CN208971537U - A kind of protocol converter - Google Patents
A kind of protocol converter Download PDFInfo
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- CN208971537U CN208971537U CN201821695752.4U CN201821695752U CN208971537U CN 208971537 U CN208971537 U CN 208971537U CN 201821695752 U CN201821695752 U CN 201821695752U CN 208971537 U CN208971537 U CN 208971537U
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- shell
- type guide
- guide rail
- sliding block
- fixed
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Abstract
The utility model relates to a kind of protocol converters, belong to data communication technology field, it specifically includes shell and is mounted on the intracorporal control module of shell, one end of shell is equipped with multiple connecting terminals, the other end of shell is equipped with RS-232 interface, power supply indicator, rs 232 serial interface signal indicator light and CAN bus signal lamp, polygon protrusion is provided at the top of shell, the two sides of polygon protrusion are provided with threaded hole, positioning bolt is provided in threaded hole, the back of shell is provided with fixed plate, the back of shell is additionally provided with the first T-type guide rail, the two sides of fixed plate are provided with the second T-type guide rail, the fixation sliding block that top and bottom are provided with T-type guide-track groove is slidably fitted on first T-type guide rail, fixed sliding block one end is provided with concave station, location hole is provided on concave station, the end of fixed sliding block is additionally provided with positioning plate , the utility model structure is simple, and it is easy to use, it can be realized the bi-directional conversion between RS-23 and CAN, between RS-485 and CAN, and it is reliable to be fixed conveniently.
Description
Technical field
The utility model relates to a kind of protocol converters, belong to data communication technology field.
Background technique
Computer networking technology is grown rapidly, and establishes a large amount of diversified network system, cause various networks it
Between the problem of how interconnecting.One method is to carry out international standard, and the international standard of 051 network architecture and communication protocol is
It is more and more mature.But the network of a large amount of already present non-zero 51 systems is all transformed into 051 system, all assisted using standard
View, there is many difficulties, and network technology is evolving, and generate diversification at any time while being standardized,
Therefore consider that the interconnection communication of heterogeneous network is probably forever inevitable.Protocol converter is proposed on this basis.
Protocol converter is mainly used for various automated network communication situations, carries out the conversion of communication protocol.Pass through
The devices such as the serial line interfaces such as RS232/422/485 and relay protection, fault oscillograph, kilowatt-hour meter, direct current cabinet carry out data communication,
Monitoring backstage or other application system are sent to by the communication protocol standard that network or serial ports are specified according to user after program is handled
System.But existing protocol converter does not have CAN interface, and the fixed structure of converter is fairly simple, fixation is unreliable.
Utility model content
To solve technical problem of the existing technology, it is simple that the utility model provides a kind of structure, easy to use, energy
Enough realize the bi-directional conversion between RS-23 and CAN, between RS-485 and CAN, and the reliable protocol converter that is fixed conveniently.
To achieve the above object, technical solution used by the utility model be a kind of protocol converter, including shell and
It is mounted on the intracorporal control module of shell, one end of the shell is equipped with multiple connecting terminals, and the connecting terminal includes direct current
The positive and negative terminals of power supply, the positive and negative terminals of RS-485 bus, CAN terminal resistance terminals and CAN bus low and high level terminals,
The other end of the shell is equipped with RS-232 interface, power supply indicator, rs 232 serial interface signal indicator light and CAN bus signal designation
Lamp, is provided with polygon protrusion at the top of the shell, for placing label, the polygon protrusion in the polygon protrusion
Two sides be provided with threaded hole, positioning bolt is provided in the threaded hole, the back of the shell is provided with fixed plate, described
Multiple fastening screws for fixing are provided in fixed plate, the back of the shell is additionally provided with the first T-type guide rail, described solid
The two sides of fixed board are provided with the second T-type guide rail, are slidably fitted with top and bottom on the first T-type guide rail and are provided with T-type
The fixation sliding block of guide-track groove, the fixed sliding block is slidably mounted on respectively on the first T-type guide rail and the second T-type guide rail, described solid
Fixed slider one end is provided with concave station, location hole is provided on the concave station, the positioning bolt is for being inserted into positioning hole, institute
The end for stating fixed sliding block is additionally provided with positioning plate.
The back of the shell is additionally provided with the fixation fixture block with T-type guide-track groove, and the T-type guide-track groove is closed at one end,
Third T-type guide rail is provided in corresponding fixed plate, the fixed fixture block is slidably mounted on third T-type guide rail.
Preferably, the back of the shell is additionally provided with cushion block.
Compared with prior art, the utility model has following technical effect that the utility model is used in existing agreement
1 road CAN interface, 1 road RS-232 interface and 1 road RS-485 interface composition are set on the basis of converter.Pass through RS-232 or RS-
485 interfaces realize the data exchange of the serial networking equipments and CAN bus such as PC or PLC, can satisfy the demand of actual use.Together
When the converter using laterally, the design of longitudinal clamping-rail, converter is fixed conveniently, reliably, avoids causing since converter shakes
Poor contact, and it is easy to disassemble with installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the back structures schematic diagram of shell in the utility model.
Fig. 3 is the bottom view of Fig. 1.
Fig. 4 is the structural schematic diagram that sliding block is fixed in the utility model.
Fig. 5 is the structural schematic diagram of fixed plate in the utility model.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 5, a kind of protocol converter, including shell 1 and the control module being mounted in shell 1, shell
1 one end is equipped with multiple connecting terminals 2, and connecting terminal 2 includes the positive and negative terminals of DC power supply, the positive and negative wiring of RS-485 bus
End, CAN terminal resistance terminals and CAN bus low and high level terminals, the other end of shell 1 are equipped with RS-232 interface 3, electricity
Source indicator light 4, rs 232 serial interface signal indicator light 5 and CAN bus signal lamp 6, the top of shell 1 is provided with polygon protrusion 7, more
For placing label in side shape protrusion 7, the two sides of polygon protrusion 7 are provided with threaded hole 8, positioning spiral shell are provided in threaded hole 8
Bolt 9, the back of shell 1 are provided with fixed plate 10, and multiple fastening screws for fixing 11, shell 1 are provided in fixed plate 10
Back be additionally provided with the first T-type guide rail 12, the two sides of fixed plate 10 are provided with the second T-type guide rail 13, on the first T-type guide rail 12
It is slidably fitted with the fixation sliding block 14 that top and bottom are provided with T-type guide-track groove, fixed sliding block 14 is slidably mounted on the respectively
On one T-type guide rail 12 and the second T-type guide rail 13, fixed 14 one end of sliding block is provided with concave station 15, is provided with location hole on concave station 15
16, for positioning bolt 9 for being inserted into location hole 16, the end of fixed sliding block 14 is additionally provided with positioning plate 17.
Wherein, the back of shell 1 is additionally provided with the fixation fixture block 18 with T-type guide-track groove, and one end seal of T-type guide-track groove
It closes, third T-type guide rail 19 is provided in corresponding fixed plate 10, fixed fixture block 18 is slidably mounted on third T-type guide rail
On 19.The back of shell 1 is additionally provided with cushion block 20.
The utility model is used is arranged 1 road CAN interface, 1 road RS-232 interface on the basis of existing protocol converter
It is formed with 1 road RS-485 interface.Serial networking equipments and the CAN bus such as PC or PLC are realized by RS-232 or RS-485 interface
Data exchange, the bi-directional data that can be realized CAN and RS-232 and CAN and RS-485 converts.Make PC, PLC or other serial ports
Networked devices can be convenient access CAN-BUS network, constitute fieldbus laboratory, Industry Control, intelligent residential district, automotive electronics
The control node of data processing, data acquisition, data analysis in the CAN-BUS network field such as network.Pin 1Vin+ connect it is external+
9V~+40V DC power supply, pin 2Vin- are with connecing external power supply.Pin 3CFG is the configuration pin of converter.The foot is hanging
Converter enters normal conversion mode after Shi Shang electricity, if after the pin is connected with pin 4GND, converter, which powers on, enters configuration
Mode (note: under normal conversion mode that its short circuit is invalid, it is necessary to just to can enter configuration mode after re-powering).Pin
7Res- and pin 8Res+ connects the termination end of CAN network terminal resistance.120 ohm terminations have been integrated inside protocol converter
By Res- and Res+ short circuit when resistance, user need terminating resistor.[note]: 120 ohm of ends are integrated on RS-485 bus board
Resistance is held, if you need to termination end resistance please by A and the B terminal shortcircuit of the JP wire jumper on plate, included jumper cap, default conditions are on plate
Non-terminated.Protocol converter integrates 3 indicator lights, respectively POWER, CANLED and COMLED.
POWER green light is lighted after device power, while the red light of COMLED and CANLED and green light flash, so respectively
Enter working condition afterwards.If the red light into configuration mode POWER is lighted, until exiting configuration mode.When CAN bus has number
When according to transmitting-receiving, the green light flashing of CANLED；CAN bus in the event of failure, the blinking red lamp of CANLED；When RS-485 bus has data
When transmitting-receiving, the green light of COMLED flashes；When there is data transmit-receive in the port RS-232, the blinking red lamp of COMLED.
In order to guarantee that converter is fixed reliable, using lateral, longitudinal clamping-rail design.When fixed only need that fixture block will be fixed
18 are caught in third T-type guide rail 19, while fixed sliding block 14 being caught on the second T-type guide rail 13 by positioning plate 17, then will determine
Position bolt 9 is inserted into location hole 16, completes locking.Since positioning bolt 9 is always positioned at the position of concave station 15, fixed cunning can be prevented
Block 14 skids off the first T-type guide rail 12, easy to operate, easy to disassemble, fixed simple, reliable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should all wrap in the utility model model within the spirit and principle of utility model
In enclosing.
Claims (3)
1. a kind of protocol converter, including shell and it is mounted on the intracorporal control module of shell, it is characterised in that: the one of the shell
End is equipped with multiple connecting terminals, the connecting terminal include the positive and negative terminals of DC power supply, the positive and negative terminals of RS-485 bus,
CAN terminal resistance terminals and CAN bus low and high level terminals, the other end of the shell are equipped with RS-232 interface, electricity
Source indicator light, rs 232 serial interface signal indicator light and CAN bus signal lamp are provided with polygon protrusion, institute at the top of the shell
It states for placing label in polygon protrusion, the two sides of the polygon protrusion are provided with threaded hole, setting in the threaded hole
There is positioning bolt, the back of the shell is provided with fixed plate, and multiple fastening spiral shells for fixing are provided in the fixed plate
Nail, the back of the shell are additionally provided with the first T-type guide rail, and the two sides of the fixed plate are provided with the second T-type guide rail, and described the
The fixation sliding block that top and bottom are provided with T-type guide-track groove is slidably fitted on one T-type guide rail, the fixed sliding block is slided respectively
Dynamic to be mounted on the first T-type guide rail and the second T-type guide rail, described fixed sliding block one end is provided with concave station, is arranged on the concave station
There is location hole, for the positioning bolt for being inserted into positioning hole, the end of the fixed sliding block is additionally provided with positioning plate.
2. a kind of protocol converter according to claim 1, it is characterised in that: the back of the shell, which is additionally provided with, to be had
The fixation fixture block of T-type guide-track groove, and the T-type guide-track groove is closed at one end, and third T-type is provided in corresponding fixed plate and is led
Rail, the fixed fixture block are slidably mounted on third T-type guide rail.
3. a kind of protocol converter according to claim 1, it is characterised in that: the back of the shell is additionally provided with pad
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695752.4U CN208971537U (en) | 2018-10-19 | 2018-10-19 | A kind of protocol converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695752.4U CN208971537U (en) | 2018-10-19 | 2018-10-19 | A kind of protocol converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208971537U true CN208971537U (en) | 2019-06-11 |
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ID=66758794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821695752.4U Active CN208971537U (en) | 2018-10-19 | 2018-10-19 | A kind of protocol converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208971537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113542283A (en) * | 2021-07-19 | 2021-10-22 | 广东电网有限责任公司 | Equipment based on micropower is wireless and carrier wave protocol conversion |
-
2018
- 2018-10-19 CN CN201821695752.4U patent/CN208971537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113542283A (en) * | 2021-07-19 | 2021-10-22 | 广东电网有限责任公司 | Equipment based on micropower is wireless and carrier wave protocol conversion |
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