CN207474878U - A kind of novel RJ45 interfaces and USB interface pinboard - Google Patents
A kind of novel RJ45 interfaces and USB interface pinboard Download PDFInfo
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- CN207474878U CN207474878U CN201721617519.XU CN201721617519U CN207474878U CN 207474878 U CN207474878 U CN 207474878U CN 201721617519 U CN201721617519 U CN 201721617519U CN 207474878 U CN207474878 U CN 207474878U
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- usb interface
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Abstract
The utility model is related to a kind of novel RJ45 interfaces and USB interface pinboards, including mainboard, RJ45 interface boards, USB interface plate and patchcord, the main control chip uses RK3288 chips, and the control mainboard does not have RJ45 interfaces, only sets an emergency USB interface.The control mainboard is equipped with converting interface, and the RJ45 interface boards and USB interface plate are connect by the patchcord with the control mainboard.The occupied space of mainboard is reduced, improves the space occupancy rate inside machine, reduces the volume of entire computer system, external interface plate, user can be configured as needed, save the deployment cost of system.
Description
Technical field
The utility model is related to field of computer technology, and in particular to a kind of novel RJ45 interfaces and USB interface pinboard.
Background technology
With the development of computer technology, computer controls the every field for having been enter into people's production and living, RK3288 master
Control chip is widely used in various computer control systems.Usual computer motherboard has RJ45 interfaces and USB interface, can
With the external cable online of connection, can be used for driving various USB devices.The RJ45 interface and USB interface of existing equipment integrate
On mainboard, make computer control system occupied space larger, cause the installation of other devices inconvenient.
Utility model content
In view of this, it is necessary to which a kind of novel RJ45 interface and USB interface for provide a kind of compact, being easily installed turn
Fishplate bar.
A kind of novel RJ45 interfaces and USB interface pinboard, including control mainboard, RJ45 interface boards and USB interface plate and
Patchcord, the control mainboard are equipped with RJ45 converting interfaces and USB adapter, and the RJ45 interface boards and USB interface plate are equipped with row
Needle socket, the RJ45 interface boards and USB interface plate are electrically connected by the patchcord with the control mainboard.
Further, the control mainboard further includes main control chip, and the main control chip uses RK3288 chips.
Further, row's needle socket is including the first row needle socket for connecting the RJ45 interface boards and for even
Connect the second row needle socket of the USB interface plate and third row's needle socket.
Further, the control mainboard has PHY chip and RJ45 converting interfaces, and the RJ45 interface boards connect equipped with RJ45
Mouth, network transformer and first row needle socket, for connecting external cable, the first row needle socket passes through the RJ45 interfaces
The patchcord is connected to the RJ45 converting interfaces, and the RJ45 converting interfaces of the control mainboard are connect with the PHY chip,
The network transformer is for the electrical isolation between external cable and the PHY chip.
Further, the network transformer uses SG24002 chips.
Further, the network transformer has dispatching centre tap TCT pins, and the dispatching centre tap TCT draws
Foot is connected with the first capacitance, for filtering；The network transformer, which has, receives centre cap MCT pins, the reception center
Tap MCT pins are connected with resistance, while are in series with inductance and two the second capacitances in parallel, third capacitances, and the resistance is used
In eliminating inductance and second capacitance, the self-excitation of the third capacitance, while second capacitance described in rear class and described the
Three capacitance parallel connections are used to improve electromagnetic interference.
Further, there are the network transformer data to send TD pins, and the data send TD pins and are connected to institute
First row needle socket is stated, for transmission data；The network transformer has data receiver MX pins, and the data receiver MX draws
Foot is connected to the RJ45 interfaces, for receiving the data sended over from the RJ45 interfaces.
Further, the control mainboard has HUB chips and multiple USB adapters, and the USB interface plate is equipped with second
Needle socket and third row's needle socket are arranged, the second row needle socket and third row's needle socket are connected to by the patchcord
The USB adapter of the control mainboard, the USB adapter are connect with the HUB chips.
Further, the USB interface plate is equipped with electrostatic protection esd protection circuit, for electrostatic protection.
Further, the USB interface plate has multiple expanding USB interfaces.
In above-mentioned novel RJ45 interfaces and USB interface pinboard, a USB interface is provided only in the control mainboard, no
Integrated RJ45 interfaces, reduce the occupied space of mainboard, improve the space occupancy rate inside machine, make entire computer system
Volume reduce, a variety of different occasions can be flexibly applied to.The RJ45 interface boards and USB interface plate are external interface plate,
External cable and multiple USB interface devices can be connected, user can be configured as needed, such as the demand without external cable, can be with
RJ45 interface boards are not purchased, save the deployment cost of system.
Description of the drawings
Fig. 1 is the system principle signal of a kind of novel RJ45 interface and USB interface pinboard of the utility model embodiment
Figure.
Fig. 2 is a kind of novel RJ45 interfaces of the utility model embodiment and the RJ45 interface boards electricity of USB interface pinboard
Lu Tu.
Fig. 3 is a kind of novel RJ45 interfaces of the utility model embodiment and the USB interface plate circuit of USB interface pinboard
Figure.
Specific embodiment
The utility model is described in detail below with reference to specific embodiments and the drawings.
Please refer to Fig.1, Fig. 2 and Fig. 3, show a kind of novel RJ45 interfaces and USB interface pinboard systematic schematic diagram and
Circuit diagram, including control mainboard, RJ45 interface boards 100, USB interface plate 200 and patchcord, the control mainboard only sets one
USB interface, does not set RJ45 interfaces, and the RJ45 interface boards 100 and the USB interface plate 200 are equipped with row's needle socket, the control
Mainboard is equipped with RJ45 converting interfaces and multiple USB adapters, and the RJ45 interface boards 100 and USB interface plate 200 pass through the switching
Control mainboard described in line connects.
Specifically, the control mainboard uses ZYBOX 08A mainboards, and the control mainboard further includes main control chip, described
Main control chip is used using RK3288 chips.
Further, row's needle socket includes 110 He of first row needle socket for connecting the RJ45 interface boards 100
For connecting the second row needle socket 210 of the USB interface plate 200 and third row's needle socket, specifically, the USB interface plate
200 have multiple expanding USB interfaces, therefore position shows third row's needle socket of extension in figure.
Further, the control mainboard has PHY chip and RJ45 converting interfaces, and the RJ45 interface boards 100 are equipped with
RJ45 interfaces 120, network transformer 130 and first row needle socket 110, the RJ45 interfaces 120 are used to connect external cable, institute
It states first row needle socket 110 and the RJ45 converting interfaces is connected to by the patchcord, the RJ45 of the control mainboard turns
Interface is connect with the PHY chip, the network transformer 130 between external cable and the PHY chip it is electrical every
From.
Specifically, the network transformer 130 uses SG24002 chips.The PHY chip is the object of the control mainboard
Manage layer interface chip, for the interface of data input/output, number that the network transformer 130 sends out the PHY chip
It is believed that number, it is coupled and filtered with differential mode coupling coil, to obtain enhancing signal, and converted by electromagnetic field, it is outer to be coupled to connection
Cable is connect, realizes the electrical isolation between external cable and the PHY chip.The dispatching centre of the SG24002 chips is taken out
Head TCT1-4 pins are by the capacity earth of 10nf, and the capacitance is for filtering；TD1-4 pins be used for send data to MDI0-
3, MDI0-3 be 110 pin of first row needle socket；The reception of data receiver MX1-4 pins was transmitted from the external cables of RJ45
The data come.The self-excitation that centre cap MCT1-4 pins eliminate rear class inductance and capacitance by the resistance in 75 Europe is received, then simultaneously
Connect improves electromagnetic interference with the capacitance of parallel connection 103nf.For cable outside grafting, wherein TX+, TX- are RJ45 interfaces 120
Transmission data mouth, RX+, RX- is receive data port.
Further, the control mainboard has HUB chips and multiple USB adapters, and the USB interface plate 200 is equipped with
Second row needle socket 210 and third row's needle socket, the second row needle socket 210 and third row's needle socket pass through described turn
Wiring is connected to the USB adapter of the control mainboard, and the USB adapter is connect with the HUB chips.
Specifically, the USB interface plate 200 is arranged by patchcord by the second row needle socket 210 and the third
Needle socket is connected to the HUB chips of the control mainboard.P1 in Fig. 3 is USB interface 230, can be directly connected to mouse etc.
USB device, wherein ESD1-4 are used for electrostatic protection.Capacitance C1 is for decoupling, filtering, anti-self-excitation.
When external cable is inserted into RJ45 interface boards 100, data-signal passes through circuit transmission to the network transformer
SG24002 after signal level couples, can enhance signal, make its transmission range farther, and make the institute of the control mainboard
It states PHY chip end to be isolated from the outside, enhances antijamming capability, while play the protective effect to PHY chip.When signal is by turning
After bound transmission to the PHY chip, the PHY chip encodes the signal transmitted, is converted into digital signal, then
Data transmission is transferred to master controller.
External USB interface device need to only be connected to the HUB chips of mainboard, the grafting on pinboard with patchcord
Afterwards, the USB interface device can be used.
In a kind of above-mentioned novel RJ45 interfaces and USB interface pinboard, a USB is provided only in the control mainboard and is connect
Mouthful, not integrated RJ45 interfaces reduce the occupied space of mainboard, improve the space occupancy rate inside machine, make entirely to calculate
The volume of machine system reduces, and can be flexibly applied to a variety of different occasions.The RJ45 interface boards 100 and USB interface plate 200 are
External interface plate can connect 230 equipment of external cable and multiple USB interfaces, and user can be configured as needed, such as without external net
The demand of line can not purchase RJ45 interface boards 100, save the deployment cost of system.The utility model is easily achieved, cost
It is cheap, convenient for promoting.
It should be noted that the utility model is not limited to the above embodiment, it is according to the present utility model to create essence
God, those skilled in the art can also make other variations, these variations done according to the creative spirit of the utility model, all
It should be within the scope of the utility model be claimed.
Claims (10)
1. a kind of novel RJ45 interfaces and USB interface pinboard, including control mainboard, which is characterized in that further include RJ45 interfaces
Plate, USB interface plate and patchcord, the control mainboard be equipped with RJ45 converting interfaces and USB adapter, the RJ45 interface boards and
USB interface plate is equipped with row's needle socket, the RJ45 interface boards and USB interface plate and passes through the patchcord and control mainboard electricity
Connection.
2. a kind of novel RJ45 interfaces as described in claim 1 and USB interface pinboard, which is characterized in that the control master
Plate further includes main control chip, and the main control chip uses RK3288 chips.
3. a kind of novel RJ45 interfaces as described in claim 1 and USB interface pinboard, which is characterized in that row's needle is inserted
Seat includes connecting the first row needle socket of the RJ45 interface boards and inserting for connecting the second row needle of the USB interface plate
Seat and third arrange needle socket.
4. a kind of novel RJ45 interfaces as claimed in claim 3 and USB interface pinboard, which is characterized in that the control master
Plate has PHY chip and RJ45 converting interfaces, and the RJ45 interface boards are inserted equipped with RJ45 interfaces, network transformer and first row needle
Seat, for the RJ45 interfaces for connecting external cable, the first row needle socket is connected to the RJ45 by the patchcord
Converting interface, the RJ45 converting interfaces of the control mainboard are connect with the PHY chip, and the network transformer is used for extranets
Electrical isolation between line and the PHY chip.
5. a kind of novel RJ45 interfaces as claimed in claim 4 and USB interface pinboard, which is characterized in that the network becomes
Depressor uses SG24002 chips.
6. a kind of novel RJ45 interfaces as claimed in claim 5 and USB interface pinboard, which is characterized in that the network becomes
Depressor has dispatching centre tap TCT pins, and the dispatching centre tap TCT pins are connected with the first capacitance, for filtering；Institute
Stating network transformer has reception centre cap MCT pins, and the reception centre cap MCT pins are connected with resistance, go here and there simultaneously
Inductance and two the second capacitances in parallel, third capacitances are associated with, the resistance is used to eliminate inductance described in rear class and described second
The self-excitation of capacitance, the third capacitance, while second capacitance and the third capacitance parallel connection are used to improve electromagnetic interference.
7. a kind of novel RJ45 interfaces as claimed in claim 5 and USB interface pinboard, which is characterized in that the network becomes
There are depressor data to send TD pins, and the data send TD pins and are connected to the first row needle socket, for transmission data；
The network transformer has data receiver MX pins, and the data receiver MX pins are connected to the RJ45 interfaces, for connecing
Receive the data sended over from the RJ45 interfaces.
8. a kind of novel RJ45 interfaces as described in claim 1 and USB interface pinboard, which is characterized in that the control master
Plate has HUB chips and multiple USB adapters, and the USB interface plate is equipped with second row needle socket and third row's needle socket, described
The USB that second row needle socket and third row's needle socket are connected to the control mainboard by the patchcord transfers
Mouthful, the USB adapter is connect with the HUB chips.
9. a kind of novel RJ45 interfaces as claimed in claim 8 and USB interface pinboard, which is characterized in that the USB interface
Plate is equipped with esd protection circuit, for electrostatic protection.
10. a kind of novel RJ45 interfaces as described in claim 1 and USB interface pinboard, which is characterized in that the USB connects
Oralia has multiple expanding USB interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617519.XU CN207474878U (en) | 2017-11-28 | 2017-11-28 | A kind of novel RJ45 interfaces and USB interface pinboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617519.XU CN207474878U (en) | 2017-11-28 | 2017-11-28 | A kind of novel RJ45 interfaces and USB interface pinboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474878U true CN207474878U (en) | 2018-06-08 |
Family
ID=62258805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721617519.XU Active CN207474878U (en) | 2017-11-28 | 2017-11-28 | A kind of novel RJ45 interfaces and USB interface pinboard |
Country Status (1)
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| CN (1) | CN207474878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768230A (en) * | 2019-12-30 | 2020-02-07 | 深圳微步信息股份有限公司 | Network interface protection circuit and terminal equipment |
-
2017
- 2017-11-28 CN CN201721617519.XU patent/CN207474878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768230A (en) * | 2019-12-30 | 2020-02-07 | 深圳微步信息股份有限公司 | Network interface protection circuit and terminal equipment |
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