface 011 and the test power supply negative interface 012 are respectively connected to the positive pole and the negative pole of the test power supply 01. The test power supply positive interface 011 and the test power supply negative interface 012 are connected to the test power supply 01 through a power supply connection line, convert the input voltage and input current provided by the test power supply 01 into appropriate voltage and current required by the Dongle device under test, and ensure stable transmission of the current, complete the test power supply task, and thus protect the Dongle device under test from damage caused by voltage fluctuation or current overload.

[0063] The adapter plate for inserting the Dongle device under test further comprises a GND ground interface for providing a reference zero potential and grounding. The GND ground interface is connected with a ground wire, and the ground wire is connected with the negative pole of the test power supply. The GND ground interface provides a stable reference potential for the circuit. The ground wire is a zero potential point in the circuit, and all other potentials are measured relative to this reference zero potential point, which ensures the normal work of the test circuit. The GND ground interface is connected with the ground wire, and the ground wire can effectively introduce interference current into the ground, which can eliminate the interference of static electricity and electromagnetic interference on the circuit, and ensure the stability and safety of the test circuit.

[0064] The control circuit layer is also connected with a device power supply 02 for supplying power to the test device itself. The control circuit layer 2 comprises a device power supply positive electrode interface 021 and a device power supply negative electrode interface 022, which are respectively connected with the positive electrode and the negative electrode of the device power supply 02. The device power supply positive electrode interface 021 and the device power supply negative electrode interface 022 can be connected to the device power supply through a power supply connecting line to provide working power for the test device itself and ensure the continuous test.

[0065] In this embodiment, the positive electrode of the test power supply 01 is connected with the COM (Common) interface of the relay module in the channel 1. The relay module 22 comprises a COM interface, a NO (Normally Open) interface and a NC (Normally Closed) interface. By controlling the COM interface to be connected with the NO interface or the NC interface, the circuit can be controlled to be turned on or turned off.

[0066] The VCC power supply voltage interface of the USB Type-C adapter board is connected with the NO interface of the relay module.

[0067] The GND grounding interface of the USB Type-C adapter board 11 is connected with the negative electrode of the test power supply 01.

[0068] All the sub-MCUs 212 are connected with the data line positive electrode interface and the data line negative electrode interface (D+, D-) of the USB Type-C adapter board, which are used to establish data communication with the tested Dongle device. Meanwhile, the sub-MCUs 212 are connected with the LED lamp 12, and the network state of the tested Dongle device can be determined by the color of the LED lamp 12 (red: unsuccessful network registration, green: successful network registration).

[0069] The device power supply 02 is connected with the device power supply positive electrode interface 021 and the device power supply negative electrode interface 022 in the test device, which is used to supply power to the MCU module and the relay module 22 in the test device.

[0070] In the actual application, the test device of this embodiment can adopt the following steps:

[0071] 1. The test device of this embodiment is packaged as an instrument or a tool.

[0072] 2. The computer establishes a connection with the test device through the USB interface and sets a test scene.

[0073] 3. A plurality of tested Dongle devices are respectively inserted into the Type-C interfaces 111 of the connecting board.

[0074] 4. The test power supply 01 (a direct current power supply) is connected with the test power supply positive electrode interface 011 and the test power supply negative electrode interface 012 of the packaged instrument or tool, and normal power supply is provided.

[0075] 5, using device power supply 02 (DC power supply) and the device power supply positive interface 021 and device power supply negative interface 022 of the instrument or tool after encapsulation are connected, and normal power supply, after power supply success, the MCU of the instrument or tool is automatically started, and the budget program is started to execute;

[0076] 6, wait for the test to be completed, export the test log, and analyze the test result.

[0077] The test device structure of the Dongle network receiver of the embodiment is simple and reasonable, strong in integrity, and comprises a control circuit layer of MCU module and relay module and a panel layer of multiple Dongle devices to be tested, the panel layer is provided with multiple Dongle devices to be tested, the control circuit layer is connected with a power supply and a computer, and multiple Dongle devices can be tested simultaneously in multiple different test modes; the manufacturer can simultaneously perform long-time automatic test of multiple Dongle devices in multiple test modes during internal test and product delivery test, thereby effectively improving the comprehensive test effect of the Dongle device test, improving the test integrity and accuracy, reducing the labor cost, and improving the test efficiency.

[0078] Thus, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the utility model, and the technical scheme after the changes or replacements will fall within the protection scope of the utility model.

[0079] The above only describes the preferred embodiments of the utility model and is not used for limiting the utility model; for those skilled in the art, the utility model can have various changes and changes. Any modification, replacement, improvement made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A test apparatus for a dongle network receiver, characterized in that, The utility model relates to a test device for Dongle equipment, comprising: a panel layer for setting multiple Dongle devices to be tested, and a control circuit layer for building a test environment; the control circuit layer comprises multiple test channels and a relay module, each test channel is configured with different test parameters; the test channel comprises an MCU module for controlling the test, the MCU module comprises a master MCU and multiple sub- MCUs connected with each other, the master MCU is connected with the relay module, and each sub- MCU is connected with each Dongle device to be tested on the panel layer respectively.

2. The test apparatus for a dongle network receiver of claim 1, wherein, The relay module comprises a NO normally open interface for realizing a normally open state, a NC normally closed interface for realizing a normally closed state, and a COM common terminal interface for contacting the NC normally closed interface or the NO normally open interface according to whether power is supplied, the COM common terminal interface is electrically connected with the NO normally open interface or the NC normally closed interface.

3. The test apparatus for a dongle network receiver of claim 1, wherein, The control circuit layer further comprises a storage device for storing test logs, and the storage device is signal connected with the master MCU.

4. The test apparatus for a dongle network receiver of claim 1, wherein, The panel layer comprises multiple adapter boards, the multiple adapter boards comprise multiple adapter boards for inserting Dongle devices to be tested and adapter boards for connecting the control circuit layer; the adapter boards for connecting the control circuit layer are electrically connected with the adapter boards for inserting Dongle devices to be tested.

5. The test apparatus for a dongle network receiver of claim 4, wherein, The adapter boards for inserting Dongle devices to be tested comprise a VCC power supply voltage interface for providing test voltage for the Dongle devices to be tested; the VCC power supply voltage interface is electrically connected with the NO normally open interface of the relay module.

6. The test apparatus for a dongle network receiver of claim 4, wherein, The adapter boards for inserting Dongle devices to be tested further comprise a data line positive electrode interface and a data line negative electrode interface for connecting test data lines of the Dongle devices to be tested; the data line positive electrode interface and the data line negative electrode interface are connected with data positive electrodes and data negative electrodes of the test data lines respectively.

7. The test apparatus for a dongle network receiver of claim 1, wherein, The control circuit layer comprises a test power supply positive electrode interface and a test power supply negative electrode interface for converting power supply of a test power supply into adaptive voltage and current of the Dongle devices to be tested, and the test power supply positive electrode interface and the test power supply negative electrode interface are connected with positive electrodes and negative electrodes of the test power supply respectively.

8. The test apparatus for a dongle network receiver of claim 4, wherein, The adapter boards for inserting Dongle devices to be tested further comprise a GND ground interface for providing a reference zero potential and grounding, the GND ground interface is connected with a ground wire, and the ground wire is connected with a negative electrode of a test power supply.

9. The test apparatus for a dongle network receiver of claim 1, wherein, The control circuit layer is further connected with a device power supply for supplying power to the test device itself, and the control circuit layer comprises a device power supply positive electrode interface and a device power supply negative electrode interface, the device power supply positive electrode interface and the device power supply negative electrode interface are connected with positive electrodes and negative electrodes of the device power supply respectively.

10. The test apparatus for a dongle network receiver of claim 1, wherein, The control circuit layer further comprises multiple LED lamps corresponding to the multiple Dongle devices to be tested one by one, and the LED lamps are signal connected with the master MCU.

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