Novel FPC antenna and wireless intelligent shelf label

Abstract

The utility model relates to the technical field of wireless communication, and discloses a novel FPC antenna. The novel FPC antenna comprises a radiation unit layer. An AD adhesive layer; a copper foil layer; an ink layer; a double-sided adhesive layer; a release paper layer; the parasitic arm is arranged on the radiation unit layer; the radiator is arranged on the radiation unit layer and comprises a first radiation part and a second radiation part; a feeding point; a parasitic grounding point; a loop grounding point; and the inductor comprises a high-frequency oscillator arranged on the first radiation part, a low-frequency oscillator arranged on the parasitic arm, and a connecting wire for connecting the low-frequency oscillator and the high-frequency oscillator. The parasitic grounding point is connected with the parasitic arm, the feeding point is connected with the first radiation part, a high-frequency oscillator of the inductor is arranged on the first radiation part, a low-frequency oscillator of the inductor is arranged on the parasitic arm, and the low-frequency oscillator and the high-frequency oscillator are electrically connected through a connecting line of the inductor, so that the impedance matching performance of the novel FPC antenna is greatly improved, and the signal transmission capability is greatly enhanced; and the communication quality is improved. The utility model also discloses a wireless intelligent shelf label.

Description

Technical Field

[0001] This application relates to the field of wireless communication technologies, for example, to a new type of FPC antenna and a wireless intelligent shelf label. Background Art

[0002] An FPC antenna, that is, a flexible printed circuit antenna, is a type of antenna widely used in the field of wireless communication. It is made of flexible materials and can be bent and folded, so it is particularly suitable for application scenarios with limited space, such as mobile phones, wearable devices, etc.

[0003] Traditional FPC antenna designs are often limited by materials and manufacturing processes. Since the antenna requires a certain size to ensure the effective transmission of wireless signals, and the limitations of flexible materials make the size and shape of the antenna unable to fully meet the requirements of high-efficiency signal transmission. Due to the various wireless communication requirements of devices, the antenna needs to have strong working capabilities. The performance of traditional FPC antenna designs is not very ideal and often difficult to meet the requirements of strong signal reception and transmission performance.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related technologies: The defects of the existing technologies are mainly reflected in the signal reception and transmission capabilities of FPC antennas. Compared with traditional rigid antennas, the impedance matching of FPC antennas is often poor, which will lead to a reduction in signal transmission efficiency and thus affect communication quality. Summary of the Utility Model

[0005] To have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. The summary is not a general review, nor is it intended to identify key / important constituent elements or delineate the protection scope of these embodiments, but rather serves as a preamble to the subsequent detailed description.

[0006] Embodiments of the present disclosure provide a new type of FPC antenna and a wireless intelligent shelf label to solve the problem that the poor impedance matching of the FPC antenna leads to a reduction in signal transmission efficiency and thus affects communication quality.

[0007] In some embodiments, the new type of FPC antenna includes:

[0008] A radiation unit layer;

[0009] An AD glue layer, disposed under the radiation unit layer;

[0010] A copper foil layer, disposed under the AD glue layer;

[0011] An ink layer, disposed under the copper foil layer;

[0012] A double-sided adhesive layer, disposed under the ink layer;

[0013] The release paper layer is disposed at the lower part of the double-sided adhesive layer;

[0014] The parasitic arm is disposed on the radiation element layer;

[0015] The radiator is disposed on the radiation element layer, and the radiator includes a first radiation portion and a second radiation portion;

[0016] The feeding point is disposed on the upper part of the AD adhesive layer and at the lower part of the first radiation portion;

[0017] The parasitic grounding point is disposed at the lower part of the parasitic arm on the upper part of the AD adhesive layer;

[0018] The loop grounding point is disposed at the lower part of the second radiation portion on the upper part of the AD adhesive layer;

[0019] The inductor includes a high-frequency oscillator disposed on the first radiation portion, a low-frequency oscillator disposed on the parasitic arm, and a connection line connecting the low-frequency oscillator and the high-frequency oscillator.

[0020] In some embodiments, the wireless intelligent shelf label includes:

[0021] A novel FPC antenna as described in the above embodiments.

[0022] A novel FPC antenna and a wireless intelligent shelf label provided by the embodiments of the present disclosure can achieve the following technical effects:

[0023] By providing a radiation element layer, an AD adhesive layer, a copper foil layer, an ink layer, a double-sided adhesive layer, a release paper layer, a parasitic arm, a radiator, a feeding point, a parasitic grounding point, a loop grounding point, and an inductor, the parasitic grounding point is connected to the parasitic arm, the feeding point is connected to the first radiation portion, the high-frequency oscillator of the inductor is disposed on the first radiation portion, the low-frequency oscillator of the inductor is disposed on the parasitic arm, and the connection line of the inductor electrically connects the low-frequency oscillator and the high-frequency oscillator, greatly improving the impedance matching of the novel FPC antenna, greatly enhancing the signal transmission ability, and improving the communication quality.

[0024] The above general description and the following description are only exemplary and explanatory and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] One or more embodiments are exemplarily illustrated by corresponding drawings. These exemplary illustrations and the drawings do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute a scale limitation, and among them:

[0026] Figure 1 is a schematic cross-sectional view of a novel FPC antenna provided by the embodiments of the present disclosure;

[0027] Figure 2 It is a schematic diagram of the overall structure of a novel FPC antenna provided by an embodiment of the present disclosure;

[0028] Figure 3 It is a schematic diagram of the overall structure of the parasitic arm and radiator of a novel FPC antenna provided by an embodiment of the present disclosure;

[0029] Figure 4 It is a schematic diagram of the inductance structure of a novel FPC antenna provided by an embodiment of the present disclosure.

[0030] Reference numerals:

[0031] 10: Radiation unit layer; 20: AD adhesive layer; 30: Copper foil layer; 40: Ink layer; 50: Double-sided adhesive layer; 60: Release paper layer; 70: Parasitic arm; 80: Radiator; 90: Inductance; 100: Parasitic ground point; 110: Feeding point; 120: Loop ground point; 130: First radiation unit; 140: Second radiation unit; 150: Third radiation unit; 160: Fourth radiation unit; 170: Fifth radiation unit; 180: Sixth radiation unit; 190: Seventh radiation unit; 200: Eighth radiation unit; 210: Ninth radiation unit; 220: Tenth radiation unit; 230: Eleventh radiation unit; 240: Twelfth radiation unit; 250: Thirteenth radiation unit; 260: Fourteenth radiation unit; 270: Fifteenth radiation unit; 280: Sixteenth radiation unit; 290: Low-frequency oscillator; 300: Connecting wire; 310: High-frequency oscillator; 320: First radiation part; 330: Second radiation part. Detailed implementation manners

[0032] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are only for reference and illustration purposes and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a sufficient understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be shown in a simplified manner.

[0033] The terms "first", "second", etc. in the description and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to implement the embodiments of the present disclosure described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0034] In the embodiments of the present disclosure, the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "middle", "outer", "front", and "rear" is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and their embodiments, and are not used to limit that the indicated devices, elements, or components must have a specific orientation, or be constructed and operated in a specific orientation. Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0035] In addition, the terms "arranged", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is internal communication between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0036] Unless otherwise specified, the term "plural" means two or more.

[0037] In the embodiments of the present disclosure, the character " / " indicates that the objects before and after are an "or" relationship. For example, A / B means: A or B.

[0038] The term "and / or" is a description of the associated relationship of an object, indicating that three relationships can exist. For example, A and / or B means: A or B, or, the three relationships of A and B.

[0039] It should be noted that, without conflict, the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0040] Currently, the defects of the prior art are mainly reflected in the signal receiving and transmitting capabilities of the FPC antenna. The impedance matching of the FPC antenna is often poor, resulting in a reduction in the signal transmission efficiency, thereby affecting the communication quality.

[0041] Combined with Figures 1-4As shown in the figure, an embodiment of the present disclosure provides a novel FPC antenna, which includes a radiation unit layer 10; an AD adhesive layer 20 disposed below the radiation unit layer 10; a copper foil layer 30 disposed below the AD adhesive layer 20; an ink layer 40 disposed below the copper foil layer 30; a double-sided adhesive layer 50 disposed below the ink layer 40; a release paper layer 60 disposed below the double-sided adhesive layer 50; a parasitic arm 70 disposed on the radiation unit layer 10; a radiator 80 disposed on the radiation unit layer 10, and the radiator 80 includes a first radiation portion 320 and a second radiation portion 330; a feeding point 110 disposed above the AD adhesive layer 20 and below the first radiation portion 320; a parasitic ground point 100 disposed below the parasitic arm 70 on the upper portion of the AD adhesive layer 20; a loop ground point 120 disposed below the second radiation portion 330 on the upper portion of the AD adhesive layer 20; an inductor 90 including a high-frequency oscillator 310 disposed on the first radiation portion 320, a low-frequency oscillator 290 disposed on the parasitic arm 70, and a connection line 300 connecting the low-frequency oscillator 290 and the high-frequency oscillator 310.

[0042] Combined with Figures 1-4 As shown in the figure, by using a novel FPC antenna provided by an embodiment of the present disclosure, the impedance matching of the novel FPC antenna can be greatly improved by arranging the radiation unit layer 10, the AD adhesive layer 20, the copper foil layer 30, the ink layer 40, the double-sided adhesive layer 50, the release paper layer 60, the parasitic arm 70, the radiator 80, the feeding point 110, the parasitic ground point 100, the loop ground point 120 and the inductor 90. The parasitic ground point 100 is connected to the parasitic arm 70, the feeding point 110 is connected to the first radiation portion 320, the high-frequency oscillator 310 of the inductor 90 is disposed on the first radiation portion 320, the low-frequency oscillator 290 of the inductor 90 is disposed on the parasitic arm 70, and the connection line 300 of the inductor 90 electrically connects the low-frequency oscillator 290 and the high-frequency oscillator 310, greatly enhancing the signal transmission ability and improving the communication quality.

[0043] Combined with Figure 1 and Figure 4 As shown in the figure, optionally, the low-frequency oscillator 290 and the high-frequency oscillator 310 of the inductor 90 are isosceles trapezoids and are connected in parallel through the connection line 300 between the high-frequency oscillator 310 and the low-frequency oscillator 290.

[0044] The low-frequency oscillator 290 and the high-frequency oscillator 310 are isosceles trapezoids, and the high-frequency oscillator 310 and the low-frequency oscillator 290 are connected through the connection line 300, which is beneficial to enhancing the impedance matching of the antenna, strengthening the signal transmission power, increasing the communication distance and protecting the antenna assembly.

[0045] Combined with Figure 2 As shown in the figure, optionally, the parasitic arm 70 is in an "E" shape.

[0046] Combined with Figure 3As shown, optionally, the parasitic arm 70 includes a first radiation unit 130, a second radiation unit 140, a third radiation unit 150, a fourth radiation unit 160, a fifth radiation unit 170, a sixth radiation unit 180, a seventh radiation unit 190 and an eighth radiation unit 200, and any two adjacent radiation units of the parasitic arm 70 are perpendicular to each other.

[0047] Combination Figure 3 As shown, optionally, the first radiation portion 320 includes a ninth radiation unit 210, a tenth radiation unit 220 and an eleventh radiation unit 230 connected in sequence, and two adjacent radiation units of the first radiation portion 320 are perpendicular to each other.

[0048] Combination Figure 3 As shown, optionally, the second radiation portion 330 includes a twelfth radiation unit 240, a thirteenth radiation unit 250, a fourteenth radiation unit 260, a fifteenth radiation unit 270 and a sixteenth radiation unit 280 connected in sequence, and two adjacent radiation units of the second radiation portion 330 are perpendicular to each other.

[0049] Optionally, the copper foil layer 30 is a double-sided electrolytic copper foil.

[0050] Combination Figure 2 As shown, optionally, the feeding point 110, the parasitic grounding point 100 and the loop grounding point 120 are in a straight line.

[0051] Combination Figure 2 As shown, optionally, the radiator 80 is in a "冖" shape as a whole.

[0052] The disclosed embodiment provides a wireless smart shelf label, including a novel FPC antenna of the aforementioned embodiment.

[0053] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A novel FPC antenna, characterized in that: Comprising: Radiating element layer; AD adhesive layer, disposed below the radiating element layer; Copper foil layer, disposed below the AD adhesive layer; Ink layer, disposed below the copper foil layer; Double-sided adhesive layer, disposed below the ink layer; Release paper layer, disposed below the double-sided adhesive layer; Parasitic arm, disposed on the radiating element layer; Radiator, disposed on the radiating element layer, the radiator includes a first radiating portion and a second radiating portion; Feeding point, disposed above the AD adhesive layer and below the first radiating portion; Parasitic grounding point, disposed below the parasitic arm above the AD adhesive layer; Circuit grounding point, disposed below the second radiating portion above the AD adhesive layer; Inductor, including a high-frequency oscillator disposed on the first radiating portion, a low-frequency oscillator disposed on the parasitic arm, and a connecting line connecting the low-frequency oscillator and the high-frequency oscillator.

2. A novel FPC antenna according to claim 1, characterized in that: The low-frequency oscillator and the high-frequency oscillator of the inductor are isosceles trapezoids and are connected in parallel through the connecting line between the high-frequency oscillator and the low-frequency oscillator.

3. A novel FPC antenna according to claim 1, characterized in that: The parasitic arm is in an "E" shape.

4. A novel FPC antenna according to claim 3, characterized in that: The parasitic arm includes a first radiating unit, a second radiating unit, a third radiating unit, a fourth radiating unit, a fifth radiating unit, a sixth radiating unit, a seventh radiating unit, and an eighth radiating unit, and adjacent radiating units of the parasitic arm are perpendicular to each other.

5. The novel FPC antenna according to claim 1, characterized in that: The first radiating portion includes a ninth radiating unit, a tenth radiating unit, and an eleventh radiating unit connected in sequence, and adjacent radiating units of the first radiating portion are perpendicular to each other.

6. The novel FPC antenna according to claim 1, characterized in that: The second radiating portion includes a twelfth radiating unit, a thirteenth radiating unit, a fourteenth radiating unit, a fifteenth radiating unit, and a sixteenth radiating unit connected in sequence, and adjacent radiating units of the second radiating portion are perpendicular to each other.

7. The novel FPC antenna according to claim 1, characterized in that: The copper foil layer is a double-sided electrolytic copper foil.

8. The novel FPC antenna according to claim 1, characterized in that: The feeding point, the parasitic grounding point, and the circuit grounding point are in a straight line.

9. The novel FPC antenna according to claim 1, characterized in that: The radiator as a whole is in a "冖" shape.

10. A wireless smart shelf label, characterized in that: Including a novel FPC antenna according to any one of claims 1 to 9.

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