CN110633764A - Ultralow-power-consumption active tag information interaction system - Google Patents
Ultralow-power-consumption active tag information interaction system Download PDFInfo
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- CN110633764A CN110633764A CN201810660057.2A CN201810660057A CN110633764A CN 110633764 A CN110633764 A CN 110633764A CN 201810660057 A CN201810660057 A CN 201810660057A CN 110633764 A CN110633764 A CN 110633764A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
Abstract
An active label information interaction system with ultra-low power consumption is mainly used in various information interaction and authentication scenes of personnel and equipment which are sensitive to cost, volume and power consumption, can effectively confirm information of the personnel and the equipment, collect and manage scene data and the like, can conveniently replace various existing passive labels, active labels and sensor modules, can realize quick authentication and matching of medicines according to data acquisition sources and the like in the medical industry, has good tracking and management effects on patients and medicines, and improves working effects; in the education trade, can monitor student's activity, take notes student's participation degree, concentration degree and the in service behavior of relevant teaching aid to be favorable to understanding every student's personality, interest characteristic comprehensively, alleviateed mr's work load.
Description
Technical Field
The invention relates to the technical field of information interaction systems, in particular to an ultra-low power consumption active tag information interaction system.
Background
In the existing technical field and practical product application, tags are used for realizing data source tracing and identity information acquisition. For example, the widely used passive tag scene, the IC card used for attendance, the two-dimensional code or bar code of the identification of the medicine, and the like, and also the RFID tag on various goods. And some active tag schemes, such as many schemes that utilize 2.4G and active RFID to achieve interaction of identity information. The above schemes have more defects, for example, the information quantity is less, and only limited ID information can be stored; the method has no expansibility, and more scene information cannot be added according to different use scenes; the active tag is large in size, cannot be carried in a portable mode, and cannot be used for a long time due to overlarge power consumption.
Based on the above defects, the actual tag usage is mostly limited to very limited scenes, and only simple ID information storage can be realized. Meanwhile, based on the existing label system, a relatively expensive label reading device is needed, the cost is high, and the operation is not very convenient.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides an ultra-low power consumption active tag information interaction system.
The utility model provides an active label information interaction system of ultra-low power consumption, includes main equipment, slave unit, third party's equipment, base station equipment, high in the clouds server, main equipment and slave unit all include following module:
the main control module is used for performing behavior scheduling, data authentication, check operation and state processing;
a state indication module: for indicating the operating state of the device;
the data storage module is used for storing data;
and the high-frequency communication module is used for communication between the master equipment and the slave equipment. Meanwhile, the module of the slave device is also used for carrying out data communication with the cloud server.
The power supply control and management module is used for supplying power and managing the power supply;
meanwhile, the main device further comprises the following modules:
and the low-frequency transmitting module is used for providing a low-frequency trigger and synchronous signal.
The trigger source module is used for generating a synchronous event to trigger a time point when the low-frequency transmitting module starts to work, comprises a timer module, a hardware trigger signal input module, a key module and a sensor module, and is configured according to different application scenes.
And the third-party data interface module is used for receiving data of a third party, including sensor data and user data, and simultaneously transmitting the data to the slave equipment.
Meanwhile, the slave device further comprises the following modules:
and the low-frequency receiving module is used for receiving the low-frequency trigger and the synchronous signal of the main equipment.
And the sensor module is used for acquiring the working state and the environmental information data of the equipment.
And the third-party equipment is used for acquiring data and sending the data to the main equipment through the third-party data interface module.
The base station equipment is used for communicating with the slave equipment and the cloud server.
Preferably, the low-frequency emission module of the main device receives the low-frequency trigger signal from the trigger source module, so as to radiate a low-frequency signal to the surroundings, and the coverage of the low-frequency signal is adjusted according to an application scene.
Preferably, the low-frequency trigger signal sent by the trigger source module includes a slave device wake-up signal and a high-frequency communication synchronization code without any ID information, so as to maximally reduce the working duration and power consumption of the main device low-frequency transmitting module.
Preferably, the high frequency communication synchronization code includes channel information of high frequency communication and time point information of communication, and the selection of the channel and the time point has randomness within a certain range, so as to avoid interference of operation of other devices in the same area.
Preferably, the transmission power of the high-frequency communication module is adjusted according to the strength of the low-frequency signal, so that the communication power consumption of the equipment and the diffusion range of the high-frequency signal are reduced to the maximum extent, and the risk of monitoring caused by interference among the equipment and signal diffusion is effectively reduced.
Preferably, when the high-frequency communication module performs communication, authentication and authorization of the device are required to be performed, and it is ensured that a legal device can perform subsequent communication, otherwise, the communication is stopped immediately.
Preferably, the data of the high-frequency communication needs to be encrypted to prevent interception and cracking.
In the invention, the period of the low-frequency trigger signal is in a long period, the selection of the length of the period is larger than the sum of the high-frequency communication starting time and the communication time length, in the high-frequency communication process of the master device and the slave device, a receiving window of the high-frequency communication is divided into two sections, whether a legal lead code is received or not needs to be judged in the receiving window of the front section, if the lead code is not received or the legal lead code is not received, the receiving window of the rear section is directly closed, and the maximized power consumption optimization is achieved.
The invention provides a scheme of an active interactive tag, which has ultra-low power consumption, ultra-small volume, ultra-long service time of a passive tag, good expansibility, strong scene application, safety and reliability, decentralization can be removed, identity authentication can be directly carried out between a master device and a slave device, and complete data security guarantee is realized by matching with a block chain technology, and meanwhile, the scheme of the active interactive tag has the endurance time of more than 3 years under the normal use scene.
Drawings
FIG. 1 is a block diagram according to example 1;
fig. 2 is a block diagram of a main device in embodiment 1;
fig. 3 is a block diagram of the slave device in embodiment 1.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
As shown in fig. 1, the present embodiment provides an ultra-low power consumption active tag information interaction system, which includes a master device, a slave device, a third-party device, a base station device, and a cloud server, where the master device and the slave device include the following modules:
the main control module is used for performing behavior scheduling, data authentication, check operation and state processing;
a state indication module: for indicating the operating state of the device;
the data storage module is used for storing data;
and the high-frequency communication module is used for communication between the master equipment and the slave equipment. Meanwhile, the module of the slave device is also used for carrying out data communication with the cloud server.
The power supply control and management module is used for supplying power and managing the power supply;
meanwhile, the main device further comprises the following modules:
and the low-frequency transmitting module is used for providing a low-frequency trigger and synchronous signal.
The trigger source module is used for generating a synchronous event to trigger a time point when the low-frequency transmitting module starts to work, comprises a timer module, a hardware trigger signal input module, a key module and a sensor module, and is configured according to different application scenes.
And the third-party data interface module is used for receiving data of the third-party equipment, including sensor data and user data, and simultaneously transmitting the data to the slave equipment.
Meanwhile, the slave device further comprises the following modules:
and the low-frequency receiving module is used for receiving the low-frequency trigger and the synchronous signal of the main equipment.
And the sensor module is used for acquiring the working state and the environmental information data of the equipment.
And the third-party equipment is used for acquiring data and sending the data to the main equipment through the third-party data interface module.
The base station equipment is used for communicating with the slave equipment and the cloud server.
The specific implementation mode of the invention is as follows:
configuring information of main equipment, and writing authentication and associated information into the main equipment through a configurator;
b, mounting the main equipment in the equipment or sticking the main equipment on the surface of the equipment or the package;
when the main equipment detects an external trigger signal (a vibration detection signal of a motion sensor, a key trigger signal or other trigger signals), awakening the main equipment to enter a periodic broadcast working state, periodically starting the low-frequency emission module by the main equipment to broadcast the trigger signal, delaying for a certain time after the low-frequency trigger signal is sent, starting a receiving and monitoring function of the high-frequency communication module, setting the delay time to be T1, setting the time length of a monitoring window to be T2, setting the trigger broadcast period to be T1, and setting the trigger broadcast timeout time to be T2. Each time the external trigger signal is detected, the slave device will automatically update the low frequency trigger broadcast timeout T2. When the external trigger signal is not detected again after T2 is exceeded, the trigger broadcast function of the low frequency communication module and the listening function of the high frequency module are turned off. Wherein the signal radiation range of the low-frequency trigger broadcast is limited to the range of 2-20 cm. The above parameters may be set according to different scenarios. For example, in a medical environment, T1 is set to be about 0.2s by default, T2 is set to be 10s by default, the low-frequency signal radiation range is set to be 5cm, the monitoring window T2 of the high-frequency communication module is set to be 400us, the monitoring delay T1 is set to be 1-10ms, and specific values are dynamically and randomly selected in the range;
d: when the slave device approaches the master device, the slave device enters the radiation range of the low-frequency trigger signal of the master device, if the low-frequency trigger signal of the master device meets the format requirement of the low-frequency trigger signal required by the slave device, after the slave device receives the completion trigger signal, the slave device will configure its high-frequency communication module according to the low-frequency signal RSSI value, the channel value of the high-frequency communication and the high-frequency signal communication time point information t1 obtained from the low-frequency signal, and send a detection packet to perform the high-frequency communication with the master device at the corresponding channel value and the power value of the high-frequency communication module, wherein the detection packet mainly contains the identity information, ID information, authentication information and the like of the slave device.
e: after receiving the detection packet of the slave equipment, the master equipment firstly performs authentication of the equipment, and then generates a new encryption protocol according to the communication encryption information agreed in the past and the random dynamic encryption code to perform data communication if the equipment is legal.
f: after the communication between the master device and the slave device is finished, the slave device sends the authentication result and the related interactive data to the cloud server through the high-frequency communication module, so that the recording of a complete event is realized.
The specific implementation mode of the invention in the medical industry is as follows:
when a patient is in hospital, each person issues a bracelet (slave device) which has a unique ID and is bound and associated with the patient, when a nurse dispenses the medicine to the patient, a label (master-slave device) is configured in real time, the slave device is pasted on the surface of the medicine box, the information of the patient is written into the slave device through a configurator, when the nurse takes up the medicine box, the label detects vibration and triggers the label to actively send a low-frequency trigger signal, when the medicine is sent to the bedside of the main patient, the patient touches the label on the bracelet and the medicine box, the bracelet and the label carry out device authentication, the information authentication is carried out, if the information of the patient and the information of the medicine label are authenticated correctly, the bracelet and an information indication module on the slave device flicker green light for a plurality of times continuously, otherwise flicker red light, and simultaneously, the bracelet transmits the authentication event (no matter success or failure) of the time to a cloud server through a high-frequency, and performing record management, thus completing one-time complete drug tracking, information authentication and event record closed-loop operation.
The specific implementation of the invention in the education industry is as follows:
in the scenes of primary schools and kindergartens, related programming toys or courses are more. Through in integrated into the programming teaching aid with the master unit, simultaneously with the operating information of this teaching aid write in inside the master unit through the configurator, when the student wears bracelet (slave unit) and plays this equipment, the master unit detects the equipment vibration, intermittent type nature sends low frequency signal (signal interval sets up to 5s under this kind of scene, low frequency signal radiation range sets up to 20-30cm), the time that the bracelet can real-time recording student used this equipment, the master unit also will pass through high frequency signal transmission to bracelet to the programming information of the concrete operating equipment of student, the bracelet will finally transmit equipment operating time and operating information to the high in the clouds server together, the mr later stage of being convenient for refers to and assesses.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (7)
1. The utility model provides an active label information interaction system of ultra-low power consumption, includes main equipment, slave unit, third party's equipment, base station equipment, high in the clouds server, its characterized in that: the master device and the slave device respectively comprise the following modules:
the main control module is used for performing behavior scheduling, data authentication, check operation and state processing;
a state indication module: for indicating the operating state of the device;
the data storage module is used for storing data;
and the high-frequency communication module is used for communication between the master device and the slave device, and the module of the slave device is also used for data communication with the base station device.
The power supply control and management module is used for supplying power and managing the power supply;
meanwhile, the main device further comprises the following modules:
and the low-frequency transmitting module is used for providing a low-frequency trigger and synchronous signal.
The trigger source module is used for generating a synchronous event to trigger a time point when the low-frequency transmitting module starts to work, comprises a timer module, a hardware trigger signal input module, a key module and a sensor module, and is configured according to different application scenes.
And the third-party data interface module is used for receiving data of the third-party equipment, including sensor data and user data, and simultaneously transmitting the data to the slave equipment.
Meanwhile, the slave device further comprises the following modules:
and the low-frequency receiving module is used for receiving the low-frequency trigger and the synchronous signal of the main equipment.
And the sensor module is used for acquiring the working state and the environmental information data of the equipment.
And the third-party equipment is used for acquiring data and sending the data to the main equipment through the third-party data interface module.
The base station equipment is used for communicating with the slave equipment and the cloud server.
2. The ultra-low power consumption active tag information interaction system of claim 1, wherein: and the low-frequency transmitting module of the main equipment receives the low-frequency trigger signal from the trigger source module so as to radiate a low-frequency signal to the periphery, and the coverage range of the low-frequency signal is adjusted according to an application scene.
3. The ultra-low power consumption active tag information interaction system of claim 2, wherein: the low-frequency trigger signal sent by the trigger source module comprises a slave equipment wake-up signal and a high-frequency communication synchronous code without any ID information.
4. The ultra-low power consumption active tag information interaction system of claim 3, wherein: the high-frequency communication synchronous code comprises channel information of high-frequency communication and time point information of communication.
5. The ultra-low power consumption active tag information interaction system of claim 1, wherein: the transmitting power of the high-frequency communication module is adjusted according to the strength of the low-frequency signal.
6. The ultra-low power consumption active tag information interaction system of claim 5, wherein: before the high-frequency communication module carries out communication, equipment authentication and certification are required.
7. The ultra-low power consumption active tag information interaction system of claim 6, wherein: the high-frequency communication module needs to be encrypted when in communication.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660057.2A CN110633764A (en) | 2018-06-25 | 2018-06-25 | Ultralow-power-consumption active tag information interaction system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810660057.2A CN110633764A (en) | 2018-06-25 | 2018-06-25 | Ultralow-power-consumption active tag information interaction system |
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| CN110633764A true CN110633764A (en) | 2019-12-31 |
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| CN201810660057.2A Pending CN110633764A (en) | 2018-06-25 | 2018-06-25 | Ultralow-power-consumption active tag information interaction system |
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