CN215732179U - Electronic device - Google Patents
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- CN215732179U CN215732179U CN202121946123.6U CN202121946123U CN215732179U CN 215732179 U CN215732179 U CN 215732179U CN 202121946123 U CN202121946123 U CN 202121946123U CN 215732179 U CN215732179 U CN 215732179U
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Abstract
The application discloses electronic equipment, this electronic equipment includes: printed circuit board support, printed circuit board and first antenna group, wherein: the upper surface of the printed circuit board support is provided with a radiator of the first antenna group, the lower surface of the printed circuit board support is provided with a reference ground, one end of a feed terminal of the first antenna group is electrically connected with the radiator of the first antenna group, and the other end of the feed terminal penetrates through the printed circuit board support to be electrically connected with the reference ground; and a connecting piece is arranged on the printed circuit board and is electrically connected with the feed terminal.
Description
Technical Field
The application relates to the field of mobile terminals, in particular to an electronic device.
Background
With the development of 5G communication technology, users have made higher demands on the functions of electronic devices. In order to introduce functions such as indoor positioning and object finding into electronic devices, Ultra Wide Band (UWB) technology is used.
In the related art, the UWB technique often uses the mode of flexible circuit board to set up a plurality of patch antennas and place on electronic equipment's backshell inner wall, and this flexible circuit board generally needs Liquid Crystal Polymer (LCP) as the substrate, and LCP is expensive, and simultaneously, it needs to occupy extra accommodation space to set up such antenna alone, can increase electronic equipment's thickness.
SUMMERY OF THE UTILITY MODEL
The application discloses electronic equipment has solved and has set up the antenna alone and need occupy extra accommodation space, can increase the problem of electronic equipment's thickness.
In order to solve the above problems, the following technical solutions are adopted in the present application:
in a first aspect, an embodiment of the present application discloses an electronic device, including: printed circuit board support, printed circuit board and first antenna group, wherein: the upper surface of the printed circuit board support is provided with a radiator of the first antenna group, the lower surface of the printed circuit board support is provided with a reference ground, one end of a feed terminal of the first antenna group is electrically connected with the radiator of the first antenna group, and the other end of the feed terminal penetrates through the printed circuit board support to be electrically connected with the reference ground; and a connecting piece is arranged on the printed circuit board and is electrically connected with the feed terminal.
In a second aspect, an embodiment of the present application discloses an electronic device, including: printed circuit board support, printed circuit board and first antenna group, wherein: the upper surface of the printed circuit board support is provided with a radiator of the first antenna group, the lower surface of the printed circuit board support is provided with a reference ground, and a feed terminal of the first antenna group is electrically connected with the radiator of the first antenna group; and a connecting piece is arranged on the printed circuit board and is electrically connected with the feed terminal.
The technical scheme adopted by the application can achieve the following beneficial effects:
the embodiment of the application discloses electronic equipment, including the printed circuit board support, printed circuit board and first antenna group, through the upper surface with the irradiator setting of first antenna group at the printed circuit board support, lower surface at the printed circuit board support sets up the ground of reference, the one end of the feed terminal of first antenna group is connected with the irradiator electricity of first antenna group, the other end passes the printed circuit board support and ground electricity of reference is connected, set up the connecting piece on printed circuit board, realize often having the multiplexing of structure in the electronic equipment when rationally setting up the reliability and the stability of antenna performance, not only save the cost, still solved and set up alone that the antenna needs to occupy extra accommodation space, can increase electronic equipment's thickness problem.
Drawings
Fig. 1a is a schematic structural diagram of an upper surface of a pcb support of an electronic device according to an embodiment of the present disclosure;
fig. 1b is a schematic structural diagram of a lower surface of a pcb support of an electronic device according to an embodiment of the present disclosure;
fig. 1c is a schematic structural diagram of a pcb support of an electronic device according to an embodiment of the present disclosure;
fig. 1d is a schematic structural diagram of a printed circuit board of an electronic device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a pcb support of an electronic device according to an embodiment of the present disclosure;
fig. 3 is a schematic arrangement diagram of a radiator of an antenna according to an embodiment of the present disclosure;
fig. 4 is a schematic arrangement diagram of a radiator of another antenna disclosed in the embodiment of the present application;
fig. 5 is a schematic arrangement diagram of a radiator of another antenna disclosed in the embodiment of the present application;
fig. 6 is a schematic diagram illustrating a configuration of a radiator of a second antenna group according to an embodiment of the present application;
fig. 7 is a schematic diagram illustrating a configuration of a radiator of another second antenna group according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
Fig. 1a is a schematic structural view of an upper surface of a printed circuit board support of an electronic device disclosed in an embodiment of the present application, fig. 1b is a schematic structural view of a lower surface of a printed circuit board support of an electronic device disclosed in an embodiment of the present application, and fig. 1d is a schematic structural view of a printed circuit board of an electronic device disclosed in an embodiment of the present application.
As shown in fig. 1a, 1b and 1d, the present application discloses an electronic device, comprising: a printed circuit board support 100, a printed circuit board 200, and a first antenna group, wherein: the upper surface of the printed circuit board support 100 is provided with a radiator 310 of a first antenna group, the lower surface of the printed circuit board support 100 is provided with a reference ground 400, one end of a feed terminal 320 of the first antenna group is electrically connected with the radiator 310 of the first antenna group, and the other end passes through the printed circuit board support 100 and is electrically connected with the reference ground 400; the printed circuit board 200 is provided with a connection member 500, and the connection member 500 is electrically connected to the feeding terminal.
The pcb support 100 is a component made of an insulating material and having a certain thickness, and specifically, the pcb support 100 may be made of a plastic material.
In the present application, the radiator 310 of the first antenna group is disposed on the upper surface of the pcb support 100, the ground reference 400 is disposed on the lower surface of the pcb support 100, and a plurality of windows are disposed on the ground reference 400, wherein one end of the feeding terminal 320 of the first antenna group is electrically connected to the radiator 310 of the first antenna group, and the other end thereof passes through the pcb support 100 and enters the window disposed on the ground reference 400 to be electrically connected to the ground reference 400. The radiators 310 and the ground reference 400 of the first antenna group are conductive lines or patterns, and specifically, the radiators 310 and the ground reference 400 of the first antenna group may be conductive lines or patterns formed on the pcb support 100 by a laser direct structuring technique or a high-energy beam-induced deposition technique.
In the embodiment of the application, the reference ground 400 is arranged on the lower surface of the printed circuit board support 100, so that the directional diagram of the first antenna group in the space has stable phase characteristics, and the electronic device can be prevented from being influenced by electromagnetism introduced by other environments.
In this application, a connector 500 is disposed on the printed circuit board 200, and the connector 500 is electrically connected to the feeding terminal 320 of the first antenna group to feed the radio frequency signal corresponding to the first antenna group. Specifically, the connecting member 500 may be a metal elastic sheet, and the number of the connecting members 500 may be multiple.
In the case where the first antenna group is an Ultra Wide Band (UWB) antenna, the feed terminal of each antenna in the first antenna group is disposed so as to be offset in the x-axis direction of the antenna radiator, so that the UWB antenna can have a UWB communication band of 6.5GHz and a UWB communication band of 8.0 GHz.
The embodiment of the application discloses electronic equipment, including printed circuit board support 100, printed circuit board 200 and first antenna group, through setting up the irradiator 310 of first antenna group at the upper surface of printed circuit board support 100, set up ground of reference 400 at the lower surface of printed circuit board support 100, the one end of the feed terminal 320 of first antenna group is connected with the irradiator 310 of first antenna group electricity, the other end passes printed circuit board support 100 and is connected with ground of reference 400 electricity, set up connecting piece 500 on printed circuit board 200, realize the multiplexing to the structure often in the electronic equipment when rationally setting up the reliability and the stability of antenna performance, not only save the cost, still solved and set up the antenna alone and need occupy extra accommodation space, can increase the problem of electronic equipment's thickness.
In the above embodiment, the other end of the feeding terminal 320 of the first antenna set is electrically connected to the connector 500, and the connector 500 is electrically connected to the feeding source (not shown) of the printed circuit board 200, one end of the feeding source transmits the feeding signal to the feeding terminal 320 through the connector 500, the feeding terminal 320 transmits the feeding signal to the radiator, and the other end of the feeding source is grounded. The ground of the feed may be the main board ground of the printed circuit board of the electronic device or may be the reference ground 400. The reference ground may be common with the motherboard ground. Therefore, it can also be considered that the feeding terminal 320 of the first antenna group is electrically connected to the ground reference 400. Therefore, an embodiment of the present application further provides another electronic device, where fig. 1a is a schematic structural diagram of an upper surface of a printed circuit board support of another electronic device disclosed in the embodiment of the present application, fig. 1b is a schematic structural diagram of a lower surface of a printed circuit board support of another electronic device disclosed in the embodiment of the present application, fig. 1c is a schematic structural diagram of a printed circuit board support of another electronic device disclosed in the embodiment of the present application, and fig. 1d is a schematic structural diagram of a printed circuit board of another electronic device disclosed in the embodiment of the present application.
As shown in fig. 1a, 1b, 1c, and 1d, the electronic device disclosed in the present application may include: a printed circuit board support 100, a printed circuit board 200, and a first antenna group, wherein: the upper surface of the printed circuit board support 100 is provided with a radiator 310 of a first antenna group, the lower surface of the printed circuit board support 100 is provided with a reference ground 400, and a feed terminal 320 of the first antenna group is electrically connected with the radiator 310 of the first antenna group; the printed circuit board 200 is provided with a connection member 500, and the connection member 500 is electrically connected to the feeding terminal.
In the present application, the radiator 310 of the first antenna group is disposed on the upper surface of the pcb support 100, the ground reference 400 is disposed on the lower surface of the pcb support 100, the feeding terminal 320 of the first antenna group is electrically connected to the radiator 310 of the first antenna group, the feeding terminal 320 of the first antenna group is insulated from the ground reference 400, and the feeding terminal 320 of the first antenna group is not directly electrically connected to the ground reference 400. The printed circuit board 200 is provided with a connector 500, as shown in fig. 1c, the feeding terminal 320 may pass through a hole formed in the printed circuit board support 100, and a conductive material is disposed on an inner wall of the hole, wherein the conductive material is not electrically connected to the reference ground 400, the connector 500 is electrically connected to the feeding terminal 320 of the first antenna group through the conductive material on the inner wall of the hole, the other end of the connector 500 is electrically connected to a feeding source on the printed circuit board 200, and a radio frequency signal corresponding to the first antenna group is fed to the first antenna group through the feeding source.
The embodiment of the application discloses electronic equipment, including printed circuit board support 100, printed circuit board 200 and first antenna group, through setting up the irradiator 310 of first antenna group at the upper surface of printed circuit board support 100, set up reference ground 400 at the lower surface of printed circuit board support 100, the feed terminal 320 of first antenna group is connected with the irradiator 310 electricity of first antenna group, set up connecting piece 500 on printed circuit board 200, connecting piece 500 is connected with the feed terminal 320 electricity of first antenna group, realize the multiplex that often has the structure in the electronic equipment when rationally setting up the reliability and the stability of antenna performance, not only save the cost, still solved and set up the antenna alone and need occupy extra accommodation space, can increase the problem of electronic equipment's thickness.
In this embodiment, the first antenna group may include a plurality of antennas, where a distance between radiators of adjacent antennas is half of a wavelength of a target frequency, and the target frequency is a center frequency of an operating frequency band of the first antenna group. That is, in the case where the first antenna group includes a plurality of antennas, the distance between radiators of two adjacent antennas is half the wavelength of the center frequency of the operating band of the first antenna group.
Specifically, the first antenna group may be a two-element antenna group or a three-element antenna group, and the number and the type of the antennas in the first antenna group are not specifically limited in the present application.
In the case that the first antenna group includes a plurality of antennas, since there is mutual interference between the antennas, the printed circuit board support 100 is further provided with a first metal line 600, wherein the first metal line 600 respectively surrounds the radiators of the antennas, and a gap is provided between the first metal line 600 and the radiators of the antennas. For example, as shown in fig. 2, in the case where the first antenna group includes three antennas, the first metal lines 600 surround radiators of the three antennas, respectively. The first metal line 600 may be a conductive line formed on the printed circuit board holder 100 by a laser direct structuring technique or a high energy beam induced deposition technique.
In a further technical solution, as shown in fig. 2, a plurality of through holes 700 are further disposed on the pcb support 100, the plurality of through holes 700 are arranged around the periphery of the radiator of each antenna, and a second metal line is disposed in each through hole 700 and is communicated with the first metal line 600 and the reference ground 400. The first metal circuit 600 is communicated with the reference ground 400 by arranging the second metal circuit, so that the first metal circuit 600 and the reference ground 400 can be fully conducted together, interference of other environments on the performance of the antenna can be resisted while mutual interference between the antennas in the first antenna group is reduced, and the performance of the first antenna group and the using effect of the electronic device are improved.
In the embodiment of the present application, the pitch between the plurality of through holes 700 provided on the pcb support 100 is less than or equal to a first distance, wherein the first distance is one tenth of the wavelength of the target frequency. That is, the distance between the vias 700 and the vias 700 is less than or equal to one tenth of the wavelength of the center frequency of the operating band of the first antenna group.
In an alternative, the plurality of antennas may include a first antenna, a second antenna, and a third antenna, wherein the radiator 311 of the first antenna and the radiator 312 of the second antenna are arranged in a first linear arrangement, the radiator 312 of the second antenna and the radiator 313 of the third antenna are arranged in a second linear arrangement, and the first linear arrangement is arranged at 90 ° to the second linear arrangement. Specifically, the radiator 311 of the first antenna, the radiator 312 of the second antenna, and the radiator 313 of the third antenna may be arranged as shown in fig. 1a, may be arranged as shown in fig. 3, may be arranged as shown in fig. 4, or may be arranged as shown in fig. 5.
In this embodiment, the electronic device may further include a second antenna group, and the radiator 810 of the second antenna group is disposed in a gap between radiators of the plurality of antennas. The radiator 810 of the second antenna group is a conductive line or pattern, and specifically, the radiator 810 and the reference ground 400 of the second antenna group may be conductive lines or patterns formed on the printed circuit board support 100 by a laser direct structuring technique or a high-energy beam-induced deposition technique. Further, taking the second antenna group as a Near Field Communication (NFC) antenna and the first antenna group as a UWB antenna as an example, in the case that the first antenna group includes the first antenna, the second antenna and the third antenna, since the required distance between the UWB antennas is relatively large, the NFC antenna requires a sufficient routing area, and thus, as shown in fig. 6, the radiator 810 of the second antenna group may be disposed in the gap between the radiator 311 of the first antenna, the radiator 312 of the second antenna and the radiator 313 of the third antenna around the radiator 311 of the first antenna and the radiator 312 of the second antenna, or, as shown in fig. 7, the radiator 810 of the second antenna group may be disposed in the gap between the radiator 311 of the first antenna, the radiator 312 of the second antenna and the radiator 313 of the third antenna around the radiator 312 of the second antenna and the radiator 313 of the third antenna, the accommodating space is fully utilized, and the space utilization rate of the antenna in the electronic equipment is improved. In addition, the radiator 810 of the second antenna group may also be disposed in other manners in the gap between the radiators of the multiple antennas, which is not specifically limited in this application.
In this application, one end of the feeding terminal of the second antenna set is electrically connected to the radiator 810 of the second antenna set, and the other end is electrically connected to the ground reference 400 through the printed circuit board support 100. That is, in the same manner as the first antenna set, the radiator 810 of the second antenna set is disposed on the upper surface of the printed circuit board support 100, one end of the feeding terminal of the second antenna set is electrically connected to the radiator 810 of the second antenna set, and the other end of the feeding terminal passes through the printed circuit board support 100, enters the window disposed on the reference ground 400, and is electrically connected to the reference ground 400.
In this application, similar to the first antenna set, the other end of the feeding terminal of the second antenna set is electrically connected to the feeding source of the second antenna set disposed on the printed circuit board 200, one end of the feeding source feeds a signal through the feeding terminal, and the other end is grounded, where the ground may be a main board ground of the printed circuit board of the electronic device or may be the reference ground 400. The reference ground may be common with the motherboard ground. Therefore, the feeding terminal of the second antenna group can also be considered as being electrically connected to the ground reference 400. For example, the feeding terminal of the second antenna set may pass through a hole opened on the printed circuit board support 100, and a conductive material is disposed on an inner wall of the hole, wherein the conductive material is not electrically connected to the reference ground 400. Thus, in one possible implementation, the feed terminal of the second antenna group is electrically connected to the radiator 810 of the second antenna group. For example, the radiator 810 of the second antenna set is disposed on the upper surface of the printed circuit board support 100, one end of the feeding terminal of the second antenna set is electrically connected to the radiator 810 of the second antenna set, and the other end passes through the printed circuit board support 100 and enters the window disposed on the reference ground 400.
In an embodiment of the present application, the first antenna group may be an Ultra Wide Band (UWB) antenna. Through often having the multiplexing of structure in to electronic equipment, set up UWB antenna in electronic equipment, can increase electronic equipment's functions such as indoor location, looking for something when not additionally increasing electronic equipment thickness.
In an alternative scheme, the printed circuit board 200 is further provided with a radio frequency signal transmission line and a transceiver corresponding to the first antenna group, one end of the radio frequency signal transmission line is connected to the transceiver, and the other end of the radio frequency signal transmission line is connected to the connector 500. The plurality of antennas in the first antenna group may be coupled to the transceivers corresponding to the first antenna group through the radio frequency signal transmission line, and a matching network may be disposed on the radio frequency signal transmission line path, and the matching network may include an inductance, a resistance, and a capacitance for matching an impedance of the first antenna group with an impedance of the radio frequency signal transmission line path. The rf signal transmission line may be a trace on the pcb 200 or a coaxial line. The transceiver corresponding to the first antenna group is used for processing the communication frequency band corresponding to the first antenna group.
Furthermore, a plurality of internal Circuit or Integrated Circuit (IC) shields and the IC of the second antenna group may also be arranged on the printed Circuit board 200.
In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (11)
1. An electronic device, comprising: printed circuit board support, printed circuit board and first antenna group, wherein:
the upper surface of the printed circuit board support is provided with a radiator of the first antenna group, the lower surface of the printed circuit board support is provided with a reference ground, one end of a feed terminal of the first antenna group is electrically connected with the radiator of the first antenna group, and the other end of the feed terminal penetrates through the printed circuit board support to be electrically connected with the reference ground;
and a connecting piece is arranged on the printed circuit board and is electrically connected with the feed terminal.
2. An electronic device, comprising: printed circuit board support, printed circuit board and first antenna group, wherein:
the upper surface of the printed circuit board support is provided with a radiator of the first antenna group, the lower surface of the printed circuit board support is provided with a reference ground, and a feed terminal of the first antenna group is electrically connected with the radiator of the first antenna group;
and a connecting piece is arranged on the printed circuit board and is electrically connected with the feed terminal.
3. The electronic device according to claim 1 or 2, wherein the first antenna group comprises a plurality of antennas, wherein a distance between radiators of adjacent antennas is half of a wavelength of a target frequency, and the target frequency is a center frequency of an operating band of the first antenna group.
4. The electronic device according to claim 3, wherein a first metal line is further disposed on the PCB support, wherein the first metal line respectively surrounds the radiators of the antennas, and a gap is formed between the first metal line and the radiators of the antennas.
5. The electronic device according to claim 4, wherein a plurality of through holes are further formed in the printed circuit board support, the plurality of through holes are arranged around a periphery of a radiator of each of the antennas, and a second metal line is respectively disposed in each of the through holes and is connected to the first metal line and the reference ground.
6. The electronic device of claim 5, wherein a spacing between the plurality of vias is less than or equal to a first distance, wherein the first distance is one-tenth of a wavelength of the target frequency.
7. The electronic device according to any of claims 4-6, wherein the plurality of antennas comprises a first antenna, a second antenna, and a third antenna, wherein the radiator of the first antenna and the radiator of the second antenna are arranged in a first linear arrangement, and wherein the radiator of the second antenna and the radiator of the third antenna are arranged in a second linear arrangement, the first linear arrangement being 90 ° from the second linear arrangement.
8. The electronic device of any of claims 4-6, further comprising a second antenna group, wherein radiators of the second antenna group are disposed in gaps between radiators of the plurality of antennas.
9. The electronic device of claim 8, wherein the feed terminal of the second antenna group is electrically connected to a radiator of the second antenna group.
10. The electronic device of claim 1 or 2, wherein the first antenna group is an ultra-wideband antenna.
11. The electronic device according to any one of claims 4 to 6, wherein a radio frequency signal transmission line and a transceiver corresponding to the first antenna group are further disposed on the printed circuit board, one end of the radio frequency signal transmission line is connected to the transceiver, and the other end is connected to the connector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396973 | 2021-06-22 | ||
| CN2021213969733 | 2021-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215732179U true CN215732179U (en) | 2022-02-01 |
Family
ID=79998201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121946123.6U Active CN215732179U (en) | 2021-06-22 | 2021-08-18 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215732179U (en) |
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2021
- 2021-08-18 CN CN202121946123.6U patent/CN215732179U/en active Active
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