Optical fiber connector with RFID antenna
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to an optical fiber connector with an RFID antenna.
Background
With the continuous development of optical fiber technology, various fields are widely applied, and the fiber home is realized in daily life. The management and maintenance of numerous optical fibers and optical paths become a great difficulty, and especially in the fault repairing process, the fault optical fibers are difficult to identify in thousands of optical fibers, manual investigation is needed one by one, the time is long, and the efficiency is low. The traditional bar code label, two-dimensional code label also can not diagnose problem optic fibre very fast, and paper class label receives influence such as surrounding environment and manual operation easily simultaneously, and the label is ageing or damage easily, and easy mark or misconnection leak when probably leading to updating optic fibre wire jumper position, bring very big inconvenience for the user maintenance and the operation of optic fibre wire jumper, have increased the human cost. In the conventional optical fiber connector, the dielectric constant of the material is low, the loss is high, and for the RFID antenna of the UHF frequency band, the dielectric wavelength is relatively long, and the required antenna area is large, so that the antenna of the UHF frequency band is difficult to realize on the surface of the optical fiber connector. And the integration of the antenna and the optical fiber connector is difficult to realize by the LDS technology. Moreover, conventional fiber optic connectors are often disposable during maintenance and repair, and the loss of material is significant during extensive repair and maintenance.
Disclosure of Invention
Aiming at the technical problems, the invention provides the optical fiber connector with the RFID antenna, which reduces the material loss of the optical fiber connector, can realize LDS, can realize the integration of the UHF frequency band RFID antenna, and can realize the identification, diagnosis and maintenance of the optical fiber.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the optical fiber connector with the RFID antenna comprises an optical fiber connector body, wherein the outer surface of the optical fiber connector is provided with the RFID antenna and a feed end connected with the RFID antenna; the RFID antenna is processed on the outer surface of the optical fiber connector by an LDS manufacturing method, the optical fiber connector adopts a special material, the dielectric constant of the special material is higher than that of a common material, the loss is small, the wavelength of a UHF frequency band medium is reduced relatively, the antenna size can be reduced, meanwhile, the material can be injection molded, the integration with the RFID antenna can be realized on the surface of the material by an LDS processing technology, and the invention only takes PREPERM TP20382 material (dielectric constant: 9, loss tangent: 0.001) of a Premix company as an example, but the invention is not limited to the material.
Preferably, the outer surface of the optical fiber connector body is further provided with an RFID chip connected with the feed end, and the design of the RFID antenna can be adjusted according to the impedance of the RFID chip.
Preferably, the feeding end is double-end feeding or four-end feeding, and a user can select double-end feeding or four-end feeding according to actual needs.
Preferably, the outer surface of the optical fiber connector is provided with a resistor, an inductor or a capacitor. For antennas with lower frequency bands, in order to ensure that matching can be better achieved, a matching component is added near the antennas, so that matching between the antennas and the RFID chip can be better achieved, and the matching component comprises at least one of resistance, inductance or capacitance.
Preferably, the resistor, inductor or capacitor is attached to the optical fiber connector through SMT, and of course, the resistor, inductor or capacitor may be a separate device or may be integrated with the RFID chip through packaging.
Preferably, the optical fiber connector body is of a three-dimensional structure, the three-dimensional design enables current to be distributed on the surface of the optical fiber connector, and meanwhile the three-dimensional design can reduce the size of the antenna.
Preferably, the optical fiber connector body is a cuboid with two open ends, a notch is formed in two side walls of the optical fiber connector body and used for inserting an optical fiber plug for fixing, and the two open ends are optical fiber insertion ends.
Compared with the prior art, the invention has the beneficial effects that: the RFID antenna is formed by injection molding of special materials, and can be manufactured on the optical fiber connector through an LDS processing technology, so that the RFID antenna and the optical fiber connector are integrated, the size is reduced, the identification, diagnosis and maintenance of the optical fiber are greatly facilitated, and meanwhile, the optical fiber connector can be reused, and the material loss of the optical fiber connector is reduced to a great extent.
Drawings
FIGS. 1 and 2 are schematic views showing the overall structure of a first embodiment of the present invention;
fig. 3 and fig. 4 are schematic views of the overall structure of a second embodiment of the present invention;
FIG. 5 is a schematic overall structure of a third embodiment of the present invention;
Wherein 1 is an optical fiber connector; 2 is an RFID antenna; 3 is a feed end; 4 is a notch; 5 is open; 6 is an opening.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the technical scheme of the present invention is further described below with reference to the accompanying drawings.
Embodiment one: as shown in fig. 1 and 2, an optical fiber connector with an RFID antenna includes an optical fiber connector body, the outer surface of the optical fiber connector is provided with the RFID antenna and a feeding end connected with the RFID antenna, the feeding end realizes conjugate matching of the RFID antenna and an RFID chip, wherein the feeding end can be double-end feeding or four-end feeding, specifically can be set according to practical requirements, the RFID antenna in the embodiment is manufactured on the outer surface of the optical fiber connector through an LDS process, the optical fiber connector is made of special materials, the optical fiber connector can be injection molded, the RFID antenna can be realized on the surface of the optical fiber connector through an LDS technology, the integrated design of the RFID antenna and the optical fiber connector is ensured, the three-dimensional design of the antenna can be realized, and the size of the antenna is reduced.
The optical fiber connector adopts a special material, the dielectric constant of the special material is higher than that of a common material, the loss is small, the wavelength of a UHF frequency range medium is relatively reduced, the size of an antenna can be reduced, meanwhile, the material can be injection molded, and the integration with an RFID antenna can be realized on the surface of the material through an LDS processing technology.
The optical fiber connector of the embodiment is of a cuboid structure, two side walls of the optical fiber connector body are provided with notches, the notches are used for inserting optical fiber plugs to play a fixing role, and two ends of the optical fiber connector are open to be optical fiber insertion ends.
Embodiment two: as shown in fig. 3, this embodiment is similar to the first embodiment, further, an RFID chip connected to the feeding end is further disposed on the outer surface of the optical fiber connector, the RFID antenna is designed to be adjusted according to the impedance of the RFID chip, the RFID antenna of this embodiment is disposed on the surface of the optical fiber connector through the LDS process, where the RFID chip divides the RFID antenna into two parts, namely, a left part and a right part, the antenna of the left part surrounds the optical fiber connector in a circle, completely surrounds the optical fiber connector, and as a ground of the RFID antenna, the antenna of the right part surrounds the optical fiber connector in a winding manner, but does not surround 360 degrees, and turns around the optical fiber connector in a zigzag manner, so that a gap is formed on the back of the optical fiber connector. For the case of lower frequency bands, it is possible to consider loading other matching components on the antenna, if necessary, in order to match the conjugate between the antenna and the chip.
Embodiment III: the optical fiber connector of the present embodiment is further provided with at least one of a resistor, an inductor or a capacitor on the outer surface, and for the antenna with a lower frequency band, in order to ensure that matching can be better realized, a matching component is added near the antenna, so that conjugate matching between the antenna and the RFID chip can be better realized, where the matching component includes at least one of a resistor, an inductor or a capacitor, and the resistor, the inductor or the inductor of the present embodiment can be attached to the optical fiber connector through SMT. As shown in fig. 5, the RFID antenna of the present embodiment includes an opening portion for adjusting the current distribution of the antenna, wherein the outer surface of the optical fiber connector is further provided with an access point of the matching component, so as to implement conjugate matching between the antenna and the RFID chip.
According to the optical fiber connector with the RFID antenna, special materials are adopted for injection molding, meanwhile, laser carving degree and the like can be adopted to achieve integration of the antenna and the optical fiber connector, the optical fiber connector can quickly find out problematic optical fibers in a plurality of optical fibers through an RFID technology, and corresponding LED lamps are lightened to distinguish corresponding optical fibers through communication between a reader and RFID chips on the optical fiber connector. The fiber connector can be reused, so that the loss of materials is reduced, and the fiber connector has great help in fiber identification, diagnosis and maintenance.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.