CN216560804U - Test switching equipment and test system for vehicle-mounted wireless module - Google Patents

Abstract

The embodiment of the utility model provides test switching equipment and a test system of a vehicle-mounted wireless module; an apparatus, comprising: the test adapter plate comprises a test adapter plate, and a power management module, an interface conversion module, a microprocessor, an interface control module and an interface module which are arranged on the test adapter plate; the power management module is connected with interface conversion module, microprocessor, interface control module and interface module respectively, and interface module is connected with microprocessor, and interface module includes at least: the system comprises three plug-in interfaces, namely an SDIO transmission interface, a UART transmission interface and a PCIE transmission interface; the test switching equipment is connected with the vehicle-mounted wireless module on the operation substrate through the plug-in interface of the interface module and is used for testing the vehicle-mounted wireless module on the operation substrate. Therefore, the reliability of the test performance is improved, and the production efficiency is improved.

Description

Test switching equipment and test system of vehicle-mounted wireless module

Technical Field

The embodiment of the utility model relates to the technical field of vehicle networking, in particular to test switching equipment and a test system of a vehicle-mounted wireless module.

Background

At present, a vehicle-mounted wireless module test fixture is widely applied to vehicle-mounted wireless module production, and a test substrate of the vehicle-mounted wireless module test fixture generally needs to be provided with functional modules such as an interface, a power supply and a test sensor so as to meet electrical performance tests and functional verification of various common vehicle-mounted wireless modules.

On the other hand, when the wireless communication module is subjected to a mass production test, in order to improve the production efficiency, the test environment is often required to perform a "one-drag-many" installation test. At the moment, signal crosstalk can be caused due to the fact that the adapter, the power line, the test sensor, the controller and the like are arranged together in a messy mode on a test site, interference is caused to a test result, the arrangement time of production personnel can be prolonged, the production efficiency of a factory line is greatly reduced, and the reliability of the test result is influenced.

Disclosure of Invention

Based on this, the embodiment of the utility model provides a test switching device and a test switching system for a vehicle-mounted wireless module, so as to realize the test switching device and the test switching system.

In a first aspect of the embodiments of the present invention, a test switching device for a vehicle-mounted wireless module is provided, where the device includes:

the test adapter plate comprises a test adapter plate, a power management module, an interface conversion module, a microprocessor, an interface control module and an interface module, wherein the power management module, the interface conversion module, the microprocessor, the interface control module and the interface module are arranged on the test adapter plate; the power management module is respectively connected with the interface conversion module, the microprocessor, the interface control module and the interface module, the interface module is connected with the microprocessor, and the interface module at least comprises: the system comprises three plug-in interfaces, namely an SDIO transmission interface, a UART transmission interface and a PCIE transmission interface;

the test switching equipment is connected with the vehicle-mounted wireless module on the operation substrate through the plug-in interface of the interface module, and is used for testing the vehicle-mounted wireless module on the operation substrate, and the wireless module comprises: any one or more of a WiFi communication module, a BT communication module and a BLE communication module.

Optionally, the interface conversion module is configured to convert the PCIE transmission interface into an SDIO2.0 transmission interface.

Optionally, the power management module includes a power supply module, and the power supply module is configured to provide a 3.3V dc power supply.

Optionally, a power output interface of the power supply module is connected to a current detection device, and the current detection device is configured to detect the test current output by the power supply module in real time.

Optionally, the power management module is connected to the interface module through a relay, and the power management module controls the relay to complete power switching and drive resetting for testing a next module after testing one module.

Optionally, the apparatus further comprises a status indicator light for indicating an operating status of the tested wireless module.

In a second aspect of the embodiments of the present invention, there is provided a test system for a vehicle-mounted wireless module, the system including: the test adapting device and the operation substrate according to any one of the first aspect;

the test switching equipment is connected with the vehicle-mounted wireless module arranged on the operation substrate through an external hanging interface on the interface module.

According to the technical scheme provided by the embodiment of the utility model, the test switching equipment comprises: the test adapter plate comprises a test adapter plate, and a power management module, an interface conversion module, a microprocessor, an interface control module and an interface module which are arranged on the test adapter plate; the power management module is connected with interface conversion module, microprocessor, interface control module and interface module respectively, and interface module is connected with microprocessor, and this interface module includes at least: the system comprises three plug-in interfaces, namely an SDIO transmission interface, a UART transmission interface and a PCIE transmission interface; the test switching equipment is connected with the vehicle-mounted wireless module on the operation substrate through the plug-in interface of the interface module and is used for testing the vehicle-mounted wireless module on the operation substrate. According to the utility model, the circuit board is integrated with a plurality of functional test modules, and the adapter plate is independently arranged, so that the problems of disordered wiring and mutual interference when various devices are arranged together are avoided, and the reliability of the test performance and the production efficiency are improved on the premise of ensuring the production and manufacturing cost of the test fixture. Meanwhile, the test adapter plate can be suitable for various wireless communication modules, and is wide in application range.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a test switching device for a vehicle-mounted wireless module according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a test transfer system of a vehicle-mounted wireless module according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, a test switching device for a vehicle-mounted wireless module according to an embodiment of the present invention is shown in fig. 1, and the test switching device includes:

a test patch panel 100, and a power management module 101, an interface conversion module 102, a Microprocessor (MCU)103, an interface control module 104, and an interface module 105 disposed on the test patch panel 100.

The power management module 101 is respectively connected to the interface conversion module 102, the Microprocessor (MCU)103, the interface control module 104 and the interface module 105, the interface module 105 is connected to the Microprocessor (MCU)103, and the interface module 105 at least includes: and the SDIO interface, the UART interface and the PCIE interface are connected with the external interface.

The test switching equipment is connected with the vehicle-mounted wireless module on the operation substrate through the plug-in interface of the interface module, and is used for testing the vehicle-mounted wireless module on the operation substrate, and the wireless module comprises: any one or more of a WiFi communication module, a BT communication module and a BLE communication module.

The interface conversion module 102 is used for converting the SDIO transmission interface, the PCM transmission interface and the UART transmission interface into interfaces that can be plugged into a controller (computer).

The Microprocessor (MCU) is used for realizing the automatic control of a controller (computer) and realizing the real-time monitoring of the test items.

The interface control module 104 is used for driving the next module after the module is produced.

The above-mentioned interface module is used for expanding the main interface of wireless module, if: SDIO, UART, PCIE etc. the test keysets and operation base plate are directly inserted to the accessible row needle, realize that a plurality of modules are compatible a test keysets.

The interface conversion module 102 is configured to convert the PCIE transmission interface into an SDIO2.0 transmission interface.

The power management module 101 is used for providing stable dc power for the wireless module and other functional modules in the patch panel. Optionally, the power management module 101 includes a power supply module, and the power supply module is configured to provide a 3.3V dc power.

And a power output interface of the power supply module is connected with current detection equipment, and the current detection equipment is used for detecting the test current output by the power supply module in real time.

The power management module is connected with the interface module through a relay, and the power management module controls the relay to complete power switching and drive resetting of next module testing after one module is tested.

In a possible embodiment of the present application, the apparatus further includes a status indicator light for indicating an operating status of the tested wireless module.

Fig. 2 shows a test system of a vehicle-mounted wireless module, and referring to fig. 2, the test system includes: the test adapting device and the operation substrate 200 described in any of the above embodiments;

the test switching device is connected to the vehicle-mounted wireless module 201 disposed on the operation substrate 200 through the plug-in interface of the interface module 105.

The appearance interface comprises an SDIO interface, a UART interface, a PCIE interface, a PCM interface, a POWER interface and an ENABLE interface.

In a specific embodiment of the present application, the PCIE interface may be converted into SDIO2.0 through the interface conversion module, the PCIE is a transmission interface that is relatively general and stable for the current control machine, and the SDIO interface is a main control interface that is general for the current WIFI product. The theoretical rate of SDIO2.0 can reach 200Mbps, and completely meets the requirements of WIFI drive and WIFI signaling test. The U11 chip provides independent and stable 3.3V direct current power supply output, and WIFI EVM (error vector magnitude) deterioration caused by power supply interference can be avoided. Current detection equipment can be connected to the 3.3V output port, and the module test current can be monitored in real time. The microprocessor stores the driving program required by the equipment, can automatically identify the SD equipment adapter card after communicating with a computer, does not need additional configuration, and can effectively reduce the installation time.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. A test transfer apparatus of an in-vehicle wireless module, the apparatus comprising:

the test adapter plate comprises a test adapter plate, and a power management module, an interface conversion module, a microprocessor, an interface control module and an interface module which are arranged on the test adapter plate; the power management module is respectively connected with the interface conversion module, the microprocessor, the interface control module and the interface module, the interface module is connected with the microprocessor, and the interface module at least comprises: the system comprises three plug-in interfaces, namely an SDIO transmission interface, a UART transmission interface and a PCIE transmission interface;

the test switching equipment is connected with the vehicle-mounted wireless module on the operation substrate through the plug-in interface of the interface module, and is used for testing the vehicle-mounted wireless module on the operation substrate, and the wireless module comprises: any one or more of a WiFi communication module, a BT communication module and a BLE communication module.

2. The device of claim 1, wherein the interface conversion module is configured to convert the PCIE transport interface into an SDIO2.0 transport interface.

3. The apparatus of claim 1 or 2, wherein the power management module comprises a power supply module configured to provide 3.3V dc power.

4. The device of claim 3, wherein the power output interface of the power supply module is connected to a current detection device, and the current detection device is configured to detect the test current output by the power supply module in real time.

5. The apparatus of claim 1 or 2, wherein the power management module is connected to the interface module through a relay, and the power management module controls the relay to perform power switching and drive resetting for a next module test after one module test.

6. The apparatus of claim 1 or 2, further comprising a status indicator light for indicating an operating status of the wireless module.

7. A system for testing a vehicle-mounted wireless module, the system comprising: the test adapter device and the handling substrate according to any of claims 1 to 6;

the test switching equipment is connected with the vehicle-mounted wireless module arranged on the operation substrate through an external hanging interface on the interface module.

Images