CN102479337A - RFID (Radio frequency identification) electronic tag encapsulation method and device applied to metal environment - Google Patents
RFID (Radio frequency identification) electronic tag encapsulation method and device applied to metal environment Download PDFInfo
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- CN102479337A CN102479337A CN2010105763970A CN201010576397A CN102479337A CN 102479337 A CN102479337 A CN 102479337A CN 2010105763970 A CN2010105763970 A CN 2010105763970A CN 201010576397 A CN201010576397 A CN 201010576397A CN 102479337 A CN102479337 A CN 102479337A
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Abstract
The invention provides an RFID (Radio frequency identification) electronic tag encapsulation method and device applied to a metal environment. an RFID electronic tag is implanted into a metal pipe according to the specification to form a good electromagnetic shield so that secondary reflection relative to the surface of metal equipment is formed by carrying out measures of metal coating and the like on the tag, thereby obviously reducing the counter reaction of a metal surface vortex on a tag antenna magnetic field. The invention aims to reduce the electromagnetic interference reflection crosstalk of the metal environment to the RFID electronic tag, so as to stably and accurately collect the tag data and prevent the data from being lost or cross read. The encapsulation method comprises the following steps of integrally encapsulating the RFID electronic tag into an insulating material encapsulation film and implanting the encapsulated RFID electronic tag into a metal pipe, wherein the implanting depth does not exceed 5 mm and the distance between the RFID electronic tag and the inner edge of the metal pipe is not less than 2 mm.
Description
Technical field
The present invention is in a kind of suitability for industrialized production environment that is implemented in metal material, realizes that based on the RFID electronic tag data transmission, starting material or finished product are followed the tracks of, the tag package method and the device thereof of record, belongs to electronics manufacturing and information application.
Background technology
Along with the fast development of electronics manufacturing and information application technology, the RFID electronic tag is implanted in various product, the equipment as data message carrier and feedback terminal, become comparatively ripe and feasible technological means.
As in the rubber tyre production scene, the RFID electronic tag is installed on the I-beam wheel of twining various films, through the uniqueness of the identification code of RFID electronic tag own, the various raw materials that are used to assemble green tyres are labelled and distinguished.Promptly deposit, transport and lead out in the process of conveying at film; Accurately send/receive, read and discern through important information ground such as identification codes; Realize that all films deposit the real-time monitoring with user mode, the RFID electronic tag is equivalent to play the effect of " electronic ID card ".
Because the production scene of rubber tyre is used multiple hardware, is stacked with metal parts; Under this metalloid environment, use the RFID technology to realize to the sign of raw material, when reviewing; Will be to the RFID electronic tag read the bigger electromagnetic interference (EMI) of generation; Promptly reflecting to form of radio magnetic wave crosstalked, cause to stablize and gather the RFID electronic tag data exactly, the phenomenon that generation loss of data, string are read.
In addition, the RFID electronic tag is installed on as on the material carriers such as I-beam wheel, is using when external force equipment (like fork truck) such as carrying, leading out, be prone to produce the collision that is directed against electronic tag, scraping and damage.
Be applied to the condition restriction and the present situation of metal environment at present; Require to possess the characteristics of higher anti-electromagnetic interference (EMI) and anti-metallic character, anti-physical damage to RFID electronic tag method for packing and device thereof; Current techniques ability and on-the-spot mount scheme are difficult to reach above-mentioned requirements, and above technical limitation is still comparatively outstanding.
Summary of the invention
RFID electronic tag method for packing and the device thereof that is applied to the metal environment according to the invention; Be to solve above-mentioned existing issue and the RFID electronic tag is implanted to metal tube to form the good electrical magnetic shielding by specific specifications; And take means such as metallic coating on this basis for label to form secondary reflection, with of the retroaction of remarkable reduction metal surface eddy current to label antenna magnetic field with respect to the hardware surface.
The objective of the invention is to, reduce electromagnetic interference (EMI) that the metal environment produces for the RFID electronic tag and crosstalking of reflecting to form, guarantee stable, gather label data exactly, avoid data to produce losing or go here and there and read.
Another goal of the invention is, controls effectively and reduces the secondary reflection that metal part surface produces label antenna, reduces the retroaction that electromagnetic eddy plays in antenna field.
Goal of the invention also is, improves the physical reliability that the RFID electronic tag is installed, and prevents to damage because of external force produces, and prolongs its serviceable life.
For realizing the foregoing invention purpose, the said RFID electronic tag method for packing that is applied to the metal environment is:
The RFID electronic tag integrally is packaged in the insulating material encapsulating film,
RFID electronic tag after the encapsulation is implanted to metal tube inside, and implantation depth is no more than 5 millimeters, and RFID electronic tag and metal tube internal edge distance are not less than 2 millimeters.
Like above-mentioned basic scheme; Be packaged in the RFID electronic tag in the insulating material; After being implanted to metal tube inside; Form the good electrical magnetic shielding through metal tube, thus can reduce effectively the metal environment for the RFID electronic tag data read with process of transmitting in the electromagnetic interference (EMI) that produces or crosstalk through what reflect to form, it is lower that data are lost true degree.
For improving the later communication stability of implanted metal pipe further; From solving the angle of antenna gain and emissive power; The innovative approach that can take is that the metal tube peristome of implantation RFID electronic tag is not more than 30 ° with the surperficial angle of the RFID electronic tag after the implantation.
By above-mentioned improvement project, the polarised direction of antenna makes the RFID electronic tag obtain enough capacitive coupling energy, and the activation scope of RFID electronic tag enlarges further and field intensity is able to further enhancing.
Comparatively preferred embodiment be, metal tube integral body is selected the peroxide iron material for use, and the peroxide iron material mainly is meant Fe
3O
4(tri-iron tetroxide) is also referred to as magnetic oxide.
Adopt like Fe
3O
4The peroxide iron material of (tri-iron tetroxide); Being intended to not add under the situation of external electromagnetic field will spontaneous generation polarization phenomena; The direction of its spontaneous polarization can be added the electromagnetic field counter-rotating or redirected; The betal can of peroxide iron material is much lower than the metal medium of other materials to the influence of radiofrequency signal like this, can improve electronic tag to greatest extent and activate distance.
For reaching effective control and reducing the secondary reflection that metal part surface produces label antenna, the RFID electronic tag is packaged in before the encapsulating film, is coated with electric conductivity good metal coating in the bottom of substrate, a side relative with chip with antenna.
In B.B.P metallizing coating, make the RFID electronic tag have good anti-metallic character, when metal parts or equipment surface, just be equivalent to produce secondary reflection, reduced of the retroaction of metal surface eddy current comparatively significantly to antenna field.
Comparatively preferred embodiment be, described metallic coating is selected the copper lacquer for use, and the thickness of copper lacquer is between 2 to 3 millimeters.
Based on the improvement of above-mentioned RFID electronic tag method for packing based on the metal environment, the present invention also provides the structural design of following concrete packaging system.Described packaging system includes,
The RFID electronic tag, antenna and chip that it has a substrate and is installed on substrate one side;
Encapsulating film is used for the RFID electronic tag integrally is packaged in wherein, and encapsulating film is made up of insulating material;
Metal tube is used for the RFID electronic tag after the encapsulation is implanted wherein, and implantation depth is no more than 5 millimeters, and RFID electronic tag and metal tube internal edge distance are not less than 2 millimeters.
Improvement to RFID electronic tag implanted metal tubular construction parameter is, implants the metal tube peristome of RFID electronic tag, is not more than 30 ° with RFID electronic tag surface angle after implanting, and the emissive power of the antenna of RFID electronic tag is not less than 30dBm.
Refinement to the metal tube scheme of material selection is that metal tube integral body is selected the peroxide iron material for use.
Architecture advances to the encapsulation of RFID electronic tag is to be coated with electric conductivity good metal coating in the bottom of substrate, a side relative with chip with antenna.
Wherein, described metallic coating can be selected the copper lacquer for use, and the thickness of copper lacquer is between 2 to 3 millimeters.
Content to sum up, RFID electronic tag method for packing and device thereof that the present invention is applied to the metal environment have following advantage and beneficial effect:
1, can reduce electromagnetic interference (EMI) that the metal environment produces for the RFID electronic tag and crosstalking of reflecting to form significantly, guarantee stable, gather label data exactly, avoid data to produce losing or go here and there and read.
2, control effectively and reduce the secondary reflection that metal part surface produces label antenna, reduce the retroaction that electromagnetic eddy plays in antenna field.
3, can improve the physical reliability that the RFID electronic tag is installed, prevent to damage, prolong its serviceable life because of external force produces.
Description of drawings
Combine accompanying drawing that the present invention is done further explanation at present.
Fig. 1 is the synoptic diagram before the said RFID electronic tag encapsulation;
Fig. 2 is that the RFID electronic tag is packaged in the synoptic diagram in the encapsulating film;
Fig. 3 is the synoptic diagram of RFID electronic tag implanted metal pipe;
Fig. 4 is the synoptic diagram that the RFID electronic label packaging device is installed on I-beam wheel.
Fig. 5 is the read test data plot that the RFID data read-write system carries out.
Extremely shown in Figure 4 like Fig. 1, RFID electronic tag 1, encapsulating film 2, metal tube 3, I-beam wheel 4, packaging system 5, substrate 10, antenna 11, chip 12, metallic coating 13.
Embodiment
At substrate 10 tops of RFID electronic tag 1, be provided with and fix up an aerial wire 11 with chip 12, be coated with electric conductivity good metal coating 13 in substrate 10 bottoms, promptly apply the copper lacquer of 2 millimeters thickness;
RFID electronic tag 1 integrally is packaged in the encapsulating film 2 of insulating material, adopts the PVC material like encapsulating film 2;
RFID electronic tag 1 after the encapsulation is implanted to metal tube 3 inside, and implantation depth is 3 millimeters, and RFID electronic tag 1 is 2 millimeters with metal tube 3 internal edges distance;
Metal tube 3 integral body are selected the peroxide iron material for use;
RFID electronic tag 1 surperficial angle after metal tube 3 peristomes and the implantation is not more than 30 °, and the emissive power of antenna 11 is not less than 30dBm.
Based on the method for packing of above-mentioned realization, the RFID electronic label packaging device that is applied to the metal environment mainly includes,
RFID electronic tag 1, antenna 11 and chip 12 that it has substrate 10 and is installed on the same side are coated with the metallic coating 13 that thickness reaches 2 millimeters copper lacquer at the opposite side of substrate 10.
Encapsulating film 2 is used for RFID electronic tag 1 integrally is packaged in wherein, and encapsulating film 2 is made up of insulating material PVC;
Metal tube 3 is used for the RFID electronic tag after the encapsulation 1 is implanted wherein, and implantation depth is no more than 5 millimeters, and RFID electronic tag 1 is not less than 2 millimeters with metal tube 3 internal edges distance, and metal tube 3 integral body are selected the peroxide iron material for use.
RFID electronic tag 1 surperficial angle after metal tube 3 peristomes and the implantation is not more than 30 °, and the emissive power of antenna 11 is not less than 30dBm.
As shown in Figure 4; With above-mentioned RFID electronic label packaging device 5; Be applied on the I-beam wheel 4 of rubber tyre production scene, packaging system 5 is positioned at the centre position of I-beam wheel 4, is embedded into the 3mm degree of depth in the I-beam wheel 4 carbon steel square tubes; Opening size is the 100*20 millimeter, and packaging system 5 is of a size of the 96*16 millimeter.
The label front surface vertically outwards and with the formation of RFID reading antenna cooperates preferably.
Each I-beam wheel 4 is equipped with 6 labels that identification number is identical, 3 labels of each side and be distributed in I-beam wheel 4 surfaces evenly, symmetrically.
The use present embodiment method for packing shown in the following table and for example, the test comparison of carrying out based on the RFID data read-write system.
This test comparison is used the passive ultrahigh frequency electronic tag of RFID, and frequency of operation is 915MHz.
Reader is fixed RFID ultrahigh frequency reader, split type stand-alone antenna, and antenna gain is 5.8dbi.
The data carrier agreement is IS0-18000-6C; The distance of reader antenna and label is about 1 meter, and only label is carried out read operation, do not carry out write operation.
Claims (10)
1. RFID electronic tag method for packing that is applied to the metal environment is characterized in that:
RFID electronic tag (1) integrally is packaged in the insulating material encapsulating film (2),
RFID electronic tag (1) after the encapsulation is implanted to metal tube (3) inside, and implantation depth is no more than 5 millimeters, and RFID electronic tag (1) is not less than 2 millimeters with metal tube (3) internal edge distance.
2. the RFID electronic tag method for packing that is applied to the metal environment according to claim 1 is characterized in that: implant metal tube (3) peristome of RFID electronic tag (1), be not more than 30 ° with the surperficial angle of RFID electronic tag (1) after implanting.
3. the RFID electronic tag method for packing that is applied to the metal environment according to claim 1 and 2 is characterized in that: metal tube (3) integral body is selected the peroxide iron material for use.
4. the RFID electronic tag method for packing that is applied to the metal environment according to claim 1 and 2; It is characterized in that: RFID electronic tag (1) is packaged in encapsulating film (2) before, is coated with electric conductivity good metal coating (13) in the bottom of substrate (10), a side relative with chip (12) with antenna (11).
5. the RFID electronic tag method for packing that is applied to the metal environment according to claim 4 is characterized in that: described metallic coating (13) is selected the copper lacquer for use, and the thickness of copper lacquer is between 2 to 3 millimeters.
6. RFID electronic label packaging device that is applied to the metal environment is characterized in that: includes,
RFID electronic tag (1), antenna (11) and chip (12) that it has a substrate (10) and is installed on substrate (10) one sides;
Encapsulating film (2) is used for RFID electronic tag (1) integrally is packaged in wherein, and encapsulating film (2) is made up of insulating material;
Metal tube (3) is used for the RFID electronic tag (1) after the encapsulation is implanted wherein, and implantation depth is no more than 5 millimeters, and RFID electronic tag (1) is not less than 2 millimeters with metal tube (3) internal edge distance.
7. the RFID electronic label packaging device that is applied to the metal environment according to claim 6 is characterized in that: implant metal tube (3) peristome of RFID electronic tag (1), be not more than 30 ° with the surperficial angle of RFID electronic tag (1) after implanting.
8. according to claim 6 or the 7 described RFID electronic label packaging devices that are applied to the metal environment, it is characterized in that: metal tube (3) integral body is selected the peroxide iron material for use.
9. according to claim 6 or the 7 described RFID electronic label packaging devices that are applied to the metal environment, it is characterized in that: be coated with electric conductivity good metal coating (13) in the bottom of substrate (10), a side relative with chip (12) with antenna (11).
10. the RFID electronic label packaging device that is applied to the metal environment according to claim 9 is characterized in that: described metallic coating (13) is selected the copper lacquer for use, and the thickness of copper lacquer is between 2 to 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105763970A CN102479337A (en) | 2010-11-25 | 2010-11-25 | RFID (Radio frequency identification) electronic tag encapsulation method and device applied to metal environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105763970A CN102479337A (en) | 2010-11-25 | 2010-11-25 | RFID (Radio frequency identification) electronic tag encapsulation method and device applied to metal environment |
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| CN102479337A true CN102479337A (en) | 2012-05-30 |
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| CN2010105763970A Pending CN102479337A (en) | 2010-11-25 | 2010-11-25 | RFID (Radio frequency identification) electronic tag encapsulation method and device applied to metal environment |
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Cited By (3)
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| CN107203795A (en) * | 2017-05-23 | 2017-09-26 | 中国电力科学研究院 | A kind of method and system that distribution transformer will be implanted into for the electronic tag of identification |
| CN110580514A (en) * | 2018-06-07 | 2019-12-17 | 盖米工业设备有限两合公司 | Electronic tag for a metallic component of a system |
| CN111222608A (en) * | 2020-03-30 | 2020-06-02 | 威海市力钰实业有限公司 | Method for installing RFID anti-metal electronic tag of wrench tool |
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| CN1959565A (en) * | 2005-11-03 | 2007-05-09 | 大连英和实业有限公司 | Metallic wristwatch with value added IC function |
| US20070171076A1 (en) * | 2005-08-29 | 2007-07-26 | Visible Assets, Inc. | Low-frequency radio tag encapsulating system |
| CN201607758U (en) * | 2010-04-12 | 2010-10-13 | 王树敏 | UHF range high-performance anti-metal electronic tag |
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| US20070171076A1 (en) * | 2005-08-29 | 2007-07-26 | Visible Assets, Inc. | Low-frequency radio tag encapsulating system |
| CN1959565A (en) * | 2005-11-03 | 2007-05-09 | 大连英和实业有限公司 | Metallic wristwatch with value added IC function |
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Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203795A (en) * | 2017-05-23 | 2017-09-26 | 中国电力科学研究院 | A kind of method and system that distribution transformer will be implanted into for the electronic tag of identification |
| CN107203795B (en) * | 2017-05-23 | 2021-02-05 | 中国电力科学研究院 | Method and system for implanting electronic tag for identity recognition into distribution network transformer |
| CN110580514A (en) * | 2018-06-07 | 2019-12-17 | 盖米工业设备有限两合公司 | Electronic tag for a metallic component of a system |
| CN111222608A (en) * | 2020-03-30 | 2020-06-02 | 威海市力钰实业有限公司 | Method for installing RFID anti-metal electronic tag of wrench tool |
| CN111222608B (en) * | 2020-03-30 | 2022-12-27 | 威海市力钰实业有限公司 | Method for installing RFID anti-metal electronic tag of wrench tool |
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Application publication date: 20120530 |