CN114428991A - Internet of things perception data display method based on CIM digital base - Google Patents
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Abstract
The invention discloses a CIM digital base-based method for displaying internet of things perception data, which is characterized in that the display method extracts the internet of things perception data reported by various internet of things devices through a pertinently customized data extraction algorithm to obtain spatial information of the internet of things perception data; the data acquisition efficiency is improved by using automatic algorithm matching; through form operation on the database level, the data content and the model file are stored after being associated, subsequent service calling is facilitated, and compared with the traditional Internet of things data storage mode, the method can finish binding without depending on other external input conditions and only depending on Internet of things data and model data, thereby reducing the operation cost and improving the processing efficiency; the digital base model is bound, and based on the two points, the model can be subjected to integral rendering, transformation and special effect addition so as to realize different data display effects; greatly enriches the display method and means and realizes the data visualization in the real sense.
Description
Technical Field
The invention relates to the technical field of data processing of the Internet of things, in particular to a method for displaying Internet of things perception data based on a CIM digital base.
Background
The CIM (City Information modeling) city Information model is based on technologies such as a Building Information Model (BIM), a Geographic Information System (GIS), an internet of things (IoT) and the like, and integrates the overground, the indoor and the outdoor of a city, the future multi-dimensional multi-scale spatial data of the current historical situation and the internet of things perception data to construct a city Information organic complex of a three-dimensional digital space. The CIM digital base is an important development of CIM technology application, provides capabilities of data sharing, business collaboration, decision intelligence and the like for smart city operation, and can be classified into a city building base (BIM base), a garden base, a traffic key road base, an underground pipe network base, a garden greening base, a building engineering base and the like according to application scenes.
The display scheme of the internet of things perception data in the application scene is generally based on the data characteristics of hardware of the internet of things equipment, and equipment state data and equipment alarm data are made into a data form or a statistical chart (such as an OnePark system of a China Mobile Smart park); or dynamic chart displays (such as a drip car trip thermodynamic diagram) such as heating power/aggregation are performed on a 2D administrative area map, and the display schemes are monotonous and low-efficiency in performance, do not well combine with space-time information of a target scene, and cannot form intuitive and efficient management. Therefore, an intuitive display method is needed to improve the management efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a CIM digital base-based method for displaying internet of things perception data, so that the efficiency of managing various internet of things data is improved, and the informatization support of various scenes in the field of smart city management is realized.
In order to achieve the purpose, the invention provides a method for displaying internet of things perception data based on a CIM digital base, which comprises the following steps:
s10, data extraction, namely processing the original Internet of things perception data and extracting spatial information in the original Internet of things perception data;
in the step, the extraction of the spatial information in the internet of things perception data needs to be carried out according to transmission protocol specifications defined by different devices, and the analyzed information is stored in a temporary data table according to a uniform specification.
The method comprises the following specific steps: firstly, analyzing all perception data reported by the Internet of things equipment according to a transmission protocol specification, then judging whether the spatial information is effective, and if the spatial information is effective, storing the spatial information into a temporary data table; if the data message is invalid, the data message is stored in an exception data table.
S20, matching information, and matching a correct CIM digital base according to the extracted geographic position data;
the CIM digital bases are stored in a model database in the form of model files, each digital base is attached with complete spatial information, the spatial information is a longitude and latitude and height information set based on a geodetic coordinate system and can also be a coordinate set, and the coordinate set mode describes the accurate position of each CIM base in a city; by comparing the spatial information data extracted in step S10 with the CIM base coordinate set, the matching relationship between the piece of internet of things perception data and the corresponding digital base can be determined.
S30, data binding, namely binding the Internet of things sensing data with the CIM digital base to form a part of the digital base based on the matching result and the time information, and loading the model of the Internet of things equipment on the digital base;
the specific implementation steps are as follows: according to the matching result of the step S20, taking the data of the Internet of things out of the temporary database, storing the data into a formal data sheet, and filling the matched CIM base model number in the model field of the formal sheet; thereby completing the binding of the Internet of things perception data and the CIM digital base;
and S40, data display, wherein based on the base binding result and the time information of the data of the Internet of things, a plurality of display schemes of the data of the Internet of things can be designed from the digital base model.
According to the management method, through a data extraction algorithm customized specifically, data extraction is carried out on the Internet of things perception data reported by various Internet of things devices, and spatial information of the Internet of things perception data is obtained; the traditional binding mode of 'equipment number + scene' is changed by using automatic algorithm matching, and the data acquisition efficiency is improved; through form operation on the database level, the data content and the model file are stored after being associated, so that subsequent service calling is facilitated, and compared with the traditional Internet of things data storage mode, the method can finish binding without depending on other external input conditions and only depending on Internet of things data and model data, thereby reducing the operation cost and improving the processing efficiency; the digital base model is bound, and based on the two points, the model can be subjected to integral rendering, transformation and special effect addition so as to realize different data display effects; greatly enriches the display method and means and realizes the data visualization in the real sense.
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In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a flowchart of a method for displaying internet of things perception data according to an embodiment of the present invention;
FIG. 2 is an effect diagram of data binding of a detection station to a bridge digital base according to an embodiment of the present invention;
FIG. 3 shows the alarm effect of the bridge digital base after the displacement monitoring station sends out the alarm data in the embodiment of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1, one embodiment of the present invention is:
and S10, data extraction, namely processing the original Internet of things perception data and extracting spatial information in the original Internet of things perception data.
The spatial information data in the invention adopts 2000 national geodetic coordinate system (CGCS 2000);
in this embodiment, the extraction of the spatial information in the internet of things perception data needs to be performed according to the transmission protocol specifications defined by different devices, and the analyzed information is stored in the temporary data table according to the uniform specification.
The method comprises the following specific steps: firstly, analyzing all perception data reported by the Internet of things equipment according to a transmission protocol specification, then judging whether the spatial information is effective, and if the spatial information is effective, storing the spatial information into a temporary data table; if the data message is invalid, the data message is stored in an exception data table. The method for judging whether the data is valid or not is to preset a reasonable interval of the data in advance and realize judgment by comparing the data with the reasonable interval data.
Taking bridge displacement monitoring station equipment as an example, the specific extraction steps of the spatial information are as follows: firstly, according to the regulation of a monitoring station transmission protocol, extracting corresponding numerical values from a reported message according to fields of 'Latitude Latitude'/'longitude Longitude' and 'altitude', wherein the extraction results are '29.526318', '106.536998' and '50', which means that the space information of the bridge monitoring station reported at this time is '50 meters of north Latitude 29.512724 east longitude 106.559254 altitude'. And after the analysis and the judgment are successful, storing the geographical position data and the whole group of the internet of things sensing data into a temporary data table together.
S20, matching information, and matching correct CIM digital base according to the extracted geographic position data
The CIM digital bases are stored in a model database in the form of model files, each CIM digital base is attached with complete spatial information, the spatial information is a longitude and latitude and height information set based on a geodetic coordinate system and can also be a coordinate set, and the coordinate set mode describes the accurate position of each CIM digital base in a city; by comparing the spatial information data extracted in step S10 with the CIM base coordinate set, the matching relationship between the piece of internet of things perception data and the corresponding CIM digital base can be determined.
The urban bridge digital base is one of urban building bases and is an important component of a CIM digital base. Taking a certain city bridge digital base as an example, the attached spatial information coordinate set is '29.525241-29.526341'/'106.529050-106.543596'/'0-165'; comparing the displacement monitoring station reported data '29.526318', '106.536998' and '50' extracted in the step S10 with the displacement monitoring station reported data, and finding that the spatial data reported by the displacement monitoring station is located in the spatial coordinate set of the bridge base, which means that the installation position of the displacement monitoring station is exactly on the bridge in the real space.
And comparing the spatial information in the Internet of things perception data with a CIM digital base spatial coordinate set to complete the matching from the monitoring point data to the base model.
S30, data binding, namely binding the Internet of things sensing data with the CIM digital base to form a part of the digital base based on the matching result and the time information, and loading the model of the Internet of things equipment on the CIM digital base;
the specific implementation steps are as follows: according to the matching result of the step S20, taking the data of the Internet of things out of the temporary database, storing the data into a formal data sheet, and filling the matched CIM base model number in the model field of the formal sheet; thereby completing the binding of the Internet of things perception data and the CIM digital base;
taking the displacement monitoring station and the bridge digital base used in the steps S10 and S20 as examples, after the physical connection perception data reported by the displacement monitoring station is matched with the space coordinate set of the digital base, the physical connection perception data is taken out from the temporary table of the database, and the physical connection perception data is stored in the formal table of the database by adding the base model number, so as to complete the base binding of the data.
And S40, displaying data, wherein based on the CIM digital base binding result and the time information of the Internet of things data, various display schemes of the Internet of things data can be designed from the CIM data base model. The method comprises the following specific steps:
as shown in fig. 2 and fig. 3, for a fixed internet of things device such as a displacement monitoring station, its internet of things perception data presentation scheme may be designed as follows: when abnormal data (such as large displacement) are monitored, special effect display reminding is carried out on the digital base of the whole bridge.
For other mobile internet of things devices, the scheme for displaying the internet of things perception data can be designed as follows: the model of the equipment connected with the Internet of things is moved from the digital base A to the digital base B/C …, and the digital bases A and B/C are connected by a guide line to form a track record of the model.
For example, the sensing data of the internet of things of street lamp control type internet of things equipment is bidirectional control type, and the display can be realized by directly adding a lamp control button on a road digital base and clicking the button to turn on/off the light of the whole street (synchronous operation of virtual and real spaces).
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (5)
1. A method for displaying Internet of things perception data based on a CIM digital base is characterized by comprising the following steps:
s10, data extraction, namely, carrying out data processing on the Internet of things perception data reported by each Internet of things device, and extracting spatial information in the Internet of things perception data;
s20, matching information, namely matching a CIM digital base model indicated by a corresponding coordinate set from the model library according to the spatial information extracted in the step S1;
s30, data binding, namely binding the Internet of things sensing data with the digital base to form a part of the CIM digital base based on the matching result and the time information, and loading the model of the Internet of things equipment on the CIM digital base;
and S40, displaying data, and performing integral rendering, transformation and special effect addition on the data base model of the Internet of things based on the CIM data base and the time information in the step S3 to realize different data display effects.
2. The method for displaying the internet of things perception data based on the CIM digital base as claimed in claim 1, wherein the data extraction includes the following steps:
s11, analyzing all perception data reported by the Internet of things equipment according to the transmission protocol specification;
s12, extracting spatial information in the Internet of things perception data according to transmission protocol specifications defined by different devices;
s12, judging whether the extracted spatial information is valid or not, and if so, storing the spatial information into a temporary data table; if invalid, it is stored in an exception table.
3. The method for displaying the internet of things perception data based on the CIM digital bases, as recited in claim 1, wherein the digital bases comprise data stored in a model database in the form of model files, and each CIM digital base is accompanied by complete spatial information.
4. The method for displaying the internet of things perception data based on the CIM digital base as claimed in any one of claims 1 or 3, wherein the spatial information is a set formed based on longitude and latitude and height information of a geodetic coordinate system.
5. The method for displaying the internet of things perception data based on the CIM digital base as claimed in claim 1, wherein the data binding comprises:
s31, taking out the data of the Internet of things from the temporary database according to the matching result of the step S20, and storing the data of the Internet of things into a formal data table;
s32, filling matched CIM base model numbers in the model fields of the formal data sheet; and therefore, the binding of the Internet of things sensing data and the CIM digital base is completed.
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