A USB hot plug test device

Abstract

The utility model discloses a USB hot plug test device, including base and drive assembly, be equipped with the first switching bracket on the base, the first switching bracket has the second switching bracket along the one side of first direction, and the second switching bracket has the first state of being close to the first switching bracket to the second state of being away from the first switching bracket, and the second switching bracket is equipped with the U disk, and the first switching bracket is equipped with the first USB switching seat, and the female plug of first USB switching seat is used for the USB interface of the equipment product of inserting the equipment product of waiting and measuring, when the second switching bracket is in the first state, the U disk is inserted in the male plug of first USB switching seat, when the second switching bracket is in the second state, the U disk is separated from the male plug of first USB switching seat, and drive assembly is used for automatic drive second switching bracket switches between the first state and the second state, the utility model discloses on the basis that the USB interface of equipment product is not easy to damage in improving hot plug test efficiency.

Description

Technical Field

[0001] This utility model relates to the field of electrical testing technology, specifically to a USB hot-plug testing device. Background Technology

[0002] Hot-swap testing of automotive equipment is a test method used to evaluate the performance and reliability of automotive equipment under different startup and hot-swap conditions. During hot-swap testing, the software system is first electrically connected to the automotive equipment. Then, a USB flash drive is manually inserted into the USB port of the automotive equipment. The read / write program of the USB flash drive is used to perform software testing on the automotive equipment, and the software system displays whether the read operation failed or succeeded. However, during hot-swap testing, the manual insertion and removal of the USB flash drive from the automotive equipment's USB port is repeated multiple times, which is labor-intensive and inefficient. To improve this, some manufacturers use robotic arms to automatically insert and remove the USB flash drive from the automotive equipment's USB port. While these devices improve testing efficiency, they are prone to damaging the USB port of the automotive equipment during use. Utility Model Content

[0003] In view of this, the present invention provides a USB hot-plug testing device to solve the problem that existing hot-plug testing equipment is prone to damaging the USB interface of vehicle equipment products during testing.

[0004] This utility model provides a USB hot-plug testing device, comprising:

[0005] Base;

[0006] A first adapter bracket is disposed on the base;

[0007] The second adapter bracket is disposed on one side of the first adapter bracket along the first direction. The second adapter bracket has a first state close to the first adapter bracket and a second state far away from the first adapter bracket.

[0008] The USB flash drive is located in the second adapter tray;

[0009] A first USB adapter is disposed on the first adapter bracket, and the female plug of the first USB adapter is used to plug into the USB interface of the device under test.

[0010] When the second adapter tray is in the first state, the USB flash drive is plugged into the male connector of the first USB adapter; when the second adapter tray is in the second state, the USB flash drive is separated from the male connector of the first USB adapter.

[0011] A drive component for automatically driving the second adapter bracket to switch between a first state and a second state.

[0012] The USB hot-plug testing device according to this utility model has at least the following beneficial effects:

[0013] By setting a first USB adapter on the first adapter tray, the male and female plugs of the first USB adapter are matched with the USB interfaces of the USB flash drive and the device under test, respectively. When performing hot-plug testing on the device under test, the USB interface of the device is first plugged into the female plug of the first USB adapter to establish a communication connection. Then, the second adapter tray is automatically switched to the first state by the drive component, so that the USB flash drive is automatically plugged into the male plug of the first USB adapter to establish a communication connection. Then, the second adapter tray is automatically switched to the second state by the drive component, so that the USB flash drive is automatically unplugged from the male plug of the first USB adapter to disconnect the communication connection. This achieves repeated automatic insertion and removal of the USB flash drive from the male plug of the first USB adapter. In the entire hot-plug testing process, the female plug of the first USB adapter only needs to be plugged and unplugged from the USB interface of the device once, which improves the efficiency of hot-plug testing and prevents damage to the USB interface of the device.

[0014] In one alternative implementation, the first USB adapter is detachably connected to the first adapter bracket.

[0015] In one optional embodiment, the first adapter bracket is provided with a first through hole along a first direction, the first through hole being for the first USB adapter to pass through; the outer side wall of the first USB adapter is provided with a first limiting platform, the first limiting platform being connected to the first adapter bracket by a first bolt assembly.

[0016] In one optional embodiment, the first limiting platform is provided with a plurality of first through holes, the plurality of first through holes being circumferentially spaced with the center of the first through hole as the center, the first through holes penetrating the first limiting platform in a first direction, and the first adapter bracket being provided with a first threaded hole corresponding to the position of the first through hole; the first bolt assembly includes a first bolt with the same number of first through holes, the first through holes being used for the shank of the first bolt to pass through, and the first bolt matching the first threaded hole.

[0017] In one optional embodiment, the second adapter tray is provided with a second USB adapter socket, the male plug of the second USB adapter socket being used to plug in the USB flash drive; when the second adapter tray is in a first state, the female plug of the second USB adapter socket is plugged into the male plug of the first USB adapter socket; when the second adapter tray is in a second state, the female plug of the second USB adapter socket is separated from the male plug of the first USB adapter socket.

[0018] In one alternative implementation, the second USB adapter is detachably connected to the second adapter bracket.

[0019] In one optional embodiment, the second adapter bracket is provided with a second through hole along a first direction, the second through hole being for the second USB adapter to pass through; the outer side wall of the second USB adapter is provided with a second limiting platform, the second limiting platform being connected to the second adapter bracket by a second bolt assembly.

[0020] In one optional embodiment, the second limiting platform is provided with a plurality of second through holes, the plurality of second through holes being circumferentially spaced with the center of the second through hole as the center, the second through holes penetrating the second limiting platform in a first direction, and the second adapter bracket being provided with a second threaded hole corresponding to the position of the second through hole; the second bolt assembly includes a second bolt with the same number of second through holes, the second through holes being used for the shank of the second bolt to pass through, and the second bolt matching the second threaded hole.

[0021] In one optional embodiment, the drive assembly further includes a linear motor disposed on the base, the output end of the linear motor being connected to the second adapter bracket, and the linear motor being used to drive the second adapter bracket to reciprocate along a first direction.

[0022] In one optional embodiment, a pad is provided between the first adapter bracket and the base, an L-shaped plate is provided at the output end of the linear motor, the horizontal part of the L-shaped plate is arranged parallel to the first direction, the horizontal part of the L-shaped plate is located above the linear motor, and the second adapter bracket is arranged on the horizontal part of the L-shaped plate. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional structural diagram of this embodiment;

[0025] Figure 2 This is a schematic diagram of the exploded structure of this embodiment.

[0026] Explanation of reference numerals in the attached figures:

[0027] 100 - Base;

[0028] 200-First adapter bracket, 210-First through hole, 220-First threaded hole, 230-Padded block;

[0029] 300 - Second adapter bracket, 310 - Second through hole, 320 - Second threaded hole;

[0030] 400 - First USB adapter, 410 - First limiting stage, 411 - First through hole;

[0031] 500 - Second USB adapter, 510 - Second limiting platform, 511 - Second through hole;

[0032] 600 - Linear motor, 610 - L-shaped plate, 611 - Slider, 620 - Slide rail. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this embodiment and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this embodiment. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this embodiment, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment according to the specific circumstances.

[0036] The following is combined with Figure 1 and Figure 2 The following describes embodiments of the present invention.

[0037] A USB hot-plug testing device according to an embodiment of the present invention includes a base 100 and a driving assembly. A first adapter bracket 200 is disposed on the base 100. A second adapter bracket 300 is disposed on one side of the first adapter bracket 200 along a first direction. The second adapter bracket 300 has a first state of being close to the first adapter bracket 200 along the first direction and a second state of being away from the first adapter bracket 200 along the first direction. A USB flash drive is disposed on the second adapter bracket 300. A first USB adapter socket 400 is disposed on the first adapter bracket 200. The female plug of the first USB adapter socket 400 is used to insert the USB interface of the device under test. When the second adapter bracket 300 is in the first state, the USB flash drive is inserted into the male plug of the first USB adapter socket 400. When the second adapter bracket 300 is in the second state, the USB flash drive is separated from the male plug of the first USB adapter socket 400. The driving assembly is used to automatically drive the second adapter bracket 300 to switch between the first state and the second state.

[0038] The USB hot-plug testing device in this embodiment uses a first USB adapter 400 mounted on a first adapter tray 200. The male and female connectors of the first USB adapter 400 are respectively matched with the USB interfaces of a USB flash drive and a device under test. When performing a hot-plug test on the device under test, the USB interface of the device is first plugged into the female connector of the first USB adapter 400 to establish a communication connection. Then, the second adapter tray 300 is automatically switched to a first state by a drive component, so that the USB flash drive is automatically plugged into the male connector of the first USB adapter 400 to establish a communication connection. Then, the second adapter bracket 300 is automatically switched to the second state by the drive component, so that the USB flash drive is automatically unplugged from the male plug of the first USB adapter 400 to disconnect the communication connection. This realizes the repeated automatic insertion and unplugging of the USB flash drive into the male plug of the first USB adapter 400. In the entire hot-plug test, the female plug of the first USB adapter 400 only needs to be plugged and unplugged from the USB interface of the device product once, so as to improve the efficiency of hot-plug test and prevent damage to the USB interface of the device product.

[0039] Understandably, during the hot-swap test, the device has a software system for electrical connection. When the USB flash drive is automatically plugged into the male connector of the first USB adapter 400 to establish a communication connection, the USB flash drive and the device's USB interface establish a communication connection. The USB flash drive's read / write program performs software testing on the device and displays whether the read failed or was successful through the software system, and also performs statistical analysis on the results.

[0040] In specific applications, the device product in this embodiment is a vehicle-mounted device product.

[0041] It should be noted that in this embodiment, the USB flash drive and the male plug of the first USB adapter 400 are aligned along the first direction. When the driving component drives the second adapter bracket 300 to move along the first direction and switch to the first state, it can ensure that the USB flash drive can be smoothly plugged into the male plug of the first USB adapter 400 to achieve communication connection.

[0042] It is understandable that the "first direction" mentioned in the text refers to any direction on the horizontal plane; for ease of description, it is used as... Figure 1 The first direction in the text is described as the first direction, but not as a specific limitation on the first direction.

[0043] In some embodiments, the first USB adapter 400 is detachably connected to the first adapter tray 200. When the first USB adapter 400 is damaged and needs to be replaced due to hot-plug testing of multiple device products, it can be removed from the first adapter tray 200 for replacement. Compared to replacing the first USB adapter 400 and the first adapter tray 200 together, the repair cost of this embodiment is lower.

[0044] like Figure 2 As shown. Specifically, the first adapter bracket 200 has a first through hole 210 extending along a first direction, through which the first USB adapter 400 passes; the outer side wall of the first USB adapter 400 has a first limiting platform 410 protruding, and the first limiting platform 410 is connected to the first adapter bracket 200 by a first bolt assembly. The first USB adapter 400 is detachably connected to the first adapter bracket 200 by the first bolt assembly, making disassembly and assembly operations simpler.

[0045] Specifically, the first limiting platform 410 is provided with a plurality of first through holes 411, which are spaced circumferentially around the center of the first through hole 210. The first through holes 411 penetrate the first limiting platform 410 in a first direction. The first adapter bracket 200 is provided with a first threaded hole 220 corresponding to the position of the first through hole 411. The first bolt assembly includes a number of first bolts equal to the number of first through holes 411. The first through holes 411 are used for the shank of the first bolt to pass through, and the first bolts are matched with the first threaded holes 220. When assembling the first USB adapter 400 and the first adapter bracket 200 into one unit, first pass the end of the first USB adapter 400 with the female plug through the first through hole 411 until the first limiting platform 410 abuts against the side wall of the first adapter bracket 200 along the first direction. At this time, the first through hole 411 and the corresponding first threaded hole 220 are aligned along the first direction. Then, pass the shank of the first bolt through the first through hole 411 and tighten it into the corresponding first threaded hole 220. When it is necessary to remove the first USB adapter 400 from the first adapter bracket 200, simply unscrew each first bolt from the corresponding first threaded hole 220 and pull the first bolt out of the corresponding first through hole 411. The entire disassembly and assembly process is simple to operate.

[0046] In specific applications, such as Figure 2 As shown, there are two first perforations 411, which are spaced apart at the diagonal of the rectangular outline.

[0047] In some embodiments, the second adapter tray 300 is provided with a second USB adapter 500, and the male plug of the second USB adapter 500 is used to plug in the USB flash drive; when the second adapter tray 300 is in a first state, the female plug of the second USB adapter 500 is plugged into the male plug of the first USB adapter 400; when the second adapter tray 300 is in a second state, the female plug of the second USB adapter 500 is separated from the male plug of the first USB adapter 400. By providing a second USB adapter 500 on the second adapter bracket 300, with the male and female plugs of the second USB adapter 500 matching the USB flash drive and the male plug of the first USB adapter 400 respectively, during hot-plug testing of the device under test, the device's USB interface is first plugged into the female plug of the first USB adapter 400 to establish a communication connection, and the USB flash drive is plugged into the male plug of the second USB adapter 500 to establish a communication connection. Then, the automatic actions of inserting the female plug of the second USB adapter 500 into the male plug of the first USB adapter 400 and unplugging the female plug of the second USB adapter 500 from the male plug of the first USB adapter 400 are repeated. During the entire hot-plug test, the female plug of the first USB adapter 400 only needs to be plugged and unplugged from the USB interface of the device once, and the male plug of the second USB adapter 500 only needs to be plugged and unplugged from the USB flash drive once. This improves the efficiency of hot-plug testing while minimizing damage to the USB interface of the device and the USB flash drive.

[0048] It should be noted that in this embodiment, the female plug of the second USB adapter 500 and the male plug of the first USB adapter 400 are aligned along the first direction. When the driving component drives the second adapter bracket 300 to move along the first direction and switch to the first state, it can ensure that the female plug of the second USB adapter 500 can be smoothly inserted into the male plug of the first USB adapter 400 to achieve communication connection.

[0049] Specifically, the second USB adapter 500 is detachably connected to the second adapter tray 300. When the second USB adapter 500 is damaged and needs to be replaced due to hot-swapping tests on multiple devices, it can be removed from the second adapter tray 300 for replacement. Compared to replacing both the second USB adapter 500 and the second adapter tray 300 together, the repair cost of this embodiment is lower.

[0050] like Figure 2As shown, specifically, the second adapter bracket 300 has a second through hole 310 extending along the first direction, which allows the second USB adapter 500 to pass through. A second limiting platform 510 protrudes from the outer wall of the second USB adapter 500 and is connected to the second adapter bracket 300 via a second bolt assembly. The second USB adapter 500 is detachably connected to the second adapter bracket 300 via the second bolt assembly, simplifying assembly and disassembly.

[0051] Specifically, the second limiting platform 510 is provided with a plurality of second through holes 511, which are spaced circumferentially around the center of the second through hole 310. The second through holes 511 penetrate the second limiting platform 510 in a first direction. The second adapter bracket 300 is provided with a second threaded hole 320 corresponding to the position of the second through hole 511. The second bolt assembly includes a number of second bolts equal to the number of second through holes 511. The second through holes 511 are used for the shank of the second bolt to pass through, and the second bolt matches the second threaded hole 320. When assembling the second USB adapter 500 and the second adapter bracket 300 together, first pass the end of the second USB adapter 500 with the female plug through the second through hole 511 until the second limiting platform 510 abuts against the side wall of the second adapter bracket 300 along the first direction. At this time, the second through hole 511 and the corresponding second threaded hole 320 are aligned along the first direction. Then, pass the shank of the second bolt through the second through hole 511 and tighten it into the corresponding second threaded hole 320. When it is necessary to remove the second USB adapter 500 from the second adapter bracket 300, simply unscrew each second bolt from the corresponding second threaded hole 320 and pull the second bolt out of the corresponding second through hole 511. The entire disassembly and assembly process is simple to operate.

[0052] In some embodiments, the driving assembly further includes a linear motor 600 disposed on the base 100, the output end of the linear motor 600 being connected to the second adapter bracket 300, and the linear motor 600 being used to drive the second adapter bracket 300 to reciprocate along a first direction. With this configuration, during hot-plug testing of the device under test, by controlling the output end of the linear motor 600 to extend and retract at a set frequency, the actions of repeatedly and automatically inserting the female plug of the second USB adapter 500 into the male plug of the first USB adapter 400 and pulling the female plug of the second USB adapter 500 out of the male plug of the first USB adapter 400 are achieved, thus realizing automated hot-plug testing.

[0053] It should be noted that the extension and retraction positions of the output end of the linear motor 600 are precisely controlled under the setting control logic of the PLC, ensuring that the second adapter bracket 300 is accurately switched to the first state and accurately switched to the second state.

[0054] Specifically, a pad 230 is provided between the first adapter bracket 200 and the base 100, and an L-shaped plate 610 is provided at the output end of the linear motor 600. The horizontal part of the L-shaped plate 610 is arranged parallel to the first direction and is located above the linear motor 600. The second adapter bracket 300 is arranged on the horizontal part of the L-shaped plate 610. This arrangement ensures that the male plug of the first USB adapter 400 and the female plug of the second USB adapter 500 are aligned along the first direction without increasing the thickness of the linear motor 600, thereby reducing the cost of this embodiment.

[0055] like Figure 2 As shown, specifically, a slide rail 620 is provided on the side wall of the horizontal portion of the linear motor 600 facing the L-shaped plate 610. The slide rail 620 is arranged along a first direction, and the horizontal portion of the L-shaped plate 610 is slidably mounted on the slide rail 620 via a slider 611. Through the sliding guide cooperation between the slider 611 and the slide rail 620, the smoothness of the L-shaped plate 610 reciprocating along the first direction under the drive of the linear motor 600 is improved, ensuring that the second adapter bracket 300 is accurately switched to the first state and accurately switched to the second state.

[0056] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the present invention.

Claims

1. A USB hot-plug testing device, characterized in that, include: Base (100); A first adapter bracket (200) is disposed on the base (100); The second adapter bracket (300) is disposed on one side of the first adapter bracket (200) along the first direction. The second adapter bracket (300) has a first state close to the first adapter bracket (200) and a second state far away from the first adapter bracket (200). The USB flash drive is located in the second adapter tray (300); A first USB adapter (400) is disposed on the first adapter bracket (200), and the female plug of the first USB adapter (400) is used to plug into the USB interface of the test equipment product. When the second adapter bracket (300) is in the first state, the USB flash drive is plugged into the male connector of the first USB adapter (400); when the second adapter bracket (300) is in the second state, the USB flash drive is separated from the male connector of the first USB adapter (400). A drive component for automatically driving the second adapter bracket (300) to switch between a first state and a second state.

2. The USB hot-plug testing device according to claim 1, characterized in that, The first USB adapter (400) is detachably connected to the first adapter bracket (200).

3. The USB hot-plug testing device according to claim 2, characterized in that, The first adapter bracket (200) is provided with a first through hole (210) along a first direction, and the first through hole (210) is used for the first USB adapter (400) to pass through; the outer side wall of the first USB adapter (400) is provided with a first limiting platform (410), and the first limiting platform (410) is connected to the first adapter bracket (200) by a first bolt assembly.

4. The USB hot-plug testing device according to claim 3, characterized in that, The first limiting platform (410) is provided with a plurality of first through holes (411), which are spaced circumferentially around the center of the first through hole (210). The first through holes (411) penetrate the first limiting platform (410) in a first direction. The first adapter bracket (200) is provided with a first threaded hole (220) corresponding to the position of the first through hole (411). The first bolt assembly includes a number of first bolts equal to the number of first through holes (411). The first through holes (411) are used for the shank of the first bolt to pass through. The first bolts are matched with the first threaded holes (220).

5. A USB hot-plug testing device according to any one of claims 1 to 4, characterized in that, The second adapter bracket (300) is provided with a second USB adapter (500), and the male plug of the second USB adapter (500) is used to plug in the USB flash drive; When the second adapter bracket (300) is in the first state, the female plug of the second USB adapter (500) is plugged into the male plug of the first USB adapter (400); when the second adapter bracket (300) is in the second state, the female plug of the second USB adapter (500) is separated from the male plug of the first USB adapter (400).

6. The USB hot-plug testing device according to claim 5, characterized in that, The second USB adapter (500) is detachably connected to the second adapter bracket (300).

7. A USB hot-plug testing device according to claim 6, characterized in that, The second adapter bracket (300) is provided with a second through hole (310) along the first direction, and the second through hole (310) is used for the second USB adapter (500) to pass through; the outer side wall of the second USB adapter (500) is provided with a second limiting platform (510), and the second limiting platform (510) is connected to the second adapter bracket (300) by a second bolt assembly.

8. A USB hot-plug testing device according to claim 7, characterized in that, The second limiting platform (510) is provided with a plurality of second through holes (511), which are spaced circumferentially around the center of the second through hole (310). The second through holes (511) penetrate the second limiting platform (510) in a first direction. The second adapter bracket (300) is provided with a second threaded hole (320) corresponding to the position of the second through hole (511). The second bolt assembly includes a number of second bolts equal to the number of second through holes (511). The second through holes (511) are used for the shank of the second bolt to pass through. The second bolt matches the second threaded hole (320).

9. A USB hot-plug testing device according to any one of claims 1 to 4, characterized in that, The drive assembly also includes a linear motor (600) disposed on the base (100), the output end of the linear motor (600) being connected to the second adapter bracket (300), and the linear motor (600) being used to drive the second adapter bracket (300) to reciprocate along a first direction.

10. A USB hot-plug testing device according to claim 9, characterized in that, A pad (230) is provided between the first adapter bracket (200) and the base (100). An L-shaped plate (610) is provided at the output end of the linear motor (600). The horizontal part of the L-shaped plate (610) is arranged parallel to the first direction. The horizontal part of the L-shaped plate (610) is located above the linear motor (600). The second adapter bracket (300) is provided on the horizontal part of the L-shaped plate (610).

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