CN107679001A - A kind of governor circuit of data buffer storage formula communication device - Google Patents
A kind of governor circuit of data buffer storage formula communication device Download PDFInfo
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- CN107679001A CN107679001A CN201711200442.0A CN201711200442A CN107679001A CN 107679001 A CN107679001 A CN 107679001A CN 201711200442 A CN201711200442 A CN 201711200442A CN 107679001 A CN107679001 A CN 107679001A
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- 238000004891 communication Methods 0.000 title claims abstract description 47
- 230000000087 stabilizing effect Effects 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000013523 data management Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4027—Coupling between buses using bus bridges
- G06F13/405—Coupling between buses using bus bridges where the bridge performs a synchronising function
- G06F13/4059—Coupling between buses using bus bridges where the bridge performs a synchronising function where the synchronisation uses buffers, e.g. for speed matching between buses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/028—Subscriber network interface devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dc Digital Transmission (AREA)
Abstract
The invention discloses a kind of governor circuit of data buffer storage formula communication device, including control circuit, control circuit is connected with realizes the data exchange between cloud server with communication interface circuit, data caching circuit and USB interface, governor circuit by USB interface external connection communication module；Governor circuit carries out data exchange by communication interface circuit and outside industrial control equipment main controller；RS485 chips U4 and RS232 chip U3 inside communication interface circuit coordinates with internal configuration circuitry, the signal interference of outside industrial control equipment can be filtered out, strengthen the reliability of control circuit, the governor circuit of data buffer storage formula communicator can carry out data exchange with industrial control equipment main controller at different transmission rates by communication interface circuit, it can carry out data transmission according to the different distance selection interface mode between industrial control equipment main controller, strengthen the practicality of control circuit.
Description
Technical field
The present invention relates to a kind of communication device control circuit, the master control electricity of particularly a kind of data buffer storage formula communication device
Road.
Background technology
With the popularization of the application of current big data, increasing industrial control field data transfer is permitted in internet
The main controller of more industrial control fields generally itself does not carry communication function, data is uploaded by main controller communication control module
To cloud server, however, the working environment of industry control communication module is general all more severe, communication module and cloud server
Ability to communicate is weak, and off-line phenomenon often occurs, it may occur that loss of data, situation about can not upload.
The content of the invention
For overcome the deficiencies in the prior art, a kind of reliability of present invention offer is high, practical, circuit structure is simple
The control circuit of data buffer storage formula communication device.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of governor circuit of data buffer storage formula communication device, including control circuit, the control circuit is connected with to be connect with communication
Mouth circuit, data caching circuit and USB interface, the governor circuit pass through USB interface external connection communication module, realization and cloud
Hold the data exchange between server；The governor circuit passes through the communication interface circuit and outside industrial control equipment main controller
Carry out data exchange, the data that the cloud server and the industrial control equipment main controller are transmitted to the governor circuit are described
Control circuit is converted into packet and is buffered in the data caching circuit.
The storage chip model W25N01GVZEIG that the data caching circuit uses.
The control circuit includes main control chip U1A and main control chip U1B, the main control chip U1A and main control chip U1B
Chip model be V3S.
The communication interface circuit includes RS485 interface circuits；The RS485 interface circuits include RS485 chips U4, are total to
Mould inductance L4, electric capacity C15, bi-directional voltage stabilizing pipe ZD4, bi-directional voltage stabilizing pipe ZD5, resistance R9, resistance R10, resistance R11 and connector
J6；1 pin and 4 pins of the RS485 chips U4 connect 40 pins and 39 pins of the main control chip U1B respectively；It is described
RS485 chips U4 2 pins and 3 pins connect 41 pins of the main control chip U1B；5 pins of the RS485 chips U4 connect
Ground；8 pins of the RS485 chips U4 are grounded by the electric capacity C15,5 pins and the electric capacity of the RS485 chips U4
C15 node access 5V voltages；6 pins of the RS485 chips U4 divide two-way, are grounded all the way by the resistance R11, another
Road connects 1 pin of the common mode inductance L4；7 pins of the RS485 chips U4 divide two-way, are connect all the way by the resistance R10
Ground, another way connect 3 pins of the common mode inductance L4；1 pin and 2 pins of the common mode inductance L4 connects the connector respectively
J6 1 pin and 2 pins；The node of a termination resistance R10 and common mode inductance L4 of the resistance R9 3 pins,
The node of another termination resistance R11 and common mode inductance L4 1 pin；A termination institute of the bi-directional voltage stabilizing pipe ZD4
State the node of the resistance R11 and common mode inductance L4 1 pin, other end ground connection；A termination institute of the bi-directional voltage stabilizing pipe ZD5
State the node of the resistance R10 and common mode inductance L4 3 pins, other end ground connection.
The communication interface circuit includes RS232 interface circuit；The RS232 interface circuit includes RS232 chips U3, double
To voltage-stabiliser tube ZD1, bi-directional voltage stabilizing pipe ZD2, bi-directional voltage stabilizing pipe ZD3, diode D1, resistance R8, electric capacity C10, electric capacity C11, electric capacity
C12, electric capacity C13 and electric capacity C14；1 pin of the RS232 chips U3 connects the RS232 chips U3's by the electric capacity C10
3 pins；4 pins of the RS232 chips U3 connect 5 pins of the RS232 chips U3 by the electric capacity C11；The RS232
Chip U3 2 pins connect 15 pins of the RS232 chips U3 by the electric capacity C13；6 pins of the RS232 chips U3
15 pins of the RS232 chips U3 are connect by the electric capacity C14；16 pins of the RS232 chips U3 divide two-way, connect all the way
5V voltages, another way connect 15 pins of the RS232 chips U3 by the electric capacity C12；9 pins of the RS232 chips U3
The negative pole of the diode D1 is connect, the positive pole of the diode D1 divides two-way, connects 5V voltages by the resistance R8 all the way, another
Road connects 8 pins of the main control chip U1A；10 pins of the RS232 chips U3 connect 9 pins of the main control chip U1A；Institute
7 pins for stating RS232 chips U3 are grounded by the bi-directional voltage stabilizing pipe ZD3；8 pins of the RS232 chips U3 pass through described
Bi-directional voltage stabilizing pipe ZD1 is grounded；The 8 of a termination bi-directional voltage stabilizing pipe ZD1 and RS232 chips U3 of the bi-directional voltage stabilizing pipe ZD2
The node of pin, the node of another termination bi-directional voltage stabilizing pipe ZD3 and RS232 chips U3 7 pins；The RS232 chips
U3 11 pins, 12 pins, 13 pins and 14 pins are hanging.
The beneficial effects of the invention are as follows：The present invention includes control circuit, and control circuit is connected with communication interface circuit, number
According to buffer circuit and USB interface, governor circuit is realized between cloud server by USB interface external connection communication module
Data exchange；Governor circuit carries out data exchange by communication interface circuit and outside industrial control equipment main controller；Communication connects
RS485 chips U4 and RS232 chip U3 inside mouth circuit coordinates with internal configuration circuitry, can filter out the letter of outside industrial control equipment
Number interference, strengthens the reliability of control circuit, the governor circuit of data buffer storage formula communicator can by communication interface circuit with
Different transmission rate carries out data exchange with industrial control equipment main controller, can according to it is different between industrial control equipment main controller away from
Carry out data transmission from selection interface mode, strengthen the practicality of control circuit..
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the circuit block diagram of the present invention；
Fig. 2 is the circuit theory diagrams Part I of the present invention；
Fig. 3 is the circuit theory diagrams Part II of the present invention；
Fig. 4 is the circuit theory diagrams Part III of the present invention；
Fig. 5 is the circuit theory diagrams Part IV of the present invention；
Fig. 6 is the circuit theory diagrams Part V of the present invention；
Fig. 7 is the circuit theory diagrams Part VI of the present invention.
Embodiment
Referring to figs. 1 to Fig. 7, a kind of governor circuit of data buffer storage formula communication device, including control circuit, the control electricity
Road is connected with passes through USB interface external connection with communication interface circuit, data caching circuit and USB interface, the governor circuit
Communication module, realize the data exchange between cloud server；The governor circuit is by the communication interface circuit and outside
The industrial control equipment main controller in portion carries out data exchange, and the cloud server is transmitted to the master with the industrial control equipment main controller
The data of control circuit are converted into packet and are buffered in the data caching circuit by the control circuits；The data buffer storage
Circuit is deposited or extracted the packet, the storage chip that the data caching circuit uses using FIFO management
Model W25N01GVZEIG.
Data buffer storage formula communication device uses asynchronous data processing mode transceiving data；The transmission of industrial control equipment main controller is sent
During data to communication device, control circuit by transmit data be packaged as packet at timed intervals, then packet according to
The data management mode of first in first out is stored in the buffer area of data caching circuit, while is in control circuit detection buffer area
It is no containing the packet from cloud server, if packet is present, the packet that cloud server is sent extracts concurrent
Deliver to industrial control equipment main controller；On the other hand, the communication between the detection of data buffer storage formula communication device moment and cloud server, when
When establishing connection with cloud server and transmitting data, data are copied out from buffer area according to the data management mode of first in first out
Bag, and packet is uploaded to cloud server, the reception state that cloud server confirms packet is then accessed, confirms to finish
The packet of copy is deleted afterwards, and is then deposited to data after governor circuit receives the packet from cloud server
In the buffer area of buffer circuit.
The control circuit includes main control chip U1A and main control chip U1B, the main control chip U1A and main control chip U1B
Chip model be V3S.The communication interface circuit includes RS485 interface circuits；The RS485 interface circuits include RS485
Chip U4, common mode inductance L4, electric capacity C15, bi-directional voltage stabilizing pipe ZD4, bi-directional voltage stabilizing pipe ZD5, resistance R9, resistance R10, resistance R11
With connector J6；40 pins and 39 that 1 pin and 4 pins of the RS485 chips U4 meets the main control chip U1B respectively draw
Pin；2 pins and 3 pins of the RS485 chips U4 connect 41 pins of the main control chip U1B；The 5 of the RS485 chips U4
Pin is grounded；8 pins of the RS485 chips U4 are grounded by the electric capacity C15,5 pins of the RS485 chips U4 and institute
State electric capacity C15 node access 5V voltages；6 pins of the RS485 chips U4 divide two-way, are connect all the way by the resistance R11
Ground, another way connect 1 pin of the common mode inductance L4；7 pins of the RS485 chips U4 divide two-way, pass through the electricity all the way
R10 ground connection is hindered, another way connects 3 pins of the common mode inductance L4；1 pin and 2 pins of the common mode inductance L4 meets institute respectively
State connector J6 1 pin and 2 pins；A termination resistance R10 and common mode inductance L4 of the resistance R9 3 pins
Node, the node of another termination resistance R11 and common mode inductance L4 1 pin；The one of the bi-directional voltage stabilizing pipe ZD4
Terminate the node of the resistance R11 and common mode inductance L4 1 pin, other end ground connection；The one of the bi-directional voltage stabilizing pipe ZD5
Terminate the node of the resistance R10 and common mode inductance L4 3 pins, other end ground connection.The communication interface circuit includes
RS232 interface circuit；The RS232 interface circuit includes RS232 chips U3, bi-directional voltage stabilizing pipe ZD1, bi-directional voltage stabilizing pipe ZD2, double
To voltage-stabiliser tube ZD3, diode D1, resistance R8, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13 and electric capacity C14；It is described
RS232 chips U3 1 pin connects 3 pins of the RS232 chips U3 by the electric capacity C10；The 4 of the RS232 chips U3
Pin connects 5 pins of the RS232 chips U3 by the electric capacity C11；2 pins of the RS232 chips U3 pass through the electricity
Hold 15 pins that C13 meets the RS232 chips U3；6 pins of the RS232 chips U3 are connect described by the electric capacity C14
RS232 chips U3 15 pins；16 pins of the RS232 chips U3 divide two-way, connect 5V voltages all the way, another way passes through described
Electric capacity C12 connects 15 pins of the RS232 chips U3；9 pins of the RS232 chips U3 connect the negative pole of the diode D1,
The positive pole of the diode D1 divides two-way, connects 5V voltages by the resistance R8 all the way, and another way connects the main control chip U1A's
8 pins；10 pins of the RS232 chips U3 connect 9 pins of the main control chip U1A；7 pins of the RS232 chips U3
It is grounded by the bi-directional voltage stabilizing pipe ZD3；8 pins of the RS232 chips U3 are grounded by the bi-directional voltage stabilizing pipe ZD1；Institute
State the node of a bi-directional voltage stabilizing pipe ZD2 termination bi-directional voltage stabilizing pipe ZD1 and RS232 chips U3 8 pins, another termination institute
State the node of bi-directional voltage stabilizing pipe ZD3 and RS232 chips U3 7 pins；11,12,13 and 14 pins of the RS232 chips U3 hang
It is empty.The chip model that the RS232 chips U3 is used for SP3232E, chip model that the RS485 chips U4 is used for
SP485EEN, the electric capacity C11, electric capacity C12, electric capacity C13 and electric capacity C15 are filter capacitor, coordinate RS485 chips U4 and
RS232 chips U3 can filter out the signal interference of outside industrial control equipment, strengthen the reliability of data buffer storage formula communication device transfers, number
According to buffer type communicator governor circuit can by the communication interface circuit at different transmission rates with industrial control equipment master
Control device and carry out data exchange, data biography can be carried out according to the different distance selection interface mode between industrial control equipment main controller
Defeated, in normal circumstances, communicator is placed in the surface of industrial control equipment, when the working environment signal of industrial control equipment is on the weak side,
The transfer wire of replaceable appropriate length, communicator is then placed on the good service area and cloud server of signal environment
Establish connection so that data buffer storage formula communicator has good environmental suitability.
Embodiment above can not limit the protection domain of the invention, and the personnel of professional skill field are not departing from
In the case of the invention general idea, the impartial modification and change done, the scope that the invention is covered is still fallen within
Within.
Claims (5)
1. a kind of governor circuit of data buffer storage formula communication device, including control circuit, it is characterised in that the control circuit connects
It is connected to and uses communication interface circuit, data caching circuit and USB interface, the governor circuit is communicated by USB interface external connection
Module, realize the data exchange between cloud server；The governor circuit passes through the communication interface circuit and outside
Industrial control equipment main controller carries out data exchange, and the cloud server is transmitted to master control electricity with the industrial control equipment main controller
The data on road are converted into packet and are buffered in the data caching circuit by the control circuits.
2. the control circuit of data buffer storage formula communication device according to claim 1, it is characterised in that the data buffer storage
The storage chip model W25N01GVZEIG that circuit uses.
3. the control circuit of data buffer storage formula communication device according to claim 1, it is characterised in that the control circuit
Chip model including main control chip U1A and main control chip U1B, the main control chip U1A and main control chip U1B is V3S.
4. the control circuit of data buffer storage formula communication device according to claim 3, it is characterised in that the communication interface
Circuit includes RS485 interface circuits；The RS485 interface circuits include RS485 chips U4, common mode inductance L4, electric capacity C15, double
To voltage-stabiliser tube ZD4, bi-directional voltage stabilizing pipe ZD5, resistance R9, resistance R10, resistance R11 and connector J6；The 1 of the RS485 chips U4
Pin and 4 pins connect 40 pins and 39 pins of the main control chip U1B respectively；2 pins and 3 of the RS485 chips U4 draw
Pin connects 41 pins of the main control chip U1B；The 5 pins ground connection of the RS485 chips U4；8 pins of the RS485 chips U4
It is grounded by the electric capacity C15,5 pins of the RS485 chips U4 and the node access 5V voltages of the electric capacity C15；It is described
RS485 chips U4 6 pins divide two-way, are grounded all the way by the resistance R11, and what another way met the common mode inductance L4 1 draws
Pin；7 pins of the RS485 chips U4 divide two-way, are grounded all the way by the resistance R10, and another way connects the common mode inductance
L4 3 pins；1 pin and 2 pins of the common mode inductance L4 connects 1 pin and 2 pins of the connector J6 respectively；The electricity
The node of a R9 termination resistance R10 and common mode inductance L4 3 pins is hindered, it is another to terminate the resistance R11 and institute
State the node of common mode inductance L4 1 pin；A termination resistance R11 of the bi-directional voltage stabilizing pipe ZD4 and the common mode inductance
The node of L4 1 pin, other end ground connection；A termination resistance R10 of the bi-directional voltage stabilizing pipe ZD5 and the common mode inductance
The node of L4 3 pins, other end ground connection.
5. the control circuit of data buffer storage formula communication device according to claim 3, it is characterised in that the communication interface
Circuit includes RS232 interface circuit；The RS232 interface circuit includes RS232 chips U3, bi-directional voltage stabilizing pipe ZD1, bi-directional voltage stabilizing
Pipe ZD2, bi-directional voltage stabilizing pipe ZD3, diode D1, resistance R8, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13 and electric capacity C14；
1 pin of the RS232 chips U3 connects 3 pins of the RS232 chips U3 by the electric capacity C10；The RS232 chips U3
4 pins 5 pins of the RS232 chips U3 are connect by the electric capacity C11；2 pins of the RS232 chips U3 pass through described
Electric capacity C13 connects 15 pins of the RS232 chips U3；6 pins of the RS232 chips U3 are connect described by the electric capacity C14
RS232 chips U3 15 pins；16 pins of the RS232 chips U3 divide two-way, connect 5V voltages all the way, another way passes through described
Electric capacity C12 connects 15 pins of the RS232 chips U3；9 pins of the RS232 chips U3 connect the negative pole of the diode D1,
The positive pole of the diode D1 divides two-way, connects 5V voltages by the resistance R8 all the way, and another way connects the main control chip U1A's
8 pins；10 pins of the RS232 chips U3 connect 9 pins of the main control chip U1A；7 pins of the RS232 chips U3
It is grounded by the bi-directional voltage stabilizing pipe ZD3；8 pins of the RS232 chips U3 are grounded by the bi-directional voltage stabilizing pipe ZD1；Institute
State the node of a bi-directional voltage stabilizing pipe ZD2 termination bi-directional voltage stabilizing pipe ZD1 and RS232 chips U3 8 pins, another termination institute
State the node of bi-directional voltage stabilizing pipe ZD3 and RS232 chips U3 7 pins；11 pins of the RS232 chips U3,12 pins, 13 are drawn
Pin and 14 pins are hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200442.0A CN107679001A (en) | 2017-11-27 | 2017-11-27 | A kind of governor circuit of data buffer storage formula communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200442.0A CN107679001A (en) | 2017-11-27 | 2017-11-27 | A kind of governor circuit of data buffer storage formula communication device |
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| Publication Number | Publication Date |
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| CN107679001A true CN107679001A (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711200442.0A Pending CN107679001A (en) | 2017-11-27 | 2017-11-27 | A kind of governor circuit of data buffer storage formula communication device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748683A (en) * | 2020-12-15 | 2021-05-04 | 天津智易时代科技发展有限公司 | On-line odor monitoring system |
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| US20110056399A1 (en) * | 2008-04-28 | 2011-03-10 | Beijing Ebtech Technology Co., Ltd. | Electronic detonator control chip |
| CN203086247U (en) * | 2013-02-19 | 2013-07-24 | 长沙威胜信息技术有限公司 | Multichannel centralized monitoring instrument |
| CN203835548U (en) * | 2014-04-03 | 2014-09-17 | 无锡硕卓电气科技有限公司 | Protection controller for small diesel generator set |
| CN206523873U (en) * | 2017-02-28 | 2017-09-26 | 江苏未来智慧交通科技有限公司 | A kind of data transmission device |
-
2017
- 2017-11-27 CN CN201711200442.0A patent/CN107679001A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110056399A1 (en) * | 2008-04-28 | 2011-03-10 | Beijing Ebtech Technology Co., Ltd. | Electronic detonator control chip |
| CN203086247U (en) * | 2013-02-19 | 2013-07-24 | 长沙威胜信息技术有限公司 | Multichannel centralized monitoring instrument |
| CN203835548U (en) * | 2014-04-03 | 2014-09-17 | 无锡硕卓电气科技有限公司 | Protection controller for small diesel generator set |
| CN206523873U (en) * | 2017-02-28 | 2017-09-26 | 江苏未来智慧交通科技有限公司 | A kind of data transmission device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748683A (en) * | 2020-12-15 | 2021-05-04 | 天津智易时代科技发展有限公司 | On-line odor monitoring system |
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Application publication date: 20180209 |