CN118055169A - Industrial gateway selection method and device - Google Patents
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- H—ELECTRICITY
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- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
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- H—ELECTRICITY
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- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
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Abstract
The invention relates to the field of industrial gateways, in particular to an industrial gateway selection method and device, comprising the following steps: dividing each gateway into a first-level gateway and a fifth-level gateway based on the gateway evaluation value; using a first-level gateway to receive an initial data message sent by a data source, and completing switching of a corresponding gateway after selecting the grade of the gateway to be switched based on the transmission quantity of data in a preset time length; message data identification; determining an input exchange protocol corresponding to the data message when the identification of the data message accords with a preset standard based on the communication baud rate; the data transmission method comprises the steps of sending the data transmission request to a gateway analysis module, and judging whether the data transmission accords with a preset standard or not based on response time length; and finishing the protocol conversion of the data message. The device comprises: the system comprises a data acquisition module, a selection determination module and a display module. High-efficiency identification of industrial gateway data is ensured.
Description
Technical Field
The present invention relates to the field of industrial gateways, and in particular, to a method and apparatus for selecting an industrial gateway.
Background
The industrial gateway is also called an industrial Internet of things intelligent gateway, a wireless data acquisition gateway, a communication acquisition gateway, a PLC wireless gateway and an industrial communication gateway, and is intelligent embedded network equipment. The main function of the cloud platform is to mine industrial equipment data and access the data to the cloud platform. The industrial gateway plays a role in supporting up and down in application, is configured with a cloud platform on the upper side, is connected with industrial equipment on the lower side, and realizes uploading and downloading of information. The method can collect data of the field and the equipment, perform optimization screening by utilizing an edge computing function, intensively gather the data into an industrial cloud platform to form a visual data report record, thereby realizing remote control, remote upgrading, remote communication, real-time monitoring and the like of the industrial equipment.
Chinese patent publication No.: CN115378870a discloses an industrial gateway selecting method and device, the industrial gateway selecting method is executed by a device, the method comprises: calculating preference values of all gateways, and arranging and storing all gateways according to the preference values from big to small; sending a matching request to a gateway corresponding to the maximum value in the preference values; and receiving a refused matching response of the gateway, deleting the preference value corresponding to the gateway, and sending a matching request to the gateway corresponding to the maximum value in the rest preference values until the matching response request of the gateway is received. It can be seen that although the gateway storage space is maximally utilized in the technical scheme, the time consumption in the matching process is long, so that the recognition efficiency of the transmitted data is low, and the data transmission efficiency is affected.
Disclosure of Invention
Therefore, the invention provides an industrial gateway selection method and device, which are used for solving the problems of long time consumption, poor recognition rate and poor transmission efficiency of transmission data caused by influence in the matching process in the prior art.
To achieve the above object, in one aspect, the present invention provides an industrial gateway selection method, including:
classifying each gateway based on the gateway evaluation value;
Using a first-level gateway to receive an initial data message sent by a data source, and completing switching of a corresponding gateway after selecting the grade of the gateway to be switched based on the transmission quantity of data in a preset time length;
Receiving message data through a communication interface of the gateway and identifying the received message data;
determining an input exchange protocol corresponding to the data message when the identification of the data message accords with a preset standard based on the communication baud rate;
the determined input exchange protocol and the data message are sent to a gateway analysis module, and whether the data transmission accords with a preset standard is judged based on the response time length;
and selecting the gateway to complete the protocol conversion of the data message when the data transmission meets the preset standard.
Further, the gateway evaluation value is obtained by the formula (1),
（1），
In the formula (1), Q is a gateway evaluation value,For the first evaluation coefficient, set/>，/>For the second evaluation coefficient, set/>T is gateway operation, T0 is a preset operation threshold, L is throughput, and L0 is a preset throughput threshold.
Further, the process of completing the switching of the corresponding gateway after selecting the grade of the gateway to be switched based on the transmission quantity of the data in the preset time period comprises the steps of respectively comparing the transmission quantity with a first preset transmission quantity threshold value and a second preset transmission quantity threshold value, and completing the switching of the corresponding gateway after raising the grade of the gateway to be switched by one grade if the transmission quantity is larger than or equal to the first preset transmission quantity threshold value and smaller than the second preset transmission quantity threshold value; and if the transmission quantity is larger than or equal to a second preset transmission quantity threshold value, the grade of the gateway to be switched is increased by two grades, and then the switching of the corresponding gateway is completed.
Further, when the identification of the data message is judged to be not in accordance with the preset standard based on the communication baud rate, the communication network of the gateway is switched.
Further, the input exchange protocol corresponding to the data message includes obtaining a protocol set of the data source and a header field corresponding to the data message as a first identification field and performing matching identification with each protocol to be matched in the protocol set, or randomly selecting each type of field corresponding to any one protocol to be matched in each protocol to be matched in the protocol set as each type of identification field and then matching any type of identification field with a text field of the data message.
Further, the response time is the time from the receiving of the message data by the communication interface to the receiving of the input exchange protocol and the data message by the parsing module.
Further, when the data transmission is judged to be not in accordance with the preset standard based on the response time length, the input exchange protocol is acquired again, the response time length is determined again, or the response time length is determined again after the gateway is switched to the gateway with the higher level.
Further, when the selection of the industrial gateway is judged to be not in accordance with the preset standard based on the comparison of the response time length after protocol conversion and the response time length before protocol conversion, the bandwidth of the communication network is expanded.
Further, the expansion amplitude of the bandwidth of the communication network is positively correlated with a response time length difference, and the response time length difference is the response time length after protocol conversion and the response time length before protocol conversion.
In another aspect, the present invention also provides an industrial gateway selecting device, including:
The data acquisition module is respectively connected with the data sources and the gateways and comprises an input unit for inputting information of the gateways and a process acquisition unit for acquiring gateway protocol conversion information, wherein the gateway information comprises the operation and throughput of the gateways, and the gateway protocol conversion information comprises the transmission quantity and response time of the data;
The selection determining module is connected with the data acquisition module and is used for classifying gateway grades according to gateway evaluation values, changing the grade of the gateway according to the transmission quantity of data in a preset duration and judging whether the identification of the data message accords with a preset standard according to the communication baud rate;
and the display module is connected with the selection determination module and used for displaying the result judged by the selection determination module.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, each gateway is divided into a first-level gateway and a fifth-level gateway through gateway evaluation values, then the first-level gateway is used for receiving an initial data message sent by a data source, and switching of the corresponding gateway is completed after selecting the level of the gateway to be switched based on the transmission quantity of data in a preset time length; then, message data identification is carried out, and the input exchange protocol corresponding to the data message is determined when the identification of the data message accords with a preset standard based on the communication baud rate; and sending the data transmission to a gateway analysis module, and judging whether the data transmission accords with a preset standard or not based on the response time length. Therefore, the matching process is optimized, and the transmission data is efficiently identified.
Further, the invention fits the corresponding gateway evaluation values to divide each gateway by collecting the key parameters of the gateway performance, namely the operation and the throughput, and setting two evaluation parameters.
Further, the invention completes the switching of the corresponding gateway after selecting the grade of the gateway to be switched through the transmission quantity of the data in the preset time length, thereby automatically optimizing and selecting the corresponding gateway.
Further, the influence of the current network environment on the transmission condition of the data message is determined by analyzing the communication baud rate, if the identification of the data message is judged to be not in accordance with the preset standard, the current network line is switched to reduce the environment interference, so that the actual communication baud rate is improved, and the quality and the stability of the data transmission are ensured.
Furthermore, the invention analyzes the communication baud rate and determines the selection method of the input exchange protocol corresponding to the data message, thereby realizing the efficient identification of the exchange protocol.
Further, when the response time length judges that the data transmission does not meet the preset standard, the invention re-acquires the input exchange protocol and re-determines the response time length, or re-determines the response time length after switching the gateway into the gateway with the higher level, thereby ensuring the response time length and realizing the efficient data identification.
Further, when the response time is not up to standard, the new response time is determined again after the corresponding improvement so as to verify the effect of the improvement, thereby self-learning optimizing the selection of the gateway and ensuring the efficient identification data.
Furthermore, the device of the invention realizes the efficient identification of data by arranging the data acquisition module, the selection determination module and the display module and optimizing the selection of the gateway by self-learning, thereby ensuring the transmission efficiency of the data.
Drawings
FIG. 1 is a flow chart of an industrial gateway selection method according to an embodiment of the present invention;
FIG. 2 is a block diagram of an industrial gateway selection device according to an embodiment of the present invention;
Fig. 3 is a switching flowchart of a gateway according to an embodiment of the present invention;
fig. 4 is a flowchart of determining data transmission based on response time length according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that the data in this embodiment are obtained by comprehensively analyzing and evaluating the historical data of the industrial gateway in the three months before the operation and the corresponding historical results. It will be understood by those skilled in the art that the method of the present invention may select, for the single item of parameter determination, a value with the highest duty ratio as a preset standard parameter according to the data distribution, use weighted summation to take the obtained value as the preset standard parameter, substitute each historical data into a specific formula, and take the value obtained by using the formula as the preset standard parameter or other selection modes, so long as the system of the present invention can clearly define different specific situations in the single item determination process through the obtained value.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
Please refer to fig. 1, fig. 2, fig. 3, and fig. 4, which are flowcharts of an industrial gateway selection method according to an embodiment of the present invention; the embodiment of the invention provides a structural block diagram of an industrial gateway selecting device; the switching flow chart of the gateway of the embodiment of the invention; the embodiment of the invention judges the flow chart of data transmission based on the response time length.
In one aspect, an industrial gateway selection method in an embodiment of the present invention includes:
Step S1, dividing each gateway into a first-level gateway and a fifth-level gateway based on gateway evaluation values;
Step S2, receiving an initial data message sent by a data source by using a primary gateway, and completing switching of a corresponding gateway after selecting a grade of the gateway to be switched based on the transmission amount of data in a preset time length;
Step S3, receiving message data through a communication interface of the gateway and identifying the received message data;
step S4, determining an input exchange protocol corresponding to the data message when the identification of the data message accords with a preset standard based on the communication baud rate;
Step S5, the determined input exchange protocol and data message are sent to a gateway analysis module, and whether the data transmission accords with a preset standard is judged based on the response time length;
and S6, responding to the data transmission meeting the preset standard, and selecting the gateway to complete the protocol conversion of the data message.
Specifically, the gateway evaluation value is obtained by the formula (1),(1) In the formula (1), Q is a gateway evaluation value,/>For the first evaluation coefficient, set/>，/>For the second evaluation coefficient, set/>T is a gateway operation, T0 is a preset operation threshold, t0=512m is set, L is throughput, L0 is a preset throughput threshold, and l0=10mbps is set. The method comprises the steps of collecting key parameters of gateway performance, namely the fortune and the regurgitation quantity of the gateway, and setting two evaluation parameters, so that corresponding gateway evaluation values are fitted to divide the gateways.
Specifically, in step S1, each gateway is divided based on the gateway evaluation value, wherein,
If the gateway evaluation value is smaller than the first preset gateway evaluation value by 0.25, judging that the gateway is a primary gateway;
If the gateway evaluation value is greater than or equal to the first preset gateway evaluation value and less than the second preset gateway evaluation value by 0.47, judging that the gateway is a secondary gateway;
If the gateway evaluation value is greater than or equal to the second preset gateway evaluation value and less than the third preset gateway evaluation value by 0.85, judging that the gateway is a three-level gateway;
if the gateway evaluation value is greater than or equal to the third preset gateway evaluation value and less than the fourth preset gateway evaluation value by 1.46, judging that the gateway is a four-level gateway;
and if the gateway evaluation value is greater than or equal to the fourth preset gateway evaluation value, judging that the gateway is a five-level gateway.
Specifically, the process of completing the switching of the corresponding gateway after selecting the grade of the gateway to be switched based on the transmission amount of the data in the preset time period includes:
The transmission quantity is respectively compared with a first preset transmission quantity threshold value and a second preset transmission quantity threshold value,
If the transmission quantity is smaller than a first preset transmission quantity threshold value, using a primary gateway to receive an initial data message sent by a data source;
if the transmission quantity is larger than or equal to a first preset transmission quantity threshold value and smaller than a second preset transmission quantity threshold value, the grade of the gateway to be switched is increased by one grade, and then the switching of the corresponding gateway is completed;
if the transmission quantity is larger than or equal to a second preset transmission quantity threshold value, the grade of the gateway to be switched is increased by two steps, and then the switching of the corresponding gateway is completed;
The first preset transfer amount threshold is set to 450M, the second preset transfer amount threshold is set to 800M, and the preset duration is set to 1S.
Specifically, when the identification of the communication baud rate judging data message does not meet the preset standard, switching the communication network of the gateway from the communication network 1 to the communication network 2, wherein the communication network 1 and the communication network 2 are two sets of network lines provided and respectively correspond to different standard communication baud rate ranges, wherein the communication network 2 has higher corresponding second standard communication baud rate than the communication network 1, and the communication network 2 has better transmission performance than the communication network 1.
Specifically, the process of determining that the identification of the data message does not meet the preset standard based on the communication baud rate is to compare the communication baud rate with a first preset communication baud rate, and if the communication baud rate is smaller than the first preset communication baud rate, determining that the identification of the data message does not meet the preset standard.
Specifically, in the step S4, the determination of the input exchange protocol corresponding to the data packet is:
If the communication baud rate is larger than or equal to the first preset communication baud rate and smaller than the second preset communication baud rate, a protocol set of a data source and a header field corresponding to the data message are obtained as a first identification field, and matching identification is carried out on the protocol set and each protocol to be matched;
And if the communication baud rate is greater than or equal to a second preset communication baud rate, randomly selecting various types of fields corresponding to any one protocol to be matched from all protocols to be matched in a protocol set, respectively taking the various types of fields as various types of identification fields, and then matching any type of identification fields with the text segments of the data message.
The first preset communication baud rate and the second preset communication baud rate form a standard communication baud rate range, the communication baud rate represents the bit number of binary data transmitted on a communication line per second, the set value is related to the data source characteristic and the network line, and the actual communication baud rate is in the standard communication baud rate range so as to ensure correct data communication, wherein the first preset communication baud rate is 19.2K, and the second preset communication baud rate is 187.5K.
Specifically, the response time is the time from the receiving of the message data by the communication interface to the receiving of the input exchange protocol and the data message by the parsing module.
In particular, it is determined whether the data transmission meets a preset criterion based on the response time duration, wherein,
If the response time is smaller than the first preset response time, judging that the data transmission accords with a preset standard and selecting the gateway to finish the protocol conversion of the data message;
If the response time length is greater than or equal to the first preset response time length and less than the second preset response time length, judging that the data transmission does not accord with the preset standard, reacquiring an input exchange protocol and determining the response time length again;
If the response time length is greater than or equal to the second preset response time length, determining that the data transmission does not meet the preset standard, switching the gateway into a gateway with a higher level, and then determining the response time length again;
Setting the first preset response time length to be 40ms and setting the second preset response time length to be 60ms.
Specifically, whether the selection of the industrial gateway meets the preset standard is judged based on the comparison of the response time length after the protocol conversion and the response time length before the protocol conversion, and when the response time length after the protocol conversion is greater than the response time length before the protocol conversion, the selection of the industrial gateway does not meet the preset standard is judged, and the bandwidth of the communication network is expanded.
Specifically, the expansion amplitude of the bandwidth of the communication network is positively correlated with the response time length difference, wherein the response time length difference is the response time length after protocol conversion and the response time length before protocol conversion, that is, the larger the response time length difference is, the larger the expansion amplitude of the bandwidth of the communication network is.
In another aspect, the present invention also provides an industrial gateway selecting device, including:
The data acquisition module is respectively connected with the data sources and the gateways and comprises an input unit for inputting information of the gateways and a process acquisition unit for acquiring gateway protocol conversion information, wherein the gateway information comprises the operation and throughput of the gateways, and the gateway protocol conversion information comprises the transmission quantity and response time of the data;
The selection determining module is connected with the data acquisition module and is used for classifying gateway grades according to gateway evaluation values, changing the grade of the gateway according to the transmission quantity of data in a preset duration and judging whether the identification of the data message accords with a preset standard according to the communication baud rate;
and the display module is connected with the selection determination module and used for displaying the result judged by the selection determination module.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An industrial gateway selection method, comprising:
classifying each gateway into a class based on the gateway evaluation value;
Using a first-level gateway to receive an initial data message sent by a data source, and completing switching of a corresponding gateway after selecting the grade of the gateway to be switched based on the transmission quantity of data in a preset time length;
Receiving message data through a communication interface of the gateway and identifying the received message data;
determining an input exchange protocol corresponding to the data message when the identification of the data message accords with a preset standard based on the communication baud rate;
the determined input exchange protocol and the data message are sent to a gateway analysis module, and whether the data transmission accords with a preset standard is judged based on the response time length;
and selecting the gateway to complete the protocol conversion of the data message when the data transmission meets the preset standard.
2. The method according to claim 1, wherein the gateway evaluation value is obtained by the formula (1),
（1），
In the formula (1), Q is a gateway evaluation value,For the first evaluation coefficient, set/>，/>For the second evaluation coefficient, setT is gateway operation, T0 is a preset operation threshold, L is throughput, and L0 is a preset throughput threshold.
3. The method for selecting an industrial gateway according to claim 2, wherein the process of completing the switching of the corresponding gateway after selecting the class of the gateway to be switched based on the transmission amount of the data in the preset time period includes comparing the transmission amount with a first preset transmission amount threshold and a second preset transmission amount threshold, respectively, and completing the switching of the corresponding gateway after raising the class of the gateway to be switched by one step if the transmission amount is greater than or equal to the first preset transmission amount threshold and less than the second preset transmission amount threshold; and if the transmission quantity is larger than or equal to a second preset transmission quantity threshold value, the grade of the gateway to be switched is increased by two grades, and then the switching of the corresponding gateway is completed.
4. The method according to claim 3, wherein the communication network of the gateway is switched when the identification of the data packet based on the communication baud rate determination does not meet a preset criterion.
5. The method according to claim 4, wherein the input exchange protocol corresponding to the data message includes obtaining a protocol set of a data source and a header field corresponding to the data message as a first identification field and performing matching identification with each protocol to be matched in the protocol set, or randomly selecting each type of field corresponding to any one of the protocols to be matched in the protocol set as each type of identification field, and then matching any type of identification field with a text field of the data message.
6. The method according to claim 5, wherein the response time is a time period from when the communication interface receives the message data to when the parsing module receives the input exchange protocol and the data message.
7. The method according to claim 6, wherein when it is determined that the data transmission does not meet the preset standard based on the response time length, the input switching protocol is retrieved and the response time length is determined again, or the response time length is determined again after the gateway is switched to the gateway higher in one stage.
8. The method according to claim 7, wherein the bandwidth of the communication network is expanded when it is determined that the selection of the industrial gateway does not meet a preset criterion based on a comparison of a response time period after the protocol conversion and a response time period before the protocol conversion.
9. The method according to claim 8, wherein the bandwidth expansion of the communication network is positively correlated with a response time difference, the response time difference being a response time after protocol conversion and a response time before protocol conversion.
10. An apparatus for using the industrial gateway selection method of any one of claims 1-9, comprising:
The data acquisition module is respectively connected with the data sources and the gateways and comprises an input unit for inputting information of the gateways and a process acquisition unit for acquiring gateway protocol conversion information, wherein the gateway information comprises the operation and throughput of the gateways, and the gateway protocol conversion information comprises the transmission quantity and response time of the data;
The selection determining module is connected with the data acquisition module and is used for classifying gateway grades according to gateway evaluation values, changing the grade of the gateway according to the transmission quantity of data in a preset duration and judging whether the identification of the data message accords with a preset standard according to the communication baud rate;
and the display module is connected with the selection determination module and used for displaying the result judged by the selection determination module.
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| US20120030737A1 (en) * | 1998-12-08 | 2012-02-02 | Nomadix, Inc. | System and method for authorizing a portable communication device |
| US20050232242A1 (en) * | 2004-04-16 | 2005-10-20 | Jeyhan Karaoguz | Registering access device multimedia content via a broadband access gateway |
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