CN110323555B - Spring antenna module and manufacturing method thereof - Google Patents
Spring antenna module and manufacturing method thereof Download PDFInfo
- Publication number
- CN110323555B CN110323555B CN201910616587.1A CN201910616587A CN110323555B CN 110323555 B CN110323555 B CN 110323555B CN 201910616587 A CN201910616587 A CN 201910616587A CN 110323555 B CN110323555 B CN 110323555B
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- spring antenna
- substrate
- coil
- unit
- loading
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The application provides a spring antenna module, which comprises a spring antenna with a welding leg at the end part, wherein the welding leg is used for electrically connecting a circuit main board. The application also provides a manufacturing method of the spring antenna module. The application can improve the performance of the spring antenna.
Description
Technical Field
The application relates to the technical field of antennas, in particular to a spring antenna module and a manufacturing method thereof.
Background
The contents described in this section are not necessarily related art.
With the continuous development of the internet of things technology, the wireless terminal has continuous enhancement of functions, continuous improvement of the integration level of a wireless module and continuous miniaturization of a communication device, and with the continuous popularization of technology maturity and application, higher requirements are put on the antenna design of the communication device.
Spring antennas are an important part in wireless communications, and function to radiate and receive radio waves. During emission, converting high-frequency current into electromagnetic waves; upon reception, electromagnetic waves are converted into high-frequency currents. Compared with other antennas, the spring antenna has the advantages of low cost, small size, easy installation, good standing wave ratio performance and good vibration and aging resistance, so that the spring antenna is more and more widely used.
The spring antenna has low radiation efficiency, narrow bandwidth, low gain and poor impedance matching, so the spring antenna needs to be improved.
Disclosure of Invention
In view of the above, in order to solve one of the technical problems in the related art to a certain extent, it is necessary to provide a spring antenna module and a manufacturing method thereof to improve the performance of the spring antenna.
The application provides a spring antenna module, which comprises a spring antenna with a welding leg at the end part, and further comprises a substrate, wherein the welding leg is used for electrically connecting a circuit main board, a radiation unit and/or a loading unit are arranged on the substrate, the spring antenna is connected to the substrate through a coil on the substrate to form a connection point, and the radiation unit and/or the loading unit are electrically connected with the connection point.
Further, the antenna comprises two connection points, wherein one connection point is electrically connected with the radiating unit, and the other connection point is electrically connected with the loading unit; or (b)
The radiating element and the loading element are electrically connected together at one of the connection points.
Further, the connection point electrically connected to the radiating element is located at a coil end of the spring antenna; or (b)
The connection point electrically connected with the loading unit is positioned at the coil end part of the spring antenna; or (b)
The connection points electrically connected with the radiating unit and the loading unit are respectively positioned at two ends of the coil of the spring antenna.
Further, the radiating element and the loading element are located between the two connection points of the electrical connection.
Further, the radiating unit and/or the loading unit are/is located on a first side of the substrate, the spring antenna is located on a second side of the main board, and the first side is opposite to the second side; or (b)
The radiating unit and/or the loading unit and the spring antenna are/is positioned on the same side of the main board.
Further, the diameter of the coil connected with the substrate is larger than the diameter of the rest of the coils of the spring antenna.
Further, through holes matched with the coils are formed in the substrate, and the coils are fixed in the through holes.
Further, a conductive layer is arranged at the corresponding position of the through hole on the first side, and the radiation unit and/or the loading unit are/is electrically connected with the conductive layer.
The application also provides a manufacturing method of the spring antenna module, which comprises the following steps:
providing a spring antenna, wherein the end part of the spring antenna is provided with a welding leg for electrically connecting a circuit main board;
providing a substrate, wherein a radiation unit and/or a loading unit are arranged on the substrate;
at least one coil on the spring antenna is connected to the substrate to form a connection point, so that the radiating unit and/or the loading unit is electrically connected to the connection point.
Further, the radiating unit and/or the loading unit are/is located at a first side of the substrate, diameters of coils at two ends of the spring antenna are larger than diameters of other coils of the spring antenna, through holes matched with the coils are formed in the substrate, the coils at two ends are respectively fixed in the through holes and enable the spring antenna to be located at a second side of the main board, the first side is opposite to the second side, the radiating unit is connected with the coils at one end portion, and the loading unit is connected with the coils at the other end portion.
According to the application, the substrate of the radiating unit and/or the loading unit is fixed on the coil of the spring antenna, so that the radiating unit and/or the loading unit is electrically connected with the spring antenna, the performance of the spring antenna is improved, the manufacturing is easy, and the cost is relatively low.
Drawings
Fig. 1 is a schematic structural diagram of a spring antenna module according to an embodiment of the application.
Fig. 2 is a schematic structural diagram of a spring antenna according to an embodiment of the application.
Fig. 3 is a schematic structural diagram of a substrate according to an embodiment of the application.
Fig. 4 is a schematic diagram of the structure of the combined spring antenna of fig. 2 and the substrate of fig. 3.
The application will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the application. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.
It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It should be further noted that, in the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the present application provides a spring antenna module 100, which includes a spring antenna 10 and a substrate 20, wherein the spring antenna 10 includes a coil portion 11 and soldering feet 12 located at one or both ends of the coil portion 11, and the spring antenna module 100 can be soldered on a circuit board of a device through the soldering feet 12 to receive or transmit electromagnetic waves. The coil portion 11 is spiral and includes a plurality of coils 111.
The spring antenna 10 is connected to the substrate 20 through one or more coils 111 so that the spring antenna 10 and the substrate 20 are fixed together, and a connection point 110 is formed at the connection point of the spring antenna 10 and the substrate 20, and the connection manner may be welding or a patch. The substrate 20 is provided with a radiation unit 30 and/or a loading unit 40, and the radiation unit 30 and/or the loading unit 40 are electrically connected to the connection point 110. It will be appreciated that it is possible to provide the radiating element 30 on the substrate 20, the radiating element 30 being connected to the connection point 110; it is also possible that a loading unit 40 is provided on the substrate 20, the loading unit 40 being connected to the connection point 110; it is also possible that the substrate 20 is provided with a radiating element 30 and a loading element 40, the radiating element 30 and the loading element 40 being connected to one connection point 110; it is also possible that the substrate 20 is provided with a radiating element 30 and a loading element 40, the radiating element 30 and the loading element 40 being connected to different connection points 110, respectively.
In this way, the spring antenna 10 is connected with the radiating unit 30 and/or the loading unit 40, and the spring antenna 10 with the radiating unit 30 is added to increase the radiation bandwidth, so as to improve the radiation efficiency of the antenna, and the spring antenna 10 with the loading unit 40 is added to have wider impedance bandwidth, so that the radiation efficiency of the antenna is higher. The radiating element 30 and the loading element 40 may be regular or irregular in shape, without limitation.
The number of connection points 110 may be one or more, and a plurality of coils 111 may be respectively connected to the substrate 20 to form a plurality of connection points 110. When two or more coils 111 are connected to the substrate 20 to form two or more connection points 110, the connection between the spring antenna 10 and the substrate 20 can be improved, and the structure is more stable.
In the present embodiment, two connection points 110 are described as an example, and it should be understood that the present application is equally applicable when there are a plurality of connection points 110. Any two coils 111 of the spring antenna 10 are connected to the substrate 20, respectively, to form two connection points 110. Preferably, the coils at two ends of the spring antenna 10 are connected to the substrate 20 to form two end connection points 110, wherein the radiating element 30 is connected to one end connection point 110, and the loading element 40 is connected to the other end connection point 110, so that the fixing point is located at the end, the connection firmness of the spring antenna 10 and the substrate 20 can be further improved, the physical strength of the spring antenna 10 is improved, the structural stability is better, the distance between the radiating element 30 and the loading element 40 is maximized, the mutual influence is small, the gain is maximized, the return loss is greatly reduced, the maximum gain can reach 2dB, and the frequency bandwidth can reach 20MHz in 433MHz antenna.
In order to reduce the area of the substrate 20, the radiation unit 30 and the loading unit 40, which are connected to the connection points 110 at both ends, respectively, are disposed between the two end connection points 110, making full use of the area of the substrate 20.
In the present embodiment, the substrate 20 includes a first side 201 and a second side 202, where the first side 201 and the second side 202 are opposite, and in order for the spring antenna 10 not to affect the radiating element 30 and/or the loading element 40, the radiating element 30 and/or the loading element 40 is located on the first side 201 of the substrate 20, and the radiating element 30 and/or the loading element 40 is located on the second side 202 of the substrate 20, so that the space of the substrate 20 can be fully utilized. Of course, it is understood that the radiating element 30 and/or the loading element 40, the spring antenna 10 may be located on the same side of the substrate 20.
As shown in fig. 2, in order to facilitate connection of the spring antenna 10 with the substrate 20, the diameter of the coil 111 at the end of the spring antenna 10 is larger than the diameter of the remaining coils of the spring antenna 10, so that the coil 111 at the end is more protruded. As shown in fig. 3 and 4, a through hole 21 is formed on the substrate 20, the protruding part of the coil 111 can be accommodated in the through hole 21, and then the protruding part is fixed in the through hole 21 by welding or a patch mode, so that a connection point 110 is formed, automatic patch welding can be realized, the labor cost is saved, and welding consistency is ensured.
The first side 201 of the substrate 20 is provided with a conductive layer 22 at a corresponding position around the through hole 21, the conductive layer 22 may be a copper layer, the conductive layer 22 is electrically connected with the radiating unit 30 and/or the loading unit 40 in advance, and when the patch is soldered at the through hole 21 at the position where the coil 111 protrudes, the radiating unit 30 and/or the loading unit 40 is electrically connected with the spring antenna 10.
An embodiment of the present application further provides a method for manufacturing the spring antenna module 100, which may include the following steps:
s100: providing a spring antenna 10, wherein the end part of the spring antenna is provided with a soldering leg 12 for electrically connecting a circuit main board;
s200: providing a substrate 20 on which a radiation unit 30 and/or a loading unit 40 are provided;
s300: at least one coil of the spring antenna 10 is connected to the substrate 20 to form a connection point 110, so that the radiating unit 30 and/or the loading unit 40 are electrically connected to the connection point 110.
It can be appreciated that the specific scheme of the spring antenna module 100 described above can be correspondingly applied to each step of the method for manufacturing the spring antenna module 100 provided in this embodiment, which is not described herein in detail.
Specifically, the radiating unit 30 and/or the loading unit 40 are located on the first side 201 of the substrate 20, the diameters of the coils at two ends of the spring antenna 10 are larger than those of the other coils of the spring antenna 10, through holes matched with the coils are formed in the substrate 20, the coils at two ends are respectively fixed in the through holes, so that the spring antenna 10 is located on the second side 202 of the main board, the first side 201 is opposite to the second side 202, the radiating unit 30 is connected with the coil at one end, and the loading unit 40 is connected with the coil at the other end.
In the description and claims of the present application, the words "comprise/comprising" and the words "have/include" and variations thereof are used to specify the presence of stated features, values, steps, or components, but do not preclude the presence or addition of one or more other features, values, steps, components, or groups thereof.
Some features of the application, which are, for clarity of illustration, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, some features of the application, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.
The foregoing description of the preferred embodiment of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (7)
1. The spring antenna module comprises a spring antenna with a welding leg at the end part, wherein the welding leg is used for electrically connecting a circuit main board, and the spring antenna module is characterized by further comprising a substrate, a radiation unit and/or a loading unit are arranged on the substrate, the spring antenna is connected to the substrate through a coil on the substrate to form a connection point, and the radiation unit and/or the loading unit are electrically connected with the connection point;
wherein the diameter of the coil connected with the substrate is larger than the diameters of the rest coils of the spring antenna;
wherein the radiating element and/or the loading element is located on a first side of the substrate, the spring antenna is located on a second side of the substrate, the first side being opposite to the second side;
the coil is fixed in the through hole in a welding or patch mode to form the connecting point, a conductive layer is arranged at the corresponding position of the periphery of the through hole on the first side of the substrate, the conductive layer is electrically connected with the radiating unit and/or the loading unit, and the coil patch or welding is in the through hole to realize the electrical connection of the radiating unit and/or the loading unit and the spring antenna.
2. The spring antenna module of claim 1, wherein:
the radiating unit comprises two connecting points, wherein one connecting point is electrically connected with the radiating unit, and the other connecting point is electrically connected with the loading unit; or (b)
The radiating element and the loading element are electrically connected together at one of the connection points.
3. The spring antenna module of claim 2, wherein:
the connection point electrically connected to the radiating element is located at a coil end of the spring antenna; or (b)
The connection point electrically connected with the loading unit is positioned at the coil end part of the spring antenna; or (b)
The connection points electrically connected with the radiating unit and the loading unit are respectively positioned at two ends of the coil of the spring antenna.
4. A spring antenna module according to claim 3, wherein said radiating element and said loading element are located between two of said connection points of said electrical connection.
5. Spring antenna module according to claim 1, characterized in that the first side is provided with a conductive layer at the corresponding position of the through hole, the radiating element and/or the loading element being electrically connected with the conductive layer.
6. A method for manufacturing a spring antenna module, the method comprising:
providing a spring antenna, wherein the end part of the spring antenna is provided with a welding leg for electrically connecting a circuit main board;
providing a substrate, wherein a radiation unit and/or a loading unit are arranged on the substrate;
connecting at least one coil on the spring antenna to a connection point formed on the substrate so that the radiating element and/or the loading element are electrically connected to the connection point;
wherein the diameter of the coil connected with the substrate is larger than the diameters of the rest coils of the spring antenna;
wherein the radiating element and/or the loading element is located on a first side of the substrate, the spring antenna is located on a second side of the substrate, the first side being opposite to the second side;
the coil is fixed in the through hole in a welding or patch mode to form the connecting point, a conductive layer is arranged at the corresponding position of the periphery of the through hole on the first side of the substrate, the conductive layer is electrically connected with the radiating unit and/or the loading unit, and the coil patch or welding is in the through hole to realize the electrical connection of the radiating unit and/or the loading unit and the spring antenna.
7. The method of claim 6, wherein the coil diameters of both ends of the spring antenna are larger than the diameters of the remaining coils of the spring antenna, the radiating element is connected to the coil of one end, and the loading element is connected to the coil of the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616587.1A CN110323555B (en) | 2019-07-09 | 2019-07-09 | Spring antenna module and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616587.1A CN110323555B (en) | 2019-07-09 | 2019-07-09 | Spring antenna module and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110323555A CN110323555A (en) | 2019-10-11 |
| CN110323555B true CN110323555B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910616587.1A Active CN110323555B (en) | 2019-07-09 | 2019-07-09 | Spring antenna module and manufacturing method thereof |
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| CN (1) | CN110323555B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113644419B (en) * | 2021-10-18 | 2022-01-21 | 深圳市中天迅通信技术股份有限公司 | Production method of spring rubber-coated antenna |
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| US4462033A (en) * | 1977-01-03 | 1984-07-24 | Quick-Mount Manufacturing Co., Inc. | Antenna with spring loading coil |
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2019
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| US4462033A (en) * | 1977-01-03 | 1984-07-24 | Quick-Mount Manufacturing Co., Inc. | Antenna with spring loading coil |
| CN2865034Y (en) * | 2006-01-23 | 2007-01-31 | 汉达精密电子(昆山)有限公司 | Antenna |
| KR100728477B1 (en) * | 2006-07-05 | 2007-06-21 | 주식회사 힝스 | Antenna hinge module |
| CN107689487A (en) * | 2016-08-05 | 2018-02-13 | 佳邦科技股份有限公司 | Anneta module and preparation method thereof and portable electronic devices |
| CN106374209A (en) * | 2016-10-12 | 2017-02-01 | 深圳市信维通信股份有限公司 | Surface-mounted NFC (Near Field Communication) antenna and antenna system |
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| CN110323555A (en) | 2019-10-11 |
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