CN-224233699-U - Communication module automated inspection frock

CN224233699UCN 224233699 UCN224233699 UCN 224233699UCN-224233699-U

Abstract

The utility model provides an automatic detection tool for a communication module, which comprises a tool shell, a tool plate, a control module, a GPRS test antenna, a switching power supply and a plurality of test interfaces, wherein the tool plate is arranged in the tool shell, the control module is arranged on the tool plate, the switching power supply is arranged on one side of the tool plate, the control module is respectively connected to the plurality of test interfaces in a line mode, the test interfaces are also connected with the GPRS test antenna, and a plurality of interface holes for giving way to the test interfaces are formed in the tool shell. The multifunctional tool has the beneficial effects that the multifunctional tool can realize multifunctional integration, and the tool integrates various functions of test power supply, communication interaction, debugging interface collection, power consumption measurement, antenna provision and the like. The device can provide stable 12V working power supply for 8 GPRS modules, simulate the 101 protocol communication capability of a forwarding station, and realize comprehensive function test of the modules.

Inventors

Wu Xuexuan
WANG RIJIAN

Assignees

天津浩源汇能股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250226

Claims (6)

1. The automatic detection tool for the communication module is characterized by comprising a tool shell, a tool plate, a control module, a GPRS test antenna, a switching power supply and a plurality of test interfaces, wherein the tool plate is installed in the tool shell, the control module is installed on the tool plate, the switching power supply is arranged on one side of the tool plate, the control module is respectively connected to the plurality of test interfaces in a line mode, the test interfaces are further connected with the GPRS test antenna, and a plurality of interface holes for giving way to the test interfaces are formed in the tool shell.
2. The automatic detection tool for the communication module of claim 1, wherein the control module comprises a main control module, a communication module, an antenna interface module, a current sampling module and a connection serial port server, and the communication module, the antenna interface module, the current sampling module and the connection serial port server are all electrically connected with the main control module.
3. The automatic detection tool for the communication module according to claim 2, wherein the main control module comprises two main control chip circuits, and one main control chip circuit comprises a main control chip U2A, a resistor R11, a resistor R13, a resistor R15, a resistor R16, a resistor R18, a resistor R20, a resistor R35, a resistor R34, a resistor R44 and a capacitor C21 which are all connected with pins of the main control chip U2A; The other main control chip circuit includes main control chip U2B, resistance R48, electric capacity C31, electric capacity C22, electric capacity C23, electric capacity C24, electric capacity C25, electric capacity C26, electric capacity C27, electric capacity C28, electric capacity C29, electric capacity C30, electric capacity C32, inductance L2 and resistance R49, the VBAT pin of main control chip U2B connects resistance R48, electric capacity C31 respectively, resistance R48, electric capacity C31 all connects VCC3.3, electric capacity C22, electric capacity C23, electric capacity C24, electric capacity C25, electric capacity C26, electric capacity C27 connects in parallel and all connects VCC3.3, electric capacity C28, electric capacity C29, electric capacity C30, electric capacity C32 connects in parallel, and electric capacity C28, electric capacity C29 connect resistance R49 one end respectively, electric capacity C29, electric capacity C32 connect the resistance R49 other end.
4. The automatic detection tool for communication modules according to claim 1, wherein: the circuit of the switching power supply comprises a power supply BAT1, a diode D2, a diode D4, a resistor R5, a capacitor C6, an electrolytic capacitor EC3, an electrolytic capacitor EC4, an electrolytic capacitor EC5, an electrolytic capacitor EC6, a capacitor C20, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C15, a resistor R36, a resistor R40, a resistor R41, a capacitor C13, a chip U3, a capacitor C16, a resistor R37, a resistor R38, a capacitor E1, a capacitor E2, a capacitor C14, an inductor L1 and a diode D3, wherein the power supply BAT1 is respectively connected with the diode D2 and the diode D4, the diode D2 is respectively connected with the capacitor C5, the capacitor C6, the electrolytic capacitor EC3, the electrolytic capacitor EC4, the electrolytic capacitor EC5 and the capacitor C6, the diode D4 is respectively connected with the capacitor C20, the capacitor C17, the capacitor C18, the capacitor C19, the capacitor C15, the resistor R36, the resistor R40, the chip U3, the resistor R3, the resistor E1, the resistor R3, the capacitor E1 and the resistor R3, the resistor D3, the capacitor D1 and the diode D3.
5. The automatic detection tool for the communication module according to claim 2, wherein the communication module comprises three GPRS modules, and is communicated with the main control module through the three GPRS modules, and the first GPRS module comprises a chip N3, a capacitor C44, a capacitor C45, a resistor R12, a capacitor C42, a capacitor C43, a capacitor C46, a capacitor EC9 and a wiring terminal P6, which are all connected with pins of the chip N3; The second GPRS module comprises a chip N1, a capacitor C3, a capacitor C4, a resistor R4, a capacitor C1, a capacitor C2, a capacitor C7, a capacitor EC8, a wiring terminal XS1 and a wiring terminal XS2 which are all connected with pins of the chip N1, wherein the wiring terminal XS1 is also connected with the resistor R1, and the wiring terminal XS2 is also connected with the resistor R3; The third GPRS module comprises a chip N2, a capacitor C9, a capacitor C11, a resistor R26, a capacitor C8, a capacitor C10, a capacitor C12, a capacitor EC7, a wiring terminal XS3 and a wiring terminal XS4 which are all connected with pins of the chip N2, wherein the wiring terminal XS3 is also connected with the resistor R14, and the wiring terminal XS4 is also connected with the resistor R21.
6. The automatic detection tool for the communication module according to claim 2, wherein the current sampling module comprises four sampling subunits, and the first sampling subunit comprises an amplifier U1A, a resistor R6, a resistor R7, a resistor R10 and a resistor R9 which are all connected with pins of the amplifier U1A, wherein the resistor R10 is further connected with a capacitor C37, and the resistor R9 is further connected with a capacitor C33; The second sampling subunit comprises an amplifier U1B, a resistor R17, a resistor R19, a resistor R23 and a resistor R22 which are all connected with pins of the amplifier U1B, wherein the resistor R23 is also connected with a capacitor C38, and the resistor R22 is also connected with a capacitor C34; the third sampling subunit comprises an amplifier U1C, a resistor R27, a resistor R28, a resistor R32 and a resistor R30 which are all connected with pins of the amplifier U1C, wherein the resistor R32 is also connected with a capacitor C39, and the resistor R30 is also connected with a capacitor C35; the fourth sampling subunit comprises an amplifier U1D, a resistor R39, a resistor R42, a resistor R46 and a resistor R45 which are all connected with pins of the amplifier U1D, wherein the resistor R46 is also connected with a capacitor C40, and the resistor R45 is also connected with a capacitor C36.

Description

Communication module automated inspection frock Technical Field The utility model belongs to the field of communication module detection, and particularly relates to an automatic detection tool for a communication module. Background In a power system, a wireless communication module is important for equipment such as a fault indicator. The fault indicator needs to monitor the state of the distribution line in real time, accurately identify faults such as short circuit and grounding, and timely upload fault information to equipment such as FTU (feeder terminal unit) so as to realize effective monitoring and management of the distribution line. The performance of the wireless communication module directly affects whether the fault indicator can function properly and the operational reliability of the overall power system. For example, in long distance off-site fault indicator applications, which require cooperation with the FTU, the monitored fault signal is transmitted to a monitoring center for timely action by the service personnel. If the wireless communication module has a problem, failure information can not be transmitted in time, normal operation of the power system is affected, and even safety accidents can be caused. Specifically, the existing GPRS module test fixture has the following defects: Functional limitations: The traditional GPRS module testing tool has a plurality of defects in function. And part of the tools can only provide simple power supply and basic communication test functions, and have weak resolving and interaction capacities for complex protocols. If the GPRS module of the fault indicator is tested, the 101 protocol communication capability of the forwarding station cannot be accurately simulated, and the performance of the module in an actual working scene is difficult to comprehensively evaluate. Some tools lack accurate measurement functions for key indexes such as module power consumption. In electrical devices, power consumption is an important parameter, directly related to the operating efficiency and battery life of the device. The existing tool can not accurately measure the power consumption of the GPRS module in different working states, and cannot meet the test requirement of low-power-consumption design. Test efficiency problem: The test efficiency of current frock is lower, is difficult to satisfy batch production's demand. In the production process, the test interface provided by each tooling plate is limited, and high-efficiency tests cannot be carried out on a plurality of GPRS modules at the same time. For example, some tools can only test 1-2 modules at the same time, resulting in an extended production cycle and increased costs. The automation degree of the tool in the testing process is not high, manual frequent intervention is needed, such as manual parameter setting, module replacement and the like, human errors are easy to occur, and the consistency and accuracy of the test are reduced. Poor compatibility and scalability: The GPRS modules of different types may have differences in interfaces, protocols and the like, but the compatibility of the existing tool is poor, and the existing tool is difficult to adapt to the testing requirements of the modules of various types. This means that when testing different modules, tooling may need to be replaced or complex adjustments made, increasing test costs and time. The tool is lack of expandability in design, and is difficult to perform function expansion along with technical development and product upgrading. For example, when a GPRS module adds new functions or features, existing tools may not be able to support the corresponding test in time, requiring redesign or retrofitting of the tools. Lack of unified debug procedures and standards: In the debugging process of the GPRS module, unified debugging rules and standards are lacking, so that the operation methods and flows of different testers are inconsistent. This may affect the accuracy and reliability of the debug results, increasing uncertainty in product quality. For example, in the appearance inspection of a module, there is no explicit criteria specifying which defects are acceptable and which are unacceptable, easily resulting in some potential problems being ignored. In the software configuration and detection process, different debugging personnel may adopt different parameter settings and judgment standards, so that the consistency of products is difficult to ensure. Disclosure of utility model Accordingly, the present utility model is directed to an automatic detection tool for a communication module, which solves at least one of the problems of the prior art. In order to achieve the above purpose, the technical scheme of the utility model is realized as follows: The utility model provides a communication module automated inspection frock, includes frock casing, frock board, control module, GPRS test antenna, switching power supply and a plurality o