CN112579243A - Internet of things equipment dynamic identification method and system based on virtual sensor - Google Patents
Internet of things equipment dynamic identification method and system based on virtual sensor Download PDFInfo
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
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- G06F3/0614—Improving the reliability of storage systems
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
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Abstract
The invention belongs to the field of Internet of things equipment, and discloses a dynamic identification method and a system of Internet of things equipment based on a virtual sensor, which comprises the following steps: generating a current acquisition object identifier according to a current acquisition object of the Internet of things equipment; storing the current acquisition object identifier to the Internet of things equipment; reading the current acquisition object identification through a virtual sensor in the Internet of things equipment, taking the current acquisition object identification as an acquisition value of the virtual sensor, and adding the current acquisition object identification into acquisition data of the Internet of things equipment. The current collection object of the Internet of things equipment is directly determined by the current collection object identification in the collected data, no additional data processing step is needed, the recognition efficiency is high, the mistaken recognition is not easy to occur, and the mobile internet of things equipment is particularly suitable for being used in different collection places.
Description
Technical Field
The invention belongs to the field of Internet of things equipment, and relates to a dynamic identification method and system of Internet of things equipment based on a virtual sensor.
Background
The internet of things equipment is usually fixedly applied to a certain occasion and used for collecting characteristic values of fixed objects, and collected objects can be identified through registration IDs of the internet of things equipment on an internet of things platform. However, when the internet-of-things devices are frequently installed in different occasions for acquiring different objects, the above method cannot directly recognize that the acquired data originates from the acquired objects.
Currently, in the above situation, the collection object from which the collected data originates is generally identified by additional data processing according to the time axis of the collected data and the bound collection object, but this is inefficient and is prone to generate error results.
Disclosure of Invention
The invention aims to overcome the defects that in the prior art, when a collection object corresponding to the collection data of the internet of things equipment is identified, the efficiency is low, and an error result is easy to generate, and provides a dynamic identification method and a system of the internet of things equipment based on a virtual sensor.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
in a first aspect of the present invention, a method for dynamically identifying an internet of things device based on a virtual sensor includes the following steps:
s1: generating a current acquisition object identifier according to a current acquisition object of the Internet of things equipment;
s2: storing the current acquisition object identifier to the Internet of things equipment;
s3: reading the current acquisition object identification through a virtual sensor in the Internet of things equipment, taking the current acquisition object identification as an acquisition value of the virtual sensor, and adding the current acquisition object identification into acquisition data of the Internet of things equipment.
The dynamic identification method of the Internet of things equipment based on the virtual sensor is further improved as follows:
still include before reading current collection object identification through the virtual sensor in the thing networking device: a virtual sensor is constructed in the Internet of things equipment.
The virtual sensor is stored in a non-volatile memory of the internet of things device.
The specific method of S2 is as follows: and sending the current acquisition object identification to the Internet of things equipment through the Internet of things platform and storing the current acquisition object identification.
The specific method of S2 is as follows: and sending the current acquisition object identifier to the Internet of things equipment through a human-computer interface and storing the current acquisition object identifier.
And the current acquisition object identifier is stored in a nonvolatile memory of the Internet of things equipment in a file mode.
The S1 further includes: judging whether the current acquisition object identifier is valid, and when the length and the character type of the current acquisition object identifier are both within the range of the preset length and the preset character type, the current acquisition object identifier is valid; otherwise, the current acquisition object identification is invalid, and prompt information that the current acquisition object identification is invalid is generated.
Further comprising: s4: and uploading the acquired data of the Internet of things equipment to an Internet of things platform or displaying the acquired data on a human-computer interface.
In a second aspect of the invention, the dynamic identification system of the internet of things equipment based on the virtual sensor comprises an internet of things platform and the internet of things equipment connected with the internet of things platform, wherein the virtual sensor is arranged in the internet of things equipment; the Internet of things platform is used for sending the current acquisition object identifier to the Internet of things equipment; the virtual sensor is used for reading the current acquisition object identifier, serving as an acquisition value of the virtual sensor and adding the acquisition value to the acquisition data of the Internet of things equipment; the current acquisition object identifier is generated according to a current acquisition object of the Internet of things equipment.
In a third aspect of the invention, the dynamic identification system of the internet of things equipment based on the virtual sensor comprises a human-computer interface and the internet of things equipment connected with the human-computer interface, wherein the virtual sensor is arranged in the internet of things equipment; the human-computer interface is used for sending the current acquisition object identifier to the Internet of things equipment; the virtual sensor is used for reading the current acquisition object identifier, serving as an acquisition value of the virtual sensor and adding the acquisition value to the acquisition data of the Internet of things equipment; the current acquisition object identifier is generated according to a current acquisition object of the Internet of things equipment.
Compared with the prior art, the invention has the following beneficial effects:
according to the dynamic identification method of the Internet of things equipment based on the virtual sensor, the current collection object identification is generated according to the current collection object of the Internet of things equipment, then the current collection object identification is sent to the Internet of things equipment, when the Internet of things equipment collects data, the current collection object identification is read through the virtual sensor in the Internet of things equipment and is used as the collection value of the virtual sensor and added into the collection data of the Internet of things equipment, the current collection object of the Internet of things equipment can be directly determined through the current collection object identification in the collection data, extra data processing steps are not needed, the identification efficiency is high, false identification is not prone to occur, and the method is particularly suitable for the Internet of things equipment which is used in different collection places in a mobile.
Furthermore, the current collected object identifier is stored in a nonvolatile memory of the internet of things device in a file mode, the nonvolatile memory is a storage medium which cannot lose data after power failure, and data are effectively prevented from being lost after power failure.
Drawings
Fig. 1 is a flowchart of a dynamic identification method for internet of things equipment based on a virtual sensor according to an embodiment of the present invention;
fig. 2 is a flowchart of a specific application scenario according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, in an embodiment of the present invention, a dynamic identification method for an internet of things device based on a virtual sensor is provided, where an acquisition object is used as an acquisition variable to identify the acquisition object, so that a current acquisition object of the internet of things device can be visually identified and analyzed. Specifically, the method for dynamically identifying the internet of things equipment based on the virtual sensor comprises the following steps.
S1: and generating a current acquisition object identifier according to a current acquisition object of the Internet of things equipment.
Specifically, based on the current collection object of the internet of things device, a current collection object identifier is generated, the current collection object identifier corresponds to the current collection object one to one, in actual use, object identifiers corresponding to various common collection objects can be set in advance, and when the current collection object of the internet of things device is obtained, the set object identifier can be directly selected. Or, the object identifier may be set according to the attribute of the current collection object, and the identifier of each collection object may be set by setting a preset rule in advance.
Preferably, the method further comprises the following steps: judging whether the current acquisition object identifier is valid, and when the length and the character type of the current acquisition object identifier are both within the range of the preset length and the preset character type, the current acquisition object identifier is valid; otherwise, the current acquisition object identification is invalid, and prompt information that the current acquisition object identification is invalid is generated.
S2: and storing the current acquisition object identifier to the Internet of things equipment.
Specifically, in this embodiment, two ways are provided, one way is to send the current collection object identifier to the internet of things device through the internet of things platform and store the current collection object identifier, that is, to send the current collection object identifier to the internet of things platform after generating the current collection object identifier in the internet of things platform or generating the current collection object identifier, and then to send the current collection object identifier to the internet of things device through the internet of things platform and store the current collection object identifier.
And the other method is that the current acquisition object identifier is sent to the Internet of things equipment through a human-computer interface, and after the current acquisition object identifier is generated, the current acquisition object identifier is sent to the interior of the Internet of things equipment by the human-computer interface as a transmission medium for storage.
Preferably, the current collected object identifier is generally stored in a nonvolatile memory of the internet of things device in a file manner, the nonvolatile memory refers to a storage medium such as a hard disk which cannot lose data after power failure, and data are effectively prevented from being lost after power failure.
S3: reading the current acquisition object identification through a virtual sensor in the Internet of things equipment, taking the current acquisition object identification as an acquisition value of the virtual sensor, and adding the current acquisition object identification into acquisition data of the Internet of things equipment.
Specifically, for the internet of things equipment with the virtual sensor, the acquisition variable of the virtual sensor in the internet of things equipment can be directly set as the current acquisition object identifier, and then the current acquisition object identifier is read through the virtual sensor and is used as the acquisition value of the virtual sensor, and then the acquisition value is added to the acquisition data of the internet of things equipment and is used as the final acquisition data.
Preferably, for the internet of things equipment without the virtual sensor, a virtual sensor needs to be constructed in the internet of things equipment, the virtual sensor is a sensor which is similar to a physical sensor and does not have an actual sensing unit and is defined by internet of things equipment software, the virtual sensor can be similar to the physical sensor for management, the virtual sensor is arranged according to a setting method of the physical sensor, the virtual sensor is different from the physical sensor in that the virtual sensor is not bound with the sensing unit, the value of the virtual sensor is generated by software, and the value of the physical sensor is obtained by a signal (generally an electric signal) of the sensing unit.
Preferably, the method further comprises the following steps: s4: and uploading the acquired data of the Internet of things equipment to an Internet of things platform or a human-computer interface. The data acquisition of the Internet of things equipment is uploaded to the Internet of things platform, so that centralized management is facilitated, the data acquisition of the Internet of things equipment is uploaded to the human-computer interface, current data acquisition is facilitated to be observed in real time, and the current acquisition object of the Internet of things equipment can be clearly and quickly known based on the current acquisition object identification in the data acquisition. The protocol and code used for uploading are not limited, and the uploading mode is the same as that of the existing physical sensor.
The following describes the dynamic identification method of the internet of things device based on the virtual sensor by using a specific example, referring to fig. 2, taking the example that the pressure transmitter monitors the pressure and the temperature of the pressure container of the monitored object, there are two sensors, namely a pressure sensor SP and a temperature sensor ST, and there are 2 monitoring variables VPress and VTemp correspondingly. And defining a virtual sensor SDevice for the pressure transmitter, wherein the corresponding variable is VDevice. And the value of the SDevice is stored in the equipment and is set by a human-computer interface connected with the Internet of things platform or the Internet of things equipment.
When the pressure transmitter is used for different pressure vessels to be monitored, the set value is the ID value of the monitored object.
When data are uploaded, the virtual sensor, the pressure sensor and the temperature sensor are uploaded together, and an example of an uploading data format is as follows:
{
VDevice:20190001,
VPress:12.0,
VTemp:34.5,
Time:654756
}
through uploading data, the collected object corresponding to the temperature and pressure values can be identified, and when the data are processed, the collected object can be identified through the VDevice variable without additional data processing.
In another embodiment of the present invention, a virtual sensor-based dynamic identification system for internet of things equipment is provided, which can be used for implementing the virtual sensor-based dynamic identification method for internet of things equipment.
The Internet of things platform is used for sending the current acquisition object identifier to the Internet of things equipment, and the Internet of things equipment stores the current acquisition object identifier; the virtual sensor is used for reading the current acquisition object identifier, serving as an acquisition value of the virtual sensor and adding the acquisition value to the acquisition data of the Internet of things equipment; the current acquisition object identifier is generated according to a current acquisition object of the Internet of things equipment.
In another embodiment of the present invention, a virtual sensor-based dynamic identification system for internet of things devices is provided, which can be used to implement the above virtual sensor-based dynamic identification method for internet of things devices, and specifically, the virtual sensor-based dynamic identification system for internet of things devices includes a human-machine interface and internet of things devices connected to the human-machine interface, and a virtual sensor is disposed in the internet of things devices; the human-computer interface is used for sending the current acquisition object identifier to the Internet of things equipment; the virtual sensor is used for reading the current acquisition object identifier, serving as an acquisition value of the virtual sensor and adding the acquisition value to the acquisition data of the Internet of things equipment; the current acquisition object identifier is generated according to a current acquisition object of the Internet of things equipment.
In summary, according to the dynamic identification method and system for the internet of things equipment based on the virtual sensor, the current collection object identification is generated according to the current collection object of the internet of things equipment, then the current collection object identification is sent to the internet of things equipment, when the internet of things equipment collects data, the current collection object identification is read through the virtual sensor in the internet of things equipment, is used as the collection value of the virtual sensor and is added to the collection data of the internet of things equipment, the current collection object of the internet of things equipment can be directly determined through the current collection object identification in the collection data, no additional data processing step is needed, the identification efficiency is high, false identification is not prone to occur, and the method and system are particularly suitable for being used for the internet of things equipment in different collection places.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A dynamic identification method for Internet of things equipment based on a virtual sensor is characterized by comprising the following steps:
s1: generating a current acquisition object identifier according to a current acquisition object of the Internet of things equipment;
s2: storing the current acquisition object identifier to the Internet of things equipment;
s3: reading the current acquisition object identification through a virtual sensor in the Internet of things equipment, taking the current acquisition object identification as an acquisition value of the virtual sensor, and adding the current acquisition object identification into acquisition data of the Internet of things equipment.
2. The method for dynamically identifying IOT equipment based on the virtual sensor as claimed in claim 1, wherein before reading the identification of the current collection object through the virtual sensor in the IOT equipment, the method further comprises:
a virtual sensor is constructed in the Internet of things equipment.
3. The dynamic identification method of the IOT device based on the virtual sensor as claimed in claim 2, wherein the virtual sensor is stored in a nonvolatile memory of the IOT device.
4. The dynamic identification method of the Internet of things equipment based on the virtual sensor as claimed in claim 1, wherein the specific method of S2 is as follows:
and sending the current acquisition object identification to the Internet of things equipment through the Internet of things platform and storing the current acquisition object identification.
5. The dynamic identification method of the Internet of things equipment based on the virtual sensor as claimed in claim 1, wherein the specific method of S2 is as follows:
and sending the current acquisition object identifier to the Internet of things equipment through a human-computer interface and storing the current acquisition object identifier.
6. The dynamic identification method of the IOT equipment based on the virtual sensor as claimed in claim 4 or 5, wherein the current collection object identification is stored in a non-volatile memory of the IOT equipment in a file manner.
7. The dynamic identification method of internet of things devices based on virtual sensors as claimed in claim 1, wherein the S1 further comprises:
judging whether the current acquisition object identifier is valid, and when the length and the character type of the current acquisition object identifier are both within the range of the preset length and the preset character type, the current acquisition object identifier is valid; otherwise, the current acquisition object identification is invalid, and prompt information that the current acquisition object identification is invalid is generated.
8. The dynamic identification method of the virtual sensor-based internet of things equipment according to claim 1, further comprising:
s4: and uploading the acquired data of the Internet of things equipment to an Internet of things platform or displaying the acquired data on a human-computer interface.
9. A dynamic identification system of Internet of things equipment based on a virtual sensor is characterized by comprising an Internet of things platform and the Internet of things equipment connected with the Internet of things platform, wherein the virtual sensor is arranged in the Internet of things equipment;
the Internet of things platform is used for sending the current acquisition object identifier to the Internet of things equipment;
the virtual sensor is used for reading the current acquisition object identifier, serving as an acquisition value of the virtual sensor and adding the acquisition value to the acquisition data of the Internet of things equipment;
the current acquisition object identifier is generated according to a current acquisition object of the Internet of things equipment.
10. A dynamic identification system of Internet of things equipment based on a virtual sensor is characterized by comprising a human-computer interface and the Internet of things equipment connected with the human-computer interface, wherein the virtual sensor is arranged in the Internet of things equipment;
the human-computer interface is used for sending the current acquisition object identifier to the Internet of things equipment;
the virtual sensor is used for reading the current acquisition object identifier, serving as an acquisition value of the virtual sensor and adding the acquisition value to the acquisition data of the Internet of things equipment;
the current acquisition object identifier is generated according to a current acquisition object of the Internet of things equipment.
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