WO2018040309A1 - Power supply expansion card and computer case - Google Patents

Abstract

A power supply expansion card (100) and a computer case. The power supply expansion card (100) comprises a housing and a circuit board, the circuit board is arranged on the housing, and the housing is used for being mounted in the computer case; at least one peripheral interface is provided on the circuit board, at least one power source interface is further provided on the circuit board, and the power source interface is detachably connected to a power source in the computer case, so as to acquire power and output same via the peripheral interface. The power supply expansion card (100) and the computer case can use an expansion card as an expansion power source of the power source of the computer case, so as to supply power to an external device, thereby improving the usage performance of the expansion card.

Description

 Power supply expansion card and computer case

Technical field

The present invention relates to the field of computer hardware technologies, and in particular, to a power supply expansion card and a computer case.

Background technique

At present, an expansion slot is generally arranged in the computer case, and the graphics card and the network card are installed in the computer case through the expansion slot. The peripherals such as graphics cards and network cards that are installed in the computer chassis through expansion slots are usually called expansion cards. The existing expansion card includes a USB interface, an audio interface, etc., and is used as a data transmission, and cannot be used as a power supply device for powering peripherals plugged into the expansion card, and the use range is limited.

Summary of the invention

The main object of the present invention is to provide a power supply expansion card and a computer case, which are intended to provide a power supply expansion card, which can be used as an extended power source for a computer chassis power supply, and provides power for external devices, thereby improving the performance of the expansion card.

To achieve the above object, the power supply expansion card of the present invention comprises a housing and a circuit board, the circuit board is housed in the housing, the housing is for mounting in a computer case; There is at least one peripheral interface, and the circuit board is further provided with at least one power interface, and the power interface is detachably connected to a power source in the computer case to obtain power and output through the peripheral interface.

Preferably, the housing includes a card strip, the card strip being on the same side as the output end of the peripheral interface, and the peripheral interface extending outward in a direction perpendicular to the plane of the card strip.

Preferably, the card strip has at least one end provided with a mounting hole for facilitating the passage of the screw for fixing the expansion card to the computer case.

Preferably, the housing further includes a cover plate mounted on the circuit board by a fixing member.

Preferably, the upper surface of the cover plate is provided with a heat dissipation hole for dissipating heat of components on the circuit board.

Preferably, the expansion card is further provided with a reset switch, which is disposed on the circuit board and located adjacent to the peripheral interface and protrudes from the card plane.

Preferably, the power interface is a large 4PIN interface, and the large 4PIN interface is detachably connected to a power source in the computer chassis through a power line for the expansion card to obtain power.

Preferably, the peripheral interface is one or more of a DC interface, a TYPE-C interface, and a USB-A interface.

Preferably, the number of the peripheral interfaces is two, and the two peripheral interfaces are DC interfaces for respectively outputting different voltages.

The present invention also provides a computer case comprising the power supply expansion card of any of the above.

In the technical solution of the present invention, the expansion card includes a casing and a circuit board, the circuit board is disposed on the casing, the casing is used for being installed in a computer chassis, and the circuit board is provided with at least one The peripheral interface is further provided with at least one power interface, and the power interface is detachably connected to a power source in the computer chassis to obtain power and output through the peripheral interface. The technical solution provided by the invention can use the expansion card as an extended power source of the power supply of the computer chassis, and supplies power to the external device, thereby improving the performance of the expansion card.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without any creative work.

1 is a first schematic structural diagram of a power supply expansion card according to an embodiment of the present invention;

Figure 2 is a plan view of Figure 1;

Figure 3 is a front elevational view of Figure 2;

Figure 4 is a left side view of Figure 2;

Figure 5 is a right side view of Figure 2;

6 is a second schematic structural diagram of a power supply expansion card according to an embodiment of the present invention;

Figure 7 is a left side view of Figure 6.

Description of the reference numerals:

Label name Label name 100 Expansion Card 1 DC interface 2 Large 4PIN interface 5 Cover 6 Vents 7 Card strip 11 Mounting holes 9 Fastener 10 Reset switch 8 Connector 3 Type-C interface

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back, ...) in the embodiments of the present invention are only used to explain between components in a certain posture (as shown in the drawing). Relative positional relationship, motion situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions of "first", "second", and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "connected", "fixed" and the like should be understood broadly, unless otherwise clearly defined and limited. For example, "fixed" may be a fixed connection, or may be a detachable connection, or may be integrated; It may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship of two elements unless explicitly defined otherwise. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In addition, the technical solutions between the various embodiments of the present invention may be combined with each other, but must be based on the realization of those skilled in the art, and the combination of technical solutions should be considered when the combination of technical solutions is contradictory or impossible to implement. It does not exist and is not within the scope of protection required by the present invention.

The invention proposes a power supply expansion card.

1 to 7, the present invention provides a power supply expansion card including a housing (not shown) and a circuit board (not shown), the circuit board being housed in the housing, the housing For mounting in a computer case; the circuit board is provided with at least one peripheral interface (not labeled), and the circuit board is further provided with at least one power interface (not labeled), the power interface is detachably Power supplies in the computer chassis are connected to obtain power and output through the peripheral interface.

The expansion card 100 in this embodiment is connected to the power supply in the computer chassis through the power interface thereon, obtains power from the chassis power supply, and is connected to the external device through the peripheral interface on the expansion card 100 to supply power to the external device. As an electric power supply device, the expansion card 100 of the embodiment can directly output power of the power source in the computer case to the external device, and supply power to the external device, which is equivalent to expanding the external power supply to the computer case, thereby increasing the expansion card. The use performance is more convenient to use.

Further, the housing in this embodiment further includes a card strip 7 on the same side of the peripheral interface, and the direction in which the peripheral interface extends outward is perpendicular to the strip 7 flat. Specifically, the direction in which the external device is inserted into the peripheral interface is perpendicular to the plane of the card strip 7 and is connected to the peripheral interface through the card strip 7. Preferably, at least one end of the card strip is provided with a mounting hole 11 for facilitating the passage of a screw for fixing the expansion card 100 to the computer case.

Preferably, one side of the circuit board is provided with a connector 8 through which the expansion card 100 is inserted into an expansion slot of a main board in a computer case. That is, the expansion card 100 can be directly inserted into the PCI and PCEI expansion slots of the computer motherboard like other computer hardware such as a video card or a sound card. The connector 8 of the embodiment mainly functions to further fix the expansion card.

Specifically, the expansion card 100 is first installed by inserting the connector 8 into the expansion slot on the main board, and fixing the expansion card 100 through the buckle 7 on the expansion slot, and then passing the card through the screw on the chassis. The mounting holes on the strips 7 pin the expansion card 100 to the chassis, making the expansion card 100 more securely mounted within the chassis.

Further, the expansion card 100 further includes a cover 5 which is mounted on the circuit board by the fixing member 9. It can be understood that the cover plate 5 is mainly a barrier for protecting components on the circuit board. Preferably, the cover plate is provided with a heat dissipation hole 6 for dissipating heat from components on the circuit board. The heat dissipation holes 6 are designed according to requirements, and some heat dissipation holes 6 may be designed around the cover plate to dissipate heat in time on the circuit board.

Further, the circuit board includes an overload protection module (not shown).

By setting an overload protection module on the circuit board, the safety of the device to be charged during charging can be improved.

Further, the circuit board further includes a short circuit protection module (not shown).

By providing a short circuit protection module on the circuit board, the safety of the device to be charged during charging can be further improved.

Further, there are multiple peripheral interfaces, which can be used as charging interfaces. Preferably, the peripheral interface may be a DC interface 1 and/or a TYPE-C interface 3 and/or a USB-A interface. The expansion card 100 supports multiple charging protocols as multiple interfaces of the charging interface. For example, when the interface is a TYPE-C interface, the TYPE-C interface supports the PD power supply protocol. Specifically, the charging protocol is based on charging requirements that can satisfy various interfaces.

Preferably, two peripheral interfaces are provided in this embodiment, and both of the peripheral interfaces are DC interface 1, and the two DC interfaces 1 output different voltages. They are a DC interface 1 that can output 5V and a DC interface 1 that can output 12V.

It should be noted that, referring to FIG. 6 and FIG. 7, the DC-DC interface 1 is changed to the TYPE-C interface 3. When the peripheral interface is the TYPE-C interface 3, the power supply expansion card of the Type-C interface converts the power of the desktop computer into a DC power supply for charging the handheld device, thereby improving the convenience and safety of the user's charging. . At the same time, when the peripheral interface is TYPE-C interface 3, the PD power supply protocol extended based on the TYPE-C interface can be added, thereby realizing stronger power supply capability, accelerating charging of the handheld device, and improving the use of the power supply expansion card. performance.

Further, the expansion card is provided with a large 4PIN interface 2, and the large 4PIN interface 2 is detachably connected to the large 4PIN interface of the chassis power supply through the power cable, so that the expansion card 100 can obtain power from the chassis power supply. Specifically, the power interface in this embodiment is a large 4PIN interface 2, and different voltages are obtained by connecting different sockets of the large 4PIN interface 2 through the power line. Preferably, the number of the large 4PIN interfaces 2 can be selected as needed. It should be noted that the power interface on the expansion card 100 can also be a 15PIN interface, and the 15PIN interface is detachably connected to the 15PIN interface of the chassis power supply through the power cable to obtain power from the chassis power supply, thereby obtaining different output voltages. . In actual applications, the types of power interfaces can be selected according to actual needs.

Further, the expansion card is further provided with a reset switch 10, which is disposed on the circuit board and located adjacent to the peripheral interface and protrudes from the plane of the card strip 7. It can be understood that the reset switch 10 is mainly used to implement an open state at the peripheral interface, so that the user can control the connection and disconnection of the external device and the computer case by controlling the reset switch 10. Preferably, an indicator light is further disposed on the expansion card 100, and the indicator light is disposed in the vicinity of the reset switch for displaying an opening and closing state of the reset switch 10, so that the user is more intuitive to display through the indicator light. Know the working state of the reset switch 10.

The present invention also provides a computer case comprising the power supply expansion card of any of the above. The computer case in this embodiment adopts the above-mentioned expansion card, and uses the expansion card 100 as an expansion power source of the computer chassis power supply, and supplies power to the external device, thereby expanding the use function of the computer case. Other configurations and operations of computer cases in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein. Specifically, since all the technical solutions of all the foregoing embodiments are adopted in the computer chassis, at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are not repeatedly described herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural transformation, or direct/indirect use, of the present invention and the contents of the drawings are used in the inventive concept of the present invention. It is included in the scope of the patent protection of the present invention in other related technical fields.

Claims (20)

An electric power supply expansion card, comprising: a casing and a circuit board, wherein the circuit board is housed in the casing, the casing is used for being installed in a computer case; and the circuit board is provided with at least A peripheral interface, the circuit board is further provided with at least one power interface, the power interface is detachably connected to a power source in the computer chassis to obtain power and output through the peripheral interface. A power supply expansion card according to claim 1, wherein said housing includes a card strip, said card strip being on the same side as an output end of said peripheral interface, and said peripheral interface extending outward The direction is perpendicular to the plane of the card strip. The power supply expansion card according to claim 2, wherein at least one end of the card strip is provided with a mounting hole for facilitating the passage of a screw for fixing the expansion card to the computer case. A power supply expansion card according to claim 1, wherein said housing further comprises a cover plate mounted to the circuit board by a fixing member. The power supply expansion card according to claim 4, wherein the upper surface of the cover plate is provided with a heat dissipation hole for dissipating heat of components on the circuit board. The power supply expansion card according to claim 1, wherein the expansion card is further provided with a reset switch, the reset switch is disposed on the circuit board, and is located adjacent to the peripheral interface and protrudes from Card strip plane. The power supply expansion card according to claim 1, wherein the power interface is a large 4PIN interface, and the large 4PIN interface is detachably connected to a power supply in the computer chassis through a power cable for the expansion card to acquire. electric power. The power supply expansion card according to claim 1, wherein the peripheral interface is one or more of a DC interface, a TYPE-C interface, and a USB-A interface. The power supply expansion card of claim 8 wherein said TYPE-C interface supports a PD power supply protocol. The power supply expansion card according to claim 8, wherein the number of the peripheral interfaces is two, and the two peripheral interfaces are DC interfaces for respectively outputting different voltages. A computer case characterized by comprising the power supply expansion card of claim 1. A computer case characterized by comprising the power supply expansion card of claim 2. A computer case characterized by comprising the power supply expansion card of claim 3. A computer case characterized by comprising the power supply expansion card of claim 4. A computer case characterized by comprising the power supply expansion card of claim 5. A computer case characterized by comprising the power supply expansion card of claim 6. A computer case characterized by comprising the power supply expansion card of claim 7. A computer case characterized by comprising the power supply expansion card of claim 8. A computer case characterized by comprising the power supply expansion card of claim 9. A computer case characterized by comprising the power supply expansion card of claim 10.