CN206004700U - A kind of protocol converter - Google Patents
A kind of protocol converter Download PDFInfo
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- CN206004700U CN206004700U CN201621063417.3U CN201621063417U CN206004700U CN 206004700 U CN206004700 U CN 206004700U CN 201621063417 U CN201621063417 U CN 201621063417U CN 206004700 U CN206004700 U CN 206004700U
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- China
- Prior art keywords
- module
- communication module
- power supply
- isolation module
- signal isolation
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Abstract
The utility model discloses a kind of protocol converter, the control end of microprocessor is connected with first communication module by the first signal isolation module respectively, it is connected with second communication module by secondary signal isolation module, power supply module separates two feeder ears (i.e. two independent current sources) by power isolation module, one feeder ear is that microprocessor, the first signal isolation module and secondary signal isolation module are powered, and another feeder ear is first communication module and second communication module is powered.It can thus be appreciated that, this utility model is realized main power source by power isolation module and is powered the isolation between equipment, realize the isolation between signal by signal isolation module, therefore when multichannel data mutually transmits in protocol converter, each transmission data not easily passs through power line and produces transmission interference, thus improve the capacity of resisting disturbance of protocol converter.
Description
Technical field
This utility model is related to technical field of industrial control, in particular, is related to a kind of protocol converter.
Background technology
Protocol converter referred to as association turns, and is also interface convertor, and it can make to be in communication network using different upper-layer protocols
Main frame realize work in coordination, complete various Distributed Application.
In existing protocol converter, microprocessor respectively with ethernet interface module, CAN (Controller Area
Network, controller local area network) bus communication module and 485 communication modules connect, are used for realizing Ethernet protocol, CAN association
The conversion negotiated peace between 485 agreements, power supply module is used for as microprocessor, ethernet interface module, CAN communication mould
Block and 485 communication modules are powered.
Because each operational module in protocol converter is all connected with power supply module, therefore each operational module is in power supply
Actual isolation is not realized at end, and when multichannel data mutually transmits in protocol converter, each transmission data is easily led to
Cross power line transmission interference.Therefore, existing protocol transducer haves the shortcomings that capacity of resisting disturbance is not strong.
Utility model content
In view of this, this utility model discloses a kind of protocol converter, to realize carrying of protocol converter capacity of resisting disturbance
High.
A kind of protocol converter, including：Microprocessor, power supply module, power isolation module, at least two communication moulds
Block and at least two signal isolation modules, wherein, described two communication modules are respectively：First communication module and the second communication mould
Block, described first communication module and described second communication module receive the signal of different communication protocol, described two signal isolations
Module is respectively：First signal isolation module and secondary signal isolation module；
The input of described power isolation module is connected with described power supply module, and the first of described power isolation module
Feeder ear is connected with described microprocessor, described first signal isolation module and described secondary signal isolation module respectively, described
Second feeder ear of power isolation module is connected with described first communication module and described second communication module respectively；
The control end of described microprocessor is respectively by described first signal isolation module with described first communication module even
Connect, be connected with described second communication module by described secondary signal isolation module, described control end is used for described in output control
The conversion instruction of conversion between first communication module and described second communication module, and control described first signal isolation module
The switching command of power switching and described secondary signal isolation module between.
Preferably, described first signal isolation module includes photoisolator.
Preferably, described secondary signal isolation module includes photoisolator.
Preferably, described first communication module is ethernet interface module, CAN communication module and 485 communication modules
In any one.
Preferably, described second communication module is ethernet interface module, CAN communication module and 485 communication modules
In any one.
Preferably, also include：
It is connected with described microprocessor, for storing the memory module of the data needed for described microprocessor operation program.
Preferably, described power isolation module includes：Switching Power Supply.
Preferably, described Switching Power Supply is one or more；
When described Switching Power Supply is multiple, each described Switching Power Supply is arranged on described power supply module and each institute
State between signal isolation module, or be arranged between described power supply module and each described communication module, or be arranged on
Between described power supply module and described microprocessor.
Preferably, described power isolation module includes：Transformator, described transformator includes an armature winding and multiple times
Level winding；
Described armature winding connects described power supply module, and each described secondary windings connects a described signal isolation
Module, a described communication module or described microprocessor.
Preferably, described power isolation module includes：Transformator, described transformator includes an armature winding and one time
Level winding；
Described armature winding connects described power supply module, and the first feeder ear of described secondary windings is micro- with described respectively
Processor, described first signal isolation module and described secondary signal isolation module connect, the second power supply of described secondary windings
End is connected with described first communication module and described second communication module respectively.
Knowable to above-mentioned technical scheme, in protocol converter disclosed in this utility model, the control end of microprocessor is divided
Tong Guo the first signal isolation module not be connected with first communication module, by secondary signal isolation module with second communication module even
Connect, power supply module separates two feeder ears (i.e. two independent current sources) by power isolation module, and a feeder ear is micro-
Processor, the first signal isolation module and secondary signal isolation module are powered, and another feeder ear is first communication module and the
Two communication module for power supply.It follows that this utility model is realized main power source by power isolation module and is powered between equipment
Isolation, the isolation between signal is realized by signal isolation module, therefore when multichannel data mutually passes in protocol converter
When defeated, each transmission data not easily passs through power line and produces transmission interference, thus improve the capacity of resisting disturbance of protocol converter.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to disclosed accompanying drawing.
Fig. 1 is a kind of structural representation of protocol converter disclosed in this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
This utility model embodiment discloses a kind of protocol converter, to realize carrying of protocol converter capacity of resisting disturbance
High.
Referring to Fig. 1, a kind of structural representation of protocol converter disclosed in this utility model embodiment, including：Microprocessor
Device 11, power supply module 12, power isolation module 13, at least two communication modules and at least two signal isolation modules, its
In, described two communication modules are respectively：First communication module 14 and second communication module 15, first communication module 14 and second
Communication module 15 receives the signal of different communication protocol, and described two signal isolation modules are respectively：First signal isolation module
16 and secondary signal isolation module 17.
Wherein：
The input of power isolation module 13 is connected with power supply module 12, the first feeder ear of power isolation module 13
It is connected with microprocessor 11, the first signal isolation module 16 and secondary signal isolation module 17 respectively, power isolation module 13
Second feeder ear is connected with first communication module 14 and second communication module 15 respectively, for for first communication module 14 and its outer
Enclose circuit, second communication module 15 and its peripheral circuit are powered.
It should be noted that the two of power isolation module 19 feeder ears are equivalent to two independent current sources, each independent electrical
Source powers to the equipment being connected.
The control end of microprocessor 11 is connected with first communication module 14 by the first signal isolation module 16 respectively, passes through
Secondary signal isolation module 17 is connected with second communication module 15, and described control end is used for output control first communication module 14 He
The conversion instruction of conversion between second communication module 15, to realize the first signal and second communication of first communication module 14 reception
Conversion between the secondary signal that module 15 receives, meanwhile, the control end of microprocessor 11 is additionally operable to output control first signal
The switching command of power switching between isolation module 16 and secondary signal isolation module 17.
It should be noted that the control end of microprocessor 11 can only have a control port, this control port is respectively
It is connected with the first signal isolation module 16, secondary signal isolation module 17.Meanwhile, the control end of microprocessor 11 can also have many
Individual control port, each control port connects a signal isolation module.
Knowable to above-mentioned discussion, from physical link for, this utility model passes through the first signal isolation module 16 and the
Binary signal isolation module 17, makes the power supply of microprocessor 11, first communication module 14 and second communication module 15 mutually only
Vertical, the data transfer between each equipment all produces interaction again by signal isolation module.
For data interference path, the interference signal producing on the data line can only be to the communication being connected with this data wire
Module is disturbed, and interference signal is easily detected by power end and is coupled to other communication modules.
Illustrate, when first communication module 14 receiving data, the interference signal on data wire communicates to first first
Module 14 is disturbed, thus leading to the power supply of first communication module 14 to produce fluctuation, because microprocessor 11, first leads to
The power supply of letter module 14 and second communication module 15 is separate, does not have physical link each other, therefore logical first
The fluctuation that the power supply of letter module 14 produces not easily passs through power end and is delivered to miscellaneous equipment (inclusion microprocessor 11 and second
Communication module 15), thus improve the capacity of resisting disturbance of protocol converter.
In summary, this utility model by power isolation module 13 realize main power source and be powered between equipment every
From, the isolation between signal is realized by signal isolation module, therefore when multichannel data mutually transmits in protocol converter,
Each transmission data not easily passs through power line and produces transmission interference, thus improve the capacity of resisting disturbance of protocol converter.
In addition, this utility model also effectively ensure that communication module and its safety fortune of ancillary equipment by isolated from power
OK.
Preferably, the first signal isolation module 16 and secondary signal isolation module 17 may each comprise photoisolator.
First communication module 14 can be appointing in ethernet interface module, CAN communication module and 485 communication modules
Meaning one.
Equally, second communication module 15 can also be ethernet interface module, CAN communication module and 485 communication moulds
Any one in block, only need to ensure that the signal that first communication module 14 connects different communication protocol with second communication module 15 is
Can.
Preferably, power isolation module 13 can be Switching Power Supply, and this Switching Power Supply can be one or more.
Specifically, when Switching Power Supply is one, the input of Switching Power Supply is connected with power supply module 12, switch electricity
Source first feeder ear is connected with microprocessor 11, the first signal isolation module 16 and secondary signal isolation module 17 respectively, switch
Second feeder ear of power supply is connected with first communication module 14 and second communication module 15 respectively, for for first communication module 14
And its peripheral circuit, second communication module 15 and its peripheral circuit are powered.The now control end output control of microprocessor 11
The conversion instruction of conversion between one communication module 14 and second communication module 15, to realize the first of first communication module 14 reception
Conversion between the secondary signal of signal and second communication module 15 reception, meanwhile, the control end of microprocessor 11 also exports control
Make the switching command of power switching between the first signal isolation module 16 and secondary signal isolation module 17.
When Switching Power Supply for multiple when, each Switching Power Supply is arranged on power supply module 12 and each signal isolation module
Between, or it is arranged between power supply module 12 and each communication module, or be arranged on power supply module 12 and micro-
Between processor 11, that is, in power supply module 12 and each signal isolation module, each communication module and microprocessor 11
Between be respectively provided with a Switching Power Supply.
Preferably, power isolation module 13 can be transformator, and this transformator includes an armature winding and multiple secondary
Winding；
Armature winding connects power supply module 12, and each secondary windings connects a signal isolation module, a communication
Module or microprocessor 11, that is, all have one between armature winding and signal isolation module, communication module and microprocessor 11
Individual secondary windings.
Preferably, power isolation module 13 can be transformator, and this transformator includes an armature winding and a secondary
Winding；
Armature winding connects power supply module 12, the first feeder ear of secondary windings respectively with microprocessor 11, first
Signal isolation module 16 and secondary signal isolation module 17 connect, the second feeder ear of secondary windings respectively with first communication module
14 and second communication module 15 connect.
For optimizing above-described embodiment further, protocol converter can also include：Memory module；
Memory module is connected with microprocessor 11, for the data needed for storage microprocessor 11 operation program.
Last in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant meaning
Covering comprising of nonexcludability, so that including a series of process of key elements, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element being limited by sentence "including a ...", does not arrange
Remove and also there is other identical element in the process including described key element, method, article or equipment.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (10)
1. a kind of protocol converter is it is characterised in that include：Microprocessor, power supply module, power isolation module, at least
Two communication modules and at least two signal isolation modules, wherein, described two communication modules are respectively：First communication module and
Second communication module, the signal of described first communication module and described second communication module reception different communication protocol, described two
Individual signal isolation module is respectively：First signal isolation module and secondary signal isolation module；
The input of described power isolation module is connected with described power supply module, the first power supply of described power isolation module
End is connected with described microprocessor, described first signal isolation module and described secondary signal isolation module respectively, described power supply
Second feeder ear of isolation module is connected with described first communication module and described second communication module respectively；
The control end of described microprocessor is connected with described first communication module by described first signal isolation module respectively, leads to
Cross described secondary signal isolation module to be connected with described second communication module, described control end is led to for described in output control first
The conversion instruction of conversion between letter module and described second communication module, and control described first signal isolation module and described
The switching command of power switching between secondary signal isolation module.
2. protocol converter according to claim 1 it is characterised in that described first signal isolation module include photoelectricity every
From device.
3. protocol converter according to claim 1 it is characterised in that described secondary signal isolation module include photoelectricity every
From device.
4. protocol converter according to claim 1 is it is characterised in that described first communication module is Ethernet interface mould
Any one in block, CAN communication module and 485 communication modules.
5. protocol converter according to claim 1 is it is characterised in that described second communication module is Ethernet interface mould
Any one in block, CAN communication module and 485 communication modules.
6. protocol converter according to claim 1 is it is characterised in that also include：
It is connected with described microprocessor, for storing the memory module of the data needed for described microprocessor operation program.
7. protocol converter according to claim 1 is it is characterised in that described power isolation module includes：Switching Power Supply.
8. protocol converter according to claim 7 is it is characterised in that described Switching Power Supply is one or more；
When described Switching Power Supply is multiple, each described Switching Power Supply is arranged on described power supply module and each described letter
Between number isolation module, or it is arranged between described power supply module and each described communication module, or be arranged on described
Between power supply module and described microprocessor.
9. protocol converter according to claim 1 is it is characterised in that described power isolation module includes：Transformator, institute
State transformator and include an armature winding and multiple secondary windings；
Described armature winding connects described power supply module, and each described secondary windings connects a described signal isolation mould
Block, a described communication module or described microprocessor.
10. protocol converter according to claim 1 is it is characterised in that described power isolation module includes：Transformator,
Described transformator includes an armature winding and secondary windings；
Described armature winding connects described power supply module, the first feeder ear of described secondary windings respectively with described microprocessor
Device, described first signal isolation module and described secondary signal isolation module connect, and the second feeder ear of described secondary windings divides
It is not connected with described first communication module and described second communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063417.3U CN206004700U (en) | 2016-09-18 | 2016-09-18 | A kind of protocol converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063417.3U CN206004700U (en) | 2016-09-18 | 2016-09-18 | A kind of protocol converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004700U true CN206004700U (en) | 2017-03-08 |
Family
ID=58193537
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621063417.3U Expired - Fee Related CN206004700U (en) | 2016-09-18 | 2016-09-18 | A kind of protocol converter |
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| Country | Link |
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| CN (1) | CN206004700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106302521A (en) * | 2016-09-18 | 2017-01-04 | 珠海格力电器股份有限公司 | A kind of protocol converter |
-
2016
- 2016-09-18 CN CN201621063417.3U patent/CN206004700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106302521A (en) * | 2016-09-18 | 2017-01-04 | 珠海格力电器股份有限公司 | A kind of protocol converter |
| CN106302521B (en) * | 2016-09-18 | 2018-04-20 | 珠海格力电器股份有限公司 | A kind of protocol converter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20210918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |