Housing assembly and electronic device

Abstract

The present disclosure relates to a shell assembly and an electronic device, wherein the shell assembly comprises a camera decoration piece, the camera decoration piece comprises an annular decoration piece made of a metal material piece, and a feed point and at least two grounding points are arranged on the annular decoration piece in a spaced manner, the at least two grounding points comprise a first grounding point and a second grounding point, the annular decoration piece between the feed point and the first grounding point is used for radiating an antenna signal of a first frequency band, and the annular decoration piece between the feed point and the second grounding point is used for radiating an antenna signal of a second frequency band. In this way, the camera decoration piece can radiate antenna signals of two frequency bands, thereby further improving the utilization rate of the camera decoration piece and also facilitating the improvement of the antenna performance of the electronic device.

Description

Technical Field

[0001] This disclosure relates to the field of electronic devices, and more particularly to a housing assembly and an electronic device. Background Technology

[0002] Currently, to improve the space utilization of electronic devices, related technologies use camera decorative elements on electronic devices as antenna radiators. However, the above method suffers from poor utilization of the camera decorative elements. Summary of the Invention

[0003] To overcome the problems existing in the related technologies, this disclosure provides a housing assembly and an electronic device.

[0004] According to a first aspect of this disclosure, a housing assembly is provided, the housing assembly including a camera trim, the camera trim including an annular trim made of metal, the annular trim having a feed point and at least two ground points spaced apart, the at least two ground points including a first ground point and a second ground point, the annular trim between the feed point and the first ground point being used to radiate an antenna signal of a first frequency band, and the annular trim between the feed point and the second ground point being used to radiate an antenna signal of a second frequency band.

[0005] In some embodiments of this disclosure, the annular decorative element includes a first segment, a second segment, and a third segment connected together, with the first grounding point located in the first segment, the second grounding point located in the third segment, and the power supply point located in the second segment.

[0006] In some embodiments of this disclosure, the angle between the two endpoints of the second segment and the center line of the annular decorative element is greater than or equal to 180 degrees; the angle between the two endpoints of the first segment and the center line of the annular decorative element is less than or equal to 30 degrees; the angle between the two endpoints of the third segment and the center line of the annular decorative element is less than or equal to 30 degrees; and the angle between the endpoints of the first segment and the endpoints of the third segment away from the second segment and the center line of the annular decorative element is less than or equal to 240 degrees.

[0007] In some embodiments of this disclosure, the power supply point is located at the midpoint of the second segment.

[0008] In some embodiments of this disclosure, the line connecting the power supply point and the first grounding point to the center of the annular decorative element forms a first angle, and the line connecting the power supply point and the second grounding point to the center of the annular decorative element forms a second angle. The first angle is smaller than the second angle, and the first angle is less than or equal to 60 degrees; or, the second angle is smaller than the first angle, and the second angle is less than or equal to 60 degrees.

[0009] In some embodiments of this disclosure, the housing further includes a mid-frame, the camera decorative element is disposed on the outside of the mid-frame, the mid-frame includes a top short border, the annular decorative element further includes a fourth segment, one end of the fourth segment is connected to the first segment, the other end of the fourth segment is connected to the third segment, and the fourth segment is located between the second segment and the top short border.

[0010] In some embodiments of this disclosure, the top short frame constitutes at least one antenna radiator, and at least one grounding point further includes at least one third grounding point, with the at least one third grounding point distributed in the fourth segment.

[0011] In some embodiments of this disclosure, a third grounding point is provided on the fourth segment, and the third grounding point is located at the midpoint of the fourth segment; or, two third grounding points are provided at intervals on the fourth segment, and along the extending direction of the annular decorative member, the distance between the first grounding point and the first third grounding point, the distance between the first third grounding point and the second third grounding point, and the distance between the second grounding point and the second grounding point are equal.

[0012] In some embodiments of this disclosure, the housing assembly further includes: a matching circuit connected to the feed point, the matching circuit being configured to position the impedances of the first frequency band and the second frequency band in the first quadrant of a Smith chart; and at least one tuning device cooperating with the matching circuit to position the impedances of the first frequency band and the second frequency band at the matching point position of the Smith chart.

[0013] In some embodiments of this disclosure, the matching circuit includes: an inductor, a first end of which is connected to the feed point, and a second end of which is connected to the radio frequency (RF) terminal; a first capacitor connected in parallel with the inductor, the parameters of the first capacitor and the inductor being configured to place the impedances of the first frequency band and the second frequency band in the first quadrant of the Smith chart; wherein at least one of the tuning devices includes a second capacitor connected in series between the inductor and the RF terminal, the parameters of which are configured to place the impedances in the first quadrant at the matching point position on the Smith chart.

[0014] In some embodiments of this disclosure, at least one of the tuning devices further includes: a third capacitor, the first terminal of which is connected in parallel between the feed point and the inductor, and the second terminal of which is grounded; and a fourth capacitor, the first terminal of which is connected in parallel between the second capacitor and the radio frequency terminal, and the second terminal of which is grounded.

[0015] In some embodiments of this disclosure, one of the first frequency band and the second frequency band is the GPS L1 frequency band; the other of the first frequency band and the second frequency band is the GPS L5 frequency band.

[0016] In some embodiments of this disclosure, the annular decorative element has a circular structure.

[0017] According to a second aspect of this disclosure, an electronic device is provided, the electronic device including a housing assembly as described in the first aspect.

[0018] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects:

[0019] The housing assembly disclosed herein includes a camera trim piece with an annular decorative component made of metal. The annular decorative component has a feed point and at least two grounding points spaced apart. The annular decorative component between the feed point and a first grounding point radiates an antenna signal in a first frequency band, while the annular decorative component between the feed point and a second grounding point radiates an antenna signal in a second frequency band. This enables the camera trim piece to radiate dual-band antenna signals, thereby further improving the utilization rate of the camera trim piece and also enhancing the antenna performance of the electronic device.

[0020] 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

[0021] 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.

[0022] Figure 1 This is a schematic diagram of the structure of a housing assembly according to an exemplary embodiment;

[0023] Figure 2 This is a schematic diagram of the structure of a housing assembly according to another exemplary embodiment;

[0024] Figure 3 This is a schematic diagram of the structure of the housing assembly according to yet another exemplary embodiment;

[0025] Figure 4 This is a schematic diagram of a Smith chart according to an exemplary embodiment;

[0026] Figure 5 This is a schematic diagram of the structure of a matching circuit according to an exemplary embodiment;

[0027] Figure 6This is a schematic diagram of a housing assembly having a third grounding point, according to an exemplary embodiment.

[0028] Figure 7 This is a schematic diagram of a housing assembly having a third grounding point, according to another exemplary embodiment.

[0029] Figure 8 This is an S-parameter diagram of the antenna performance of a housing assembly illustrated according to an exemplary embodiment;

[0030] Figure 9 This is an antenna efficiency diagram of a housing assembly illustrated according to an exemplary embodiment.

[0031] In the picture:

[0032] 1-Housing assembly; 11-Middle frame; 111-Top short bezel; 12-Ring decorative piece; 121-First segment; 122-Second segment; 123-Third segment; 124-Fourth segment; 13-First grounding point; 14-Second grounding point; 15-Feed point; 16-Third grounding point; 171-First capacitor; 172-Inductor; 181-Second capacitor; 182-Third capacitor; 183-Fourth capacitor; 19-RF terminal. Detailed Implementation

[0033] 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.

[0034] To improve the space utilization of electronic devices, related technologies often use camera decorative elements as antenna radiators. However, this approach suffers from poor utilization of the camera decorative elements. For example, in related technologies, the camera decorative element can only be used as a single-frequency antenna, and dual-band signal transmission and reception cannot be achieved, resulting in poor utilization of the camera decorative element.

[0035] To address the aforementioned technical issues, this disclosure provides a housing assembly. The annular decorative component of the camera trim is made of metal. Feed points and at least two ground points are spaced apart on the annular decorative component. The annular decorative component between the feed point and a first ground point radiates an antenna signal in a first frequency band, while the annular decorative component between the feed point and a second ground point radiates an antenna signal in a second frequency band. This enables the camera trim to radiate dual-band antenna signals, thereby further improving the utilization rate of the camera trim and enhancing the antenna performance of the electronic device.

[0036] An exemplary embodiment of this disclosure provides a housing assembly, such as Figure 1 As shown, the housing assembly 1 includes a camera decorative element, which includes an annular decorative element 12 made of metal. The annular decorative element 12 is conductive. It is understood that the annular decorative element 12 refers to a ring-shaped decorative element, which can be, for example, a frame or a circular shape, and is not limited thereto. The camera decorative element also includes a support member, which can be, for example, a plate-like structure. The support member is disposed within the annular decorative element 12 so that the annular decorative element 12 surrounds the perimeter of the support member, thus serving a decorative function. The support member has at least one mounting hole for mounting the camera. The support member can be made of metal or an insulating material. The insulating material can be, for example, a plastic structure. When the support member is made of metal, the support member and the annular decorative element 12 are separated by an insulating material to prevent the support member from affecting the antenna frequency band on the annular decorative element 12.

[0037] The annular decorative element 12 is provided with a power supply point 15 and at least two grounding points at intervals. For example, only two grounding points can be provided on the annular decorative element 12, or more than two grounding points can be provided, such as three or four.

[0038] At least two grounding points are included, including a first grounding point 13 and a second grounding point 14. When power is supplied to the feed point 15, the annular decorative element 12 between the feed point 15 and the first grounding point 13 can radiate antenna signals of the first frequency band, and the annular decorative element 12 between the feed point 15 and the second grounding point 14 can radiate antenna signals of the second frequency band. This design, on the one hand, enables the camera decorative element to radiate dual-band antenna signals, thereby further improving the utilization rate of the camera decorative element while reducing the number of antennas on the frame of the electronic device, avoiding excessive interference caused by too many frame antennas, and thus improving the antenna performance of the electronic device. On the other hand, the method of enabling the camera decorative element to radiate dual-band signals using the housing assembly 1 in this embodiment, compared to the method of creating two antenna radiators by opening a slit in the annular decorative element 12, ensures the integrity of the annular decorative element 12, thereby improving the appearance and refinement of the camera decorative element and enhancing the user experience.

[0039] Combination Figure 2 In one embodiment, the annular decorative element 12 includes a first segment 121, a second segment 122, and a third segment 123 connected together, i.e., one end of the second segment 122 is connected to the first segment 121, and the other end of the second segment 122 is connected to the third segment 123. Exemplarily, the first segment 121, the second segment 122, and the third segment 123 can be integrally formed or connected together by welding or other methods. A first grounding point 13 is located in the first segment 121, a second grounding point 14 is located in the third segment 123, and a power supply point 15 is located in the second segment 122. This arrangement, by defining the relative positions of the first grounding point 13, the second grounding point 14, and the power supply point 15, helps to improve the radiation performance of the first and second frequency bands.

[0040] Combination Figure 2 In one embodiment, the angle α between the two endpoints of the second segment 122 and the center of the annular decorative element 12 is greater than or equal to 180 degrees, the angle b between the two endpoints of the first segment 121 and the center of the annular decorative element 12 is less than or equal to 30 degrees, the angle c between the two endpoints of the third segment 123 and the center of the annular decorative element 12 is less than or equal to 30 degrees, and the angle d between the endpoints of the first segment 121 and the endpoints of the third segment 123 that are away from the second segment 122 and the center of the annular decorative element 12 is less than or equal to 240 degrees.

[0041] The positions of the first grounding point 13 and the second grounding point 14 can be such that the angle between the line connecting the first grounding point 13 and the second grounding point 14 and the center of the annular decorative element 12 is 180 degrees, or the positions of the first grounding point 13 and the second grounding point 14 can be offset from the 180-degree angle towards the second segment 122 within a range of less than or equal to 30 degrees. The feed point 15 is located on the second segment 122. This design helps to ensure that the impedance of the first and second frequency bands is at a preset position on the Smith chart, thereby improving the performance of the first and second frequency bands.

[0042] Combination Figure 2 In one embodiment, the feed point 15 is located at the midpoint of the second segment 122. If it is inconvenient to place the feed point 15 at the midpoint of the second segment 122, then... Figure 3 In another embodiment, the line connecting the power supply point 15 and the first grounding point 13 to the center of the annular decorative element 12 forms a first included angle e, and the line connecting the power supply point 15 and the second grounding point 14 to the center of the annular decorative element 12 forms a second included angle f. The first included angle e is less than the second included angle f, and the first included angle e is less than or equal to 60 degrees; or, the second included angle f is less than the first included angle e, and the second included angle f is greater than or equal to 60 degrees.

[0043] That is, the angle between the line connecting the feed point 15 and the nearest of the first grounding point 13 and the second grounding point 14 and the center of the annular decorative piece 12 should not exceed 60 degrees. This design helps to ensure that the impedance of the first and second frequency bands is at the preset position on the Smith chart, thereby improving the performance of the first and second frequency bands.

[0044] Combination Figure 2 and Figure 3 In one embodiment, the housing further includes a middle frame 11, with the camera decorative element disposed on the outer side of the middle frame 11. The middle frame 11 includes a top short frame 111. The annular decorative element 12 also includes a fourth segment 124, one end of which is connected to the first segment 121, and the other end of which is connected to the third segment 123, thus forming a closed annular structure. Exemplarily, the first segment 121, the second segment 122, the third segment 123, and the fourth segment 124 can be integrally formed, or they can be connected together by welding or other means. The fourth segment 124 is located between the second segment 122 and the top short frame 111.

[0045] The positions of the first grounding point 13 and the second grounding point 14 can be such that the angle between the line connecting the first grounding point 13 and the second grounding point 14 and the center of the annular decorative element 12 can be 180 degrees, or the positions of the first grounding point 13 and the second grounding point 14 can be offset from the 180-degree angle in a direction away from the second segment 122 within a range of less than or equal to 30 degrees. The power supply point 15 is located on the second segment 122.

[0046] The power supply point 15 is located at the midpoint of the second segment 122, or the angle between the line connecting the power supply point 15 and the nearest grounding point between the first grounding point 13 and the second grounding point 14 and the center of the annular decorative piece 12 shall not exceed 60 degrees.

[0047] At this point, the first and second frequency bands are positioned at their preset locations on the Smith chart, i.e., combined with... Figure 4 As shown, the first frequency band can be, for example, the GPS L5 band (frequency of 1.175 GHz), and the second frequency band can be, for example, the GPS L1 band (frequency of 1.575 GHz). By setting the positions of the above-mentioned power supply point 15, the first grounding point 13, and the second grounding point 14, the impedance of the first frequency band can be located in the first quadrant of the Smith chart and close to the admittance circle of the open circuit position of the Smith chart, while the impedance of the second frequency band is located in the fourth quadrant.

[0048] This design allows the annular decorative element 12 to receive antenna signals from two frequency bands simultaneously, and ensures that the impedances of the first and second frequency bands are at the preset positions on the Smith chart.

[0049] To improve antenna performance in the first and second frequency bands, in one embodiment, combining Figure 4 and Figure 5 The housing assembly 1 also includes a matching circuit and at least one tuning device. Exemplarily, only one tuning device may be provided, or multiple tuning devices may be provided as needed, such as two, three, or four. The matching circuit is connected to the feed point 15 and is used to ensure that the impedances of the first and second frequency bands are in the first quadrant of the Smith chart. At least one tuning device cooperates with the matching circuit to ensure that the impedances of the first and second frequency bands are at the matching point on the Smith chart, i.e., at 50 ohms. Since 50 ohms is the port standard for the RF end, adjusting the impedances of the first and second frequency bands to 50 ohms ensures good matching between the first and second frequency bands and the RF end 19, achieving a balance between maximum power transmission and minimum loss, thereby effectively improving the antenna performance of the first and second frequency bands.

[0050] Combination Figure 4 and Figure 5In one embodiment, the matching circuit includes an inductor 172 and a first capacitor 171. A first terminal of the inductor 172 is connected to a feed point 15, and a second terminal of the inductor 172 is connected to an RF terminal 19. The first capacitor 171 is connected in parallel with the inductor 172, and the parameters of the first capacitor 171 and the inductor 172 are used to align the impedances of the first and second frequency bands to the first quadrant of a Smith chart. Exemplarily, the parameter values ​​of the first capacitor 171 and the inductor 172 can be obtained through testing. For example, a value of 3.3pH for the first capacitor 171 and a value of 2.6nH for the inductor 172 can align the impedances of the first and second frequency bands to the first quadrant of a Smith chart. At least one tuning device includes a second capacitor 181 connected in series between the inductor 172 and the RF terminal 19. After the impedance of the first inductor 172 and the second inductor 172 is redirected to the first quadrant of the Smith chart through the matching circuit, the impedance in the first quadrant is redirected to the matching point position on the Smith chart, i.e., the 50-ohm position, through the parameters of the second capacitor 181. This design simplifies the adjustment of the performance of the first and second frequency bands and improves the efficiency of antenna performance adjustment for the first and second frequency bands.

[0051] Additional tuning devices can be added as needed to adjust the first and second frequency bands. Figure 4 and Figure 5 In one embodiment, at least one tuning device further includes a third capacitor 182 and a fourth capacitor 183. The first terminal of the third capacitor 182 is connected in parallel between the feed point 15 and the inductor 172, and the second terminal of the third capacitor 182 is grounded. The third capacitor 182 is used to bring the impedance of the first and second frequency bands onto the 50-ohm admittance circle. The matching circuit is used to steer the impedance of the first and second frequency bands along the 50-ohm admittance circle to the first quadrant of the Smith chart. The first terminal of the fourth capacitor 183 is connected in parallel between the second capacitor 181 and the RF terminal 19, and the second terminal of the fourth capacitor 183 is grounded.

[0052] In this embodiment, based on the positions of the first grounding point 13, the second grounding point 14, and the feed point 15, the annular decorative piece 12 simultaneously receives antenna signals from two frequency bands, and the impedance of the first frequency band is located in the first quadrant of the Smith chart and close to the admittance circle of the open circuit position of the Smith chart, while the impedance of the second frequency band is located in the fourth quadrant.

[0053] Based on this, the impedance of the first and second frequency bands is first adjusted by the parameters of the third capacitor 182, for example, by shifting the position of the impedance of the first and second frequency bands downwards on the Smith chart. Then, by adjusting the parameters of the inductor 172 and the first capacitor 171 in the matching circuit, the impedance of the first and second frequency bands is redirected to the first quadrant of the Smith chart, placing them on the 50-ohm admittance circle. Next, the parameters of the second capacitor 181 are used to redirect the impedance of the first and second frequency bands to the matching point position on the Smith chart. Finally, the parameters of the fourth capacitor 183 are used to ensure that the impedance of the first and second frequency bands is at the exact center of the Smith chart, i.e., at the 50-ohm position coinciding with the matching point. For example, the inductor 172 has a value of 2.6nH, the first capacitor 171 has a value of 3.3pF, the second capacitor 181 has a value of 1.1pF, the third capacitor 182 has a value of 0.6pF, and the fourth capacitor 183 has a value of 1pF.

[0054] Using the above-described setup, combined with Figure 8 and Figure 9 This allows the performance of the first and second frequency bands to be at their optimal state, enabling the camera trim to radiate high-performance dual-band antenna signals. This further improves the antenna performance of electronic devices and enhances the user experience.

[0055] Combination Figure 6 In one embodiment, the top short frame 111 constitutes at least one antenna radiator. Exemplarily, the top short frame 111 may constitute only one antenna radiator or multiple antenna radiators, such as two, three, or four. At least one grounding point also includes at least one third grounding point 16, which is distributed across the fourth segment 124. Exemplarily, only one third grounding point 16 may be provided on the fourth segment 124, or multiple third grounding points 16 may be provided. The third grounding point 16 grounds the annular decorative element 12, preventing the metal annular decorative element 12 from affecting the antenna radiators on the top short frame 111, and avoiding radiated spurious emission (RSE) and electrostatic discharge problems, thereby further improving the antenna performance of the electronic device.

[0056] In one embodiment, combined with Figure 6 When only one third grounding point 16 is set on the fourth segment 124, the third grounding point 16 is located at the middle point of the fourth segment 124. Combined with... Figure 7When two third grounding points 16 are spaced apart on the fourth segment 124, the distances between the first grounding point 13 and the first third grounding point 16, the distances between the first third grounding point 16 and the second third grounding point 16, and the distances between the second grounding point and the second grounding point 14 are equal along the extending direction of the annular decorative element 12. This arrangement effectively reduces the influence between the antenna frequency band on the annular decorative element 12 and the antenna radiator on the top short frame 111. Tests show that this arrangement achieves an isolation greater than -18dB between the annular decorative element 12 and the antenna radiator on the top short frame 111, minimizing mutual interference and further improving the antenna performance of the electronic device.

[0057] In one embodiment, one of the first and second frequency bands is the GPS L1 band (frequency 1.575 GHz), and the other of the first and second frequency bands is the GPS L5 band (frequency 1.175 GHz). Thus, combining 8 and... Figure 9 High-performance dual GPS antennas are achieved by utilizing camera trim, which can effectively improve the navigation accuracy of electronic devices.

[0058] In one embodiment, combined with Figure 1 The annular decorative element 12 has a circular structure. This design not only enhances the aesthetics of the electronic device but also improves the antenna performance of the antenna band on the camera decorative element.

[0059] An exemplary embodiment of this disclosure provides an electronic device, which may be a mobile device such as a mobile phone, tablet computer, laptop computer, handheld computer, in-vehicle electronic device, wearable device, ultra-mobile personal computer (UMPC), netbook, or personal digital assistant (PDA), or a non-mobile device such as a personal computer (PC), television (TV), ATM, or self-service machine.

[0060] The electronic device includes the housing assembly 1 as described above. (Combined) Figure 1The housing assembly 1 includes a camera decorative element, which includes an annular decorative element 12 made of metal. The annular decorative element 12 has a feed point 15 and at least two grounding points spaced apart. The at least two grounding points include a first grounding point 13 and a second grounding point 14. When power is supplied to the feed point 15, the annular decorative element 12 between the feed point 15 and the first grounding point 13 can radiate antenna signals in a first frequency band, and the annular decorative element 12 between the feed point 15 and the second grounding point 14 can radiate antenna signals in a second frequency band.

[0061] This design, on the one hand, enables the camera decorative piece to radiate dual-band antenna signals, thereby further improving the utilization rate of the camera decorative piece while reducing the number of antennas on the frame of the electronic device. This avoids interference caused by an excessive number of frame antennas, thus improving the antenna performance of the electronic device. On the other hand, the method of enabling the camera decorative piece to radiate dual-band signals using the housing component 1 in this embodiment, compared to the method of creating two antenna radiators by opening a slit in the annular decorative piece 12, ensures the integrity of the annular decorative piece 12, thereby improving the appearance and refinement of the camera decorative piece and enhancing the user experience.

[0062] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application 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.

[0063] 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. A housing assembly, characterized in that, The housing assembly includes a camera decorative element, which includes an annular decorative element made of metal. The annular decorative element has a feed point and at least two ground points spaced apart. The at least two ground points include a first ground point and a second ground point. The annular decorative element between the feed point and the first ground point is used to radiate antenna signals of a first frequency band, and the annular decorative element between the feed point and the second ground point is used to radiate antenna signals of a second frequency band.

2. The housing assembly according to claim 1, characterized in that, The ring-shaped decorative element includes a first segment, a second segment, and a third segment connected together. The first grounding point is located in the first segment, the second grounding point is located in the third segment, and the power supply point is located in the second segment.

3. The housing assembly according to claim 2, characterized in that, The angle between the two endpoints of the second segment and the center of the ring-shaped decorative element is greater than or equal to 180 degrees. The angle between the two endpoints of the first segment and the center of the annular decorative element is less than or equal to 30 degrees. The angle between the two endpoints of the third segment and the center of the ring-shaped decorative element is less than or equal to 30 degrees. The angle between the endpoint of the first segment away from the endpoint of the second segment and the endpoint of the third segment away from the endpoint of the second segment and the center line of the annular decorative element is less than or equal to 240 degrees.

4. The housing assembly according to claim 2, characterized in that, The power supply point is located at the midpoint of the second segment.

5. The housing assembly according to claim 2, characterized in that, The line connecting the power supply point and the first grounding point to the center of the annular decorative element forms a first angle, and the line connecting the power supply point and the second grounding point to the center of the annular decorative element forms a second angle. The first angle is smaller than the second angle, and the first angle is less than or equal to 60 degrees, or the second angle is smaller than the first angle, and the second angle is less than or equal to 60 degrees.

6. The housing assembly according to claim 2, characterized in that, The housing also includes a middle frame, and the camera decorative piece is disposed on the outside of the middle frame. The middle frame includes a top short frame, and the annular decorative piece also includes a fourth segment. One end of the fourth segment is connected to the first segment, and the other end of the fourth segment is connected to the third segment. The fourth segment is located between the second segment and the top short frame.

7. The housing assembly according to claim 6, characterized in that, The top short frame constitutes at least one antenna radiator, and the at least one grounding point also includes at least one third grounding point, which is distributed in the fourth segment.

8. The housing assembly according to claim 7, characterized in that, A third grounding point is provided on the fourth segment, and the third grounding point is located at the midpoint of the fourth segment; or, Two third grounding points are spaced apart on the fourth segment, and the distance between the first grounding point and the first third grounding point, the distance between the first third grounding point and the second third grounding point, and the distance between the second grounding point and the second grounding point are equal along the extension direction of the annular decorative piece.

9. The housing assembly according to any one of claims 1 to 8, characterized in that, The housing assembly also includes: A matching circuit, connected to the feed point, is used to ensure that the impedances of the first frequency band and the second frequency band are in the first quadrant of the Smith chart. At least one tuning device is provided to cooperate with the matching circuit so that the impedances of the first frequency band and the second frequency band are at the matching point position on the Smith chart.

10. The housing assembly according to claim 9, characterized in that, The matching circuit includes: An inductor, wherein the first end of the inductor is connected to the feed point, and the second end of the inductor is connected to the radio frequency terminal; A first capacitor is connected in parallel with the inductor, and the parameters of the first capacitor and the inductor are used to make the impedance of the first frequency band and the second frequency band in the first quadrant of the Smith chart. At least one of the tuning devices includes a second capacitor connected in series between the inductor and the radio frequency terminal, the parameters of which are used to position the impedance in the first quadrant at the matching point on the Smith chart.

11. The housing assembly according to claim 10, characterized in that, At least one of the tuning devices further includes: The third capacitor has its first terminal connected in parallel between the feed point and the inductor, and its second terminal grounded. A fourth capacitor, the first end of which is connected in parallel between the second capacitor and the radio frequency terminal, and the second end of which is grounded.

12. The housing assembly according to any one of claims 1 to 8, characterized in that, One of the first frequency band and the second frequency band is the GPS L1 frequency band; the other of the first frequency band and the second frequency band is the GPS L5 frequency band.

13. The housing assembly according to any one of claims 1 to 8, characterized in that, The ring-shaped decorative element has a circular structure.

14. An electronic device, characterized in that, The electronic device includes a housing assembly as described in any one of claims 1 to 13.

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