CN207752486U - A kind of active RFID record card device based on bluetooth - Google Patents
A kind of active RFID record card device based on bluetooth Download PDFInfo
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- CN207752486U CN207752486U CN201820104852.9U CN201820104852U CN207752486U CN 207752486 U CN207752486 U CN 207752486U CN 201820104852 U CN201820104852 U CN 201820104852U CN 207752486 U CN207752486 U CN 207752486U
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Abstract
The utility model discloses a kind of, and the active RFID based on bluetooth records card device, it includes bluetooth MCU, acousto-optic indicates, Charge Management, lithium battery, DC/DC chips, bluetooth 2.4G PCB antennas, bluetooth MCU is established with portable intelligent mobile terminal using BLE bluetooths HID protocol and is connected, it is close with active RFID tag, card number information in automatic identification outgoing label is simultaneously automatically performed active RFID tag reading, so that the active RFID card number information read automatic input in the corresponding input frame of mobile phone, complete label card number typing, the utility model also has the function of that label typing holding can be to avoid the repetition typing of label, improve label efficiency of inputting；The utility model can effectively reduce the cost input of label typing using portable smart mobile phone as system copying platform.
Description
Technical field
The utility model belongs to radio frequency identification and internet of things field, especially a kind of active RFID based on bluetooth
Record card device.
Background technology
As the RFID system in support RFID Internet of things system big datas source, importance is unquestionable.Complete set
RFID system is made of reader (Reader) and two part of electronic tag (Transponder), its working principle is that by reading and writing
Device (Reader) emits the radio wave energy electron label (Transponder) of a specific frequency, to drive electronics mark
It signs (Transponder) circuit to send out the ID Code (i.e. global unique number and data) in the portions Inner, at this time reader
(Reader) this ID Code is just received.The special of electronic tag (Transponder) is battery-free, contact-free, exempts to swipe the card
Therefore it is not afraid of the dirty, long-life, and chip password can not uniquely replicate for the world, safe anti-counterfeiting technology is strong.
At present RFID be widely used it is general, typically, such as be applied to member card, mass transit card, the care of animal, food and medicine
It is anti-fake trace to the source, parking lot and high speed charge, access control and attendance, the inspection of power equipment assets, production line automation, the necks such as handling of goods and materials
Domain.
RFID tag has including active label and passive label.Passive electronic label, which refers to inside tags, does not have battery,
The electromagnetic field that work capacity is both needed to reader transmitting provides, light-weight, small, long lifespan, at low cost, can be made into various cards
It identifies that distance is smaller than active system to piece, generally several meters to more than ten meters, and needs larger reader transmission power.Have
Source electronic tag is powered by the battery of inside tags, is not needed reader and is provided energy to start, label can actively be sent out
Radio magnetic signal, identification distance is longer, usually up to tens meters or even rice up to a hundred.
Active RFID application field is also expanded constantly at present, is such as applied to City-level electric vehicle anti-theft, family school leads to, danger
Change in the industries such as quality control reason；In general, a regional active RFID tag terminal usage amount is often that hundreds of thousands Zhang Naizhi is up to a hundred
Ten thousand, quantity radix is very huge.And active RFID tag installation and provide point it is then often more dispersed, and point compared with
More, each installation point present position possesses resource situation and differs, and unit of operation can not possibly be a large amount of in the installation point set up temporarily
The portable devices such as laptop are put into, existing wired record card apparatus can not be used, and use manual entry mode, this side
Unavoidably there is the problem of wrong typing in formula, and the calibration article of mistake typing or people is caused to be unable to get normal service, this
It is reversed in and unit of operation is forced to be accepted or rejected between efficiency of inputting, typing accuracy rate and cost input.
With the continuous development of internet, smart mobile phone is already popularized as personal communication tool, and performance is strong
Greatly, many terminal traffics are carried out on personal terminal and are possibly realized.
Utility model content
A kind of active RFID record clamping based on bluetooth that in order to overcome the deficiencies of the prior art, the utility model provides
It sets, which connects bluetooth MCU using portable intelligent mobile terminal as system copying platform, by bluetooth approach knows automatically
The card number information of other active RFID simultaneously automatically enters in the corresponding input frame of portable intelligent mobile terminal, completes label card number
Typing, using the utility model can low cost, high efficiency, complete to high-accuracy RFID card typing work.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of active RFID record based on bluetooth
Card device, it is characterised in that：Include the bluetooth MCU being connect by bluetooth approach with intelligent mobile terminal, it is more built in bluetooth MCU
The 2.4G radio-frequency front-ends that agreement is supported, bluetooth MCU are connected with as Bluetooth signal transmitting-receiving and active RFID tag reading
The onboard PCB antennas of 2.4G, bluetooth MCU are also associated with the power supply module for its power supply, and bluetooth MCU is connected with acousto-optic hint unit,
Power supply module is connect with acousto-optic hint unit.
Further, the power supply module include lithium battery and for lithium battery charged and indicate charging/be full of shape
The Charge Management unit of state, lithium battery complete lithium battery by DC/DC chips and press to the conversion of bluetooth MCU operating voltages.
Further, the bluetooth MCU is connect using BLE bluetooth HID protocols with intelligent mobile terminal.
Further, the bluetooth MCU is connected with acousto-optic hint unit, and power supply module is connect with acousto-optic hint unit, sound
Light prompt unit include respectively with the bluetooth MCU buzzers connecting and LED light, the LED light include low electric indication LED lamp group,
Typing indication LED lamp group and typing keep indication LED lamp group.
Further, the bluetooth MCU by the setting of RSSI threshold values come form tag recognition area, label leaves area, with
And signal hysteresis area between area is left positioned at tag recognition area and label.
The advantageous effect that the technical solution being related to of the utility model is brought is：The bluetooth active RFID of the utility model is recorded
Card device, entire technical solution use only a 2.4G Bluetooth chip, pass through protocol schedule completion and intelligent mobile terminal
Bluetooth module, active RFID tag proprietary protocol switching, reduce an active RFID relative to conventional record card device
The radio frequency part circuit of reading has cost advantage；In addition, the limitation that cross bars are come can be solved using BLE bluetooths, greatly
The convenience and hair fastener efficiency that the equipment of raising uses, can be completed hair fastener business using only personal smart mobile phone, single to operation
Position brings new solution, reduces cost input；In addition, the device is recorded using portable intelligent mobile terminal as system
Enter platform, connecting bluetooth MCU by bluetooth approach makes the card number information of its automatic identification active RFID, and it is made to identify
Card number information is jumped out automatically in the corresponding input frame of portable intelligent mobile terminal, completes label card number typing, is solved existing
There is the manual identified in technology to be manually entered the caused low problem of typing accuracy rate again.
The utility model is further described below in conjunction with the accompanying drawings.
Description of the drawings
Attached drawing 1 is the utility model specific embodiment structure diagram.
Specific implementation mode
Specific embodiment of the utility model is the active RFID record card device based on bluetooth as shown in Figure 1 comprising with
The bluetooth MCU that intelligent mobile terminal is connected by bluetooth approach, intelligent mobile terminal such as tablet computer, personal mobile phone etc. are portable
Intelligent mobile terminal；The onboard PCB antennas of bluetooth MCU connection 2.4G read for Bluetooth signal transmitting-receiving and active RFID tag and use；
Bluetooth MCU can be used nordic NRF51 or NRF52 series Bluetooth chips, before the 2.4G radio frequencies of built-in multi protocol supporting
End scheduling can support the privately owned active RFID protocols of 2.4G, in schedule periods while keeping with intelligent mobile terminal bluetooth connection
Between multiplexed Bluetooth 2.4G radio-frequency front-ends complete active 2.4G RFID tags and read, RFID tag, which mostly uses, at present per second at least sends out
The frequency of one packet carries out signal transmission, therefore dispatches and keep 2.4G active RFIDs read access time at least 1s or more, to ensure stabilization
It reads.
Above-mentioned bluetooth MCU is also associated with the power supply module for its power supply, and bluetooth MCU is connected with acousto-optic hint unit, power supply
Component is connect with acousto-optic hint unit.Power supply module includes lithium battery and is charged for lithium battery and indicate to charge/be full of
The Charge Management unit of state, Charge Management unit (are specifically by DC/DC chips using TP4055 chips, lithium battery
XC6206 chips) lithium battery 4.2V voltages are completed to bluetooth MCU operating voltages 3.3V conversions.
Above-mentioned bluetooth MCU is connect with intelligent mobile terminal using BLE bluetooths HID protocol in automatic identification RFID tag
Card number information and the card number information that identifies is jumped out automatically in the input frame of intelligent mobile terminal, for typing.
Above-mentioned bluetooth MCU forms tag recognition area, label leaves area and is located at label by the setting of RSSI threshold values
Cog region and label leave the signal hysteresis area between area, set the signal strength threshold for entering tag recognition area in the present embodiment
Be set to -44dBm, and will be far from label and leave the signal strength threshold in area being set as -53dBm, and -44dBm and -53dBm it
Between region be signal hysteresis area.
Above-mentioned acousto-optic hint unit includes respectively with the bluetooth MCU buzzers connecting and LED light, and LED light includes low electricity LED
Lamp group, typing LED light group and typing keep LED light group；It is less than when bluetooth MCU collects lithium battery voltage by its internal ADC
When 3.6V, triggering buzzer, which yowls 3 seconds and lights low electric LED light group, completes low electricity instruction；When active RFID tag first enters
500 milliseconds of buzzer buzzing is triggered when tag recognition area and typing LED light group flickers and is used to indicate within 1 second typing success；Typing at
After work(, active RFID tag does not leave, then triggers and LED light group is kept to be always on, and instruction enters typing hold mode.Pass through above-mentioned side
Formula, acousto-optic hint unit complete low electricity instruction, typing instruction and typing and keep instruction function.
Steps are as follows for typing：
1. mobile phone connects bluetooth active RFID by bluetooth module and records card device；
2. active RFID tag is recorded card device close to bluetooth active RFID, bluetooth active RFID records card device according to RSSI
Signal strength identifies whether RFID tag enters tag recognition area, is -44dBm into detection signal strength threshold, if having been enter into
Tag recognition area, mobile phone then by bluetooth HID protocol by the serial number or card number information that were originally stored on active RFID tag from
It is dynamic to identify, and the card number information automatically identified is jumped out automatically in the input frame of the corresponding APP of mobile phone, mobile phone
APP is transmitted with system by 4G network connections, to complete serial number typing work, and triggers acousto-optic hint typing success；
3. switch to hysteresis hold mode after label typing, triggering typing hold mode instruction reads label sequence number during this
Carry out data filtering；
4. after label leaves area far from label, it is -53dBm to leave detection signal detection intensity threshold, closes hold mode
Instruction, and can trigger secondary typing operation.
The utility model is not limited to above-mentioned specific implementation mode, and persons skilled in the art are according to the utility model public affairs
The content opened, may be used other a variety of specific implementation modes implement it is the utility model or it is every use the utility model
Design structure and thinking, do simple change or change, both fall within the scope of protection of the utility model.
Claims (5)
1. a kind of active RFID based on bluetooth records card device, it is characterised in that：Including passing through bluetooth side with intelligent mobile terminal
The bluetooth MCU of formula connection, the 2.4G radio-frequency front-ends of multi protocol supporting built in bluetooth MCU, bluetooth MCU is connected with to be believed as bluetooth
Number transmitting-receiving and active RFID tag reading the onboard PCB antennas of 2.4G, bluetooth MCU be also associated with for its power supply power supply group
Part.
2. the active RFID according to claim 1 based on bluetooth records card device, it is characterised in that：The power supply module packet
It includes lithium battery and is charged and indicated that the Charge Management unit of charging/full state, lithium battery pass through DC/ for lithium battery
DC chips complete lithium battery and press to the conversion of bluetooth MCU operating voltages.
3. the active RFID according to claim 1 based on bluetooth records card device, it is characterised in that：The bluetooth MCU is adopted
It is connect with intelligent mobile terminal with BLE bluetooth HID protocols.
4. the active RFID according to claim 1 based on bluetooth records card device, it is characterised in that：The bluetooth MCU connects
It is connected to acousto-optic hint unit, power supply module is connect with acousto-optic hint unit, and acousto-optic hint unit includes being connect respectively with bluetooth MCU
Buzzer and LED light, the LED light include that low electric indication LED lamp group, typing indication LED lamp group and typing keep indication LED
Lamp group.
5. the active RFID based on bluetooth records card device according to any one of claims 1-4, it is characterised in that：It is described
Bluetooth MCU forms tag recognition area, label leaves area and is located at tag recognition area and label by the setting of RSSI threshold values
Leave the signal hysteresis area between area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104852.9U CN207752486U (en) | 2018-01-22 | 2018-01-22 | A kind of active RFID record card device based on bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104852.9U CN207752486U (en) | 2018-01-22 | 2018-01-22 | A kind of active RFID record card device based on bluetooth |
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| Publication Number | Publication Date |
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| CN207752486U true CN207752486U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820104852.9U Active CN207752486U (en) | 2018-01-22 | 2018-01-22 | A kind of active RFID record card device based on bluetooth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182372A (en) * | 2018-01-22 | 2018-06-19 | 浙江海康科技有限公司 | A kind of active RFID record card device based on bluetooth |
| CN113475035A (en) * | 2019-03-20 | 2021-10-01 | 第一资本服务有限责任公司 | Flick to copy data to clipboard through NFC |
-
2018
- 2018-01-22 CN CN201820104852.9U patent/CN207752486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182372A (en) * | 2018-01-22 | 2018-06-19 | 浙江海康科技有限公司 | A kind of active RFID record card device based on bluetooth |
| CN113475035A (en) * | 2019-03-20 | 2021-10-01 | 第一资本服务有限责任公司 | Flick to copy data to clipboard through NFC |
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