Antenna assembly and electronic equipment

Abstract

The embodiment of the utility model provides an antenna assembly and electronic equipment. The antenna assembly comprises a substrate; the first frequency band radiation part is arranged on the substrate; the first feed part is arranged on the substrate and is electrically connected with the first frequency band radiation part; the second frequency band radiation part is arranged on the substrate, the second frequency band radiation part and the first frequency band radiation part are spaced, and a second frequency band radiated by the second frequency band radiation part is smaller than a first frequency band radiated by the first frequency band radiation part; and the second feed part is arranged on the substrate and is electrically connected with the second frequency band radiation part, and the second feed part and the first feed part are arranged at an interval. According to the antenna assembly, an existing dual-frequency single-feed mode is replaced by a dual-frequency-band dual-feed mode, a duplexer is omitted, dual-frequency ranges are integrated, and independent design of structures of the first frequency band and the second frequency band does not need to be considered, so that the overall height of the antenna assembly can be reduced, and the occupied space of the antenna assembly is further reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of electronic equipment, and in particular, relates to an antenna assembly and an electronic equipment. Background Art

[0002] In the field of radio frequency, antennas are made of a variety of materials, such as printed circuit boards (PCB), flexible printed circuits (FPC), stainless steel, etc. If antennas are designed in a three-dimensional space, the commonly used solutions are to use plastic structural parts and FPC, or to design with stainless steel.

[0003] Common electronic devices such as televisions require antennas with more and more frequency bands, and usually need to design a multi-band antenna in a limited three-dimensional space. However, due to the multi-frequency characteristics of the antenna, the required space and the desired form of the product are often contradictory. Among them, the dual-band antenna commonly used in existing electronic devices usually occupies a large space. Utility Model Content

[0004] Embodiments of the present application provide an antenna assembly and an electronic device, which can reduce the space occupied by a dual-band antenna.

[0005] In a first aspect, an embodiment of the present application provides an antenna assembly, including:

[0006] substrate;

[0007] A first frequency band radiation element, disposed on the substrate;

[0008] A first feeding element, disposed on the substrate and electrically connected to the first frequency band radiation element;

[0009] A second frequency band radiating element is disposed on the substrate and spaced apart from the first frequency band radiating element, wherein a second frequency band radiated by the second frequency band radiating element is smaller than a first frequency band radiated by the first frequency band radiating element;

[0010] The second feeding element is arranged on the substrate and is electrically connected to the second frequency band radiation element. The second feeding element is spaced apart from the first feeding element.

[0011] Optionally, the first frequency band radiation element includes:

[0012] A first welding plate is attached to the substrate, and the first power feeder is electrically connected to the first welding plate;

[0013] A first supporting plate, connected to the first welding plate by bending, and the first supporting plate extends in a direction away from the base plate;

[0014] A first main body plate, bent and connected to the first support plate;

[0015] The first welding plate, the first supporting plate and the first main body plate are arranged to form a first space.

[0016] Optionally, the antenna assembly has a first direction and a second direction perpendicular to each other, and the first frequency band radiating element and the second frequency band radiating element are arranged along the first direction;

[0017] In the first direction, the length of the first main body plate is greater than the length of the first support plate, and the length of the first support plate is greater than the length of the first welding plate;

[0018] In the second direction, the width of the first main body plate is greater than the width of the first welding plate.

[0019] Optionally, the antenna assembly further has a third direction perpendicular to the first direction and the second direction respectively;

[0020] The first support plate includes a first sub-plate, a second sub-plate and a third sub-plate connected in sequence along the third direction, the first sub-plate is bent and connected to the first welding plate, and the third sub-plate is bent and connected to the first main body plate; in the first direction, the second sub-plate protrudes from the first sub-plate and the third sub-plate respectively.

[0021] Optionally, in the first direction, the length of the third sub-board is greater than the length of the first sub-board.

[0022] Optionally, in the third direction, the thickness of the third sub-board is smaller than the thickness of the first sub-board.

[0023] Optionally, the second frequency band radiation element includes:

[0024] a second welding plate, attached to the substrate and spaced apart from the first welding plate, the second power feeder being electrically connected to the second welding plate;

[0025] A second support plate, connected to the second welding plate by bending, and extending in a direction away from the base plate, and spaced apart from the first support plate;

[0026] The second main body plate is bent and connected to the second support plate, and the second main body plate is spaced apart from the first main body plate.

[0027] Optionally, the projection of the first main plate on the substrate covers the projection of the second welding plate on the substrate.

[0028] Optionally, the antenna assembly has a first direction, a second direction and a third direction which are perpendicular to each other; the first frequency band radiating element and the second frequency band radiating element are arranged along the first direction, and the second feeding element extends along the second direction;

[0029] The second support plate includes a fourth sub-plate and a fifth sub-plate connected to each other, the fourth sub-plate is bent and connected to the second welding plate, and the fourth sub-plate extends along the first direction; the fifth sub-plate is bent and connected to the second main body plate, and the fifth sub-plate extends along the third direction.

[0030] Optionally, the second frequency band radiation element also includes a third welding plate and a third support plate, the third welding plate is attached to the substrate, the third support plate is respectively bent and connected to the third welding plate and the second main plate, and the third support plate and the fifth sub-plate are arranged opposite to each other at the two ends of the second main plate along the first direction.

[0031] Optionally, in the second direction, the width of the third welding plate is greater than the width of the second welding plate.

[0032] Optionally, the first frequency band radiator and the second frequency band radiator are integrally formed.

[0033] Optionally, the antenna assembly further includes:

[0034] A connecting plate connects the first main body plate and the second main body plate.

[0035] Optionally, the connecting plate includes:

[0036] A first sub-connecting plate, bent and connected to the first main body plate;

[0037] A second sub-connecting plate, bent and connected to the second main body plate;

[0038] The third sub-connection board connects the first sub-connection board and the second sub-connection board.

[0039] Optionally, the connecting plate further includes:

[0040] A first grounding plate is bent and connected to the third sub-connecting plate and attached to the substrate, and the first grounding plate is used for grounding;

[0041] A second grounding plate is bent and connected to the third sub-connection plate and attached to the substrate. The second grounding plate is spaced apart from the first grounding plate and is used for grounding.

[0042] The third grounding plate is bent and connected to the third sub-connecting plate and attached to the substrate. The third grounding plate is spaced apart from the second grounding plate. The second grounding plate is located between the first grounding plate and the third grounding plate. The third grounding plate is used for grounding.

[0043] Optionally, the second feeding element is located between the second grounding plate and the third grounding plate; and the first feeding element is located on a side of the first grounding plate away from the second grounding plate.

[0044] Optionally, an area of ​​the first power feeding element close to one end of the first welding plate is larger than an area of ​​the first power feeding element far from one end of the first welding plate;

[0045] An area of ​​the second feeding element at one end close to the second welding plate is larger than an area of ​​the second feeding element at one end far from the second welding plate.

[0046] In a second aspect, an embodiment of the present application further provides an electronic device, comprising an antenna assembly as described in any one of the above items.

[0047] In the antenna assembly and electronic device of the embodiments of the present application, a first feeding element and a second feeding element are respectively provided for the first frequency band radiating element and the second frequency band radiating element, that is, a dual-band dual feeding method is used to replace the existing dual-frequency single feeding method, and the setting of the duplexer is cancelled, so that the dual-frequency ranges are combined, and there is no need to take into account the structures of the first frequency band and the second frequency band for separate design, thereby reducing the overall height of the antenna assembly and further reducing the space occupied by the antenna assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0049] In order to more completely understand the present application and its beneficial effects, the following description will be made in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0050] Figure 1 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application.

[0051] Figure 2 A schematic diagram of the exploded structure of the far-field voice component provided in an embodiment of the present application.

[0052] Figure 3 A schematic diagram of the structure of the antenna assembly provided in an embodiment of the present application.

[0053] Figure 4 A schematic diagram of the first structure of the antenna assembly provided in an embodiment of the present application without the substrate.

[0054] Figure 5 A second structural schematic diagram of the antenna assembly provided in an embodiment of the present application without the substrate.

[0055] Figure 6 A third structural schematic diagram of the antenna assembly provided in an embodiment of the present application without the substrate. DETAILED DESCRIPTION

[0056] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0057] See also Figure 1 As shown, Figure 1 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application. An embodiment of the present application provides an electronic device 1, wherein the electronic device 1 has an antenna assembly 100, and the antenna assembly 100 cooperates with a control system to achieve communication with the outside world, thereby improving the user experience of using the electronic device 1. Exemplarily, the electronic device 1 can be a display device such as a television, a computer, or a mobile phone, and the electronic device 1 can also be a household appliance such as an electronic door lock, an air conditioner, a refrigerator, or a washing machine. The embodiment of the present application is described by taking the electronic device 1 as a television as an example, and it should not be understood as a limitation on the type of the electronic device 1.

[0058] For example, please combine Figure 1 Also see Figure 2 As shown, Figure 2 Schematic diagram of the exploded structure of the far-field voice component provided for the embodiment of the present application. The electronic device 1 such as a smart TV may also include a far-field voice component 200 and a display screen 300. The far-field voice component 200 includes a housing 210, a far-field voice guide 220, a Bluetooth antenna 230, a plate 240 and a switch button 250. The far-field voice guide 220, the Bluetooth antenna 230, and the plate 240 are all arranged in the housing 210, and the switch button 250 is located on the outer surface of the housing 210. The far-field voice guide 220 and the Bluetooth antenna 230 are both arranged on the plate 240. The display screen 300 is used to display pictures for users to watch.

[0059] The antenna assembly 100 may also be integrated into the housing 210 and disposed on the plate 240 . For example, two antenna assemblies 100 may be disposed opposite to each other in a horizontal direction to improve the communication effect of the electronic device 1 .

[0060] In the field of radio frequency, antennas are made of a variety of materials, such as printed circuit boards, flexible circuit boards, and stainless steel. If antennas are designed in three-dimensional space, commonly used solutions include combining plastic structural parts with flexible circuit boards, or designing with stainless steel.

[0061] Common electronic devices such as televisions require more and more frequency bands for their antennas, and usually a multi-band antenna needs to be designed in a limited three-dimensional space. However, due to the multi-frequency characteristics of the antenna, the required space and the desired form of the product are often contradictory. Common antenna designs generally adopt a single feed method. The advantage is that the multi-band antenna can be connected to the chip through a single RF signal line and realize the multi-band receiving and transmitting functions. However, the disadvantage is that in a limited space, if multi-band coupling is required, a duplexer must be used to synthesize the output signal, and multi-band coupling is difficult, which increases the difficulty of antenna design. Under normal circumstances, metal antennas are implemented in the form of dual-frequency single feed, but this situation often requires that the space conditions meet the requirements to be realized: the antenna needs to have sufficient height and space. However, existing dual-frequency antennas usually occupy a large space.

[0062] Since current products pursue thin, miniaturized, and integrated designs, multiple interactive elements are usually integrated into a box under the display screen for electronic devices 1 such as televisions. From the appearance point of view, the box is required to be as thin as possible and as small as possible, which also limits the design space of the antenna to a certain extent. For the structure of smart TVs, conventional antennas will have poor radiation performance due to metal structures such as large-size metal such as the back panel of the TV; at the same time, under the structure of the metal lower front frame, the above-mentioned box is also limited to be assembled only by metal. In order to solve the antenna design problem of this type of structure, a metal planar inverted F-shape antenna (PIFA) is used, which can well solve the antenna radiation and directivity problems of the large metal structure conditions of smart TVs. However, to meet the multi-band metal PIFA antenna of the wifi band, a certain radiation height is required, and the radiation height will increase the thickness of the box, which does not meet the requirements of the thin and light box.

[0063] Based on this, the embodiment of the present application improves the antenna assembly 100 to reduce the space occupied by the antenna assembly 100, thereby meeting the requirements for a lightweight and thin design of a box equipped with an antenna in a smart TV.

[0064] For example, please combine Figure 1 and Figure 2 Also see Figure 3 As shown, Figure 3The antenna assembly 100 includes a substrate 110 , a first frequency band radiator 120 , a first feeder 130 , a second frequency band radiator 140 , and a second feeder 150 .

[0065] The substrate 110 is also a printed circuit board (PCB). The substrate 110 is used to carry the structural components in the antenna assembly 100 and can realize the electrical connection of the structural components in the antenna assembly 100 to achieve corresponding functions.

[0066] The first frequency band radiation element 120 is used to radiate the signal of the first frequency band. The first frequency band radiation element 120 can be made of metal material, such as stainless steel, to achieve the corresponding radiation function. The first frequency band radiation element 120 is arranged on the substrate 110. For example, the first frequency band radiation element 120 can be protrudingly arranged on the substrate 110, that is, the first frequency band radiation element 120 is a three-dimensional structure. For example, the first frequency band radiation element 120 can be in the form of a sheet and can be bent into a desired shape to form a three-dimensional structure.

[0067] The first feeding element 130 is disposed on the substrate 110 and is electrically connected to the first frequency band radiating element 120 , so as to facilitate the transmission of radio frequency signals.

[0068] The second frequency band radiator 140 is disposed on the substrate 110 and is spaced apart from the first frequency band radiator 120. For example, the second frequency band radiator 140 can be protrudingly disposed on the substrate 110, and the second frequency band radiator 140 can also be made of a metal material, such as stainless steel, and the second frequency band radiator 140 is a three-dimensional structure to facilitate the realization of corresponding functions. For example, the second frequency band radiator 140 can be in the form of a sheet and can be bent into a desired shape to form a three-dimensional structure. The second frequency band radiator 140 is used to radiate signals of the second frequency band.

[0069] The second feeding element 150 is disposed on the substrate 110 and is electrically connected to the second frequency band radiation element 140 . The second feeding element 150 and the first feeding element 130 are spaced apart from each other.

[0070] It should be noted that the antenna assembly 100 of the embodiment of the present application is also the WiFi antenna in the smart TV. The second frequency band radiating element 140 and the first frequency band radiating element 120 radiate the second frequency band and the first frequency band respectively, that is, the antenna assembly 100 is a dual-band WiFi antenna.

[0071] Exemplarily, the second frequency band is smaller than the first frequency band. For example, the second frequency band is a 2.4G frequency band, and the first frequency band is a 5G frequency band, and these two frequency bands are also commonly used frequency bands.

[0072] It is understandable that the antenna assembly 100 of the embodiment of the present application has two feeding structures, which separate the feeding of the 2.4G band and the 5G band, replacing the existing dual-frequency single feeding method. There is no need to take into account the structures of the two frequency bands for separate design, which can reduce the cross-sectional height of the antenna to a certain extent. Experimental verification found that using the structure of the antenna assembly 100 of the embodiment of the present application, the height of the antenna of the embodiment of the present application is only 3.7 mm, plus the thickness of the substrate 110 is 4.7 mm. The general single-feed dual-frequency metal antenna requires a height of 6 mm to 7 mm to not affect its radiation performance.

[0073] In the antenna assembly 100 provided in the embodiment of the present application, a first feeding element 130 and a second feeding element 150 are respectively provided for the first frequency band radiating element 120 and the second frequency band radiating element 140, that is, a dual-band dual feeding method is used to replace the existing dual-frequency single feeding method, and the setting of the duplexer is cancelled, so that the dual-frequency ranges are combined, and there is no need to separately design the structures of the first frequency band and the second frequency band, thereby reducing the overall height of the antenna assembly 100, and further reducing the occupied space of the antenna assembly 100.

[0074] For example, please combine Figures 1 to 3 Also see Figure 4 As shown, Figure 4 A schematic diagram of the first structure of the antenna assembly provided in an embodiment of the present application without the substrate. The first frequency band radiator 120 includes a first welding plate 121, a first support plate 122 and a first main body plate 123. The first welding plate 121 is attached to the substrate 110, and the first feeder 130 is connected to the first welding plate 121. The first support plate 122 is bent and connected to the first welding plate 121, and the first support plate 122 extends in a direction away from the substrate 110. The first main body plate 123 is bent and connected to the first support plate 122. Among them, the first welding plate 121, the first support plate 122 and the first main body plate 123 are surrounded to form a first space 124, so that the first frequency band radiator 120 can form a three-dimensional structure, which not only meets the radiation requirements; the first main body plate 123 is bent and set, compared with the first main body plate being set vertically, the height of the first frequency band radiator 120 can be reduced.

[0075] It can be understood that the first welding plate 121 is used to install the first frequency band radiator 120 on the substrate 110, that is, it is the welding foot of the first frequency band radiator 120. The first support plate 122 and the first main body plate 123 are components of the first frequency band radiator 120 to form a three-dimensional shape. When manufacturing the first frequency band radiator 120, the first welding plate 121, the first support plate 122 and the first main body plate 123 can be made of a single plate, which is positioned and bent after cutting, so as to realize the integrated molding of the first welding plate 121, the first support plate 122 and the first main body plate 123, which can avoid the occurrence of unstable radiation signals of the first frequency band radiator 120 due to unstable connection, and can reduce the overall height of the first frequency band radiator 120.

[0076] Exemplarily, the antenna assembly 100 has a first direction X, a second direction Y, and a third direction Z that are perpendicular to each other. For example, the first direction X is the length direction of the substrate 110 , the second direction Y is the width direction of the substrate 110 , and the third direction Z corresponds to the thickness direction of the substrate 110 .

[0077] Among them, the first frequency band radiation element 120 and the second frequency band radiation element 140 are arranged along the first direction X, that is, the first frequency band radiation element 120 and the second frequency band radiation element 140 are arranged along the length direction of the substrate 110, so that the substrate 110 can be filled and the waste of space can be reduced.

[0078] Exemplarily, in the first direction X, the length of the first main plate 123 is greater than the length of the first support plate 122, and the length of the first support plate 122 is greater than the length of the first welding plate 121. In the second direction Y, the width of the first main plate 123 is greater than the width of the first welding plate 121. This is because the first main plate 123 is the main part for radiation, and therefore, setting the length and width of the first main plate 123 to be greater than the length and width of the other two plates can increase the radiation area and ensure the radiation effect. The first welding plate 121 is used as a welding foot, and it can be welded to the substrate 110. Setting the length and width of the first welding plate 121 to the minimum can save materials and reduce the occupied area of ​​the first welding plate 121 on the substrate 110 to reduce the impact on the arrangement of other electrical components on the substrate 110. The first support plate 122 serves as a support member and also as a transition member between the large-sized first main plate 123 and the small-sized first welding plate 121. Therefore, the size of the first support plate 122 is set to be between the first welding plate 121 and the first main plate 123, which can save materials and achieve a smooth transition between the first welding plate 121 and the first main plate 123.

[0079] The first support plate 122 is used as a transition plate, and its shape can be an irregular shape. Exemplarily, the first support plate 122 includes a first sub-plate 1220, a second sub-plate 1222, and a third sub-plate 1224 that are sequentially connected along the third direction Z. The first sub-plate 1220 is bent and connected to the first welding plate 121, the third sub-plate 1224 is bent and connected to the first main body plate 123, and the second sub-plate 1222 is located between the first sub-plate 1220 and the third sub-plate 1224.

[0080] Exemplarily, the first welding plate 121 is located at one end of the first main plate 123, and the first welding plate 121 is close to the edge of the substrate 110, or the first welding plate 121 is located at one end of the first main plate 123 away from the second frequency band radiation element 140. In the first direction X, in the direction away from the second frequency band radiation element 140, one end of the second sub-plate 1222 is respectively arranged flush with the first sub-plate 1220 and the third sub-plate 1224; in the direction close to the second frequency band radiation element 140, the other end of the second sub-plate 1222 protrudes from the first sub-plate 1220 and the third sub-plate 1224. In the first direction X, the length of the third sub-plate 1224 is greater than the length of the first sub-plate 1220. In the third direction Z, the thickness of the third sub-plate 1224 is less than the thickness of the first sub-plate 1220. Setting the first support plate 122 to an irregular shape can save materials and reduce costs on the basis of a certain supporting force.

[0081] Exemplarily, the second frequency band radiation element 140 includes a second welding plate 141, a second support plate 142 and a second main body plate 143. The second welding plate 141 is attached to the substrate 110 and is spaced from the first welding plate 121 to reduce interference between the two and provide space for the arrangement of the second main body plate 143. The second feeder 150 is electrically connected to the second welding plate 141. The second support plate 142 is bent and connected to the second welding plate 141, and the second support plate 142 extends in a direction away from the substrate 110. The second support plate 142 is spaced from the first support plate 122, which can also reduce interference and interference problems. The second main body plate 143 is bent and connected to the second support plate 142, and the second main body plate 143 is spaced from the first main body plate 123.

[0082] Among them, the second welding plate 141 is also the welding foot of the second frequency band radiator 140, which is used to install the second frequency band radiator 140 on the substrate 110. The second support plate 142 and the second main body plate 143 are three-dimensional components of the second frequency band radiator 140. When manufacturing the second frequency band radiator 140, the second welding plate 141, the second support plate 142 and the second main body plate 143 can be made of a single plate, and then positioned and bent after cutting, so as to realize the integrated molding of the second welding plate 141, the second support plate 142 and the second main body plate 143, which can avoid the occurrence of unstable radiation signal of the second frequency band radiator 140 due to unstable connection, and the second main body plate 143 is bent and set, compared with the vertical setting, the overall height of the second frequency band radiator 140 can be reduced.

[0083] It can be understood that the second frequency band radiator 140 is also a three-dimensional structure, which can not only meet the radiation requirements, but also reduce the height of the second frequency band radiator 140. In addition, the height of the second frequency band radiator 140 is the same as or similar to the height of the first frequency band radiator 120. This is because the embodiment of the present application combines the dual frequency band range and configures two feeders for the dual frequency band. The two feeders can transmit the radiation signals of the two frequency bands respectively, without the need for coupling design, and there is no need to design the structure 2 of the first frequency band and the second frequency band separately, thereby reducing the overall height of the antenna assembly 100, thereby reducing the occupied space of the antenna assembly 100.

[0084] Exemplarily, the projection of the first main plate 123 on the substrate 110 covers the projection of the second welding plate 141 on the substrate 110. That is to say, the second frequency band radiator 140 is arranged close to the first frequency band radiator 120. This can reduce the space occupied by the antenna assembly 100 along the first direction X; coupling can also be achieved to facilitate signal integration.

[0085] The second feeding element 150 extends along the second direction Y, and the first feeding element 130 also extends along the second direction Y, so as to be easily connected to the control end to facilitate signal transmission.

[0086] Since the second welding plate 141 is located below the first main plate 123 , but the second main plate 143 is spaced apart from the first main plate 123 , the shape of the second support plate 142 may also be a spliced ​​shape or an irregular shape.

[0087] Exemplarily, the second support plate 142 includes a fourth sub-plate 1420 and a fifth sub-plate 1422 connected thereto. The fourth sub-plate 1420 is bent and connected to the second welding plate 141, and the fourth sub-plate 1420 extends along the first direction X, and the length along the first direction X is greater than the length of the second welding plate 141, so as to facilitate the connection between the second welding plate 141 and the second main body plate 143. The fifth sub-plate 1422 is bent and connected to the second main body plate 143, and the fifth sub-plate 1422 extends along the third direction Z, so as to cooperate with the fourth sub-plate 1420 to realize the connection between the second main body plate 143 and the second welding plate 141.

[0088] It should be noted that since the length dimension of the second main plate 143 along the first direction X is relatively large, the setting of the second main plate 143 relying solely on the second support plate 142 will make the setting of the second main plate 143 unstable. The end of the second main plate 143 away from the first frequency band radiator 120 is in a suspended state and is prone to shaking. Therefore, the embodiment of the present application provides two support plates for the second frequency band radiator 140.

[0089] For example, please combine Figures 1 to 4 Also see Figure 5 As shown, Figure 5 A schematic diagram of the second structure of the antenna assembly provided in the embodiment of the present application without the substrate. The second frequency band radiator 140 also includes a third welding plate 144 and a third support plate 145. The third welding plate 144 is attached to the substrate 110. The third welding plate 144 is the second welding foot of the second frequency band radiator 140. The third welding plate 144 and the second welding plate 141 are relatively arranged at the two ends of the second main body plate 143 along the first direction X, so that a stable support point can be formed for the second main body plate 143 to reduce the impact on the performance of the second main body plate 143. The third support plate 145 is bent and connected to the third welding plate 144 and the second main body plate 143 respectively. The third support plate 145 and the fifth sub-plate 1422 are relatively arranged at the two ends of the second main body plate 143 along the first direction X, so as to cooperate with the third welding plate 144 and the second welding plate 141 to form a stable support for the second main body plate 143.

[0090] Among them, exemplarily, in the second direction Y, the width of the third welding plate 144 is greater than the width of the second welding plate 141. Since the third welding plate 144 is located at the end of the second main plate 143 away from the first frequency band radiation element 120, the width of the third welding plate 144 can be set slightly wider, which can improve the welding stability without affecting the setting of other devices.

[0091] The antenna assembly 100 of the embodiment of the present application adopts a dual feeding method to implement a design scheme of one antenna with two feeds and two frequency bands. The RF signal is fed to different welding pins of the antenna respectively, so that radiation in two different frequency bands can be achieved.

[0092] Exemplarily, the first frequency band radiator 120 and the second frequency band radiator 140 are integrally formed, so the two are close to each other and are connected; compared with the first frequency band radiator and the second frequency band radiator being set separately, the space occupied by the first frequency band radiator 120 and the second frequency band radiator 140 in the first direction X can be saved, further reducing the volume of the antenna assembly 100, and facilitating the installation of the antenna assembly 100 in an electronic device 1 such as a smart TV.

[0093] For example, please combine Figures 1 to 5 Also see Figure 6 As shown, Figure 6 The third structural schematic diagram of the antenna assembly provided in the embodiment of the present application without the substrate. The antenna assembly 100 further includes a connecting plate 160, which connects the first main body plate 123 and the second main body plate 143 to realize the integrated arrangement of the first frequency band radiator 120 and the second frequency band radiator 140.

[0094] The connecting plate 160 includes a first sub-connecting plate 161, a second sub-connecting plate 162 and a third sub-connecting plate 163. The first sub-connecting plate 161 is bent and connected to the first main body plate 123, and the first sub-connecting plate 161 is arranged on the opposite side of the first support plate 122, that is, the first sub-connecting plate 161 and the first support plate 122 are arranged at opposite ends of the first main body plate 123 along the second direction Y. The second sub-connecting plate 162 is bent and connected to the second main body plate 143, and the second sub-connecting plate 162 and the second support plate 142 are arranged at opposite ends of the second main body plate 143 along the second direction Y. The third sub-connecting plate 163 connects the first sub-connecting plate 161 and the second sub-connecting plate 162. In this way, the layout of the first frequency band radiator 120 and the second frequency band radiator 140 can be made reasonable, reducing the extra occupied space.

[0095] It should be noted that in order to achieve connection on the antenna circuit, the antenna usually needs to be grounded. Exemplarily, the connecting plate 160 also includes a first grounding plate 164, a second grounding plate 165 and a third grounding plate 166, and the first grounding plate 164, the second grounding plate 165 and the third grounding plate 166 are all used for grounding. The first grounding plate 164 is bent and connected to the third sub-connecting plate 163 and is attached to the substrate 110, and the first grounding plate 164 extends toward the first welding plate 121. The second grounding plate 165 is bent and connected to the third sub-connecting plate 163 and is attached to the substrate 110. The second grounding plate 165 has the same extension direction as the first grounding plate 164, and the second grounding plate 165 is spaced apart from the first grounding plate 164. The third grounding plate 166 is bent and connected to the third sub-connecting plate 163 and is attached to the substrate 110. The third grounding plate 166 also has the same extension direction as the first grounding plate 164. The third grounding plate 166 is spaced from the second grounding plate 165, and the second grounding plate 165 is located between the first grounding plate 164 and the third grounding plate 166. While using three grounding plates, i.e., three grounding solder pins, to connect the two frequency band radiation plates, a certain degree of isolation can also be achieved, so that the antennas of the two frequency bands do not interfere with each other.

[0096] In which, the first feeder 130 and the second feeder 150 extend to the edge of the substrate 110 along the second direction Y. In order not to affect the feeding of the first feeder 130 and the second feeder 150, the second feeder 150 is arranged between the second grounding plate 165 and the third grounding plate 166, and the first feeder 130 is arranged on the side of the first grounding plate 164 away from the second grounding plate 165.

[0097] The shapes of the first feeder 130 and the second feeder 150 may be such that the area of ​​the first feeder 130 close to the first welding plate 121 is larger than the area of ​​the end away from the first welding plate 121. The area of ​​the second feeder 150 close to the second welding plate 141 is larger than the area of ​​the end away from the second welding plate 141. The feeder configured in this way can not only conveniently lead out the radiation signals of the first main body plate 123 and the second main body plate 143, but also facilitate the connection of the feeder with other devices.

[0098] The antenna assembly 100 of the embodiment of the present application adopts a dual-feed method to realize a design scheme of one antenna, two feeds and two frequency bands, which includes a 5G band radiator, a 2.4G band radiator, a 5G band solder pin, a 2.4G band solder pin and a ground solder pin shared by three antennas. The RF signal is fed to different solder pins of the antenna to realize radiation of two different frequency bands. When the ground solder pin is used to connect the radiators of the two frequency bands, a certain degree of isolation can be achieved, so that the antennas of the two frequency bands do not interfere with each other.

[0099] Among them, the antenna assembly 100 of the embodiment of the present application is adopted, and the overall size of the antenna assembly 100 is 24mm×4.2mm×3.7mm, and the area of ​​the substrate 110 occupied by it is only 24mm×4.2mm, and the overall cross-sectional height is only 3.7mm, which greatly compresses the spatial height of the module. Similarly, the antenna is designed as a rectangular parallelepiped structure, and as a hexahedron, only four sides have a metal structure, which greatly simplifies the production process steps and is easy to produce. In addition, there is a sufficiently large plane structure above the antenna. When the antenna is used as a device, it provides a suction area for the suction nozzle to absorb the device when performing SMT (Surface Mount Technology), and the production performance of the patch is also very high. In response to the surface mounting requirements of the circuit board, all the solder pins of the metal antenna can meet the requirements of automated patching. Due to the uniqueness of its structure, it is difficult for the metal antenna to realize a multi-band solution similar to the PCB antenna by using a coupled parasitic unit. Therefore, in general, a certain radiation height and space are required to realize multi-branch multi-band design for the metal antenna. The embodiment of the present application utilizes the dual-band characteristics of the antenna and adopts a dual-feed method to achieve an integrated dual-band metal antenna design.

[0100] By using the antenna assembly 100 of the embodiment of the present application, the standing wave ratio of the antenna meets the usage requirements of the wifi band, and the bandwidth of the 5G band is extremely wide, which meets the expanded use of the 6G band by wifi6e / wifi7.

[0101] Moreover, when the antenna is in a single module state, the omnidirectional vertical polarization gain meets the requirement of -10dB, and the omnidirectionality is good; in the context of an electronic device 1 such as a smart TV, the gain is improved and the omnidirectionality is better.

[0102] In the antenna assembly 100 and the electronic device 1 provided in the embodiment of the present application, the first frequency band radiating element 120 and the second frequency band radiating element 140 are respectively provided with a first feeding element 130 and a second feeding element 150, that is, a dual-band dual feeding method is used to replace the existing dual-frequency single feeding method, and the setting of the duplexer is cancelled, so that the dual-frequency ranges are combined, and there is no need to take into account the structures of the first frequency band and the second frequency band for separate design, thereby reducing the overall height of the antenna assembly 100, and further reducing the occupied space of the antenna assembly 100.

[0103] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0104] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0105] The antenna assembly and electronic device provided in the embodiments of the present application are introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. An antenna assembly, characterized in that: include: substrate; A first frequency band radiation element, disposed on the substrate; A first feeding element, disposed on the substrate and electrically connected to the first frequency band radiation element; A second frequency band radiating element is disposed on the substrate and spaced apart from the first frequency band radiating element, wherein a second frequency band radiated by the second frequency band radiating element is smaller than a first frequency band radiated by the first frequency band radiating element; The second feeding element is arranged on the substrate and is electrically connected to the second frequency band radiation element. The second feeding element is spaced apart from the first feeding element.

2. The antenna assembly according to claim 1, characterized in that: The first frequency band radiating element comprises: A first welding plate is attached to the substrate, and the first power feeder is electrically connected to the first welding plate; A first supporting plate, connected to the first welding plate by bending, and the first supporting plate extends in a direction away from the base plate; A first main body plate, bent and connected to the first support plate; The first welding plate, the first supporting plate and the first main body plate are arranged to form a first space.

3. The antenna assembly according to claim 2, characterized in that: The antenna assembly has a first direction and a second direction perpendicular to each other, and the first frequency band radiating element and the second frequency band radiating element are arranged along the first direction; In the first direction, the length of the first main body plate is greater than the length of the first support plate, and the length of the first support plate is greater than the length of the first welding plate; In the second direction, the width of the first main body plate is greater than the width of the first welding plate.

4. The antenna assembly according to claim 3, characterized in that: The antenna assembly also has a third direction perpendicular to the first direction and the second direction respectively; The first support plate includes a first sub-plate, a second sub-plate and a third sub-plate connected in sequence along the third direction, the first sub-plate is bent and connected to the first welding plate, and the third sub-plate is bent and connected to the first main body plate; in the first direction, the second sub-plate protrudes from the first sub-plate and the third sub-plate respectively.

5. The antenna assembly according to claim 4, characterized in that: In the first direction, the length of the third sub-board is greater than the length of the first sub-board.

6. The antenna assembly according to claim 4, characterized in that: In the third direction, the thickness of the third sub-board is smaller than the thickness of the first sub-board.

7. The antenna assembly according to claim 2, characterized in that: The second frequency band radiating element comprises: a second welding plate, attached to the substrate and spaced apart from the first welding plate, the second power feeder being electrically connected to the second welding plate; A second support plate, connected to the second welding plate by bending, and extending in a direction away from the base plate, and spaced apart from the first support plate; The second main body plate is bent and connected to the second support plate, and the second main body plate is spaced apart from the first main body plate.

8. The antenna assembly according to claim 7, characterized in that: The projection of the first main body plate on the substrate covers the projection of the second welding plate on the substrate.

9. The antenna assembly according to claim 8, characterized in that: The antenna assembly has a first direction, a second direction and a third direction which are perpendicular to each other; the first frequency band radiating element and the second frequency band radiating element are arranged along the first direction, and the second feeding element extends along the second direction; The second support plate includes a fourth sub-plate and a fifth sub-plate connected to each other, the fourth sub-plate is bent and connected to the second welding plate, and the fourth sub-plate extends along the first direction; the fifth sub-plate is bent and connected to the second main body plate, and the fifth sub-plate extends along the third direction.

10. The antenna assembly according to claim 9, characterized in that: The second frequency band radiation element also includes a third welding plate and a third support plate. The third welding plate is attached to the substrate. The third support plate is respectively bent and connected to the third welding plate and the second main plate. The third support plate and the fifth sub-plate are arranged opposite to each other at the two ends of the second main plate along the first direction.

11. The antenna assembly according to claim 10, characterized in that: In the second direction, the width of the third welding plate is greater than the width of the second welding plate.

12. The antenna assembly according to claim 7, characterized in that: The first frequency band radiating element and the second frequency band radiating element are integrally formed.

13. The antenna assembly according to claim 12, characterized in that: The antenna assembly further comprises: A connecting plate connects the first main body plate and the second main body plate.

14. The antenna assembly according to claim 13, characterized in that: The connecting plate comprises: A first sub-connecting plate, bent and connected to the first main body plate; A second sub-connecting plate, bent and connected to the second main body plate; The third sub-connection board connects the first sub-connection board and the second sub-connection board.

15. The antenna assembly according to claim 14, characterized in that: The connecting plate also includes: A first grounding plate is bent and connected to the third sub-connecting plate and attached to the substrate, and the first grounding plate is used for grounding; A second grounding plate is bent and connected to the third sub-connection plate and attached to the substrate. The second grounding plate is spaced apart from the first grounding plate and is used for grounding. The third grounding plate is bent and connected to the third sub-connecting plate and attached to the substrate. The third grounding plate is spaced apart from the second grounding plate. The second grounding plate is located between the first grounding plate and the third grounding plate. The third grounding plate is used for grounding.

16. The antenna assembly according to claim 15, characterized in that The second feeding element is located between the second grounding plate and the third grounding plate; and the first feeding element is located on a side of the first grounding plate away from the second grounding plate.

17. The antenna assembly according to claim 7, characterized in that: The area of ​​the first power feeding member close to the first welding plate is larger than the area of ​​the first power feeding member far from the first welding plate; An area of ​​the second feeding element at one end close to the second welding plate is larger than an area of ​​the second feeding element at one end far from the second welding plate.

18. An electronic device, characterized in that: Comprising the antenna assembly as described in any one of claims 1-17.

Images