CN108511878A - Manufacturing method of antenna component, antenna component and electronic device - Google Patents

Abstract

The embodiment of the present application provides a method for manufacturing an antenna assembly, an antenna assembly, and an electronic device. The method for manufacturing the antenna assembly includes: fixing a steel sheet and a plastic to form an antenna structure; injection molding a second substrate on a first substrate, wherein the second substrate has a frame surrounding the periphery of the first substrate; and fixing the antenna structure on the outer surface of the periphery of the frame. The embodiment of the present application can increase the clearance area of the antenna structure in the electronic device and improve the radiation signal strength of the antenna structure.

Description

Manufacturing method of antenna component, antenna component and electronic device

technical field

The present application relates to the field of electronic technology, and in particular to a manufacturing method of an antenna assembly, the antenna assembly and electronic equipment.

Background technique

With the development of communication technology, electronic devices such as smartphones are becoming more and more popular. During the use of electronic equipment, such as using electronic equipment to talk. In order to improve the call quality, the clearance area of the antenna structure can be increased inside the electronic device.

However, with more and more functions of electronic equipment, the space of electronic equipment is becoming more and more limited. Increasing the clearance area of the antenna structure inside the electronic equipment will occupy the space of other devices. If the size of the electronic equipment is not changed, the electronic equipment will be affected. The function of the electronic device will increase the size of the electronic device without affecting the function of the electronic device.

Contents of the invention

Embodiments of the present application provide a method for manufacturing an antenna assembly, the antenna assembly, and an electronic device, which can improve the signal strength of the electronic device.

An embodiment of the present application provides a method for manufacturing an antenna assembly, including:

The steel sheet and plastic are fixedly connected to form an antenna structure;

forming a second substrate by injection molding on the first substrate, the second substrate having a frame surrounding the periphery of the first substrate;

The antenna structure is fixed on the outer surface of the peripheral edge of the frame.

An embodiment of the present application provides an antenna assembly, and the antenna assembly is manufactured by using the method for manufacturing an antenna assembly as described above.

An embodiment of the present application provides an electronic device, including an antenna assembly and a control circuit, the antenna assembly is the antenna assembly described above, and the control circuit is coupled to the antenna structure.

The manufacturing method of the antenna assembly, the antenna assembly and the electronic device provided in the embodiments of the present application set the antenna structure on the outer surface of the periphery of the frame, so that the clearance area of the antenna structure in the electronic device can be increased when the size of the electronic device remains the same. , to increase the radiation signal strength of the antenna structure. At the same time, the groove plays a role in positioning and protecting the antenna structure.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 2 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 3 is a schematic structural diagram of another electronic device provided by an embodiment of the present application.

FIG. 4 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 5 is a schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

FIG. 6 is a disassembled schematic diagram of the antenna assembly in FIG. 5 .

FIG. 7 is a schematic structural diagram of a second substrate provided by an embodiment of the present application.

FIG. 8 is another schematic diagram of the structure of the second substrate provided by the embodiment of the present application.

FIG. 9 is an enlarged view of the antenna assembly at position A in FIG. 8 .

FIG. 10 is a schematic structural diagram of a third protection member provided by an embodiment of the present application.

Fig. 11 is a schematic structural diagram of the first protection member and the second protection member provided by the embodiment of the present application.

FIG. 12 is a schematic structural diagram of a first antenna provided in an embodiment of the present application.

Fig. 13 is a schematic structural diagram of the second antenna provided by the embodiment of the present application.

FIG. 14 is a schematic structural diagram of a third antenna provided by an embodiment of the present application.

FIG. 15 is a schematic flowchart of a method for manufacturing an antenna assembly provided by an embodiment of the present application.

FIG. 16 is another schematic flowchart of the method for manufacturing the antenna assembly provided by the embodiment of the present application.

FIG. 17 is another schematic flow chart of the manufacturing method of the antenna assembly provided by the embodiment of the present application.

FIG. 18 is another schematic flowchart of the method for manufacturing the antenna assembly provided by the embodiment of the present application.

FIG. 19 is another schematic flowchart of the method for manufacturing the antenna assembly provided by the embodiment of the present application.

FIG. 20 is another schematic flowchart of the method for manufacturing the antenna assembly provided by the embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or reference letters in various instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Embodiments of the present application provide a method for manufacturing an antenna assembly, an antenna assembly, and an electronic device. The antenna assembly can be integrated into an electronic device. The antenna assembly can be made by using the method for manufacturing an antenna assembly. The electronic device can be a smart phone, devices such as tablets.

Please refer to FIG. 1 . FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application. The electronic device 10 may include a cover 11 , a display screen 12 , a control circuit 13 , a battery 14 , a casing 15 , a front camera 161 , a rear camera 162 , a fingerprint unlocking module 17 and an antenna structure 19 . It should be noted that the electronic device 10 shown in FIG. 1 is not limited to the above content, and it may also include other devices, or not include the front camera 161, or not include the rear camera 162, or not include the fingerprint unlocking module 17, etc. .

Wherein, the cover plate 11 is installed on the display screen 12 to cover the display screen 12 . The cover plate 1 can be a transparent glass cover plate, so that the light-transmitting cover plate 11 of the display screen can display. In some embodiments, the cover plate 11 may be a glass cover plate made of materials such as sapphire.

Wherein, the housing 15 can form the outer contour of the electronic device 10 . In some embodiments, the housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 are combined to form the housing 15, the middle frame 151 and the rear cover 152 may form a storage space for storing Control circuit 13, display screen 12, battery 14 and other devices. Further, the cover plate 11 can be fixed on the housing 15, and the cover plate 11 and the housing 15 form a closed space for accommodating the control circuit 13, the display screen 12, the battery 14 and other components. In some embodiments, the cover plate 11 is set on the middle frame 151, and the rear cover 152 is set on the middle frame 151. The cover plate 11 and the rear cover 152 are located on the opposite sides of the middle frame 151. relative settings.

In some embodiments, the shell 15 can be a metal shell, such as magnesium alloy, stainless steel and other metals. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited thereto, and other methods may also be used, for example, the housing 15 may be a plastic housing. Another example: the shell 15 is a ceramic shell. Another example: the housing 15 can include a plastic part and a metal part, and the housing 15 can be a shell structure in which metal and plastic cooperate with each other. Specifically, the metal part can be formed first, such as forming a magnesium alloy substrate by injection molding. Plastic is then injected on the alloy substrate to form a plastic substrate, which constitutes a complete shell structure. It should be noted that the material and process of the casing 15 are not limited thereto, and a glass casing may also be used.

It should be noted that the structure of the housing in the embodiment of the present application is not limited thereto. For example, the rear cover and the middle frame are integrally formed to form a completed housing 15 structure, and the housing directly has a storage space for accommodating the control circuit 13. Display screen 12, battery 14 and other devices.

Wherein, the control circuit 13 is installed in the housing 15, and the control circuit 13 can be the main board of the electronic device 10, and the control circuit 13 can be integrated with a motor, a microphone, a speaker, an earphone interface, a universal serial bus interface, and a front camera. 161. One, two or more of functional components such as a rear camera 162, a distance sensor, an ambient light sensor, a receiver, and a processor.

In some embodiments, the control circuit 13 can be fixed in the housing 15 . Specifically, the control circuit 13 can be screwed to the middle frame 151 by screws, or can be snapped to the middle frame 151 by buckling. It should be noted that the method for fixing the control circuit 13 to the middle frame 151 in the embodiment of the present application is not limited to this, and other methods can also be used, such as fixing together by buckles and screws.

Wherein, the battery 14 is installed in the housing 15 , and the battery 14 is electrically connected with the control circuit 13 to provide power to the electronic device 10 . The case 15 may serve as a battery cover for the battery 14 . The casing 15 covers the battery 14 to protect the battery 14 , specifically, the back cover covers the battery 14 to protect the battery 14 , so as to reduce the damage to the battery 14 due to the collision and drop of the electronic device 10 .

Wherein, the antenna structure 19 is arranged on the outer surface of the casing 15 . In some embodiments, the antenna structure 19 is disposed on the outer surface of the middle frame 151 , and the clearance area of the antenna structure 19 inside the electronic device 10 can be increased when the size of the electronic device 10 remains unchanged.

Wherein, the display screen 12 is installed in the housing 15 , and at the same time, the display screen 12 is electrically connected to the control circuit 13 to form a display surface of the electronic device 10 . The display screen 12 may include a display area and a non-display area. The display area may be used to display the screen of the electronic device 10 or provide touch manipulation by the user. The top area of the non-display area is provided with openings for sound and light transmission, and the bottom of the non-display area can be provided with functional components such as fingerprint modules and touch buttons. Wherein the cover plate 11 is installed on the display screen 12 to cover the display screen 12, and may form the same display area and non-display area as the display screen 12, or may form different display areas and non-display areas.

In some embodiments, the display screen 12 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode display (Organic Light-Emitting Diode, OLED) or other type of display. In some embodiments, when the display screen 12 is a liquid crystal display screen, the display screen 12 may include a backlight module, a lower polarizer, an array substrate, a liquid crystal layer, a color filter substrate, and an upper polarizer stacked in sequence. When the display screen 12 is an organic light emitting diode display screen, the display screen 12 may include a base layer, an anode layer, an organic layer, a conductive layer, an emission layer, and a cathode layer that are sequentially stacked. In some embodiments, the display screen 12 may be a transparent display screen, and the display screen 12 may have a transparent property for signals to pass through. The display screen can also be a non-transparent display screen.

It should be noted that, the structure of the display screen 12 is not limited thereto. For example, the display screen 12 may be a special-shaped screen.

Please refer to FIG. 2 . FIG. 2 is another schematic structural diagram of an electronic device provided by an embodiment of the present application. The electronic device 20 includes a display screen 22 , a cover plate 21 , a control circuit 23 , a battery 24 , a casing 25 and an antenna structure 29 . The difference between the electronic device 20 and the electronic device 10 is that: the display screen 22 is directly formed with a light-permeable area 28 thereon. For example: the display screen 22 is provided with a through hole penetrating through the display screen 22 in the thickness direction, the permeable area 28 may include the through hole, and functional components such as the front camera 161 , an earpiece, and a sensor may be arranged at the position of the through hole.

It should be noted that the structure of the display screen is not limited thereto, for example: the display screen 22 is provided with a non-display area, the permeable area 28 may include the non-display area, and the non-display area does not display. It should be noted that, the housing 25 can refer to the housing 15 , the control circuit 23 can refer to the control circuit 13 , the battery 24 can refer to the battery 14 , and the antenna structure 29 can refer to the antenna structure 19 , which will not be repeated here.

Please refer to FIG. 3 . FIG. 3 is a schematic structural diagram of another electronic device provided by an embodiment of the present application. The electronic device 30 in FIG. The electronic device 30 differs from the above electronic devices in that: the display screen 32 is provided with a notch 321 around its periphery, and the notch 321 can place functional components such as the front camera 161 , earpiece, and sensor. Wherein, the cover plate 31 is suitable for the structural configuration of the display screen 31 , and the cover plate 31 can be provided with gaps of equal size in the notch 321 , and the cover plate 31 can also cover the position of the notch 321 . It should be noted that, for the housing 35, refer to the above housing 15, for the control circuit 33, refer to the control circuit 13, for the battery 34, refer to the battery 14, and for the antenna structure 39, refer to the antenna structure 19, which will not be repeated here.

It should also be noted that, in some embodiments, the display screen 12 may not include a non-display area, but may be configured as a full-screen structure, and functional components such as a distance sensor and an ambient light sensor may be disposed under the display screen or at other positions. . Specifically, please refer to FIG. 4 . FIG. 4 is another schematic structural diagram of an electronic device provided by an embodiment of the present application. The electronic device 40 may include a display screen 42 , a cover 41 , a control circuit 43 , a battery 44 and a casing 45 . Wherein, the display screen 42 covers the casing 45 without a non-display area. Wherein, the cover plate 41 is suitable for the size setting of the display screen 42 . It should be noted that, the casing 45 may refer to the casing 15 , the control circuit 43 may refer to the control circuit 13 , the battery 44 may refer to the battery 14 , and the antenna structure 49 may refer to the antenna structure 19 , which will not be repeated here.

It is understandable that as electronic equipment has more and more functions, more and more components are installed inside the electronic equipment. Installing additional components inside the electronic equipment will occupy the internal space of the electronic equipment when the size of the electronic equipment remains the same. Space, in the actual production process, will occupy the clearance area of the antenna structure in the electronic device, thereby affecting the radiation signal of the antenna structure. In order to keep the antenna structure with a good radiation signal without additionally increasing the size of the electronic device, the present application installs the antenna structure on the outer surface of the middle frame to form an antenna assembly. The antenna assembly is taken as an example to describe in detail below.

Please refer to FIG. 5 and FIG. 6 , FIG. 5 is a schematic structural diagram of an antenna assembly provided by an embodiment of the present application, and FIG. 6 is a schematic diagram of disassembly of the antenna assembly in FIG. 5 . The antenna assembly 50 may include a first substrate 510 , a second substrate 520 and an antenna structure 530 . The antenna assembly 50 can be applied to the above electronic devices.

Wherein, the first substrate 510 may be a plate-shaped structure. The first substrate 510 can be made of metal materials, such as magnesium alloy, formed by molding, die-casting, machining and other processes. It should be noted that the specific structure and material of the first substrate 510 can be adjusted according to actual needs.

Wherein, the second substrate 520 can be made of plastic material, for example, it can be formed on the first substrate 510 by injection molding, so as to form a complete insert structure, or a middle frame structure. The second substrate 520 includes a frame 521 and a connection structure formed on the inner surface of the frame 521 .

Please refer to FIG. 7 . FIG. 7 is a schematic structural diagram of a second substrate provided by an embodiment of the present application. The frame 521 is located at the edge of the second substrate 520 , and the frame 511 surrounds the periphery of the first substrate 510 . The frame 521 is fixedly connected with the periphery of the first substrate 510 during the injection molding process. The connection structure may include an earphone socket, a camera socket, and the like. The connection structure is formed by extending from the inner surface of the frame 521 toward the inner direction of the middle frame 521 , and the connection structure can be formed on the first substrate 510 to realize a fixed connection. The inner surface of the frame 521 is a surface adjacent to the first substrate 510 .

In some embodiments, the second substrate 520 has a first end 5201 , a second end 5202 , a first side 5203 and a second side 5204 . Wherein the first end portion 5201 and the second end portion 5202 are arranged oppositely, and the first side portion 5203 and the second side portion 5204 are arranged oppositely. The first end 5201 is connected to the first side 5203 and the second side 5204 respectively, a first corner 5205 is formed between the first end 5201 and the first side 5203, and the first end 5201 and the second A second corner 5206 is formed between the sides 5204 . The second end 5202 is connected to the first side 5203 and the second side 5204 respectively, a third corner 5207 is formed between the second end 5201 and the first side 5203, the second end 5202 and the second A fourth corner 5208 is formed between the sides 5204 . The frame 521 has the same end, side and corner as the second substrate 520 .

In some embodiments, the frame 521 is provided with a plurality of spaced positioning holes 5218 .

Wherein, the antenna structure 530 is arranged on the peripheral surface of the frame 521, and the antenna structure 530 can be coupled with the control circuit, and the frame 521 can realize the coupling between the antenna structure 530 and the control circuit by opening holes or slots. Therefore, the antenna structure 530 is located on the peripheral outer surface of the middle frame structure, and the outside of the antenna structure 530 is not shielded. In the case of an inconvenient middle frame structure, compared with the antenna structure installed on the inner surface of the frame structure of the middle frame structure, the headroom of the antenna structure 530 in this application The area is equivalent to increasing the space occupied by the frame 521 in its thickness direction, that is, in the case of inconvenient electronic equipment size, the application can increase the headroom area, improve the intensity of the radiation signal of the antenna structure, and reduce the damage caused by other devices to the antenna structure. influences.

In some embodiments, there may be one, two, three or more antenna structures 530 . Here, three antenna structures are taken as an example for illustration, which does not limit the number of antenna structures 530 . The antenna structure 530 includes a first antenna structure 531 , a second antenna structure 532 and a third antenna structure 533 . The first antenna structure 531 is arranged at the first corner 5205, and the first antenna structure 531 can send and receive short-distance communication signals. Wherein the second antenna structure 532 is disposed at the second corner 5206 and the position of the first end 5201, the first antenna structure 531 and the second antenna structure 532 are adjacently disposed at the position of the first end 5201, and the second antenna structure 532 can As a diversity antenna, it can also be used as a main antenna. Wherein the third antenna structure 533 is disposed at the third corner 5207 , the fourth corner 5208 and the second end 5202 . The third antenna structure 533 can have two feeding points, and can form two radiators to send and receive signals of different frequency bands. One antenna can be used as the main antenna, and the other can be used as the diversity antenna. It should be noted that the third antenna structure 533 may also have only one radiator, which may be used as a diversity antenna or as a main antenna.

In some embodiments, the length of the first antenna structure 531 is less than the length of the second antenna structure 532 .

It can be understood that the antenna structure 530 is arranged on the outer surface of the frame 521, which is easy to touch, and it will cause problems such as drumming of the antenna structure and affect the performance of the antenna when subjected to a strong impact or collision. In order to protect the antenna structure 530 , one, two or more layers of paint may be sprayed on the outer surface of the antenna structure 530 . Of course, one, two or more layers of paint may also be sprayed on the outer surface of the periphery of the frame 521 after the antenna structure 530 is installed.

It should be noted that the implementation of the protection scheme for the antenna structure 530 is not limited to this. For example: opening a groove on the frame 521 . Specifically, please refer to FIG. 7 to FIG. 9 together. FIG. 8 is another schematic structural diagram of the second substrate provided by the embodiment of the present application, and FIG. 9 is an enlarged view of the antenna assembly in FIG. 8 at position A. The outer peripheral surface of the frame 521 is provided with a groove, and the groove extends from the outer peripheral edge of the frame 521 toward the inner surface of the frame 521 . The antenna structure 530 is disposed in the groove. For example: the groove includes a first groove 5211 , a second groove 5212 and a third groove 5213 . The first groove 5211 is disposed at the first end portion 5201 and the first corner 5205 , and the first groove 5211 accommodates the first antenna structure 531 . The second groove 5212 is disposed at the first end 5202 and the second corner 5206 , and the second groove 5212 accommodates the second antenna structure 532 . The third groove 5213 is disposed at the second end 5202 , the third corner 5207 and the fourth corner 5208 , and the third groove 5213 accommodates the third antenna structure 533 .

In some embodiments, the first substrate 520 is formed with an earphone hole 523 and a protruding ring 522 between the first groove 5211 and the second groove 5212, the through hole 523 is used to accommodate the earphone jack, and the protruding ring 522 realizes Headphone jack protection.

In some embodiments, each groove can be set according to the shape and size of the antenna structure, so that the surface of the antenna structure installed in the groove is flush with the surface of the frame.

It should be noted that the manner of forming the groove on the frame 510 is not limited thereto, for example, the groove is formed on the inner surface of the frame 510 . For another example, the groove is formed on the periphery of the frame 510 , and the groove may be formed extending from one side of the frame toward the other side.

It should also be noted that the groove can also be used only to expose the feeding point of the antenna structure, and the antenna structure can be wrapped by the frame through injection molding.

It can be seen from the above that the antenna structure 530 is installed in the groove of the frame 521 to prevent the antenna structure 530 from protruding from the outer surface of the peripheral edge of the frame 521, and the outer surface of the antenna structure 530 and the outer surface of the frame 521 can be arranged flush to reduce the antenna structure. Possibility of structure 530 damage.

In order to further improve the protection of the antenna structure 530 . In some other embodiments, the antenna assembly 50 may further include a protection member 540 made of non-metallic material, and the protection member 540 may be made of plastic material. The protection member 540 can be disposed on the outer surface of the frame 521 and the outer surface of the antenna structure 530 to cover the antenna structure 530 . Thus, the antenna structure 530 is located between the protection member 540 and the frame 521 . The number of protection elements 540 can be set according to the number of antenna structures 530 , for example, there are three protection elements 540 , namely a first protection element 541 , a second protection element 542 and a third protection element 543 .

Please refer to FIG. 10 and FIG. 11 , FIG. 10 is a schematic structural diagram of the third protection member provided by the embodiment of the present application, and FIG. 11 is a schematic structural diagram of the first protective member and the second protective member provided by the embodiment of the present application. Wherein the first protection member 541 covers the first antenna structure 531 to cover the first antenna structure 531 on the frame 521 . Wherein the second protection member 542 covers the second antenna structure 532 to cover the second antenna structure 532 on the frame 520 . The third protection member 543 covers the third antenna structure 533 to cover the third antenna structure 533 on the frame 520 .

In some embodiments, the protection member 540 can protrude from the outer surface of the frame 521 , and can also be installed in the groove together with the antenna structure 530 , so that the periphery of the protection member 540 is flush with the periphery of the frame 521 . Further, the frame 521 has a bottom wall at the position of the groove and a side wall surrounding the bottom wall, and the side wall has a stepped structure at the position of the groove, and the frame 521 has a stepped surface at the position of the side wall, and the stepped surface can carry the protective member 540 , that is, the protection member 540 is disposed on the step surface. Specifically, please refer to FIG. 7 . In FIG. 7 , the frame 521 has a side wall 5216 and a bottom wall 5215 at the position of the second groove 5212 , the side wall 5215 has a stepped structure, and the frame 521 has a stepped surface 5214 at the position of the side wall 5215 . It should be noted that the frame 521 has the same side wall, bottom wall and step surface at the position of the first groove 531 , and the second protection member 542 is disposed on the step surface. Please refer to FIG. 8 and FIG. 9 . In FIG. 8 , the frame 521 has the same sidewall, 5216 , bottom wall 5215 and step surface 5214 at the same position as the third groove 533 , and the third protection member 543 is disposed on the step surface 5214 .

In some embodiments, the frame 521 has an inclined surface 5217 at the position of the groove, and the inclined surface 5217 is formed by the side wall 5216 and the bottom wall 5215 . Specifically, the inclined surface 5215 extends along the direction of the frame surrounding the first substrate 510 .

In some embodiments, the thickness of the protection member 540 may be 0.01mm-0.4mm, for example, the thickness of the protection member 540 is 0.25mm-0.3mm.

In some embodiments, the end of the protection member 540 has a protrusion, specifically, the end of the first protection member 540 has a first protrusion 5411, and the end of the second protection member 542 has a second protrusion. The protruding portion 5421 , the end of the third protection member 543 has a third protruding portion 5431 . The positioning holes 5218 of the frame 521 are used to receive the first protruding portion 5411 , the second protruding portion 5421 and the third protruding portion 5431 respectively.

In some embodiments, the first protection part 541 is provided with a first notch 5412, the second protection part 542 is provided with a second notch 5422, and the first notch 5412 and the second notch 5422 form a notch structure 529 to accommodate the protrusion Ring 522. The second protection member 542 can also define a plurality of spaced through holes 5423, and the through holes 5423 can transmit sound signals. The third protection member 5423 defines a plurality of recesses 5432 spaced apart from each other, of course, the recesses 5432 can also be formed as a through-hole structure.

In some embodiments, a positioning structure may also be provided on the protection member 540 to position the positioning structure on the frame 510 .

In some embodiments, the antenna structure 530 may include a steel sheet, that is, the antenna structure 530 is formed by a steel sheet to realize sending and receiving signals. It should be noted that the thickness of the steel sheet is relatively thin, for example, the thickness of the steel sheet is 0.1-0.3 mm, and further the thickness of the steel sheet is 0.15 mm-0.2 mm. During the installation process, it is easy to deform and affect the signal. In some embodiments, plastic can be bonded to the steel sheet to form an antenna structure in which the steel sheet and plastic are bonded together. Specifically, please refer to FIG. 12 to FIG. 14 . FIG. 12 is a schematic structural diagram of the first antenna provided by the embodiment of the present application, FIG. 13 is a schematic structural diagram of the second antenna provided by the embodiment of the present application, and FIG. 14 is a schematic structural diagram of the third antenna provided by the embodiment of the present application.

Wherein, the first antenna structure 531 is formed by fixedly connecting the first steel sheet 5311 and the first plastic part 5312 , for example, the first plastic part 5312 is formed on the first steel sheet 5311 by injection molding. The first plastic part 5312 can be formed on the surface of the first steel sheet 5311 to wrap the first steel sheet 5311 . The first plastic part 5312 can also be formed on the periphery of the first steel sheet 5311 to expose the outer surface or/and inner surface of the first steel sheet 5311 to the outside. The first plastic part 5312 can also be formed on the outer surface or inner surface of the first steel sheet 5311 .

Wherein, the second antenna structure 532 is formed by fixed connection of the second steel sheet 5321 and the second plastic part 5322 , for example, the second plastic part 5322 is formed on the second steel sheet 5321 by injection molding. The second plastic part 5322 can be formed on the surface of the second steel sheet 5321 to wrap the second steel sheet 5321 . The second plastic part 5322 can also be formed on the periphery of the second steel sheet 5321 to expose the outer surface or/and inner surface of the second steel sheet 5321 to the outside. The second plastic part 5322 can also be formed on the outer surface or the inner surface of the second steel sheet 5321 .

Wherein, the third antenna structure 533 is formed by fixedly connecting the third steel sheet 5331 and the third plastic part 5332 , for example, the third plastic part 5332 is formed on the third steel sheet 5331 by injection molding. The third plastic part 5332 can be formed on the surface of the third steel sheet 5331 to wrap the third steel sheet 5331 . The third plastic part 5332 can also be formed on the periphery of the third steel sheet 5331 to expose the outer surface or/and inner surface of the third steel sheet 5331 to the outside. The third plastic part 5332 can also be formed on the outer surface or inner surface of the third steel sheet 5331 .

In some embodiments, the end of the first antenna structure 531 has a first protrusion 5313, the end of the second antenna structure 532 has a second protrusion 5323, and the end of the third antenna structure 533 has a The third protrusion 5333 . The first protruding portion 5313 , the second protruding portion 5323 and the third protruding portion 5333 are received in the positioning hole 5218 of the frame 521 .

It can be seen that the antenna structure is wrapped on the surface of the steel sheet or around the periphery of the steel sheet by plastic parts, which not only protects the steel sheet and reduces the possibility of damage to the steel sheet; but also increases the strength of the steel sheet and reduces the Possibility of deformation, improving the signal strength of the antenna structure.

The above is the embodiment of the present application to install the antenna structure on the outer surface of the frame or install the antenna structure inside the frame to increase the clearance area of the antenna structure. In order to further describe the application, the following describes from the direction of the manufacturing method of the antenna assembly.

Please refer to FIG. 15 . FIG. 15 is a schematic flowchart of a method for manufacturing an antenna assembly provided by an embodiment of the present application. With reference to Figures 1 to 14, the manufacturing method of the antenna assembly includes:

In step 101, a first substrate is provided. Wherein the first substrate may be a metal substrate, such as a magnesium alloy substrate, which can be referred to above, and will not be repeated here.

In step 102 , a non-metal second substrate is formed on the first substrate, the second substrate has a frame surrounding the periphery of the first substrate. The second substrate can be made of plastic, for example, formed on the first substrate by injection molding. For the second substrate and its frame, reference may be made to the above content, which will not be repeated here.

In step 103, grooves are formed on the frame. The grooves may be molded during injection molding of the second substrate. The groove can also be formed by machining after forming the second substrate. The groove can be formed on the outer surface, the side or the inner surface of the frame. The position and structure of the groove can refer to the above content, and will not be repeated here.

In step 104, the antenna structure is disposed within the groove. The antenna structure may be mounted in the groove after the groove has been formed. For the antenna structure and the cooperation between the antenna structure and the groove, reference may be made to the above content, which will not be repeated here.

It should be noted that, the manufacturing method of the antenna structure is not limited to this.

Please refer to FIG. 16 . FIG. 16 is another schematic flow chart of the manufacturing method of the antenna assembly provided by the embodiment of the present application. Please refer to Figures 1 to 14 together, the manufacturing method of the antenna assembly includes:

In step 201, a first substrate is provided. Wherein, for the first substrate, reference may be made to the above contents, which will not be repeated here.

In step 202 , a second substrate is formed by injection molding on the first substrate, and the second substrate has a frame surrounding the periphery of the first substrate. After the second substrate and the first substrate are molded, a middle frame structure can be formed. The second substrate and its cooperation with the first substrate can be referred to above, and will not be repeated here.

In step 203, an antenna structure is formed inside the frame, so that the antenna structure is embedded in the frame or embedded in the outer surface of the frame. In the process of injection molding the second substrate, the antenna structure can be embedded in the plastic when the second substrate is not formed, and the antenna structure is embedded in the outer surface or inside of the frame after the second substrate is molded with plastic. Therefore, the clearance area of the antenna structure can be increased, and the intensity of the radiation signal of the antenna structure can be improved.

Please refer to FIG. 17 . FIG. 17 is another schematic flow chart of the manufacturing method of the antenna assembly provided by the embodiment of the present application. Please refer to Figures 1 to 14 together, the manufacturing method of the antenna assembly includes:

In step 301, a first substrate and an antenna structure are provided. For the structure of the first substrate and the antenna, reference may be made to the above content, and details will not be repeated here.

In step 302, a first substrate and antenna structure are positioned in a mold. The structure inside the mold can be used to realize the positioning of the first substrate and the antenna structure.

In step 303, a second substrate is formed by injection molding in a mold, the second substrate has a frame surrounding the periphery of the first substrate, and the antenna structure is embedded in the frame or the outer surface. Therefore, the clearance area of the antenna structure can be increased, and the intensity of the radiation signal of the antenna structure can be improved.

Please refer to FIG. 18 . FIG. 18 is another schematic flow chart of the manufacturing method of the antenna assembly provided by the embodiment of the present application. Please refer to Figures 1 to 14 together, the manufacturing method of the antenna assembly includes:

In step 401, a metal substrate is provided, wherein the metal substrate has a metal substrate, a connection bridge and an antenna structure, the connection bridge is formed extending outward from the periphery of the metal substrate, and the metal substrate and the antenna structure are connected through the connection bridge. The metal base material can be formed by mold injection, and the metal base material can also be formed by machining. The metal base material can adopt a magnesium alloy process.

In step 402, a non-metal substrate is formed on the metal substrate, the non-metal substrate has a frame surrounding the metal substrate, and the antenna structure forms an inner or outer surface of the frame. Wherein the non-metallic substrate can be made of plastic material, and the non-metallic substrate can refer to the above-mentioned second substrate, which will not be repeated here.

The antenna structure can be formed inside the non-metallic substrate and wrapped by the non-metallic substrate, and the minimum distance between the antenna structure and the outer surface of the non-metallic substrate can be 0.02mm-0.4mm, such as 0.25mm-0.3mm.

In step 403, the connection bridge is removed to separate the metal substrate and the antenna structure. The connecting bridge can be removed by machining, or the connecting bridge can be cut off by machining. The metal substrate and the antenna structure are fixedly connected through the non-metal substrate, which will not affect the radiation signal of the antenna structure. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure can be improved. Wherein, the metal substrate can refer to the above first substrate, and the antenna structure can refer to the above content, which will not be repeated here. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure can be improved.

After the metal substrate, the non-metal substrate and the antenna structure are fixedly connected to form the antenna assembly, the entire outer surface or periphery can be polished. After the grinding treatment, it can be sprayed, and the paint can be sprayed to form a paint layer.

Please refer to FIG. 19 . FIG. 19 is another schematic flow chart of the manufacturing method of the antenna assembly provided by the embodiment of the present application. Please refer to Figures 1 to 14 together, the manufacturing method of the antenna assembly includes:

In step 501, the steel sheet and the plastic are fixedly connected to form an antenna structure. The unformed plastic can be bonded to the steel sheet to form the antenna structure, and the antenna structure can also be formed by injection molding on the steel sheet. For the antenna structure, reference may be made to the above contents, which will not be repeated here.

In step 502, a first substrate and antenna structure are positioned within a mold. For the first substrate, reference may be made to the above content, and details are not repeated here.

In step 503 , a second substrate is formed by injection molding in a mold, wherein the second substrate has a frame surrounding the periphery of the first substrate, and the antenna structure is formed on the outer surface of the periphery of the frame. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure can be improved. Wherein, for the second substrate, reference may be made to the above contents, and details are not repeated here.

After the first substrate, the second substrate and the antenna structure are fixedly connected to form the antenna assembly, the entire outer surface or peripheral edge can be polished. After the grinding treatment, it can be sprayed, and the paint can be sprayed to form a paint layer.

Please refer to FIG. 20 . FIG. 20 is another schematic flowchart of the manufacturing method of the antenna assembly provided by the embodiment of the present application. Please refer to Figures 1 to 14 together, the manufacturing method of the antenna assembly includes:

In step 601, the steel sheet and the plastic are fixedly connected to form an antenna structure. The unformed plastic can be bonded to the steel sheet to form the antenna structure, and the antenna structure can also be formed by injection molding on the steel sheet. For the antenna structure, reference may be made to the above contents, which will not be repeated here.

In step 602, a second substrate is formed by injection molding on the first substrate, and the second substrate has a frame surrounding the periphery of the first substrate. For the first substrate and the second substrate, reference may be made to the above content, which will not be repeated here.

In step 603, the antenna structure is fixed on the outer surface of the frame. The antenna structure and the frame can be dispensed with glue, so as to fix the antenna structure on the outer surface of the frame periphery. The clearance area of the antenna structure can be increased, and the strength of the radiation signal of the antenna structure can be improved.

After the first substrate, the second substrate and the antenna structure are fixedly connected to form the antenna assembly, the entire outer surface or peripheral edge can be polished. After the grinding treatment, it can be sprayed, and the paint can be sprayed to form a paint layer.

It can be seen that the antenna structure is installed in the groove of the frame to prevent the antenna structure from protruding from the peripheral surface of the frame, and the outer surface of the antenna structure can be arranged flush with the outer surface of the frame to reduce the possibility of damage to the antenna structure. At the same time, the antenna structure can be located on the outer surface of the periphery of the frame or inside the frame, that is, the outer surface or inside of the middle frame structure. The antenna structure is installed on the surface, and the headroom area of the antenna structure in this application is equivalent to increasing the space occupied by the frame in its thickness direction, that is, the application can increase the headroom area and improve the radiation signal performance of the antenna structure when the size of the electronic equipment is inconvenient. Strength, reducing the impact of other devices on the antenna structure.

The manufacturing method of the antenna assembly provided by the embodiment of the present application, the antenna assembly and the electronic equipment have been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the application. The description of the above embodiment is only for helping understand this application. At the same time, for those skilled in the art, based on the idea of this application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the application.

Claims (15)

1. a kind of production method of antenna module, which is characterized in that including：

Steel disc and plastic cement are fixedly connected to form antenna structure；

Injection molding forms second substrate on the first substrate, and the second substrate has the side for being looped around the first substrate periphery Frame；

The antenna structure is fixed on frame periphery outer surface.

2. the production method of antenna module according to claim 1, which is characterized in that described to fix the antenna structure The frame periphery outer surface the step of, specifically include：

The antenna structure and frame are subjected to dispensing processing, the antenna structure is fixed on the frame periphery appearance Face.

3. the production method of antenna module according to claim 1, which is characterized in that described fix steel disc and plastic cement connects After connecing the step of forming antenna structure, the production method of the antenna module further includes：

The antenna structure is subjected to grinding process.

4. the production method of antenna module according to claim 3, which is characterized in that described to carry out the antenna structure After the step of grinding process, the production method of the antenna module further includes：

Antenna structure after grinding process is subjected to spray treatment.

5. the production method of antenna module according to claim 1, which is characterized in that described fix steel disc and plastic cement connects The step of forming antenna structure is connect, including：

It is bonded plastic cement on steel disc and forms antenna structure.

6. the production method of antenna module according to claim 1, which is characterized in that described fix steel disc and plastic cement connects The step of forming antenna structure is connect, including：

Steel disc is positioned；

Injection molding forms antenna structure on the steel disc.

7. the production method of antenna module according to claim 1, which is characterized in that the plastic cement is formed in the steel disc Surface.

8. the production method of antenna module according to claim 7, which is characterized in that the plastic cement is formed in the steel disc Periphery.

9. the production method of antenna module according to claim 1, which is characterized in that the steel disc inner surface is at least partly It is exposed outside.

10. the production method of antenna module according to claim 1, which is characterized in that the steel disc inner surface at least portion It is point exposed outside.

11. the production method of antenna module according to claim 1, which is characterized in that the thickness of the steel disc is 0.15mm-0.2mm。

12. the production method of antenna module according to claim 1, which is characterized in that described to be molded on the first substrate After the step of forming second substrate, the production method of the antenna module further includes：

Grinding process is carried out to the frame outer surface.

13. the production method of antenna module according to claim 12, which is characterized in that described to the frame outer surface After the step of carrying out grinding process, the production method of the antenna module further includes：

Spray treatment is carried out to polishing treated frame outer surface.

14. a kind of antenna module, which is characterized in that the antenna module uses the system of claim 1 to 13 antenna module It is made as method.

15. a kind of electronic equipment, which is characterized in that the electronic equipment includes antenna module and control circuit, the antenna sets Part is the antenna module described in claim 14, the control circuit and antenna structure coupling.