CN101770660B - A kind of identification key of radio-frequency antenna - Google Patents
A kind of identification key of radio-frequency antenna Download PDFInfo
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- CN101770660B CN101770660B CN200910202151.4A CN200910202151A CN101770660B CN 101770660 B CN101770660 B CN 101770660B CN 200910202151 A CN200910202151 A CN 200910202151A CN 101770660 B CN101770660 B CN 101770660B
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Abstract
The invention provides a kind of identification key of radio-frequency antenna, belong to daily electronic device field.In the agent structure of key, be provided with radio circuit, the circuit turn-on part of this radio circuit, includes at least two assemblies; Between described assembly, be provided with pressure to control the pressure switch construction of aforesaid radio circuit conducting state.Efficiently avoid the detection of outer locator to information on user RFID, and prevent the safety problems such as the information of user leaks outside.Meanwhile, utilize identification key of radio-frequency antenna of the present invention, radio-frequency antenna recognition function can be realized when user enters room, thus minimizing people join the inconvenience that when getting key, different key inner core brings.And be arranged on this holding layer on the key and can avoid using identification key of radio-frequency antenna improper because of user, cause key bar inner core to depart from the phenomenon of key bar.
Description
Technical field
The invention belongs to daily electronic device field.
Background technology
RFID is the abbreviation of RadioFrequencyIdentification, i.e. radio-frequency (RF) identification, is commonly called as electronic tag.Data are write in RFID chip, when RFID chip put into magnetic field inner time, by corresponding data reading system, just by stored in the digital independent in RFID chip, and effectively can identify.
At present, because RFID technique can work and advantage the pursuing deeply by people such as price material benefit in the presence of a harsh environment, application widely.But, existing RFID device, inadequate to the protection of its data, as long as RFID device is in inside, corresponding magnetic field, just can be read data by any data reading system, thus cause many unsafe factors to the life, study, amusement etc. of people.
In order to improve the problems referred to above, in recent years, propose many solutions, such as, Chinese patent (application number) cn200510087941, proposes a kind of portable memory with function of keeping secret, in the present invention, be installed on by reader on portable memory, be then positioned over by an electric label on its separable outer box or on a kind of portable article, the principle utilizing RFID to read electric label carries out data to portable memory and saves action from damage.Current research mainly concentrates on data confidentiality field, in this field of data protection, also needs to strengthen its safeguard measure further.
In view of the above-mentioned state of the art, the present invention proposes a kind of identification key of radio-frequency antenna, efficiently avoid the detection of outer locator to information on user RFID, and prevent the safety problems such as the information of user leaks outside.
Summary of the invention
The object of this invention is to provide a kind of identification key of radio-frequency antenna.
A kind of identification key of radio-frequency antenna, it correspond to set by the shank of the key, key bar and key bar inner core, it is characterized in that:
Radio circuit is provided with in key body structure;
The circuit turn-on part of described radio circuit, at least comprises two assemblies;
Between described assembly, be provided with pressure to control the pressure switch construction of aforesaid radio circuit conducting state.
Further, described a kind of identification key of radio-frequency antenna, also has following technical characteristic:
Described key bar, is realized the main element of externally induction, is fixedly connected with key handle by inner side as a kind of identification key of radio-frequency antenna.
Described key bar inner core is provided with the functional module of radio circuit.
Described radio circuit, it is arranged on key bar inner core, has the assembly of radio frequency recognition function.
Described radio circuit, it includes RFID chip, RFID antenna and RFID antenna conductive junction point.
There is holding layer in the outer setting of described key bar inner core, on this holding layer, correspond to radio circuit, be provided with position limiting structure.
Correspond to described key bar inner core and radio circuit, be provided with pressure to control the pressure switch of aforesaid radio circuit conducting state.
The invention has the advantages that:
Easily be replicated for existing RFID recognition function, unsafe phenomenon, identification key of radio-frequency antenna of the present invention utilizes the pressure switch on it, when user does not carry out enabling step, pressure switch does not produce closing phenomenon, and radio circuit assembly does not form conducting, and RFID does not just externally carry out signal transmission, outer locator so just effectively can be prevented the detection of information on user RFID, effectively prevent the safety problems such as the information of user leaks outside; When user needs to enter house interior, by ambient pressure, pressure switch is closed, radio circuit element turns, radio circuit assembly externally sends signal, and just can carry out data cube computation with the RFID detector at room entrances place, such user just can enter house interior.Meanwhile, utilize identification key of radio-frequency antenna of the present invention, radio-frequency antenna recognition function can be realized when user enters room, thus minimizing people join the inconvenience that when getting key, different key inner core brings.And be arranged on this holding layer on the key and can avoid using identification key of radio-frequency antenna improper because of user, cause key bar inner core to depart from the phenomenon of key bar.
Accompanying drawing explanation
Fig. 1,2 is the structural representation of this bright described a kind of identification key of radio-frequency antenna.
Fig. 3 is the structural representation of a kind of embodiment of a kind of identification key of radio-frequency antenna of the present invention.
The structural representation of Fig. 4 a kind of identification key of radio-frequency antenna of the present invention is the structural representation of another kind of embodiment.
Label declaration in figure:
Identification key of radio-frequency antenna-100, key bar-200, key bar inner core-210, radio circuit-220, RFID chip-221, RFID antenna-222, RFID antenna conductive junction point-223, holding layer-230, pressure switch-240; Key handle-300; External system-400.
Embodiment
Fig. 1,2 explanation:
Shown in ginseng Fig. 1, illustrate a kind of primary structure of identification key of radio-frequency antenna 100 here, it includes following structure:
Key bar 200 is fixedly connected with by inner side with key handle 300.Key bar 200 is provided with key bar inner core 210 and the holding layer 230 for holding key bar inner core 210.Holding layer 230 is provided with protruding position limiting structure, in order to limit the position of key bar inner core 210, key bar inner core 210 is prevented to be excessively stretched, simultaneously, holding layer 230 also can prevent user at this identification key of radio-frequency antenna 100 of use not at that time, causes key bar inner core 210 to depart from the phenomenon of key bar 200.Further, key bar inner core 210 also arranges the radio circuit 220 with radio frequency recognition function, for externally sending radiofrequency signal.At key bar inner core 210 near key handle 300 end, be provided with RFID chip 221, and at key bar inner core 210 away from key handle 300 end, be provided with RFID antenna 222.Described RFID chip 221 is connected by RFID antenna conductive junction point 223 with RFID antenna 222, in order to realize signal emission function.Further, correspond to key bar inner core 210 and radio circuit 220, be provided with the pressure switch 240 that pressure realizes radio circuit 220 whether conducting.Correspond to radio circuit 220, pressure switch 240 is arranged to spring body structure.
When user does not need to enter designated room inside time, as shown in Figure 1, under common work or living environment, the radio circuit 220 be positioned on key bar inner core 210 can not be subject to external circumstances impact, be arranged to the pressure switch 240 of spring structure, be in normal condition, do not produce deformation, at this moment RFID chip 221 and RFID antenna 222 do not carry out conducting by RFID antenna conductive junction point 223, and the effective information that effectively prevent on radio circuit 220 is detected.
When user needs to enter designated room inside time, as shown in Figure 2, hand-held key handle 300, close to the detection system being arranged at designated room, the holding layer 230 be positioned on key bar inner core 210 is subject to external system impact, is arranged to the pressure switch 240 of spring body structure, is in by pressure condition, produce deformation, at this moment RFID chip 221 and RFID antenna 222 carry out conducting by RFID antenna conductive junction point 223.Now, detection system just effectively can identify the RFID information that user holds, and like this, it is inner that user just can enter designated room.
When after end of identification, pressure switch 240 replys normal configuration as shown in Figure 1, and like this, RFID chip 221 and RFID antenna 222 can not conductings, the effective information on radio circuit 220 just can not detect by outside.
Embodiment one:
Fig. 3 is the structural representation of a kind of embodiment of a kind of identification key of radio-frequency antenna of the present invention, and in the present embodiment, pressure switch 240 is by being arranged to elastic sphere structure realize, and this structure comprises:
Key bar 200 is fixedly connected with by inner side with key handle 300.Key bar 200 is provided with key bar inner core 210 and the holding layer 230 for holding key bar inner core 210.Holding layer 230 is provided with protruding position limiting structure, in order to limit the position of key bar inner core 210, key bar inner core 210 is prevented to be excessively stretched, simultaneously, holding layer 230 also can prevent user at this identification key of radio-frequency antenna 100 of use not at that time, causes key bar inner core 210 to depart from the phenomenon of key bar 200.Further, key bar inner core 210 also arranges the radio circuit 220 with radio frequency recognition function, for externally sending radiofrequency signal.At key bar inner core 210 near key handle 300 end, be provided with RFID chip 221, and at key bar inner core 210 away from key handle 300 end, be provided with RFID antenna 222.Described RFID chip 221 is connected by RFID antenna conductive junction point 223 with RFID antenna 222, in order to realize signal emission function.
Further, correspond to key bar inner core 210 and radio circuit 220, the pressure switch 240 being provided with elastic sphere structure to realize, the diameter of this elastic ball is slightly larger than RFID antenna conductive junction point 223.
When user does not need to enter designated room inside time, under common work or living environment, the radio circuit 220 be positioned on key bar inner core 210 can not be subject to external circumstances impact, be arranged to the pressure switch 240 of elastic sphere, be in normal condition, do not produce deformation, at this moment RFID chip 221 and RFID antenna 222 do not carry out conducting by RFID antenna conductive junction point 223, and the effective information that effectively prevent on radio circuit 220 is detected.
When user needs to enter designated room inside time, hand-held key handle 300, close to the detection system being arranged at designated room, the holding layer 230 be positioned on key bar inner core 210 is subject to external system impact, be arranged to the pressure switch 240 of elastic sphere, be in by pressure condition, produce deformation, at this moment RFID chip 221 and RFID antenna 222 carry out conducting by RFID antenna conductive junction point 223.Now, detection system just effectively can identify the RFID information that user holds, and like this, it is inner that user just can enter designated room.
When after end of identification, pressure switch 240 is returned to normal configuration, and like this, RFID chip 221 and RFID antenna 222 can not conductings, the effective information on radio circuit 220 just can not detect by outside.
Embodiment two:
Fig. 4 is the structural representation of the another kind of embodiment of a kind of identification key of radio-frequency antenna of the present invention, in the present embodiment, pressure switch 240 is realized by magnetic texure, the magnetic of external system 400 is set to " S " pole, and key bar inner core 210 is set to " S " pole away from the external magnetic of key handle 300 end.This structure comprises:
Key bar 200 is fixedly connected with by inner side with key handle 300.Key bar 200 is provided with key bar inner core 210 and the holding layer 230 for holding key bar inner core 210.Holding layer 230 is provided with protruding position limiting structure, in order to limit the position of key bar inner core 210, key bar inner core 210 is prevented to be excessively stretched, simultaneously, holding layer 230 also can prevent user at this identification key of radio-frequency antenna 100 of use not at that time, causes key bar inner core 210 to depart from the phenomenon of key bar 200.Further, key bar inner core 210 also arranges the radio circuit 220 with radio frequency recognition function, for externally sending radiofrequency signal.At key bar inner core 210 near key handle 300 end, be provided with RFID chip 221, and at key bar inner core 210 away from key handle 300 end, be provided with RFID antenna 222.Described RFID chip 221 is connected by RFID antenna conductive junction point 223 with RFID antenna 222, in order to realize signal emission function.Further, correspond to key bar inner core 210 and radio circuit 220, the pressure switch 240 being provided with magnetic texure to realize.Correspond to radio circuit 220, key bar inner core 210 is arranged to magnetic texure away from key handle 300 end.
When user does not need to enter designated room inside time, under common work or living environment, the radio circuit 220 be positioned on key bar inner core 210 can not be subject to external circumstances impact, be arranged to the pressure switch 240 of magnetic texure, be in normal condition, do not produce deformation, at this moment RFID chip 221 and RFID antenna 222 do not carry out conducting by RFID antenna conductive junction point 223, and the effective information that effectively prevent on radio circuit 220 is detected.
When user needs to enter designated room inside time, hand-held key handle 300, close to the detection system being arranged at designated room, the key bar inner core 210 that the external system 400 being set to " S " pole and magnetic are set to " S " pole repels mutually away from the outside of key handle 300 end, be arranged to the pressure switch 240 of magnetic texure, be in by pressure condition, at this moment RFID chip 221 and RFID antenna 222 carry out conducting by RFID antenna conductive junction point 223.Now, detection system just effectively can identify the RFID information that user holds, and like this, it is inner that user just can enter designated room.
When after end of identification, pressure switch 240 is returned to normal configuration, and like this, RFID chip 221 and RFID antenna 222 can not conductings, the effective information on radio circuit 220 just can not detect by outside.
Be more than the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (6)
1. an identification key of radio-frequency antenna, it correspond to set by the shank of the key, key bar and key bar inner core, it is characterized in that:
Radio circuit is provided with in key body structure;
The circuit turn-on part of described radio circuit, at least comprises two assemblies;
Between described assembly, be provided with pressure to control the pressure switch construction of aforesaid radio circuit conducting state, wherein aforesaid pressure switch construction is realized by magnetic texure, and external system and key bar inner core repel mutually away from the outside of handle end in use.
2. a kind of identification key of radio-frequency antenna according to claim 1, is characterized in that: described key bar, realizes the main element of externally induction, be fixedly connected with key handle by inner side as a kind of identification key of radio-frequency antenna.
3. a kind of identification key of radio-frequency antenna according to claim 1, is characterized in that: the functional module being provided with radio circuit on described key bar inner core.
4. a kind of identification key of radio-frequency antenna according to claim 1, is characterized in that: described radio circuit, it is arranged on key bar inner core, has the assembly of radio frequency recognition function.
5. a kind of identification key of radio-frequency antenna according to claim 1, is characterized in that: described radio circuit, it includes RFID chip, RFID antenna and RFID antenna conductive junction point.
6. a kind of identification key of radio-frequency antenna according to claim 1, is characterized in that: have holding layer in the outer setting of described key bar inner core, on this holding layer, correspond to radio circuit, is provided with position limiting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910202151.4A CN101770660B (en) | 2009-12-31 | 2009-12-31 | A kind of identification key of radio-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910202151.4A CN101770660B (en) | 2009-12-31 | 2009-12-31 | A kind of identification key of radio-frequency antenna |
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| Publication Number | Publication Date |
|---|---|
| CN101770660A CN101770660A (en) | 2010-07-07 |
| CN101770660B true CN101770660B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910202151.4A Active CN101770660B (en) | 2009-12-31 | 2009-12-31 | A kind of identification key of radio-frequency antenna |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111353318A (en) * | 2018-12-20 | 2020-06-30 | 夏敬懿 | Detection method for identifying different verification states by radio frequency identification, locking device and equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268627A (en) * | 1992-07-04 | 1994-01-12 | Rover Group | Key for a remote control security device |
| GB2309488A (en) * | 1996-01-27 | 1997-07-30 | Motorola Inc | Vehicle security arrangement |
| CN1293732A (en) * | 1998-12-08 | 2001-05-02 | 密克罗奇普技术公司 | Radio frequency identification security device |
| CN2519967Y (en) * | 2001-12-28 | 2002-11-06 | 商庆海 | Non-contact type safety IC card |
| CN1414516A (en) * | 2002-09-20 | 2003-04-30 | 商庆海 | Non-contact type safety card |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386007B1 (en) * | 1999-06-14 | 2002-05-14 | Siemens Automotive Corporation | Key fob with valet and car locator feature |
| JP4532144B2 (en) * | 2004-03-19 | 2010-08-25 | 東芝テック株式会社 | History management system |
-
2009
- 2009-12-31 CN CN200910202151.4A patent/CN101770660B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268627A (en) * | 1992-07-04 | 1994-01-12 | Rover Group | Key for a remote control security device |
| GB2309488A (en) * | 1996-01-27 | 1997-07-30 | Motorola Inc | Vehicle security arrangement |
| CN1293732A (en) * | 1998-12-08 | 2001-05-02 | 密克罗奇普技术公司 | Radio frequency identification security device |
| CN2519967Y (en) * | 2001-12-28 | 2002-11-06 | 商庆海 | Non-contact type safety IC card |
| CN1414516A (en) * | 2002-09-20 | 2003-04-30 | 商庆海 | Non-contact type safety card |
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| CN101770660A (en) | 2010-07-07 |
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