CN112561021A - RFID antenna connection method independent from main board - Google Patents
RFID antenna connection method independent from main board Download PDFInfo
- Publication number
- CN112561021A CN112561021A CN202011486220.1A CN202011486220A CN112561021A CN 112561021 A CN112561021 A CN 112561021A CN 202011486220 A CN202011486220 A CN 202011486220A CN 112561021 A CN112561021 A CN 112561021A
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- Prior art keywords
- main board
- coil
- connecting plate
- external connecting
- mainboard
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- 238000000034 method Methods 0.000 title claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 24
- 239000010949 copper Substances 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000003490 calendering Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 5
- 230000006854 communication Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- G06K19/07749—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
- G06K19/07777—Antenna details the antenna being of the inductive type
- G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
-
- 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
- G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
- G06K19/07756—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 arrangements for connecting the integrated circuit to the antenna the connection being non-galvanic, e.g. capacitive
Abstract
The invention discloses a method for connecting an RFID antenna independent from a main board, which comprises the following steps: step one is debugged and is played a design and mangle copper FPC coil according to conventional thinking, and step two RFID chips are pasted on FPC, and the signal foot corresponds with the feedback electric foot one-to-one of coil, and step tee bend is reserved the matching and is connected the installation, comes the frequency deviation of control resonance point with big electric capacity, a follow independent RFID antenna connection structure of mainboard, including the product mainboard, the outside fixed mounting of product mainboard has the protection link, movable mounting has external connecting plate on the protection link, mangle copper FPC's upper end fixed mounting has the RFID identification board, the location spread groove has been seted up to the lower extreme of external connecting plate. According to the RFID antenna connection method independent from the main board, the installation convenience degree of products is improved, the working difficulty is reduced, the manufacturing work of the products is facilitated for workers, the processing and production speed is improved, and the cost input of product processing can also be reduced.
Description
Technical Field
The invention relates to the technical field of RFID antennas, in particular to a method for connecting an RFID antenna independent from a main board.
Background
The RFID principle is that non-contact data communication is carried out between a reader and a tag to achieve the purpose of identifying a target, the RFID is widely applied, typical applications include animal wafers, automobile wafer burglar alarms, entrance guard control, parking lot control, production line automation and material management, non-contact bidirectional data communication is carried out in a wireless radio frequency mode, a recording medium is read and written in the wireless radio frequency mode to achieve the purpose of identifying the target and exchanging data, the RFID is considered to be one of the information technologies with the greatest development potential in the twenty-first century, the non-contact bidirectional communication is achieved by combining wireless communication with a data access technology and then connecting a database system, and the purpose of identifying is achieved.
However, in the existing market, the antenna state is adjusted by adding a differential circuit at the main board end, and the obvious disadvantage is that the RFID chip and the differential circuit occupy the space resources of the main board end, and the space of the main board end is important for some products, such as smart watches, smart bracelets and other products, the main board end of the product is crowded, and a part of area is reserved for the RFID antenna, so that the difficulty is increased, the cost investment in production work can be increased, the difficulty in work can be increased, the speed and efficiency of work are reduced, the market competitiveness of processed products can be reduced, and the time of the whole work is prolonged.
Disclosure of Invention
The invention aims to provide an independent RFID antenna connection method from a main board, and aims to solve the problems that in the prior art, a differential circuit is added at the main board end to adjust the antenna state in the existing market, and the obvious defect is that an RFID chip and the differential circuit occupy the space resources of the main board end, and the space of the main board end is important for some products, such as products of an intelligent watch, an intelligent bracelet and the like, the main board end of the products is crowded, and a part of area is reserved for an RFID antenna, so that the more difficult is brought, the cost input during production work is increased, the difficulty of the work is increased, the work speed and the work efficiency are reduced, the market competitiveness of processed products is reduced, and the whole work time is prolonged.
In order to achieve the purpose, the invention provides the following technical scheme: a method for connecting an RFID antenna independent from a main board comprises the following steps:
the method comprises the following steps: and debugging and proofing the copper FPC coil according to the conventional thought.
Step two: the RFID chip is attached to the FPC, and the signal pins correspond to the feedback electric pins of the coil one to one.
Step three: and connection and installation are carried out through reservation matching, and the frequency deviation of a resonance point is controlled by a large capacitor.
The utility model provides a from independent RFID antenna connection structure of mainboard, includes the product mainboard, the outside fixed mounting of product mainboard has the protection link, movable mounting has external connecting plate on the protection link, the upper end fixed mounting of external connecting plate has calendering copper FPC, calendering copper FPC's upper end fixed mounting has the RFID identification plate, the location spread groove has been seted up to the lower extreme of external connecting plate, fixed mounting has coil in the mainboard in the product mainboard
Preferably, the Q value of the coil in the main board in the step one must be good and the inductance value meets the requirement.
Preferably, the reserved matching position in the second step can optimize the impedance value of the antenna, 1 to 3 more matching positions can be reserved according to the requirement, and the frequency offset of the resonance point can be controlled by using a large capacitor during debugging.
Preferably, interconnect between the interior coil of mainboard on the product mainboard and the protection link, and the size of protection link and the mutual adaptation of external connecting plate size.
Preferably, the RFID identification plate and the calendered copper FPC are electrically connected with each other, and the calendered copper FPC and the external connecting plate are electrically connected with each other.
Preferably, the positioning connecting grooves are symmetrically provided with at least two connecting grooves on the external connecting plate, and the positions of the positioning connecting grooves correspond to the positions of the protection connecting ends.
Preferably, the protection connecting end is electrically connected with the coil in the main board, and the RFID identification board is electrically connected with the coil in the main board.
Preferably, the size of the product main board and the size of the external connecting board are mutually matched, and the size of the external connecting board and the size of the rolled copper FPC are mutually matched.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the RFID antenna connection method independent from the main board, the external connection device is added, so that the connection and installation work can be better performed, the main board and the RFID chip can be separated when the RFID antenna connection method is used, the use work can be better performed, the occupied area in the main board is reduced, the production and processing work can be better performed, and the work speed and the work efficiency are improved;
2. according to the RFID antenna connection method independent from the main board, the fixing structures capable of being mounted and connected with each other are added, the use requirements can be well met during mounting, the stability after mounting is improved, different mounting and connecting work can be carried out according to different use requirements, and the applicability of products is improved;
3. this from independent RFID antenna connection method of mainboard, whole device is rational in infrastructure, and the work of installing that can be better improves the simple to operate degree of product, reduces the degree of difficulty of work, makes things convenient for the staff to carry out the manufacturing of product, improves the speed of processing production, also can help to reduce the cost input of product processing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention.
In the figure: 1. a product main board; 2. a protection connecting end; 3. connecting plates are externally connected; 4. an RFID identification plate; 5. calendering the copper FPC; 6. positioning a connecting groove; 7. coil in the mainboard.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a method for connecting an RFID antenna independent from a main board comprises the following steps:
the method comprises the following steps: debugging and proofing the copper FPC coil according to a conventional thought;
step two: the RFID chip is attached to the FPC, and the signal pins correspond to the feedback electric pins of the coil one by one;
step three: and connection and installation are carried out through reservation matching, and the frequency deviation of a resonance point is controlled by a large capacitor.
The utility model provides a from independent RFID antenna connection structure of mainboard, including product mainboard 1, the outside fixed mounting of product mainboard 1 has protection link 2, movable mounting has external connecting plate 3 on the protection link 2, the upper end fixed mounting of external connecting plate 3 has calendering copper FPC5, the upper end fixed mounting of calendering copper FPC5 has RFID identification plate 4, positioning connection groove 6 has been seted up to the lower extreme of external connecting plate 3, fixed mounting has coil 7 in the mainboard in the product mainboard 1
Furthermore, the 7Q value of the coil in the main board in the step one is required to be good, and the inductance meets the requirement, so that the main board can be better used;
furthermore, the reserved matching positions in the second step can optimize the impedance value of the antenna, 1-3 more matching positions can be reserved according to the requirement, the frequency deviation of the resonance point can be controlled by a large capacitor during debugging, and the antenna can be better installed;
furthermore, the coil 7 in the main board of the product main board 1 is connected with the protection connecting end 2, and the size of the protection connecting end 2 is matched with that of the external connecting board 3, so that the overall stability can be improved;
furthermore, the RFID identification board 4 and the calendered copper FPC5 are electrically connected with each other, and the calendered copper FPC5 and the external connecting board 3 are electrically connected with each other, so that better control can be realized;
furthermore, at least two positioning connecting grooves 6 are symmetrically arranged on the external connecting plate 3, and the positions of the positioning connecting grooves 6 correspond to the positions of the protection connecting ends 2, so that the installation can be better carried out;
furthermore, the protective connecting end 2 and the coil 7 in the main board are electrically connected with each other, and the RFID identification board 4 and the coil 7 in the main board are electrically connected with each other, so that the use convenience degree of the product is increased;
further, the size of product mainboard 1 and the mutual adaptation of the size of external connecting plate 3, and the size of external connecting plate 3 and the mutual adaptation of the size of calendering copper FPC5, the work of installing fixedly that can be better.
Example one
A method for connecting an RFID antenna independent from a main board comprises the following steps:
the method comprises the following steps: debugging and proofing the copper FPC coil according to a conventional thought;
step two: the RFID chip is attached to the FPC, and the signal pins correspond to the 1 feedback electric pins of the coil one by one;
step three: and connection and installation are carried out through reservation matching, and the frequency deviation of a resonance point is controlled by a large capacitor.
Example two
A method for connecting an RFID antenna independent from a main board comprises the following steps:
the method comprises the following steps: debugging and proofing the copper FPC coil according to a conventional thought;
step two: the RFID chip is attached to the FPC, and the signal pins correspond to the 2 feedback electric pins of the coil one by one;
step three: and connection and installation are carried out through reservation matching, and the frequency deviation of a resonance point is controlled by a large capacitor.
EXAMPLE III
A method for connecting an RFID antenna independent from a main board comprises the following steps:
the method comprises the following steps: debugging and proofing the copper FPC coil according to a conventional thought;
step two: the RFID chip is attached to the FPC, and the signal pins correspond to the 3 feedback electric pins of the coil one by one;
step three: and connection and installation are carried out through reservation matching, and the frequency deviation of a resonance point is controlled by a large capacitor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A method for connecting an RFID antenna independent from a main board comprises the following steps: the method comprises the following steps: debugging and proofing the copper FPC coil according to a conventional thought; step two: the RFID chip is attached to the FPC, and the signal pins correspond to the feedback electric pins of the coil one by one; step three: and connection and installation are carried out through reservation matching, and the frequency deviation of a resonance point is controlled by a large capacitor.
2. The RFID antenna connection structure independent from a main board according to claim 1, comprising a product main board, wherein: the outer side fixed mounting of product mainboard has the protection link, movable mounting has external connecting plate on the protection link, the upper end fixed mounting of external connecting plate has calendering copper FPC, calendering copper FPC's upper end fixed mounting has the RFID identification plate, the location spread groove has been seted up to the lower extreme of external connecting plate, fixed mounting has the interior coil of mainboard in the product mainboard.
3. The method of claim 1, wherein the method further comprises: in the first step, the Q value of the coil in the main board is required to be good and the inductance value meets the requirement.
4. The method of claim 1, wherein the method further comprises: the reserved matching position in the second step can optimize the impedance value of the antenna, 1-3 more matching positions can be reserved according to the requirement, and the frequency offset of the resonance point can be controlled by using a large capacitor during debugging.
5. The method of claim 1, wherein the method further comprises: interconnect between the mainboard inner coil on the product mainboard and the protection link, and the size of protection link and the mutual adaptation of external connecting plate size.
6. The method of claim 1, wherein the method further comprises: the RFID identification plate and the calendered copper FPC are electrically connected with each other, and the calendered copper FPC and the external connecting plate are electrically connected with each other.
7. The method of claim 1, wherein the method further comprises: the positioning connecting grooves are symmetrically provided with at least two on the external connecting plate, and the positions of the positioning connecting grooves correspond to the positions of the protection connecting ends.
8. The method of claim 1, wherein the method further comprises: the protection connecting end is electrically connected with the coil in the main board, and the RFID identification board is electrically connected with the coil in the main board.
9. The method of claim 1, wherein the method further comprises: the size of product mainboard and the mutual adaptation of external connecting plate size, and the mutual adaptation of size of external connecting plate size and calendering copper FPC's size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486220.1A CN112561021A (en) | 2020-12-16 | 2020-12-16 | RFID antenna connection method independent from main board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486220.1A CN112561021A (en) | 2020-12-16 | 2020-12-16 | RFID antenna connection method independent from main board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112561021A true CN112561021A (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011486220.1A Pending CN112561021A (en) | 2020-12-16 | 2020-12-16 | RFID antenna connection method independent from main board |
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| Country | Link |
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| CN (1) | CN112561021A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070095926A1 (en) * | 2005-10-29 | 2007-05-03 | Magnex Corporation | RFID tag with improved range |
| CN1965324A (en) * | 2004-04-08 | 2007-05-16 | 3M创新有限公司 | Variable frequency radio frequency identification (RFID) tags |
| CN102208045A (en) * | 2011-06-03 | 2011-10-05 | 上海铭源数码股份有限公司 | Split-type passive electronic tag and printed circuit board using same |
| CN109638434A (en) * | 2018-11-23 | 2019-04-16 | 深圳市天威讯无线技术有限公司 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
-
2020
- 2020-12-16 CN CN202011486220.1A patent/CN112561021A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1965324A (en) * | 2004-04-08 | 2007-05-16 | 3M创新有限公司 | Variable frequency radio frequency identification (RFID) tags |
| US20070095926A1 (en) * | 2005-10-29 | 2007-05-03 | Magnex Corporation | RFID tag with improved range |
| CN102208045A (en) * | 2011-06-03 | 2011-10-05 | 上海铭源数码股份有限公司 | Split-type passive electronic tag and printed circuit board using same |
| CN109638434A (en) * | 2018-11-23 | 2019-04-16 | 深圳市天威讯无线技术有限公司 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
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