CN205354091U - Integrate in PCBA's RFID label - Google Patents
Integrate in PCBA's RFID label Download PDFInfo
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- CN205354091U CN205354091U CN201620114935.7U CN201620114935U CN205354091U CN 205354091 U CN205354091 U CN 205354091U CN 201620114935 U CN201620114935 U CN 201620114935U CN 205354091 U CN205354091 U CN 205354091U
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Abstract
The utility model discloses an integrate in PCBA's RFID label, this label are located the edge of conventional multilayer circuit board, comprise tag antenna and label chip, tag antenna comprises upper and lower two -layer radiating surface, and the partly of line is walked for PCB covers copper to tag antenna's radiating surface, and upper radiating surface is the top layer of circuit board, and as tag antenna's primary radiation face, lower floor's radiating surface is the bottom of circuit board, and as tag antenna's ground plane, upper and lower two -layer centre is the base plate with the PCBA sharing, the primary radiation face of label is cusp gap structure, label chip feed part is located the position of rest in cusp gap. This label utilizes the ground plane of circuit board and the upper primary radiation bodily form to become slot antenna, adorns conventional RFID chip direct subsides of feed mouth, to the double -deck PCBA of conventionality, has not only practiced thrift the PCBA surface area, and need not additionally to paste the RFID label, only need just can form the RFID label on the PCBA surface by a RFID chip. Compare and trace back the carrier in other information, have the advantage that the area is little, with low costs.
Description
Technical field
This utility model relates to technical field of RFID, particularly relates to a kind of RFID tag being integrated in PCBA.
Background technology
Current RFID technique has been applied to security protection, supply chain management, identity card and the field such as voucher management, food safety trace back management, but review and up to the present product lifecycle does not have molding application case temporarily in electric equipment products production process information, wherein, crucial information carrier is just integrated with the RFID tag of product P CBA.
RFID system is mainly made up of four parts such as electronic tag, read write line, reading and writing device antenna, middlewares.Read write line sends the radiofrequency signal of certain frequency by transmitting antenna, produces faradic current when electronic tag enters transmitting antenna working region, and electronic tag obtains energy and is activated；The information such as self coding are sent by electronic tag by the built-in transmission antenna of card；System reception antenna receives and sends, from electronic tag, the carrier signal of coming, it is sent to read write line through antenna adjustments device, the signal received is demodulated and decodes by read write line, it is then delivered to backstage main system and carries out relevant treatment, make corresponding process and control for different settings, send command signal and control actuator action.
RFID tag is mainly made up of RFID chip and RFID antenna and the carrier tag substrate of the two.At present, the information record of manufacture process adopts the mode record information manually pasting bar code, not only consuming time but also add human cost, RFID technique is applied in electric equipment products, it is possible not only to the record substituting original bar code to product essential information, and the readwrite performance of the abundant internal memory of RFID and short-distance and medium-distance can easily the manufacturing flow process of record product, the information such as in-out-storehouse management.At present, the electric equipment products information of manufacture process records the commonly used mode pasting bar code, because traditional barcode technology is the same with the electronic tag of adherent, this type of label is easily corroded in the application and scratches, information capacity is little, and can not read at a distance.Most common RFID tag is PET as the inlay of substrate and the now more on the market anti-metal tag module based on PCB substrate.RFID tag is the inlay of PET base, the form of the commonly used dipole antenna of the type inlay, owing to the factors such as its surface area is big, the complex process of manufacture cause that single label is relatively costly, it is impossible to popularity.Based on the anti-metal tag of PCB substrate, the label model of small size often made by this type of label, and single cost is high, and can not be integrated in the original circuit structure of PCBA.Therefore, shortcoming for aforesaid way, this utility model is planned the circuit of electronic tag and electronic and electrical equipment and is integrated, just electronic tag is integrated in the circuit of product at Design Stage, a kind of RFID tag method for designing being integrated in PCBA is proposed, it is achieved the purpose of electronic tag high reliability and low cost.
Summary of the invention
The purpose of this utility model is in that for the deficiencies in the prior art, it is provided that a kind of RFID tag being integrated in PCBA.This label utilizes the ground plane of circuit board to form slot antenna with the main radiator on upper strata, conventional RFID tags chip is directly mounted at feed mouth, for typical bilayer PCBA, so not only save PCBA surface area, and without additionally pasting RFID tag, it is only necessary to a RFID chip just can form RFID tag on PCBA surface.Compared to other information tracing carriers, there is area little, the advantage that cost is low.
The purpose of this utility model is achieved through the following technical solutions: a kind of RFID tag being integrated in PCBA, and this label is integrated in the edge of PCBA, is made up of label antenna and label chip；Described label antenna is made up of upper and lower two-layer radiating surface, the radiating surface of label antenna is the PCB part covering copper cabling, upper strata radiating surface is the top layer of circuit board, primary radiation face as label antenna, lower floor's radiating surface is the bottom of circuit board, as the ground plane of label antenna, in the middle of upper and lower two-layer it is and the PCBA substrate shared.
The primary radiation face of described label is dentation gap structure；The lower limb in primary radiation face is provided with some vias, and primary radiation face, upper strata is connected by via with lower floor ground plane；Label chip feed section is positioned at the original position in dentation gap.
Further, described substrate is conventional PCBA base material, can be selected for polyimides or glass-epoxy.
Further, the length of described tag body part is 18mm, wide for 10mm.
Further, described substrate thickness is 1.0mm～1.8mm.
Further, primary radiation face, upper strata is formed on PCBA base material by copper etching, and it is long is 18mm, wide for 5.4mm；On primary radiation face, the total length in dentation gap is 30-35mm, dentation gap originates in label chip, 2.5mm is extended vertically upwards along primary radiation face length limit, the direction parallel with long limit from the changed course of long side edge 0.25mm place, primary radiation face extends 3.8mm, then proceed to extend vertically downward 2.5mm, form single dentalation；Repeat above-mentioned gap structure, form 3 dentalation totally 11 gaps.
Further, described via external diameter is 0.45mm, and internal diameter is 0.35mm, and its height is consistent with substrate height.
Further, the dentation gap structure on described primary radiation face, keep gap total length constant, also can adopt sinusoidal wave gap or triangular wave gap.
The beneficial effects of the utility model are: this label adopts dual-layer atenna design, utilize the original ground plane of circuit board to constitute label antenna with upper strata radiating surface, it is not necessary to paste, bind extra electronic tag and can realize the information source tracing of circuit board.The radiant body of this label antenna directly can be etched on substrate by circuit board fabrication process, and label chip and other components and parts all adopt SMT technique to be integrated on circuit board.Label is directly integrated in circuit board, product can be carried out information record at circuit board fabrication initial period.Dual-layer atenna structure is effectively saved the surface area of antenna, may extend to the circuit board of the different size difference number of plies, it is achieved that the miniaturized application of integrated rfid-tag on the PCBA that area is valuable.For reaching good radiance, antenna should be positioned at multilayer circuit panel edges, and the design is also based on this structure that have employed edge antenna, and does not affect original electric property.Adopt dentation gap structure, effectively reduce the area of slotted section, make this label antenna only take up small part area on circuit boards, it is easy to antenna integrated；Only need to change the parameter in dentation gap, the label chip of label antenna and different manufacturers can be made to realize good conjugate impedance match and wider bandwidth, therefore can reduce the cost of label greatly.
Accompanying drawing explanation
Fig. 1 is label overall structure schematic diagram；
Fig. 2 is label front view；
Fig. 3 is label-side view；
Fig. 4 is label relative position schematic diagram on circuit boards；
In figure, primary radiation face 1, dentation gap structure 2, label chip 3, substrate 4, via 5, ground plane 6.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As Figure 1-4, a kind of RFID tag being integrated in PCBA that this utility model provides, this label is integrated in the edge of PCBA, is made up of label antenna and label chip 3；Described label antenna is made up of upper and lower two-layer radiating surface, the radiating surface of label antenna is the PCB part covering copper cabling, upper strata radiating surface is the top layer of circuit board, primary radiation face 1 as label antenna, lower floor's radiating surface is the bottom of circuit board, as the ground plane 6 of label antenna, in the middle of upper and lower two-layer it is and the PCBA substrate 4 shared；Described substrate 4 can be selected for polyimides or glass-epoxy.
As in figure 2 it is shown, the primary radiation face 1 of described label is dentation gap structure 2, label chip 3 feed section is positioned at the original position in dentation gap；Adopt dentation gap structure 2, effectively reduce the area of slotted section, make this label antenna only take up small part area on circuit boards, it is easy to antenna integrated；Only need to change the parameter in dentation gap, the label chip of label antenna and different manufacturers can be made to realize good conjugate impedance match and wider bandwidth, therefore can reduce the cost of label greatly.
As it is shown on figure 3, the lower limb in primary radiation face 1 is provided with four vias 5, primary radiation face, upper strata 1 is connected by via 5 with lower floor ground plane 6.
The radiant body of this label antenna is by being directly etched on substrate 4 in circuit board fabrication process, and label chip 3 and other components and parts all adopt SMT technique to be integrated on circuit board.Label is directly integrated in circuit board, product can be carried out information record at circuit board fabrication initial period.
Preferably, the length of described tag body part is 18mm, wide for 10mm.The thickness of described substrate 4 is 1.0mm～1.8mm, its thickness and board substrate consistency of thickness.Primary radiation face, upper strata 1 is formed in PCB substrate by copper etching, and it is long is 18mm, wide for 5.4mm；On primary radiation face 1, the total length in dentation gap is 30-35mm, as shown in Figure 2, dentation gap originates in label chip 3, along primary radiation face, 1 long limit extends vertically upwards 2.5mm, the direction parallel with long limit from the changed course of long side edge 0.25mm place, primary radiation face 1 extends 3.8mm, then proceed to extend vertically downward 2.5mm, form single dentalation；Repeat above-mentioned gap structure, form 3 dentalation totally 11 gaps.Described via external diameter is 0.45mm, and internal diameter is 0.35mm, and its height is highly consistent with substrate 4.
Dentation gap structure 2 on described primary radiation face 1, keeps gap total length constant, also can adopt similar structures such as sinusoidal wave gap or triangular wave gap etc., make this label antenna only take up small part area on circuit boards, it is easy to antenna integrated.
Claims (7)
1. the RFID tag being integrated in PCBA, it is characterised in that this label is integrated in the edge of PCBA, is made up of label antenna and label chip (3)；Described label antenna is made up of upper and lower two-layer radiating surface, the radiating surface of label antenna is the PCB part covering copper cabling, upper strata radiating surface is the top layer of circuit board, primary radiation face (1) as label antenna, lower floor's radiating surface is the bottom of circuit board, as the ground plane (6) of label antenna, in the middle of upper and lower two-layer it is and the PCBA substrate (4) shared；The primary radiation face (1) of described label is dentation gap structure (2)；The lower limb in primary radiation face (1) is provided with some vias (5), and primary radiation face, upper strata (1) is connected by via (5) with lower floor's ground plane (6)；Label chip (3) feed section is positioned at the original position in dentation gap.
2. a kind of RFID tag being integrated in PCBA according to claim 1, it is characterised in that described substrate (4) is conventional PCBA base material, can be selected for polyimides or glass-epoxy.
3. a kind of RFID tag being integrated in PCBA according to claim 1, it is characterised in that the length of described tag body part is 18mm, wide for 10mm.
4. a kind of RFID tag being integrated in PCBA according to claim 1, it is characterised in that the thickness of described substrate (4) is 1.0mm～1.8mm.
5. a kind of RFID tag being integrated in PCBA according to claim 1, it is characterised in that primary radiation face, upper strata (1) is formed on PCBA base material by copper etching, it is long for 18mm, wide for 5.4mm；The total length in upper dentation gap, primary radiation face (1) is 30-35mm, dentation gap originates in label chip (3), 2.5mm is extended vertically upwards along primary radiation face (1) long limit, the direction parallel with long limit from the changed course of primary radiation face (1) long side edge 0.25mm place extends 3.8mm, then proceed to extend vertically downward 2.5mm, form single dentalation；Repeat above-mentioned gap structure, form 3 dentalation totally 11 gaps.
6. a kind of RFID tag being integrated in PCBA according to claim 1, it is characterised in that described via (5) external diameter is 0.45mm, and internal diameter is 0.35mm, its height is highly consistent with substrate (4).
7. a kind of RFID tag being integrated in PCBA according to claim 1, it is characterised in that the dentation gap structure (2) on described primary radiation face (1), keeps gap total length constant, also can adopt sinusoidal wave gap or triangular wave gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114935.7U CN205354091U (en) | 2016-02-04 | 2016-02-04 | Integrate in PCBA's RFID label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114935.7U CN205354091U (en) | 2016-02-04 | 2016-02-04 | Integrate in PCBA's RFID label |
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| CN205354091U true CN205354091U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620114935.7U Active CN205354091U (en) | 2016-02-04 | 2016-02-04 | Integrate in PCBA's RFID label |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740939A (en) * | 2016-02-04 | 2016-07-06 | 中国计量学院 | RFID label integrated on PCBA |
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2016
- 2016-02-04 CN CN201620114935.7U patent/CN205354091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740939A (en) * | 2016-02-04 | 2016-07-06 | 中国计量学院 | RFID label integrated on PCBA |
| CN105740939B (en) * | 2016-02-04 | 2019-06-11 | 中国计量学院 | A kind of RFID label tag being integrated in PCBA |
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