CN108260113A - Duplicate supply system near-field communication device and board units - Google Patents
Duplicate supply system near-field communication device and board units Download PDFInfo
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- CN108260113A CN108260113A CN201711479577.5A CN201711479577A CN108260113A CN 108260113 A CN108260113 A CN 108260113A CN 201711479577 A CN201711479577 A CN 201711479577A CN 108260113 A CN108260113 A CN 108260113A
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Abstract
The present invention provides a kind of duplicate supply system near-field communication device and board units, the duplicate supply system near-field communication device include：Energy conversion module, energy-storage module, near field induction module, switch module and communication module, wherein communication module are used to receive the electric energy that the near field induction module generates, and the storage electric energy of the energy-storage module release is received when the switch module is controlled and is connected.Duplicate supply system near field communication means provided by the invention may be used duplicate supply system and power simultaneously, avoid limitation of the external environment to product function, it can simultaneously serve as the bridge between board units and IC card, so that IC card need not be fixed on board units, the limitation in use condition is avoided.
Description
Technical field
The present invention relates to wireless communication field, more particularly, to a kind of duplicate supply system near-field communication device and not parking electricity
The board units used in sub- toll collection system.
Background technology
ETC system (Electronic Toll Collection, electronic toll collection), drive-in toll
System is used on a large scale in the charge stations such as highway, bridge, tunnel, city expressway at present.ETC
Two important compositions of system are RSU (Road Side Unit, roadside unit) and OBU (On Board Unit, board units)
Two parts.RSU is generally hung at the surface 5.5m height in ETC tracks；OBU is typically mounted on the inside of vehicle windscreen, backsight
Mirror behind position.Board units OBU is formed with non-contact IC (Integrated Circuit Card, integrated circuit card) card
Vehicle carried electronic label, microwave between the microwave antenna of RSU on ETC tracks carries out short range communication, then by computer networking
Technology carries out backstage settlement process with bank, is not required to stop that road and bridge expense can be paid by toll on the road and bridge station so as to reach vehicle
Purpose.
In ETC system, as the identification card being connect with OBU, i.e., nfc card (Near Field Communication,
Near field communication (NFC)), in use, after the remaining sum in card is using completing, user has to fixed
ETC cards recharge point is supplemented with money, application more and more convenient today, this troublesome to supplement with money in Internet technology fast development
Behavior is gradually abandoned by user.The development of nfc card technology has been developed to via traditional contactless, double interfacial types and has been integrated with
Multi-functional IC card, such as Bluetooth IC, visual IC card etc., especially Bluetooth IC, production technology is increasingly ripe, gradually
It popularizes, since the application of Bluetooth IC supplements the aerial of account on card with money with after handset binding, supporting, does not need to arrive again
Fixed site is supplemented with money, and it is also trend of the situation that Bluetooth IC (or visual IC card), which is used in ETC system,.But directly will
Bluetooth IC (or visual IC card), which is inserted on the OBU of vehicle, to be used, and can be had the following problems：
It is well known that Bluetooth IC (or visual IC card) belongs to active card, it is to be integrated with ultra-thin height in the inside of card
The lithium ion battery of performance or lithium ceramic cell, the operating temperature of such battery required between -10 DEG C~60 DEG C, even if
Between -10 DEG C~0 DEG C or 40 DEG C~60 DEG C, the electricity of card battery has declined, in this case, Bluetooth IC (or can
Depending on IC card) it is likely to exception occur, the vehicle into charge station's ETC channels is caused normally not identified, deducted fees and let pass.
OBU is placed at Chinese herbaceous peony windshield, and in winter, there is less than -10 DEG C of temperature in most parts of the north open air,
In summer, by direct sunlight, vehicle interior temperature is in a state that air-conditioning is opened in the car, and the overwhelming majority is all higher than 40 DEG C of states, very
As for meeting or exceeding 60 DEG C, in this case, Bluetooth IC (or visual IC card) is likely to exception occur, causes to enter charge
The vehicle of ETC channels of standing can not normally be identified, be deducted fees and be let pass.
Therefore, it is really necessary to provide a kind of duplicate supply system near-field communication device regarding to the issue above and supplied using this pair
The board units of electric system near-field communication device are to solve the above problems.
Invention content
Present invention generally provides a kind of duplicate supply system near-field communication device and board units, to solve in the prior art
It is affected by environment larger, the problem of reliability is low.
In order to solve the above technical problems, one aspect of the present invention is：A kind of duplicate supply system near field is provided
Communication device, the duplicate supply system near-field communication device include：
Energy conversion module, for luminous energy or thermal energy to be converted to electric energy；
Energy-storage module is connected with the energy conversion module, for storing the electric energy of the energy conversion module output；
Switch module, for controlling the electric energy of the energy-storage module release storage；
For communicating with external communication device, one is generated according to the signal of external communication device near field induction module
The level signal of a control switch module opening and closing, while generate a voltage；
Communication module：For receiving the voltage that the near field induction module generates, while receive the energy-storage module release
Storage electric energy, and communicated near field induction module and external equipment.
Preferably, the duplicate supply system near field communication means further include the integrated electricity to communicate with the communication module
An outpost of the tax office.
Preferably, the energy conversion module is luminous energy modular converter or thermal energy modular converter.
Preferably, the communication module is bluetooth module.
Preferably, the level signal that the near field induction module generates is high level, when the switch module receives institute
When stating level signal, the switch conduction discharges the storage electric energy that the storage module discharges.
Preferably, the duplicate supply system near-field communication device further includes the voltage for judging near field induction module generation
Whether the decision circuitry of the communication module is supplied enough, and the near field induction module is according to the judgement result of the decision circuitry
And corresponding level signal is produced, the switch module is controlled by the level signal, and when high level inputs, switch module is led
Logical, when low level inputs, switch module disconnects.
Preferably, when the electric signal electricity that the near field induction module generates is greater than or equal to needed for the communication module
During electricity, the level signal is low level；When the electric signal electricity that the near field induction module generates is less than the communication mould
During electricity needed for block, the level signal is high level.
Preferably, the operating temperature range of the duplicate supply system near field communication means is -40 DEG C~85 DEG C.
Preferably, the external communication device generates and is transferred to the signal frequency of the signal of the near field induction module
Ranging from 13.56MHz ± 7KHz.
To solve the above problems, the present invention also provides a kind of board units, it is near including duplicate supply system as described above
Field communication device and bluetooth equipment.
Preferably, the bluetooth equipment is Bluetooth IC or visual IC card.
The beneficial effects of the invention are as follows：The situation of the prior art is different from, the present invention provides a kind of duplicate supply system near field
Communication device and board units, the duplicate supply system near-field communication device include：Energy conversion module, energy-storage module, near field
Induction module, switch module and communication module, wherein communication module are used to receive the electric energy that the near field induction module generates,
Receive the storage electric energy of the energy-storage module release during switch module control conducting, and near field induction module and outside
Equipment is communicated.Duplicate supply system near field communication means provided by the invention may be used duplicate supply system and power simultaneously, keep away
Exempted from limitation of the external environment to product function, can simultaneously serve as the bridge between board units and IC card so that IC card without
It need to be fixed on board units, avoid the limitation in use condition.
Description of the drawings
Fig. 1 is the structure diagram of board units of the present invention；
Fig. 2 is the structure diagram of duplicate supply system near-field communication device of the present invention；
Fig. 3 is the flow diagram using the electronic toll collection of board units of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, the ETC system for application duplicate supply system near-field communication device of the present invention and board units
(Electronic Toll Collection, electronic toll collection), including RSU units (Road Side Unit, road
Side unit) and OBU board units 1 (On Board Unit, board units).It is set on the ETC tracks for being provided with ETC system
There are RSU units, using being equipped with OBU board units 1 provided by the invention on the vehicle of ETC system.The vehicle-mounted lists of OBU of the present invention
The IC card (Integrated Circuit Card, integrated circuit card) 3 of achievable aerial charging function is provided in member 1.
RSU units are generally hung at the surface 5.5m height in ETC tracks；OBU board units 1 are typically mounted on vehicle gear
Wind glass inner side, rearview mirror behind position.RSU units with OBU board units 1 communicate and complete between automobile and charge station
Data exchange.Specifically, board units OBU board units 1 and duplicate supply near field communication means provided by the invention and IC card 3
Microwave on the vehicle carried electronic label of composition, with ETC tracks between the microwave antenna of RSU units carries out short range communication, then by counting
It calculates interconnection plane technology and carries out backstage settlement process with bank, be not required to stop to pay by toll on the road and bridge station so as to reach vehicle
The purpose of road and bridge expense.
Duplicate supply near field communication means 2 provided by the invention are applied on OBU board units 1, duplicate supply near-field communication dress
It puts 2 to communicate with the realization of IC card 3, duplicate supply near field communication means 2 of the invention play connection OBU board units as function served as bridge
1 with the data communication function of IC card 3.Specifically IC card 3 is to pass through with duplicate supply system near-field communication device 2 in the present embodiment
The independent component that radio connection communicates.Wherein IC card 3 can be Bluetooth IC or visual IC card, by bluetooth with it is double
Electric power system near-field communication device 2 communicates, and the application of Bluetooth IC is with after handset binding, supporting the sky to account on card
In supplement with money, do not need to arrive fixed site again and supplemented with money.It is vehicle-mounted that the duplicate supply near field communication means 2 of the present invention can serve as OBU
Unit converts bridge with IC card, realizes the communication of data.In fact, the duplicate supply system near-field communication device 2 of the present invention also may be used
To be suitable for the equipment or system that are communicated with other bluetooth equipments, and it is not limited to Bluetooth IC and visual IC card.
As shown in Fig. 2, duplicate supply system near-field communication device 2 of the present invention include energy conversion module 21, energy-storage module 22,
Near field induction module (NFC induction modules, Near Field Communication) 23, switch module 24 and communication module 25.
Energy conversion module 21 is connected with energy-storage module 22, and the energy that energy conversion module 21 is converted is transported to energy-storage module
It is stored on 22.In the present embodiment, energy conversion module 21 is luminous energy modular converter or thermal energy modular converter, for inciting somebody to action
Luminous energy or thermal energy are converted to electric energy and are stored in energy-storage module 22.
Communication module 25 is bluetooth communication, is established and wirelessly communicated by bluetooth and IC card.Bluetooth communication module is by NFC
Induction module is powered jointly with energy-storage module, and the data that some row are completed by Bluetooth channels and Bluetooth IC or visual IC card are read
Write operation.
As shown in figure 3, near field induction module 23 is used to communicate with external communication device, specifically, to be vehicle-mounted with OBU
Unit communicates, and after near field induction module 23 senses the signal that OBU board units are sent out, generates the level of a high level
The level signal is simultaneously sent to switch module 24 by signal, and at the same time near field induction module 23 is generated to bluetooth module function
Voltage.In practical application, OBU board units send out signal frequency range as 13.56MHz ± 7KHz.Preferably, it is
13.56MHz.Switch module 24 is connected with energy-storage module 22, for controlling the release storage electricity of energy-storage module 22.Energy-storage module 22
Energy storage capacity determined in advance by calculating, to ensure sense that the energy storage electricity that energy-storage module 22 provides is generated near field induction module
The sum of electric energy that voltage provided is answered to be more than the electric energy needed for bluetooth communication module normal work.Switch module is by level signal control
System, specifically, near field induction module 23 generates a high level signal, control switch module conducting, the release storage of energy-storage module 22
Electric energy.
Specifically, the luminous energy or thermal energy that are collected into usually are converted into electric energy storage by the energy conversion module of apparatus of the present invention
There are on energy-storage module, when vehicle enters ETC system working region, RSU microwave signals triggering OBU starts to work, and OBU is sent out
13.56MHz signals, trigger the NFC induction modules of apparatus of the present invention, and NFC induction modules generate electricity V1 directly to the present invention
The bluetooth communication module power supply of device；Meanwhile the level signal of NFC induction modules one high level of generation will control present invention dress
The switch module put, turns it on, allow energy-storage module electricity V2 also simultaneously give bluetooth communication module power supply, at this time V1+V2≤
V；The data-signal that bluetooth communication module transmits NFC induction modules is transferred to Bluetooth IC by Bluetooth channels again or can
Depending on IC card, operation is written and read to Bluetooth IC or visual IC card.
Due to that with duplicate supply system, can be supplied the storage electricity of switch module conducting release energy-storage module storage
Electricity, in extreme circumstances it is also ensured that the electricity of bluetooth communication module is supplied, therefore the usable temperature range of product is significantly
It improves, the operating temperature range of duplicate supply system near field communication means of the present invention can reach -40 DEG C~85 DEG C.It is filled using the present invention
After putting, Bluetooth IC or visual IC card need not be inserted on OBU board units, but are turned by the communication with apparatus of the present invention
It connects and is wirelessly communicated so as to fulfill with OBU board units, in this way, Bluetooth IC or visual IC card can be carried with user, this
Sample, when the operating temperature range of OBU board units reaches -40 DEG C~85 DEG C, Bluetooth IC or visual IC card are due to carrying
For with, operating temperature is only reached in the range of 0 DEG C~40 DEG C, avoid in this way Bluetooth IC or visual IC card in high temperature or
Enter ETC system under low temperature environment and be led to the problem of abnormal.Duplicate supply system near field communication means of the present invention have acted only as OBU
With Bluetooth IC or the conversion bridge of visual IC card, any device of former ETC system is not changed, there is no compatibility issues.Solution
The prior art of having determined Bluetooth IC or visual IC card cannot be inserted in the problem of being worked normally on OBU always.Using Bluetooth IC or
Visual IC card can be arranged in ETC system, and user can supplement with money whenever and wherever possible, needed different from former common non-contact IC card
Site is supplemented with money to fixation to supplement with money.
Embodiment two
Present embodiment be the improvement carried out on the basis of aforementioned embodiments, principle and embodiment with it is aforementioned
Embodiment substantially, differs only in, and in the present embodiment, duplicate supply system near-field communication device further includes near for judging
Whether the voltage that induction module generates supplies the decision circuitry of the communication module enough, meanwhile, near field induction module according to
The judgement result of the decision circuitry and produce corresponding level signal, i.e., in the present embodiment, near field induction module generate
Level signal may be high level, it is also possible to be low level.Specifically, when the electric signal electricity that near field induction module generates is more than
Or during equal to electricity needed for communication module, level signal is low level；When the electric signal electricity that near field induction module generates is small
When electricity needed for communication module, the level signal is high level.Switch module is controlled by the level signal, high level
During input, switch module conducting, when low level inputs, switch module disconnects.Present embodiment as an improvement scheme, phase
It is more intelligent compared with aforementioned embodiment, can be according to the size of V1 intelligently it is determined whether to enable switch module, it and can
Ensure that V1+V2 is equal with the electricity needed for bluetooth communication module as much as possible, avoid the waste of energy, before there is better business
Scape.
The beneficial effects of the invention are as follows：The situation of the prior art is different from, the present invention provides a kind of duplicate supply system near field
Communication device and board units, the duplicate supply system near-field communication device include：Energy conversion module, energy-storage module, near field
Induction module, switch module and communication module, wherein communication module are used to receive the electric energy that the near field induction module generates,
Receive the storage electric energy of the energy-storage module release during switch module control conducting, and near field induction module and outside
Equipment is communicated.Duplicate supply system near field communication means provided by the invention may be used duplicate supply system and power simultaneously, keep away
Exempted from limitation of the external environment to product function, can simultaneously serve as the bridge between board units and IC card so that IC card without
It need to be fixed on board units, avoid the limitation in use condition.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of duplicate supply system near-field communication device, which is characterized in that the duplicate supply system near-field communication device includes：
Energy conversion module, for luminous energy or thermal energy to be converted to electric energy；
Energy-storage module is connected with the energy conversion module, for storing the electric energy of the energy conversion module output；
Switch module, for controlling the electric energy of the energy-storage module release storage；
For communicating with external communication device, a control is generated according to the signal of external communication device near field induction module
The level signal of the switch module opening and closing is made, while generates a voltage；
Communication module：For receiving the voltage that the near field induction module generates, while receive the storage of the energy-storage module release
Electric energy is deposited, and is communicated with the near field induction module and external equipment.
2. duplicate supply system near-field communication device according to claim 1, which is characterized in that the energy conversion module is
Luminous energy modular converter or thermal energy modular converter.
3. duplicate supply system near-field communication device according to claim 1, which is characterized in that the communication module is bluetooth
Module, external equipment are bluetooth equipment.
4. duplicate supply system near-field communication device according to claim 1, which is characterized in that the near field induction module production
Raw level signal is high level, when the switch module receives the level signal, the switch conduction, described in release
The storage electric energy of storage module release.
5. duplicate supply system near-field communication device according to claim 1, which is characterized in that the duplicate supply system near field
Communication device further includes to judge whether the voltage of near field induction module generation supplies the judgement electricity of the communication module enough
Road, the near field induction module produce corresponding level signal according to the judgement result of the decision circuitry, the switching molding
Block is controlled by the level signal, and when high level inputs, switch module conducting, when low level inputs, switch module disconnects.
6. duplicate supply system near-field communication device according to claim 5, which is characterized in that when the near field induction module
When the electric signal electricity of generation is greater than or equal to the electricity needed for the communication module, the level signal is low level；Work as institute
When stating the electric signal electricity that near field induction module generates and being less than the electricity needed for the communication module, the level signal is high electricity
It is flat.
7. duplicate supply system near-field communication device according to claim 1, which is characterized in that the duplicate supply system near field
The operating temperature range of communication device is -40 DEG C~85 DEG C.
8. duplicate supply system near-field communication device according to claim 1, which is characterized in that the external communication device production
The signal frequency range for giving birth to and being transferred to the near field induction module is 13.56MHz ± 7KHz.
9. a kind of board units, which is characterized in that including the duplicate supply system near field as described in claim 1 to 8 any one
Communication device and bluetooth equipment.
10. board units according to claim 9, which is characterized in that the bluetooth equipment is Bluetooth IC or visual IC
Card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479577.5A CN108260113A (en) | 2017-12-29 | 2017-12-29 | Duplicate supply system near-field communication device and board units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479577.5A CN108260113A (en) | 2017-12-29 | 2017-12-29 | Duplicate supply system near-field communication device and board units |
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| Publication Number | Publication Date |
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| CN108260113A true CN108260113A (en) | 2018-07-06 |
Family
ID=62724424
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479577.5A Pending CN108260113A (en) | 2017-12-29 | 2017-12-29 | Duplicate supply system near-field communication device and board units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110365095A (en) * | 2019-06-10 | 2019-10-22 | 青岛旋能新能源工程有限公司 | The solar powered control equipment of one kind and its control method |
| CN111354094A (en) * | 2018-12-21 | 2020-06-30 | 上海博泰悦臻网络技术服务有限公司 | Vehicle-mounted ETC and vehicle-mounted ETC system based on NFC payment |
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| CN106887050A (en) * | 2017-03-18 | 2017-06-23 | 深圳市欧乐在线技术发展有限公司 | It is a kind of to support the wireless etc devices supported |
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| CN101789634A (en) * | 2010-02-01 | 2010-07-28 | 深圳市金溢科技有限公司 | Solar power supply circuit of vehicle-mounted automatic electronic charging unit |
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Application publication date: 20180706 |