CN101770660A - Identification key of radio-frequency antenna - Google Patents

Identification key of radio-frequency antenna Download PDF

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Publication number
CN101770660A
CN101770660A CN200910202151A CN200910202151A CN101770660A CN 101770660 A CN101770660 A CN 101770660A CN 200910202151 A CN200910202151 A CN 200910202151A CN 200910202151 A CN200910202151 A CN 200910202151A CN 101770660 A CN101770660 A CN 101770660A
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China
Prior art keywords
key
radio
frequency antenna
inner core
identification
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Application number
CN200910202151A
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Chinese (zh)
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CN101770660B (en
Inventor
马宇尘
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Shanghai Liangke Electronic Technology Co Ltd
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Shanghai Liangke Electronic Technology Co Ltd
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Priority to CN200910202151.4A priority Critical patent/CN101770660B/en
Publication of CN101770660A publication Critical patent/CN101770660A/en
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Publication of CN101770660B publication Critical patent/CN101770660B/en
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Abstract

The invention provides an identification key of a radio-frequency antenna, belonging to the field of daily electronic equipment. A radio-frequency circuit is arranged in a main structure of the key; the circuit breakover part of the radio-frequency circuit comprises at least two components; and a pressure switch structure that can be used for controlling the breakover state of the radio-frequency circuit through the pressure is arranged between the components, thereby effectively avoiding the detection of an external detector for the information on a user RFID and preventing the information outleakage of a user and other safety problems. Meanwhile, with the adoption of the identification key of the radio-frequency antenna, the identification function of the radio-frequency antenna can be realized when the user comes into the room, so as to reduce the inconvenience caused by different inner disks of the key when in key bitting. A clamping layer arranged on the key can avoid the phenomenon that a key-bar inner disk is separated from a key bar due to the inappropriate usage of the identification key of the radio-frequency antenna.

Description

A kind of identification key of radio-frequency antenna
Technical field
The invention belongs to daily electronic device field.
Background technology
RFID is the abbreviation of Radio Frequency Identification, and promptly radio-frequency (RF) identification is commonly called as electronic tag.Data are write in the RFID chip, when the RFID chip is put into inside, magnetic field,, just can will deposit the data read in the RFID chip in, and effectively discern by corresponding data reading system.
At present, can under rugged surroundings, work and advantage such as price material benefit is subjected to pursuing of people deeply, use very extensive because of the RFID technology.Yet, existing RFID device, not enough to the protection of its data,, as long as the RFID device is in inside, corresponding magnetic field, just can be by any data reading system reading of data, thus cause many unsafe factors to people's life, study, amusement etc.
In order to improve the problems referred to above, in recent years, many solutions have been proposed, for example, Chinese patent (application number) cn200510087941 has proposed a kind of portable memory with function of keeping secret, in the present invention, reader is installed on the portable memory, then an electric label is positioned on its separable outer box or on a kind of portable article, the principle mode of utilizing RFID to read electric label is come that portable memory is carried out data and saved action from damage.Current research mainly concentrates on the data confidentiality field, in this field of data protection, also needs further to strengthen its safeguard measure.
In view of the above-mentioned state of the art, the present invention proposes a kind of identification key of radio-frequency antenna, avoided the detection of outer locator effectively to information on the user RFID, and the information that prevents user safety problem such as leak outside.
Summary of the invention
The purpose of this invention is to provide a kind of identification key of radio-frequency antenna.
It is set that a kind of identification key of radio-frequency antenna, its correspondence the shank of the key, key bar and key bar inner core, it is characterized in that:
In the key agent structure, be provided with radio circuit;
The circuit turn-on part of described radio circuit comprises two assemblies at least;
Between described assembly, be provided with the pressure switch construction of controlling aforesaid radio circuit conducting state by pressure.
Further, described a kind of identification key of radio-frequency antenna also has following technical characterictic:
Described key bar is realized the externally main element of induction as a kind of identification key of radio-frequency antenna, fixedlys connected by inboard with key handle.
Described key bar inner core is provided with the functional module of radio circuit.
Described radio circuit, it is arranged on the 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.
Outer setting at described key bar inner core has the holding layer, and on this holding layer, corresponding radio circuit is provided with position limiting structure.
Corresponding described key bar inner core and radio circuit are provided with the pressure switch of controlling aforesaid radio circuit conducting state by pressure.
The invention has the advantages that:
Be replicated easily at existing RFID recognition function, unsafe phenomenon, identification key of radio-frequency antenna of the present invention utilizes the pressure switch on it, when the user opens the door step, pressure switch does not produce closing phenomenon, and the radio circuit assembly does not constitute conducting, and RFID sends with regard to externally not carrying out signal, so just can prevent the detection of outer locator effectively, the information that prevents the user effectively safety problem such as leak outside to information on the user RFID; When the user need enter house interior,, make the pressure switch closure by ambient pressure, the conducting of radio circuit assembly, the radio circuit assembly externally sends signal, just can carry out data with the RFID detector of porch, room and be connected, and the user just can enter house interior like this.Simultaneously, utilize identification key of radio-frequency antenna of the present invention, can when the user enters the room, realize the radio-frequency antenna recognition function, join the inconvenience that different key inner cores bring when getting key thereby reduce people.Can avoid using identification key of radio-frequency antenna improper and be arranged on this holding layer on the key, cause the key bar inner core to break away from the phenomenon of key bar because of the user.
Description of drawings
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 among the 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, showed a kind of primary structure of identification key of radio-frequency antenna 100 here, it includes following structure:
Key bar 200 is fixedlyed connected by inboard with key handle 300.Key bar 200 is provided with key bar inner core 210 and is used for the holding layer 230 of holding key bar inner core 210.Holding layer 230 is provided with the position limiting structure of projection, in order to the position of key bar inner core 210 is limited, prevent that key bar inner core 210 from excessively being stretched, simultaneously, holding layer 230 can prevent that also the user from using this identification key of radio-frequency antenna 100 not at that time, causes key bar inner core 210 to break away from the phenomenon of key bar 200.Further, the radio circuit 220 with radio frequency recognition function is set also on key bar inner core 210, is used for externally sending radiofrequency signal.Near key handle 300 ends, be provided with RFID chip 221 at key bar inner core 210, and at key bar inner core 210 away from key handle 300 ends, 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 the signal emission function.Further, corresponding key bar inner core 210 and radio circuit 220 are provided with by pressure and realize the whether pressure switch 240 of conducting of radio circuit 220.Corresponding radio circuit 220, pressure switch 240 is arranged to the spring body structure.
When the user does not need to enter designated room inside, as shown in Figure 1, under common work or living environment, the radio circuit 220 that is positioned on the key bar inner core 210 can not be subjected to the external circumstances influence, be arranged to the pressure switch 240 of spring structure, be in normal condition, do not produce deformation, at this moment RFID chip 221 can not carry out conducting by RFID antenna conductive junction point 223 with RFID antenna 222, has prevented that effectively the effective information on the radio circuit 220 is detected.
When the user need enter designated room inside, as shown in Figure 2, hand-held key handle 300, near the detection system that is arranged at designated room, the holding layer 230 that is positioned on the key bar inner core 210 is subjected to the external system influence, is arranged to the pressure switch 240 of spring body structure, is in by pressure condition, produce deformation, at this moment RFID chip 221 carries out conducting with RFID antenna 222 by RFID antenna conductive junction point 223.At this moment, detection system just can effectively be discerned the RFID information that the user held, and like this, the user just can enter designated room inside.
Behind end of identification, 240 answers of pressure switch normal configuration as shown in Figure 1, like this, RFID chip 221 and RFID antenna 222 can not conductings, and the effective information on the radio circuit 220 just can not be surveyed by the 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 realizes that by being arranged to the elastic sphere structure this structure comprises:
Key bar 200 is fixedlyed connected by inboard with key handle 300.Key bar 200 is provided with key bar inner core 210 and is used for the holding layer 230 of holding key bar inner core 210.Holding layer 230 is provided with the position limiting structure of projection, in order to the position of key bar inner core 210 is limited, prevent that key bar inner core 210 from excessively being stretched, simultaneously, holding layer 230 can prevent that also the user from using this identification key of radio-frequency antenna 100 not at that time, causes key bar inner core 210 to break away from the phenomenon of key bar 200.Further, the radio circuit 220 with radio frequency recognition function is set also on key bar inner core 210, is used for externally sending radiofrequency signal.Near key handle 300 ends, be provided with RFID chip 221 at key bar inner core 210, and at key bar inner core 210 away from key handle 300 ends, 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 the signal emission function.
Further, corresponding key bar inner core 210 and radio circuit 220 are provided with the pressure switch 240 that realizes by the elastic sphere structure, and the slightly larger in diameter of this elastic ball is in RFID antenna conductive junction point 223.
When the user does not need to enter designated room inside, under common work or living environment, the radio circuit 220 that is positioned on the key bar inner core 210 can not be subjected to the external circumstances influence, be arranged to the pressure switch 240 of elastic sphere, be in normal condition, do not produce deformation, at this moment RFID chip 221 can not carry out conducting by RFID antenna conductive junction point 223 with RFID antenna 222, has prevented that effectively the effective information on the radio circuit 220 is detected.
When the user need enter designated room inside, hand-held key handle 300, near the detection system that is arranged at designated room, the holding layer 230 that is positioned on the key bar inner core 210 is subjected to the external system influence, be arranged to the pressure switch 240 of elastic sphere, be in by pressure condition, produce deformation, at this moment RFID chip 221 carries out conducting with RFID antenna 222 by RFID antenna conductive junction point 223.At this moment, detection system just can effectively be discerned the RFID information that the user held, and like this, the user just can enter designated room inside.
Behind end of identification, 240 of pressure switches are returned to normal configuration, and like this, RFID chip 221 and RFID antenna 222 can not conductings, and the effective information on the radio circuit 220 just can not be surveyed by the 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 realizes by magnetic texure, the magnetic of external system 400 is set to " S " utmost point, and key bar inner core 210 is set to " S " utmost point away from the external magnetic of key handle 300 ends.This structure comprises:
Key bar 200 is fixedlyed connected by inboard with key handle 300.Key bar 200 is provided with key bar inner core 210 and is used for the holding layer 230 of holding key bar inner core 210.Holding layer 230 is provided with the position limiting structure of projection, in order to the position of key bar inner core 210 is limited, prevent that key bar inner core 210 from excessively being stretched, simultaneously, holding layer 230 can prevent that also the user from using this identification key of radio-frequency antenna 100 not at that time, causes key bar inner core 210 to break away from the phenomenon of key bar 200.Further, the radio circuit 220 with radio frequency recognition function is set also on key bar inner core 210, is used for externally sending radiofrequency signal.Near key handle 300 ends, be provided with RFID chip 221 at key bar inner core 210, and at key bar inner core 210 away from key handle 300 ends, 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 the signal emission function.Further, corresponding key bar inner core 210 and radio circuit 220 are provided with the pressure switch 240 that realizes by magnetic texure.Corresponding radio circuit 220, key bar inner core 210 is arranged to magnetic texure away from key handle 300 ends.
When the user does not need to enter designated room inside, under common work or living environment, the radio circuit 220 that is positioned on the key bar inner core 210 can not be subjected to the external circumstances influence, be arranged to the pressure switch 240 of magnetic texure, be in normal condition, do not produce deformation, at this moment RFID chip 221 can not carry out conducting by RFID antenna conductive junction point 223 with RFID antenna 222, has prevented that effectively the effective information on the radio circuit 220 is detected.
When the user need enter designated room inside, hand-held key handle 300, near the detection system that is arranged at designated room, the external system 400 that is set to " S " utmost point is repelled away from the outside of key handle 300 ends mutually with the key bar inner core 210 that magnetic is set to " S " utmost point, be arranged to the pressure switch 240 of magnetic texure, be in by pressure condition, at this moment RFID chip 221 carries out conducting with RFID antenna 222 by RFID antenna conductive junction point 223.At this moment, detection system just can effectively be discerned the RFID information that the user held, and like this, the user just can enter designated room inside.
Behind end of identification, 240 of pressure switches are returned to normal configuration, and like this, RFID chip 221 and RFID antenna 222 can not conductings, and the effective information on the radio circuit 220 just can not be surveyed by the outside.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.

Claims (7)

1. identification key of radio-frequency antenna, it is set that its correspondence the shank of the key, key bar and key bar inner core, it is characterized in that:
In the key agent structure, be provided with radio circuit;
The circuit turn-on part of described radio circuit comprises two assemblies at least;
Between described assembly, be provided with the pressure switch construction of controlling aforesaid radio circuit conducting state by pressure.
2. a kind of identification key of radio-frequency antenna according to claim 1 is characterized in that: described key bar, realize the externally main element of induction as a kind of identification key of radio-frequency antenna, and fixedly connected by inboard with key handle.
3. a kind of identification key of radio-frequency antenna according to claim 1 is characterized in that: described key bar inner core is provided with the functional module of radio circuit.
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 the 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: the outer setting at described key bar inner core has the holding layer, and on this holding layer, corresponding radio circuit is provided with position limiting structure.
7. a kind of identification key of radio-frequency antenna according to claim 1 is characterized in that: corresponding described key bar inner core and radio circuit are provided with the pressure switch of controlling aforesaid radio circuit conducting state by pressure.
CN200910202151.4A 2009-12-31 2009-12-31 A kind of identification key of radio-frequency antenna Active CN101770660B (en)

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Application Number Priority Date Filing Date Title
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CN101770660B CN101770660B (en) 2015-12-02

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Cited By (1)

* Cited by examiner, † Cited by third party
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 (7)

* Cited by examiner, † Cited by third party
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
WO2000077329A2 (en) * 1999-06-14 2000-12-21 Siemens Automotive Corporation Key fob with valet and car locator feature
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
JP2005264628A (en) * 2004-03-19 2005-09-29 Toshiba Tec Corp History management system

Patent Citations (7)

* Cited by examiner, † Cited by third party
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
WO2000077329A2 (en) * 1999-06-14 2000-12-21 Siemens Automotive Corporation Key fob with valet and car locator feature
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
JP2005264628A (en) * 2004-03-19 2005-09-29 Toshiba Tec Corp History management system

Cited By (1)

* Cited by examiner, † Cited by third party
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

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