CN205375750U - Child prevents system of losing based on radio frequency identification technology - Google Patents
Child prevents system of losing based on radio frequency identification technology Download PDFInfo
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- CN205375750U CN205375750U CN201620094045.4U CN201620094045U CN205375750U CN 205375750 U CN205375750 U CN 205375750U CN 201620094045 U CN201620094045 U CN 201620094045U CN 205375750 U CN205375750 U CN 205375750U
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Abstract
The utility model relates to an end the missing monitored control system of child, especially relate to child prevents system of losing based on radio frequency identification technology, reading the terminal equipment of ware including the area and installing the electronic tags on one's body child, read the ware and be used for reading the information that comes from electronic tags, terminal equipment includes alarm system. The utility model discloses utilize the radio frequency identification electronic tags that child carried and install and come to monitor child's positional information in the house exit or by the label network that the reading ware that the guardian hand -carried constitutes for child can in time report to the police and remind the guardianship personnel when the safe distance scope of leaving the settlement, prevented effectively that child from being abducted or missing possibility.
Description
Technical field
This utility model relates to one and prevents the missing monitoring system of child, particularly relates to the child's anti-lose system based on REID.
Background technology
In recent years, media often report the news that relevant child loses, and such news example is of common occurrence, and the child of loss suffers treating of cruelty, and the household of child also suffers the torment in soul because child loses.Child loses and not only brings huge wound to family, but also is unfavorable for that social harmony is stable.Therefore, a kind of monitoring system effectively preventing child from losing is researched and developed necessary.
RF identification (RFID) is a kind of wireless communication technology, it is possible to by radio signals identification specific objective and read and write related data, without setting up machinery or optical contact between the system of identification and specific objective.Wireless signal is the electromagnetic field by furnishing radio frequency, and data are sent out from being attached on the label article, automatic identification with follow the trail of these article.Existing REID is widely used, and cost is low.For the contactless identification of radio-frequency recognition system, its signal can penetrate the adverse circumstances label readings such as snow, mist, ice, coating, dust and dirt, and reading speed is exceedingly fast, in most cases less than 100 milliseconds.RFID tag has the advantages that volume is small-sized, various shapes, contamination resistance are strong and durability is high.
Utility model content
For these reasons, the present inventor provides a kind of child's anti-lose system based on REID, effectively beyond monitoring range, child can be sent prompting.
To achieve these goals, the technical scheme that this utility model adopts is:
A kind of child's anti-lose system based on REID, including the terminal unit with reader and be arranged on the electronic tag with child, reader is for reading the information coming from electronic tag, the reading distance adjustable of electronic tag, terminal unit includes warning system, and reader connects warning system.
The basis of such scheme is arranged further:
Described electronic tag includes the first wireless radio frequency modules, the first microcontroller, first antenna and the first power supply, first microcontroller is all connected with the first wireless radio frequency modules with first antenna, and the first power supply respectively the first wireless radio frequency modules, the first microcontroller and first antenna are powered.
Described first power supply adopts CR2025 button cell.
Described first antenna adopts PCB single ended antenna.
Described reader includes the second wireless radio frequency modules, the second microcontroller, the second antenna and second source, second microcontroller and the second antenna are all connected with the second wireless radio frequency modules, and second source respectively the second wireless radio frequency modules, the second microcontroller, the second antenna and warning system are powered.
When described anti-lose system is for indoor monitoring, the doorway place that the installing terminal equipment with reader exports in house, the second antenna adopts the whip antenna of 3.5dB.
When described anti-lose system is for outdoor monitoring, the terminal unit with reader is carried with by guardian, and the second antenna adopts PCB single ended antenna.
Described first wireless radio frequency modules, the second wireless radio frequency modules, the first microcontroller and the second microcontroller all adopt NRF24LE1 high integration radio transmitting and receiving chip.
Described warning system is active buzzer.
This utility model utilizes radio frequency recognizing electronic label that child carries and is installed on exit, house or the positional information of child is monitored by label network that the reader carried with by guardian is constituted, make child when leaving the safe distance scope of setting can and alarm remind care provider, effectively prevent child and abducted or missing probability.
Below by way of the drawings and specific embodiments, this utility model is further elaborated.
Accompanying drawing illustrates:
Fig. 1 is that this utility model is for indoor use schematic diagram；
Fig. 2 is that this utility model is for open air use schematic diagram；
Fig. 3 is this utility model REID theory diagram；
Fig. 4 is that this utility model is for outdoor flowchart；
Fig. 5 is that this utility model is for indoor flowchart.
Detailed description of the invention:
In conjunction with shown in Fig. 1 to Fig. 5, this utility model provides a kind of child's anti-lose system based on REID, including the terminal unit 2 with reader 21 and be arranged on the electronic tag 3 with child, reader 21 is for reading the information coming from electronic tag 3, the transmission range adjustable of electronic tag 3, terminal unit 2 also includes warning system 23, and reader 21 connects warning system 23.In the present embodiment, warning system 23 adopts active buzzer, and available microcontroller directly controls, convenient and quick.
Electronic tag 3 in such scheme includes the first wireless radio frequency modules, the first microcontroller, first antenna and the first power supply, first microcontroller is all connected with the first wireless radio frequency modules with first antenna, and the first power supply respectively the first wireless radio frequency modules, the first microcontroller and first antenna are powered.First radio-frequency module and the first microcontroller all adopt NRF24LE1 high integration radio transmitting and receiving chip.Embedded 2.4Ghz low-consumption wireless transmitting-receiving kernel NRF24L01 in NRF24LE1 chip, indoor transmissions distance is up to 30 ~ 40 meters, and outdoor transmissions distance is up to 100 ~ 200 meters, and has high-performance 51 kernel, is 12 times of standard 51 speed.It is equivalent to the integrated of radio-frequency module and 51 single-chip microcomputers, so native system adopts it to replace radio-frequency module and micro controller module.Its built-in voltage actuator, can be operated under 1.9V ~ 3.6V.First power supply adopts CR2025 button cell, and its nominal voltage is 3V.Considering that in native system, electronic tag 3 volume is little, first antenna adopts PCB single ended antenna.
Reader then includes the second wireless radio frequency modules, second microcontroller the 22, second antenna and second source, second microcontroller 22 is all connected with the second wireless radio frequency modules with the second antenna, and second source respectively the second wireless radio frequency modules, second microcontroller the 22, second antenna and warning system 23 are powered.Second wireless radio frequency modules and the second microcontroller 22 also all adopt NRF24LE1 high integration radio transmitting and receiving chip.
When this utility model is for indoors monitoring child, electronic tag 3 is worn on child, terminal unit 2 with reader 21 is then installed on gate 1 place of house outlet, and set the transmission range of electronic tag 3, now the second antenna adopt more common and sensitivity good with the whip antenna of 3.5dB.When the distance of child Yu reader 21 exceedes set transmission range, reader 21 cannot read the information of electronic tag 3, it does not have information sends to the second microcontroller 22, then warning system 23 does not work；When the distance of child and reader 21 is less than set transmission range, reader 21 reads the information of electronic tag 3, and information is sent to the second microcontroller 22, and the second microcontroller 22 controls warning system 23 and works, buzzer rings, and reminds child care provider to have the possibility gone out.
When this utility model is for monitoring out of doors child, being worn on child by electronic tag 3, the terminal unit 2 with reader 21 is then carried with by guardian, and sets the transmission range of electronic tag 3, and now the second antenna adopts PCB single ended antenna.When child and tutorial distance are less than the transmission range set, reader 21 reads the information of electronic tag 3, and information is sent to the second microcontroller 22, and information analyzed by the second microcontroller 22, controls warning system 23 and does not work；When reader without 21 cannot read electronic tag 3 information time, it is likely to be due to blocking of outdoor densely populated place or other article, this problem is solved now by setting up communication question and answer mechanism, the first microprocessor controls electronic tag 3 on electronic tag 3 is made to send a signal every 5 seconds, if now reader 21 remains without and receives signal, then show that child and tutorial distance exceed set transmission range, information is not now had to send to the second microcontroller 22, second microcontroller 22 then controls warning system 23 and works, buzzer rings, remind child guardian away from him.
Above example is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that the technical solution of the utility model is made by those of ordinary skill in the art or equivalent replace, without departing from the spirit and scope of technical solutions of the utility model, all should be encompassed in right of the present utility model.
Claims (10)
1. the child's anti-lose system based on REID, it is characterized in that: include the terminal unit with reader and be arranged on the electronic tag with child, reader is for reading the information coming from electronic tag, the reading distance adjustable of electronic tag, terminal unit includes warning system, and reader connects warning system.
2. a kind of child's anti-lose system based on REID according to claim 1, it is characterized in that: described electronic tag includes the first wireless radio frequency modules, the first microcontroller, first antenna and the first power supply, first microcontroller is all connected with the first wireless radio frequency modules with first antenna, and the first power supply respectively the first wireless radio frequency modules, the first microcontroller and first antenna are powered.
3. a kind of child's anti-lose system based on REID according to claim 2, it is characterised in that: described first power supply adopts CR2025 button cell.
4. a kind of child's anti-lose system based on REID according to claim 2, it is characterised in that: described first antenna adopts PCB single ended antenna.
5. a kind of child's anti-lose system based on REID according to claim 2, it is characterised in that: described first wireless radio frequency modules and the first microcontroller all adopt NRF24LE1 high integration radio transmitting and receiving chip.
6. a kind of child's anti-lose system based on REID according to claim 1, it is characterized in that: described reader includes the second wireless radio frequency modules, the second microcontroller, the second antenna and second source, second microcontroller and the second antenna are all connected with the second wireless radio frequency modules, and second source respectively the second wireless radio frequency modules, the second microcontroller, the second antenna and warning system are powered.
7. a kind of child's anti-lose system based on REID according to claim 6, it is characterized in that: when described anti-lose system is for indoor monitoring, the doorway place that installing terminal equipment with reader exports in house, the second antenna adopts the whip antenna of 3.5dB.
8. a kind of child's anti-lose system based on REID according to claim 6, it is characterised in that: when described anti-lose system is for outdoor monitoring, the terminal unit with reader is carried with by guardian, and the second antenna adopts PCB single ended antenna.
9. a kind of child's anti-lose system based on REID according to claim 6, it is characterised in that: described second wireless radio frequency modules and the second microcontroller all adopt NRF24LE1 high integration radio transmitting and receiving chip.
10. a kind of child's anti-lose system based on REID according to claim 1, it is characterised in that: described warning system is active buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094045.4U CN205375750U (en) | 2016-01-29 | 2016-01-29 | Child prevents system of losing based on radio frequency identification technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094045.4U CN205375750U (en) | 2016-01-29 | 2016-01-29 | Child prevents system of losing based on radio frequency identification technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205375750U true CN205375750U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620094045.4U Expired - Fee Related CN205375750U (en) | 2016-01-29 | 2016-01-29 | Child prevents system of losing based on radio frequency identification technology |
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| Country | Link |
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| CN (1) | CN205375750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128000A (en) * | 2016-07-27 | 2016-11-16 | 石家庄学院 | Computer antitheft system based on RFID |
-
2016
- 2016-01-29 CN CN201620094045.4U patent/CN205375750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128000A (en) * | 2016-07-27 | 2016-11-16 | 石家庄学院 | Computer antitheft system based on RFID |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180129 |