CN106200814A - RJ45 type eight serial server - Google Patents
RJ45 type eight serial server Download PDFInfo
- Publication number
- CN106200814A CN106200814A CN201610781298.3A CN201610781298A CN106200814A CN 106200814 A CN106200814 A CN 106200814A CN 201610781298 A CN201610781298 A CN 201610781298A CN 106200814 A CN106200814 A CN 106200814A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
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Abstract
The invention discloses RJ45 type eight serial server, including: master controller, network processing circuitry, network interface interface circuit, two serial expanded circuits, eight serial ports process circuit and eight RJ45 type interfaces, network interface interface circuit is connected with master controller by network processing circuitry, two serial expanded circuits are connected respectively at master controller serial port circuit interface, 4 serial port circuit tap mouths it are respectively arranged with on two serial expanded circuits, each serial port circuit tap mouth is connected to a serial ports and processes circuit, eight RJ45 type interfaces process circuit respectively at eight serial ports and connect one to one, master controller at least includes master chip S3C2440 and CPLD, CPLD is configured to control sequential switching allows multiple serial ports parallel transmission.This RJ45 type eight serial server overcomes serial server inefficiency of the prior art, the low problem with poor stability of message transmission rate.
Description
Technical Field
The invention relates to a serial server, in particular to an RJ45 type eight-serial server.
Background
With the advance of science and technology, along with the rapid development of the technology of the internet of things, more and more bottom-end devices need to be connected to the ethernet so as to transmit data to the main control machine room. Meanwhile, with the rapid development of electronic technology and network communication technology, serial communication is gradually applied to various fields, and permeates into multiple aspects such as telecommunication, electric power, industrial control and the like. The serial communication means that data of the equipment at the bottom end is transmitted to the upper computer in a serial mode. And the data acquisition, analysis and processing of the bottom equipment by the upper computer are realized. With various applications, the requirements of the functions of a data acquisition system for transmission are more and more comprehensive and more convenient, but the data transmission rate of a serial server in the prior art is low and the safety is poor.
Therefore, the invention provides an RJ45 type eight-serial-port server which has a fast data transmission rate, high security, and high practicability during use, and can effectively improve the real-time monitoring efficiency.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the problems of low working efficiency, low data transmission rate and poor safety of the serial server in the prior art, thereby providing the RJ45 type eight-serial server which has high data transmission rate, high safety and stronger practicability and can effectively improve the real-time monitoring efficiency in the use process.
In order to achieve the above object, the present invention provides an RJ45 type eight-serial server, where the RJ45 type eight-serial server includes: the network port interface circuit is connected with the main controller through the network processing circuit, the two serial port expansion circuits are respectively connected with the serial port circuit interface of the main controller, 4 serial port circuit sub-interfaces are respectively arranged on the two serial port expansion circuits, each serial port circuit sub-interface is respectively connected with one serial port processing circuit, and the eight RJ45 type interfaces are respectively connected with the eight serial port processing circuits in a one-to-one correspondence manner; the main controller is configured to perform data processing and signal control, and at least comprises a main chip S3C2440 and a complex programmable logic device, wherein the complex programmable logic device is configured to control time sequence switching to enable a plurality of serial ports to transmit in parallel; the network processing circuit is configured to convert between TTL signals and TCP signals, the serial port extension circuit is configured to extend a single serial port circuit interface by 4 serial port circuit interfaces, and the serial port processing circuit is configured to convert between TTL signals and serial port signals.
Preferably, the RJ45 type eight-serial-port server further includes a chassis housing, the circuit modules of the RJ45 type eight-serial-port server are all disposed inside the chassis housing, and electromagnetic shielding films are disposed on the outer surface and the inner surface of the chassis housing.
Preferably, the electromagnetic shielding film comprises an upper glass layer, a copper powder layer, a stainless steel layer and a bottom glass layer which are sequentially formed from top to bottom, and the thicknesses of the copper powder layer and the stainless steel layer are 0.6 to 0.8 micrometers.
Preferably, the complex programmable logic device is an ST16C554 chip,
preferably, the RJ45 type eight-serial server further includes: a crystal oscillator circuit, a power supply circuit and a storage circuit respectively connected to the main chip S3C2440, wherein the crystal oscillator circuit is configured to provide a clock signal for keeping the system running; the power supply circuit is configured to provide a stable voltage for system operation; the memory circuit is configured to provide storage space for program execution in the main chip S3C 2440.
Preferably, the serial port expansion circuit is an ST16C554 chip.
Preferably, the network port processing circuit is a DM9000AEP type chip; the serial port processing circuit selects a TRS213IDBR chip.
According to the technical scheme, the RJ45 type eight-serial-port server effectively expands the serial port on the main controller by arranging the serial port expansion circuit, the serial port processing circuit is used for processing serial port signals and TTL signals, the server is wider in applicable field due to the fact that the serial ports are arranged, the server is further provided with a complex programmable logic device, the complex programmable logic device is configured to control time sequence switching to enable the serial ports to be transmitted in parallel, the eight serial ports are arranged in the server, the main controller can better control the eight serial ports, the main chip on the main controller is S3C2440 type, the chip is low in price, multiple in internal resources and rich in data, the S3C2440 type main chip adopts an ARM920T kernel and 400M master frequency, the application is wide, and the server supports NANDFLASH, NORFLASH, SDRAM, STN/TFTLCD, 4-channel DMA, 3-channel UART, 2-channel SPI, IIC bus, IIS/AC97 audio controller, SD/MMC controller, 2-channel USBHOST, 1-channel USBDEVICE, 4-channel PWM, 8-channel A/D conversion, touch screen controller, RTC, CMOS camera, multifunctional IO and multiple power supply management. The RJ45 type eight-serial-port server provided by the invention overcomes the problems of low working efficiency, low data transmission rate and poor safety of the serial-port server in the prior art.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a block diagram of an RJ45 type eight-serial server according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a chassis housing of an RJ45 type eight-serial port server according to a preferred embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of an electromagnetic shielding film on an RJ45 type eight-serial server provided in a preferred embodiment of the present invention.
Description of the reference numerals
1 chassis housing 2 electromagnetic shielding film
21 glass upper layer 22 copper powder layer
23 stainless steel layer 24 glass bottom layer
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower" and the like included in the terms merely represent the orientation of the terms in the conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1, the present invention provides an RJ45 type eight-serial server, where the RJ45 type eight-serial server includes: the network port interface circuit is connected with the main controller through the network processing circuit, the two serial port expansion circuits are respectively connected with the serial port circuit interface of the main controller, 4 serial port circuit sub-interfaces are respectively arranged on the two serial port expansion circuits, each serial port circuit sub-interface is respectively connected with one serial port processing circuit, and the eight RJ45 type interfaces are respectively connected with the eight serial port processing circuits in a one-to-one correspondence manner; the main controller is configured to perform data processing and signal control, and at least comprises a main chip S3C2440 and a complex programmable logic device, wherein the complex programmable logic device is configured to control time sequence switching to enable a plurality of serial ports to transmit in parallel; the network processing circuit is configured to convert between TTL signals and TCP signals, the serial port extension circuit is configured to extend a single serial port circuit interface by 4 serial port circuit interfaces, and the serial port processing circuit is configured to convert between TTL signals and serial port signals.
According to the technical scheme, the RJ45 type eight-serial-port server effectively expands the serial port on the main controller by arranging the serial port expansion circuit, the serial port processing circuit is used for processing serial port signals and TTL signals, the server is wider in applicable field due to the fact that the serial ports are arranged, the server is further provided with a complex programmable logic device, the complex programmable logic device is configured to control time sequence switching to enable the serial ports to be transmitted in parallel, the eight serial ports are arranged in the server, the main controller can better control the eight serial ports, the main chip on the main controller is S3C2440 type, the chip is low in price, multiple in internal resources and rich in data, the S3C2440 type main chip adopts an ARM920T kernel and 400M master frequency, the application is wide, and the server supports NANDFLASH, NORFLASH, SDRAM, STN/TFTLCD, 4-channel DMA, 3-channel UART, 2-channel SPI, IIC bus, IIS/AC97 audio controller, SD/MMC controller, 2-channel USBHOST, 1-channel USBDEVICE, 4-channel PWM, 8-channel A/D conversion, touch screen controller, RTC, CMOS camera, multifunctional IO and multiple power supply management. The RJ45 type eight-serial-port server provided by the invention overcomes the problems of low working efficiency, low data transmission rate and poor safety of the serial-port server in the prior art.
In a preferred embodiment of the present invention, as shown in fig. 2, the RJ45 type eight-serial-port server further includes a chassis housing 1, and the circuit modules of the RJ45 type eight-serial-port server are all disposed inside the chassis housing 1, so that in order to make the RJ45 type eight-serial-port server of the present invention effectively resist electromagnetic interference, electromagnetic shielding films 2 are disposed on both the outer surface and the inner surface of the chassis housing 1, thereby increasing the electromagnetic interference resistance of the chassis housing 1.
In a specific embodiment of the present invention, as shown in fig. 3, the electromagnetic shielding film 2 includes an upper glass layer 21, a copper powder layer 22, a stainless steel layer 23, and a bottom glass layer 24 formed in sequence from top to bottom, wherein the thicknesses of the copper powder layer 22 and the stainless steel layer 23 are 0.6 to 0.8 μm, and the specific thicknesses of the copper powder layer 22 and the stainless steel layer 23 are not limited in the present invention. The electromagnetic shielding film 2 with the structure has good electromagnetic interference resistance in the use process, and can effectively protect the RJ45 type eight-serial-port server provided by the invention so that the server can normally work.
In a preferred embodiment of the present invention, the complex programmable logic device selects an ST16C554 chip, so that the complex programmable logic device can effectively cooperate with the main chip to control normal parallel transmission of multiple serial ports.
In a preferred embodiment of the present invention, the RJ45 type eight-serial server further includes: a crystal oscillator circuit, a power supply circuit and a storage circuit respectively connected to the main chip S3C2440, wherein the crystal oscillator circuit is configured to provide a clock signal for keeping the system running; the power supply circuit is configured to provide a stable voltage for system operation; the memory circuit is configured to provide storage space for program execution in the main chip S3C 2440.
In a preferred embodiment of the present invention, the serial port expansion circuit is an ST16C554 chip, which can effectively expand the serial port on the host controller into multiple serial ports.
In a preferred embodiment of the present invention, the portal processing circuit is a DM9000AEP type chip; the serial port processing circuit selects a TRS213IDBR chip.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. An RJ45 type eight-serial server, characterized in that, the RJ45 type eight-serial server includes: the network port interface circuit is connected with the main controller through the network processing circuit, the two serial port expansion circuits are respectively connected with the serial port circuit interface of the main controller, 4 serial port circuit sub-interfaces are respectively arranged on the two serial port expansion circuits, each serial port circuit sub-interface is respectively connected with one serial port processing circuit, and the eight RJ45 type interfaces are respectively connected with the eight serial port processing circuits in a one-to-one correspondence manner; wherein,
the main controller is configured to perform data processing and signal control, and the main controller at least comprises a main chip S3C2440 and a complex programmable logic device, and the complex programmable logic device is configured to control time sequence switching to enable a plurality of serial ports to transmit in parallel; the network processing circuit is configured to convert between TTL signals and TCP signals, the serial port extension circuit is configured to extend a single serial port circuit interface by 4 serial port circuit interfaces, and the serial port processing circuit is configured to convert between TTL signals and serial port signals.
2. The RJ45 type eight-serial server according to claim 1, wherein the RJ45 type eight-serial server further comprises a chassis housing (1), the circuit modules of the RJ45 type eight-serial server are all arranged inside the chassis housing (1), and electromagnetic shielding films (2) are arranged on the outer surface and the inner surface of the chassis housing (1).
3. The RJ45 type eight-serial-port server according to claim 2, wherein the electromagnetic shielding film (2) comprises an upper glass layer (21), a copper powder layer (22), a stainless steel layer (23) and a bottom glass layer (24) which are sequentially formed from top to bottom, and the thicknesses of the copper powder layer (22) and the stainless steel layer (23) are 0.6 to 0.8 micrometers.
4. The RJ45 type eight-serial server according to claim 1, wherein the complex programmable logic device is an ST16C554 chip.
5. The RJ45 type eight-serial server according to claim 4, wherein the RJ45 type eight-serial server further comprises: a crystal oscillator circuit, a power supply circuit and a storage circuit respectively connected to the main chip S3C2440, wherein the crystal oscillator circuit is configured to provide a clock signal for keeping the system running; the power supply circuit is configured to provide a stable voltage for system operation; the memory circuit is configured to provide storage space for program execution in the main chip S3C 2440.
6. The RJ 45-type eight-serial server according to claim 1, wherein the serial expansion circuit is an ST16C 554-type chip.
7. The RJ45 type eight-serial-port server according to claim 1, wherein the port processing circuit is a DM9000AEP type chip; the serial port processing circuit selects a TRS213IDBR chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781298.3A CN106200814A (en) | 2016-08-31 | 2016-08-31 | RJ45 type eight serial server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781298.3A CN106200814A (en) | 2016-08-31 | 2016-08-31 | RJ45 type eight serial server |
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| CN106200814A true CN106200814A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610781298.3A Pending CN106200814A (en) | 2016-08-31 | 2016-08-31 | RJ45 type eight serial server |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106682543A (en) * | 2016-12-23 | 2017-05-17 | 安徽康海时代科技股份有限公司 | RJ45 type serial server with redundant isolation protection effect |
| CN106845294A (en) * | 2016-12-23 | 2017-06-13 | 安徽康海时代科技股份有限公司 | RJ45 type serial servers with serial ports protection |
| CN107168914A (en) * | 2017-06-22 | 2017-09-15 | 安徽康海时代科技股份有限公司 | The serial server of RJ45 types 32 |
| CN107220203A (en) * | 2017-06-22 | 2017-09-29 | 安徽康海时代科技股份有限公司 | The double serial servers of net 32 of RJ45 types |
| CN107229313A (en) * | 2017-06-22 | 2017-10-03 | 安徽康海时代科技股份有限公司 | The serial server of four net eight with terminal |
| CN107229312A (en) * | 2017-06-22 | 2017-10-03 | 安徽康海时代科技股份有限公司 | Eight mouthfuls of band insulation blocking serial servers |
| CN107368157A (en) * | 2017-06-22 | 2017-11-21 | 安徽康海时代科技股份有限公司 | The serial server of double nets eight with terminal |
| CN107368861A (en) * | 2017-06-23 | 2017-11-21 | 芜湖恒天易开软件科技股份有限公司 | The system that can recognize that a variety of different vehicles in short-term |
| CN108710586A (en) * | 2018-05-18 | 2018-10-26 | 安徽康海时代科技股份有限公司 | Two serial servers with DTU functions |
| CN110244630A (en) * | 2019-06-21 | 2019-09-17 | 深圳市三旺通信股份有限公司 | Serial server based on programmable logic device online acquisition serial interface signal |
| CN110245106A (en) * | 2019-06-21 | 2019-09-17 | 深圳市三旺通信股份有限公司 | The serial server of SCM Based online acquisition serial interface signal |
| CN110262342A (en) * | 2019-06-21 | 2019-09-20 | 深圳市三旺通信股份有限公司 | CAN Server Based on Online Acquisition of CAN Signal Based on Programmable Logic Device |
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| CN203673475U (en) * | 2013-11-08 | 2014-06-25 | 安徽康海时代科技有限公司 | Serial port server |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106682543A (en) * | 2016-12-23 | 2017-05-17 | 安徽康海时代科技股份有限公司 | RJ45 type serial server with redundant isolation protection effect |
| CN106845294A (en) * | 2016-12-23 | 2017-06-13 | 安徽康海时代科技股份有限公司 | RJ45 type serial servers with serial ports protection |
| CN107168914A (en) * | 2017-06-22 | 2017-09-15 | 安徽康海时代科技股份有限公司 | The serial server of RJ45 types 32 |
| CN107220203A (en) * | 2017-06-22 | 2017-09-29 | 安徽康海时代科技股份有限公司 | The double serial servers of net 32 of RJ45 types |
| CN107229313A (en) * | 2017-06-22 | 2017-10-03 | 安徽康海时代科技股份有限公司 | The serial server of four net eight with terminal |
| CN107229312A (en) * | 2017-06-22 | 2017-10-03 | 安徽康海时代科技股份有限公司 | Eight mouthfuls of band insulation blocking serial servers |
| CN107368157A (en) * | 2017-06-22 | 2017-11-21 | 安徽康海时代科技股份有限公司 | The serial server of double nets eight with terminal |
| CN107368861A (en) * | 2017-06-23 | 2017-11-21 | 芜湖恒天易开软件科技股份有限公司 | The system that can recognize that a variety of different vehicles in short-term |
| CN108710586A (en) * | 2018-05-18 | 2018-10-26 | 安徽康海时代科技股份有限公司 | Two serial servers with DTU functions |
| CN110244630A (en) * | 2019-06-21 | 2019-09-17 | 深圳市三旺通信股份有限公司 | Serial server based on programmable logic device online acquisition serial interface signal |
| CN110245106A (en) * | 2019-06-21 | 2019-09-17 | 深圳市三旺通信股份有限公司 | The serial server of SCM Based online acquisition serial interface signal |
| CN110262342A (en) * | 2019-06-21 | 2019-09-20 | 深圳市三旺通信股份有限公司 | CAN Server Based on Online Acquisition of CAN Signal Based on Programmable Logic Device |
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Application publication date: 20161207 |