Electronic device

Abstract

This application discloses an electronic device applied in the field of electronic technology. The electronic device includes: a resonator, a connector, a tuner, and a ground plane. The resonator is electrically connected to the ground plane in sequence through the connector and the tuner. The tuner is used to adjust the frequency band of the clutter generated by the resonator to be outside the operating frequency band of the antenna of the electronic device.

Description

Technical Field

[0001] This application belongs to the field of electronic technology, specifically relating to an electronic device. Background Technology

[0002] With the development of electronic technology, electronic devices have become increasingly important in people's lives, and people's requirements for these devices are also getting higher and higher. Current electronic devices typically need to support the radiation of signals across multiple frequency bands. However, because electronic devices contain many clutter resonators that easily radiate clutter, and the clutter frequencies tend to fall within the operating frequency band of the electronic device, the radiation performance of the electronic device is poor. Summary of the Invention

[0003] The purpose of this application is to provide an electronic device that can solve the problem of poor radiation performance of electronic devices.

[0004] This application provides an electronic device, including: a resonator, a connector, a tuner, and a ground plane. The resonator is electrically connected to the ground plane in sequence through the connector and the tuner. The tuner is used to adjust the frequency band of the clutter generated by the resonator to be outside the operating frequency band of the antenna of the electronic device.

[0005] In this embodiment, the resonator is electrically connected to the ground via a connector and a tuner in sequence. That is, the resonator can be grounded through the connector and the tuner. The tuner can be used to control the frequency band of the clutter generated by the resonator to be outside the operating frequency band of the antenna of the electronic device. This can achieve the effect of removing the clutter generated by the resonator from the operating frequency band of the antenna of the electronic device, thereby enhancing the radiation performance of the antenna of the electronic device. Attached Figure Description

[0006] Figure 1 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application;

[0007] Figure 2 This is a schematic diagram of the structure of another electronic device provided in an embodiment of this application;

[0008] Figure 3 This is provided by the embodiments of this application. Figure 2 Schematic diagram of the cross section of region F in the middle;

[0009] Figure 4 This is a schematic diagram of the structure of another electronic device provided in an embodiment of this application. Detailed Implementation

[0010] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0011] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0012] The electronic device provided in the embodiments of this application will be described in detail below with reference to the accompanying drawings and through specific embodiments and application scenarios.

[0013] See Figure 2 , Figure 2 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application, such as... Figure 2 As shown, the electronic device includes: a resonator 10, a connector 40, a tuner 30, and a ground plane 20. The resonator 10 is electrically connected to the ground plane 20 in sequence through the connector 40 and the tuner 30. The tuner 30 is used to adjust the frequency band of the clutter generated by the resonator 10 to be outside the operating frequency band of the antenna of the electronic device.

[0014] The working principle of the embodiments of this application can be found in the following description:

[0015] The resonator 10 is electrically connected to the ground 20 via the connector 40 and the tuner 30. This means the resonator 10 can be grounded through the connector 40 and the tuner 30. The tuner 30 can be used to adjust the frequency band of the clutter generated by the resonator 10 to be outside the operating frequency band of the electronic device's antenna. This effectively removes the clutter generated by the resonator 10 from the operating frequency band of the electronic device, thereby enhancing its radiation performance. In other words, the frequency band of the clutter generated by the resonator 10 does not overlap with the operating frequency band of the electronic device. This ensures that the operating frequency band of the electronic device is not interfered with by the clutter generated by the resonator 10, thus enhancing its radiation performance.

[0016] It should be noted that the operating frequency band of the electronic device in the embodiments of this application can be understood as the operating frequency band of the antenna set on the electronic device, and the radiation performance of the electronic device can also be understood as the radiation performance of the antenna.

[0017] It should be noted that the specific structure of the resonator 10 is not limited here. As an optional implementation, the resonator 10 includes at least one of a coaxial line, a flexible circuit board, a metal cavity with an opening, a grounded metal connector, and a reinforcing member.

[0018] Among them, flexible circuit boards can also be called flexible printed circuits (FPCs), metal cavities with openings can also be called semi-enclosed metal cavities or semi-enclosed metal cavities, grounded metal connectors can also be called grounded metal structural components, and reinforcing components can also be called reinforcing metal components or reinforcing steel sheets, etc.

[0019] In this embodiment, since the electronic device includes a variety of resonators 10, which may include at least one of coaxial cable, flexible circuit board, metal cavity with opening, grounded metal connector and reinforcing member, each of the above resonators 10 can be arranged according to the structure of the resonator 10 in the above embodiment, thereby reducing the impact of the clutter generated by the above multiple resonators 10 on the working frequency band of the antenna, and further improving the radiation effect of the antenna.

[0020] To more clearly illustrate the embodiments of this application, the resonator 10 is illustrated by way of including a coaxial line. The content of the embodiments of this application is only for more clearly illustrating the solution of the embodiments of this application and does not constitute a specific limitation on the embodiments of this application. Other types of resonators 10 can refer to the structural settings of the coaxial line in the embodiments of this application, and will not be described in detail here.

[0021] When the resonator 10 includes a coaxial line, the coaxial line may include a housing, a transmission line, and a metal grounding layer. The housing may be an insulating housing, the transmission line may pass through the housing, and the metal grounding layer may be sleeved on the outer wall of the housing for grounding. The transmission line and the metal grounding layer are insulated from each other, meaning that the insulation between the transmission line and the metal grounding layer can be achieved through the housing, and the transmission line can be used to transmit signals.

[0022] As an optional implementation, when the resonator 10 includes the coaxial line, the coaxial line and the ground plane 20 are partially spaced apart, and the metal grounding layer of the coaxial line is electrically connected to the ground plane 20 in sequence through the connector 40 and the tuner 30. In this way, since the metal grounding layer of the coaxial line is electrically connected to the ground plane 20 in sequence through the connector 40 and the tuner 30, the normal functioning of the coaxial line transmission line is not affected. At the same time, the grounding of the metal grounding layer can remove the clutter generated by the resonator 10 from the operating frequency band of the electronic device's antenna, thereby enhancing the radiation performance of the electronic device's antenna.

[0023] When the resonator 10 is used to connect the antenna and radio frequency unit of an electronic device, the transmission line can be used to transmit the feed signal sent by the radio frequency unit to the antenna.

[0024] In addition, when the resonator 10 includes a coaxial line, the metal grounding layer of the coaxial line can be directly grounded. Furthermore, the metal grounding layer of the coaxial line can be electrically connected to the ground plane 20 through the connector 40 and the tuner 30. This allows the metal grounding layer of the coaxial line to be grounded through the connector 40 and the tuner 30. In this way, the structure of the coaxial line does not need to be changed, that is, the physical dimensions of the coaxial line itself will not be changed, and the normal function of the coaxial line itself will not be affected, thus making the grounding effect of the coaxial line better.

[0025] The floor 20 can refer to components such as the motherboard or frame of an electronic device, and a grounding point can be provided on the floor 20.

[0026] It should be noted that the specific structure of the tuning element 30 is not limited here. As an optional implementation, see [link to relevant documentation]. Figure 2 The tuning element 30 includes at least one of a capacitor 31 and an inductor 32. That is, the tuning element 30 may include only a capacitor 31 or an inductor 32. Of course, the tuning element 30 may also include both a capacitor 31 and an inductor 32. When the tuning element 30 includes both a capacitor 31 and an inductor 32, the capacitor 31 and the inductor 32 can be combined to form an LC filter circuit. Of course, the capacitor 31 and the inductor 32 can also be connected in parallel. The specific method is not limited here.

[0027] When the tuning element 30 includes an inductor 32 and the resonator 10 is connected to the inductor 32, it can have a de-loading effect, thereby shifting the frequency of the noise generated by the resonator 10 to the high-frequency direction; when the tuning element 30 includes a capacitor 31 and the resonator 10 is connected to the capacitor 31, it can have a loading effect, thereby shifting the frequency of the noise generated by the resonator 10 to the low-frequency direction.

[0028] In this embodiment, the type of tuning element 30 can be selected according to the frequency of the clutter generated by the resonator 10. For example, when the clutter generated by the resonator 10 coincides with the antenna's operating frequency band in the high-frequency range, the tuning element 30 can be an inductor 32, thereby shifting the frequency of the clutter generated by the resonator 10 towards the high-frequency direction and thus escaping the antenna's operating frequency band. Similarly, when the clutter generated by the resonator 10 coincides with the antenna's operating frequency band in the low-frequency range, the tuning element 30 can be a capacitor 31, thereby shifting the frequency of the clutter generated by the resonator 10 towards the low-frequency direction and thus escaping the antenna's operating frequency band. This allows for greater flexibility and diversity in the type of tuning element 30, while also enhancing the antenna's radiation performance.

[0029] In addition to capacitor 31 and inductor 32, tuning component 30 may also include other components, such as resistor 33. It should be noted that the resistance value of resistor 33 is not limited here. For example, the resistance value of resistor 33 can be 0 ohms, in which case the third branch is equivalent to a wire, meaning the resonator 10 can be directly grounded. This also achieves the goal of keeping the frequency band of the noise generated by the resonator 10 outside the operating frequency band of the electronic device.

[0030] As an optional implementation method, see [link to implementation details]. Figure 2 The tuning element 30 includes a capacitor 31, an inductor 32, and a resistor 33. The capacitor 31 is located in the first branch, the inductor 32 is located in the second branch, and the resistor 33 is located in the third branch. The first branch, the second branch, and the third branch are connected in parallel.

[0031] In this embodiment, the tuner 30 may include a circuit in which a first branch, a second branch, and a third branch are connected in parallel. The capacitor 31 is located in the first branch, the inductor 32 is located in the second branch, and the resistor 33 is located in the third branch. In this way, by connecting the capacitor 31, the inductor 32, and the resistor 33 in parallel, the versatility of the tuner 30 can be further enhanced. At the same time, when adjusting the frequency of the clutter generated by the resonator 10, the tuner 30 can simultaneously have the adjustment characteristics of the capacitor 31, the inductor 32, and the resistor 33, thereby further enhancing the adjustment effect on the radiation performance of the antenna.

[0032] It should be noted that when the tuning element 30 is selected from at least one of the components 31, 32, and 33, the parameters of the capacitor 31, inductor 32, and resistor 33 are already determined, and thus the effect on adjusting the frequency of the noise generated by the resonator 10 is also determined. To enhance the flexibility of adjusting the frequency of the noise generated by the resonator 10, the resonator 10 can be flexibly controlled to be connected to at least one of the capacitor 31, inductor 32, and resistor 33.

[0033] As an optional implementation method, see [link to implementation details]. Figure 2 Each of the first, second, and third branches is equipped with a first control switch 34. These switches can be at least partially closed, or at least partially open. In other words, the states of these switches can be flexibly changed. By flexibly controlling the states of the first control switches 34 in the first, second, and third branches, the connection between capacitor 31, inductor 32, and resistor 33 and the resonator 10 can be flexibly controlled, thereby enhancing the flexibility of adjusting the frequency of the noise generated by the resonator 10.

[0034] As an alternative implementation, the tuning element 30 further includes a second control switch, which is used to control at least one of the first, second, and third branches to be connected. Thus, by connecting at least one of the first, second, and third branches via the second control switch, the connection between capacitor 31, inductor 32, and resistor 33 and the resonator 10 can be flexibly controlled, thereby enhancing the flexibility of adjusting the frequency of the noise generated by the resonator 10.

[0035] It should be noted that the state of the first control switch or the second control switch can be determined based on the frequency band of the noise generated by the resonator 10.

[0036] See Figure 1 The electronic device includes a first motherboard 101, a second motherboard 102, and a metal plate 103. The first motherboard 101 can also be referred to as the motherboard, and the second motherboard 102 can also be referred to as the sub-board. The first motherboard 101 can be equipped with a radio frequency (RF) unit, and the second motherboard 102 can be equipped with an antenna. The resonator 10 can be connected to the RF unit and the antenna respectively, thereby enabling the RF unit to feed power to the antenna. In addition, the resonator 10 can be divided into regions A, B, C, D, and E in sequence. Region A refers to the region where one end of the resonator 10 is fastened to the first motherboard 101, region E refers to the region where the other end of the resonator 10 is fastened to the second motherboard 102, region B can be referred to as the redundant region of the resonator 10 near the first motherboard 101, region D can be referred to as the redundant region of the resonator 10 near the second motherboard 102, and region C can be the region where the resonator 10 is embedded in the wire groove of the metal plate 103.

[0037] It should be noted that regions A and E are set up to facilitate the installation of the resonator 10, and regions A and E are necessary regions. Therefore, the resonator 10 cannot be completely attached to the first motherboard 101 and the second motherboard 102. That is, there is a gap between the resonator 10 and the first motherboard 101 in region A, and a gap between the resonator 10 and the second motherboard 102 in region E. At the same time, the resonator 10 is used to transmit the radiated signal sent by the radio frequency unit to the antenna. Therefore, the resonator 10 is likely to form a gap antenna in regions A and E, thereby generating clutter. The frequency band of the clutter is likely to fall into the operating frequency band of the electronic device, thereby affecting the radiation performance of the electronic device.

[0038] Therefore, in order to solve the above problems, the technical solution of the embodiments of this application is proposed, and the specific description in the above embodiments can be found.

[0039] In addition, since the current is stronger and the electric field is weaker in regions A and E, while the electric field is stronger and the current is weaker in the region between regions A and E, in order to further reduce the influence of the resonator 10 on the radiation performance of the electronic device, the resonator 10 can be electrically connected to the ground 20 at the location with a stronger electric field.

[0040] As an optional implementation, the resonator 10 includes a first end, a connection point, and a second end. The connection point is located between the first end and the second end, and the connection point is electrically connected to the ground 20 in sequence through the connector 40 and the tuning member 30.

[0041] The first end and the second end can be connected to the ground 20 respectively. Since the connection point is located between the first end and the second end, it can be electrically connected to the ground 20 through the connector 40 and the tuner 30 at the point with a strong electric field, thereby further reducing the impact of the resonator 10 on the radiation performance of the electronic device and enhancing the radiation performance of the electronic device.

[0042] As an optional implementation, the connection point is located at the midpoint between the first end and the second end. Since the electric field is typically strongest at the midpoint of the resonator 10, placing the connection point at the midpoint (i.e., the midpoint between the first and second ends) of the resonator 10 can further reduce the impact of the resonator 10 on the radiation performance of the electronic device, thereby enhancing the radiation performance of the electronic device.

[0043] As an optional implementation method, see [link to implementation details]. Figure 3The connector 40 includes a first grounding ring 41 and a metal clip 42. Taking a coaxial cable as an example, the first grounding ring 41 is sleeved on the metal grounding layer of the coaxial cable, and the inner wall of the first grounding ring 41 abuts against the metal grounding layer. The metal clip 42 abuts against the outer wall of the first grounding ring 41, and the metal clip 42 is electrically connected to the tuning component 30.

[0044] In this embodiment, the metal grounding layer of the coaxial cable is typically a braided metal wire or a semi-rigid metal tube. The first grounding ring 41 is fitted onto the outer wall of the coaxial cable, and its inner wall abuts against the metal grounding layer, thereby enhancing the electrical connection between the inner wall of the first grounding ring 41 and the metal grounding layer. Simultaneously, the metal clip 42 abuts against the outer wall of the first grounding ring 41 and is electrically connected to the tuning element 30. Thus, the metal clip 42 further enhances the electrical connection between the inner wall of the first grounding ring 41 and the metal grounding layer. Additionally, the metal clip 42 also clamps the coaxial cable, increasing its rigidity and reducing the occurrence of gaps between parts of the coaxial cable and the metal plate 103 due to its lower rigidity.

[0045] As an optional implementation method, see [link to implementation details]. Figure 3 The metal clip 42 has a first protrusion 421 and a second protrusion 422 on its two opposite inner walls. The outer wall of the first grounding ring 41 abuts against the first protrusion 421 and the second protrusion 422 respectively. Thus, since the outer wall of the first grounding ring 41 abuts against the first protrusion 421 and the second protrusion 422 respectively, the first grounding ring 41 can pass through the gap between the first protrusion 421 and the second protrusion 422, and the outer wall of the first grounding ring 41 can abut against the first protrusion 421 and the second protrusion 422 respectively, thereby achieving the purpose of engaging the first grounding ring 41 with the metal clip 42, and thus enhancing the electrical connection effect between the metal clip 42 and the first grounding ring 41.

[0046] It should be noted that the shapes of the first protrusion 421 and the second protrusion 422 are not limited here. For example, the cross-sections of the first protrusion 421 and the second protrusion 422 can be rectangular or arc-shaped. When the cross-sections of the first protrusion 421 and the second protrusion 422 are arc-shaped, the damage caused by the first protrusion 421 and the second protrusion 422 to the outer wall of the first grounding ring 41 can be reduced.

[0047] As another alternative implementation, the inner wall of the metal clip 42 is interference-fitted with the outer wall of the first grounding ring 41, which can also enhance the electrical connection between the metal clip 42 and the first grounding ring 41.

[0048] As another alternative implementation, see Figure 4The connector 40 includes a second grounding ring 43 and a flexible conductive connector 44. The second grounding ring 43 is sleeved on the resonator 10, and the inner wall of the second grounding ring 43 abuts against the resonator 10. One end of the flexible conductive connector 44 is electrically connected to the outer wall of the second grounding ring 43, and the other end of the flexible conductive connector 44 is electrically connected to the tuner 30.

[0049] The aforementioned flexible conductive connector 44 can also be referred to as a flexible circuit board, and therefore the flexible conductive connector 44 has good foldability.

[0050] In this embodiment, when the installation space at the location of the resonator 10 is small (i.e., the installation space at the location of the resonator 10 is very narrow), a second grounding ring 43 can be fitted on the resonator 10, and the second grounding ring 43 can be electrically connected to the tuning element 30 through the flexible conductive connector 44. The flexible conductive connector 44 has good foldability, thereby ensuring a good grounding effect of the resonator 10.

[0051] As an optional implementation method, see [link to implementation details]. Figure 4 The connector 40 further includes a locking screw 45 and a metal washer 46. The locking screw 45 presses against the first surface of the flexible conductive connector 44, and the second surface of the flexible conductive connector 44 is electrically connected to the tuning element 30 through the metal washer 46. Thus, the pressing action of the locking screw 45 ensures a good electrical connection between the flexible conductive connector 44 and the tuning element 30.

[0052] It should be noted that, in order to further enhance the connection effect between the metal pad 46 and the second surface of the flexible conductive connector 44, multiple protrusions may be provided on the surface of the metal pad 46 facing the second surface. Of course, multiple protrusions may also be provided on the surface of the metal pad 46 facing the tuning member 30.

[0053] It should be noted that, Figure 2 and Figure 4 GND is used to indicate the grounding point or the grounding end of a wire.

[0054] Additionally, see Figure 4 The connector 40 may also include a metal sheet 47, a metal washer 46 and a locking screw 45, all of which can be electrically connected to the tuner 30 through the metal sheet 47. This can further enhance the electrical connection effect between the flexible conductive connector 44 and the tuner 30.

[0055] It should be noted that the metal sheet 47 in this embodiment can also be applied to the above embodiments, that is, it can be applied to the connection between the connector 40 and the tuning member 30.

[0056] It should be noted that the metal sheet 47 can be a separate area on the floor 20. The metal sheet 47 is not electrically connected to the grounding point on the floor 20. In other words, the metal sheet 47 can be insulated from the grounding point.

[0057] As an alternative implementation, the metal sheet 47 can be coated on a target area of ​​the floor 20, and the target area can be insulated from the grounding point, thus ensuring that the metal sheet 47 is insulated from the grounding point on the floor 20. Alternatively, the target area can be an insulating area.

[0058] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. An electronic device, comprising: The application relates to an electronic device, which comprises a resonant body, a connecting piece, a tuning piece and a floor, the resonant body is electrically connected with the floor through the connecting piece and the tuning piece in sequence, the tuning piece is used for adjusting the frequency band of spurious waves generated by the resonant body to be outside the working frequency band of an antenna of the electronic device, the tuning piece comprises at least one of a capacitor and an inductor. The resonant body comprises a coaxial line, a metal grounding layer of the coaxial line is electrically connected with the floor through the connecting piece and the tuning piece in sequence. The connecting piece comprises a first grounding ring and a metal clamp, the first grounding ring is sleeved on the resonant body, the inner wall of the first grounding ring is in abutment with the resonant body, the metal clamp is in abutment with the outer wall of the first grounding ring, and the metal clamp is electrically connected with the tuning piece. The tuning piece comprises a capacitor, an inductor and a resistor, the capacitor is located in a first branch, the inductor is located in a second branch, and the resistor is located in a third branch, the first branch, the second branch and the third branch are connected in parallel.

2. The electronic device of claim 1, wherein, First control switches are arranged in the first branch, the second branch and the third branch.

3. The electronic device of claim 2, wherein, The tuning piece further comprises a second control switch, the second control switch is used for controlling at least one branch of the first branch, the second branch and the third branch to be conductive.

4. The electronic device of claim 2, wherein, When the resonant body comprises the coaxial line, the coaxial line and the floor are partially spaced.

5. The electronic device of claim 1, wherein, The resonant body comprises a first end, a connecting point and a second end, the connecting point is located between the first end and the second end, and the connecting point is electrically connected with the floor through the connecting piece and the tuning piece in sequence.

6. The electronic device of claim 1, wherein, The connecting point is located at the middle position between the first end and the second end.

7. The electronic device of claim 6, wherein, First and second protrusions are arranged on the opposite inner walls of the metal clamp, and the outer wall of the first grounding ring is in abutment with the first and second protrusions respectively.

8. The electronic device of claim 1, wherein, ​

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