CN205584242U - Communication switching interface and communication equipment - Google Patents
Communication switching interface and communication equipment Download PDFInfo
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- CN205584242U CN205584242U CN201620228825.3U CN201620228825U CN205584242U CN 205584242 U CN205584242 U CN 205584242U CN 201620228825 U CN201620228825 U CN 201620228825U CN 205584242 U CN205584242 U CN 205584242U
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Abstract
The utility model relates to an interface and communications facilities are switched in communication. The communication switching interface includes: the device comprises a switch module and a communication protocol conversion module, wherein the switch module is provided with a first communication protocol first input end, a first communication protocol second input end and a first communication protocol first output end; the communication protocol conversion module is provided with a second communication protocol input end and a first communication protocol second output end; the first communication protocol second output end is connected with the first communication protocol second input end; the second input end of the first communication protocol is connected with the first output end of the first communication protocol through a first switching device. Correspondingly, the utility model also discloses a communication equipment. Adopt the utility model discloses, can realize that the port is multiplexing, and the input that provides is that physics is kept apart, can not lead to communication in disorder.
Description
Technical field
This utility model relates to electronic technology field, is specifically related to a kind of communication switching interface and communication equipment.
Background technology
Communication equipment energy and the communication realized between equipment between several functions, conventional method has two kinds:
The first scheme is: for communication equipment (main equipment) and between equipment each function (based on
Each communication protocol) communication, be respectively provided with a COM1；Such as, as it is shown in figure 1, communication sets
Standby provide and the debugging communication between equipment and upgrade communication, then communication equipment uses two-way communication port,
Carry out debugging communication and upgrade communication respectively.
First scheme is: for communication equipment and the communication of the several functions between equipment, only arrange one
Individual COM1, however it is necessary that the integration carrying out communication protocol, such as, as in figure 2 it is shown, communication equipment
There is provided and the debugging communication between equipment and upgrade communication, then communication equipment uses a-road-through letter passage, enters
Row debugging communication and upgrade communication, be one address of communication definitions of difference in functionality in communication protocol, different
Address corresponding different from equipment, communication equipment realizes different operations for different addresses, it is achieved end
Mouth multiplexing.
But inventor is when implementing this utility model, find that such scheme exists following defect:
For the first scheme, needing the processor of communication equipment to provide the COM1 of multiple functions, this takes
Certainly whether there are enough COM1s in processor.
For first scheme, take the memory source of communication equipment, increase the complexity that software realizes, and
And for being different from equipment from the port communication agreement of communication equipment and cannot revise, then should be from equipment
This common port cannot be used to communicate with communication equipment.It addition, because data transmit only one of which passage,
The most do not isolate, multiple data entanglement or system can be caused when sending data from equipment to hang up simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of communication switching interface and communication equipment, it is achieved multiplexed port,
And the input provided is physically-isolated, it is not result in the entanglement that communicates.
For solving above technical problem, this utility model embodiment provides one communication switching interface, including:
Switch module and communication Protocol Conversion module, described switch module have the first communication protocol first input end,
First communication protocol the second input and first communication protocol the first outfan；Described communication Protocol Conversion module
There is the second communication protocol input and first communication protocol the second outfan；
Described first communication protocol the second outfan is connected with described first communication protocol the second input；Described
First communication protocol the second input is by the first switching device with described first communication protocol the first outfan even
Connect；
Described first communication protocol first input end possesses input with described first communication protocol first for connection
Hold same communication protocol outfan from equipment；
Described second communication protocol input possesses same with described second communication protocol input logical for connection
Letter agreement outfan from equipment；
Described first communication protocol the first outfan possesses export with described first communication protocol first for connection
Hold the main equipment of the input of same communication protocol.
Further, described first communication protocol first input end is socket, and described first switching device is bullet
Sheet switchs, and is embedded in described receptacle interior；
Described elastic sheet switch is for the Guan Bi switch when described socket does not inserts from equipment；Described elastic sheet switch
It is additionally operable to when described socket has and inserts from equipment open switch.
Further, described switch module also includes second switch device；Described second switch device includes
One switch terminals and second switch end；
Described first switch terminals is for connecting the detection input of main equipment, and described second switch end is connected to ground.
Further, described second switch device is elastic sheet switch, the second switch of described second switch device
End is shell fragment end；
Described elastic sheet switch is for the Guan Bi switch when described socket does not inserts from equipment；Described elastic sheet switch
It is additionally operable to when described socket has and inserts from equipment open switch.
Yet further, described communication switching interface also includes pull-up resistor, one end of described pull-up resistor with
First switch terminals of described second switch device connects, and the other end of described pull-up resistor is connected with DC source.
Correspondingly, this utility model provides a kind of communication equipment, including communication switching interface and main equipment, institute
First communication protocol the first outfan stating communication switching interface connects communicating with described first of described main equipment
The input of the same communication protocol of agreement the first outfan；
Described communication switching interface is the communication switching interface in above-described embodiment.
And, this utility model provides a kind of communication equipment, including communication switching interface and main equipment, described
Communication switching interface first communication protocol the first outfan connect described main equipment with described first communication protocols
Discuss the input of the first same communication protocol of outfan；The of the second switch device of described communication switching interface
One switch terminals connects the detection input of described main equipment；
The above-mentioned communication switching interface possessing second switch device of described communication switching interface.
Compared to prior art, the beneficial effect of a kind of communicate switching interface and communication equipment of the present utility model
It is: the input of two kinds of different communication protocol is provided and uses the outfan of same communication protocol, can Ying Yu
The main equipment of a kind of communication protocol, makes the main equipment can be with the entering from equipment of multiple different communication protocol interface
Row communication, it is achieved multiplexed port, it is not necessary to the software of main equipment is modified, and, in two inputs
One input is connected with outfan by switching device, can realize the physical isolation between two inputs,
It is not result in the entanglement that communicates.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment that the communication equipment of prior art communicates with from equipment；
Fig. 2 is the structural representation of another embodiment that the communication equipment of prior art communicates with from equipment；
Fig. 3 is the structural representation of an embodiment of the communication equipment that this utility model provides；
Fig. 4 is the structural representation of an embodiment of the communication system that this utility model provides；
Fig. 5 is the structural representation of another embodiment of the communication system that this utility model provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
Refer to Fig. 3, be the structural representation of an embodiment of the communication equipment that this utility model provides；Should
Communication equipment includes the switching interface A and main equipment MCU that communicates；
Described communication switching interface A, including switch module 10 and communication Protocol Conversion module 20, described in open
Close module 10 and there is first communication protocol first input end the 11, first communication protocol the second input 12 and the
One communication protocol the first outfan 13；In this utility model, described first communication protocol first input end 11
For socket, described switch module 10 also includes that the first switching device M1, described first switching device M1 are
Elastic sheet switch, and it is internal to be embedded in described socket 11；The Guan Bi when described socket 11 does not inserts from equipment
Described elastic sheet switch M1, keeps first communication protocol the second input 12 and the first communication protocol first to export
The connection of end 13；When described socket 11 has and inserts from equipment, described elastic sheet switch M1 disconnects.And
This one end being connected with first communication protocol the first outfan 13 in described elastic sheet switch M1 after switching off is
Shell fragment end, and be used in and be connected with the plug from equipment inserted.
Described communication Protocol Conversion module 20 has the second communication protocol input 21 and the first communication protocol
Two outfans 22；Described first communication protocol the second outfan 22 and described first communication protocol the second input
12 connect；
First communication protocol first outfan 13 of described communication switching interface A connects described main equipment MCU
The input Main-Port with the described first same communication protocol of communication protocol the first outfan 13.
It should be noted that the input Main-Port of main equipment MCU is by communication switching interface AA's
Elastic sheet switch M1, acquiescence is connected with first communication protocol the second outfan 22 of communication Protocol Conversion module 20,
For being connected with communication Protocol Conversion module 20, then possess the inserting from equipment of outfan of the second communication protocol
Enter this communication Protocol Conversion module 20, (led to based on first by the input Main-Port of main equipment MCU
Letter protocol communication) communicate with main equipment MCU.And when possessing the outfan of the first communication protocol from equipment
Plug insert above-mentioned socket 11 time, elastic sheet switch M1 disconnects, the shell fragment end of elastic sheet switch M1 with
Insert plug be connected, then main equipment MCU be not connected with communication Protocol Conversion module 20 from equipment
Communicate, but with above-mentioned socket 11 inserted from equipment time communicate, thus reach main equipment
The multiplexed port of MCU, and the physical isolation between two inputs can be realized, it is not result in the entanglement that communicates.
During it addition, be embodied as, can arrange above-mentioned first switching device M1 is two or more elastic sheet switch,
Annexation between each elastic sheet switch is identical with the annexation of only one of which elastic sheet switch, at this not
Repeat again.
It is main with common that the communication switching interface A of communication equipment of the present utility model has two different inputs
One communication port of equipment MCU:
Described first communication protocol first input end 11 possesses defeated with described first communication protocol first for connection
Enter end 11 same communication protocols outfan from equipment；
Described second communication protocol input 21 possesses and described second communication protocol input 21 for connection
The outfan of same communication protocol from equipment.
As further improvement of the utility model, described switch module 10 also includes second switch device M2；
Described second switch device M2 includes the first switch terminals m1 and second switch end m2；
Described first switch terminals m1 is for connecting the detection input DET of main equipment MCU, and described second opens
Close end m2 to be connected to ground.
Described second switch device M2 is elastic sheet switch, the second switch end of described second switch device M2
M2 is shell fragment end；
Described elastic sheet switch M2 is for the Guan Bi switch when described socket 11 does not inserts from equipment；Described bullet
Sheet switch M2 is additionally operable to when described socket 11 has and inserts from equipment open switch.
Described communication equipment also includes pull-up resistor R, one end of described pull-up resistor R and described second switch
First switch terminals m1 of device M2 connects, and the other end of described pull-up resistor R is with DC source Vcc even
Connect.
In default situations, above-mentioned socket 11 is when equipment does not inserts, as described second switch device
The elastic sheet switch of M2 remains closed, and the insertion test side of main equipment MCU is connected to ground by elastic sheet switch,
Can detect that low level, now main equipment MCU can determine that this socket 11 does not insert from equipment, keep with
Communication Protocol Conversion module 20 connects.When socket 11 has and inserts from equipment, this elastic sheet switch can be by from setting
Standby plug backs down, and flicks and switches off and the connection on ground, the now detection input DET of main equipment MCU
Detect that high level, main equipment MCU can determine that this socket 11 has and insert from equipment by pull-up resistor R.
It addition, pull-up resistor may be provided in communication switching interface A, it is possible to be arranged in main equipment MCU, and
It is connected with detection input DET, in this embodiment, it is preferred that, pull-up resistor is arranged on communication switching
In interface A.
Below in conjunction with Fig. 4 and Fig. 5, with from equipment for the host computer of band USB interface with without USB interface
Embedded host as from equipment, communication equipment includes above-mentioned communication switching interface A and main equipment MCU,
And first communication protocol of this communication switching interface A be RS232, the second communication protocol be usb protocol, logical
Letter protocol conversion module 20 turns serial port module to illustrate communication switching interface A of the present utility model for USB
Operation principle:
Wherein, Fig. 4 is the structural representation of an embodiment of the communication system that this utility model provides, Fig. 5
It it is the structural representation of another embodiment of the communication system that this utility model provides.
As shown in Figure 4, when host computer B and main equipment MCU communicates, due to main equipment MCU only
Can be based on RS232 communication protocol communication, and host computer B typically no RS232 mouth, but have USB port,
Serial port chip driver can be turned, by using USB line, directly by host computer B by USB
USB port turn serial port module 20 be connected with the USB of communication switching interface A, and communicate switching interface A's
RS232 delivery outlet is connected with main equipment MCU, thus realizes host computer B and main equipment MCU and carry out base
Communication in RS232 communication protocol.
During as it is shown in figure 5, embedded host C and main equipment MCU communicates, general embedded master
The general not tape operation system of machine C, uses embedded program (such as 51 single-chip microcomputers), without USB port, or
There is USB port but USB cannot be installed and turn the driving (such as the ARM mainboard of STM32) of serial port chip, now
Without being connected with main equipment MCU by the USB port of communication switching interface A, but this kind of embedded host
On C plate all with RS232 serial ports, can be directly by the RS232 serial ports of embedded host C and the switching that communicates
The socket 11 of interface A connects, and can be connected with main equipment MCU, and communication switching interface A is disconnected simultaneously
With the connection that USB turns serial port module 20, such embedded host C directly can communicate with from equipment,
And be disconnected by communication switching interface A and to turn the connection of serial port module 20 with USB, do not affect embedded
Host C directly can communicate with from equipment.
Compared to prior art, the beneficial effect of a kind of communicate switching interface and communication equipment of the present utility model
It is: the input of two kinds of different communication protocol is provided and uses the outfan of same communication protocol, can Ying Yu
The main equipment of a kind of communication protocol, makes the main equipment can be with the entering from equipment of multiple different communication protocol interface
Row communication, it is achieved multiplexed port, it is not necessary to the software of main equipment is modified, and, in two inputs
One input is connected with outfan by switching device, can realize the physical isolation between two inputs,
It is not result in the entanglement that communicates.
The above is preferred implementation of the present utility model, it is noted that general for the art
For logical technical staff, on the premise of without departing from this utility model principle, it is also possible to make some improvement and
Retouching, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (7)
1. a communication switching interface, it is characterised in that including: switch module and communication Protocol Conversion module, described switch module has the first communication protocol first input end, first communication protocol the second input and first communication protocol the first outfan；Described communication Protocol Conversion module has the second communication protocol input and first communication protocol the second outfan；
Described first communication protocol the second outfan is connected with described first communication protocol the second input；Described first communication protocol the second input is connected with described first communication protocol the first outfan by the first switching device；
Described first communication protocol first input end for connect possess outfan with the described first same communication protocol of communication protocol first input end from equipment；
Described second communication protocol input for connect possess outfan with the described second same communication protocol of communication protocol input from equipment；
Described first communication protocol the first outfan possesses the main equipment of the input with the described first communication protocol same communication protocol of the first outfan for connecting.
Communicate switching interface the most as claimed in claim 1, it is characterised in that described first communication protocol first input end is socket, and described first switching device is elastic sheet switch, and is embedded in described receptacle interior；
Described elastic sheet switch is for the Guan Bi switch when described socket does not inserts from equipment；Described elastic sheet switch is additionally operable to when described socket has and inserts from equipment open switch.
Communicate switching interface the most as claimed in claim 2, it is characterised in that described switch module also includes second switch device；Described second switch device includes the first switch terminals and second switch end；
Described first switch terminals is for connecting the detection input of main equipment, and described second switch end is connected to ground.
Communicate switching interface the most as claimed in claim 3, it is characterised in that described second switch device is elastic sheet switch, and the second switch end of described second switch device is shell fragment end；
Described elastic sheet switch is for the Guan Bi switch when described socket does not inserts from equipment；Described elastic sheet switch is additionally operable to when described socket has and inserts from equipment open switch.
Communicate switching interface the most as claimed in claim 4, it is characterized in that, described communication switching interface also includes that pull-up resistor, one end of described pull-up resistor are connected with the first switch terminals of described second switch device, and the other end of described pull-up resistor is connected with DC source.
6. a communication equipment, it is characterised in that include communicate switching interface and main equipment, first communication protocol the first outfan of described communication switching interface connects the input with the described first communication protocol same communication protocol of the first outfan of described main equipment；
Described communication switching interface is the communication switching interface described in claim 1 or 2.
7. a communication equipment, it is characterised in that include communicate switching interface and main equipment, first communication protocol the first outfan of described communication switching interface connects the input with the described first communication protocol same communication protocol of the first outfan of described main equipment；First switch terminals of the second switch device of described communication switching interface connects the detection input of described main equipment；
Described communication switching interface is the communication switching interface described in any one of claim 3 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228825.3U CN205584242U (en) | 2016-03-22 | 2016-03-22 | Communication switching interface and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228825.3U CN205584242U (en) | 2016-03-22 | 2016-03-22 | Communication switching interface and communication equipment |
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| Publication Number | Publication Date |
|---|---|
| CN205584242U true CN205584242U (en) | 2016-09-14 |
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|---|---|---|---|
| CN201620228825.3U Active CN205584242U (en) | 2016-03-22 | 2016-03-22 | Communication switching interface and communication equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347082A (en) * | 2018-10-31 | 2019-02-15 | Oppo广东移动通信有限公司 | A kind of anti-static device, terminal and method |
| CN110515867A (en) * | 2019-09-09 | 2019-11-29 | 中山市天启智能科技有限公司 | A kind of cluster core board USB mode automatic switching method and route |
-
2016
- 2016-03-22 CN CN201620228825.3U patent/CN205584242U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347082A (en) * | 2018-10-31 | 2019-02-15 | Oppo广东移动通信有限公司 | A kind of anti-static device, terminal and method |
| CN109347082B (en) * | 2018-10-31 | 2020-09-15 | Oppo广东移动通信有限公司 | Anti-static device, terminal and method |
| CN110515867A (en) * | 2019-09-09 | 2019-11-29 | 中山市天启智能科技有限公司 | A kind of cluster core board USB mode automatic switching method and route |
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