CN203941541U - Safe RFID flexible label based on human body sensing - Google Patents
Safe RFID flexible label based on human body sensing Download PDFInfo
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- CN203941541U CN203941541U CN201420323144.6U CN201420323144U CN203941541U CN 203941541 U CN203941541 U CN 203941541U CN 201420323144 U CN201420323144 U CN 201420323144U CN 203941541 U CN203941541 U CN 203941541U
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- rfid
- spill
- antenna
- protection lid
- human body
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Abstract
The utility model discloses a kind of safe RFID flexible label based on human body sensing, comprise RFID chip, RFID chip protecting colloid, antenna, substrate and flexible package shell; Also comprise spill antenna protection lid and seal protection lid, described spill antenna protection lid is covered on antenna completely, and spill antenna protection lid center is provided with perforate, and described seal protection lid covers perforate completely and is arranged at the upside that spill antenna protection covers; The downside of described substrate is provided with spill substrate over cap, and contacts with spill antenna protection lid; At the RFID of RFID chip interface circuit, to the power lead of RFID digital circuit, human body contact induction on-off circuit is set.The utility model carries out triple protection to RFID chip, and simultaneously the outer package of label adopts flexible material to make, and bears external pressure, thereby makes RFID label have the advantages such as the external pressure of bearing, high temperature resistant and anticorrosion.In addition, the security of this RFID flexible label is high.
Description
Technical field
The utility model relates to wireless communication field, specifically a kind of safe RFID flexible label based on human body sensing.
Background technology
In recent years, along with the development of the communication technology, take radio-frequency technique as support, the short-range communication that the wireless communication technology of take is means obtains constantly perfect, RFID (Radio Frequency Identification is called for short RFID) REID is arisen at the historic moment.RFID radio-frequency (RF) identification is a kind of contactless automatic identification technology, and it can see through exterior material, by radiofrequency signal, is automatically identified destination object and is obtained related data, and identification work need not manual intervention, can work in various rugged surroundings.RFID technology not only can be identified high-speed moving object but also can identify a plurality of labels simultaneously, convenient to operation.Radio frequency identification RFID produces in this technical foundation.
Because radio frequency identification RFID has very large information storage amount, therefore, in fields such as the management of modern logistics, electric power asset and foodstuff traceabilities, there is application very widely, thus the making of radio frequency identification RFID and be encapsulated into RFID REID and be able to the hardware guarantee in association area application.Although existing RFID label design can reduce the impact of part bending stress on circuit chip, but when object is in the severe environmental conditions such as crooked pressure, high temperature, corrosion lower time, RFID chip and antenna easily come off from backing material plate because of factor impacts such as crooked pressure, high temperature and corrosion, thereby have a strong impact on scanning device reading the built-in information of radio frequency identification RFID.
In addition, because radio-frequency card has not had exposed electrical contact node, radio-frequency card is compared with Contact Type Ic Card product, have a certain upgrade, but it does not change the pattern that smart card is used the security means such as identifying algorithm and key aspect security.And eighties of last century the mid-90, most work C Card processor all by successful implementation reverse engineering, so radio-frequency card is not from solving in essence safety problem.Because REID is for example used, gradually in some very important field: stored value card, electronic bill, the No.2 residence card of China etc., so its security is particularly important.When radio-frequency card designs, the safety problem of radio-frequency card must be placed above the other things, prevent that card internal information is stolen or lost efficacy.
According to the object encapsulation that whether destroys RF Card Microchip, the attack technology of radio-frequency card can be divided into two large classes: Subversive attack and Nondestructive attack.Nondestructive attack is mainly for the product with microprocessor, and its means mainly comprise software attacks, Eavesdropping and fault generating technique.Software attacks is used the general-purpose communication interface of microprocessor, the weakness of seeking security protocol, cryptographic algorithm and their physics realization; Eavesdropping adopts the method for high time resolution, the simulation feature of the various electromagnetic radiation that analysis power interface produces in microprocessor course of normal operation; Fault generating technique, by producing abnormal applied environment condition, makes processor produce fault, thereby obtains extra access approach.
In order to improve the security of radio-frequency card, industry is devoted to find better security protocol, cryptographic algorithm always, and adopt more rationally, the better structural design of barrier propterty, but the safety that how effectively to improve radio-frequency card is still current urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of safe RFID flexible label based on human body sensing, and this label can carry out normal read data information in crooked situation, and safer.
For achieving the above object, the utility model provides following technical scheme:
A kind of safe RFID flexible label based on human body sensing, comprise RFID chip, RFID chip protecting colloid, antenna, substrate and flexible package shell, described RFID chip conducts electricity and is connected with antenna, and antenna is arranged on substrate, and RFID chip protecting colloid is covered on RFID chip; Also comprise spill antenna protection lid and seal protection lid, described spill antenna protection lid is covered on antenna completely, and spill antenna protection lid center is provided with perforate, described perforate exposes the bearing of RFID chip and antenna, and the thickness of spill antenna protection lid is greater than the thickness of RFID chip, described seal protection lid covers perforate completely and is arranged at the upside of spill antenna protection lid; The downside of described substrate is provided with spill substrate over cap, and the complete covered substrate of spill substrate over cap, and contacts with spill antenna protection lid; Described RFID chip comprises RFID interface circuit and RFID digital circuit, at RFID interface circuit, to the power lead of RFID digital circuit, human body contact induction on-off circuit is set, and the sense contact of this human body contact induction on-off circuit is exposed on flexible package shell, whether human body contact induction on-off circuit is for detection of having human body to contact in a predefined manner RFID flexible label, in this way, connect described power lead, otherwise disconnect described power lead.
As further program of the utility model: described seal protection lid, spill antenna protection lid and spill substrate over cap adopt exotic material to make; Described flexible package shell adopts flexible material to make.
As further program of the utility model: described human body contact induction on-off circuit adopts capacitance touch inductive switch circuit.
Compared with prior art; the beneficial effects of the utility model are: the utility model seal protection lid, spill antenna protection lid and spill substrate over cap carry out triple protection to RFID chip; the outer package of label adopts flexible material to make simultaneously; bear external pressure; thereby make RFID label there is the advantages such as the external pressure of bearing, high temperature resistant and anticorrosion, improved reading speed and the reliability to storing information in RFID label in practical application.In addition, human body contact induction on-off circuit, make RFID flexible label only under special hand holding state radio-frequency card could work, thereby greatly improved the security of RFID flexible label.
Accompanying drawing explanation
Fig. 1 is the structural representation of the safe RFID flexible label based on human body sensing.
Fig. 2 is the schematic diagram of RFID chip in the safe RFID flexible label based on human body sensing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of safe RFID flexible label based on human body sensing, comprise RFID chip 1, RFID chip protecting colloid 2, antenna 6, substrate 7 and flexible package shell 9, described RFID chip 1 conducts electricity and is connected with antenna 6, antenna 6 is arranged on substrate 7, and RFID chip protecting colloid 2 is covered on RFID chip 1; Also comprise spill antenna protection lid 5 and seal protection lid 3, described spill antenna protection lid 5 is covered on antenna 6 completely, and spill antenna protection covers 5 centers and is provided with perforate 4, described perforate 4 exposes the bearing of RFID chip 1 and antenna 6, and the thickness of spill antenna protection lid 5 is greater than the thickness of RFID chip 1, described seal protection lid 3 covers perforate 4 completely and is arranged at the upside of spill antenna protection lid 5; For RFID chip 1, antenna 6 and substrate 7 are fixed further and protected, the downside of described substrate 7 is provided with spill substrate over cap 8, and the complete covered substrate 7 of spill substrate over cap 8, and contacts with spill antenna protection lid 5.
Described seal protection lid 3, spill antenna protection lid 5 and spill substrate over cap 8 adopt exotic material to make; For example, exotic material can adopt the exotic materials such as high temperature resistant PET material to make; Described flexible package shell 9 adopts flexible material to make.Flexible material can be selected the flexible materials such as silica gel or plastics or petroleum derivation product.
Between the chip 1 of RFID described in the utility model and antenna 6, adopt some glue mode to be fixed; in order to limit a glue in condition of high temperature current downflow; thereby make spill antenna protection lid 5 be unlikely to be because a gelling is solid the fixed effect that convex affects seal protection lid 3, the measure of taking at this is, on spill antenna protection lid 5, perforate 4 is set.The infringement in use causing because of external force impacts such as label bending, distortions for fear of antenna 6; spill antenna protection lid 5 complete cover antenna 6; the thickness of spill antenna protection lid 5 is greater than the thickness of RFID chip 1; after RFID chip 1 and antenna 6 are fixed in the mode of a glue; the bearing of RFID chip 1 and antenna 6 is just in the perforate 4 in spill antenna protection lid 5; thereby can avoid the impact of ambient pressure, play protective effect.Described seal protection lid 3 covers perforate 4 completely, can so that the bearing of RFID chip 1 and antenna 6 in one by spill antenna protection lid 5 and seal protection lid 3 enclosure spaces that surround in, thereby reduced the impact of the factors such as external pressure, temperature.
Refer to Fig. 2, described RFID chip 1 comprises RFID interface circuit 10 and RFID digital circuit 20, on the power lead (VDD) of RFID interface circuit 10 to RFID digital circuits 20, human body contact induction on-off circuit 30 is set, and the sense contact of this human body contact induction on-off circuit is exposed on flexible package shell, whether human body contact induction on-off circuit 30 is for detection of having human body to contact in a predefined manner RFID flexible label, in this way, connect described power lead, otherwise disconnect described power lead.
Under normal conditions, can disconnect RFID interface circuit 10 to the power supply of RFID digital circuit 20, only sense that human body contacts RFID when touched corresponding contact in a predefined manner, just connects the power supply that RFID interface circuit 10 arrives RFID digital circuit 20.
The also widespread use on the products such as all kinds of panels, light fixture at present of human body contact induction on-off circuit, different according to the contact of using, conventional have resistive touch inductive switch circuit and a capacitance touch inductive switch circuit.Wherein resistive touch inductive switch circuit is used metal electrode as contact, the electrical characteristics that produce while utilizing human body contacting metal electrode detect as the variation of electric current, static capacity, electric capacity etc. realizes, the corresponding induced signal that electrical property change produces (as the oscillator signal of voltage signal, characteristic frequency etc.) can be detected by circuit for detecting, and then produce switching signal.And capacitor be take as basis in the contact of capacitance touch inductive switch circuit, when human body can change electric capacity during as finger touch capacitor locations, corresponding induced signal can be detected by corresponding circuit for detecting, and then produces switching signal.More than capacitance touch inductive switch circuit can penetrate insulating material housing 20mm (glass, plastics etc.), detect like clockwork effective touch of finger.The sensitivity of assurance product, stability, reliability etc. can or not used for a long time because of the change of environmental baseline and change, and have waterproof and strong anti-interference ability.Therefore, the human body contact induction on-off circuit of the present embodiment adopts capacitance touch inductive switch circuit.This RFID flexible label is in closed condition when not using, and when needs scan RFID by card reader, holder just can activate RFID flexible label the corresponding contact that press...withes one's finger.Can effectively prevent that information is stolen, simultaneously very easy to use, do not need safeguard procedures extraly.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, is therefore intended to include in the utility model dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. the safe RFID flexible label based on human body sensing, comprise RFID chip, RFID chip protecting colloid, antenna, substrate and flexible package shell, it is characterized in that, described RFID chip conducts electricity and is connected with antenna, antenna is arranged on substrate, and RFID chip protecting colloid is covered on RFID chip; Also comprise spill antenna protection lid and seal protection lid, described spill antenna protection lid is covered on antenna completely, and spill antenna protection lid center is provided with perforate, described perforate exposes the bearing of RFID chip and antenna, and the thickness of spill antenna protection lid is greater than the thickness of RFID chip, described seal protection lid covers perforate completely and is arranged at the upside of spill antenna protection lid; The downside of described substrate is provided with spill substrate over cap, and the complete covered substrate of spill substrate over cap, and contacts with spill antenna protection lid; Described RFID chip comprises RFID interface circuit and RFID digital circuit, at RFID interface circuit, to the power lead of RFID digital circuit, human body contact induction on-off circuit is set, and the sense contact of this human body contact induction on-off circuit is exposed on flexible package shell, whether human body contact induction on-off circuit is for detection of having human body to contact in a predefined manner RFID flexible label, in this way, connect described power lead, otherwise disconnect described power lead.
2. the safe RFID flexible label based on human body sensing according to claim 1, is characterized in that, described seal protection lid, spill antenna protection lid and spill substrate over cap adopt exotic material to make; Described flexible package shell adopts flexible material to make.
3. the safe RFID flexible label based on human body sensing according to claim 1 and 2, is characterized in that, described human body contact induction on-off circuit adopts capacitance touch inductive switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323144.6U CN203941541U (en) | 2014-06-18 | 2014-06-18 | Safe RFID flexible label based on human body sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323144.6U CN203941541U (en) | 2014-06-18 | 2014-06-18 | Safe RFID flexible label based on human body sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941541U true CN203941541U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323144.6U Expired - Fee Related CN203941541U (en) | 2014-06-18 | 2014-06-18 | Safe RFID flexible label based on human body sensing |
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| CN (1) | CN203941541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288086A (en) * | 2018-04-08 | 2018-07-17 | 东营杰开智能科技有限公司 | A kind of cylindricality tubing coupling special tags and its installation method |
| CN111582423A (en) * | 2019-02-18 | 2020-08-25 | 亚萨合莱有限公司 | Secure RFID device |
| CN113174735A (en) * | 2021-04-28 | 2021-07-27 | 福州泰利洗涤有限公司 | Automatic distribution system for washed clothes in laundry workshop |
-
2014
- 2014-06-18 CN CN201420323144.6U patent/CN203941541U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288086A (en) * | 2018-04-08 | 2018-07-17 | 东营杰开智能科技有限公司 | A kind of cylindricality tubing coupling special tags and its installation method |
| CN111582423A (en) * | 2019-02-18 | 2020-08-25 | 亚萨合莱有限公司 | Secure RFID device |
| CN111582423B (en) * | 2019-02-18 | 2023-08-08 | 亚萨合莱有限公司 | Secure RFID device |
| CN113174735A (en) * | 2021-04-28 | 2021-07-27 | 福州泰利洗涤有限公司 | Automatic distribution system for washed clothes in laundry workshop |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20170618 |