CN1719428A - Interface device - Google Patents
Interface device Download PDFInfo
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- CN1719428A CN1719428A CN 200410062654 CN200410062654A CN1719428A CN 1719428 A CN1719428 A CN 1719428A CN 200410062654 CN200410062654 CN 200410062654 CN 200410062654 A CN200410062654 A CN 200410062654A CN 1719428 A CN1719428 A CN 1719428A
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- interface
- linkage unit
- veneer
- network interface
- modular converter
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Abstract
The present invention discloses an interface device used for providing communication interface for electronic equipment. It includes first connection unit, interface change-over unit and second connection unit. The described interface change-over unit is connected with first connection unit and second connection unit and is used for creating signal channels with first connection unit and second connection unit so as to implement change-over of interfaces. Said invention also provides its working principle and concrete working steps.
Description
Technical field
The present invention relates to the communications field and electronic applications, particularly relate to a kind of interface arrangement that is used to electronic equipments such as veneer that communication interface is provided.
Background technology
In the communications industry and electron trade, in order to guarantee the normal operation of system, usually need the veneer in the system is debugged, so that the actual functional capability of veneer meets the expection requirement of design.At present, the normal adjustment method that adopts is to set up being connected between data handling system such as computing machine and the veneer, by data handling systems such as computing machine visit veneer, realizes the data communication between the two, and finishes the debugging to veneer.
In the prior art,, often the interface circuit that is specifically designed to debugging need be set on veneer in order to realize the connection of veneer with data handling systems such as computing machines.What is called is specifically designed to debugging and refers to, and this interface circuit only just is used when the debugging veneer.Described interface circuit generally includes network port circuit or serial port circuit, and the interface circuit of each veneer is identical.
Seeing also Fig. 1, is the single plate structure synoptic diagram that has interface circuit in the prior art.Veneer 100 is provided with interface circuit, and described interface circuit comprises serial port chip 101, serial port connector 102 and network interface chip 104 and network interface connector 103.Serial port connector 102 that veneer has by self or network interface connector 103 can directly be connected with the serial ports or the network interface of data handling systems such as computing machine, thereby set up the data communication channel between the two, and finish the debugging to veneer.
In actual applications, the interface circuit that has owing to veneer self is commonly used in the debug process, and use is less when normal working of single board, thereby the probability that interface circuit damages is less.Therefore, when veneer was scrapped because of the damage of components and parts commonly used or be idle, the device in the interface circuit was intact often.These intact devices have caused great waste because of scrapping or leaving unused of veneer do not re-use.Like this, just make that interface circuit is set comes cost that veneer is debugged higher on veneer.
In addition, on the existing veneer a plurality of network interfaces or serial ports can be set.Yet, in actual debug process, only need use an interface usually, and other interfaces being left unused, this has caused waste equally.And, if on veneer, only be provided with network interface, and when using, reality needs serial ports, because network port circuit is soldered, can't be replaced by serial port circuit.Otherwise, as the same.Like this, just make in actual debug process, option interface at random, thus cause versatility relatively poor.
At present, for the versatility that improves interface circuit and reduce cost, the interface circuit that is provided with on the veneer is usually taked choosing weldering circuitry measures.Just, when producing veneer, can not weld some chip (for example serial port chip or network interface chip) earlier, but welding voluntarily according to actual needs in the course of the work, just weld the network interface chip when for example needing the network interface interface, just weld serial port chip when needing serial interface, so just improve the versatility of interface circuit, and saved cost effectively.
Although, can on veneer, design and install network interface and serial interface circuit in the prior art, realizing veneer, and then finish debugging to veneer with the connection between the data handling systems such as computing machine.But in actual applications, still there is following defective inevitably in said method:
One, the cost height.Owing to need debug, therefore, just need on each veneer, be provided for the interface circuit that connects with data handling systems such as computing machines, and then finish the debug process of data handling system such as computing machine veneer to each veneer in the system.Because the interface circuit on each veneer is identical, it is higher to make on veneer design and mounting interface circuit debug the cost of veneer.In addition, although veneer can adopt the measure of choosing weldering circuit when the design and installation interface circuit, existing choosing is welded circuit often only at chip, and not at capacitance resistance ware.And in the practical application, be exclusively used in and have a large amount of capacitance resistance wares in the interface circuit of debugging single board, and wherein a lot of capacitance resistance ware is not utilized, and this has wasted resource equally, causes cost higher.
Its two, reliability is low.Because the structure of veneer and the restriction of size, in actual the use on the veneer density of components and parts higher.In this case, if also need on veneer, design complete network interface or serial interface circuit, can make that then this nervous wiring space is more nervous.Like this, too Jin Zhang wiring space and too compact components and parts layout tend to cause the phase mutual interference between the components and parts, thereby make that the reliability of veneer is lower.
Its three, debugging efficiency is lower.Owing to design on the veneer, interface circuit is installed,, often need debug described interface circuit early stage in the exploitation of veneer in order to guarantee the correctness of this interface circuit design.Be the correctness of each single board interface circuit in the assurance system, just need all debug that this will make that the efficient of whole debug process is lower to the interface circuit of each veneer.
The 4th, the construction cycle is long.In the prior art, exploitation early stage need be on veneer the design and installation interface circuit, in case mistake appears in interface circuit design, will cause veneer normally not use, and need correcting, thereby prolong the construction cycle.
Summary of the invention
The technical matters that the present invention solves is: a kind of interface arrangement is provided, is used to reduce cost, improve the reliability and the debugging efficiency of veneer, and shorten the construction cycle.
For this reason, the technical scheme of technical solution problem of the present invention is:
A kind of interface arrangement is provided, has been used to electronic equipment that communication interface is provided, having comprised: first linkage unit, interface conversion unit and second linkage unit; Described interface conversion unit is connected with second linkage unit with first linkage unit, be used to set up signalling channel with first linkage unit and second linkage unit, and the conversion of realization interface: receive signal from first linkage unit, be converted into the signal that data handling system can be discerned, and export second linkage unit to, perhaps receive signal, be converted into the signal that electronic equipment can be discerned, and export first linkage unit to from second linkage unit; Described first linkage unit is used to connect electronic equipment, and sets up with the signalling channel between the electronic equipment; Described second linkage unit is used to connect data handling system, and sets up with the signalling channel between the data handling system.
Described interface conversion unit comprises serial ports modular converter and/or network interface modular converter, interface peripherals circuit.
Described serial ports modular converter is serial ports modular converter or the serial port chip that discrete component is formed.
Described network interface modular converter is network interface modular converter or the network interface chip that discrete component is formed.
Described interface peripherals circuit comprises capacitance resistance ware.
Described interface peripherals circuit also comprises holding circuit and/or net mouth transformer.
The compatible international network interface agreement of described network interface modular converter or can realize the function of Physical layer.
The compatible international network interface agreement of described network interface chip or can realize the function of Physical layer.
Described first linkage unit comprises buckle form connector or cable form connector.
Described second linkage unit comprises network interface socket that is connected with the data handling system network interface and/or the serial ports socket that is connected with the data handling system serial ports.
With respect to prior art, the invention has the beneficial effects as follows:
The first, cost is lower.Because interface arrangement provided by the invention is independent of outside the veneer, therefore, adopt interface arrangement provided by the invention to come veneer is debugged, only need the connector that be connected with first linkage unit in this interface arrangement be set on each veneer and get final product, and need not on veneer, to be provided with the interface circuit that is specifically designed to debugging single board.In the debug process, a plurality of veneers can use same interface arrangement in turn.Therefore, compare with prior art, cost is lower.
The second, reliability is higher.Adopt interface arrangement provided by the invention that veneer is debugged, only the connector that is connected with first linkage unit in this interface arrangement need be set on veneer gets final product, need not to be provided with other devices, thereby saved the arrangement space of veneer greatly, reduced the layout density of components and parts, thereby reduced the interference between the components and parts, improved the reliability of veneer.
The 3rd, debugging efficiency is higher.Interface arrangement provided by the invention is independent of outside the veneer.Adopt interface arrangement provided by the invention that veneer is debugged, only need debug interface arrangement in advance and get final product, and need not, the interface circuit on each veneer is all debugged as prior art.Therefore, improved debugging efficiency.
The 4th, the construction cycle is short.Interface arrangement provided by the invention is independent of outside the veneer, as long as the circuit design of veneer is no problem, if the design error appears in interface arrangement provided by the invention, then only needs redesign, debugs this interface circuit and get final product, and need not veneer is carried out correcting.Thereby, compare with prior art, adopt interface arrangement provided by the invention to come veneer is debugged, shortened the construction cycle.
Description of drawings
Fig. 1 is the single plate structure synoptic diagram that has interface circuit in the prior art;
Fig. 2 is an interface arrangement theory diagram of the present invention;
Fig. 3 is the theory diagram of the interface conversion unit of interface arrangement of the present invention;
Fig. 4 is a better embodiment principle schematic of interface arrangement of the present invention;
Fig. 5 is the combination synoptic diagram of interface arrangement of the present invention and veneer.
Embodiment
See also Fig. 2, interface arrangement provided by the invention comprises first linkage unit 210, interface conversion unit 220 and second linkage unit 230.
Wherein, interface conversion unit 220 connects first linkage unit 210 and second linkage unit 230 respectively.First linkage unit 210 is used to connect veneer, and the passage that carries out data interaction with veneer is provided.Interface conversion unit 220 is used to realize the conversion of interface: will be the signal of data handling system identification from the conversion of signals of veneer, perhaps will be the signal of veneer identification from the conversion of signals of data handling system.Second linkage unit 230 is used to connect data handling system, and the passage that carries out data interaction with data handling system is provided.
When using interface arrangement provided by the invention veneer being debugged, veneer connects with first linkage unit 210 of interface arrangement, and second linkage unit 230 of interface arrangement links to each other with the interface of data handling system.Electric signal from data handling system enters interface conversion unit 220 by second interface unit 230 that connects the data handling system interface, and in interface conversion unit 220, be converted to the electric signal that veneer CPU can discern, and be sent to veneer by first interface conversion unit 210.The electric signal that veneer sends enters interface conversion unit 220 through first interface unit 210, be converted to the electric signal that data handling system can be discerned by interface conversion unit 220, and be sent to data handling system by second interface unit 230 that connects the data handling system interface.Like this, just can realize data handling system with the data interaction between the veneer by interface arrangement, thereby can debug veneer.
It is pointed out that described data handling system can be a computing machine, also can be other data handling systems such as workstation, single-chip microcomputer.
See also Fig. 3, interface conversion unit comprises interface modular converter 421, interface peripherals circuit 422.Wherein, in the present embodiment, data handling system is a computing machine.Interface modular converter 421 is used to realize the conversion of interface, just, will be the signal that computing machine can be discerned from the conversion of signals of veneer, will be the signal that veneer can be discerned from the conversion of signals of computing machine perhaps.Interface peripherals circuit 422 comprises capacitance resistance ware.
In actual use, according to the interface type that computing machine provides, interface modular converter 421 can be the network interface modular converter, also can be the serial ports modular converter.Just, the network interface modular converter can be signal that computing machine can be discerned, that meet international network interface agreement with the conversion of signals from veneer, will be the signal that veneer can be discerned from conversion of signals computing machine, that meet international network interface agreement perhaps.The serial ports modular converter can be signal that computing machine can be discerned, that satisfy RS232 serial ports level with the conversion of signals from veneer, will be the signal that veneer can be discerned from the conversion of signals of computing machine perhaps.
In actual applications, network interface modular converter executive's interface translation function also is simultaneously a module carrying out the physical layer transceiver function.Among network seven layer protocols, nethermost two-layer be " data link layer " and " Physical layer ", wherein " data link layer " includes " LLC (Logical Link Control; logic link control) layer " and " MAC (Medium Access Control; medium Access Control) layer " again, the LLC layer is in high level, is the MAC layer under it, and the most the lower layer of is Physical layer.For interface arrangement provided by the invention, the network interface modular converter can be realized the function of Physical layer, and veneer CPU can realize the function of MAC layer.Therefore, in actual applications, the present invention not only is applied to have the veneer of CPU, also can be applied to CPU is not set and the veneer that is provided with special-purpose MAC layer chip.In fact, the veneer that is provided with special-purpose MAC layer chip can dock with the network interface modular converter by special-purpose MAC layer chip communicates by letter, and like this, also just can realize the debugging of veneer.
It is pointed out that interface modular converter 421 can be integrated interface chip, also can be the module that can realize the discrete component composition of identical function.In actual use, the network interface modular converter can adopt network interface chip LXT971, the LXT905 etc. of INTEL Corp..Certainly, also can adopt the network interface chip of other other models of company,, perhaps, have the physical layer transceiver function and get final product as long as can compatible international network interface agreement.Can adopt the serial port chip (for example, MAX232, MAX3232 etc.) of MAXIM company for the serial ports modular converter.Certainly, also can adopt the serial port chip of other company, other models, as long as can realize the serial ports conversion.
Further it is to be noted, in actual applications, a network interface modular converter or serial ports modular converter and interface peripherals circuit thereof can only be set in interface arrangement of the present invention, also can be provided with network interface modular converter and serial ports modular converter and interface peripherals circuit thereof simultaneously.
Seeing also Fig. 4, is the principle schematic of a better embodiment of interface arrangement of the present invention.In the present embodiment, data handling system is a computing machine.Interface arrangement of the present invention provides network interface interface and serial interface simultaneously, just, is provided with network interface modular converter and serial ports modular converter and interface peripherals circuit thereof simultaneously.
Wherein, first interface unit 210 comprises the connector that connects veneer.
In actual use, the serial interface peripheral circuit comprises capacitance resistance ware and the serial ports holding circuit that ensures serial ports modular converter 327 operate as normal.Network interface interface peripherals circuit 324 comprises capacitance resistance ware, can also comprise transformer and holding circuit.Wherein, transformer has played isolation, protection, jamproof effect; Holding circuit is used to ensure the operate as normal of network interface modular converter 328.
It is pointed out that second linkage unit not only is confined to RJ48 socket or contact pin in actual applications, also can be other forms of serial ports or network interface socket (for example, RJ45 socket or contact pin etc.).
Seeing also Fig. 5, is the combination synoptic diagram of interface arrangement of the present invention and veneer.In the present embodiment, data handling system is a computing machine, and veneer 100 links to each other by flat cable 211 with interface arrangement 200.
Have the socket 103 that is connected with flat cable 211 on the veneer 100.
Veneer 100 and interface arrangement 200 can be coupled together by flat cable 211, the serial interface 231 that veneer 100 just can provide by interface arrangement, network interface interface 232 have carried out data transmission with computing machine.Like this, just can come veneer 100 expectation functions have been debugged by computing machine.
It is pointed out that between veneer 100 and the interface arrangement of the present invention 200 and can realize, also can adopt other cable form connectors to realize connecting by the flat cable that adopts in the present embodiment; Can also adopt the buckle form connector of no line directly to connect, the female socket promptly is set on veneer 100, first interface unit 210 of interface arrangement 200 is provided with the male plug, in test process, directly the male plug is plugged on the female socket, thereby has realized the connection between veneer 100 and the interface arrangement 200.Certainly, in actual applications,, and not only be confined to above-mentioned setting and connected mode on veneer 100 and interface arrangement 200 as long as the plug or the socket that are provided with cooperatively interact.
Being understandable that, is the situation of interface provided by the board when interface arrangement provided by the invention not only is used to debug veneer, is the situation of interface provided by the board in the time of can also being applied in testing single-board.Just, when veneer goes wrong and needs the test coherent signal, and when carrying out positioning problems, can use interface arrangement provided by the invention and assist test.So-called assistance test refers to, interface arrangement provided by the invention can play the effect of interface, or the approach that provides man-machine interface to talk with, promptly can be to the veneer transmitting order to lower levels by this device, and (for example by other testing tools or testing tool, oscillograph, logic analyser etc.) veneer is tested, thus the location of problem of implementation.
Certainly, interface arrangement provided by the invention also not only is applied in the above-mentioned embodiment to connect the situation of veneer and computing machine, can also be used for being connected between veneer and the veneer.Just, by interface arrangement provided by the invention, connect the veneer that need communicate.Because described interface arrangement is followed ICP/IP protocol, so can realize two communications between the veneer very easily.
Further be understandable that, interface arrangement provided by the invention not only is used to veneer that communication interface is provided, (for example can also be used to other electronic equipments that need interface, testing tools such as oscillograph) provide communication interface, as long as first linkage unit that docks with interface arrangement of the present invention is set on this electronic equipment.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an interface arrangement is used to electronic equipment that communication interface is provided, and it is characterized in that, comprising: first linkage unit, interface conversion unit and second linkage unit;
Described interface conversion unit is connected with second linkage unit with first linkage unit, be used to set up signalling channel with first linkage unit and second linkage unit, and the conversion of realization interface: receive signal from first linkage unit, be converted into the signal that data handling system can be discerned, and export second linkage unit to, perhaps receive signal, be converted into the signal that electronic equipment can be discerned, and export first linkage unit to from second linkage unit;
Described first linkage unit is used to connect electronic equipment, and sets up with the signalling channel between the electronic equipment;
Described second linkage unit is used to connect data handling system, and sets up with the signalling channel between the data handling system.
2. interface arrangement according to claim 1 is characterized in that, described interface conversion unit comprises serial ports modular converter and/or network interface modular converter, interface peripherals circuit.
3. interface arrangement according to claim 2 is characterized in that, described serial ports modular converter is serial ports modular converter or the serial port chip that discrete component is formed.
4. interface arrangement according to claim 2 is characterized in that, described network interface modular converter is network interface modular converter or the network interface chip that discrete component is formed.
5. interface arrangement according to claim 2 is characterized in that, described interface peripherals circuit comprises capacitance resistance ware.
6. interface arrangement according to claim 5 is characterized in that, described interface peripherals circuit also comprises holding circuit and/or net mouth transformer.
7. interface arrangement according to claim 4 is characterized in that, the compatible international network interface agreement of described network interface modular converter or can realize the function of Physical layer.
8. interface arrangement according to claim 4 is characterized in that, the compatible international network interface agreement of described network interface chip or can realize the function of Physical layer.
9. according to each described interface arrangement in the claim 1 to 8, it is characterized in that described first linkage unit comprises buckle form connector or cable form connector.
10. according to each described interface arrangement in the claim 1 to 8, it is characterized in that described second linkage unit comprises network interface socket that is connected with the data handling system network interface and/or the serial ports socket that is connected with the data handling system serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100626543A CN100349152C (en) | 2004-07-08 | 2004-07-08 | Interface device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100626543A CN100349152C (en) | 2004-07-08 | 2004-07-08 | Interface device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719428A true CN1719428A (en) | 2006-01-11 |
| CN100349152C CN100349152C (en) | 2007-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100626543A Expired - Fee Related CN100349152C (en) | 2004-07-08 | 2004-07-08 | Interface device |
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| Country | Link |
|---|---|
| CN (1) | CN100349152C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609385A (en) * | 2010-11-29 | 2012-07-25 | 夏普株式会社 | Electronic equipment system, electronic equipment and connecting device |
| CN102722459A (en) * | 2011-03-11 | 2012-10-10 | 夏普株式会社 | Electronic equipment system, electronic equipment and connection equipment |
| CN102110067B (en) * | 2009-12-29 | 2013-12-25 | 深圳市金博联电力技术有限公司 | Highly reliable RS232/RS485/RS422 mixing module for electric power FTU |
| CN108491339A (en) * | 2018-03-28 | 2018-09-04 | 联想(北京)有限公司 | A kind of signal processing method and electronic equipment |
| WO2021068375A1 (en) * | 2019-10-12 | 2021-04-15 | 广东浪潮大数据研究有限公司 | Electromagnetic compatibility circuit having double-layer network port, and server |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5864486A (en) * | 1996-05-08 | 1999-01-26 | Lattice Semiconductor Corporation | Method and apparatus for in-system programming of a programmable logic device using a two-wire interface |
| US6718424B1 (en) * | 1999-12-10 | 2004-04-06 | Intel Corporation | Bridge circuit for use in a computing platform |
| CN1176418C (en) * | 2001-07-24 | 2004-11-17 | 纬创资通股份有限公司 | Hand-held data processor and its outer signal transmission method |
-
2004
- 2004-07-08 CN CNB2004100626543A patent/CN100349152C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110067B (en) * | 2009-12-29 | 2013-12-25 | 深圳市金博联电力技术有限公司 | Highly reliable RS232/RS485/RS422 mixing module for electric power FTU |
| CN102609385A (en) * | 2010-11-29 | 2012-07-25 | 夏普株式会社 | Electronic equipment system, electronic equipment and connecting device |
| CN102722459A (en) * | 2011-03-11 | 2012-10-10 | 夏普株式会社 | Electronic equipment system, electronic equipment and connection equipment |
| CN108491339A (en) * | 2018-03-28 | 2018-09-04 | 联想(北京)有限公司 | A kind of signal processing method and electronic equipment |
| WO2021068375A1 (en) * | 2019-10-12 | 2021-04-15 | 广东浪潮大数据研究有限公司 | Electromagnetic compatibility circuit having double-layer network port, and server |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100349152C (en) | 2007-11-14 |
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