CN114095547A - Marketing data acquisition method based on communication self-adaption - Google Patents
Marketing data acquisition method based on communication self-adaption Download PDFInfo
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Abstract
The invention discloses a marketing data acquisition method based on communication self-adaption, which comprises the following steps: a station area intelligent fusion terminal is used for actively sending a data survey request to a concentrator; based on the data enrollment request, the concentrator analyzes the data content to be read by using an information interaction model; and comparing the existing data information during initialization according to the analysis result, adding or deleting data center equipment information, storing the data center equipment information in a cache, and transmitting the cache information to the intelligent convergence terminal of the transformer area in frames. The invention uses the wildcard address and baud rate self-adaptive technology to improve the on-site installation and debugging efficiency and save time and labor cost; the data to be collected is configured by using the configuration file so as to meet the individual requirements of companies in various cities, and the upgrading work of the field installed APP, which is done because the collected data does not meet the field application, is reduced.
Description
Technical Field
The invention relates to the technical field of data acquisition, in particular to a marketing data acquisition method based on communication self-adaption.
Background
The platform district intelligence fuses the terminal and is under "cloud, pipe, limit, end" technical thinking, fuses functions such as distribution transformer terminal, concentrator, platform district table to satisfy distribution and utilization of electricity and emerging business demand design for the direction a can access to distribution automation system main website, power consumption information acquisition system main website, thing allies oneself with the novel platform district management equipment of management platform. The terminal is based on the design concept of hardware platform and software APP to acquire the data for the user meter in the field distribution area, control the user and the terminal including the meter, and support rapid deployment and convenient expansion of services. At present, a station area intelligent fusion terminal supports meter reading interfaces such as carrier waves and RS485, but cannot replace the function of a field operated concentrator, cannot realize the reloading of an encryption chip, seriously influences a marketing system to acquire household meter data, and influences the functions of electricity price calculation, cost control, power failure and power restoration and the like.
According to the existing protocol and communication mode, 4 interaction modes exist between the convergence terminal and the concentrator: network port-698.45, network port-376.1, serial port-698.45 and serial port-376.1. The concentrator based on the 3761 protocol only supports one TCP channel, so that the concentrator can only adopt a serial port communication mode under the condition of ensuring normal service, and generally adopts an RS485-II port as an uplink serial port for communication in combination with the field installation condition. The concentrator based on the 698 protocol supports connection of multiple master stations, and in order to guarantee on-site installation simplicity, the fusion terminal and the concentrator uniformly adopt an RS485-II serial port communication mode. As the Baud rates of RS485-II serial ports of the concentrators are required to be respectively inconsistent by companies in various cities (the Baud rates of 2400, 4800 and 9600 can exist), and the addresses of the copied concentrators are different, the addresses of the down-hung concentrators and the communication Baud rates of the RS485-II serial ports need to be configured when the APP is installed, and the workload of engineering installation and debugging is greatly increased.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned conventional problems.
Therefore, the technical problem solved by the invention is as follows: the functions of a concentrator which is operated on site cannot be replaced, the encryption chip cannot be installed again, the functions of collecting household meter data by a marketing system, calculating electricity price, controlling cost, stopping and resetting electricity and the like are seriously influenced, and the workload of engineering installation and debugging is increased.
In order to solve the technical problems, the invention provides the following technical scheme: a station area intelligent fusion terminal is used for actively sending a data survey request to a concentrator; based on the data enrollment request, the concentrator analyzes the data content to be read by using an information interaction model; and comparing the existing data information during initialization according to the analysis result, adding or deleting data center equipment information, storing the data center equipment information in a cache, and transmitting the cache information to the intelligent convergence terminal of the transformer area in frames.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: the information interaction model comprises an application layer, a data link layer and a physical layer.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: the physical layer is RS485 communication, the data link layer adopts DLT698.45/GDB376.1 protocol frames to communicate with the concentrator, and the application layer analyzes the replied message frames and stores the data in the data center according to the storage format of the data center for other APPs to use.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: judging whether the intelligent convergence terminal of the station area establishes physical link with the concentrator or not comprises the steps of sending down and reading a time message of the concentrator through an RS485-II port according to a wildcard address framing, sending three baud rates three times respectively, and returning the current time to the baud rate of which the handshake succeeds by the concentrator if the link is normal.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: the three baud rates include 2400, 4800, and 9600 baud rates.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: the data information which exists during the initialization according to the comparison of the analysis result comprises,
and (3) carrying out data comparison by using a pairing function:
wherein, epsilon represents an error,
respectively representing the coordinates of the feature points of the existing data information,
respectively representing coordinate values of the feature point coordinates in the analysis result after perspective transformation, NcRepresenting the number of matching point pairs;
if the error value is lower than the preset threshold value, the data comparison is successful.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: the data transmission comprises the steps of periodically reading the latest real-time and current data of the electric meter in the concentrator, and if the length of the data exceeds the maximum size of a sending frame, using frame division transmission; and periodically reading the archive information of the concentrator, and correspondingly adding or deleting equipment information in the data center by the intelligent integration terminal of the distribution room when the archive changes.
As a preferable aspect of the marketing data collection method based on communication adaptation according to the present invention, wherein: the platform district intelligence fuses terminal and the process of shaking hands of concentrator includes, shakes hands for the first time: when connection is established, the station zone intelligent fusion terminal SENDs a SYN packet (SYN j) to the concentrator, enters a SYN-SEND state, and waits for the confirmation of the concentrator; second handshake: the concentrator receives the SYN packet, must confirm the SYN (ACK ═ i + j) of the terminal station, it is a SYN packet (SYN ═ k) that it sends at the same time, namely SYN + ACK packet, the said concentrator enters into SYN-RECV state at this moment; third handshake: the station area intelligent fusion terminal receives a SYN + ACK packet of the concentrator, sends an acknowledgement packet ACK (ACK is k +1) to the concentrator, when the packet is sent, the station area intelligent fusion terminal and the concentrator enter an ESTABI
The invention has the beneficial effects that: the invention uses the wildcard address and baud rate self-adaptive technology to improve the on-site installation and debugging efficiency and save time and labor cost; the data to be collected is configured by using the configuration file so as to meet the individual requirements of companies in various cities, and the upgrading work of the field installed APP, which is done because the collected data does not meet the field application, is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic flow chart of an information interaction model of a platform area intelligent fusion terminal and a concentrator of a marketing data acquisition method based on communication adaptation according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an information interaction model module framework of a platform intelligent convergence terminal and a concentrator of a marketing data acquisition method based on communication adaptation according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an example of information interaction between a distribution room intelligent convergence terminal and a concentrator based on a communication adaptive marketing data acquisition method according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 3, an embodiment of the present invention provides a marketing data acquisition method based on communication adaptation, including:
s1: a station area intelligent fusion terminal is used for actively sending a data survey request to a concentrator;
it should be noted that, the module structure of the information interaction model of the platform area intelligent fusion terminal and the concentrator is shown in fig. 2, the two are connected by a physical channel, the terminal actively sends a data reporting and measuring request to the concentrator, and the data used by the concentrator is transmitted to the intelligent fusion terminal through an application layer, a data link layer and a physical layer.
The physical layer is RS485 communication; the data link communicates with the concentrator using DLT698.45/GDB376.1 protocol frames; and the application layer analyzes the replied message frame, and stores the data in the data center according to the storage format of the data center for other APPs to use.
S2: based on the data enrollment request, the concentrator analyzes the data content to be read by using an information interaction model;
it should be noted that, the information interaction between the intelligent convergence terminal and the concentrator is shown in fig. 3, for example, after the terminal is connected to the concentrator and handshake is successful, the terminal sends a read data packet, and if the reply packet of the concentrator exceeds the maximum size of a sent frame, the concentrator uses framing transmission. The terminal analyzes that the message contains the mark of the subsequent frame, the terminal sends and reads the message of the subsequent frame and continues to request the subsequent message until the response frame reaches the mark of the last frame.
Wherein, the process of shaking hands of platform district intelligent fusion terminal and concentrator includes:
first handshake: when the connection is established, the station area intelligent fusion terminal SENDs a SYN packet (SYN j) to the concentrator, enters a SYN-SEND state and waits for the confirmation of the concentrator;
second handshake: the concentrator receives the SYN packet, must confirm terminal SYN (ACK ═ i + j), send a SYN packet (SYN ═ k) at the same time too, namely SYN + ACK packet, the concentrator enters SYN-RECV state at this moment;
third handshake: and the district intelligent convergence terminal receives the SYN + ACK packet of the concentrator, sends an acknowledgement packet ACK (ACK is k +1) to the concentrator, and after the packet is sent, the district intelligent convergence terminal and the concentrator enter an ESTABI.
S3: and comparing the existing data information during initialization according to the analysis result, adding or deleting the data center equipment information, storing the data center equipment information in a cache, and transmitting the cache information to the intelligent fusion terminal of the transformer area in frames.
It should be noted that comparing the existing data information at the time of initialization according to the analysis result includes:
and (3) carrying out data comparison by using a pairing function:
wherein, epsilon represents an error,
respectively representing the coordinates of the feature points of the existing data information,
respectively representing coordinate values of the feature point coordinates in the analysis result after perspective transformation, NcRepresenting the number of matching point pairs;
if the error value is lower than the preset threshold value, the data comparison is successful.
More specifically, the specific information interaction process between the intelligent fusion terminal and the concentrator is as follows:
(1) and initializing and loading a default configuration file, determining the read data content, registering an ammeter model in a data center, and acquiring file information and registered equipment information in the data center.
(2) And judging whether a physical link is established between the intelligent convergence terminal of the platform area and the concentrator, framing according to the wildcard address, issuing a time message for reading the concentrator through an RS485-II port, sending three baud rates of 2400, 4800 and 9600 baud three times respectively, and returning the current time to the concentrator at the baud rate of which the handshake succeeds if the link is normal.
(3) And determining the address of the lower-hanging concentrator and the RS485-II communication baud rate according to the replied message, reading the file information by using the real concentrator address, comparing the existing file information acquired during initialization, adding and deleting the data center equipment information, and storing the information in a cache.
(4) The latest real-time and current data of the electric meter in the concentrator is periodically read, and if the length of the data exceeds the maximum size of a sending frame, frame transmission is used.
(5) The concentrator file information is periodically read, and when the file changes, the terminal should add or delete the equipment information in the data center.
According to the invention, the data to be acquired is configured by the configuration file, so that different data requirements of various cities can be met, and personalized expansion is added for the subsequent APP operation in various cities; the unified registration equipment is adopted, the unified registration equipment is decoupled with the address of the field user table, and a compatible solution is provided for acquiring data by fusing other APPs of the terminal through the unique equipment identifier of the data center; the invention adopts a universal address self-adaptive baud rate handshake mechanism, avoids the work of configuring the address of the concentrator and confirming the baud rate of serial communication, and greatly improves the working efficiency of field engineering.
Example 2
The embodiment is another embodiment of the present invention, which is different from the first embodiment, and provides a verification test of a marketing data acquisition method based on communication adaptation, and in order to verify and explain the technical effects adopted in the method, the embodiment adopts a conventional technical scheme and the method of the present invention to perform a comparison test, and compares the test results by a scientific demonstration means to verify the real effects of the method.
The traditional technical scheme is as follows: in order to verify that the method has higher working efficiency and lower cost compared with the conventional method, the marketing data acquisition precision of the simulation communication network is measured and compared in real time by adopting the conventional protocol and communication method and the method.
And (3) testing environment: the operation of the power distribution network is simulated and the generation of marketing data is simulated on the simulation platform, the traditional method and the method are respectively utilized, the automatic test equipment is started, MATLB software programming is utilized to realize simulation test of the two methods, simulation data are obtained according to experimental results, and the results are shown in the following table.
Table 1: the experimental results are shown in a comparison table.
| Test specimen | Conventional methods | The method of the invention |
| Time/s | m | m-n2(m>>n2) |
| Efficiency of installation and debugging | 86.33％ | 98.10％ |
| Cost of manpower | Height of | Is low in |
| Data fusion rate | 83.12％ | 97.23％ |
| Personalized requirements | Not meet the requirements of | Satisfy the requirement of |
As can be seen from the above table, the method of the present invention has better robustness than the conventional method.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. A marketing data acquisition method based on communication self-adaptation is characterized by comprising the following steps:
a station area intelligent fusion terminal is used for actively sending a data survey request to a concentrator;
based on the data enrollment request, the concentrator analyzes the data content to be read by using an information interaction model;
and comparing the existing data information during initialization according to the analysis result, adding or deleting data center equipment information, storing the data center equipment information in a cache, and transmitting the cache information to the intelligent convergence terminal of the transformer area in frames.
2. The communication-adaptive-based marketing data collection method of claim 1, wherein: the information interaction model comprises an application layer, a data link layer and a physical layer.
3. The communication-adaptive-based marketing data collection method of claim 1 or 2, wherein: also comprises the following steps of (1) preparing,
the physical layer is RS485 communication, the data link layer is communicated with the concentrator by adopting DLT698.45/GDB376.1 protocol frames, and the application layer analyzes the replied message frames and stores data in the data center according to the storage format of the data center for other APPs to use.
4. The communication-adaptive-based marketing data collection method of claim 1, wherein: judging whether the station area intelligent convergence terminal establishes a physical link with the concentrator or not comprises the following steps of,
and framing according to the wildcard address, issuing and reading the time message of the concentrator through an RS485-II port, sending three baud rates three times respectively, and returning the current time from the baud rate of successful handshake if the connection is normal.
5. The communication-adaptive-based marketing data collection method of claim 4, wherein: the three baud rates include 2400, 4800, and 9600 baud rates.
6. The communication-adaptive-based marketing data collection method of claim 1, wherein: the data information which exists during the initialization according to the comparison of the analysis result comprises,
and (3) carrying out data comparison by using a pairing function:
wherein, epsilon represents an error,
respectively representing the coordinates of the feature points of the existing data information,
respectively representing coordinate values of the feature point coordinates in the analysis result after perspective transformation, NcRepresenting the number of matching point pairs;
if the error value is lower than the preset threshold value, the data comparison is successful.
7. The communication-adaptive-based marketing data collection method of claim 3, wherein: the data transmission comprises the steps of transmitting data,
periodically reading the latest real-time and current data of the electric meter in the concentrator, and if the length of the data exceeds the maximum size of a sending frame, using frame transmission;
and periodically reading the archive information of the concentrator, and correspondingly adding or deleting equipment information in the data center by the intelligent integration terminal of the distribution room when the archive changes.
8. The communication-adaptive based marketing data collection method of claim 1 or 4, wherein: the handshake process between the intelligent convergence terminal of the platform area and the concentrator comprises,
first handshake: when connection is established, the station zone intelligent fusion terminal SENDs a SYN packet (SYN j) to the concentrator, enters a SYN-SEND state, and waits for the confirmation of the concentrator;
second handshake: the concentrator receives the SYN packet, must confirm the SYN (ACK ═ i + j) of the terminal station, it is a SYN packet (SYN ═ k) that it sends at the same time, namely SYN + ACK packet, the said concentrator enters into SYN-RECV state at this moment;
third handshake: and the district intelligent convergence terminal receives the SYN + ACK packet of the concentrator, sends an acknowledgement packet ACK (ACK is k +1) to the concentrator, and after the packet is sent, the district intelligent convergence terminal and the concentrator enter an ESTABI.
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