CN216013442U

CN216013442U - Test fixture

Info

Publication number: CN216013442U
Application number: CN202121921306.2U
Authority: CN
Inventors: 赵振华; 黄康
Original assignee: Zhejiang Uniview Technologies Co Ltd
Current assignee: Zhejiang Uniview Technologies Co Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-11
Anticipated expiration: 2031-08-16

Abstract

Provided herein is a test fixture including: SATA connector and auxiliary connector, SATA connector has the breach, auxiliary connector sets up to insert in the breach to with SATA connector cooperation forms the SAS connector, auxiliary connector sets up to can also follow the breach shifts out. In the test fixture, the SAS interface and the SATA interface can be tested, and the compatibility and the universality are good.

Description

Test fixture

Technical Field

This document relates to, but is not limited to, a test fixture.

Background

Hard disk storage is an indispensable part in the field of video monitoring, and is mainly divided into two interfaces, namely sata (serial advanced Technology attachment) and sas (serial Attached Small Computer System interface), and the current highest speed reaches 6 Gbps. Therefore, for the SATA/SAS interface, the hardware reliability and stability of the transmission link are important, and the interface signal index requirement must meet the standard requirement of protocol consistency.

The industry is currently approving SAS/SATA interface conformance testing to the association's third party instruments. The SAS tool can only test the SAS interface, the SATA tool can only test the SATA interface, and the SAS tool is incompatible and has larger defects in use.

SUMMERY OF THE UTILITY MODEL

The following is a summary of the subject matter described in detail herein.

The embodiment of the application provides a test fixture, which can test an SAS interface and an SATA interface and is good in compatibility.

A test fixture, comprising: a SATA connector and an auxiliary connector, the SATA connector having a notch,

the auxiliary connector is configured to be inserted into the notch to mate with the SATA connector to form an SAS connector, and the auxiliary connector is configured to be removed from the notch.

According to the test fixture provided by the embodiment of the application, the SATA connector can be used for testing the SATA interface, the auxiliary connector can be inserted into the notch of the SATA connector, and at the moment, the auxiliary connector can be matched with the SATA connector to form the SAS connector for testing the SAS interface; after the auxiliary connector is moved out of the gap, the SATA connector can be restored to be used for testing the SATA interface.

The test fixture is based on the SATA connector and assisted by the auxiliary connector, so that the test fixture can test the SAS interface and the SATA interface, and is good in compatibility and universality.

In some exemplary embodiments, the test fixture further comprises a test board, the SATA connector is fixed to the test board and electrically connected to the test board, and the auxiliary connector is movably connected to the test board.

In some exemplary embodiments, the auxiliary connector is configured to slidably connect to the test board.

In some exemplary embodiments, the test board is provided with a sliding groove, and the auxiliary connector is configured to slide along the sliding groove.

In some exemplary embodiments, the sliding groove is communicated with the notch, the auxiliary connector comprises a sliding fit part and a test connection part which are fixedly connected,

the sliding fit part is arranged to slide in the sliding groove in a reciprocating mode, and the test connecting part is arranged to extend into the gap to be matched with the SATA connector to form an SAS connector; alternatively, the test connection is configured to move out of the notch and retract into the chute.

In some exemplary embodiments, a width of the slide-fit portion in a direction perpendicular to the sliding direction is larger than a width of the test connection portion in the direction perpendicular to the sliding direction;

the width of the sliding groove in the direction perpendicular to the sliding direction is larger than the width of the notch in the direction perpendicular to the sliding direction.

In some exemplary embodiments, the auxiliary connector includes a circuit board, one end of the circuit board forms the sliding fit portion, an electrical connection portion is disposed on the sliding fit portion, and the other end of the circuit board is provided with a gold finger to form the test connection portion.

In some exemplary embodiments, the auxiliary connector is electrically connected with the test board;

alternatively, the auxiliary connector is arranged to be electrically non-conductive with the test board.

In some exemplary embodiments, the SATA connector is a gold finger disposed at one end of the test board;

or, the SATA connector is welded and fixed on the test board.

In some exemplary embodiments, the SATA connector has conductive contacts at a first end thereof, and the auxiliary connector has conductive contacts at a second end thereof opposite the first end.

Additional features and advantages of embodiments of the present application will be set forth in the description which follows.

Drawings

FIG. 1 is a schematic diagram illustrating a state of a test fixture according to an embodiment of the present disclosure;

fig. 2 is a schematic view illustrating another state of a test fixture according to an embodiment of the present disclosure.

Reference numerals:

1-test board, 11-chute, 2-SATA connector, 21-notch, 3-auxiliary connector, 31-test connection part, 32-sliding fit part.

Detailed Description

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The embodiment of the present application provides a test fixture, as shown in fig. 1 and 2, the test fixture includes a SATA connector 2 and an auxiliary connector 3.

Wherein the SATA connector 2 has a notch 21. As shown in fig. 1, the auxiliary connector 3 is configured to be inserted into the notch 21 to cooperate with the SATA connector 2 to form an SAS connector; as shown in fig. 2, the auxiliary connector 3 is arranged to be removable from the notch 21.

In the testing fixture provided by the embodiment of the application, the SATA connector 2 can be used for testing the SATA interface, and the gap 21 of the SATA connector 2 is adapted to the shape of the SATA interface. As shown in fig. 1, the auxiliary connector 3 can be inserted into the notch 21 of the SATA connector 2, and at this time, the auxiliary connector 3 can be matched with the SATA connector 2 to form an SAS connector for testing an SAS interface; as shown in fig. 2, the auxiliary connector 3 can be removed from the gap 21, and the SATA connector 2 can be recovered for testing the SATA interface.

This test fixture, based on SATA connector 2, with auxiliary connector 3 as supplementary, through inserting auxiliary connector 3 into the breach 21 of SATA connector 2 or shift out from breach 21, realize the conversion between SAS connector and SATA connector 2 to test fixture can realize the test to SAS interface and SATA interface, and the compatibility is good, has improved test fixture's commonality.

It should be understood that as shown in fig. 1 and 2, the SATA connector 2 is provided with a plurality of conductive contacts, and a gap 21 is formed between adjacent two of the conductive contacts. A plurality of conductive contacts are provided on the auxiliary connector 3, and when the auxiliary connector 3 is inserted into the notches 21 of the SATA connector 2, the portion of the auxiliary connector 3 on which the conductive contacts are provided is inserted between the notches 21. Wherein, be equipped with conductive contact on the first terminal surface of SATA connector 2, be equipped with conductive contact on the second terminal surface that supplementary connector 3 carried on the back with the first terminal surface to conductive contact on SATA connector 2 and the conductive contact cooperation on the supplementary connector 3 form SAS connector.

In some exemplary embodiments, as shown in fig. 1 and 2, the test fixture further includes a test board 1, the SATA connector 2 is fixed to the test board 1 and electrically connected to the test board 1, and the auxiliary connector 3 is movably connected to the test board 1.

The test board 1 can be a circuit board (e.g., a PCB), the SATA connector 2 is fixed to the test board 1 and can be electrically connected to the test board 1, the test board 1 can be electrically connected to a test instrument, and the auxiliary connector 3 is movably connected to the test board 1, so that the auxiliary connector 3 can be inserted into the notch 21 of the SATA connector 2 for testing an SAS interface, or the auxiliary connector 3 can be removed from the notch 21 of the SATA connector 2 for testing an SATA interface.

In some exemplary embodiments, as shown in fig. 1 and 2, the auxiliary connector 3 is configured to be slidably connected to the test board 1.

The auxiliary connectors 3 are slidably connected to the test board 1. in the embodiment shown in fig. 1 and 2, the auxiliary connectors 3 are slidable up and down relative to the test board 1. The auxiliary connector 3 can be slidably inserted into the notch 21 of the SATA connector 2 or slide out from the notch 21 of the SATA connector 2, so as to realize conversion between the SAS interface and the SATA interface.

It should be understood that the auxiliary connector 3 is not limited to be slidably connected to the test board 1, but may be rotatably connected to the test board 1 such that the auxiliary connector 3 can swing into the notch 21 of the SATA connector 2 or swing out of the notch 21 of the SATA connector 2.

In some exemplary embodiments, as shown in fig. 1 and 2, the test board 1 is provided with a slide groove 11, and the auxiliary connector 3 is disposed to be capable of sliding along the slide groove 11.

The test board 1 is provided with a sliding slot 11, the auxiliary connector 3 can slide along the sliding slot 11, and the sliding slot 11 can guide the sliding of the auxiliary connector 3, so that the auxiliary connector 3 can be smoothly inserted into the notch 21 of the SATA connector 2.

In some exemplary embodiments, as shown in fig. 1 and 2, chute 11 on test board 1 communicates with notch 21 of SATA connector 2.

The auxiliary connector 3 includes a sliding fit portion 32 and a test connection portion 31 which are fixedly connected, the sliding fit portion 32 is arranged near one side of the sliding groove 11, the test connection portion 31 is arranged near one side of the notch 21, and a conductive contact piece is arranged on the test connection portion 31.

The sliding fit part 32 is arranged to slide in the sliding groove 11 in a reciprocating manner and drives the test connection part 31 to move in a reciprocating manner, so that the test connection part 31 can extend into the gap 21 to be matched with the SATA connector 2 to form an SAS connector; alternatively, the test connection portion 31 can be moved out of the notch 21 and retracted into the sliding groove 11, so as not to affect the SATA connector 2 to perform plugging and testing on the SATA interface.

In some exemplary embodiments, as shown in fig. 1 and 2, the width of the slide-fit portion 32 in the direction perpendicular to the sliding direction (the width in the left-right direction in fig. 1 and 2) is larger than the width of the test connection portion 31 in the direction perpendicular to the sliding direction. Accordingly, the width of the slide groove 11 in the direction perpendicular to the sliding direction is larger than the width of the notch 21 in the direction perpendicular to the sliding direction.

The width of test connecting portion 31 along perpendicular to slip direction needs to be with the width looks adaptation of breach 21 of SATA connector 2, and the width of sliding fit portion 32 along perpendicular to slip direction is greater than the width of test connecting portion 31 along perpendicular to slip direction, avoids auxiliary connector 3 to form rectangular shape structure on the one hand, and intensity is poor, and on the other hand can set up electric connection portion on sliding fit portion 32 for electric connection portion's setting is convenient.

In some exemplary embodiments, the auxiliary connector 3 is electrically connected to the test board 1. The electrical connection portions on the auxiliary connector 3 (e.g., the sliding fit portion 32) can be electrically connected to the test board 1, and then connected to the test instrument through the test board 1. The test board 1 and the test instrument may be connected by an electrical connection plug or a transmission cable.

In other exemplary embodiments, the auxiliary connector 3 is arranged electrically non-conductive with the test board 1. The electrical connections on the test board 1 and the electrical connections on the auxiliary connectors 3 (e.g., the slip-fit portions 32) can be electrically connected to the test instrument, respectively. The test board 1 and the test instrument and the auxiliary connector 3 and the test instrument may be connected by transmission cables.

In some exemplary embodiments, as shown in fig. 1 and 2, the auxiliary connector 3 may include a circuit board having one end (a lower end in fig. 1 and 2) forming a slide-fit portion 32 and the other end (an upper end in fig. 1 and 2) provided with a gold finger to form a test connection portion 31. The circuit board has a smaller dimension such as length and width than the test board 1.

In some exemplary embodiments, as shown in fig. 1 and 2, the SATA connector 2 is a gold finger disposed at one end of the test board 1. At this moment, SATA connector 2 and survey test panel 1 formula structure as an organic whole for firm in connection of the two, avoided the SATA connector 2 that leads to with SATA interface or SAS interface plug many times with survey test panel 1 the connecting portion problem of splitting or fracture, increased the life-span of test fixture in the in-service use.

In other exemplary embodiments, SATA connector 2 is solder-mounted to test board 1. The test board 1 is provided with pads to which the SATA connectors 2 are soldered.

To sum up, the test fixture of the embodiment of the application, by additionally providing the auxiliary connector capable of sliding up and down, when the interface of the test host is the SAS interface, slides the auxiliary connector to a position flush with the SATA connector (gold finger) to test the index of the SAS interface; when the interface of the test host is the SATA interface, the auxiliary connector can slide into the retraction chute so as to be compatible with the test of the SATA interface.

Through strict routing control and impedance control, the test fixture of the embodiment of the application is processed, and through verification, the reliability of the test fixture is higher than that of the original test fixture which can only test the SATA interface or the SAS interface.

Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims

1. A test fixture, comprising: a SATA connector and an auxiliary connector, the SATA connector having a notch,

2. The test fixture of claim 1, further comprising a test board, wherein the SATA connector is fixed to and electrically connected to the test board, and wherein the auxiliary connector is movably connected to the test board.

3. The test fixture of claim 2, wherein the auxiliary connector is configured to slidably couple to the test board.

4. The test fixture of claim 3, wherein the test board has a sliding slot, and the auxiliary connector is configured to slide along the sliding slot.

5. The testing fixture of claim 4, wherein the sliding groove is in communication with the notch, the auxiliary connector comprises a sliding fit portion and a testing connection portion that are fixedly connected,

6. The test fixture of claim 5, wherein the width of the sliding fit portion in the direction perpendicular to the sliding direction is greater than the width of the test connection portion in the direction perpendicular to the sliding direction;

7. The testing fixture of claim 5, wherein the auxiliary connector comprises a circuit board, one end of the circuit board forms the sliding fit portion, the sliding fit portion is provided with an electrical connection portion, and the other end of the circuit board is provided with a gold finger to form the testing connection portion.

8. The test fixture of any one of claims 2-7, wherein the auxiliary connector is electrically connected to the test board;

9. The test fixture of any one of claims 2-7, wherein the SATA connector is a gold finger disposed at one end of the test board;

or, the SATA connector is welded and fixed on the test board.

10. The test fixture of any one of claims 1 to 7, wherein the SATA connector has a first end with a conductive contact and the auxiliary connector has a second end opposite the first end with a conductive contact.