CN201229597Y - RFID electronic label having dual wake-up mode - Google Patents
RFID electronic label having dual wake-up mode Download PDFInfo
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- CN201229597Y CN201229597Y CNU2008200503956U CN200820050395U CN201229597Y CN 201229597 Y CN201229597 Y CN 201229597Y CN U2008200503956 U CNU2008200503956 U CN U2008200503956U CN 200820050395 U CN200820050395 U CN 200820050395U CN 201229597 Y CN201229597 Y CN 201229597Y
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- 230000006870 function Effects 0.000 description 6
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
本实用新型公开了一种具有双重唤醒模式的RFID电子标签，包括微处理器，与微处理器连接的射频芯片，以及硬件唤醒电路和定时器，所述硬件唤醒电路与微处理器或电源控制器连接，用于检测外部唤醒信号并唤醒电子标签和设置工作模式；所述定时器定时向微处理器或射频芯片发出中断信号，使电子标签进入工作状态并与路侧基站通信。本实用新型采用了硬件唤醒和定时唤醒相结合的技术手段，综合了硬件唤醒模式和定时唤醒模式的各自优点，有效的解决了车载单元装置的功耗控制和实时通信问题，以及路侧基站的易于实施、降低成本等问题。
The utility model discloses an RFID electronic tag with double wake-up mode, which comprises a microprocessor, a radio frequency chip connected with the microprocessor, a hardware wake-up circuit and a timer, and the hardware wake-up circuit is connected with the microprocessor or a power supply control The timer is connected to detect the external wake-up signal and wake up the electronic tag and set the working mode; the timer regularly sends an interrupt signal to the microprocessor or the radio frequency chip, so that the electronic tag enters the working state and communicates with the roadside base station. The utility model adopts the technical means of combining hardware wake-up and timing wake-up, integrates the respective advantages of the hardware wake-up mode and the timing wake-up mode, and effectively solves the power consumption control and real-time communication problems of the vehicle-mounted unit device, and the roadside base station. Ease of implementation and cost reduction.
Description
Technical field
The utility model relates to a kind of radio frequency identification equipment that is used for ambiguity path identification in expressway network toll, particularly have RFID (abbreviation of Radio Frequency Identification, the i.e. radio-frequency (RF) identification) electronic tag of IC-card function and remote-wireless communication function concurrently.
Background technology
At present, the Path Recognition solution based on the RFID technology has become the main flow scheme that solves the ambiguity path identification problem that runs in the expressway network toll.RFID Path Recognition solution relates to equipment such as road side base station, card reader, electronic tag, and wherein electronic tag is one of key equipment.
The various ways such as compound visa card that existing electronic tag has radio-frequency card, IC-card to combine with radio-frequency card, for reducing power consumption, the electronic tag most of the time is in dormant state or complete off-position, need realize the conversion of duty and dormant state by arouse machine processed, therefore, awakening technology is one of gordian technique of electronic tag design and entire path recognition system conceptual design.
The awakening technology of existing Path Recognition electronic tag has following two kinds:
(1) timing wake-up: adopt regularly intermittent duty; During dormant state, timer work regularly wakes electronic tag up, carries out input after electronic tag wakes up, and no signal then changes dormant state over to, has signal then to finish signal Processing, enters dormant state then.
Its advantage is:
(a) road side base station is simple, does not need to set up to wake the base station up, does not need to send wake-up signal;
(b) electronic tag does not have wake-up circuit, and cost is lower.
Its shortcoming is:
(a) power consumption is big: begin just to be in lasting timing discontinuous operation state when electronic tag dispatches from the factory, no matter whether it is necessary or not, all time opening equipment is wasted a large amount of electric energy, is difficult to guarantee serviceable life;
(b) response is untimely: owing to be regularly discontinuous operation, even enter communication zone, can not conclude the business immediately, wait for after certain hour wakes up automatically just entering duty, the influence that set by timing is very big.
(2) hardware wakes up: electronic tag has independently hardware wake-up circuit, after wake-up circuit detects wake-up signal, electronic tag is waken up (or powering on), makes it to enter duty, and electronic tag reenters dormant state (or outage) after finishing data interaction.
Its advantage is:
(a) power consumption is extremely low: electronic tag is in dormant state or off-position usually, just enters duty when only entering communication zone, instantaneously changes dormant state or off-position immediately over to after finishing data interaction;
(b) real-time response: electronic tag enters and is waken up signal immediately behind the perform region and wakes up, instantaneously finishes data interaction, and real-time is good, does not have the time-delay situation of timing wake-up scheme.
Its shortcoming is:
(a) road side base station complexity: need set up and wake base station or base station up and need special emission wake-up signal, make the base station become complicated, cost rises;
(b) electronic tag cost height: increased wake-up circuit, caused the electronic tag cost to rise.
Before specifically introducing the technical solution of the utility model, relational language is carried out description below:
Ambiguity path: arrive a definite outlet from one of road network definite inlet, the centre may exist many different paths, that is: ambiguity paths.
Road side base station (RSU): a kind of radio communication base station, be responsible for the routing information in broadcasting highway section, place and communicate by letter with the board units device (electronic tag) of process, be placed on usually on the portal frame of certain altitude directly over roadside or the road surface.
Track card reader (ODU): communicate by letter with the board units device, finish data interaction, under the control of track computing machine, work usually, generally be placed on the porch or the exit of road network.
Board units device (OBU): also claim electronic tag or compound visa card (electronic tag that comprises IC-card), communicate by letter with road side base station RSU with wireless mode, the routing information that registration of vehicle is exercised, and data are sent to data center by track card reader ODU.
Summary of the invention
The purpose of this utility model is by a kind of electronic tag with dual awakening mode is provided, combine the advantage that timing wake-up and hardware wake up, effectively solve the power consumption control and the real-time Communication for Power problem of board units device, and easy to implement, the problem that reduces cost of road side base station.
The technical scheme that the utility model adopted: a kind of RFID electronic tag with dual awakening mode, comprise microprocessor, the radio frequency chip that is connected with microprocessor, and hardware wake-up circuit and timer, described hardware wake-up circuit is connected with microprocessor or power-supply controller of electric, is used to detect outside wake-up signal and wakes electronic tag up and mode of operation is set; Described timer regularly sends look-at-me to microprocessor or radio frequency chip, makes electronic tag enter duty and communicates by letter with road side base station.
Above-mentioned hardware wake-up circuit and microprocessor, power-supply controller of electric both one of be connected or connect simultaneously, be used to detect outside wake-up signal and send look-at-me to microprocessor, perhaps power on to electronic tag by power-supply controller of electric.The outside wake-up signal that described hardware wake-up circuit is detected is by the track card reader emission that is arranged on road network porch and exit, its frequency is 13.56MHz or 433MHz, according to the application characteristic of highway, can preferentially select the wireless awakening signal of 13.56MHz.Described hardware wake-up circuit remains effective status.
Above-mentioned timer is the timing microprocessor device that is arranged on microprocessor internal, is used for regularly sending look-at-me to microprocessor and wakes electronic tag up; Described timer also can be arranged on the radio frequency chip timer of radio frequency chip inside, is used for regularly sending look-at-me to radio frequency chip and wakes electronic tag up; Described timer can also adopt the external timer that is connected with microprocessor, is used for regularly sending look-at-me to microprocessor and wakes electronic tag up.Described timer can be selected according to principle least in power-consuming or that cost performance is the highest, effective when this timer only is on the road mode of operation after electronic tag is waken up by the hardware wake-up circuit, At All Other Times (promptly when electronic tag be in reclaim or during the storage state) then be in deep-sleep or off-position.
The utility model has following advantage and beneficial effect with respect to prior art:
(1) adopts hardware to wake the technological means that combines with timing wake-up up, combined the advantage separately of hardware awakening mode and timing wake-up pattern, had good economic feasibility and technical feasibility.
(2) adopt hardware to wake up, electronic tag needn't have been risen from power on just be in the discontinuous operation state, effectively reduced equipment power dissipation.
(3) adopt hardware to wake up, effectively guaranteed the real-time of road network inlet/outlet transaction.
(4) adopt timing wake-up, made the road side base station framework simple, effectively reduced the base station cost, reduced the enforcement difficulty.
(5) adopt timing wake-up, made electronic tag for two hardware wake scheme up, reduce by a wake-up circuit, reduced the electronic tag cost, when particularly removing high band wake-up circuit such as 433MHz, more be significantly reduced to this.
Description of drawings
Fig. 1 is the electronic tag theory diagram that the utility model adopts the timing microprocessor device;
Fig. 2 is the electronic tag theory diagram that the utility model adopts the radio frequency chip timer;
Fig. 3 is the electronic tag theory diagram that the utility model adopts external timer;
Fig. 4 is a hardware wake-up circuit schematic diagram of the present utility model;
Fig. 5 is that electronic tag of the present utility model wakes process flow diagram up.
Embodiment
RFID electronic tag with dual awakening mode described in the utility model, comprise microprocessor, radio frequency chip and hardware wake-up circuit and timer, described hardware wake-up circuit is connected with microprocessor or power-supply controller of electric, wakes electronic tag up and mode of operation is set by detecting outside wake-up signal; When electronic tag enters on the road after the mode of operation, described timer regularly sends look-at-me to microprocessor or radio frequency chip, makes electronic tag enter duty and communicates the routing information in the registration of vehicle driving process with road side base station.
Be described further below in conjunction with specific embodiment and accompanying drawing, but embodiment of the present utility model is not limited to this.
Embodiment one:
As shown in Figure 1, the described RFID electronic tag of present embodiment comprises microprocessor 1, and the radio frequency chip 3 that is connected with microprocessor 1, also comprise hardware wake-up circuit 2 and timing microprocessor device 5 in addition, described hardware wake-up circuit 2 is connected with microprocessor 1 or power-supply controller of electric 4, be used to detect outside wake-up signal, and wake electronic tag up and mode of operation is set; Described timing microprocessor device 5 is arranged on microprocessor internal, is used for regularly sending look-at-me to microprocessor and wakes electronic tag up.
Embodiment two:
As shown in Figure 2, the described RFID electronic tag of present embodiment comprises microprocessor 1, and the radio frequency chip 3 that is connected with microprocessor 1, also comprise hardware wake-up circuit 2 and radio frequency chip timer 6 in addition, described hardware wake-up circuit 2 is connected with microprocessor 1 or power-supply controller of electric 4, be used to detect outside wake-up signal, and wake electronic tag up and mode of operation is set; Described radio frequency chip timer 6 is arranged on radio frequency chip inside, is used for regularly sending look-at-me to radio frequency chip and wakes electronic tag up.
Embodiment three:
As shown in Figure 3, the described RFID electronic tag of present embodiment comprises microprocessor 1, and the radio frequency chip 3 that is connected with microprocessor 1, also comprise hardware wake-up circuit 2 and external timer 7 in addition, described hardware wake-up circuit 2 is connected with microprocessor 1 or power-supply controller of electric 4, be used to detect outside wake-up signal, and wake electronic tag up and mode of operation is set; Described external timer 7 is connected with microprocessor 1, is used for regularly sending look-at-me to microprocessor and wakes electronic tag up.
Hardware wake-up circuit in the foregoing description is connected to form by inductive coil, filter capacitor, rectification/mu balanced circuit as shown in Figure 4, and the communication frequency that uses is 13.56MHz.Wherein, capacitor C 4, C5, C6 form a wave filter, and capacitor C 17, C18, C19 form the another one wave filter; Diode J3, J4, J5, J6 constitute rectification circuit, with coil-induced to AC signal be transformed into direct current signal and export on the pin P_INTERRUP that microprocessor has the external interrupt function.When overflow, stabilivolt J8 plays the effect of burning voltage, the protection microprocessor.This hardware wake-up circuit is connected with microprocessor 1, after the hardware wake-up circuit detects outside wake-up signal, can send look-at-me to microprocessor 1; If adopt the complete power-down mode of off working state, the hardware wake-up circuit also can be connected with power-supply controller of electric 4, powers on for parts such as microprocessor 1, radio frequency chip 3 by power-supply controller of electric 4; Perhaps be connected simultaneously, not only controlled and power on but also send look-at-me with microprocessor 1, power-supply controller of electric 4.
Be illustrated in figure 5 as the process flow diagram that wakes up of electronic tag, in the electronic tag course of work, the hardware wake-up circuit is effective all the time, but consume battery power not.When being on the road mode of operation after electronic tag is waken up by the hardware wake-up circuit, timing wake-up is reinstated, and finishes the ID of trace route path function; After electronic tag is in recovery or storage state, forbid the timing wake-up function.Its concrete workflow is as follows:
(1) when electronic tag was in park mode (reclaiming or the storage state), timer was not worked, and the hardware wake-up circuit is effective.
(2) in the road network porch, electronic tag is placed on the track card reader and swipes the card behind the zone, the hardware wake-up circuit detects outside wake-up signal (the 13.56MHz wireless signal that is sent by the track card reader), and send a look-at-me and give electronic tag, make electronic tag transfer mode of operation to or begin and power on by park mode; Finish after the data interaction, the timer of electronic tag is activated, and enters timing wake-up mode of operation (that is: mode of operation on the road) subsequently.
(3) electronic tag when on the way mobile, by detection signal after the timer timing wake-up, if the beacon station signal is arranged, is then finished the data interaction with road side base station with vehicle.As preferably, signal detection process can carry out stage by stage, and first detected carrier signal does not have and then enters dormant state; Have and then open the radio frequency reception, so can effectively reduce the power consumption of timing wake-up work.
(4) in the road network exit, electronic tag is placed on the track card reader and swipes the card behind the zone, the hardware wake-up circuit detects outside wake-up signal (the 13.56MHz wireless signal that is sent by the track card reader), change duty immediately over to, after finishing data interaction, and the timing wake-up function of cancellation electronic tag, make electronic tag enter deep-sleep or off-position, wait for being waken up once more.
(5) when electronic tag was in the storage state, timer was not worked, and had only the hardware wake-up circuit in running order, and other parts are in deep-sleep fully or are de-energized state, therefore extremely power saving.
The utility model is distinguished mode of operation on the storage of electronic tag and the road by adopting the hardware awakening mode, when electronic tag is in recovery or storage state, have only the hardware awakening mode effective, the timing wake-up pattern is invalid, thereby enters deep-sleep or off-position; After being waken up by hardware, electronic tag is set to mode of operation or storage pattern on the road according to the order of card reader.On the way during mode of operation, hardware awakening mode and timing wake-up pattern simultaneously effectively come regularly to detect the road side base station signal with the timing wake-up mode, and realizing route identifies.Utilize the hardware awakening mode to guarantee that the real-time of road network inlet/outlet transaction, hardware wake-up circuit make electronic tag be placed to card reader and swipe the card and be waken up immediately behind the zone, instantaneously finish data interaction, improved the efficient of road network charge.
Claims (9)
1. RFID electronic tag with dual awakening mode, comprise microprocessor (1), and the radio frequency chip that is connected with microprocessor (3), it is characterized in that, also comprise hardware wake-up circuit (2) and timer, described hardware wake-up circuit is connected with microprocessor (1) or power-supply controller of electric (4), is used to detect outside wake-up signal and wakes electronic tag up and mode of operation is set; Described timer regularly sends look-at-me to microprocessor (1) or radio frequency chip (3), makes electronic tag enter duty and communicates by letter with road side base station.
2. according to the described RFID electronic tag of claim 1 with dual awakening mode, it is characterized in that, described hardware wake-up circuit (2) and microprocessor, power-supply controller of electric both one of be connected or connect simultaneously, be used to detect outside wake-up signal and send look-at-me, perhaps power on to electronic tag by power-supply controller of electric to microprocessor.
3. according to the described RFID electronic tag of claim 2, it is characterized in that the outside wake-up signal frequency that described hardware wake-up circuit (2) is detected is 13.56MHz or 433MHz with dual awakening mode.
4. according to the described RFID electronic tag of arbitrary claim in the claim 1 to 3, it is characterized in that described hardware wake-up circuit (2) remains effective status with dual awakening mode.
5. according to the described RFID electronic tag of claim 3, it is characterized in that described outside wake-up signal is by the track card reader emission that is arranged on road network porch and exit with dual awakening mode.
6. according to the described RFID electronic tag of claim 1, it is characterized in that described timer is the timing microprocessor device (5) that is arranged on microprocessor internal, be used for regularly sending look-at-me and wake electronic tag up to microprocessor with dual awakening mode.
7. according to the described RFID electronic tag of claim 1, it is characterized in that described timer is the radio frequency chip timer (6) that is arranged on radio frequency chip inside, be used for regularly sending look-at-me and wake electronic tag up to radio frequency chip with dual awakening mode.
8. according to the described RFID electronic tag of claim 1, it is characterized in that described timer is the external timer (7) that is connected with microprocessor (1), be used for regularly sending look-at-me and wake electronic tag up to microprocessor with dual awakening mode.
9. according to the described RFID electronic tag of arbitrary claim in the claim 6 to 8, it is characterized in that with dual awakening mode, effective when described timer only is on the road mode of operation after electronic tag is waken up by hardware wake-up circuit (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200503956U CN201229597Y (en) | 2008-07-08 | 2008-07-08 | RFID electronic label having dual wake-up mode |
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| CNU2008200503956U CN201229597Y (en) | 2008-07-08 | 2008-07-08 | RFID electronic label having dual wake-up mode |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630374B (en) * | 2009-08-26 | 2012-05-23 | 北京简约纳电子有限公司 | SIM card with radio frequency identification function and power-saving method thereof |
| CN105184352A (en) * | 2015-09-02 | 2015-12-23 | 深圳市金溢科技股份有限公司 | Method for communication between composite pass card and single-frequency reader-writer, and composite pass card |
| CN105488989A (en) * | 2016-02-02 | 2016-04-13 | 南京高华科技股份有限公司 | Wireless sensing device |
| CN105517198A (en) * | 2016-02-02 | 2016-04-20 | 南京高华科技股份有限公司 | Wireless sensing network system |
| CN106740587A (en) * | 2017-02-16 | 2017-05-31 | 成都雅骏新能源汽车科技股份有限公司 | A kind of pure electric vehicle controller can standby controlling method and device |
| CN107564117A (en) * | 2017-09-05 | 2018-01-09 | 北京聚利科技股份有限公司 | Compound visa card and ID of trace route path method |
| CN108495361A (en) * | 2018-02-08 | 2018-09-04 | 哈尔滨研拓科技发展有限公司 | A kind of electronic tag, data exchange host and electronic labelling system |
| CN116711331A (en) * | 2020-08-05 | 2023-09-05 | 罗伯特·博世有限公司 | Control system for intelligent construction site and electronic equipment thereof |
-
2008
- 2008-07-08 CN CNU2008200503956U patent/CN201229597Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630374B (en) * | 2009-08-26 | 2012-05-23 | 北京简约纳电子有限公司 | SIM card with radio frequency identification function and power-saving method thereof |
| CN105184352A (en) * | 2015-09-02 | 2015-12-23 | 深圳市金溢科技股份有限公司 | Method for communication between composite pass card and single-frequency reader-writer, and composite pass card |
| CN105184352B (en) * | 2015-09-02 | 2018-08-03 | 深圳市金溢科技股份有限公司 | A kind of communication means and the compound password card of compound password card and single-frequency reader |
| CN105488989A (en) * | 2016-02-02 | 2016-04-13 | 南京高华科技股份有限公司 | Wireless sensing device |
| CN105517198A (en) * | 2016-02-02 | 2016-04-20 | 南京高华科技股份有限公司 | Wireless sensing network system |
| CN106740587A (en) * | 2017-02-16 | 2017-05-31 | 成都雅骏新能源汽车科技股份有限公司 | A kind of pure electric vehicle controller can standby controlling method and device |
| CN107564117A (en) * | 2017-09-05 | 2018-01-09 | 北京聚利科技股份有限公司 | Compound visa card and ID of trace route path method |
| CN108495361A (en) * | 2018-02-08 | 2018-09-04 | 哈尔滨研拓科技发展有限公司 | A kind of electronic tag, data exchange host and electronic labelling system |
| CN108495361B (en) * | 2018-02-08 | 2021-08-13 | 黑龙江五世昌科技有限公司 | Electronic tag, data exchange host and electronic tag system |
| CN116711331A (en) * | 2020-08-05 | 2023-09-05 | 罗伯特·博世有限公司 | Control system for intelligent construction site and electronic equipment thereof |
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Owner name: SHENZHEN GENVICT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN JINYI TECHNOLOGIES CO., LTD. |
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Address after: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building B Building 9 layer Patentee after: SHENZHEN GENVICT TECHNOLOGY CO., LTD. Address before: 518057 R & D complex building, Tsinghua information port, North Zone, Nanshan District hi tech Zone, Shenzhen, Guangdong, 808 Patentee before: Shenzhen Jinyi Technologies Co., Ltd. |
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Address after: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building A building 12 layer Patentee after: SHENZHEN GENVICT TECHNOLOGY CO., LTD. Address before: Nanshan District Keyuan Road Shenzhen city Guangdong province 518057 Tsinghua building B Building 9 layer Patentee before: SHENZHEN GENVICT TECHNOLOGY CO., LTD. |
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Granted publication date: 20090429 |
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| CX01 | Expiry of patent term |