CN111860741A - Electronic school badge device based on NB Internet of things and management method thereof - Google Patents
Electronic school badge device based on NB Internet of things and management method thereof Download PDFInfo
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- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
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Abstract
The invention relates to an electronic school badge device based on an NB (network b) Internet of things and a management method thereof, wherein the electronic school badge device based on the NB Internet of things comprises a card body, a PCB (printed circuit board) arranged on the card body, a battery and a positioning module; the battery and the positioning module are both connected with the PCB; and an NB-IOT communication module, a WIFI module and an acceleration sensor are arranged on the PCB. The invention realizes real-time monitoring of attendance, late arrival and early exit states of teachers and students, efficiently ensures the safety of teachers and students in schools, defines an electronic fence by taking a campus as a boundary, enables electronic school badges to report position information at regular time, automatically counts the time and times of teachers getting in and out of the campus, and performs statistical analysis on the attendance and other information, thereby avoiding a large amount of attendance statistical work of teachers, acquiring the activities of teachers and students in schools in real time, and avoiding potential safety hazards caused by students escaping from the campus without knowledge of the teachers.
Description
Technical Field
The invention relates to the technical field of NB (network b) Internet of things, in particular to an electronic school badge device based on the NB Internet of things and a management method thereof.
Background
Ordinary school badge (chest card) that the student wore in current campus can't provide the electronic intelligent management means, can't in time acquire student's dynamic information moreover, therefore lacks the means to student's high-efficient management, and the professor need spend a large amount of efforts to go in teachers and students ' safety guarantee, and the campus safety risk still is difficult to reduce.
Therefore, there is a need to design an electronic school badge based on the internet of things to realize intelligent campus management.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an electronic school badge device based on an NB (network B) Internet of things and a management method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electronic school badge device based on the NB Internet of things comprises a card body, a PCB (printed circuit board) arranged on the card body, a battery and a positioning module; the battery and the positioning module are both connected with the PCB; an NB-IOT communication module, a WIFI module and an acceleration sensor are arranged on the PCB; the WIFI module and the acceleration sensor are connected with the NB-IOT communication module.
The further technical scheme is as follows: the PCB is also provided with a charging chip, and the charging chip is connected with a battery; the card body still is equipped with the contact that charges corresponding to the position of charging chip, the contact that charges is connected with charging chip.
The further technical scheme is as follows: the card body is further provided with an NB (NB) antenna, and the NB antenna is connected with the NB-IOT communication module.
The further technical scheme is as follows: still be equipped with the WIFI antenna on the card body, the WIFI antenna with the WIFI module is connected.
The further technical scheme is as follows: and one side of the card body is also provided with a positioning key, and the positioning key is connected with the NB-IOT communication module.
The further technical scheme is as follows: the positioning module consists of a GPS chip and a GPS antenna, and the GPS antenna is an active GPS ceramic antenna.
The further technical scheme is as follows: the NB-IOT communication module comprises a communication chip, and the model of the communication chip is Hi 2115.
The management method of the electronic school badge device based on the NB Internet of things comprises the following steps:
judging whether the electronic school badge is in a card punching mode or not;
if the card is in the card punching mode, acquiring the position information of the electronic school badge at regular time;
judging whether the position information of the electronic school badge is within a preset range;
if yes, recording the students of the electronic school badge as normal card punching on the cloud platform;
if not, recording the students of the electronic school badge as a lesson on the cloud platform, and pushing lesson-taking information to a terminal of a guardian;
If the electronic school badge is not in the card punching mode, acquiring the position information of the electronic school badge every 2 seconds;
judging whether the position information of the electronic school badge is within a preset range;
if so, the cloud platform pushes the position information of the electronic school badge to a terminal of the guardian in real time;
if not, the cloud platform pushes the position information of the electronic school badge to a terminal of the guardian in real time, and an alarm is given.
The further technical scheme is as follows: before the step of judging whether the electronic school badge is in the card punching mode, the method further comprises the following steps: and pre-storing the personal information of the students corresponding to the electronic school badge and the telephone information of the guardian into the cloud platform.
The further technical scheme is as follows: the preset range is a campus electronic fence, namely a campus range.
Compared with the prior art, the invention has the beneficial effects that: the GPS positioning system is adopted to acquire the dynamic position information of the electronic school badge, the dynamic position information is subjected to real-time statistical analysis on a cloud platform, the school information of going in and out generated in the time period of going to school and going to school is intelligently analyzed, abnormal going in and out information is reported in real time, the real-time monitoring of the state of going out, arriving late and going back of teachers and students is realized, the safety of teachers and students in the school is efficiently ensured, the NB-IOT network technology is adopted to transmit data, the electronic school badge can work with low power consumption, the trouble of frequent charging to teachers and students is avoided, on the cloud platform, a campus can be used as a boundary to define an electronic fence, meanwhile, the electronic school badge can report the position information regularly, the information such as the time and the times of the teachers and students going in and out the campus is automatically counted, the statistical analysis of the information such as going out and a large amount of attendance statistics of teachers is avoided, and the NB-, make whole campus management intelligent, can acquire each teacher and student in the school activity condition in real time, avoid the student to flee class, leave the potential safety hazard that the campus etc. brought under the condition of being unknown to the senior citizen, can satisfy the demand better.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
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 are briefly introduced below, and it is obvious that the drawings in the following description are 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 creative efforts.
Fig. 1 is a schematic structural diagram of an electronic school badge device based on an NB internet of things according to the present invention;
FIG. 2 is a flowchart of a method for managing an electronic school badge device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 2, in an embodiment, as shown in fig. 1, the invention discloses an electronic school badge device based on NB internet of things, which includes a card body 10, a PCB 20 arranged on the card body 10, a battery 30, and a positioning module 40; the battery 30 and the positioning module 40 are both connected with the PCB board 20; the PCB 20 is provided with an NB-IOT communication module 50, a WIFI module 60, and an acceleration sensor 70 (in this embodiment, the acceleration sensor 70 uses silicon mc3413 series chips); the WIFI module 60 and the acceleration sensor 70 are both connected to the NB-IOT communication module 50.
Specifically, as shown in fig. 1, a charging chip 80 is further disposed on the PCB 20, and the charging chip 80 is connected to the battery 30; the card body 10 corresponds to the position of charging chip 80 still is equipped with the contact 90 that charges, the contact 90 that charges is connected with the chip 80 that charges for charge battery 30, in this embodiment, the design has the dedicated charging seat of electron school badge, the charging seat is from taking the USB extension line, there is the contact (protruding) that charges inside the base, the contact is to inserting the contact (concave) that charges of electron school badge card side, during the time of charging disect insertion base charge the seam can, the pilot lamp that charges lights after normally inserting, the demonstration is charging in, the pilot lamp colour becomes green by red after being full of.
Further, in the present embodiment, the battery 30 is a lithium battery, which can be repeatedly charged and discharged to supply power to the entire device.
The card body 10 is further provided with an NB antenna 100, the NB antenna 100 is connected to the NB-IOT communication module 50, in this embodiment, the NB antenna 100 is made of fpc (flexible circuit board) and is attached to the side of the card body 10, so that the space is saved.
Specifically, as shown in fig. 1, a WIFI antenna 110 is further disposed on the card body 10, the WIFI antenna 110 is connected to the WIFI module 60, in this embodiment, the WIFI antenna 110 is made of fpc (flexible circuit board), signal reception is stable, and the WIFI module 60 is used for positioning in an indoor or other GPS weak signal environment.
In the present embodiment, when the positioning key 120 is pressed, the position information can be actively reported once, so as to be used in an emergency.
In this embodiment, the positioning module 40 is composed of a GPS chip and a GPS antenna, the GPS antenna is an active GPS ceramic antenna with a segment coaxial line, and when the board is laid, the distance between the antenna and the chip port is shortened as much as possible, so as to reduce interference of other devices on GPS signals, thereby ensuring the positioning accuracy. After the positioning module 40 collects the positioning longitude and latitude (position information), the data is packaged into NMEA statements and then sent to the NB-IOT communication module 50.
The NB-IOT communication module 50 includes a communication chip, the model of the communication chip is Hi2115, and the NB-IOT communication module 50 is used as a main control module, communicates with other modules, collects and arranges related data, and transmits the data to the cloud platform.
In the present embodiment, the acceleration sensor 70 is used to detect a vibration signal, and the on/off state of the GPS is controlled by a vibration mode, so as to reduce the power consumption of the device, and the acceleration sensor 70 operates in 3 states: interrupt, poll, sleep, when the host (student) is stationary, the acceleration sensor 70 enters poll; after a vibration signal is input, the acceleration sensor 70 triggers interruption, wakes up the GPS and starts to position; after the movement speed is collected by the GPS, the acceleration sensor 70 enters a dormant state, and the GPS is kept normally open at the moment to position a host (student) in real time.
The positioning priority adopted by the invention is as follows: GPS positioning-WIFI positioning-base station positioning. The device preferentially starts the GPS for positioning, the WIFI is in a closed state at the moment, after the GPS is positioned, the position information is reported, and the uploaded data packet carries the state information of the GPS positioning; when the GPS cannot perform positioning within 3 minutes, the GPS is turned off, the WIFI is turned on at the same time, positioning is performed by using the WIFI, after the positioning is performed by the WIFI, position information is reported, and uploaded data packets carry state information of the WIFI positioning; if the WIFI cannot be positioned within 1 minute, the WIFI is turned off, the base station is positioned at the same time, the position information of the base station positioning is reported, and the uploaded data packet carries the state information of the base station positioning.
When the position information of the student is updated, if the student is monitored to be outside a campus electronic fence at a school time, the cloud platform actively reports the current position information to the parents and APP clients (client terminals including other electronic products such as mobile phones) of the executive, and meanwhile, the current position information is pushed in a short message and telephone form, so that when the student has an abnormal condition in a school, the executive and the parents can communicate in time, and the safety condition of the student is confirmed as soon as possible.
In the present embodiment, personal information of students, such as: school name information, class information, student name information, and student photos for easy differentiation and management.
The device can analyze statistical conditions of attendance, late arrival, class escape, early retreat and the like of students by collecting position data information of the students or teachers and combining a background (cloud platform) big data management system, a manager of a school system can comprehensively, efficiently and truly obtain the position information of the students without spending a large amount of time to work attendance checking, meanwhile, a manager of the school system can comprehensively, efficiently and truly obtain the position information of the students, an informatization means is provided for the safety teaching management of the school, and a technical guarantee is provided for the personal safety of the students to the greatest extent.
As shown in fig. 2, the invention further discloses a management method of the electronic school badge device, which is based on the electronic school badge device based on the NB internet of things and comprises the following steps:
s1, judging whether the electronic school badge is in a card punching mode;
wherein, before the step S1, the method further includes: and pre-storing the personal information of students corresponding to the electronic school badge and the telephone information of guardians (including a main office and parents) in the cloud platform.
S2, if the card is in the card punching mode, acquiring the position information of the electronic school badge at regular time;
in this embodiment, the timing is a preset class start time of each class.
S3, judging whether the position information of the electronic school badge is in a preset range;
the preset range is a campus electronic fence, namely a campus range.
S4, if yes, recording the students of the electronic school badge as normal card punching on the cloud platform;
s5, if not, recording the students of the electronic school badge as a lesson on the cloud platform, and pushing lesson-taking information to the terminal of the guardian;
in the card punching mode, the GPS and the WIFI are kept normally closed, the acceleration sensor is in a dormant state, the GPS is turned on only at the reporting moment (the preset class beginning time) in a campus range for positioning, the positioning reporting is carried out within the preset time by default for 1 hour, the GPS is turned on firstly for positioning when the card punching preset time is reached or the position is actively reported through the positioning key, the data are reported to the cloud platform through the NB-IOT module after the positioning, and if the GPS cannot be used for positioning, the positioning priority is referred to: the device acquires position information and reports the position information, and then enters a dormant state again until the next time of card punching.
The management personnel can set the time that the position reported, and school can be according to arriving school time and classroom time point, sets up student's function of checking card, and every class is in class, gathers student's positional information, if in school (can set up the fence at the cloud platform), then marks as normal card of checking card, if positional information is outside school, then marks as spacious class, and the cloud platform pushes away relevant information to guardian to ensure to confirm child's personal safety as soon as possible.
In the card punching mode, the power consumption of the device is low, and the device can be charged once per week to ensure normal work.
S6, if the card is not in the card punching mode, acquiring the position information of the electronic school badge once every 2 seconds;
s7, judging whether the position information of the electronic school badge is in a preset range;
s8, if yes, the cloud platform pushes the position information of the electronic school badge to a terminal of the guardian in real time;
and S9, if not, the cloud platform pushes the position information of the electronic school badge to the terminal of the guardian in real time, and an alarm is given.
In the mode (real-time tracking mode), when a host (student) is static, the acceleration sensor is in a polling state, the GPS is closed, the WIFI is closed, after the acceleration sensor collects a vibration signal, the GPS is immediately opened, positioning is started, position information is reported, if the vibration signal is continuously detected, the host (student) is judged to be in a motion state, the GPS is not closed at the moment, the position information is continuously collected at the frequency of 2 seconds/time until the host (student) is static for more than 2 minutes, the GPS stops working, enters a closed state, and generates an activity track on the cloud platform.
In a real-time tracking mode, if the device enters a GPS weak signal area, the GPS keeps normally open and continuously positions; and the WIFI is normally opened, position information is collected at the frequency of 1 minute/time, and the WIFI enters a closed state until the GPS is successfully positioned again.
The device can be set to a real-time tracking mode on the cloud platform (a guardian can also set in a mobile phone APP), student position information is collected by the device every 2 seconds at the moment, if the student leaves a campus in a school time period, abnormal position information is reported to the cloud platform and the guardian mobile phone immediately, and meanwhile, parents can still check child position information in real time and master the activity track of the child leaving the school in the school time period. (location information outside the electronic fence from the school timeframe does not trigger an abnormal alarm). In the real-time tracking mode, the device has high power consumption, and can be charged every 2 days to ensure normal operation.
Furthermore, no matter the device is in a card punching mode or a real-time tracking mode, the positioning key is pressed, the device immediately collects current position information once and actively reports the current position information to the cloud platform, and therefore students can be informed of parents and teachers when encountering emergency.
The invention adopts a GPS positioning system to acquire the dynamic position information of an electronic school badge, carries out real-time statistical analysis on a cloud platform, intelligently analyzes the information of the school badge entering and leaving generated in the time period of school and leaving, reports abnormal entrance and exit information in real time, realizes the real-time monitoring of the attendance, late arrival and early departure states of teachers and students, efficiently ensures the safety of the teachers and students in the school, adopts NB-IOT network technology to transmit data, can achieve the low-power consumption work of the electronic school badge, avoids the trouble of frequent charging to the teachers and students, can be limited by the campus on the cloud platform, demarcate an electronic fence, simultaneously can enable the electronic school badge to report the position information at regular time, automatically count the information of the time, the times and the like of the school badge entering and leaving of the teachers and students, can be provided with an administrator account number per team master, carries out statistical analysis on the information of the attendance and the like of the students in the team, and avoids a large amount, GPS location technique to and cloud platform's big data processing for whole campus management is intelligent, can acquire each teachers and students in the school activity condition in real time, avoids the student to flee class, leaves the potential safety hazard that the campus etc. brought under the condition that the senior citizen is unknown at home, can satisfy the demand better.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The electronic school badge device based on the NB Internet of things is characterized by comprising a card body, a PCB (printed circuit board) arranged on the card body, a battery and a positioning module; the battery and the positioning module are both connected with the PCB; an NB-IOT communication module, a WIFI module and an acceleration sensor are arranged on the PCB; the WIFI module and the acceleration sensor are connected with the NB-IOT communication module.
2. The NB internet of things-based electronic school badge device of claim 1, wherein a charging chip is further arranged on the PCB, and the charging chip is connected with a battery; the card body still is equipped with the contact that charges corresponding to the position of charging chip, the contact that charges is connected with charging chip.
3. The NB-IOT-based electronic school badge device of claim 1, wherein the card body is further provided with an NB antenna, and the NB antenna is connected with the NB-IOT communication module.
4. The NB Internet of things-based electronic school badge device of claim 1, wherein a WIFI antenna is further arranged on the card body, and the WIFI antenna is connected with the WIFI module.
5. The NB-IOT-based electronic school badge device of claim 1, wherein a positioning key is further arranged on one side of the card body, and the positioning key is connected with the NB-IOT communication module.
6. The NB internet of things-based electronic school badge device of claim 1, wherein the positioning module is composed of a GPS chip and a GPS antenna, and the GPS antenna is an active GPS ceramic antenna.
7. The NB-IOT (Internet of things) -based electronic school badge device of claim 1, wherein the NB-IOT communication module comprises a communication chip, and the model of the communication chip is Hi 2115.
8. The management method of the electronic school badge device based on any one of claims 1 to 7 is characterized in that the management method comprises the following steps:
judging whether the electronic school badge is in a card punching mode or not;
if the card is in the card punching mode, acquiring the position information of the electronic school badge at regular time;
judging whether the position information of the electronic school badge is within a preset range;
If yes, recording the students of the electronic school badge as normal card punching on the cloud platform;
if not, recording the students of the electronic school badge as a lesson on the cloud platform, and pushing lesson-taking information to a terminal of a guardian;
if the electronic school badge is not in the card punching mode, acquiring the position information of the electronic school badge every 2 seconds;
judging whether the position information of the electronic school badge is within a preset range;
if so, the cloud platform pushes the position information of the electronic school badge to a terminal of the guardian in real time;
if not, the cloud platform pushes the position information of the electronic school badge to a terminal of the guardian in real time, and an alarm is given.
9. The method for managing an electronic school badge device according to claim 8, wherein said step of "determining whether the electronic school badge is in a card-punching mode" further comprises: and pre-storing the personal information of the students corresponding to the electronic school badge and the telephone information of the guardian into the cloud platform.
10. The method as claimed in claim 8, wherein the predetermined range is a campus electronic fence, i.e. a campus range.
Priority Applications (1)
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