CN107644248A - A kind of double frequency key chain electronic tag and preparation method thereof - Google Patents
A kind of double frequency key chain electronic tag and preparation method thereof Download PDFInfo
- Publication number
- CN107644248A CN107644248A CN201710882827.3A CN201710882827A CN107644248A CN 107644248 A CN107644248 A CN 107644248A CN 201710882827 A CN201710882827 A CN 201710882827A CN 107644248 A CN107644248 A CN 107644248A
- Authority
- CN
- China
- Prior art keywords
- frequency
- key chain
- label
- low
- drain pan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention provides a kind of double frequency key chain electronic tag and preparation method thereof, it is not more than 23MM high-frequency label including the low-frequency coil of key chain housing and the diameter being packaged in key chain housing no more than 21MM, diameter, the key chain housing includes upper casing, drain pan, and low-frequency coil, high-frequency label are placed between upper casing, drain pan；The high-frequency label is by sticking double faced adhesive tape on drain pan, and for low-frequency coil by sticking double faced adhesive tape on high-frequency label, low-frequency coil is less than or equal to the 1/3 of high-frequency label with high-frequency label overlapping region；Black glue is filled with drain pan, the relative position of high-frequency label chip and low-frequency coil chip is protected, fixed by black glue.By the present invention, effectively overcome almost does not have double frequency on the market at present（Low frequency+high frequency）Key chain, even if having, also because the problem of production yield, the problem of cost is very high, there is provided a kind of double frequency key chain electronic tag and preparation method thereof there is very big market application and promotional value.
Description
Technical field
The present invention provides a kind of double frequency key chain electronic tag and preparation method thereof, solves low-frequency coil and high frequency coil
Technical barrier of the modeling in a key chain can not be sealed, belongs to electronic tag design field.
Background technology
Radio RF recognition technology（Radio Frequency Identification, RFID）It is a kind of non-contacting
Automatic identification technology, its general principle are the Space Couplings using radiofrequency signal（Inductance or electromagnetic coupled）Or the biography of radar reflection
Defeated characteristic, realize the automatic identification to being identified object.RFID system comprises at least electronic tag and reader two parts electronics
Label is the data medium of radio-frequency recognition system, and electronic tag is made up of antenna and chip.According to electronic label with power mode
Difference, active electronic label can be divided into（Active tag）, passive electronic label（Passive tag）, and semi-active electricity
Subtab（Semi-passive tag）.
Difference of the electronic tag according to frequency, can be divided into low-frequency electronic label, ultra high frequency IC tag, UHF electronic mark
Label.According to the difference of base material, coil form can be divided into（Copper cash）, etch pattern（PET base material）, hard type（FR4 base materials）, copper etching
Type（PI materials）.
RFID reader（Read write line）Radio communication is carried out by antenna and RFID electronic tags, it is possible to achieve to label
Identification and chip internal storage data reading and modification, typical reader includes module for reading and writing, control unit and antenna.
Due to coil electron-like label（Low frequency, high frequency）, using by copper cash one enclose superposition processing procedure mode, with up to
To desired physical considerations.Because bare copper wire is easily broken（High frequency coil：0.15mm, low-frequency coil:0.05mm）, particularly low-frequency coil
（125KHZ）When carrying out quadric injection mould production, due to the high temperature of injection machine（More than 150 degree）, high pressure, it is particularly easy to copper cash
Break and cause product rejection.Secondly because not fixing material between every layer of copper cash, the combination between copper cash is highly unstable,
When carrying out two-shot process, the high temperature of injection machine, high pressure, it is very easy to cause displacement of the coil in bottom plastic shell,
It is easy to cause the bad order of final products.Finally because the limitation of product size needs to enter low-frequency coil and high frequency coil
Row superposition, because high frequency directly contacts with low-frequency coil, the phenomenon that generation interferes is very easy to again, easily causes wherein one
It is individual bad, ultimately cause the bad of integral product and scrap.In summary three technical barriers, at present on the market almost without double
Frequently（Low frequency+high frequency）Key chain, even if having, also because the problem of production yield, cost is very high.
The content of the invention
A kind of the drawbacks of purpose of the present invention exists aiming at above-mentioned prior art, there is provided double frequency key chain electronic tag
And preparation method thereof.
The object of the present invention is achieved like this, a kind of double frequency key chain electronic tag, it is characterized in that：Including key chain shell
Body and low-frequency coil of the diameter less than or equal to 21MM, the diameter that are packaged in key chain housing are less than or equal to 23MM high frequency
Label, the key chain housing include upper casing, drain pan, and low-frequency coil, high-frequency label are placed between upper casing, drain pan；The high frequency
Label by sticking double faced adhesive tape on drain pan, low-frequency coil by sticking double faced adhesive tape on high-frequency label, low-frequency coil and high frequency
Label overlapping region is less than or equal to the 1/3 of high-frequency label；Black glue is filled with drain pan, is protected by black glue, fixed high frequency marking
Sign the relative position of chip and low-frequency coil chip.
The high-frequency label is made of high temperature resistant base material, and high temperature resistant base material is PI or FR4.
A kind of preparation method of double frequency key chain electronic tag, it is characterized in that：Comprise the following steps：
Step 1）, by the antenna of the module chip that SOT or QFN are encapsulated and PI materials, bound, made by way of SMT
High-frequency label is made, the frequency control of high-frequency label exists:14MHZ±0.1；
Step 2）, injection prepare the drain pan of key chain housing, then will be through step 1）Obtained high-frequency tag antenna faces drain pan,
High-frequency label sticking double faced adhesive tape is in the drain pan of key chain housing；
Step 3）, by low-frequency coil by sticking double faced adhesive tape on high-frequency label, low-frequency coil and high-frequency label overlapping region are small
In or equal to high-frequency label 1/3, and the low-frequency coil region overlapping with high-frequency label can not have short circuit phenomenon.
Step 4）, appropriate black glue is injected in the drain pan of key chain housing, black glue is dilute, it is ensured that is all distributed with drain pan
Black glue；Black glue is set to be contacted with low-frequency coil Internal and external cycle with wooden stick stirring, the height of black glue is with the height as low-frequency coil
It is advisable；
Step 5）, by inject black glue key chain housing drain pan be placed on heating platform using 80 degree temperature heating, slowly
Solidify, uniform stirring black glue is fully to discharge the air in black glue in solidification process, after black glue solidification（Surface has stomata）
The drain pan for injecting black glue is put into baking oven using 150 degree of high-temperature heatings again, black glue is baked to and is fully cured；
Step 6）, the drain pan of the key chain housing after drying is good for as the son of quadric injection mould, overall parcel is carried out, in injection
Shell so that low-frequency coil, high-frequency label are placed between upper casing, drain pan.
Step 5）In, baking oven baking temperature is less than the heat distortion temperature of key chain housing.
The high-frequency label is made of high temperature resistant base material, and high temperature resistant base material is PI or FR4.
The present invention is rational in infrastructure simply, it is easy, easy to use to manufacture, by the present invention, a kind of double frequency（High frequency+low
Frequently）Key chain electronic tag, including drain pan, low-frequency coil, high-frequency label, black glue, double faced adhesive tape, upper casing, as further changing
Enter：Need solution electronic tag interferes problem, can not allow directly contact high frequency with low frequency tags first, and due to low
Frequency marking label can only use the form of coil, so can only be improved high-frequency label, the high-frequency label base material after improvement, Ke Yixuan
Select the materials such as PET or PI or FR4.As a further improvement：Part is needed in view of low-frequency coil and high-frequency label
It is overlapping（Because the size of product is restricted）, and overlapping position is drawn according to frequency debugging, can not arbitrarily be changed.To keep away
Exempt to be subjected to displacement in last high-temperature injection, it is necessary to which the relative position of two label is fixed.As further changing
Enter：Due to needing hot setting black glue, it is necessary to do resistant to elevated temperatures assessment to the base material of electronic tag, because injection temperature is 200
Degree left and right, copper cash completely can be with, and PET cannot meet to require, so the base material of high frequency antenna, using PI materials.But PI
Welding of the antenna of material for chip requires.As a further improvement：To high frequency chip, we use SOT, or
The module chip of person QFN encapsulation, the binding of chip and PI materials, using SMT paster technique.As a further improvement：It is first
First need to fix position of the high-frequency label in drain pan, then fixed position of the low-frequency coil in drain pan, it is first preliminary with double faced adhesive tape
The position of two label is fixed, then injecting glue is carried out to shell, and ensures being uniformly distributed for black glue.As a further improvement：
The shell that protection is fixed by black glue toasts, it is necessary to be placed into baking oven, until black glue is fully cured.The color of black glue, solidification
Temperature according to the temperature characterisitic of key chain shell material therefor, it is necessary to determine.Shell can not be caused during black glue solidifies
Based on deformation.
The present invention is applicable to produce the factory of quadric injection mould class key buckle product, can be by the good of product by this invention
Rate, to more than 95%, so as to reduce production consume, improves the yield of product, reduces the cost of product from less than 30% lifting.
By the present invention, effectively overcome almost does not have double frequency on the market at present（Low frequency+high frequency）Key chain, even if
Have, also because the problem of production yield, the problem of cost is very high, there is provided a kind of double frequency key chain electronic tag and its system
Making method has very big market application and promotional value.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1 upper casing, 2 low-frequency coils, 3 high-frequency labels, 4 drain pans.
Embodiment
Below in conjunction with accompanying drawing and brief description of the drawings, the present invention is further illustrated.
A kind of double frequency key chain electronic tag, including key chain housing and the diameter that is packaged in key chain housing be less than or
Low-frequency coil 2, diameter equal to 21MM are less than or equal to 23MM high-frequency label 3, and key chain housing includes upper casing 1, drain pan 4,
Low-frequency coil 2, high-frequency label 3 are placed between upper casing 1, drain pan 4；High-frequency label 3 by sticking double faced adhesive tape on drain pan 4, low frequency
For coil 2 by sticking double faced adhesive tape on high-frequency label 3, low-frequency coil 2 is less than or equal to high frequency marking with the overlapping region of high-frequency label 3
The 1/3 of label；Black glue be filled with the drain pan 4, is protected by black glue, the fixation chip of high-frequency label 3 and the chip of low-frequency coil 2
Relative position.
When a kind of double frequency key chain electronic tag makes, comprise the following steps：
Step 1）, by the antenna of the module chip that SOT or QFN are encapsulated and PI materials, bound, made by way of SMT
It is made high-frequency label（3）, the frequency of high-frequency label, which controls, to exist:14MHZ±0.1；
Step 2）, injection prepare the drain pan 4 of key chain housing, then will be through step 1）The obtained antenna surface of high-frequency label 3 is the bottom of towards
Shell 4, high-frequency label 3 is with sticking double faced adhesive tape in the drain pan 4 of key chain housing；
Step 3）, by low-frequency coil 2 by sticking double faced adhesive tape on high-frequency label 3, low-frequency coil 2 and the overlay region of high-frequency label 3
Domain is less than or equal to the 1/3 of high-frequency label, and the low-frequency coil region overlapping with high-frequency label 3 can not have short circuit phenomenon.
Step 4）, the appropriate black glue of injection, black glue are dilute in the drain pan 4 of key chain housing, it is ensured that be all distributed in drain pan 4
There is black glue；Black glue is set to be contacted with the Internal and external cycle of low-frequency coil 2 with wooden stick stirring, the height of black glue is with as low-frequency coil 2
Highly it is advisable；
Step 5）, by inject black glue key chain housing drain pan 4 be placed on heating platform using 80 degree temperature heating, slowly
Solidify, uniform stirring black glue is fully to discharge the air in black glue in solidification process, after black glue solidification（Surface has stomata）
The drain pan 4 for injecting black glue is put into baking oven using 150 degree of high-temperature heatings again, black glue is baked to and is fully cured；
Step 6）, the drain pan 4 of the key chain housing after drying is good for as the son of quadric injection mould, overall parcel is carried out, in injection
Shell 1 so that low-frequency coil 2, high-frequency label 3 are placed between upper casing 1, drain pan 4.
The high-frequency label 3 is made of high temperature resistant base material, and high temperature resistant base material is PI or FR4.
Claims (5)
1. a kind of double frequency key chain electronic tag, it is characterized in that：Including key chain housing and it is packaged in straight in key chain housing
Footpath is less than or equal to 21MM low-frequency coil（2）, diameter be less than or equal to 23MM high-frequency label（3）, the key chain housing
Including upper casing（1）, drain pan（4）, low-frequency coil（2）, high-frequency label（3）It is placed in upper casing（1）, drain pan（4）Between；The high frequency marking
Label（3）By sticking double faced adhesive tape in drain pan（4）On, low-frequency coil（2）By sticking double faced adhesive tape in high-frequency label（3）On, low frequency
Coil（2）With high-frequency label（3）Overlapping region is less than or equal to the 1/3 of high-frequency label；Drain pan（4）It is interior to be filled with black glue, pass through
Black glue protection, fixed high-frequency label（3）Chip and low-frequency coil（2）The relative position of chip.
2. a kind of double frequency key chain electronic tag according to claim 1, it is characterized in that：The high-frequency label（3）Using
High temperature resistant base material is made, and high temperature resistant base material is PI or FR4.
3. a kind of preparation method of double frequency key chain electronic tag, it is characterized in that：Comprise the following steps：
Step 1）, by the antenna of the module chip that SOT or QFN are encapsulated and PI materials, bound, made by way of SMT
It is made high-frequency label（3）, the frequency of high-frequency label, which controls, to exist:14MHZ±0.1；
Step 2）, injection prepare the drain pan of key chain housing（4）, then will be through step 1）Obtained high-frequency label（3）Antenna surface
Towards drain pan（4）, high-frequency label（3）With sticking double faced adhesive tape key chain housing drain pan（4）It is interior；
Step 3）, by low-frequency coil（2）By sticking double faced adhesive tape in high-frequency label（3）On, low-frequency coil（2）With high-frequency label
（3）Overlapping region is less than or equal to the 1/3 of high-frequency label, and low-frequency coil and high-frequency label（3）Overlapping region can not have short
Road phenomenon；
Step 4）, in the drain pan of key chain housing（4）The appropriate black glue of interior injection, black glue are dilute, it is ensured that drain pan（4）Inside all it is distributed
There is black glue, make black glue and low-frequency coil with wooden stick stirring（2）Internal and external cycle has a contact, the height of black glue with low-frequency coil（2）
Equally highly it is advisable；
Step 5）, will inject black glue key chain housing drain pan（4）It is placed on heating platform and is heated using 80 degree of temperature, is delayed
Slow to solidify, uniform stirring black glue will inject black glue again fully to discharge the air in black glue after black glue solidification in solidification process
Drain pan（4）Baking oven is put using 150 degree of high-temperature heatings, black glue is baked to and is fully cured；
Step 6）, by the drain pan of the key chain housing after drying（4）Son as quadric injection mould is good for, and carries out overall parcel, injection
Upper casing（1）So that low-frequency coil（2）, high-frequency label（3）It is placed in upper casing（1）, drain pan（4）Between.
4. a kind of preparation method of double frequency key chain electronic tag according to claim 3, it is characterized in that：Step 5）In,
Baking oven baking temperature is less than the heat distortion temperature of key chain housing.
5. a kind of preparation method of double frequency key chain electronic tag according to claim 3, it is characterized in that：The high frequency marking
Label（3）It is made of high temperature resistant base material, high temperature resistant base material is PI or FR4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882827.3A CN107644248A (en) | 2017-09-26 | 2017-09-26 | A kind of double frequency key chain electronic tag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882827.3A CN107644248A (en) | 2017-09-26 | 2017-09-26 | A kind of double frequency key chain electronic tag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107644248A true CN107644248A (en) | 2018-01-30 |
Family
ID=61113855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882827.3A Pending CN107644248A (en) | 2017-09-26 | 2017-09-26 | A kind of double frequency key chain electronic tag and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107644248A (en) |
-
2017
- 2017-09-26 CN CN201710882827.3A patent/CN107644248A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112639825B (en) | RFID tag resistant to operation in high frequency band of microwave oven | |
| JP7227902B2 (en) | RFID tags designed to work on difficult substrates | |
| US20070132593A1 (en) | RFID tag | |
| CN102542326B (en) | Manufacturing method and structure of long-distance radio frequency identification metal product | |
| KR101079360B1 (en) | Radio Frequency Identification Tag, Method and Mould for Manufacturing the same | |
| KR20130108797A (en) | Rfid tag for tire | |
| CN207319266U (en) | A kind of double frequency key chain electronic tag | |
| CN107644248A (en) | A kind of double frequency key chain electronic tag and preparation method thereof | |
| CN107480759A (en) | Reusable fire resistant anticorrosive electronic tag and preparation method thereof | |
| CN205121609U (en) | Electronic label | |
| JP2002355847A (en) | Ic tag inlet for insert in-mold molding, and method for inset in-mold molding for ic tag inlet | |
| CN207233007U (en) | Reusable fire resistant anticorrosive electronic tag | |
| CN103514475A (en) | Thick antenna discrete ultrahigh frequency intelligent label | |
| KR101120957B1 (en) | Chipless rfid tag | |
| CN216120740U (en) | Closed chip antenna unit and ultrahigh frequency composite antenna thereof | |
| KR100964947B1 (en) | RFID Tag and Method for manufacturing plastic product including RFID Tag | |
| CN202159363U (en) | Radio Frequency Identification assembly based on flexible circuit board antenna | |
| CN101271537A (en) | Antenna for radio frequency identification RFID tags | |
| CN203865184U (en) | Packaging bag loaded with RFID information | |
| CN104820857A (en) | Novel ultra-high frequency electronic tag for transformer | |
| CN203870653U (en) | Packaging bag with general RFID label | |
| CN207198893U (en) | A kind of high temperature resistant can be embedded in the electronic tag inside changing object | |
| CN207367247U (en) | A kind of miniature loop antenna RF ID labels of achievable far-field performance | |
| US20110226860A1 (en) | Printed circuit board with antenna for rfid chip and method for manufacturing the same | |
| CN214475107U (en) | Subminiature high-frequency RFID (radio frequency identification) tag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180130 |