CN218918454U

CN218918454U - Testing device for U.2 interface hard disk

Info

Publication number: CN218918454U
Application number: CN202223217075.4U
Authority: CN
Inventors: 黄松义
Original assignee: Shandong Yunhai Guochuang Cloud Computing Equipment Industry Innovation Center Co Ltd
Current assignee: Shandong Yunhai Guochuang Cloud Computing Equipment Industry Innovation Center Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-25
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a testing device for a U.2 interface hard disk, which comprises: u.2 connector female sockets welded on the PCB; u.2 connector female seat is connected with U.2 interface hard disk to be tested; u.2 the connector female comprises a plurality of signal test input ports and two power output ports; the first output power supply is connected to the phase A of the socket through the anti-interference module; the first output power supply input to the phase A of the socket is connected to the second output power supply through the voltage dividing module. According to the utility model, the hard disk is not required to be directly connected to the host, and the power supply to the U.2 interface hard disk can be realized without a PCIe transfer U.2 patch cord with high price, so that the power supply is used for testing power supply signals and hardware low-speed signals, and the risk of burning a host mainboard caused by unstable single-board circuits in the debugging process is avoided; and because it does not depend on the host computer case, can place the single board arbitrarily, turn over the single board, facilitate measuring each signal test point on the single board.

Description

Testing device for U.2 interface hard disk

Technical Field

The utility model belongs to the technical field of hard disk testing, and particularly relates to a testing device for a U.2 interface hard disk.

Background

U.2 interface: SFF-8639 is an interface specification proposed by the solid state disk form working group (SSD Factor Work Group).

When the hard disk of U.2 interface needs to be electrified for test, or the hard disk is inserted into the host computer of U.2 interface, because of the space limitation in the host computer case, the measurement is very inconvenient, some signals cannot be measured at all, and meanwhile, because of the early debugging stage of the single board, the single board circuit is immature, unstable and the like, the risk of burning out the host computer mainboard exists. Or the special patch cord with high price is used, all signals of the U.2 interface are led to the outside of the main cabinet, so that the signals can be conveniently measured, meanwhile, the risk of burning out a main board of the main machine exists, the main board of the main machine is high in cost, and once the main board of the main machine is burnt out, the loss is high.

Disclosure of Invention

The utility model provides a testing device for a U.2 interface hard disk, which can realize the power supply of the U.2 interface hard disk without directly connecting the hard disk to a host computer or requiring an expensive PCIe-to-U.2 patch cord

In order to solve the technical problems, the utility model provides the following technical scheme for realizing the purposes:

a test device for a U.2 interface hard disk, comprising: u.2 connector female sockets welded on the PCB; the U.2 connector female seat is connected with a U.2 interface hard disk to be tested;

the U.2 connector base comprises a plurality of signal test input ports and two power output ports; the first output power supply is connected to the phase A of the socket through the anti-interference module; the first output power supply input to the phase A of the socket is connected to the second output power supply through the voltage dividing module.

Further, the first output power supply is a 12V power supply; the second output power supply is a 3.3V power supply.

Furthermore, the anti-interference module adopts magnetic beads.

Further, the first output power is connected to the socket through the anti-interference module specifically comprises: the first output power supply is connected with one end of the SPST switch through the magnetic beads, and the other end of the SPST switch is connected with the A of the socket.

Further, the voltage dividing module is a resistor voltage dividing module.

Furthermore, after the phase B and the phase C of the socket are combined, one path is grounded, and the other path is connected with the phase A of the socket through a transient suppression diode.

Further, the device also comprises a first filtering module;

the first output power supply is grounded through the first filtering module.

Further, the device also comprises a second filtering module;

the second output power supply is grounded through a second filtering module.

Further, the first filtering module is a 1 mu F capacitor.

Further, the second filtering module is a 1 mu F capacitor.

The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and one of the above technical solutions has the following advantages or beneficial effects:

the utility model provides a testing device for a U.2 interface hard disk, which belongs to the technical field of hard disk testing, and comprises: u.2 connector female sockets welded on the PCB; the U.2 connector female seat is connected with a U.2 interface hard disk to be tested; u.2 the connector female comprises a plurality of signal test input ports and two power output ports; the first output power supply is connected to the phase A of the socket through the anti-interference module; the first output power supply input to the phase A of the socket is connected to the second output power supply through the voltage dividing module. According to the utility model, the hard disk is not required to be directly connected to the host, and the power supply to the U.2 interface hard disk can be realized without a PCIe transfer U.2 patch cord with high price, so that the power supply is used for testing power supply signals and hardware low-speed signals, and the risk of burning a host mainboard caused by unstable single-board circuits in the debugging process is avoided; and because it does not depend on the host computer case, can place the single board arbitrarily, turn over the single board, facilitate measuring each signal test point on the single board.

Drawings

Fig. 1 is a schematic circuit connection diagram of a testing device for a U.2 interface hard disk according to embodiment 1 of the present utility model.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model.

Example 1

The embodiment 1 of the utility model provides a testing device for a U.2 interface hard disk, which is used for solving the technical problems in the prior art, and the hard disk can be used for testing power signals and partial low-speed signals without being connected into a host case, so that the risk of burning a main board is avoided, and the testing flexibility and convenience are high because the space in the host case is not limited.

Fig. 1 is a schematic circuit connection diagram of a testing device for a U.2 interface hard disk according to embodiment 1 of the present utility model. The device comprises a U.2 connector female seat welded on a PCB; u.2 connector female seat is connected with U.2 interface hard disk to be tested;

u.2 the connector female comprises a plurality of signal test input ports and two power output ports; the first output power supply is connected to the phase A of the socket through the anti-interference module; the first output power supply input to the phase A of the socket is connected to the second output power supply through the voltage dividing module. The first output power supply is a 12V power supply; the second output power supply is a 3.3V power supply.

The anti-interference module adopts magnetic beads.

The first output power supply is connected to the socket through the anti-interference module specifically comprises: the first output power supply is connected with one end of the SPST switch through the magnetic beads, and the other end of the SPST switch is connected with the A of the socket.

The voltage dividing module is a resistor voltage dividing module.

And the phase B and the phase C of the socket are combined, one path is grounded, and the other path is connected with the phase A of the socket through a transient suppression diode.

The apparatus further comprises a first filtering module; the first output power supply is grounded through the first filtering module.

The device also comprises a second filtering module; the second output power supply is grounded through the second filtering module.

The first filter module is a 1 mu F capacitor; the second filter module is 1 mu F capacitor

In fig. 1, the U.2 connector socket is J1, the U.2 connector socket J1 is welded on a PCB board, and +12v, +3.3v_aux power signals are led out on the PCB board, signals such as UART and SMBUS are led out at the same time, and signal test points TP1-TP7 are reserved.

The +12V power supply of the U.2 connector female socket J1 is connected with the DC005 socket through the magnetic bead FB1 and the SPST switch SW1, and meanwhile, the TVS device D1 and the capacitor C2 are added to protect and filter the +12V power supply.

In the application, the resistor adopts a voltage dividing resistor, the +3.3V_AUX power supply is obtained through the voltage division of the resistors R1, R2 and R3, the +1V of the voltage division is obtained before the SPST power switch is turned on, the 3.3V_AUX is powered on under the condition that the switch is not turned on, the 3.3V_AUX of a normal U.2 interface is simulated, and the capacitor C1 plays a role in filtering.

Therefore, the working process of the testing device for the U.2 interface hard disk disclosed by the application is as follows:

welding a U.2 connector female seat on a PCB; u.2 connector female seat is connected with U.2 interface hard disk that awaits measuring.

The device is connected to a J2 socket through a common 12V power adapter, the D1 device plays a role in protecting an input +12V_IN power supply, and 3.3V_AUX voltage is generated on a PCB immediately;

after the SPST power switch SW1 is pressed, the +12V main power is conducted to the U.2 connector, the power-on process of the hard disk is completed, and the power test of the hard disk circuit board can be performed;

when the hard disk single board is required to be repeatedly electrified or the power supply is abnormally electrified, the operation can be performed through the SPST power switch;

the testing device for the U.2 interface hard disk reserves UART signals, can be connected with a computer on a daughter board through a serial port line if required, and can send related testing instructions to the hard disk by using a serial port debugging assistant at a computer end, thereby avoiding the direct welding flying wire operation on a single hard disk board.

According to the utility model, the hard disk is not required to be directly connected to the host, and the power supply to the U.2 interface hard disk can be realized without a PCIe transfer U.2 patch cord with high price, so that the power supply is used for testing power supply signals and hardware low-speed signals, and the risk of burning a host mainboard caused by unstable single-board circuits in the debugging process is avoided; and because it does not depend on the host computer case, can place the single board arbitrarily, turn over the single board, facilitate measuring each signal test point on the single board.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is inherent to. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. In addition, the parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of the corresponding technical solutions in the prior art, are not described in detail, so that redundant descriptions are avoided.

While the specific embodiments of the present utility model have been described above with reference to the drawings, the scope of the present utility model is not limited thereto. Other modifications and variations to the present utility model will be apparent to those of skill in the art upon review of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. On the basis of the technical scheme of the utility model, various modifications or variations which can be made by the person skilled in the art without the need of creative efforts are still within the protection scope of the utility model.

Claims

1. A test device for a U.2 interface hard disk, comprising: u.2 connector female sockets welded on the PCB; the U.2 connector female seat is connected with a U.2 interface hard disk to be tested;

2. The test device for U.2 interface hard disk of claim 1, wherein said first output power source is a 12V power source; the second output power supply is a 3.3V power supply.

3. The device for testing a U.2 interface hard disk of claim 1, wherein said tamper resistant module comprises magnetic beads.

4. A testing device for a U.2 interface hard disk according to claim 3, wherein the first output power is connected to the socket through an anti-interference module specifically comprises: the first output power supply is connected with one end of the SPST switch through the magnetic beads, and the other end of the SPST switch is connected with the A of the socket.

5. The device for testing a U.2 interface hard disk of claim 4, wherein the voltage divider module is a resistive voltage divider module.

6. The device for testing a U.2 interface hard disk of claim 4, wherein the B and C phases of the socket are combined and one path is connected to ground and the other path is connected to the a phase of the socket via a transient suppression diode.

7. The apparatus for testing a U.2 interface hard disk of claim 1, further comprising a first filter module;

the first output power supply is grounded through the first filtering module.

8. The apparatus for testing a U.2 interface hard disk of claim 1, further comprising a second filter module;

the second output power supply is grounded through a second filtering module.

9. The device for testing a U.2 interface hard disk of claim 7, wherein the first filter module is a 1 μf capacitor.

10. The device for testing a U.2 interface hard disk of claim 8, wherein the second filter module is a 1 μf capacitor.