CN219348917U

CN219348917U - Mainboard voltage stabilizing plug-in test fixture

Info

Publication number: CN219348917U
Application number: CN202223157206.4U
Authority: CN
Inventors: 纪登国
Original assignee: Suzhou Industrial Park Jingtaida Automation Co ltd
Current assignee: Suzhou Industrial Park Jingtaida Automation Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-07-14
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a mainboard voltage-stabilizing plugging testing tool, which comprises a testing box, a positioning carrier, a plugging assembly, a voltage-stabilizing assembly and a testing wiring, wherein a plurality of positioning pins are arranged on the positioning carrier, a positioning pressing plate is also arranged at the upper end of the positioning carrier, a plurality of interfaces are arranged on one side of a mainboard, the plugging assembly comprises a tailstock, pushing cylinders on two sides, a sliding block sliding rail assembly, a plugging plate, a plurality of plugging blocks and a profiling plug, the voltage-stabilizing assembly comprises a positioning seat, pushing bolts and a voltage-stabilizing spring, the tool adopts a special plugging assembly to perform plugging testing on all interfaces in a classified manner according to accurate plugging positions and accurate plugging forces, and utilizes the stable plugging pressure of the voltage-stabilizing assembly to the plugging assembly to ensure proper plugging forces between the plugging assembly and all sockets of the mainboard to be tested, so that the connection stability of all sockets and the mainboard is not damaged, the automation degree is high, the working condition performance of the whole mainboard is tested completely, fully and accurately, and the factory performance qualification rate of the mainboard is ensured.

Description

Mainboard voltage stabilizing plug-in test fixture

Technical Field

The utility model relates to the technical field of automatic detection, in particular to a mainboard voltage-stabilizing plugging testing tool.

Background

The notebook computer motherboard is integrated with too many electronic components, when the function test of the motherboard is needed, the accurate measurement from the use angle is needed, including screen display, key mouse operation, various connector plugging tests, touch panel tests and the like, wherein the tests of a plurality of connectors comprise mechanical plugging performance tests and contact conduction electrical tests, the existing FCT function test fixture mostly adopts an integrated standardized probe module, the accurate measurement of each component part is carried out on a plurality of pins on the motherboard, the simulation test fixture of the whole computer finished product is rarely adopted, and especially for the simulation tests such as HDMI interface, USB interface, TYPE-C interface, AUDIO jack, power interface and the like, special test plug and test fixture equipment are needed, including positioning test, socket mechanical performance and electrical signal tests of electrical conduction after plugging are needed, so that the working condition performance of the whole computer motherboard is completely, fully and accurately tested, and the performance qualification rate of the motherboard is ensured.

Disclosure of Invention

The purpose of the utility model is that: in view of the test technical requirements on various connectors arranged on a notebook computer main board in the background art, a main board voltage-stabilizing plugging test tool is designed, a special plugging assembly is adopted to conduct plugging test on various interfaces according to accurate plugging positions, accurate plugging forces and test interfaces, stable plugging pressure is applied to the plugging assembly by the voltage-stabilizing assembly, the plugging forces of the plugging assembly and various sockets of the main board to be tested are ensured to be moderate, the connection stability of the various sockets and the main board is not damaged, the automation degree is high, the working condition performance of the whole main board is tested completely, fully and accurately, and the qualification rate of the factory performance of the main board is ensured.

The technical scheme adopted for solving the problems is as follows:

the utility model provides a mainboard steady voltage grafting test fixture, includes test box, bearing the location carrier of mainboard that awaits measuring, grafting subassembly, steady voltage subassembly and the test wiring of being connected with the profile modeling plug of grafting subassembly,

the positioning carrier is provided with a plurality of positioning pins, the upper end of the positioning carrier is also provided with a positioning pressing plate to ensure the accurate positioning of the main board to be tested, one side of the main board is provided with a plurality of interfaces, all the interfaces are arranged corresponding to the plug-in components,

the plug-in assembly comprises a tailstock, pushing cylinders on two sides, a sliding block sliding rail assembly, a plug board, a plurality of butt joint blocks and a profiling plug, wherein the pushing cylinders are fixedly connected with the tailstock, the tailstock is fixed in a test box, a push rod of the pushing cylinders is fixedly connected with the plug board, the lower end face of the plug board is connected with the sliding block sliding rail assembly through a connecting seat, the sliding rail is fixedly connected with the inner end face of the test box, the sliding block is fixedly connected with the connecting seat, the plug board makes horizontal linear sliding movement, the upper end of the plug board is fixedly connected with the plurality of butt joint blocks, the front end of the butt joint block is horizontally fixedly connected with the profiling plug, the profiling plug is arranged opposite to each interface to be tested,

the pressure stabilizing assembly is arranged at the contraposition of the pushing air cylinder and comprises a positioning seat, a pushing bolt and a pressure stabilizing spring, wherein the positioning seat is fixed on the inner end face of the test box, the pushing bolt is in threaded connection with a threaded hole on the end face of the head of a push rod of the pushing air cylinder, the pressure stabilizing spring is sleeved on the pushing bolt in a penetrating manner, a pushing gasket is arranged between the pressure stabilizing spring and the threaded head of the pushing bolt, the positioning seat is further provided with a U-shaped hole on the travel track of the pushing bolt, the U-shaped hole is matched with the pushing gasket to extrude the pressure stabilizing spring, and when the pushing profiling plug of the pushing air cylinder and each interface of the main board to be tested meet the plugging force, the plug board is reversely buffered to unload the force.

Further, the interfaces include, but are not limited to, HDMI interfaces, USB interfaces, TYPE-C interfaces, AUDIO jacks, and power interfaces, and the profiling plug is arranged in a profiling structure of a connecting male head corresponding to each interface.

Further, the pitch of the pushing bolt in threaded connection with the threaded hole is adjustable.

Further, the tail end of the butt joint block is provided with a lead socket, the lead socket is electrically connected with the test pins in the profiling plug, and the lead socket is communicated with the test wiring.

Further, the telescopic cylinder is independently arranged on the plug board, the telescopic rod of the telescopic cylinder is fixedly connected with the extension block, the front end of the extension block is fixedly connected with the profiling plug with an extension design, and the profiling plug can be independently inserted into a deeper interface.

Further, the test wiring is externally connected with a test instrument corresponding to the interface electric signal so as to detect whether the working condition performance of the main board to be tested meets the standard.

The beneficial effects of the utility model are as follows:

the mainboard voltage-stabilizing plugging testing tool adopts the special plugging assembly to perform plugging testing on all interfaces by accurate plugging positions and accurate plugging forces and the testing interfaces are classified, and ensures that the plugging forces of the plugging assembly and each socket of the mainboard to be tested are moderate by utilizing the stable plugging pressure of the voltage-stabilizing assembly, so that the connection stability of each socket and the mainboard to be tested is not damaged, the automation degree is high, the working condition performance of the whole mainboard is completely, fully and accurately tested, and the factory performance qualification rate of the mainboard is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a motherboard voltage stabilizing plugging test fixture in the present embodiment;

FIG. 2 is a side plan view of the plug assembly and voltage stabilizing assembly according to the present embodiment;

FIG. 3 is a side view of the plug assembly and voltage regulator assembly of the present embodiment;

FIG. 4 is a schematic diagram of a voltage stabilizing component according to the present embodiment;

the device comprises a 1-test box, a 2-positioning carrier, a 3-main board, a 4-plug-in component, a 5-HDMI interface, a 6-HDMI profiling plug, a 7-voltage stabilizing spring, an 8-ejector rod, a 9-pushing cylinder, a 10-tailstock, an 11-test wiring, a 12-telescopic cylinder, a 13-extension block, a 14-TYPE-C profiling plug, a 15-USB profiling plug, a 16-plug board, a 17-connecting seat, a 18-slide block slide rail component, a 19-positioning seat, a 20-butt joint block, a 21-pushing bolt and a 22-lead socket.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the present embodiment provides a motherboard voltage-stabilizing plugging testing fixture, which includes a testing box 1, a positioning carrier 2 for carrying a motherboard 3 to be tested, a plugging component 4, a voltage-stabilizing component, and a testing connection 11 connected with a profiling plug of the plugging component 4.

Referring to fig. 1, the positioning carrier 2 is provided with a plurality of positioning pins (not shown in the drawing), and the upper end is further provided with a positioning pressing plate (not shown in the drawing) to ensure that the motherboard 3 to be tested is accurately positioned, and one side of the motherboard 3 is provided with 4 interfaces, all of which are arranged corresponding to the plugging components 4.

Referring to fig. 2 and 3, the plugging assembly 4 includes a tailstock 10, pushing cylinders 9 on two sides, a slide block sliding rail assembly 18, a

plug board

16, 3 butt joint blocks 20 and a profiling plug, the pushing cylinders 9 are fixedly connected with the tailstock 10, the tailstock 10 is fixed in the test box 1, a push rod 8 of the pushing cylinders 9 is fixedly connected with the plug board 16, the lower end face of the plug board 16 is connected with the slide block sliding rail assembly 18 through a connecting seat 19, the sliding rail is fixedly connected with the inner end face of the test box 1, the slide block is fixedly connected with the connecting seat 19, the plug board 16 makes horizontal linear sliding movement, 3 butt joint blocks 20 are fixedly connected with the upper end of the plug board 16, the front end of the butt joint blocks 20 is horizontally fixedly connected with the profiling plug, and the profiling plug is arranged opposite to each interface to be tested.

Referring to fig. 4, the voltage stabilizing component is disposed at the alignment of the pushing cylinder 9, and includes a positioning seat 19, a pushing bolt 21 and a voltage stabilizing spring 7, where the positioning seat 19 is fixed at the inner end surface of the test box 1, the pushing bolt 21 is screwed with a threaded hole on the end surface of the head of the push rod of the pushing cylinder 9, the voltage stabilizing spring 7 is sleeved on the pushing bolt 21, a pushing washer (not shown in the figure) is disposed between the voltage stabilizing spring 7 and the screw of the pushing bolt 21, the positioning seat 19 is further provided with a U-shaped hole on the travel track of the pushing bolt 21, and the U-shaped hole cooperates with the pushing washer to squeeze the voltage stabilizing spring 7, so that when the pushing plug of the pushing cylinder 9 matches with the plugging force of each interface of the main board 3 to be tested, the plug is reversely buffered to unload the force.

Further embodiment, referring to fig. 3, the interfaces include an HDMI interface 5, a USB interface, and 2 TYPE-C interfaces, and the profile plug is configured to be connected to the profile structure of the male plug corresponding to each interface, that is, the HDMI profile plug 6, the USB profile plug 15, and the TYPE-C profile plug 14.

In a further embodiment, the screw joint distance between the pushing bolt 21 and the threaded hole is adjustable, namely the stroke of the pressure stabilizing spring 7 for reversely buffering and unloading force is adjustable, so that the plug test of different types of interfaces is applicable.

In a further embodiment, the tail end of the docking block 20 is provided with a lead socket 22, the lead socket 22 is electrically connected with the test pins in the profiling plug, and the lead socket 22 is communicated with the test wiring 11.

In a further embodiment, the plug board 16 is independently provided with a telescopic cylinder 12, a telescopic rod of the telescopic cylinder 12 is fixedly connected with an extension block 13, the front end of the extension block 13 is fixedly connected with a profile modeling plug of an extension design, and the profile modeling plug can be independently inserted into a deeper interface, for example: a power interface and a USB interface.

In a further embodiment, the test wiring 11 is externally connected with a test instrument corresponding to the interface electric signal, so as to detect whether the working condition performance of the main board 3 to be tested meets the standard.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the embodiments described above, and various changes, modifications, substitutions and alterations can be made therein by those having ordinary skill in the art without departing from the spirit of the present utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a mainboard steady voltage grafting test fixture, includes test box, bears the location carrier, grafting subassembly, steady voltage subassembly of mainboard that awaits measuring and the test wiring of being connected with the profile modeling plug of grafting subassembly, its characterized in that:

one side of the main board is provided with a plurality of interfaces, all the interfaces are arranged corresponding to the plug-in components,

2. The motherboard voltage stabilizing plugging testing fixture according to claim 1, wherein: the interface comprises, but is not limited to, an HDMI interface, a USB interface, a TYPE-C interface, an AUDIO jack and a power interface, and the profiling plug is arranged into a profiling structure of a connecting male head corresponding to each interface.

3. The motherboard voltage stabilizing plugging testing fixture according to claim 1, wherein: the positioning carrier is provided with a plurality of positioning pins, and the upper end of the positioning carrier is also provided with a positioning pressing plate.

4. The motherboard voltage stabilizing plugging testing fixture according to claim 1, wherein: the screw joint distance between the pushing bolt and the threaded hole is adjustable.

5. The motherboard voltage stabilizing plugging testing fixture according to claim 1, wherein: the tail end of the butt joint block is provided with a lead socket, the lead socket is electrically connected with the test pins in the profiling plug, and the lead socket is communicated with the test wiring.

6. The motherboard voltage stabilizing plugging testing fixture according to claim 1, wherein: the telescopic cylinder is independently arranged on the plug board, the telescopic rod of the telescopic cylinder is fixedly connected with the extension block, the front end of the extension block is fixedly connected with the profiling plug with an extension design, and the profiling plug can be independently inserted into a deeper interface.

7. The motherboard voltage stabilizing plugging testing fixture according to claim 5, wherein: the test wiring is externally connected with a test instrument corresponding to the interface electric signal.