CN114580596A - Certificate based on RFID - Google Patents
Certificate based on RFID Download PDFInfo
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- CN114580596A CN114580596A CN202210224527.7A CN202210224527A CN114580596A CN 114580596 A CN114580596 A CN 114580596A CN 202210224527 A CN202210224527 A CN 202210224527A CN 114580596 A CN114580596 A CN 114580596A
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- frequency antenna
- rfid chip
- rfid
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- 238000005192 partition Methods 0.000 claims abstract description 48
- 230000004888 barrier function Effects 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims description 20
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000003292 glue Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005404 monopole Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07745—Mounting details of integrated circuit chips
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07775—Antenna details the antenna being on-chip
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
Abstract
The application relates to the field of certificate structures with electronic information storage functions, and particularly discloses an RFID (radio frequency identification device) -based certificate, which comprises an RFID chip, a high-frequency antenna assembly arranged on one side of the RFID chip, and an ultrahigh-frequency antenna assembly arranged on the other side of the RFID chip, wherein an insulating partition plate is arranged between the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly; be equipped with the installing port on the insulating barrier, be equipped with the location flange that a plurality of rings were arranged on the inner wall of installing port, the RFID chip is located the installing port, and the tip of location flange is contradicted with global of RFID chip. When the RFID chip is installed, the RFID chip is directly pressed into the installation port, the end parts of the positioning flanges arranged in the annular direction on the inner wall of the installation port are abutted to the peripheral surface of the RFID chip, the RFID chip can be preliminarily clamped and fixed, the installed RFID chip is pre-positioned, and the installation position deviation of the RFID chip caused by other components in the assembling process is prevented.
Description
Technical Field
The application relates to the field of certificate structures with electronic information storage functions, in particular to a certificate based on RFID.
Background
RFID is radio frequency identification, also known as electronic tags, radio frequency identification, and at present, the production certificate of some products can adopt RFID anti-fake technology, and RFID anti-fake technology is embedding the microchip in the product certificate, utilizes intelligent electronic tags to sign the article that various product certificates correspond, and RFID label and read write line pass through radio frequency signal exchange information, and for bar code scanning technique, RFID label identification has the advantage that information reading distance is far away, and a plurality of RFID labels can read in step.
The Chinese patent with publication number CN107679612A discloses an anti-dismantling dual-frequency RFID tag and a manufacturing method thereof, the anti-dismantling dual-frequency RFID tag comprises a UHF tag antenna and an NFC coil antenna which are connected to form a dual-frequency RFID tag structure, the UHF tag antenna comprises a T-shaped matching loop structure and a monopole antenna, and the T-shaped matching loop structure is used for realizing conjugate matching with a radio frequency port of a chip; monopole antenna, through the wavelength that single antenna buckling deformation reaches lambda/4, monopole antenna is connected with T type matching loop structure, and monopole antenna is connected with NFC coil antenna through T type matching loop structure, and NFC coil antenna is two-sided helical antenna, forms HF label antenna, and coil turn and line width through changing NFC coil antenna are so that adjust the inductance of NFC coil antenna, realize forming series impedance with chip radio frequency port and match.
Through the understanding of the related art, the inventor believes that the positional accuracy of the RFID chip placed in the RFID tag is always neglected, and the RFID chip is easily displaced during the assembly of the RFID tag, thereby affecting the information recognition effect of the RFID tag.
Disclosure of Invention
In order to improve the problem that the accuracy is poor in the arrangement of an RFID chip in an RFID label, the application provides a certificate based on RFID.
The RFID-based certificate provided by the application adopts the following technical scheme:
an RFID-based certificate comprises an RFID chip, a high-frequency antenna assembly arranged on one side of the RFID chip, and an ultrahigh-frequency antenna assembly arranged on the other side of the RFID chip, wherein an insulating partition plate is arranged between the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly;
be equipped with the installing port on the insulating barrier, be equipped with the location flange that a plurality of rings were arranged on the inner wall of installing port, the RFID chip is located the installing port, and the tip of location flange is contradicted with global of RFID chip.
By adopting the technical scheme, the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly are separated from each other by the insulating partition plate, so that the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly are prevented from being contacted to cause disorder of radio-frequency signals;
in addition, the actual mounting position of the RFID chip is selected as the mounting opening on the insulating partition plate, when the RFID chip is mounted, the RFID chip is directly pressed into the mounting opening, and after the end parts of the plurality of circumferentially arranged positioning flanges on the inner wall of the mounting opening are abutted to the peripheral surface of the RFID chip, the RFID chip can be preliminarily clamped and fixed, so that the mounted RFID chip is pre-positioned, and the mounting position deviation of the RFID chip caused by other components in the assembling process is prevented.
Optionally, the high-frequency antenna assembly includes a high-frequency antenna mounting plate and a high-frequency antenna laid on the surface of the high-frequency antenna mounting plate, and one end of the high-frequency antenna is connected to the RFID chip.
By adopting the technical scheme, the high-frequency antenna is fixedly arranged on the surface of the high-frequency antenna mounting plate and close to one side of the RFID chip, after the end part of the high-frequency antenna is connected with the RFID chip, the radio-frequency signal emitted by the high-frequency antenna is subjected to signal exchange with the reader-writer, and after the signal exchange, the reader-writer can read the product related information stored in the RFID chip.
Optionally, the ultrahigh frequency antenna assembly includes an ultrahigh frequency antenna mounting plate and an ultrahigh frequency antenna laid on the surface of the ultrahigh frequency antenna mounting plate, and one end of the ultrahigh frequency antenna is connected to the RFID chip.
By adopting the technical scheme, the ultrahigh frequency antenna is fixedly arranged on the surface of the ultrahigh frequency antenna mounting plate and close to one side of the RFID chip, after the end part of the ultrahigh frequency antenna is connected with the RFID chip, the radio frequency signal emitted by the ultrahigh frequency antenna is subjected to signal exchange with the reader-writer, and after the signal exchange, the reader-writer can read the product related information stored in the RFID chip;
the ultrahigh frequency antenna and the high frequency antenna are opposite to each other and are located on the outer side of the RFID chip, the ultrahigh frequency antenna and the high frequency antenna are separated from each other through the insulating partition plate, the insulating partition plate prevents the ultrahigh frequency antenna and the high frequency antenna from being in contact with each other, and disorder of radio frequency signals of the ultrahigh frequency antenna and the high frequency antenna is avoided.
Optionally, the diameter of the mounting opening is larger than the diameter of the RFID chip, the positioning flanges and the insulating partition plate are integrally formed, the plurality of positioning flanges are arranged on the inner wall of the mounting opening in an upper layer and a lower layer, and the positioning flanges are preferably made of rubber.
Through adopting the above technical scheme, the bore of installing port is greater than the diameter of RFID chip, mainly make things convenient for the RFID chip to install in the installing port, positioning flange and insulating barrier integrated into one piece back, can guarantee the installation firmness of positioning flange on insulating barrier, positioning flange's material is rubber, positioning flange's tip and installing port in the global back of supporting of RFID chip, positioning flange takes place elastic deformation, positioning flange after the deformation possesses the elasticity that resets, the positioning flange of RFID chip both sides mutual opposition has played the fixed effect of centre gripping to the RFID chip, the elastic force that the RFID chip after the preliminary fixation received is moderate, the RFID chip after the preliminary fixation both is difficult for droing, also can not hindered by the clamp.
In addition, a plurality of positioning flanges can be arranged into an upper layer and a lower layer on the inner wall of the mounting opening, and the RFID chip is clamped by the positioning flanges on the upper layer and the lower layer more stably and firmly.
Optionally, a first base plate is arranged on the high-frequency antenna mounting plate, a plurality of first elastic supporting legs are arranged on the side face of the first base plate, and the first elastic supporting legs face the surface of one side of the RFID chip.
And a second base plate is arranged on the ultrahigh frequency antenna mounting plate, a plurality of second elastic supporting legs are arranged on the side surface of the second base plate, and the second elastic supporting legs face the surface of the other side of the RFID chip.
Optionally, the high-frequency antenna mounting plate and the ultrahigh-frequency antenna mounting plate are located on two sides of the RFID chip respectively, and the first elastic supporting legs and the second elastic supporting legs abut against two sides of the RFID chip respectively.
Through adopting above-mentioned technical scheme, the RFID chip is after the preliminary fixing in the installing port of insulating barrier, then install hyperfrequency antenna and high frequency antenna in insulating barrier's both sides, when hyperfrequency antenna and high frequency antenna are installed, settle high frequency antenna mounting panel and hyperfrequency antenna mounting panel in the upper and lower both sides of RFID chip, at this moment, a plurality of first elastic support legs of first backing plate side support the bottom of RFID chip, a plurality of second elastic support legs of second backing plate side support the top of RFID chip, first elastic support leg and second elastic support leg have played the fixed effect of centre gripping from top to bottom to the RFID chip of preliminary fixing in the installing port, the installation firmness and the precision of RFID chip have further been improved, prevent that the RFID chip from shifting in the installation.
Optionally, one side of the RFID chip is provided with a first positioning hole, the other side of the RFID chip is provided with a second positioning hole, a side of the first base plate is provided with a first positioning post corresponding to the first positioning hole, and a side of the second base plate is provided with a second positioning post corresponding to the second positioning hole.
The length of the first positioning column is greater than that of the first elastic supporting leg, and the length of the second positioning column is greater than that of the second elastic supporting leg.
Through adopting above-mentioned technical scheme, when high frequency antenna mounting panel and hyperfrequency antenna mounting panel settle the upper and lower both sides at the RFID chip, before a plurality of first elastic support legs support the bottom of RFID chip, first reference column on the first backing plate inserts in the first locating hole of RFID chip bottom, before a plurality of second elastic support legs support the top of RFID chip, the second reference column on the second backing plate inserts in the second locating hole at RFID chip top, through the cooperation of first locating hole and first reference column, the cooperation of second locating hole and second reference column, prevent when pressing high frequency antenna mounting panel and hyperfrequency antenna mounting panel relatively, lead to the RFID chip to shift, the installation firmness and the precision of RFID chip have further been improved.
Optionally, the certificate further comprises an elastic buffer plate, the elastic buffer plate is preferably made of rubber, a fixing opening is formed in the elastic buffer plate, and the ultrahigh-frequency antenna mounting plate, the insulating partition plate and the high-frequency antenna mounting plate which are overlapped with each other are all mounted in the fixing opening;
first packaging board and first waterproof board have been laid in proper order to one side of elastic buffer board, and second packaging board and second waterproof board have been laid in proper order to the opposite side of elastic buffer board, and the first waterproof board, first packaging board, elastic buffer board, second packaging board and the encapsulation of second waterproof board superpose in proper order are in the casing, and the casing includes the last casing and the lower casing of mutual lock.
By adopting the technical scheme, when the certificate is assembled, firstly, the RFID chip is placed in the mounting hole of the insulating partition plate, a plurality of positioning flanges which are annularly arranged on the inner wall of the mounting hole play a role in clamping and pre-fixing the RFID chip, after the RFID chip is placed, the ultrahigh frequency antenna mounting plate and the high frequency antenna mounting plate are laid on the upper side and the lower side of the insulating partition plate, meanwhile, the end part of the ultrahigh frequency antenna is welded with the RFID chip, the end part of the high frequency antenna is welded with the RFID chip, after the ultrahigh frequency antenna mounting plate and the high frequency antenna mounting plate are laid, the first elastic supporting leg and the second elastic supporting leg play a role in clamping and fixing the RFID chip which is pre-fixed in the mounting hole from top to bottom, at the moment, the overlapped ultrahigh frequency antenna mounting plate, insulating partition plate and high frequency antenna mounting plate are integrally pressed into the fixing hole of the elastic buffer plate, and during actual design, the sizes and specifications of the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate are consistent, the caliber of the fixing port is slightly smaller than the diameter of the insulating partition plate, at the moment, the superposed ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate are integrally pressed into the fixing port, the fixing port expands in the radial direction, the reset fixing port plays a role in binding and fixing the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate inside the fixing port, meanwhile, the elastic buffer plate is made of rubber, the elastic buffer plate plays a role in fixing and buffering at the outer sides of the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate, and the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate are prevented from being damaged due to collision when vibrating;
further, after the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate are mounted, a first packaging plate and a first waterproof plate are sequentially laid on one side of the elastic buffer plate, a second packaging plate and a second waterproof plate are sequentially laid on the other side of the elastic buffer plate, the joint of the first packaging plate, the first waterproof plate and the elastic buffer plate is fixed by glue, the joint of the second packaging plate, the second waterproof plate and the elastic buffer plate is also fixed by glue, the whole structure is packaged into a whole and then is mounted in the shell, the first packaging plate, the first waterproof plate, the second packaging plate and the second waterproof plate of the structure play a waterproof effect on the outer side of the elastic buffer plate and also play a sealing protection effect, the assembled RFID certificate has high overall strength and good sealing performance and is suitable for high frequency and ultrahigh frequency signal exchange with a reader-writer, and the signal exchange is stable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. an insulating partition plate is arranged between the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly, an installation opening is formed in the insulating partition plate, a plurality of positioning flanges which are annularly arranged are arranged on the inner wall of the installation opening, after the end parts of the positioning flanges are abutted against the peripheral surface of the RFID chip, the RFID chip in the installation opening can be preliminarily clamped and fixed, the installed RFID chip is subjected to pre-positioning, the installation position deviation of the RFID chip caused by other components in the assembling process is prevented, and the installation quality of the RFID chip is ensured;
2. when the high-frequency antenna mounting plate and the ultrahigh-frequency antenna mounting plate are arranged on the upper side and the lower side of the RFID chip, the bottom of the RFID chip is supported by the plurality of first elastic supporting legs on the side surface of the first base plate, the top of the RFID chip is supported by the plurality of second elastic supporting legs on the side surface of the second base plate, and the RFID chip pre-fixed in the mounting port is clamped and fixed up and down by the first elastic supporting legs and the second elastic supporting legs, so that the mounting firmness and precision of the RFID chip are further improved, and the RFID chip is prevented from shifting in the mounting process;
3. the elastic buffer plate of the structure plays a role in fixing and buffering at the outer sides of the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate, and prevents the ultrahigh frequency antenna mounting plate, the insulating partition plate and the high frequency antenna mounting plate from being collided and damaged when vibrating;
4. the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly are mutually separated by the insulating partition plate, the high-frequency antenna assembly and the ultrahigh-frequency antenna assembly are prevented from being contacted, the radio-frequency signals are prevented from being disordered, and the RFID certificate is suitable for performing high-frequency and ultrahigh-frequency signal exchange with a reader-writer and is stable in signal exchange.
Drawings
FIG. 1 is a schematic cross-sectional view of example 1 of the present application;
FIG. 2 is an exploded view of example 1 of the present application;
FIG. 3 is a schematic view of a matching structure of a first pad, a second pad and an RFID chip in embodiment 1 of the present application;
fig. 4 is a schematic view of another perspective matching structure of the first pad, the second pad and the RFID chip in embodiment 1 of the present application;
FIG. 5 is a schematic cross-sectional view of example 2 of the present application;
FIG. 6 is an exploded view of example 2 of the present application;
fig. 7 is a schematic view of a matching structure of a first pad, a second pad and an RFID chip in embodiment 2 of the present application;
fig. 8 is a schematic view of another perspective matching structure of the first pad, the second pad and the RFID chip in embodiment 2 of the present application.
Reference numerals: 1. an RFID chip; 11. a first positioning hole; 12. a second positioning hole; 2. a high frequency antenna assembly; 21. a high-frequency antenna mounting plate; 22. a high-frequency antenna; 23. a first backing plate; 24. a first elastic supporting leg; 25. a first positioning post; 3. an ultrahigh frequency antenna component; 31. an ultrahigh frequency antenna mounting plate; 32. an ultra-high frequency antenna; 33. a second backing plate; 34. a second elastic supporting leg; 35. a second positioning column; 4. an insulating spacer; 41. an installation port; 42. a positioning flange; 5. an elastic buffer plate; 51. a fixed port; 6. a first package board; 7. a first waterproof sheet; 8. a second package board; 9. a second waterproof sheet; 10. a housing; 101. an upper housing; 102. a lower housing.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
Example 1:
referring to fig. 1 and 2, the embodiment discloses an RFID-based certificate, which includes an RFID chip 1, a high-frequency antenna assembly 2 disposed on one side of the RFID chip 1, an ultrahigh-frequency antenna assembly 3 disposed on the other side of the RFID chip 1, and an insulating partition plate 4 disposed between the high-frequency antenna assembly 2 and the ultrahigh-frequency antenna assembly 3;
the high-frequency antenna assembly 2 includes a high-frequency antenna mounting board 21 and a high-frequency antenna 22 laid on the surface of the high-frequency antenna mounting board 21, and one end of the high-frequency antenna 22 is connected to the RFID chip 1.
The high-frequency antenna 22 is fixedly arranged on the surface of the high-frequency antenna mounting plate 21 and close to one side of the RFID chip 1, after the end part of the high-frequency antenna 22 is connected with the RFID chip 1, a radio-frequency signal emitted by the high-frequency antenna 22 is subjected to signal exchange with a reader-writer, and after the signal exchange, the reader-writer can read product related information stored in the RFID chip.
The ultrahigh frequency antenna assembly 3 comprises an ultrahigh frequency antenna mounting plate 31 and an ultrahigh frequency antenna 32 paved on the surface of the ultrahigh frequency antenna mounting plate 31, wherein one end of the ultrahigh frequency antenna 32 is connected with the RFID chip 1.
The ultrahigh frequency antenna 32 is fixedly arranged on the surface of the ultrahigh frequency antenna mounting plate 31 and close to one side of the RFID chip 1, after the end part of the ultrahigh frequency antenna 32 is connected with the RFID chip 1, a radio frequency signal emitted by the ultrahigh frequency antenna 32 is subjected to signal exchange with a reader-writer, after the signal exchange, the reader-writer can read product related information stored in the RFID chip 1, and compared with the high frequency antenna 22, the ultrahigh frequency antenna 32 emits a far radio frequency signal, the ultrahigh frequency reading and writing distance is long, the reading and writing speed is high, and the high frequency antenna 22 has a strong signal in a close distance and is suitable for close distance reading and writing.
After the high-frequency antenna mounting plate 21 and the ultrahigh-frequency antenna mounting plate 31 are laid, the ultrahigh-frequency antenna 32 and the high-frequency antenna 22 are opposite to each other and are located on the outer side of the RFID chip 1, the ultrahigh-frequency antenna 32 and the high-frequency antenna 22 are separated from each other through the insulating partition plate 4, the insulating partition plate 4 prevents the ultrahigh-frequency antenna 32 and the high-frequency antenna 22 from contacting each other, and disorder of radio-frequency signals of the ultrahigh-frequency antenna 32 and the high-frequency antenna 22 is avoided.
In addition, the insulating partition plate 4 is provided with an installation opening 41, the inner wall of the installation opening 41 is provided with a plurality of positioning flanges 42 which are annularly arranged, the RFID chip 1 is positioned in the installation opening 41, and the end parts of the positioning flanges 42 are abutted against the circumferential surface of the RFID chip 1.
In addition, the actual installation position of the RFID chip is selected as the installation opening 41 on the insulating partition plate 4, when the RFID chip 1 is installed, the RFID chip 1 is directly pressed into the installation opening 41, and after the end parts of the plurality of circumferentially arranged positioning flanges 42 on the inner wall of the installation opening 41 are abutted against the peripheral surface of the RFID chip 1, the RFID chip 1 can be preliminarily clamped and fixed, the installed RFID chip 1 is subjected to pre-positioning, and the installation position deviation of the RFID chip 1 caused by other components in the assembling process is prevented.
In the present embodiment, the diameter of the mounting opening 41 is larger than the diameter of the RFID chip 1, the positioning flanges 42 are integrally formed with the insulating spacer 4, the plurality of positioning flanges 42 are provided in two layers on the inner wall of the mounting opening 41, and the material of the positioning flanges 42 is preferably rubber.
The bore of installing port 41 is greater than the diameter of RFID chip 1, mainly make things convenient for RFID chip 1 to install in installing port 41, location flange 42 and 4 integrated into one piece backs of insulating barrier, can guarantee the installation firmness of location flange 42 on insulating barrier 4, in this embodiment, the material of location flange 42 can be rubber, the tip of location flange 42 with install the port 41 in RFID chip 1 global after supporting, location flange 42 takes place elastic deformation, location flange 42 after the deformation possesses the elasticity that resets, the location flange 42 of 1 both sides mutual opposition of RFID chip has played the fixed effect of centre gripping to RFID chip 1, the elastic force that RFID chip 1 after the preliminary fixation received is moderate, RFID chip 1 after the preliminary fixation both sides are difficult for droing, also can not hindered by the clamp.
Referring to fig. 3 and 4, in order to further improve the firmness and positioning accuracy of the RFID chip 1, a first pad 23 is disposed on the high-frequency antenna mounting plate 21, a plurality of first elastic supporting legs 24 are disposed on a side surface of the first pad 23, and the first elastic supporting legs 24 face a surface of one side of the RFID chip 1.
The ultrahigh frequency antenna mounting plate 31 is provided with a second base plate 33, the side surface of the second base plate 33 is provided with a plurality of second elastic supporting legs 34, and the second elastic supporting legs 34 face the surface of the other side of the RFID chip 1.
After the RFID chip 1 is pre-fixed in the mounting opening 41 of the insulating partition plate 4, then the ultrahigh frequency antenna 32 and the high frequency antenna 22 are mounted on two sides of the insulating partition plate 4, when the ultrahigh frequency antenna 32 and the high frequency antenna 22 are mounted, the high frequency antenna mounting plate 21 and the ultrahigh frequency antenna mounting plate 31 are arranged on the upper side and the lower side of the RFID chip 1, at the moment, a plurality of first elastic supporting legs 24 on the side surface of the first base plate 23 support the bottom of the RFID chip 1, a plurality of second elastic supporting legs 34 on the side surface of the second base plate 33 support the top of the RFID chip 1, the first elastic supporting legs 24 and the second elastic supporting legs 34 play a role in clamping and fixing the RFID chip 1 pre-fixed in the mounting opening 41, the mounting firmness and the precision of the RFID chip 1 are further improved, and the displacement of the RFID chip 1 in the mounting process is prevented.
As a further improvement of this embodiment, this RFID certificate still includes elastic buffer board 5, the preferred rubber of material of elastic buffer board 5, be equipped with fixed mouthful 51 on the elastic buffer board 5, first wrapper sheet 6 and first waterproof board 7 have been laid in proper order to one side of elastic buffer board 5, second wrapper sheet 8 and second waterproof board 9 have been laid in proper order to the opposite side of elastic buffer board 5, the first waterproof board 7 of superpose in proper order, first wrapper sheet 6, elastic buffer board 5, second wrapper sheet 8 and second waterproof board 9 encapsulate in casing 10, casing 10 includes last casing 101 and lower casing 102 of mutual lock, after last casing 101 and the mutual lock of lower casing 102, the glue encapsulation is adopted in its splice joint's position.
The present application is described in detail below with reference to specific assembly processes, specifically as follows:
when the certificate is assembled, firstly, the RFID chip 1 is placed in the installation opening 41 of the insulating partition plate 4, the plurality of positioning flanges 42 which are annularly arranged on the inner wall of the installation opening 41 play a role of clamping and pre-fixing the RFID chip 1, after the RFID chip 1 is arranged, the ultrahigh frequency antenna mounting plate 31 and the high frequency antenna mounting plate 21 are arranged on the upper side and the lower side of the insulating partition plate 4, meanwhile, the end part of the ultrahigh frequency antenna 32 is welded with the RFID chip 1, the end part of the high frequency antenna 22 is welded with the RFID chip 1, after the ultrahigh frequency antenna mounting plate 31 and the high frequency antenna mounting plate 21 are arranged, the first elastic supporting leg 24 and the second elastic supporting leg 34 play a role of clamping and fixing the RFID chip 1 which is pre-fixed in the installation opening 41 up and down, at the moment, the overlapped ultrahigh frequency antenna mounting plate 31, insulating partition plate 4 and high frequency antenna mounting plate 21 are integrally pressed into the fixing opening 51 of the elastic buffer plate 5, during actual design, the sizes and specifications of the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 2 are consistent, the caliber of the fixing port 51 is slightly smaller than the diameter of the insulating partition plate 4, at this time, after the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21 which are well overlapped are integrally pressed into the fixing port 51, the fixed port 51 is radially expanded, the deformed fixed port 51 plays a role in binding and fixing the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21 inside, meanwhile, the elastic buffer plate 5 is made of rubber, and the elastic buffer plate 5 plays a role in fixing and buffering the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21, so that the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21 are prevented from being damaged by collision when vibrating;
further, after the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21 are mounted, the first packaging plate 6 and the first waterproof plate 7 are sequentially laid on one side of the elastic buffer plate 5, the second packaging plate 8 and the second waterproof plate 9 are sequentially laid on the other side of the elastic buffer plate 5, the joint of the first packaging plate 6 with the first waterproof plate 7 and the elastic buffer plate 5 is fixed by glue, the joint of the second packaging plate 8 with the second waterproof plate 9 and the elastic buffer plate 5 is also fixed by glue, the whole structure is packaged into a whole and then mounted in the shell 10, the first packaging plate 6, the first waterproof plate 7, the second packaging plate 8 and the second waterproof plate 9 of the structure play a role in waterproofing outside the elastic buffer plate 5, and play a role in sealing protection, and the whole strength of the assembled RFID certificate is high, the sealing performance is good, the high-frequency and ultrahigh-frequency signal exchange with a reader-writer is suitable, and the signal exchange is stable.
Example 2
Referring to fig. 5, 6, 7, and 8, the present embodiment is different from embodiment 1 in that a first positioning hole 11 is formed at one side of the RFID chip 1, a second positioning hole 12 is formed at the other side of the RFID chip, a first positioning post 25 corresponding to the first positioning hole 11 is formed at a side surface of the first pad 23, and a second positioning post 35 corresponding to the second positioning hole 12 is formed at a side surface of the second pad 33.
The length of the first positioning column 25 is greater than that of the first elastic supporting leg 24, and the length of the second positioning column 35 is greater than that of the second elastic supporting leg 34.
When the high-frequency antenna mounting plate 21 and the ultrahigh-frequency antenna mounting plate 31 are arranged on the upper side and the lower side of the RFID chip 1, before the bottom of the RFID chip 1 is supported by the plurality of first elastic supporting legs 24, the first positioning column 25 on the first backing plate 23 is inserted into the first positioning hole 11 at the bottom of the RFID chip 1, before the top of the RFID chip 1 is supported by the plurality of second elastic supporting legs 34, the second positioning column 35 on the second backing plate 33 is inserted into the second positioning hole 12 at the top of the RFID chip 1, through the cooperation of the first positioning hole 11 and the first positioning column 25, the cooperation of the second positioning hole 12 and the second positioning column 35 prevents the displacement of the RFID chip 1 caused when the high-frequency antenna mounting plate 21 and the ultrahigh-frequency antenna mounting plate 31 are pressed relatively, and further improves the installation firmness and precision of the RFID chip 1.
To sum up, an insulating partition plate 4 is arranged between the high-frequency antenna assembly 2 and the ultrahigh-frequency antenna assembly 3, an installation opening 41 is formed in the insulating partition plate 4, a plurality of positioning flanges 42 which are annularly arranged are arranged on the inner wall of the installation opening 41, and after the end parts of the positioning flanges 42 are abutted against the peripheral surface of the RFID chip 1, the RFID chip 1 in the installation opening 41 can be preliminarily clamped and fixed, so that the installed RFID chip 1 can be subjected to pre-positioning, the installation position deviation of the RFID chip 1 caused by other components in the assembling process is prevented, and the installation quality of the RFID chip is ensured;
when the high-frequency antenna mounting plate 21 and the ultrahigh-frequency antenna mounting plate 31 are arranged on the upper side and the lower side of the RFID chip 1, the plurality of first elastic supporting legs 24 on the side of the first backing plate 23 support the bottom of the RFID chip 1, the plurality of second elastic supporting legs 34 on the side of the second backing plate 33 support the top of the RFID chip 1, and the first elastic supporting legs 24 and the second elastic supporting legs 34 play a role in vertically clamping and fixing the RFID chip 1 pre-fixed in the mounting opening 41, so that the mounting firmness and precision of the RFID chip 1 are further improved, and the RFID chip 1 is prevented from shifting in the mounting process;
the elastic buffer plate 5 of the structure has the fixing and buffering functions on the outer sides of the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21, so that the ultrahigh frequency antenna mounting plate 31, the insulating partition plate 4 and the high frequency antenna mounting plate 21 are prevented from being damaged by collision when vibrating;
the high-frequency antenna assembly 2 and the ultrahigh-frequency antenna assembly 3 are mutually separated by the insulating partition plate 4, the high-frequency antenna assembly 2 and the ultrahigh-frequency antenna assembly 3 are prevented from being contacted, radio frequency signals are prevented from being disordered, and the RFID certificate is suitable for being subjected to high-frequency and ultrahigh-frequency signal exchange with a reader-writer and is stable in signal exchange.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An RFID-based certificate comprising an RFID chip (1), a high frequency antenna assembly (2) arranged on one side of the RFID chip (1), a uhf antenna assembly (3) arranged on the other side of the RFID chip (1), characterized in that: an insulating partition plate (4) is arranged between the high-frequency antenna assembly (2) and the ultrahigh-frequency antenna assembly (3);
be equipped with installing port (41) on insulating barrier (4), be equipped with location flange (42) that a plurality of rings were arranged on the inner wall of installing port (41), RFID chip (1) is located in installing port (41), the tip of location flange (42) with the global conflict of RFID chip (1).
2. An RFID-based certificate as claimed in claim 1, wherein: the high-frequency antenna assembly (2) comprises a high-frequency antenna mounting plate (21) and a high-frequency antenna (22) paved on the surface of the high-frequency antenna mounting plate (21), and one end of the high-frequency antenna (22) is connected with the RFID chip (1).
3. An RFID-based certificate as claimed in claim 2, characterized in that: the ultrahigh frequency antenna assembly (3) comprises an ultrahigh frequency antenna mounting plate (31) and an ultrahigh frequency antenna (32) paved on the surface of the ultrahigh frequency antenna mounting plate (31), and one end of the ultrahigh frequency antenna (32) is connected with the RFID chip (1).
4. An RFID-based certificate according to claim 2, characterized in that: the caliber of the mounting opening (41) is larger than the diameter of the RFID chip (1), and the positioning flange (42) and the insulating partition plate (4) are integrally formed.
5. An RFID-based certificate according to claim 3, characterized in that: the RFID chip mounting structure is characterized in that a first base plate (23) is arranged on the high-frequency antenna mounting plate (21), a plurality of first elastic supporting legs (24) are arranged on the side face of the first base plate (23), and the first elastic supporting legs (24) face the surface of one side of the RFID chip (1).
6. An RFID-based certificate according to claim 5, characterized in that: be equipped with second backing plate (33) on hyperfrequency antenna mounting panel (31), the side of second backing plate (33) is equipped with a plurality of second elastic support feet (34), second elastic support feet (34) orientation the surface of RFID chip (1) opposite side.
7. An RFID-based certificate according to claim 6, characterized in that: one side of the RFID chip (1) is provided with a first positioning hole (11), the other side of the RFID chip is provided with a second positioning hole (12), the side surface of the first base plate (23) is provided with a first positioning column (25) corresponding to the first positioning hole (11), and the side surface of the second base plate (33) is provided with a second positioning column (35) corresponding to the second positioning hole (12).
8. An RFID-based certificate according to claim 6 or 7, characterized in that: the high-frequency antenna mounting plate (21) and the ultrahigh-frequency antenna mounting plate (31) are respectively located on two sides of the RFID chip (1), and the first elastic supporting leg (24) and the second elastic supporting leg (34) respectively abut against two sides of the RFID chip (1).
9. An RFID-based certificate according to claim 7, characterized in that: the length of the first positioning column (25) is greater than that of the first elastic supporting leg (24), and the length of the second positioning column (35) is greater than that of the second elastic supporting leg (34).
10. An RFID-based certificate according to claim 3, characterized in that: the ultrahigh frequency antenna mounting plate is characterized by further comprising an elastic buffer plate (5), wherein a fixing opening (51) is formed in the elastic buffer plate (5), and the ultrahigh frequency antenna mounting plate (31), the insulating partition plate (4) and the high frequency antenna mounting plate (21) which are mutually overlapped are all mounted in the fixing opening (51);
first packaging board (6) and first waterproof board (7) have been laid in proper order to one side of elastic buffer board (5), and second packaging board (8) and second waterproof board (9) have been laid in proper order to the opposite side of elastic buffer board (5), and first waterproof board (7), first packaging board (6), elastic buffer board (5), second packaging board (8) and second waterproof board (9) encapsulation of superpose in proper order are in casing (10), casing (10) are including last casing (101) and lower casing (102) of mutual lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210224527.7A CN114580596A (en) | 2022-03-07 | 2022-03-07 | Certificate based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210224527.7A CN114580596A (en) | 2022-03-07 | 2022-03-07 | Certificate based on RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114580596A true CN114580596A (en) | 2022-06-03 |
Family
ID=81778055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210224527.7A Pending CN114580596A (en) | 2022-03-07 | 2022-03-07 | Certificate based on RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114580596A (en) |
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| CN201477622U (en) * | 2009-08-21 | 2010-05-19 | 中兴通讯股份有限公司 | Passive label |
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