CN211375491U - Hard disk switching PCB - Google Patents

Abstract

The application discloses hard disk switching PCB, this hard disk switching PCB include openly and the back, openly have first location blind hole, the positive position of hugging closely first edge has based on the first hard disk connector of first location blind hole location, the back has second location blind hole, just hug closely of the back the position of first edge has based on the second hard disk connector of second location blind hole location. The hard disk switching PCB can maximize the space of PCB layout, and provides a carrier for realizing more functions of the PCB.

Description

A hard disk transfer PCB

technical field

The utility model belongs to the technical field of PCB, in particular to a hard disk transfer PCB.

Background technique

With the rapid development of the electronics industry, more and more functions need to be implemented on very small PCB boards. In the traditional PCB layout and processing process, in order to achieve more functions, more electronic components need to be placed on the PCB, which makes it necessary to increase the size of the PCB board. The size cannot be increased, and it can be seen that this contradiction is difficult to solve. Specifically, as shown in Figures 1 and 2, Figure 1 is a schematic front view of an existing hard disk adapter PCB, Figure 2 is a schematic diagram of the back of an existing hard disk adapter PCB, as can be seen from Figure 1, the front The left and right sides of the hard disk connector 101 have through-hole positioning pins 102 and 103 respectively. It can be seen from FIG. 2 that the rear hard disk connector 104 and the front hard disk connector 101 need to be staggered by a certain distance, and due to the limitation of the size of the board, some Part 105 was unable to swing into the board, causing the evaluation of the entire solution to fail.

Utility model content

In order to solve the above problems, the present invention provides a hard disk adapter PCB, which can maximize the layout space of the PCB and provide a carrier for realizing more functions of the board.

A hard disk adapter PCB provided by the present invention includes a front and a back. A hard disk connector, the back surface has a second blind positioning hole, and a position of the back surface close to the first edge has a second hard disk connector positioned based on the second blind positioning hole.

Preferably, in the above-mentioned hard disk adapter PCB, the first blind positioning hole and the second blind positioning hole are located in the same vertical direction and are not transparent.

Preferably, in the above-mentioned hard disk adapter PCB, a power conversion module and a communication module are arranged between the first hard disk connector and the second hard disk connector.

Preferably, in the above hard disk adapter PCB, the power conversion module includes a 12V power conversion unit and a 3V3 power conversion unit.

Preferably, in the above hard disk adapter PCB, the communication module is a PCIE&clk&Sideband module.

Preferably, in the above-mentioned hard disk adapter PCB, both the first hard disk connector and the second hard disk connector are connected with a power-on indicating component.

Preferably, in the above-mentioned hard disk adapter PCB, the power-on indication component is an LED light source.

It can be seen from the above description that the hard disk adapter PCB provided by the present application has a first positioning blind hole on the front side, a first hard disk connector positioned based on the first positioning blind hole on the front side close to the first edge, and a back side with a first hard disk connector positioned based on the first positioning blind hole. The second positioning blind hole, and the position on the back close to the first edge has a second hard disk connector positioned based on the second positioning blind hole. It can be seen that the use of this blind hole design will not affect other surfaces on the opposite side of the blind hole. The arrangement of the components, so the first blind positioning hole and the second blind positioning hole no longer need to be spaced very large, that is, both can be close to the lower edge, so that the upper area of the back has enough space to accommodate other components, Therefore, the layout space of the hard disk adapter PCB can be maximized, a carrier is provided for the realization of more functions, and the problem of insufficient space is solved.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative efforts.

1 is a schematic front view of an existing hard disk adapter PCB;

2 is a schematic diagram of the back of an existing hard disk adapter PCB;

3 is a schematic front view of a hard disk adapter PCB provided by the application;

4 is a schematic diagram of the back of a hard disk adapter PCB provided by the application;

Figure 5 is a schematic diagram showing the front and back of the PCB at the same time;

6 is a schematic diagram of the interconnection topology of the first hard disk connector and the second hard disk connector;

FIG. 7 is a schematic diagram of the application of the hard disk adapter PCB.

Detailed ways

The core of the utility model is to provide a hard disk adapter PCB, which can maximize the layout space of the PCB and provide a carrier for the realization of more functions.

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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiments of a hard disk adapter PCB provided by the present application are shown in FIGS. 3 and 4 . The hard disk adapter PCB includes a front and a back. FIG. 3 is a schematic front view of a hard disk adapter PCB provided by the application, and FIG. 4 A schematic diagram of the back of a hard disk adapter PCB provided for this application, with reference to FIG. 3 , the front side has a first blind positioning hole 301, the number of which can be but not limited to two as shown in FIG. 3, the front side is close to the first edge The position of the first hard disk connector 302 located based on the first positioning blind hole 301 (the entire rectangular frame is the first hard disk connector 302), the first edge mentioned here can be the lower edge as shown in FIG. 3 , of course, it is not limited, and it can also be changed according to the actual situation. It should be noted here that a blind hole is a kind of PCB via hole, which is drilled from the outer layer of the PCB to an inner layer of the PCB to ensure that it is not drilled through. The PCB can accommodate PIN pins like the through holes in the prior art and play a connection role. Referring to FIG. 4 , the back has a second positioning blind hole 401 , the number of which can also be but not limited to two as shown in FIG. 4 . , and a second hard disk connector 402 positioned based on the second blind positioning hole 401 is located on the back at the position close to the first edge. It should be noted that FIG. 3 only shows the position of the second blind positioning hole 401 to The relative position of the first positioning blind hole 301 is shown. In fact, the second positioning blind hole 401 cannot be seen from the front. Similarly, FIG. 4 only shows the position of the first positioning blind hole 301 to show Due to its relative position with the second blind positioning hole 401, the first blind positioning hole 301 is actually invisible from the back. It can be seen that the key point of this solution is to adopt this blind hole design. Referring to Figure 3, the second positioning hole Blind hole 401 only has holes on the back, but is not transparent on the front, so it does not affect the arrangement of other components on the front, thus saving some space, making the PCB layout more compact, and the overall outline of the PCB is not too large In this case, the required components can be put down. Similarly, referring to FIG. 4, the first positioning blind hole 301 is not transparent on the back, so it does not affect the arrangement of other components on the back, thus making the PCB layout more convenient. It is compact, so that the PCB can accommodate enough components without being too large. It should also be noted that the distance between the first positioning blind hole and the second positioning blind hole in the horizontal direction is not limited, as long as it is suitable for the overall layout. , even the two can be in the same vertical direction, as long as the two do not cause the PCB board to be transparent.

As can be seen from the above description, in the embodiment of the hard disk adapter PCB provided in the present application, since the front side has a first blind positioning hole, the position of the front side close to the first edge has a first hard disk connection located based on the first blind positioning hole It has a second positioning blind hole on the back, and a second hard disk connector positioned based on the second positioning blind hole at the position on the back that is close to the first edge. It can be seen that the use of this blind hole design will not affect the The arrangement of other components on the other side, so the first blind positioning hole and the second blind positioning hole no longer need to be spaced very large, that is, both can be close to the lower edge, so that the upper area of the back has enough space It accommodates other components, thereby maximizing the layout space of the hard disk adapter PCB, providing a carrier for the realization of more functions, and solving the problem of insufficient space.

In a specific embodiment of the above hard disk adapter PCB, the first blind positioning hole 301 and the second blind positioning hole 401 are located in the same vertical direction and are not transparent, which can further save space, and the remaining space can accommodate more Multiple electronic components, in this case, the first hard disk connector and the second hard disk connector are preferably of the same model, and have positioning pins of the same size, and the sum of the lengths of the two positioning pins is less than the board thickness 10mil, Prevent the PCBA from damaging the pins of the PCB board and hard disk connector due to stress during the assembly process. Referring to FIG. 5, FIG. 5 is a schematic diagram showing the front and back of the PCB at the same time, and its structure can be seen more clearly from FIG. 5: the first hard disk connector is positioned and installed on the front of the PCB using the first positioning blind hole, and The second hard disk connector is positioned and installed on the back of the PCB by using the second positioning blind hole, and it can be seen that the first positioning blind hole is located directly above the second positioning blind hole, and the two are not transparent, which will not affect the PCB. normal function.

In another specific embodiment of the above hard disk adapter PCB, there is a power conversion module and a communication module between the first hard disk connector 301 and the second hard disk connector 401. Further, as shown in FIG. 6, FIG. 6 It is a schematic diagram of the interconnection topology of the first hard disk connector and the second hard disk connector. The power conversion module includes a 12V power conversion unit and a 3V3 power conversion unit, specifically "Ssd3v3_aux/Efuse/P3v3_ssd" and "p12V_in/Efuse" in Figure 6 /p12V_ssd”, which can realize the conversion between the power supply signal of the hard disk and the power supply signal of the main board. In the above-mentioned hard disk switching PCB, the communication module is a PCIE&clk&Sideband module, which can ensure the effective communication between the main board and the hard disk. In a preferred embodiment, continuing to refer to FIG. 6 , both the first hard disk connector 301 and the second hard disk connector 401 are connected with a power-on indicating component 601, so that after the hard disk or other connectors connected thereto are powered on, It is indicated to the user, which is more convenient for the user to identify whether to power on or not. The power-on indicating component may preferably be an LED light source.

Specifically, the application scenario of the hard disk adapter PCB provided by the embodiment of the present application may be as shown in FIG. 7 , which is a schematic diagram of the application of the hard disk adapter PCB. The riser in FIG. 7 is the hard disk adapter PCB, which can be replaced by the hard disk adapter PCB. The male header on the front of the hard disk adapter PCB is connected to the SSD, the female header on the back is connected to the connector on the backplane, and the backplane and the main control board realize signal interconnection through various connectors. The two hard disk adapter PCBs ( Riser) realizes interconnection on the backplane, and the power and signals used for the hard disk transfer PCB board card come from the main control board.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a hard disk switching PCB which characterized in that, includes openly and the back, openly have first location blind hole, the positive position of hugging closely first edge has based on the first hard disk connector of first location blind hole location, the back has second location blind hole, just hug closely of back the position of first edge has based on the second hard disk connector of second location blind hole location.

2. The hard disk transfer PCB of claim 1, wherein the first positioning blind hole and the second positioning blind hole are in a same vertical direction and are not transparent.

3. The hard disk transfer PCB of claim 2, wherein a power conversion module and a communication module are provided between the first hard disk connector and the second hard disk connector.

4. The hard disk transfer PCB of claim 3, wherein the power conversion module comprises a 12V power conversion unit and a 3V power conversion unit.

5. The hard disk transfer PCB of any of claims 1-4, wherein a power-on indication component is connected to both the first hard disk connector and the second hard disk connector.

6. The hard disk transfer PCB of claim 5, wherein the power-on indicator component is an LED light source.

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