CN208299816U - A kind of data conversion Biodge device - Google Patents
A kind of data conversion Biodge device Download PDFInfo
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- CN208299816U CN208299816U CN201721444588.5U CN201721444588U CN208299816U CN 208299816 U CN208299816 U CN 208299816U CN 201721444588 U CN201721444588 U CN 201721444588U CN 208299816 U CN208299816 U CN 208299816U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 26
- 230000001052 transient effect Effects 0.000 claims description 20
- 230000001629 suppression Effects 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000003672 processing method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model provides a kind of data conversion Biodge device and a kind of data processing method, and data conversion Biodge device includes that single-chip microcontroller, RS485 port, surge restraint circuit, RS485 turn TTL signal conversion circuit.The surge restraint circuit setting is connected with port, and when there is surge (instant high-voltage) incoming from port, surge restraint circuit can reduce surge peak value, avoid damage of the surge to other equipment in circuit.
Description
Technical field
The utility model relates to data conversion bridge field more particularly to a kind of data conversion Biodge devices.
Background technique
Modbus agreement be the whole world be used for industry control scene bus protocol, and nowadays many industry control applications most
One of extensive bus protocol.Industrially, communication system, the communication system are formed by Modbus network mostly between equipment
It is made of a main website with several slave stations, the equipment room in system can pass through the shared of modbus network implementations data.So
And at industry control scene, it is sometimes desirable to which realizing a plurality of has different communications parameters and the internetwork number of the modbus of data format
According to sharing, the i.e. data conversion Biodge device of this function is realized.
Since modbus network can only have a main website, so when there are when multiple modbus main websites at scene, it is meant that
There are multiple modbus networks, and the internetwork messaging parameter of multiple modbus and data format are also likely to be present difference, institute
It can not directly be shared with each internetwork data.In addition, the electromagnetic environment at industry control scene is typically complex, frequency converter etc. is big
Power apparatus is easy to induce surge voltage (instant high-voltage) on modbus communication bus communication apparatus chip when working
It burns.
The content of the present invention
The technical issues of the utility model solves is: disclosing a kind of data conversion Biodge device, effectively solves surge to data
It converts Biodge device and generates shock problem.The utility model provides the following technical solutions:
A kind of data conversion Biodge device turns TTL signal conversion circuit group by single-chip microprocessor MCU, RS485 port, RS485
At RS485 port is equipped with surge restraint circuit, and the surge restraint circuit includes the first current-limiting resistance R1, the second current limliting electricity
Hinder R2, the first inductance L1, the second inductance L2, the first Transient Suppression Diode T1, the second Transient Suppression Diode T2, pull-up resistor
R3, pull down resistor R5, terminal resistance R4, first row needle J1 and second row needle J2, the first row needle J1 include the first pin, the
Two pins, third pin and the 4th pin, the second row needle J2 includes the first pin, second pin and third pin, described
RS485 port is connect with surge restraint circuit, and the surge restraint circuit and the RS485 turn TTL signal conversion circuit
Connection, the RS485 turn TTL signal conversion circuit and connect with the single-chip microprocessor MCU, the first pin of the first row needle J1
5V power supply is connect, the 4th pin of the first row needle JI connects power ground, the second pin of the first row needle JI, described
One end of one current-limiting resistance R1 and the electrical connection of one end of the pull-up resistor R3, the third pin of the first row needle JI, institute
One end of the second current-limiting resistance R2 and one end electrical connection of above-mentioned pull down resistor R5 are stated, the first current-limiting resistance R1's is another
One end of one end, one end of the first inductance L1 and the terminal resistance R4 is electrically connected, the second current-limiting resistance R2's
The other end electrical connection of the other end, one end of the second inductance L2, the terminal resistance R4, the pull-up resistor R3's is another
Termination 5V power supply, another termination 5V of the pull down resistor R5, the first pin and the second row of the second row needle J2
The second pin of needle J2 is connect with one end of one end of the first inductance L1 and the second inductance L2 respectively, and described first
The other end of inductance L1 and the second inductance L2 other end respectively with one end of the first Transient Suppression Diode T1 and described
One end of second Transient Suppression Diode T2 connects, the other end of the first Transient Suppression Diode T1, second transient state
The other end of diode T2 is inhibited to connect jointly with the third pin of second row needle J2.
On this technical solution basis, further, the first inductance L1, the second inductance L2 are on pcb board surface
On as 6 circle PCB copper wire scribe made of PCB trace inductance.
On the basis of this technical solution, further, each functional block single-point grounding of pcb board circuit reduces public
Influencing each other between the circuit caused altogether.
The invention efficiently solves surge (instant high-voltage) logarithm the utility model has the advantages that under complicated operating condition field condition
The technical issues of generating impact according to conversion Biodge device.
Detailed description of the invention
Fig. 1 is the utility model data conversion Biodge device the first surge restraint circuit schematic diagram
Specific embodiment
In order to which the technological means, technical characteristic and the technical effect that realize utility model are easy to understand, below with reference to
It is specifically illustrating, the present invention is further explained.As shown in Figure 1, a kind of data conversion Biodge device, is communicated by single-chip microprocessor MCU, RS485
Mouth, RS485 turn TTL signal conversion circuit composition, and RS485 port is equipped with surge restraint circuit, the surge restraint circuit packet
Include the first current-limiting resistance R1, the second current-limiting resistance R2, the first inductance L1, the second inductance L2, the first Transient Suppression Diode T1,
Two Transient Suppression Diode T2, pull-up resistor R3, pull down resistor R5, terminal resistance R4, first row needle J1 and second row needle J2, institute
Stating first row needle J1 includes the first pin, second pin, third pin and the 4th pin, and the second row needle J2 draws including first
Foot, second pin and third pin, the RS485 port are connect with surge restraint circuit, the surge restraint circuit and institute
It states RS485 and turns the connection of TTL signal conversion circuit, the RS485 turns TTL signal conversion circuit and connect with the single-chip microprocessor MCU, institute
The first pin for stating first row needle J1 connects 5V power supply, and the 4th pin of the first row needle JI connects power ground, the first row
One end of the second pin of needle JI, one end of the first current-limiting resistance R1 and the pull-up resistor R3 is electrically connected, and described the
One end of the third pin of one row's needle JI, one end of the second current-limiting resistance R2 and above-mentioned pull down resistor R5 is electrically connected, institute
One end electrical connection of the other end of the first current-limiting resistance R1, one end of the first inductance L1 and the terminal resistance R4 is stated,
The other end electrical connection of the other end of the second current-limiting resistance R2, one end of the second inductance L2, the terminal resistance R4,
Another termination 5V power supply of the pull-up resistor R3, another termination 5V of the pull down resistor R5, the second row needle J2's
The second pin of first pin and the second row needle J2 respectively with one end of the first inductance L1 and second inductance
One end of L2 connects, and the other end of the first inductance L1 and the second inductance L2 other end inhibit with the first transient state respectively
One end of diode T1 and the connection of one end of the second Transient Suppression Diode T2, the first Transient Suppression Diode T1
The other end, the second Transient Suppression Diode T2 the other end connect jointly with the third pin of second row needle J2.
Further, the first inductance L1, the second inductance L2 be on pcb board surface by 6 circle PCB copper wire scribe and
At PCB trace inductance.
Further, each functional block single-point grounding of the pcb board circuit reduces the mutual shadow between the circuit publicly caused
It rings.
It works under operating condition field condition for data conversion Biodge device, complicated electromagnetic environment is easy in communication bus
On induce surge (high voltage of moment) impact, to generate impact to data Bridge device, damage chip and electronics device
Part, and then influence the communication of equipment room.
The present apparatus efficiently solves the above problem, when there is surge (high voltage of moment) incoming from second row needle J2, passes through
When the first inductance L1 and the second inductance L2, the peak value of surge is effectively reduced in the coupled characteristic of inductance, if surge peak value still mistake
Height, the first Transient Suppression Diode T1 are connected in a very short period of time with the second Transient Suppression Diode T2, are diverted into ground, avoid
Surge generates impact damage to other equipment in circuit.
In summary it is only the utility model preferred embodiment, is not used to limit the scope of the utility model.
Equivalence changes and modification made by i.e. all contents according to present utility model application the scope of the patents, all should belong to the skill of the utility model
Art scope.
Claims (3)
1. a kind of data conversion Biodge device turns TTL signal conversion circuit by single-chip microprocessor MCU, RS485 port, RS485 and forms,
It is characterized in that, the RS485 port is equipped with surge restraint circuit, the surge restraint circuit includes the first current-limiting resistance
R1, the second current-limiting resistance R2, the first inductance L1, the second inductance L2, the first Transient Suppression Diode T1, the second transient state inhibit two poles
Pipe T2, pull-up resistor R3, pull down resistor R5, terminal resistance R4, first row needle J1 and second row needle J2, the first row needle J1 packet
Include the first pin, second pin, third pin and the 4th pin, the second row needle J2 include the first pin, second pin and
Third pin, the RS485 port are connect with surge restraint circuit, and the surge restraint circuit and the RS485 turn TTL letter
The connection of number conversion circuit, the RS485 turn TTL signal conversion circuit and connect with the single-chip microprocessor MCU, the first row needle J1's
First pin connects 5V power supply, and the 4th pin of the first row needle J1 connects power ground, the second pin of the first row needle JI, institute
It states one end of the first current-limiting resistance R1 and one end electrical connection of the pull-up resistor R3, the third of the first row needle JI is drawn
One end of foot, one end of the second current-limiting resistance R2 and above-mentioned pull down resistor R5 is electrically connected, the first current-limiting resistance R1
The other end, the first inductance L1 one end and the terminal resistance R4 one end electrical connection, second current-limiting resistance
The other end electrical connection of the other end of R2, one end of the second inductance L2, the terminal resistance R4, the pull-up resistor R3's
Another termination 5V power supply, another termination 5V of the pull down resistor R5, the first pin of the second row needle J2 and described
The second pin of two row's needle J2 is connect with one end of one end of the first inductance L1 and the second inductance L2 respectively, described
The other end of first inductance L1 and the second inductance L2 other end respectively with one end of the first Transient Suppression Diode T1 and
One end of the second Transient Suppression Diode T2 connects, the other end of the first Transient Suppression Diode T1, described second
The other end of Transient Suppression Diode T2 is connect with the third pin of second row needle J2 jointly.
2. data conversion Biodge device as described in claim 1, which is characterized in that the first inductance L1, the second inductance L2 are
PCB trace inductance made of being scribed on pcb board surface as 6 circle PCB copper wire.
3. data conversion Biodge device as claimed in claim 2, which is characterized in that each functional block single-point of pcb board circuit connects
Ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721444588.5U CN208299816U (en) | 2017-11-02 | 2017-11-02 | A kind of data conversion Biodge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721444588.5U CN208299816U (en) | 2017-11-02 | 2017-11-02 | A kind of data conversion Biodge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208299816U true CN208299816U (en) | 2018-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721444588.5U Expired - Fee Related CN208299816U (en) | 2017-11-02 | 2017-11-02 | A kind of data conversion Biodge device |
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| CN (1) | CN208299816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612803A (en) * | 2017-11-02 | 2018-01-19 | 上海辛莫智能科技有限公司 | A kind of data conversion Biodge device |
-
2017
- 2017-11-02 CN CN201721444588.5U patent/CN208299816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612803A (en) * | 2017-11-02 | 2018-01-19 | 上海辛莫智能科技有限公司 | A kind of data conversion Biodge device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |