Desktop connecting structure and desktop

Abstract

This application provides a desktop computer connection structure and a desktop computer. The desktop computer connection structure includes a motherboard 10, a front panel 20, and a power module 30. A first FFC connector 11 on the motherboard 10 and a second FFC connector 21 on the front panel 20 are connected by an FFC cable 40. The power module 30 includes a first power connector 31. The motherboard 10 also includes a second power connector 12 and a third power connector 13. The first power connector 31 and the second power connector 12 are connected by a power cord. The third power connector 13 and the second power connector 12 are connected by copper foil on the motherboard. The third power connector 13 is used to connect to external devices. The power module 30 provides power to external devices via the first power connector 31, the second power connector 12, and the third power connector 13. This application embodiment can reduce the number of cables inside the chassis, avoid messy wiring problems, reduce the internal resistance of the power cables, avoid significant voltage drops, and achieve stable power supply to external devices.

Description

Technical Field

[0001] This application relates to the field of desktop computers, and in particular to a desktop computer connection structure and a desktop computer. Background Technology

[0002] Desktop computers typically consist of a chassis, a motherboard, and a front panel housed within the chassis. In traditional desktop computer designs, the motherboard and front panel are usually connected via various independent cables for electrical signals. Common connection methods involve using separate cables such as USB 3.0 cables, USB 2.0 cables, audio cables, +5V power cables, and power button cables to connect each interface on the motherboard to its corresponding interface on the front panel.

[0003] However, the above design requires a large variety and quantity of cables, resulting in messy internal wiring. This not only affects heat dissipation and assembly space utilization but also increases assembly complexity and labor costs. Furthermore, each cable must be fitted with a corresponding connector on the motherboard and front panel, increasing component costs. The cables are typically quite long, generating significant internal resistance during power transmission. This is particularly problematic when powering the front panel USB ports, potentially causing a noticeable voltage drop in the +5V supply and affecting the stable power supply performance of the USB ports. Utility Model Content

[0004] To overcome the problems existing in the related technologies, this application provides a desktop computer connection structure and a desktop computer, which can reduce the number of cables in the chassis, avoid messy wiring problems caused by multiple cables crossing and knotting, and also reduce the internal resistance of the power cables, avoid significant voltage drop during power supply, and achieve stable power supply.

[0005] According to a first aspect of the embodiments of this application, a desktop computer connection structure is provided, including a motherboard 10, a front panel 20, and a power module 30;

[0006] The motherboard 10 is provided with a first FFC connector 11; the front panel 20 is provided with a second FFC connector 21; the first FFC connector 11 and the second FFC connector 21 are connected by an FFC cable 40;

[0007] The power module 30 includes a first power connector 31; the motherboard 10 is also provided with a second power connector 12 and a third power connector 13; the first power connector 31 and the second power connector 12 are connected by a power cable 50; the third power connector 13 and the second power connector 12 are connected by copper foil on the motherboard; the third power connector 13 is used to connect to an external device; the power module 30 provides power supply voltage to the external device via the first power connector 31, the second power connector 12 and the third power connector 13.

[0008] Compared to the traditional connection method using multiple individual cables, this embodiment of the application sets a first FFC connector 11 on the motherboard 10 and a second FFC connector 21 on the front panel 20. The first FFC connector 11 and the second FFC connector 21 are connected by an FFC cable 40, which can reduce the number of cables in the chassis and avoid messy wiring problems caused by multiple cables crossing and knotting. Based on the FFC cable connection method, the cable length between the interfaces in the motherboard 10 and the front panel 20 can be shortened, thereby reducing the internal resistance of the cables, preventing significant voltage drop, and achieving stable power supply to some ports on the front panel 20, such as USB ports. Furthermore, compared to the traditional method where the power module 30 is connected to external devices via a common power cord, this application provides a first power connector 31 on the power module 30, and a second power connector 12 and a third power connector 13 on the motherboard 10; the first power connector 31 and the second power connector 12 are connected via a power cord; and the third power connector 13 and the second power connector 12 are connected via copper foil on the motherboard. This method allows the power module 30 to supply power to external devices via the first power connector 31, the second power connector 12, and the third power connector 13, which can greatly reduce the internal resistance of the power cord, avoid significant voltage drops during the power supply process, and achieve stable power supply to external devices.

[0009] In one embodiment, the external device includes a first external device and a second external device; the motherboard 10 is also provided with a voltage conversion module 14; the voltage conversion module 14 includes a voltage input terminal 41 and a voltage output terminal 42; the voltage input terminal 41 is connected to the second power connector 12; the voltage output terminal 42 is connected to the third power connector 13;

[0010] The power module 30 provides power supply voltage to the first external device via the first power connector 31, the second power connector 12 and the third power connector 13;

[0011] The voltage conversion module 14 is used to convert the power supply voltage provided by the power module 30 into a target voltage, and to provide the target voltage to the second external device via the voltage output terminal 42 and the third power connector 13.

[0012] This application embodiment sets up a voltage conversion module 14 on the motherboard 10, and converts the power supply voltage provided by the power module 30 into the target voltage in a secondary manner, so that the motherboard 10, the first external device and the second external device respectively obtain matching voltage, thereby improving the desktop computer's compatibility with power modules of various specifications and peripherals of various specifications.

[0013] In one embodiment, the voltage input terminal 41 is connected to the second power connector 12 via a motherboard copper foil; the voltage output terminal 42 is connected to the third power connector 13 via a motherboard copper foil.

[0014] Compared to wire harnesses or jumper connections, this embodiment uses motherboard copper foil connections between the voltage input terminal 41 and the second power connector, and between the voltage output terminal 42 and the third power connector 13. This reduces the number of wires and the contact resistance of connectors, thereby reducing assembly complexity and cost.

[0015] In one embodiment, the motherboard 10 further includes a main control chip; the second FFC connector 21 includes a first detection point and a second detection point; the first detection point and the second detection point are respectively grounded; the first FFC connector 11 includes a third detection point and a fourth detection point; the third detection point and the fourth detection point are respectively used to connect to the first detection point and the second detection point through the FFC cable 40; the third detection point and the fourth detection point are respectively connected to a reference power supply through at least one detection resistor, and the third detection point and the fourth detection point are also respectively connected to two input pins of the main control chip.

[0016] This embodiment of the application establishes two independent detection loops by setting grounded first and second detection points on the second FFC connector 21, and third and fourth detection points on the first FFC connector 11, which are pulled up to the power supply via a detection resistor and connected to the input terminal of the main control chip. When the FFC cable is correctly connected to the first FFC connector 11 and / or the second FFC connector 21, the potential of the third and / or fourth detection points is pulled down to a low level; when the FFC cable is not correctly connected to the first FFC connector 11 and / or the second FFC connector 21, the potential of the third and / or fourth detection points remains at a high level. This allows for quick and reliable determination of whether the FFC cable is correctly connected to the first FFC connector 11 and the second FFC connector 21, and also allows for quick location of which end is faulty when an abnormal connection occurs.

[0017] In one embodiment, the first detection point and the second detection point are two pins located on the edge of the second FFC connector 21, and the third detection point and the fourth detection point are two pins located on the edge of the first FFC connector 11.

[0018] In this embodiment, two pins located on the edge of the first FFC connector 11 are used as the first and second detection points, and two pins located on the edge of the second FFC connector 21 are used as the third and fourth detection points. This allows the abnormal signal to be detected quickly and accurately even when one end of the FFC cable 40 has poor contact.

[0019] In one embodiment, the first detection point and the second detection point are two metal positioning posts of the second FFC connector 21; the third detection point and the fourth detection point are two metal positioning posts of the first FFC connector 11; the third detection point is connected to the first detection point through the shielding layer of the FFC cable 40, and the fourth detection point is connected to the second detection point through the shielding layer of the FFC cable 40.

[0020] This embodiment utilizes metal positioning posts and a shielding layer to form a detection loop, thereby not occupying the pins of the first FFC connector 11 and the second FFC connector 21, saving the number of pins, avoiding crosstalk and impedance discontinuity problems caused by pin connections. Moreover, the metal positioning posts are usually located at the end of the FFC connector and have a large contact surface, which can reflect problems such as abnormal insertion as early as possible. When an abnormal insertion occurs, the two metal positioning posts can quickly locate which end is abnormal.

[0021] In one embodiment, the first FFC connector 11 is mounted on the motherboard 10 via a surface mount; and / or, the second FFC connector 21 is mounted on the front panel 20 via a surface mount.

[0022] The surface mount method of this application does not require through-hole soldering, making installation convenient. Moreover, the FFC cable 40 can be plugged into and unplugged from the first FFC connector 11 and the second FFC connector 21. When the FFC cable 40 is damaged, it can be directly unplugged from the first FFC connector 11 and the second FFC connector 21, making it quick and convenient to replace the FFC cable 40. Furthermore, it does not require touching the motherboard 10 and / or the front panel 20, thus avoiding damage to the motherboard 10 and / or the front panel 20.

[0023] In one embodiment, the front panel 20 is further provided with a USB interface expansion module 22; the USB interface expansion module 22 includes a first set of ports 221 and a second set of ports 222; the first set of ports 221 is connected to the second FFC connector 21, and the second set of ports 222 is used to provide a plurality of USB interfaces.

[0024] This application embodiment provides a USB interface expansion module 22 on the front panel 20, which can expand several USB interfaces on the front panel 20, making it convenient for users to connect several USB peripherals on the front panel 20. The several USB peripherals can then interact with the motherboard 10 via USB signals through the USB interface expansion module 22, the second FFC connector 21, the FFC cable 40, and the first FFC connector 11.

[0025] In one embodiment, the USB interface expansion module 22 further includes a third group of ports 223; the front panel 20 is also provided with a Type-C interface expansion module 23; the Type-C interface expansion module 23 includes a fourth group of ports 231 and a fifth group of ports 232; the fourth group of ports 231 is connected to the third group of ports; the fifth group of ports 223 is used to provide several Type-C interfaces.

[0026] This application embodiment provides a Type-C interface expansion module 22 on the front panel 20, which can expand several Type-C interfaces on the front panel 20. This allows users to connect several Type-C peripherals to the front panel 20, enabling these peripherals to interact with the motherboard 10 via Type-C signals through the Type-C interface expansion module 22, the second FFC connector 21, the FFC cable 40, and the first FFC connector 11.

[0027] This application also provides a desktop computer, including a chassis and any of the desktop computer connection structures described above; the desktop computer connection structure is disposed inside the chassis.

[0028] Compared to the traditional connection method using multiple individual cables, the desktop computer in this embodiment of the application has a first FFC connector 11 on the motherboard 10 and a second FFC connector 21 on the front panel 20. The first FFC connector 11 and the second FFC connector 21 are connected by an FFC cable 40, which can reduce the number of cables in the chassis and avoid messy wiring problems caused by multiple cables crossing and knotting. Based on the FFC cable connection method, the cable length between the interfaces in the motherboard 10 and the front panel 20 can be shortened, thereby reducing the internal resistance of the cable, preventing significant voltage drop, and achieving stable power supply to some ports on the front panel 20, such as USB ports. Furthermore, compared to the traditional method where the power module 30 is connected to external devices via a common power cord, this application provides a first power connector 31 on the power module 30, and a second power connector 12 and a third power connector 13 on the motherboard 10; the first power connector 31 and the second power connector 12 are connected via a power cord; and the third power connector 13 and the second power connector 12 are connected via copper foil on the motherboard. This method allows the power module 30 to supply power to external devices via the first power connector 31, the second power connector 12, and the third power connector 13, which can greatly reduce the internal resistance of the power cord, avoid significant voltage drops during the power supply process, and achieve stable power supply to external devices.

[0029] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application.

[0030] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a schematic block diagram illustrating a desktop computer connection structure according to one embodiment of this application;

[0033] Figure 2 This is a schematic block diagram illustrating a desktop computer connection structure according to another embodiment of this application;

[0034] Figure 3 This is a schematic block diagram illustrating a desktop computer connection structure according to yet another embodiment of this application;

[0035] Figure 4This is a schematic block diagram illustrating a desktop computer connection structure in another embodiment of this application. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings. Wherein, when the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0037] It should be understood that the embodiments described below do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0038] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms "a" and "the" as used herein are also intended to include the plural forms unless the context clearly indicates otherwise. Furthermore, in the description of this application, unless otherwise stated, "a plurality of" means two or more. It should also be understood that the term "and / or" as used herein refers to and includes any or all possible combinations of one or more associated listed items, for example, A and / or B, which can represent: A alone, A and B together, and B alone; the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0039] It should be understood that although the terms first, second, third, etc., may be used in this application to describe various information, this information should not be limited to these terms, and these terms are only used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. Depending on the context, the word "if" as used in this application can be interpreted as "when," "when," or "in response to determination."

[0040] Desktop computers typically consist of a chassis, a motherboard, and a front panel housed within the chassis. In traditional desktop computer designs, the motherboard and front panel are usually connected via various independent cables for electrical signals. Common connection methods involve using separate cables such as USB 3.0 cables, USB 2.0 cables, audio cables, +5V power cables, and power button cables to connect each interface on the motherboard to its corresponding interface on the front panel.

[0041] However, the above design requires a large variety and quantity of cables, resulting in messy internal wiring. This not only affects heat dissipation and assembly space utilization but also increases assembly complexity and labor costs. Furthermore, each cable must be fitted with a corresponding connector on the motherboard and front panel, increasing component costs. The cables are typically quite long, generating significant internal resistance during power transmission. This is particularly problematic when powering the front panel USB ports, potentially causing a noticeable voltage drop in the +5V supply and affecting the stable power supply performance of the USB ports.

[0042] In addition, in the traditional desktop computer design, the power module inside the chassis is connected to external devices via power cables to supply power to the external devices. However, the power cables connecting the power module to the external devices are usually quite long and the wiring is quite messy. They also generate a large internal resistance when transmitting power, and the power supply voltage drops significantly, affecting the stable power supply performance of the external devices.

[0043] This embodiment connects the motherboard and front panel using a single FFC cable, reducing the number of cables inside the chassis and avoiding messy wiring caused by multiple cables crossing or knotting. Furthermore, the FFC cable connection shortens the cable length connecting various interfaces on the motherboard and front panel, thereby reducing cable resistance, preventing significant voltage drops, and ensuring stable power supply to ports on the front panel, such as USB ports. In addition, this embodiment uses the motherboard as a power transmission bridge, passing the power supply voltage from the power module through the motherboard's copper foil to external devices, further reducing internal resistance and preventing significant voltage drops during power supply, thus ensuring stable power supply to external devices.

[0044] The following will be combined with the appendix Figures 1 to 4 This application provides a detailed description of the desktop computer connection structure provided in the embodiments.

[0045] Please see Figure 1 This application provides a desktop computer connection structure, including a motherboard 10, a front panel 20, and a power module 30.

[0046] The motherboard 10 is provided with a first FFC (Flexible Flat Cable) connector 11; the front panel 20 is provided with a second FFC connector 21; the first FFC connector 11 and the second FFC connector 21 are connected by an FFC ribbon cable 40.

[0047] The power module 30 includes a first power connector 31; the motherboard 10 is also provided with a second power connector 12 and a third power connector 13; the first power connector 31 and the second power connector 12 are connected by a power cable 50; the third power connector 13 and the second power connector 12 are connected by copper foil on the motherboard; the third power connector 13 is used to connect to external devices; the power module 30 provides power supply voltage to external devices via the first power connector 31, the second power connector 12 and the third power connector 12.

[0048] Understandably, a desktop computer is a personal computer that is fixed to a desktop and is larger in size than a laptop, making it inconvenient to carry around. A desktop computer typically consists of a case, monitor, keyboard, mouse, etc.

[0049] The motherboard 10 is the core circuit board of the desktop computer. It is located inside the desktop computer's chassis and typically houses components such as the main control chip, memory, hard drive, and audio chip. The front panel 20 is located at the front of the desktop computer chassis. It includes USB ports, headphone output jacks, microphone input jacks, a power button, and indicator lights. The front panel 20 allows users to easily interact with and connect to the motherboard from the front of the chassis without opening it.

[0050] The FFC cable 40 is a thin, wide plastic strip with multiple parallel metal wires. This allows a single FFC cable 40 to transmit multiple signals between the motherboard 10 and the front panel 20, including USB 3.0 signals, USB 2.0 signals, +5V power signals, audio signals, microphone signals, power button signals, and indicator light signals. This replaces the traditional method of using multiple separate cables, reducing the number of cables inside the chassis and avoiding messy wiring problems caused by multiple cables crossing or knotting.

[0051] The first FFC connector 11 and the second FFC connector 21 provide a secure connection point for both ends of the FFC cable 40, allowing the metal contacts of the FFC cable 40 to reliably connect to the wires on the motherboard 10 and the front panel 20, respectively, thereby enabling the exchange of data and control signals between the motherboard 10 and the front panel 20. It is understandable that, to adapt to the connection method of the FFC cable 40, the motherboard 10 and the front panel 20 will respectively modify the position and / or routing of various interfaces such as the original USB 3.0 signal interface, USB 2.0 signal interface, +5V power supply interface, and audio input / output signal interface, integrating these interfaces into the first FFC connector 11 and the second FFC connector 21 to minimize the distance between them. This allows multiple signals to be transmitted between the motherboard 10 and the front panel 20 by connecting the first FFC connector 11 and the second FFC connector 21 with the shortest possible FFC cable 40.

[0052] The power module 30 converts AC power supplied by an external power source into DC power, which is then used as the power supply voltage to supply external devices via the first power connector 31, the second power connector 12, and the third power connector 13. It is understood that the power module 30 can also supply DC power to the motherboard 10 via the first power connector 31 and the second power connector 12. In addition to using the power supply voltage for its own operation, the motherboard 10 also supplies the power supply voltage to various ports of the front panel 20 via the FFC cable 40. The AC power supplied by the external power source can be, for example, the commonly used 220V AC power, and this application does not impose any restrictions. The external devices can be, for example, optical drives and / or hard disk drives, and this application does not impose any restrictions.

[0053] Understandably, the second power connector 12 and the third power connector 13 are connected by the copper foil of the motherboard. On the one hand, compared with ordinary power cables, the copper foil of the motherboard 10, as a power distribution trunk line, has an equivalent resistance that is much lower than that of ordinary power cables of the same length. On the other hand, compared with the power module 30, the physical distance between the motherboard 10 and the external device is closer. Therefore, the internal resistance of the power cable can be reduced, and a stable power supply to the external device can be achieved.

[0054] Compared to the traditional connection method using multiple individual cables, this embodiment of the application sets a first FFC connector 11 on the motherboard 10 and a second FFC connector 21 on the front panel 20. The first FFC connector 11 and the second FFC connector 21 are connected by an FFC cable 40, which can reduce the number of cables in the chassis and avoid messy wiring problems caused by multiple cables crossing and knotting. Based on the FFC cable connection method, the cable length between the interfaces in the motherboard 10 and the front panel 20 can be shortened, thereby reducing the internal resistance of the cables, preventing significant voltage drop, and achieving stable power supply to some ports on the front panel 20, such as USB ports. Furthermore, compared to the traditional method where the power module 30 is connected to external devices via a common power cord, this application provides a first power connector 31 on the power module 30, and a second power connector 12 and a third power connector 13 on the motherboard 10; the first power connector 31 and the second power connector 12 are connected via a power cord; and the third power connector 13 and the second power connector 12 are connected via copper foil on the motherboard. This method allows the power module 30 to supply power to external devices via the first power connector 31, the second power connector 12, and the third power connector 13, which can greatly reduce the internal resistance of the power cord, avoid significant voltage drops during the power supply process, and achieve stable power supply to external devices.

[0055] The external devices include at least a first external device and a second external device; the first external device and the second external device require different power supply voltages, for example, the first external device requires a power supply voltage of 12V and the second external device requires a power supply voltage of 5V.

[0056] In one embodiment, when the power module 30 is an ATX (Advanced Technology Extended) module, the power module 30 can convert AC power from an external power source into 12V and 5V DC power. In this case, both 12V and 5V DC power are used as the power supply voltage for the power module 30, transmitted to the motherboard 10 through the first power connector 31 and the second power connector 12. The motherboard 10 uses the 5V DC power as its own system power supply. Simultaneously, the 12V and 5V DC power are supplied to the adapted first and second external devices respectively through the first power connector 31, the second power connector 12, and the third power connector 13. It is understood that in this case, the first power connector 31, the second power connector 12, and the third power connector 13 are all multi-pin DC connectors, with pin assignments including a first power pin group for transmitting 12V, a second power pin group for transmitting 5V, and multiple ground pins, so that 12V and 5V DC power can be transmitted simultaneously through the first power connector 31, the second power connector 12, and the third power connector 13.

[0057] In another embodiment, when the power module 30 is an ATX module, although the power module 30 can convert the AC power from the external power supply to 12V and 5V DC power, considering that the 5V provided by the power module 30 usually shares a return path with the 12V, it is easy to directly introduce the switching noise of the power module 30 and the power line into the motherboard. In addition, the current specification of the 5V of the power module 30 may be limited, while the peak demand of multiple subsystems inside the motherboard exceeds the specification. Therefore, in order to obtain a stable and required 5V DC power, the power module 30 only uses 12V DC power as the supply voltage, and a voltage conversion module 14 is set on the motherboard 10 to perform voltage conversion. Specifically, the voltage conversion module 14 includes a voltage input terminal 141 and a voltage output terminal 142; the voltage input terminal 141 is connected to the second power connector 12; the voltage output terminal 142 is connected to the third power connector 13; the power module 30 provides a 12V supply voltage to the adapted first external device via the first power connector 31, the second power connector 12, and the third power connector 13, and simultaneously transmits the 12V supply voltage to the voltage conversion module 14 via the first power connector 31, the second power connector 12, and the voltage input terminal 141. The voltage conversion module 14 converts the 12V supply voltage provided by the power module 30 into a target voltage, such as a 5V DC voltage, and provides the 5V DC voltage to the motherboard 10 for power supply. Moreover, the 5V DC voltage is supplied to the second external device via the voltage output terminal 142 and the third power connector 13.

[0058] Please see Figure 2In another embodiment, when the power module 30 is a TFX (Thin Form Factor Extended) module, the power module 30 can only convert external AC power to 12V DC power. Therefore, the power module 30 uses 12V DC power as the supply voltage, and a voltage conversion module 14 is set on the motherboard 10 to perform voltage conversion. Specifically, the voltage conversion module 14 includes a voltage input terminal 141 and a voltage output terminal 142; the voltage input terminal 141 is connected to the second power connector 12; the voltage output terminal 142 is connected to the third power connector 13; the power module 30 provides 12V DC power to the adapted first external device via the first power connector 31, the second power connector 12, and the third power connector 13, and simultaneously transmits 12V DC power to the voltage conversion module 14 via the first power connector 31, the second power connector 12, and the voltage input terminal 141. The voltage conversion module 14 converts the supply voltage provided by the power module 30 into a target voltage, such as 5V DC voltage, and provides the 5V DC voltage to the motherboard 10 system for power supply. Moreover, the 5V DC voltage is supplied to the second external device via the voltage output terminal 142 and the third power connector 13.

[0059] This application embodiment sets up a voltage conversion module 14 on the motherboard 10, and converts the power supply voltage provided by the power module 30 into the target voltage in a secondary manner, so that the motherboard 10, the first external device and the second external device respectively obtain matching voltage, thereby improving the desktop computer's compatibility with power modules of various specifications and peripherals of various specifications.

[0060] In one embodiment, the voltage input terminal 141 of the voltage conversion module 14 is connected to the second power connector 12 via a motherboard copper foil; the voltage output terminal 142 is connected to the third power connector 13 via a motherboard copper foil. Compared to wiring harnesses or jumper connections, this embodiment uses motherboard copper foil connections between the voltage input terminal 41 and the second power connector, and between the voltage output terminal 42 and the third power connector 13, which reduces the number of wires and connector contact resistance, and lowers assembly complexity and cost.

[0061] The voltage conversion module 14 can be a voltage conversion chip, such as a voltage conversion chip with model number LMR33630 or MP1584, etc. This application does not limit it. The voltage conversion module 14 can also be a voltage conversion circuit, which can include a circuit composed of a controller, a power inductor, an input / output capacitor and feedback and compensation devices, and this application does not limit it.

[0062] In one embodiment, to achieve automatic detection and automatic voltage conversion of the power supply voltage to the power module 30, a detection module and a switching module are set up for detection and conversion. Specifically, the second power connector 12 includes a first power pin group for transmitting 12V, a second power pin group for transmitting 5V, and multiple ground pins; the motherboard 10 is provided with a detection module and a switching module, the input end of the detection module is connected to the second power pin group, and the output end of the detection module is connected to the driving end of the switching module; the fixed end of the switching module is connected to the third power connector 13; the first switching end of the switching module is connected to the second power pin group; and the second switching end of the switching module is connected to the voltage output end 142 of the voltage conversion module 14. When the input terminal of the detection module detects a 5V DC input at the second power connector 12, the fixed terminal is connected to the first switching terminal via the switching module, so that the 5V DC input from the power module 30 via the first power connector 31 and the second power connector 12 is supplied to the second external device through the third power connector 13; when the input terminal of the detection module does not detect a 5V DC input at the second power connector 12, the fixed terminal is connected to the second switching terminal via the switching module, so that the 12V DC input from the power module 30 via the first power connector 31 and the second power connector 12 is converted to 5V DC by the voltage conversion module 14, and then supplied to the second external device through the third power connector 13.

[0063] In one embodiment, the first FFC connector 11 is mounted on the motherboard 10 via a surface mount method; and / or, the second FFC connector 21 is mounted on the front panel 20 via a surface mount method. In conventional methods, multiple independent wires need to be through-hole soldered to the pads or vias of the motherboard 10 and / or the front panel 20. When the wires are damaged or loose, the conventional method requires desoldering and resoldering, which can easily damage the pads or vias of the motherboard 10 and / or the front panel 20. The surface mount method of this application eliminates the need for through-hole soldering, making installation convenient. Furthermore, the FFC cable 40 can be plugged into and unplugged from the first FFC connector 11 and the second FFC connector 21. When the FFC cable 40 is damaged, it can be directly unplugged from the first FFC connector 11 and the second FFC connector 21, allowing for quick and convenient replacement of the FFC cable 40 without altering the motherboard 10 and / or the front panel 20, thus avoiding damage to the motherboard 10 and / or the front panel 20.

[0064] In one embodiment, the motherboard 10 further includes a main control chip; the second FFC connector 21 includes a first detection point and a second detection point; the first and second detection points are respectively grounded. The first FFC connector 11 includes a third detection point and a fourth detection point; the third and fourth detection points are respectively used to connect to the first and second detection points via FFC cables 40; the third and fourth detection points are respectively connected to a reference power supply via at least one detection resistor, and the third and fourth detection points are also respectively connected to two input pins of the main control chip. The reference power supply is the power provided by the motherboard 10, specifically the power supply voltage provided by the power module 30 to the motherboard 10 via the first power connector 31 and the second power connector 12, and the motherboard 10 then provides the reference power supply for connection to the third and fourth detection points.

[0065] After power-on, the main control chip determines whether the FFC cable 40 is correctly connected by checking the potential of its two input pins. Specifically, when the FFC cable 40 is correctly connected to the first FFC connector 11 and the second FFC connector 21, the potentials of the two input pins of the main control chip are pulled down to ground potential 0V through the third and fourth detection points on the first FFC connector 11 and the first and second detection points on the second FFC connector 21, respectively. The main control chip can thus determine that the FFC cable 40 is correctly connected and perform corresponding actions, such as displaying a prompt that the FFC cable 40 is correctly connected and performing subsequent signal transmission. When the FFC cable 40 is not properly connected to the first FFC connector 11 and / or the second FFC connector 21, the FFC cable 40 does not make contact with the third detection point on the first FFC connector 11, the fourth detection point on the first FFC connector 11, the first detection point and / or the second detection point on the second FFC connector 21, and the grounding circuit is not connected. The potential of the two input pins or one of the input pins of the main control chip is pulled high through the detection resistor. The main control chip can thus determine that the FFC cable 40 is not properly connected and perform the corresponding action, such as displaying a prompt that the FFC cable 40 is not properly connected to the first FFC connector 11 and / or the second FFC connector 21.

[0066] This embodiment of the application sets grounded first and second detection points on the second FFC connector 21, and sets third and fourth detection points on the first FFC connector 11, which are pulled up to the power supply and connected to the input terminal of the main control chip, forming two independent detection loops. When the FFC cable is correctly connected to the first FFC connector 11 and / or the second FFC connector 21, the potential of the third and / or fourth detection points is pulled down to a low level; when the FFC cable is not correctly connected to the first FFC connector 11 and / or the second FFC connector 21, the potential of the third and / or fourth detection points remains at a high level. This allows for quick and reliable determination of whether the FFC cable is correctly connected to the first FFC connector 11 and the second FFC connector 21, and also allows for quick location of which end is faulty when an abnormal connection occurs.

[0067] In one embodiment, the first and second detection points are two pins located on the edge of the second FFC connector 21, and the third and fourth detection points are two pins located on the edge of the first FFC connector 11. Considering that when the FFC cable 40 is inserted into the first FFC connector 11 and the second FFC connector 21, the edge contact points are often the first to lose contact due to lateral insertion or misalignment of the FFC cable 40. Therefore, by using the two pins located on the edge of the first FFC connector 11 as the first and second detection points, and the two pins located on the edge of the second FFC connector 21 as the third and fourth detection points, abnormal signals can still be detected quickly and accurately when one end of the FFC cable 40 has poor contact.

[0068] In another embodiment, the first and second detection points are two metal positioning posts of the second FFC connector 21; the third and fourth detection points are two metal positioning posts of the first FFC connector 11; the third detection point is connected to the first detection point through the shielding layer of the FFC cable 40, and the fourth detection point is connected to the second detection point through the shielding layer of the FFC cable 40. This embodiment utilizes the metal positioning posts and the shielding layer to form a detection loop, thereby avoiding the use of pins in the first and second FFC connectors 11 and 21, saving pin count, and avoiding crosstalk and impedance discontinuity issues caused by pin connections. Furthermore, the metal positioning posts are typically located at the ends of the FFC connectors and have a large contact surface, enabling them to reflect insertion abnormalities earliest. In the event of an insertion abnormality, the two metal positioning posts can quickly pinpoint which end is malfunctioning.

[0069] Please see Figure 3In one embodiment, the front panel 20 is further provided with a USB (Universal Serial Bus) interface expansion module 22; the USB interface expansion module 22 includes a first group of ports 221 and a second group of ports 222; the first group of ports 221 is connected to the second FFC connector 21, and the second group of ports 222 is used to connect several USB peripherals. The model of the USB interface expansion module can be USB3.0_HUBHL817, etc., and this application is not limited thereto. Optionally, the number of ports in the second group of ports 222 is greater than the number of ports in the first group of ports 221, so as to save the number of ports in the USB interface expansion module 22.

[0070] This application embodiment provides a USB interface expansion module 22 on the front panel 20, which can expand several USB interfaces on the front panel 20, making it convenient for users to connect several USB peripherals on the front panel 20. The several USB peripherals can then interact with the motherboard 10 via USB signals through the USB interface expansion module 22, the second FFC connector 21, the FFC cable 40, and the first FFC connector 11.

[0071] Please see Figure 4 In one embodiment, the USB interface expansion module 22 further includes a third group of ports 223; the front panel 20 is also provided with a Type-C interface expansion module 23; the Type-C interface expansion module 23 includes a fourth group of ports 231 and a fifth group of ports 232; the fourth group of ports 231 is connected to the third group of ports 223; the fifth group of ports 223 is used to provide several Type-C interfaces. The Type-C interface expansion module can be of the type-C interface expansion module MUXVL162, etc., and this application is not limited thereto. Optionally, the number of ports in the third group of ports 232 is equal to the number of ports in the fourth group of ports 231; the number of ports in the fifth group of ports 232 is greater than the number of ports in the fourth group of ports 231, so as to save the number of ports in the USB interface expansion module 22 and the Type-C interface expansion module 23.

[0072] This application embodiment provides a Type-C interface expansion module 22 on the front panel 20, which can expand several Type-C interfaces on the front panel 20. This allows users to connect several Type-C peripherals to the front panel 20, enabling these peripherals to interact with the motherboard 10 via Type-C signals through the Type-C interface expansion module 22, the second FFC connector 21, the FFC cable 40, and the first FFC connector 11.

[0073] This application also provides a desktop computer, including a chassis and the aforementioned desktop computer connection structure; the desktop computer connection structure is disposed inside the chassis. The desktop computer connection structure of this application embodiment is exactly the same as described above, and will not be repeated here.

[0074] Compared to the traditional connection method using multiple individual cables, the desktop computer in this embodiment of the application has a first FFC connector 11 on the motherboard 10 and a second FFC connector 21 on the front panel 20. The first FFC connector 11 and the second FFC connector 21 are connected by an FFC cable 40, which can reduce the number of cables in the chassis and avoid messy wiring problems caused by multiple cables crossing and knotting. Based on the FFC cable connection method, the cable length between the interfaces in the motherboard 10 and the front panel 20 can be shortened, thereby reducing the internal resistance of the cable, preventing significant voltage drop, and achieving stable power supply to some ports on the front panel 20, such as USB ports. Furthermore, compared to the traditional method where the power module 30 is connected to external devices via a common power cord, this application provides a first power connector 31 on the power module 30, and a second power connector 12 and a third power connector 13 on the motherboard 10; the first power connector 31 and the second power connector 12 are connected via a power cord; and the third power connector 13 and the second power connector 12 are connected via copper foil on the motherboard. This method allows the power module 30 to supply power to external devices via the first power connector 31, the second power connector 12, and the third power connector 13, which can greatly reduce the internal resistance of the power cord, avoid significant voltage drops during the power supply process, and achieve stable power supply to external devices.

[0075] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0076] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A desktop computer connection structure, characterized in that, Includes a motherboard (10), a front panel (20), and a power module (30); The motherboard (10) is provided with a first FFC connector (11); the front panel (20) is provided with a second FFC connector (21); the first FFC connector (11) and the second FFC connector (21) are connected by an FFC cable (40); The power module (30) includes a first power connector (31); the motherboard (10) is also provided with a second power connector (12) and a third power connector (13); the first power connector (31) and the second power connector (12) are connected by a power cable (50); the third power connector (13) and the second power connector (12) are connected by copper foil on the motherboard; the third power connector (13) is used to connect to an external device; the power module (30) provides power supply voltage to the external device via the first power connector (31), the second power connector (12) and the third power connector (13).

2. The desktop computer connection structure according to claim 1, characterized in that: The external devices include a first external device and a second external device; the motherboard (10) is also provided with a voltage conversion module (14); the voltage conversion module (14) includes a voltage input terminal (41) and a voltage output terminal (42); the voltage input terminal (41) is connected to the second power connector (12); the voltage output terminal (42) is connected to the third power connector (13); The power module (30) provides power supply voltage to the first external device via the first power connector (31), the second power connector (12) and the third power connector (13); The voltage conversion module (14) is used to convert the power supply voltage provided by the power module (30) into a target voltage, and to provide the target voltage to the second external device via the voltage output terminal (42) and the third power connector (13).

3. The desktop computer connection structure according to claim 2, characterized in that: The voltage input terminal (41) is connected to the second power connector (12) via a copper foil on the motherboard; the voltage output terminal (42) is connected to the third power connector (13) via a copper foil on the motherboard.

4. The desktop computer connection structure according to any one of claims 1 to 3, characterized in that: The motherboard (10) is also provided with a main control chip; the second FFC connector (21) includes a first detection point and a second detection point; the first detection point and the second detection point are respectively grounded; the first FFC connector (11) includes a third detection point and a fourth detection point; the third detection point and the fourth detection point are respectively used to connect to the first detection point and the second detection point through the FFC cable (40); the third detection point and the fourth detection point are respectively connected to the reference power supply through at least one detection resistor, and the third detection point and the fourth detection point are also respectively connected to two input pins of the main control chip.

5. The desktop computer connection structure according to claim 4, characterized in that: The first detection point and the second detection point are two pins located on the edge of the second FFC connector (21), and the third detection point and the fourth detection point are two pins located on the edge of the first FFC connector (11).

6. The desktop computer connection structure according to claim 4, characterized in that: The first detection point and the second detection point are two metal positioning posts of the second FFC connector (21); The third and fourth detection points are two metal positioning posts of the first FFC connector (11); The third detection point is connected to the first detection point through the shielding layer of the FFC cable (40), and the fourth detection point is connected to the second detection point through the shielding layer of the FFC cable (40).

7. The desktop computer connection structure according to any one of claims 1 to 3, characterized in that: The first FFC connector (11) is mounted on the motherboard (10) via a surface mount; and / or, The second FFC connector (21) is mounted on the front panel (20) by means of a patch.

8. The desktop computer connection structure according to any one of claims 1 to 3, characterized in that: The front panel (20) is also provided with a USB interface expansion module (22); the USB interface expansion module (22) includes a first group of ports (221) and a second group of ports (222); the first group of ports (221) is connected to the second FFC connector (21), and the second group of ports (222) is used to provide several USB interfaces.

9. The desktop computer connection structure according to claim 8, characterized in that: The USB interface expansion module (22) also includes a third group of ports (223); the front panel (20) is also provided with a Type-C interface expansion module (23); the Type-C interface expansion module (23) includes a fourth group of ports (231) and a fifth group of ports (232); the fourth group of ports (231) is connected to the third group of ports (223); the fifth group of ports (232) is used to provide several Type-C interfaces.

10. A desktop computer, characterized in that, The computer case comprises a desktop computer connecting structure as claimed in any one of claims 1 to 9; the desktop computer connecting structure is arranged in the computer case.

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