An extended plate structure

Abstract

The utility model discloses an expansion board structure, including an adapter card, the adapter card is provided with a connection part for communication connection with a mainboard; the connection part includes a first connection part, which transfers the power supply of the mainboard to the step-down chip of the adapter card to supply power to the chip on the adapter card; the connection part also includes a second connection part, which divides the input signal into a plurality of signal groups, the adapter card is provided with a plurality of adapter modules cooperating with the plurality of signal groups, and the output signal of the adapter module is connected with a terminal. There are two step-down chips, which form 5VSUS and 3V3SUS respectively. The first connection part will connect the 12V power supply located on the mainboard, transfer the voltage to the adapter card, and provide the power supply required by each chip on the adapter card through the function of the step-down chip.

Description

Technical Field

[0001] The utility model belongs to the technical field of computers, and in particular relates to an expansion plate structure. Background Art

[0002] With the continuous development of communication technology, computers have become an indispensable hardware device for people's lives and work, and the types and numbers of external devices connected to each computer device are increasing. At present, computer devices and external devices are usually connected using a one-to-one UART,interface, but the docking board is mostly powered by its own power supply, which is very cumbersome. Therefore, it is very important to obtain an expansion board structure that can use the motherboard for step-down power supply. Utility Model Content

[0003] In order to solve at least one of the above technical problems, the utility model provides an expansion board structure, including an adapter card, the adapter card is provided with a connection part for communication connection with the mainboard; the connection part includes a first connection part, which transfers the power supply of the mainboard to the step-down chip of the adapter card to supply power to the chip on the adapter card; the connection part also includes a second connection part, which divides the input signal into a plurality of signal groups, the adapter card is provided with a plurality of adapter modules cooperating with the plurality of signal groups, and the output signal of the adapter module is connected with a terminal. There are two step-down chips, which form 5VSUS and 3V3SUS respectively.

[0004] Through the above technical solution, the first connecting part will be connected to the 12V power supply on the mainboard, and the voltage will be transferred to the adapter card. Through the function of the step-down chip, the power supply required by each chip on the adapter card is provided.

[0005] The output signal of the adapter module is transmitted to the terminal through a high-speed signal connector. The high-speed signal connector is SlimSAS CON. The high-speed signal connector can transmit high-speed signals and reduce signal insertion loss. The PCIe4x signal is transferred to other boards and terminals through the high-speed signal connector and high-speed wire.

[0006] The adapter board is also provided with a clock expansion module, which is connected to the terminal, and expands one group of 100M clock signals into four groups of 100M clock signals, which are provided to the clock signals required for the work of each terminal.

[0007] It also includes several USB interfaces, which convert USB signals into several groups of TTL serial port signals through signal processors to provide serial ports required by terminal testing.

[0008] The second connection portion divides the PCIe16x signal into four signal groups of PCIe4x signals.

[0009] The adapter board is also provided with a power management circuit.

[0010] There are four switching modules, each of which includes a receiving chip and a transmitting chip.

[0011] The terminals include motor drivers or buffers.

[0012] The above-mentioned connecting part is a gold finger.

[0013] Compared with the prior art, the utility model has the following advantages: the utility model has a simple structure, and the utility model transfers the PCIe signal on the motherboard to the adapter card through the PCIe slot, that is, the gold finger, and then re-drives it through the Redriver and outputs it to the PCIe terminal to adapt to the compatibility problems encountered in actual use. The compatibility problems encountered in actual use can be solved by adjusting the protocol of the physical layer. The chip on the adapter card supports 4-channel independent configuration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the structural diagram of the utility model;

[0015] Figure 2 This is the circuit diagram of the connection part of the utility model;

[0016] Figure 3 This is the circuit diagram of the clock expansion module of the utility model;

[0017] Figure 4 This is the USB interface circuit diagram of the utility model;

[0018] Figure 5 The utility model is a switching module circuit Figure 1 ;

[0019] Figure 6 The utility model is a switching module circuit Figure 2 ;

[0020] Figure 7 The utility model is a switching module circuit Figure 3 ;

[0021] Figure 8 The utility model is a switching module circuit Figure 4 ;

[0022] Fig. 9 for Figure 5 High-speed signal connector circuit Figure 1 ;

[0023] Fig.10 for Figure 6 High-speed signal connector circuit Figure 2 ;

[0024] Fig.11 for Figure 7 High-speed signal connector circuit Figure 3 ;

[0025] Fig.12 for Figure 8 High-speed signal connector circuit Figure 4 ;

[0026] Fig.13 It is the output part of the utility model;

[0027] Reference numerals:

[0028] 1-the first switching module; 2-the second switching module; 3-the third switching module; 4-the fourth switching module;

[0029] 11-first high-speed signal connector; 12-second high-speed signal connector; 13-third high-speed signal connector; 14-fourth high-speed signal connector;

[0030] 2-USB interface;

[0031] 3-Connection part. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the present invention and to more clearly define the scope of protection claimed by the present invention, the present invention is described in detail below with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementation methods of the present invention, which are only part of the embodiments of the present invention, and the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of implementation of the present invention.

[0033] Referring to the attached drawings, the utility model adopts the following technical scheme: an expansion board structure, including an adapter card, the adapter card is provided with a connection part 3 for communication connection with the mainboard; the connection part 3 includes a first connection part, which transfers the power supply of the mainboard to the step-down chip of the adapter card to supply power to the chip on the adapter card; the connection part 3 also includes a second connection part, which divides the input signal into a plurality of signal groups, the adapter card is provided with a plurality of adapter modules that cooperate with the plurality of signal groups, and the output signal of the adapter module is connected with a terminal. There are two step-down chips, which form 5VSUS and 3V3SUS respectively.

[0034] Through the above technical solution, the first connecting part will be connected to the 12V power supply on the mainboard, and the voltage will be transferred to the adapter card. Through the function of the step-down chip, the power supply required by each chip on the adapter card is provided.

[0035] The output signal of the adapter module is transmitted to the terminal through a high-speed signal connector. The high-speed signal connector is SlimSAS CON. The high-speed signal connector can transmit high-speed signals and reduce signal insertion loss. The PCIe4x signal is transferred to other boards and terminals through the high-speed signal connector and high-speed wire.

[0036] The adapter board is also provided with a clock expansion module, which is connected to the terminal, and expands one group of 100M clock signals into four groups of 100M clock signals, which are provided to the clock signals required for the work of each terminal.

[0037] The clock expansion module includes a first chip U1.

[0038] It also includes several USB interfaces 2, which convert USB signals into several groups of TTL serial port signals through signal processors to provide serial ports required by terminal testing. The twelfth chip U12 is used to implement the above functions.

[0039] The second connection part divides the PCIe16x signal into 4 signal groups of PCIe4x signals, such as Figure 2 As shown, the PCIe16x signal in the rectangular box on the left side of the gold finger is divided into 4 groups of PCIe4x signals in the ellipse on the right.

[0040] The adapter board is also provided with a power management circuit.

[0041] The adapter module is provided with four, including a receiving chip and a transmitting chip. Each chip supports 4 channels of independent configuration, and the receiving equalizer can support 8 levels of parameters for adjusting signal integrity and compatibility issues; the DC gain can support 5 levels of parameters for adjusting signal integrity and compatibility issues; and supports i2c interface software adjustment parameters, or chip pin adjustment parameters

[0042] For example, the first adapter module 1 includes a first receiving chip U7, a first transmitting chip U8, and a first high-speed signal connector 11CON4; the second adapter module 2 includes a second receiving chip U9, a second transmitting chip U10, and a second high-speed signal connector 12CON5; the third adapter module 4 includes a third receiving chip U2, a third transmitting chip U3, and a third high-speed signal connector 13CON2; the fourth adapter module 5 includes a fourth receiving chip U5, a fourth transmitting chip U6, and a fourth high-speed signal connector 14CON3;

[0043] The terminals include motor drivers or buffers, or other devices.

[0044] The connection part 3 is a gold finger CON1.

[0045] Compared with the prior art, the utility model has the following advantages: the utility model has a simple structure, and the utility model transfers the PCIe signal on the motherboard to the adapter card through the PCIe slot, that is, the gold finger, and then re-drives it through the Redriver and outputs it to the PCIe terminal to adapt to the compatibility problems encountered in actual use. The compatibility problems encountered in actual use can be solved by adjusting the protocol of the physical layer. The chip on the adapter card supports 4-channel independent configuration.

[0046] The utility model has lower power dissipation, is beneficial to energy saving, and supports low power consumption function and downstream end detection function on the PCIe bus.

[0047] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An extended plate structure, characterized in that: It comprises an adapter card, on which is provided a connection portion (3) for communication connection with a main board; The connecting part (3) comprises a first connecting part, which transfers the power supply of the mainboard to the step-down chip of the adapter card to supply power to the chip on the adapter card; The connecting part (3) also includes a second connecting part, which divides the input signal into a plurality of signal groups. The adapter board is provided with a plurality of adapter modules that cooperate with the plurality of signal groups. The output signal of the adapter module is connected to a terminal.

2. The extended plate structure according to claim 1, characterized in that: The output signal of the adapter module is transmitted to the terminal through a high-speed signal connector.

3. The extended plate structure according to claim 1, characterized in that: The adapter board is also provided with a clock expansion module, and the clock expansion module is connected to the terminal.

4. The extended plate structure according to claim 1, characterized in that: It also includes a plurality of USB interfaces (2) which convert USB signals into a plurality of groups of TTL serial port signals through a signal processor to provide a serial port required by a terminal test.

5. The extended plate structure according to claim 4, characterized in that: The second connection portion divides the PCIe16x signal into four signal groups of PCIe4x signals.

6. The extended plate structure according to claim 1, characterized in that: The adapter board is also provided with a power management circuit.

7. The extended plate structure according to claim 1, characterized in that: There are four switching modules.

8. The extended plate structure according to claim 1, characterized in that: The step-down chips are provided with two, and they form 5VSUS and 3V3SUS respectively.

9. The extended plate structure according to claim 1, characterized in that: The terminals include motor drivers or buffers.

10. The extended plate structure according to claim 2, characterized in that: The high-speed signal connector is SlimSASCON.

Images