CN109474614A - A kind of analytic method and system of multi-protocols - Google Patents
A kind of analytic method and system of multi-protocols Download PDFInfo
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- CN109474614A CN109474614A CN201811513429.5A CN201811513429A CN109474614A CN 109474614 A CN109474614 A CN 109474614A CN 201811513429 A CN201811513429 A CN 201811513429A CN 109474614 A CN109474614 A CN 109474614A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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Abstract
The invention discloses a kind of analytic method of multi-protocols and systems, wherein method is the following steps are included: obtain the response frame information uploaded by DTU, the acknowledgement frame information includes the identification information of DTU and the acknowledgement frame of sensor；The acknowledgement frame of sensor is parsed in conjunction with the identification information and predetermined manner of DTU, and the data that parsing obtains are stored.The present invention is identified various types of sensors by increasing the identification information of DTU, is parsed according to acknowledgement frame of the identification information of DTU to the sensor of different agreement type, to realize the parsing to various protocols；In addition, since each sensor needs one DTU of configuration to achieve the effect that low cost there is no need to increase hardware cost the parsing of multi-protocols can be realized, can be widely applied to field of communication technology.
Description
Technical field
The present invention relates to field of communication technology more particularly to the analytic methods and system of a kind of multi-protocols.
Background technique
The development trend of Internet of Things is more and more brighter and clearer at present.The sensor of the Internet of Things bottom, due to each sensor production
Producer is different, and the agreement of every kind of sensor is different, when sensor type more to certain amount, causes sensing data upper
When the machine software parsing of position, it is extremely easy to appear parsing mistake.The agreement of mainstream includes JSON, Modbus etc. at present, due to these
The instruction not field of customization type, character function of the sensor response of agreement, if several different types of sensings
The agreement of device is Modbus agreement, and type-A sensor and B type sensor agreement occur is the same situation, is parsed
Sensing data can not know be which kind of type sensor data, will lead to upper computer software can not show accurate sensor
The problem of categorical data.If it is JSON agreement will lead to and access below in the case where sensor type more to certain amount
Sensor type data can not parse or with front sensor type exist conflict the case where, lead to upper computer software system
Compatibility is poor.
For the parsing for solving the problems, such as sensor agreement, existing way is that major producer establishes grinding for oneself one after another
Troop, or cooperation are sent out, unified all types of sensor protocol questions, are just first designed in initial stage of development since sensor bottom
The problem of a whole set of good sensor type parsing, the identifier that each type of sensor has its exclusive can quick quilt
The problem of upper computer software identifies and sorts out, although such mode can solve the sensor agreement of polymorphic type, but its disadvantage
Also clearly, whole sensors need to be developed again, needs to recruit a large amount of Hardware Engineer, it is only solid financial strength
Large enterprises can just accomplish, be unfavorable for the development of Internet of Things industry.Or the analytic method of various protocols is incorporated into host computer,
It carries out parsing alone to the data that sensor returns to compare, this mode can also make reluctantly in the less situation of sensor type
With when up to tens kinds of number of sensors, by appearance parsing overlong time, it is common practice that replacement resolution speed is faster
CPU, but this kind of method will lead to the excessively high problem of hardware cost, it is unrealistic.
Explanation of nouns:
DTU:DTU (Data Transfer unit) is used exclusively for being converted to serial data IP data or by IP number
According to being converted to the serial data wireless terminal device that network is transmitted by wireless communication.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide one kind can be compatible with various protocols and low cost
Analytic method.
It is a further object of the present invention to provide the resolution systems that one kind can be compatible with various protocols and low cost.
Technical solution used by the method for the present invention is:
A kind of analytic method of multi-protocols, comprising the following steps:
The response frame information uploaded by DTU is obtained, the acknowledgement frame information includes the identification information and sensor of DTU
Acknowledgement frame；
The number that the acknowledgement frame of sensor is parsed in conjunction with the identification information and predetermined manner of DTU, and parsing is obtained
According to being stored.
Further, the identification information of the DTU is the ID number of DTU, the identification information and predetermined manner pair of the combination DTU
The acknowledgement frame of sensor is parsed, and will parse the step for data obtained are stored, specifically includes the following steps:
The type information of sensor is obtained according to the ID number of DTU；
The data for obtaining corresponding agreement according to type information to parse the acknowledgement frame of sensor, and parsing being obtained
It is stored.
Further, described corresponding agreement to be obtained according to type information the acknowledgement frame of sensor is parsed, and will solution
The step for data that analysis obtains are stored, specifically includes the following steps:
Corresponding agreement is obtained according to type information to parse the acknowledgement frame of sensor；
After the length information for judging acknowledgement frame meets preset length condition, whether just the check code of acknowledgement frame is judged
Really, if so, obtaining monitoring data from acknowledgement frame according to predetermined manner, and monitoring data are stored into preset database；
Conversely, deleting acknowledgement frame and terminating parsing operation；
After the length information for judging acknowledgement frame does not meet preset length condition, deletes acknowledgement frame and terminate parsing behaviour
Make.
Further, described the step for obtaining the response frame information uploaded by DTU, specifically:
The data frame uploaded by DTU is successively received, and after determining and being not received by data frame in preset time, it will
The data frame received is as response frame information.
Further, further comprising the steps of:
After request frame information is sent to DTU, DTU will request frame information to be sent to sensor, so that sensor return is answered
Answer frame.
Further, the identification information of the DTU is the heartbeat packet of DTU.
Further, the type information includes Modbus protocol type and JSON protocol type.
Technical solution used by present system is:
A kind of resolution system of multi-protocols, including sensor, DTU and host computer, the sensor pass through DTU and host computer
Establish communication connection；
The DTU is uploaded to host computer for that will reply frame information, the acknowledgement frame information include DTU identification information and
The acknowledgement frame of sensor；
The host computer is used to parse the acknowledgement frame of sensor in conjunction with the identification information and predetermined manner of DTU, and
The data that parsing obtains are stored.
Further, the identification information of the DTU is the ID number of DTU, and the host computer is specifically used for being obtained according to the ID number of DTU
Take the type information of sensor；It obtains corresponding agreement according to type information to parse the acknowledgement frame of sensor, and will solution
The data that analysis obtains are stored.
Further, after the host computer is also used to frame information will be requested to be sent to DTU, DTU will request frame information to be sent to
Sensor, so that sensor returns to acknowledgement frame.
The beneficial effects of the present invention are: the present invention carries out various types of sensors by increasing the identification information of DTU
Mark, parses according to acknowledgement frame of the identification information of DTU to the sensor of different agreement type, to realize to a variety of associations
The parsing of view；In addition, there is no need to increase hardware cost more associations can be realized since each sensor needs one DTU of configuration
The parsing of view has achieved the effect that low cost.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of the analytic method of multi-protocols；
Fig. 2 is a kind of structural block diagram of the resolution system of multi-protocols.
Specific embodiment
Embodiment one
As shown in Figure 1, a kind of analytic method of multi-protocols, comprising the following steps:
A1, will request frame information be sent to DTU after, DTU by request frame information be sent to sensor so that sensor return
Acknowledgement frame.
The response frame information that A2, acquisition are uploaded by DTU, the acknowledgement frame information includes the identification information and sensing of DTU
The acknowledgement frame of device.
A3, the identification information in conjunction with DTU and predetermined manner parse the acknowledgement frame of sensor, and parsing is obtained
Data are stored.
The above method is executed by host computer, and host computer will request frame information to be sent to DTU, DTU by way of TCP/IP
Upper computer software claim frame is received by transparent transmission mode, is transmitted further to all the sensors, the claim frame information includes sensor
Address information.All the sensors are receiving claim frame, but sensor only identical with own protocol frame could will communicate
Frame parsing is correct, and only the consistent sensor of destination address can just return to acknowledgement frame in Self address and frame.One DTU can be with
A sensor is connected, also can connect the identical sensor of several types, when DTU will request frame information to pass through broadcast mode
When being transferred to the sensor being attached thereto, only the consistent sensor of destination address could correctly be parsed simultaneously in Self address and frame
Respond acknowledgement frame.After host computer receives response frame information, the identification information of the DTU in response frame information is obtained, and according to DTU
Identification information the acknowledgement frame of sensor is parsed, thus realize different types of sensor is parsed,；In addition,
Since each sensor needs one DTU of configuration to reach there is no need to increase hardware cost the parsing of multi-protocols can be realized
The effect of low cost.
Wherein, the identification information of the DTU is the ID number of DTU, and step A3 specifically includes A31~A32:
A31, the type information that sensor is obtained according to the ID number of DTU；
A32, corresponding agreement is obtained according to type information the acknowledgement frame of sensor is parsed, and parsing is obtained
Data are stored.
Corresponding agreement is obtained specifically, described according to type information the acknowledgement frame of sensor is parsed, and will solution
The step for data that analysis obtains are stored, specifically includes step B1~B3:
B1, corresponding agreement is obtained according to type information the acknowledgement frame of sensor is parsed.
B2, after the length information for judging acknowledgement frame meets preset length condition, judge acknowledgement frame check code whether
Correctly, if so, obtaining monitoring data from acknowledgement frame according to predetermined manner, and monitoring data are stored to preset database
In；Conversely, deleting acknowledgement frame and terminating parsing operation.
B3, after the length information for judging acknowledgement frame does not meet preset length condition, delete acknowledgement frame simultaneously terminate to parse
Operation.
Existing sensor device is almost all based on RS485 bussing technique and Modbus agreement.RS485 bus is to utilize
" being identified from device address from equipment ".Specific practice is exactly that main equipment sends inquiry message, then etc. to be received to return from equipment
The data returned.Assuming that there is the two kinds of sensor of A, B, all types of sensors has 3, and sensor address is 01-03,
It is standard Modbus agreement, the division of labor of traditional method each section is as follows, upper computer software, sends the sensing of 01 address of type-A
Device claim frame, which is given, issues DTU by TCP/IP, and claim frame is issued all the sensors, the sensor of correct analysis request frame by DTU
Acknowledgement frame is responded, acknowledgement frame is transferred to upper computer software by DTU radio transmission apparatus, and upper computer software uses type-A respectively
Analysis protocol and the analysis protocol of B type carry out data parsing.Since acknowledgement frame is also the Modbus agreement of standard, A, B type
Sensor acknowledgement frame is only different in data field, therefore the data host computer parsed can not differentiate type-A or B class
Type sensor.
Method in the present embodiment is distinguish sensor type using the registration ID of DTU, for example, with type-A sensor
The DTU of connection registers ID and numbers as 123123A, 123123 for DTU, and A is sensor type.When host computer gets the ID of DTU
When, that is, it may know that the type of sensor.Such as: upper computer software sends 01 Address requests frame of type-A and passes through transparent transmission to DTU, DTU
Claim frame is transferred to sensor by mode, and all the sensors are receiving claim frame, only destination address in Self address and frame
Consistent sensor can just return to acknowledgement frame, and other sensors do discard processing to the claim frame.Sensor sends acknowledgement frame
To DTU, after DTU receives acknowledgement frame, the ID number of DTU and acknowledgement frame are occurred together to host computer.Host computer receives acknowledgement frame
After information, according to being retrieved after the number of the ID number of DTU, the type of the sensor is retrieved, if retrieved according to the ID number of DTU
Less than corresponding type, then the acknowledgement frame is abandoned.After retrieving sensor type, by the agreement of the type to acknowledgement frame
It is parsed, and the data after being parsed, judges whether the length of data meets preset standard, it, will if do not met
Acknowledgement frame abandons.If complied with standard, the check code of acknowledgement frame is further verified, if check code is incorrect, by acknowledgement frame
It abandons；If check code is correct, monitoring data, in the present embodiment, acknowledgement frame are obtained from acknowledgement frame according to predetermined manner
The monitoring data of first place, i.e. address code and the 4th to the data before check code, as sensor.Host computer obtains monitoring number
According to rear, monitoring data are stored in preset database.
In the above method, which kind of type sensor agreement upper computer software can fast and accurately find with and carry out data solution
Analysis, and store the sensor for arriving corresponding types.Moreover, DTU registers ID NULI character length limitation, it can customize, it is meant that pass
The access of sensor type is not limited by quantity.Therefore it can satisfy the requirement of thumping majority sensor parsing.
It is further used as preferred embodiment, the response frame information uploaded by DTU is obtained described in the step A2
The step for, specifically:
The data frame uploaded by DTU is successively received, and after determining and being not received by data frame in preset time, it will
The data frame received is as response frame information.
The data frame received is stored in buffer area by host computer when receiving acknowledgement frame, is not had within the preset time
Receive fresh character, then it is assumed that reply data frame end, buffer area using all data frames received as response frame information, and
Response frame information is parsed.
It is further used as preferred embodiment, the identification information of the DTU is the heartbeat packet of DTU.
The identification information of DTU can be ID number, or the identification information of DTU is discussed in detail in heartbeat packet, the above views
The case where for ID number.When the identification information of DTU is the heartbeat packet of DTU, DTU heartbeat packet and registration ID are arranged to unanimously, lead to
The timed sending time of customized DTU heartbeat packet is crossed, the timed sending time is consistent with the response time of sensor, then upper
Machine can receive DTU heartbeat packet while receiving sensor acknowledgement frame, and the effect phase of the content of heartbeat packet and ID number
Together.
It is further used as preferred embodiment, the type information includes Modbus protocol type and JSON protocol class
Type.
The type information includes Modbus protocol type and JSON protocol type, further includes other protocol types,
To greatly increase compatibility.
The above method, by the customized registration ID number or heartbeat Bale No. of DTU, to be sensed to the sensor of each type
Device type identifier.And DTU is the radio transmission apparatus that sensor must be equipped with, and does not increase the cost of system, can satisfy
The parsing of all sensors.
Embodiment two
It is described the present embodiment provides a kind of resolution system of multi-protocols, including sensor, DTU and host computer referring to Fig. 2
Sensor establishes communication connection by DTU and host computer；
The DTU is uploaded to host computer for that will reply frame information, the acknowledgement frame information include DTU identification information and
The acknowledgement frame of sensor；
The host computer is used to parse the acknowledgement frame of sensor in conjunction with the identification information and predetermined manner of DTU, and
The data that parsing obtains are stored.
In above system, after host computer receives response frame information, the identification information of the DTU in response frame information is obtained,
And parsed according to acknowledgement frame of the identification information of DTU to sensor, different types of sensor is solved to realize
Analysis,；In addition, there is no need to increase hardware cost the solution of multi-protocols can be realized since each sensor needs one DTU of configuration
Analysis, has achieved the effect that low cost.Wherein, sensor 1 represents first sensor, and sensor 2 represents second sensor, passes
Sensor n represents n-th of sensor
It is further used as preferred embodiment, the identification information of the DTU is the ID number of DTU, and the host computer is specific
For obtaining the type information of sensor according to the ID number of DTU；Corresponding agreement is obtained according to type information to answer sensor
It answers frame to be parsed, and the data that parsing obtains is stored.
It is further used as preferred embodiment, after the host computer is also used to frame information will be requested to be sent to DTU, DTU
Request frame information is sent to sensor, so that sensor returns to acknowledgement frame.
A kind of multi-protocols provided by the embodiment of the present invention one can be performed in a kind of resolution system of multi-protocols of the present embodiment
Analytic method, any combination implementation steps of executing method embodiment have the corresponding function of this method and beneficial effect.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of analytic method of multi-protocols, which comprises the following steps:
The response frame information uploaded by DTU is obtained, the acknowledgement frame information includes the identification information of DTU and the response of sensor
Frame；
The acknowledgement frame of sensor is parsed in conjunction with the identification information and predetermined manner of DTU, and by parsing obtain data into
Row storage.
2. a kind of analytic method of multi-protocols according to claim 1, which is characterized in that the identification information of the DTU is
The ID number of DTU, the identification information and predetermined manner of the combination DTU parses the acknowledgement frame of sensor, and parsing is obtained
The step for data obtained are stored, specifically includes the following steps:
The type information of sensor is obtained according to the ID number of DTU；
The data for obtaining corresponding agreement according to type information to parse the acknowledgement frame of sensor, and parsing being obtained carry out
Storage.
3. a kind of analytic method of multi-protocols according to claim 2, which is characterized in that described to be obtained according to type information
Corresponding agreement parses the acknowledgement frame of sensor, and will parse the step for data obtained are stored, specific to wrap
Include following steps:
Corresponding agreement is obtained according to type information to parse the acknowledgement frame of sensor；
After the length information for judging acknowledgement frame meets preset length condition, judge whether the check code of acknowledgement frame is correct, if
It is monitoring data to be obtained from acknowledgement frame according to predetermined manner, and monitoring data are stored into preset database；Conversely,
It deletes acknowledgement frame and terminates parsing operation；
After the length information for judging acknowledgement frame does not meet preset length condition, deletes acknowledgement frame and terminate parsing operation.
4. a kind of analytic method of multi-protocols according to claim 1, which is characterized in that described obtain is uploaded by DTU
Response frame information the step for, specifically:
The data frame uploaded by DTU is successively received, and after determining and being not received by data frame in preset time, will be received
The data frame arrived is as response frame information.
5. a kind of analytic method of multi-protocols according to claim 1, which is characterized in that further comprising the steps of:
After request frame information is sent to DTU, DTU will request frame information to be sent to sensor, so that sensor returns to acknowledgement frame.
6. a kind of analytic method of multi-protocols according to claim 1, which is characterized in that the identification information of the DTU is
The heartbeat packet of DTU.
7. a kind of analytic method of multi-protocols according to claim 2, which is characterized in that the type information includes
Modbus protocol type and JSON protocol type.
8. a kind of resolution system of multi-protocols, which is characterized in that including sensor, DTU and host computer, the sensor passes through
DTU and host computer establish communication connection；
The DTU is uploaded to host computer for that will reply frame information, and the acknowledgement frame information includes the identification information and sensing of DTU
The acknowledgement frame of device；
The host computer is used to parse the acknowledgement frame of sensor in conjunction with the identification information and predetermined manner of DTU, and will solution
The data that analysis obtains are stored.
9. a kind of resolution system of multi-protocols according to claim 8, which is characterized in that the identification information of the DTU is
The ID number of DTU, the host computer are specifically used for obtaining the type information of sensor according to the ID number of DTU；It is obtained according to type information
It takes corresponding agreement to parse the acknowledgement frame of sensor, and the data that parsing obtains is stored.
10. a kind of resolution system of multi-protocols according to claim 8, which is characterized in that the host computer be also used to by
After request frame information is sent to DTU, DTU will request frame information to be sent to sensor, so that sensor returns to acknowledgement frame.
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