Electronic device

By forming a receiving slot on the circuit board and using metal locking parts and connectors to fix the radiator, the problem of limited internal space in electronic devices is solved, thereby improving antenna efficiency and communication performance.

CN114976581BActive Publication Date: 2026-03-27BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-24
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Limited internal space in electronic devices makes it difficult to configure antenna clearance areas, which affects communication efficiency.

Method used

A receiving groove is formed on the circuit board, the mating part of the radiator extends into the receiving groove, and the radiator is fixedly connected to the circuit board and electrically conductive through metal locking parts and connectors, thereby reducing the space occupied in the thickness direction.

Benefits of technology

It increases the clearance area of ​​the radiator, improves antenna efficiency, and enhances communication performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure relates to an electronic device. The electronic device includes a circuit board including a receiving groove recessed inward from an edge; a radiator including a fitting portion protruding into the receiving groove; a display panel stacked with the circuit board in a thickness direction of the electronic device; a connecting member connected with the circuit board; and a metal locking member penetrating in the thickness direction of the electronic device to lock the connecting member and the fitting portion, and to electrically connect the circuit board and the radiator.
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Description

Technical Field

[0001] This disclosure relates to the field of terminal technology, and more particularly to an electronic device. Background Technology

[0002] With the development of data communication technology, in order to broaden the frequency coverage of electronic devices, more and more antennas are usually configured inside the electronic devices. However, the internal space of electronic devices is limited, which makes it difficult to configure the required clearance area for the antennas. In fact, the efficiency of the antennas may be affected and the communication effect may be affected if the clearance area is too small. Summary of the Invention

[0003] This disclosure provides an electronic device to address the shortcomings of the related art.

[0004] According to embodiments of this disclosure, an electronic device is provided, comprising:

[0005] A circuit board, the circuit board including a receiving groove recessed inward from the edge;

[0006] A radiator, the radiator including a mating part extending into the receiving groove;

[0007] The display panel and the circuit board are stacked together along the thickness direction of the electronic device;

[0008] A connector, which is connected to the circuit board;

[0009] A metal locking element is provided, which passes through the thickness direction of the electronic device to lock the connector and the mating part, and to conduct electricity between the circuit board and the radiator.

[0010] Optionally, the circuit board includes a first mounting portion disposed near the receiving groove;

[0011] The connector includes a connecting body and a second mounting part connected to the connecting body. The second mounting part is connected to the first mounting part, and the connecting body is connected to the metal locking member.

[0012] Optionally, the first mounting portion includes a mounting groove, and the second mounting portion includes a bracket extending into the mounting groove, the bracket extending into the mounting groove and soldered to the circuit board.

[0013] Optionally, the metal locking member is threadedly connected to the mating part.

[0014] Optionally, the minimum distance between the metal locking member and the display panel is greater than or equal to the minimum distance between the mating part and the display panel.

[0015] Optionally, the electronic device includes a metal frame, a portion of which is the radiator.

[0016] Optionally, the metal frame includes a first side edge, a second side edge, and an antenna slot formed between the first side edge and the second side edge, wherein the first side edge is disposed near the top of the electronic device and the first side edge is the radiator.

[0017] Optionally, the first side edge extends toward the interior of the electronic device to form a protrusion, the protrusion being the mating part.

[0018] Optionally, at least a portion of the inner wall of the receiving groove is arranged in an arc shape.

[0019] Optionally, the metal locking element may include a metal screw or a metal bolt.

[0020] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0021] As can be seen from the above embodiments, this disclosure forms a receiving groove on the circuit board and sets the mating part of the radiator in the receiving groove. The metal locking member and connector realize the fixed connection and electrical conduction between the radiator and the circuit board. Compared with the scheme of stacking the circuit board and the radiator along the thickness direction of the electronic device, the height occupied by the radiator and the circuit board in the thickness direction of the electronic device can be reduced. This is beneficial to increase the spacing between the display panel and the radiator in the thickness direction of the electronic device, increase the clear area of ​​the radiator, and improve the antenna efficiency.

[0022] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0023] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0024] Figure 1 This is a schematic diagram of the structure of an electronic device according to an exemplary embodiment.

[0025] Figure 2 This is a partial cross-sectional schematic diagram of an electronic device according to an exemplary embodiment.

[0026] Figure 3 This is a graph comparing antenna efficiency curves according to an exemplary embodiment.

[0027] Figure 4 This is a schematic diagram illustrating the assembly of a radiator and a circuit board according to an exemplary embodiment.

[0028] Figure 5 This is a schematic diagram of the structure of a connector according to an exemplary embodiment.

[0029] Figure 6 This is a partial schematic diagram of an electronic device according to an exemplary embodiment. Detailed Implementation

[0030] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this disclosure as detailed in the appended claims.

[0031] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms “a,” “the,” and “the” as used in this disclosure and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

[0032] It should be understood that although the terms first, second, third, etc., may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are used only to distinguish information of the same type from one another. For example, without departing from the scope of this disclosure, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to determination."

[0033] Figure 1 This is a schematic diagram illustrating the structure of an electronic device 100 according to an exemplary embodiment. Figure 2 This is a partial cross-sectional schematic diagram of an electronic device 100 according to an exemplary embodiment. For example... Figure 1 and Figure 2As shown, the electronic device 100 may include a circuit board 1, a radiator 2, a display panel 3, a connector 4, and a metal locking member 5. The radiator 2 can be electrically fed to the circuit board 1 to realize the transmission and reception of antenna signals. The antenna efficiency of the radiator 2 is related to the size of the clearance area of ​​the radiator 2. The circuit board 1 is located inside the housing of the electronic device 100. The display panel 3 can be assembled with the housing, and the circuit board 1 and the display panel 3 are stacked along the thickness direction of the electronic device 100. To achieve electrical conduction between the circuit board 1 and the radiator 2, the circuit board 1 may include a receiving groove 11 recessed inward from the edge of the circuit board 1. The radiator 2 may include a mating part 21, which can extend into the receiving groove 11. The connector 4 is connected to the circuit board 1. The metal locking member 5 can pass through the connector 4 and the mating part 21 along the thickness direction of the electronic device 100, with its end facing the display panel 3. The metal locking member 5 can lock the connector 4 and the mating part 21, and can also electrically conduct the circuit board 1 and the radiator 2, realizing power supply between the circuit board 1 and the radiator 2. Figure 3 As shown, to improve the smoothness of assembly between the receiving groove 11 and the mating part 21, at least a portion of the inner wall of the receiving groove 11 can be arc-shaped, and a corresponding portion of the mating part 21 can also be arc-shaped. The arc-shaped inner wall guides the installation of the mating part 21, reducing the installation difficulty between the mating part 21 and the receiving groove 11. The metal locking member 5 can be threadedly connected to the mating part 21 for fixation. The metal locking member 5 can include metal screws, metal bolts, or other parts; this disclosure does not limit this. In other embodiments, the metal locking member 5 can also be interference-fitted to the mating part 21 to achieve a stable connection between the connecting member 4 and the mating part 21.

[0034] Based on this, by forming a receiving groove 11 on the circuit board 1 and placing the mating part 21 of the radiator 2 in the receiving groove 11, and achieving a fixed connection and electrical conduction between the radiator 2 and the circuit board 1 by the metal locking member 5 and the connector 4, compared with the scheme of stacking the circuit board 1 and the radiator 2 along the thickness direction of the electronic device 100, the height occupied by the radiator 2 and the circuit board 1 in the thickness direction of the electronic device 100 can be reduced. This is beneficial to increasing the spacing between the display panel 3 and the radiator 2 in the thickness direction of the electronic device 100, increasing the clearance area of ​​the radiator 2, and improving the antenna efficiency.

[0035] Based on the technical solution provided in this disclosure and the related technologies, the scheme of stacking circuit board 1 and radiator 2 is obtained. Figure 4The antenna efficiency curves shown are as follows: curve S1 represents the antenna efficiency curve of the present invention, and curve S2 represents the antenna efficiency curve of related technologies. It can be seen that in the radiation frequency range of 1GHz-3GHz, the antenna performance of the present invention can be improved by about 0.7dB compared with related technologies, while in the radiation frequency range of 3GHz-5GHz, the antenna performance of the present invention can be improved by about 1.5dB compared with related technologies.

[0036] Furthermore, in order to avoid the reduction in the clearance area of ​​the radiator 2 due to the metal locking member 5 being too close to the display panel 3, the minimum distance between the metal locking member 5 and the display panel 3 is greater than or equal to the minimum distance between the mating part 21 and the display panel 3. This ensures that the end face of the mating part 21 is closer to the display panel 3 than the end face of the metal locking member 5, preventing the antenna efficiency from being affected by the metal locking member 5 being too close to the display panel 3.

[0037] In embodiments of this disclosure, such as Figure 3 and Figure 5 As shown, the circuit board 1 may further include a first mounting portion 12 disposed near the receiving groove 11. The connector 4 may include a connecting body 41 and a second mounting portion 42 connected to the connecting body 41. The second mounting portion 42 may be connected to the first mounting portion 12, and the connecting body 41 may be connected to the metal locking member 5. This allows for a fixed connection between the connector 4 and the circuit board 1, and the circuit board 1 can be locked when the metal locking member 5 locks the connector 4. In the embodiments provided in this disclosure, the first mounting portion 12 may include a mounting groove, and the second mounting portion 42 may include a bracket that can extend into the mounting groove and be soldered to the circuit board 1. In other embodiments, the bracket may also extend into the mounting groove and be snapped into the circuit board 1. In other embodiments, the connector 4 may also be fixedly connected to the circuit board 1 by bolts or screws, etc. This disclosure does not limit this.

[0038] In some embodiments, the radiator 2 may include a laser-shaped antenna; in other embodiments, such as... Figure 6As shown, the electronic device 100 may include a metal frame 6, a portion of which can act as a radiator to radiate antenna signals. Specifically, the metal frame 6 may include a first side edge 61, a second side edge 62, and an antenna slot 63 formed between the first side edge 61 and the second side edge 62. The first side edge 61 may be located near the top of the electronic device 100 and can act as a radiator. Here, the top of the electronic device 100 refers to the end of the electronic device 100 furthest from the charging interface; or, in other embodiments, if the electronic device 100 does not have a charging interface, the top of the electronic device 100 refers to the side of the electronic device 100 closer to the edge of the antenna slot 63 in the length or width direction. The first side edge 61 may extend toward the interior of the electronic device 100 to form a protrusion, which is a mating part 21, to mate with the receiving groove 11 on the circuit board 1. In this embodiment, a portion of the metal frame 6 is used as the radiator. Compared to using a laser-formed radiator, this reduces the space occupied inside the electronic device and facilitates the layout of internal components in the electronic device 100. In the technical solution of this disclosure, the electronic device 100 may include terminal devices such as mobile phones, tablets, wearable devices, and e-readers.

[0039] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the following claims.

[0040] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. An electronic device, characterized in that, include: A circuit board, the circuit board including a receiving groove recessed inward from the edge; A radiator, the radiator including a mating part extending into the receiving groove; The display panel and the circuit board are stacked together along the thickness direction of the electronic device; A connector, which is connected to the circuit board; A metal locking member is provided, which passes through the thickness direction of the electronic device to lock the connector and the mating part, and to conduct electricity between the circuit board and the radiator; the minimum distance between the metal locking member and the display panel is greater than or equal to the minimum distance between the mating part and the display panel.

2. The electronic device according to claim 1, characterized in that, The circuit board includes a first mounting portion disposed near the receiving slot; The connector includes a connecting body and a second mounting part connected to the connecting body. The second mounting part is connected to the first mounting part, and the connecting body is connected to the metal locking member.

3. The electronic device according to claim 2, characterized in that, The first mounting part includes a mounting groove, and the second mounting part includes a bracket extending into the mounting groove, the bracket extending into the mounting groove and being soldered to the circuit board.

4. The electronic device according to claim 1, characterized in that, The metal locking element is threadedly connected to the mating part.

5. The electronic device according to claim 1, characterized in that, The electronic device includes a metal frame, a portion of which is the radiator.

6. The electronic device according to claim 5, characterized in that, The metal frame includes a first side edge, a second side edge, and an antenna slot formed between the first side edge and the second side edge. The first side edge is located near the top of the electronic device and is the radiator.

7. The electronic device according to claim 6, characterized in that, The first side edge extends toward the interior of the electronic device to form a protrusion, which is the mating part.

8. The electronic device according to claim 1, characterized in that, At least a portion of the inner wall of the receiving groove is arc-shaped.

9. The electronic device according to claim 1, characterized in that, The metal locking element includes a metal screw or a metal bolt.

Citation Information

Patent Citations

  • Electronic device capable of improving antenna performance

    CN108023182A