CN110209617A - A kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitoring system and method - Google Patents
A kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitoring system and method Download PDFInfo
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- CN110209617A CN110209617A CN201910389519.6A CN201910389519A CN110209617A CN 110209617 A CN110209617 A CN 110209617A CN 201910389519 A CN201910389519 A CN 201910389519A CN 110209617 A CN110209617 A CN 110209617A
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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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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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
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a kind of UART serial ports Transistor-Transistor Logic levels to communicate two-way physics monitoring system, the system comprises: module connection unit, bidirectional communication unit and monitoring unit, the module connection unit receives the communication message between the power information acquisition terminal and each functional module for connecting with the functional interface of power information acquisition terminal；The bidirectional communication unit includes TTL bidirectional monitoring circuit and signal conversion circuit；The TTL bidirectional monitoring circuit is used to automatically switch to send message and receives the transmission of message；The signal conversion circuit is used to the Transistor-Transistor Logic level signal of TTL bidirectional monitoring circuit being converted to RS232 level signal；The monitoring unit carries out monitoring analysis for communication message entrained by RS232 level signal, confirms snoop results；The system and method realizes the bidirectional monitoring to communicating pair through set of system in the case where not influencing both sides' normal communication by the transmission that TTL bidirectional monitoring circuit realizes automatic switchover transmission message and receives message.
Description
Technical field
The present invention relates to technical field of electric power, communicate two-way physics more particularly, to a kind of UART serial ports Transistor-Transistor Logic level and supervise
Listen system and method.
Background technique
Power user power consumption information acquisition system is to realize its own function, it is desirable that acquisition terminal and control module, local
The functional modules such as module, remote communication module are communicated by UART.It need to be by monitoring acquisition eventually when system function exception
Failure is checked at end with the communication message of each functional module, for example needs when terminal logs in main website failure monitor terminal and long-range
Message interaction between module, to confirm problem.And the monitoring for power information acquisition terminal communication message, traditional method
Include:
1, acquisition terminal software function is extended, is beaten message by other channels when acquisition terminal receives message data
Out.The method needs extended software function, and the difficulty of each terminal producer extended software function is different, implementation not yet
Together, application method disunity is caused；It not can guarantee by the real-time and primitiveness of the method monitored data message of software, centainly
Do not have objectivity in degree；Other channels need to be occupied, acquisition terminal normal function is influenced；
2, turn TTL using Du wiring USB, test process need to weld cable, cause hardware damage, inconvenient to module；
The data of single direction can only be monitored as received or sending, if you need to monitor two-way communication, then need two sets of equipment, two sets of softwares, i.e.,
Just so there is also the bi-directional data message listened to is asynchronous, the problems such as transmitting-receiving process is inconvenient is checked.
Meanwhile when checking to data, the software platform that overwhelming majority power information acquisition terminal uses at present is not
Support on-line debugging, even support on-line debugging, it is too late there is also responding to monitor message data using the method for debugging routine
When, check inconvenience, the problems such as non-product developer can not check.
Summary of the invention
In order to solve the prior art existing for background technique for the audiomonitor of power information acquisition terminal communication message
Complicated, real-time and accuracy not can guarantee, bidirectional monitoring realizes the problems such as difficult, and the present invention provides a kind of UART serial ports
Transistor-Transistor Logic level communicates two-way physics monitoring system and method；The system and method by design TTL bidirectional monitoring circuit, with
Power information acquisition terminal is attached, and in the case where not influencing to monitor both sides' normal communication, realizes that bidirectional monitoring and level turn
It changes, real-time common user monitoring reception；A kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitoring system
Module connection unit, the module connection unit with the functional interface of power information acquisition terminal for connecting；Institute
The input terminal for stating module connection unit is used to receive the communication message between the power information acquisition terminal and each functional module, institute
The output end for stating module connection unit is connected with the input terminal of the bidirectional communication unit；The functional interface includes power information
The TTL signal interface communicated between acquisition terminal and each functional module；The communication message is including sending message and receiving message；
Bidirectional communication unit, the bidirectional communication unit include TTL bidirectional monitoring circuit and signal conversion circuit；
The TTL bidirectional monitoring circuit is used to automatically switch to send message and receives the transmission of message；The TTL is two-way
Monitoring circuit is including sending diode, reception diode and drawing high resistance；The negative pole end for sending diode and transmission are reported
The input terminal of text is connected, and the negative pole end of the reception diode is connected with the input terminal for receiving message, the transmission diode
Positive terminal is connected with the positive terminal of reception diode, and is connected with high-resistance one end is drawn；It is described that the high-resistance other end is drawn to set
In high level；The positive terminal and reception diode of the output end of the TTL bidirectional monitoring circuit and the transmission diode
Positive terminal is connected；
The signal conversion circuit is used to being converted to the Transistor-Transistor Logic level signal of TTL bidirectional monitoring circuit into RS232 level letter
Number；
Monitoring unit, the monitoring unit carry out monitoring analysis for communication message entrained by RS232 level signal, really
Recognize snoop results.
Further, the input terminal of the module connection unit includes multiple input adapters, the multiple input adapter root
Fixed and arranged is corresponded to according to the position of TTL signal interface each on power information acquisition terminal, and is passed through with corresponding TTL signal interface
Grafting is attached.
Further, the functional interface includes power interface, and the power interface is for providing power supply to described two-way
Physics monitoring system is powered.
Further, the module connection unit includes left cartridge module connection subelement and right cartridge module connexon list
Member；Multiple input adapters on the left cartridge module connection subelement and the TTL signal on the left box of power information acquisition terminal
Interface position Corresponding matching is attached by grafting and the TTL signal interface on the left box；The right cartridge module connexon
Multiple input adapters on unit and the TTL signal interface position Corresponding matching on the right box of power information acquisition terminal, pass through
Grafting is attached with the TTL signal interface on the right box.
Further, the bidirectional communication unit includes transmitting-receiving identification module, and the transmitting-receiving identification module is used for basis
UART data transmission format analyzes communication message, confirms that the communication message still receives message to send message；Institute
The transmission message input terminal that the transmission message is input to TTL bidirectional monitoring circuit by transmitting-receiving identification module is stated, by the reception
Message is input to the reception message input terminal of TTL bidirectional monitoring single channel.
Further, the monitoring unit is attached by RS232 communication interface and the signal conversion circuit, according to
The default monitoring software for completing communication configuration carries out monitoring analysis to communication message.
A kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitor method
It is connect with the functional interface of power information acquisition terminal, acquires the power information acquisition terminal and each functional module
Between communication message；The functional interface includes the TTL signal interface communicated between power information acquisition terminal and each functional module；
The communication message is including sending message and receiving message；
Automatically switch to send message by TTL bidirectional monitoring circuit and receive the transmission of message, by the communication message
It is sent to signal conversion unit；
The Transistor-Transistor Logic level signal is converted into RS232 level signal by signal conversion unit；
Monitoring analysis is carried out to the communication message that the RS232 level signal carries, confirms snoop results.
Further, the transmission for automatically switching to send message and receive message by TTL bidirectional monitoring circuit, packet
It includes:
Communication message is analyzed according to UART data transmission format, confirms the communication message to send message still
Receive message；
The TTL bidirectional monitoring circuit is including sending diode, reception diode and drawing high resistance；Two poles of the transmission
The negative pole end of pipe is connected with the input terminal for sending message, the negative pole end of the reception diode and the input terminal phase for receiving message
Even, the positive terminal for sending diode is connected with the positive terminal of reception diode, and is connected with high-resistance one end is drawn；It is described
The high-resistance other end is drawn to be placed in high level；The output end of the TTL bidirectional monitoring circuit and the anode for sending diode
The positive terminal of end and reception diode is connected；
When the transmission message is input to the transmission message input terminal of TTL bidirectional monitoring circuit, message input terminal is received
It is placed in high level, to shield the reception message input terminal, realizes the communication path for sending message input terminal to output end；
When the reception message is input to the reception message input terminal of TTL bidirectional monitoring circuit, message input terminal is sent
It is placed in high level, to shield the transmission message input terminal, realizes the communication path for receiving message input terminal to output end.
Further, the functional interface with power information acquisition terminal is connect, comprising:
Multiple input adapters of module connection unit are according to the position pair of TTL signal interface each on power information acquisition terminal
Fixed and arranged is answered, and is attached with corresponding TTL signal interface by grafting.
Further, using the more of the TTL signal interface position Corresponding matching on the left box with power information acquisition terminal
A input adapter is attached by grafting and the TTL signal interface on the left box；
It is connect using multiple inputs of the TTL signal interface position Corresponding matching on the right box with power information acquisition terminal
Head is attached by grafting and the TTL signal interface on the right box.
Further, the communication message carried to the RS232 level signal carries out monitoring analysis, comprising:
It is attached by RS232 communication interface and the signal conversion circuit；
Monitoring analysis is carried out to communication message according to the default monitoring software for completing communication configuration.
The invention has the benefit that technical solution of the present invention, it is two-way to give a kind of UART serial ports Transistor-Transistor Logic level communication
Physics monitoring system and method, the system and method by design TTL bidirectional monitoring circuit, with power information acquisition terminal into
Row connection realizes bidirectional monitoring and level conversion in the case where not influencing to monitor both sides' normal communication, and real-time common user is monitored
It receives；Without extending the function of power information acquisition terminal software, its circuit is welded without modification, realizes plug and play；Institute
It states system and method and is realized by TTL bidirectional monitoring circuit and automatically switch to send message and receive the transmission of message, pass through
Set of system realizes the bidirectional monitoring to communicating pair in the case where not influencing both sides' normal communication.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by:
Fig. 1 is that a kind of UART serial ports Transistor-Transistor Logic level of the specific embodiment of the invention communicates the knot of two-way physics monitoring system
Composition；
Fig. 2 is the schematic diagram of the TTL bidirectional monitoring circuit of the specific embodiment of the invention；
Fig. 3 is that a kind of UART serial ports Transistor-Transistor Logic level of the specific embodiment of the invention communicates the stream of two-way physics monitor method
Cheng Tu.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is that a kind of UART serial ports Transistor-Transistor Logic level of the specific embodiment of the invention communicates the knot of two-way physics monitoring system
Composition；As shown in Figure 1, the system comprises:
Module connection unit, the module connection unit with the functional interface of power information acquisition terminal for connecting；Institute
The input terminal for stating module connection unit is used to receive the communication message between the power information acquisition terminal and each functional module, institute
The output end for stating module connection unit is connected with the input terminal of the bidirectional communication unit；The functional interface includes power information
The TTL signal interface communicated between acquisition terminal and each functional module；The communication message is including sending message and receiving message；
In the present embodiment, the module connection unit is matched with the functional interface of the power information acquisition terminal
, the input terminal of the module connection unit includes multiple input adapters, and the multiple input adapter is acquired according to power information
The position of each TTL signal interface corresponds to fixed and arranged in terminal, and is attached with corresponding TTL signal interface by grafting.
Specifically, can be the multiple input adapters of setting on one sheet, pass through each TTL on power information acquisition terminal
The position of signaling interface corresponds to fixed and arranged, and when use directly mutually inserts the functional interface of this plate and power information acquisition terminal
It connects, so that it may realize matching connection.
The functional module of the power information acquisition terminal is by dividing into left box and right box；Left box and the right side are monitored in order to correspond to
The communication of power information acquisition terminal and function section in box, the module connection unit include left cartridge module connection subelement with
And right cartridge module connects subelement；Multiple input adapters and power information acquisition terminal on the left cartridge module connection subelement
Left box on TTL signal interface position Corresponding matching, be attached by grafting and the TTL signal interface on the left box；
Multiple input adapters on the right cartridge module connection subelement and the TTL signal interface on the right box of power information acquisition terminal
Position Corresponding matching is attached by grafting and the TTL signal interface on the right box.
Further, the functional interface includes power interface, and the power interface is for providing power supply to described two-way
Physics monitoring system is powered.In the present embodiment, the power supply of the offer is 3.3V, for road transport row of powering, and is provided steady
Fixed high level.
Bidirectional communication unit, the bidirectional communication unit include transmitting-receiving identification module, TTL bidirectional monitoring circuit and signal
Conversion circuit；
The transmitting-receiving identification module confirms described logical for being analyzed according to UART data transmission format communication message
Letter message is to send message still to receive message；The transmission message is input to TTL bidirectional monitoring by the transmitting-receiving identification module
The reception message is input to the reception message input terminal of TTL bidirectional monitoring single channel by the transmission message input terminal of circuit.
The data transmission format of the UART includes start bit, data bit, transmission direction position, check bit, stop position；Its
In, for characterizing, transmitted message is up direction or down direction (is to send or connect for the transmission direction position
By)；
The TTL bidirectional monitoring circuit is used to automatically switch to send message and receives the transmission of message；The TTL is two-way
The schematic diagram of monitoring circuit is as shown in Fig. 2, including sending diode D1, reception diode D2 and drawing high resistance R1；The hair
Send the negative pole end of diode D1 and send message input terminal PLC_TXD be connected, the negative pole end of the reception diode D2 with connect
The input terminal PLC_RXD of receiving text is connected, and the positive terminal for sending diode is connected with the positive terminal of reception diode, and with
The one end for drawing high resistance R1 is connected；It is described that the high-resistance other end is drawn to be placed in high level；Such as Tula up to 3.3V；The TTL is bis-
It is connected to the output end of monitoring circuit with the positive terminal of the positive terminal for sending diode and reception diode；
By the way that TTL bidirectional monitoring circuit as described above is arranged, when the transmission message is input to TTL bidirectional monitoring circuit
Transmission message input terminal when, receive message input terminal and be placed in high level, to shield the receptions message input terminal, realize transmission
Message input terminal to output end communication path；
When the reception message is input to the reception message input terminal of TTL bidirectional monitoring circuit, message input terminal is sent
It is placed in high level, to shield the transmission message input terminal, realizes the communication path for receiving message input terminal to output end.
The signal conversion circuit is used to being converted to the Transistor-Transistor Logic level signal of TTL bidirectional monitoring circuit into RS232 level letter
Number；
In the present embodiment, realize Transistor-Transistor Logic level signal to RS232 level signal as signal conversion chip using SP3232
Conversion.
Monitoring unit, the monitoring unit carry out monitoring analysis for communication message entrained by RS232 level signal, really
Recognize snoop results.
The monitoring unit is attached by RS232 communication interface and the signal conversion circuit, according to default completion
The monitoring software of communication configuration carries out monitoring analysis to communication message.
The monitoring software can be AccessPort, and the monitoring unit can be set on computer, pass through RS232
Data line obtains communication message；It can also be arranged in system, realize Intergration system design, can run and monitor software.
System design for integral type, also needs it with display module, user is supervised at the first time
Listen result.
Fig. 3 is that a kind of UART serial ports Transistor-Transistor Logic level of the specific embodiment of the invention communicates the stream of two-way physics monitor method
Cheng Tu.As shown in Figure 3, which comprises
Step 310, it is connect with the functional interface of power information acquisition terminal, acquires the power information acquisition terminal and each
Communication message between functional module, the functional interface include the TTL communicated between power information acquisition terminal and each functional module
Signaling interface；The communication message is including sending message and receiving message；
Further, the functional interface with power information acquisition terminal is connect, comprising:
Multiple input adapters of module connection unit are according to the position pair of TTL signal interface each on power information acquisition terminal
Fixed and arranged is answered, and is attached with corresponding TTL signal interface by grafting.
Further, using the more of the TTL signal interface position Corresponding matching on the left box with power information acquisition terminal
A input adapter is attached by grafting and the TTL signal interface on the left box；
It is connect using multiple inputs of the TTL signal interface position Corresponding matching on the right box with power information acquisition terminal
Head is attached by grafting and the TTL signal interface on the right box.
Step 320, automatically switch to send message by TTL bidirectional monitoring circuit and receive the transmission of message, it will be described
Communication message is sent to signal conversion unit；
Further, the transmission for automatically switching to send message and receive message by TTL bidirectional monitoring circuit, packet
It includes:
Communication message is analyzed according to UART data transmission format, confirms the communication message to send message still
Receive message；
The TTL bidirectional monitoring circuit is including sending diode, reception diode and drawing high resistance；Two poles of the transmission
The negative pole end of pipe is connected with the input terminal for sending message, the negative pole end of the reception diode and the input terminal phase for receiving message
Even, the positive terminal for sending diode is connected with the positive terminal of reception diode, and is connected with high-resistance one end is drawn；It is described
The high-resistance other end is drawn to be placed in high level；The output end of the TTL bidirectional monitoring circuit and the anode for sending diode
The positive terminal of end and reception diode is connected；
When the transmission message is input to the transmission message input terminal of TTL bidirectional monitoring circuit, message input terminal is received
It is placed in high level, to shield the reception message input terminal, realizes the communication path for sending message input terminal to output end；
When the reception message is input to the reception message input terminal of TTL bidirectional monitoring circuit, message input terminal is sent
It is placed in high level, to shield the transmission message input terminal, realizes the communication path for receiving message input terminal to output end.
Step 330, the Transistor-Transistor Logic level signal is converted to by RS232 level signal by signal conversion unit；Using
SP3232 realizes the conversion of Transistor-Transistor Logic level signal to RS232 level signal as signal conversion chip
Step 340, the communication message carried to the RS232 level signal carries out monitoring analysis, confirms snoop results.Into
One step, it is attached by RS232 communication interface and the signal conversion circuit；According to the default monitoring for completing communication configuration
Software carries out monitoring analysis to communication message.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the disclosure
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.The step of being related in this specification, which numbers, is only used for distinguishing each step, and the time being not limited between each step
Or the relationship of logic, restriction unless the context clearly, otherwise the relationship between each step includes the case where various possible.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments means to be in the disclosure
Within the scope of and form different embodiments.For example, embodiment claimed in detail in the claims is one of any
Can in any combination mode come using.
The various component embodiments of the disclosure can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.The disclosure is also implemented as executing side as described herein
The some or all equipment or system program (for example, computer program and computer program product) of method.It is such
It realizes that the program of the disclosure can store on a computer-readable medium, or can have the shape of one or more signal
Formula.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or with any other shape
Formula provides.
The disclosure is limited it should be noted that above-described embodiment illustrates rather than the disclosure, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.Word "comprising" is not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more
A such element.The disclosure can be by means of including the hardware of several different elements and by means of properly programmed calculating
Machine is realized.If several in these systems can be by same in the unit claim for listing dry systems
Hardware branch embodies.
The above is only the specific embodiment of the disclosure, it is noted that for the ordinary skill people of this field
Member for, do not depart from the disclosure spirit under the premise of, can make several improvements, modify and deform, these improve, modification,
It is regarded as falling within the scope of protection of this application with deformation.
Claims (11)
1. a kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitoring system, the system comprises:
Module connection unit, the module connection unit with the functional interface of power information acquisition terminal for connecting；The mould
The input terminal of block connection unit is used to receive the communication message between the power information acquisition terminal and each functional module, the mould
The output end of block connection unit is connected with the input terminal of the bidirectional communication unit；The functional interface includes power information acquisition
The TTL signal interface communicated between terminal and each functional module；The communication message is including sending message and receiving message；
Bidirectional communication unit, the bidirectional communication unit include TTL bidirectional monitoring circuit and signal conversion circuit；
The TTL bidirectional monitoring circuit is used to automatically switch to send message and receives the transmission of message；The TTL bidirectional monitoring
Circuit is including sending diode, reception diode and drawing high resistance；The negative pole end for sending diode and transmission message
Input terminal is connected, and the negative pole end of the reception diode is connected with the input terminal for receiving message, the anode for sending diode
End is connected with the positive terminal of reception diode, and is connected with high-resistance one end is drawn；It is described that the high-resistance other end is drawn to be placed in height
Level；The anode of the output end of the TTL bidirectional monitoring circuit and the positive terminal for sending diode and reception diode
End is connected；
The signal conversion circuit is used to the Transistor-Transistor Logic level signal of TTL bidirectional monitoring circuit being converted to RS232 level signal；
Monitoring unit, the monitoring unit carry out monitoring analysis, confirmation prison for communication message entrained by RS232 level signal
Listen result.
2. system according to claim 1, it is characterised in that: the input terminal of the module connection unit includes multiple inputs
Connector, the multiple input adapter correspond to fixed and arranged according to the position of TTL signal interface each on power information acquisition terminal, and
It is attached with corresponding TTL signal interface by grafting.
3. system according to claim 1, it is characterised in that: the functional interface includes power interface, and the power supply connects
Mouth is powered for providing power supply to the two-way physics monitoring system.
4. system according to claim 2, it is characterised in that: the module connection unit includes left cartridge module connexon list
First and right cartridge module connects subelement；Multiple input adapters and power information on the left cartridge module connection subelement acquire
TTL signal interface position Corresponding matching on the left box of terminal, is connected by grafting and the TTL signal interface on the left box
It connects；Multiple input adapters on the right cartridge module connection subelement and the TTL signal on the right box of power information acquisition terminal
Interface position Corresponding matching is attached by grafting and the TTL signal interface on the right box.
5. system according to claim 1, it is characterised in that: the bidirectional communication unit includes transmitting-receiving identification module, institute
Transmitting-receiving identification module is stated for analyzing according to UART data transmission format communication message, confirms the communication message for hair
Text of delivering newspaper still receives message；The transmission message is input to the transmission of TTL bidirectional monitoring circuit by the transmitting-receiving identification module
The reception message is input to the reception message input terminal of TTL bidirectional monitoring single channel by message input terminal.
6. system according to claim 1, it is characterised in that: the monitoring unit by RS232 communication interface with it is described
Signal conversion circuit is attached, and carries out monitoring analysis to communication message according to the default monitoring software for completing communication configuration.
7. a kind of UART serial ports Transistor-Transistor Logic level communicates two-way physics monitor method, which comprises
It connect, is acquired between the power information acquisition terminal and each functional module with the functional interface of power information acquisition terminal
Communication message, the functional interface include the TTL signal interface communicated between power information acquisition terminal and each functional module；It is described
Communication message is including sending message and receiving message；
Automatically switch to send message by TTL bidirectional monitoring circuit and receive the transmission of message, the communication message is sent
To signal conversion unit；
The Transistor-Transistor Logic level signal is converted into RS232 level signal by signal conversion unit；
Monitoring analysis is carried out to the communication message that the RS232 level signal carries, confirms snoop results.
8. the method according to the description of claim 7 is characterized in that described automatically switch to send by TTL bidirectional monitoring circuit
Message and the transmission for receiving message, comprising:
Communication message is analyzed according to UART data transmission format, confirms that the communication message still receives to send message
Message；
The TTL bidirectional monitoring circuit is including sending diode, reception diode and drawing high resistance；The transmission diode
Negative pole end is connected with the input terminal for sending message, and the negative pole end of the reception diode is connected with the input terminal for receiving message, institute
The positive terminal for stating transmission diode is connected with the positive terminal of reception diode, and is connected with high-resistance one end is drawn；It is described to draw high
The other end of resistance is placed in high level；The output end of the TTL bidirectional monitoring circuit and it is described send diode positive terminal with
And the positive terminal of reception diode is connected；
When the transmission message is input to the transmission message input terminal of TTL bidirectional monitoring circuit, receives message input terminal and be placed in
High level realizes the communication path for sending message input terminal to output end to shield the reception message input terminal；
When the reception message is input to the reception message input terminal of TTL bidirectional monitoring circuit, sends message input terminal and be placed in
High level realizes the communication path for receiving message input terminal to output end to shield the transmission message input terminal.
9. the method according to the description of claim 7 is characterized in that the functional interface with power information acquisition terminal connects
It connects, comprising:
Multiple input adapters of module connection unit are corresponding solid according to the position of TTL signal interface each on power information acquisition terminal
Fixed arrangement, and be attached with corresponding TTL signal interface by grafting.
10. according to the method described in claim 9, it is characterized by:
Using multiple input adapters of the TTL signal interface position Corresponding matching on the left box with power information acquisition terminal, lead to
Grafting is crossed to be attached with the TTL signal interface on the left box；
Using multiple input adapters of the TTL signal interface position Corresponding matching on the right box with power information acquisition terminal, lead to
Grafting is crossed to be attached with the TTL signal interface on the right box.
11. the method according to the description of claim 7 is characterized in that the communication report carried to the RS232 level signal
Text carries out monitoring analysis, comprising:
It is attached by RS232 communication interface and the signal conversion circuit；
Monitoring analysis is carried out to communication message according to the default monitoring software for completing communication configuration.
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