CN201000637Y - Active RF card - Google Patents
Active RF card Download PDFInfo
- Publication number
- CN201000637Y CN201000637Y CNU2007201179673U CN200720117967U CN201000637Y CN 201000637 Y CN201000637 Y CN 201000637Y CN U2007201179673 U CNU2007201179673 U CN U2007201179673U CN 200720117967 U CN200720117967 U CN 200720117967U CN 201000637 Y CN201000637 Y CN 201000637Y
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- CN
- China
- Prior art keywords
- power supply
- external power
- active radio
- chip
- frequency card
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an active radio frequency card, which comprises a card body and a chip in the card body. The card body also comprises a power supply unit, and the power supply unit realizes the power supply to the chip through being connected with an external power supply body. The power supply unit further comprises an external power supply interface which is used to input the external power supply through being connected with the external power supply body; and a power supply transforming module which is used for transforming the voltage value of the external power supply input by from the external power supply interface into the working voltage value of the chip, and feeding power for the chip. The power supply of the active radio frequency card of the utility model is taken form the ubiquitous external power supply body, and the power supply pattern is convenient and simple; the power supply of the external power supply body is sufficient and reliable, thus the worry on the power supply exhaustion problem is not needed; and the utility model avoids the environment pollution by the abandoned battery, thus having good environment protecting performance.
Description
Technical field
The utility model relates to the radio-frequency card technology, relates in particular to a kind of active radio-frequency card.
Background technology
RFID (Radio Frequency Identification, radio-frequency (RF) identification) system mainly comprises radio-frequency card and card reader two parts, and it utilizes RF-wise to carry out contactless two-way communication, to reach the purpose of identification and exchanges data.As the radio-frequency card of pith in the rfid system, it is integrated into that chip piece constitutes, is had on this chip interior nonresident portion to be used for store identification number or other data by plurality of function modules, communicates by letter to finish with card reader.Compare with recognition technologies such as magnetic card, IC-cards, radio-frequency card since have noncontact, easy and simple to handle, be suitable for rugged surroundings, can discern moving target and advantage such as have wide range of applications, looked at by the increasing parent of user institute.
Radio-frequency card can be divided into active radio-frequency card and passive RF card according to whether being built-in with battery, and wherein the decipherment distance of active radio-frequency card is long, can reach more than the 1-10m, and radiation is little; And the decipherment distance of passive RF card is shorter relatively, generally is 1cm～10cm, and uhf band also can be accomplished several meters, but the card reader radio transmitted power is strong; As seen active radio-frequency card has irreplaceable advantage in the remote identification of need such as vehicle management system field.For example in vehicle management system, when motor vehicle passes through toll station or sentry box, parking lot, if adopt in-plant passive RF card, the driver needs card is placed apart from card reader 10cm scope with the effective Card Reader of interior ability, its complicated operating process, not only limit autos only speed, and had danger such as vehicle body scratch.And if adopt remote active radio-frequency card, then the driver only needs card placement effective Card Reader just apart from about the card reader 1-10m scope has greatly been improved the passage rate of motor vehicle and reduced collision accident.
But, the powering mode of the active radio-frequency card of tradition is limited to the internal battery power supply mode, in case and the depleted of energy in the battery, active radio-frequency card just can't operate as normal, the user is difficult to be careful the operating position of the energy content of battery on the one hand, on the other hand, does not often have new battery replaceable again in a period of time of between, this brings very big inconvenience to the user, for example causes motor road obstruction etc.; And discarded battery also can pollute environment.As seen the active radio-frequency card of prior art obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide a kind of active radio-frequency card, and its powering mode has convenience, reliability, the advantage of the feature of environmental protection.
To achieve these goals, the utility model provides a kind of active radio-frequency card, comprises the card body and is arranged at the interior chip of described card body, also comprises power supply unit in the described card body, and this power supply unit is by being connected with the external power source body to realize described chip power supply.
According to active radio-frequency card of the present utility model, described power supply unit comprises external power interface, is used for by being connected with the external power source body with the input external power source; And power transfer module, be used for and will convert the operational voltage value of chip to, and be this chip power supply from the magnitude of voltage of the external power source of external power interface input.
According to active radio-frequency card of the present utility model, described power supply unit also includes the power protection module, is used for the external power source from described external power interface input is carried out power protection; And
Voltage control module is used to control the operational voltage value that described power transfer module is the chip input.
According to active radio-frequency card of the present utility model, described power supply unit also comprises power storage module, is used for the external power source of described input is stored, and optionally is described chip power supply; And/or
Battery module is used for optionally being described chip power supply.
According to active radio-frequency card of the present utility model, described power supply unit is arranged in the described chip.
According to active radio-frequency card of the present utility model, described external power interface is the socket that is arranged with on described card body, and this socket is used for being connected with the external power source body.
According to active radio-frequency card of the present utility model, described external power interface is the plug that is convexly equipped with on described card body, and this plug is used for being connected with the external power source body.
According to active radio-frequency card of the present utility model, described external power interface is connected with electric wire, and this electric wire extends and is used for outside the described card body being connected with the external power source body.
According to active radio-frequency card of the present utility model, described power supply unit is by being connected with the supply unit of motor vehicle to realize described chip power supply.
According to active radio-frequency card of the present utility model, described power supply unit is by being connected with the cigar lighter supply socket of motor vehicle to realize described chip power supply.
The utility model is by the power supply unit that can be connected with the external power source body is set in active radio-frequency card, to realize chip power supply.Ubiquitous external power source body is taken from the power supply of active radio-frequency card, and its powering mode is convenient and simple; And the power supply of external power source body is sufficient reliable, need not worry the problem that power supply exhausts again; And it has avoided the pollution of waste battery to environment, has favorable environment protection.
Description of drawings
Fig. 1 is the functional block diagram of the active radio-frequency card of the utility model;
Fig. 2 is the three-dimensional structure diagram of a kind of automobile-used active radio-frequency card embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 is a functional block diagram of the present utility model, and this active radio-frequency card comprises card body (not shown), is provided with chip 30 and power supply unit 20 in this card body, and this power supply unit 20 is by being connected with external power source body 10 to realize 20 power supplies of this chip.The profile of the card body of active radio-frequency card is various, can be rectangular-shaped, ring-type, three-dimensional contouring shape or the like.Described chip 20 is generally the IC chip, includes control module, memory module and radio-frequency (RF) receiving and transmission module etc. in it, is used to realize and the communicating by letter of card reader.In addition, also can include antenna in the card body of active radio-frequency card, be used between chip 20 and card reader, transmitting radiofrequency signal.
The power supply unit 20 of described active radio-frequency card can integratedly be arranged in the described chip 30, also can independently be arranged at outside the described chip 30, and power supply unit 20 specifically can include:
External power interface 21, it is by being connected with external power source body 10 with the input external power source.Can design the structure of external power interface 21 according to actual needs, comprise at least: this external power interface 21 can be the socket that is arranged with on described card body, and this socket is used for being connected with the plug of external power source body 10.This external power interface 21 is for being convexly equipped with the plug on described card body, and this plug is used for being connected with the socket of external power source body 10.Described external power interface 21 is connected with electric wire, and this electric wire extends and is used for outside the described card body being connected with external power source body 10.Wherein, external power source body 10 can be ubiquitous power source bodies such as household electricity source apparatus (for example household outlet), commercial power source apparatus, motor vehicle power supply device.
Power protection module 22 is used for the external power source from external power interface 21 inputs is carried out power protection, and so-called power protection refers generally to short-circuit protection, overload protection and overvoltage protection etc.
Power transfer module 23 is used for and will converts the operational voltage value of chip 30 to from the magnitude of voltage of the external power source of external power interface 21 input, and be that chip 30 is powered.External power source can be household electricity source (magnitude of voltage is 220V), industrial power supply (magnitude of voltage is 380V) or battery feed, power transfer module 23 need be carried out external power source processing such as rectifying and wave-filtering, convert operational voltage value to magnitude of voltage, for chip 30 provides suitable working power with external power source.Generally speaking, the operating voltage range of chip 30 is 1.8V～3.6V, but is not limited thereto.
Voltage control module 24 is used to control the operational voltage value of power transfer module 23 for chip 30 outputs, promptly requires the magnitude of voltage size of power source conversion, for example 3V.
Can be provided with operating-controlling mechanism on the card body of described active radio-frequency card, shift knob etc. for example, the user can select the powering mode of active radio-frequency card by this operating-controlling mechanism: external power supply body powering mode, battery powered mode or storage battery power supply pattern etc., it has further enriched the powering mode of active radio-frequency card.
Fig. 2 is the three-dimensional structure diagram as the automobile-used active radio-frequency card of a kind of embodiment of the utility model, comprise card body 1 and the plug 2 that is convexly set in outside the card body 1, be provided with referring to chip shown in Figure 1 and power supply unit in the described card body 1, and the external power interface that described plug 2 is exactly a power supply unit shown in Fig. 1, this plug 2 is connected the chip power supply of thinking in the active radio-frequency card with the supply unit of motor vehicle.Preferably, this plug 2 is connected with the cigar lighter supply socket of motor vehicle.Power sources of motor vehicle is generally the 12V direct supply, and power supply unit need be converted to the magnitude of voltage of power sources of motor vehicle of input the operational voltage value of chip, and being embodied as chip provides as 1.8V～3.6V dc supply.Adopt the automobile-used active radio-frequency card of present embodiment, the driver is when driving over toll station or sentry box, parking lot, only need and to power on the active radio-frequency card insertion motor vehicle power supply device, in the scope about motor vehicle is apart from card reader 10m, can finish the read-write identifying operation with card reader, this powering mode is not only easy to operate, and power supply is sufficient reliable.
In sum, the utility model is by the power supply unit that can be connected with the external power source body is set in active radio-frequency card, to realize chip power supply.Ubiquitous external power source body is taken from the power supply of this active radio-frequency card, and its powering mode is convenient and simple; And the power supply of external power source body is sufficient and reliable, need not worry the problem that power supply exhausts again; And it has avoided the pollution of waste battery to environment, has favorable environment protection.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1, a kind of active radio-frequency card comprises the card body and is arranged at the interior chip of described card body, it is characterized in that, also comprises power supply unit in the described card body, and this power supply unit is by being connected with the external power source body to realize described chip power supply.
2, active radio-frequency card according to claim 1 is characterized in that, described power supply unit comprises external power interface, is used for by being connected with the external power source body with the input external power source; And
Power transfer module is used for and will converts the operational voltage value of described chip to from the magnitude of voltage of the external power source of external power interface input, and is described chip power supply.
3, active radio-frequency card according to claim 2 is characterized in that, described power supply unit also includes the power protection module, is used for the external power source from described external power interface input is carried out power protection; And
Voltage control module is used to control the operational voltage value that described power transfer module is chip output.
4, active radio-frequency card according to claim 2 is characterized in that, described power supply unit also comprises power storage module, is used for the external power source of described input is stored, and optionally is described chip power supply; And/or
Battery module is used for optionally being described chip power supply.
5, according to each described active radio-frequency card of claim 1～4, it is characterized in that described power supply unit is arranged in the described chip.
6, active radio-frequency card according to claim 5 is characterized in that, described external power interface is the socket that is arranged with on described card body, and this socket is used for being connected with the external power source body.
7, active radio-frequency card according to claim 5 is characterized in that, described external power interface is the plug that is convexly equipped with on described card body, and this plug is used for being connected with the external power source body.
8, active radio-frequency card according to claim 5 is characterized in that, described external power interface is connected with electric wire, and this electric wire extends and is used for outside the described card body being connected with the external power source body.
9, active radio-frequency card according to claim 5 is characterized in that, described power supply unit is by being connected with the supply unit of motor vehicle to realize described chip power supply.
10, active radio-frequency card according to claim 9 is characterized in that, described power supply unit is by being connected with the cigar lighter supply socket of motor vehicle to realize described chip power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201179673U CN201000637Y (en) | 2007-01-12 | 2007-01-12 | Active RF card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201179673U CN201000637Y (en) | 2007-01-12 | 2007-01-12 | Active RF card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201000637Y true CN201000637Y (en) | 2008-01-02 |
Family
ID=39015041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201179673U Expired - Fee Related CN201000637Y (en) | 2007-01-12 | 2007-01-12 | Active RF card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201000637Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034885A (en) * | 2011-10-10 | 2013-04-10 | 航天信息股份有限公司 | Active card and manufacturing method thereof |
| CN103455835A (en) * | 2012-05-31 | 2013-12-18 | 童国林 | Using method of public bicycle system active RFID tag |
| CN106026354A (en) * | 2016-05-16 | 2016-10-12 | 新智数字科技有限公司 | Active IC card and external charging card sleeve |
-
2007
- 2007-01-12 CN CNU2007201179673U patent/CN201000637Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034885A (en) * | 2011-10-10 | 2013-04-10 | 航天信息股份有限公司 | Active card and manufacturing method thereof |
| CN103455835A (en) * | 2012-05-31 | 2013-12-18 | 童国林 | Using method of public bicycle system active RFID tag |
| CN106026354A (en) * | 2016-05-16 | 2016-10-12 | 新智数字科技有限公司 | Active IC card and external charging card sleeve |
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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 |
Granted publication date: 20080102 Termination date: 20160112 |