CN216563529U - Antenna module and electronic equipment - Google Patents

Abstract

The embodiment of the application provides an antenna module and electronic equipment, the antenna module includes antenna and metal center, the metal center is provided with first gap, second gap and the third gap that communicates in proper order, the direction that sets up in second gap with first gap with the third gap is all inequality, first gap intercommunication the frame of metal center, with the frame forms metal minor matters, the antenna includes the metal minor matters, the antenna module of this application can promote the performance of antenna.

Description

Antenna module and electronic equipment

Technical Field

The present invention relates to the field of communications technologies, and in particular, to an antenna module and an electronic device

Background

An antenna (e.g., a Global Positioning System (GPS) antenna, a Wireless Fidelity (WiFi) antenna, or a Long Term Evolution (LET) antenna) is often disposed in the electronic device, and is used for implementing functions of Positioning, navigation, or data transmission of the electronic device.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an antenna module and an electronic device, which can improve the performance of an antenna.

The embodiment of the application provides an antenna module, antenna module includes antenna and metal center, the metal center is provided with first gap, second gap and the third gap that communicates in proper order, the second gap set up the direction with first gap with the third gap is all inequality, first gap intercommunication the frame of metal center, with the frame forms the metal minor matters, the antenna includes the metal minor matters.

The embodiment of the application also provides electronic equipment which comprises the antenna module.

The embodiment of the application provides an antenna module, antenna module include antenna and metal center, and the metal center is provided with first gap, second gap and the third gap that communicates in proper order, and the direction that sets up of second gap is all inequality with first gap and third gap, and the frame of first gap intercommunication metal center to form the metal minor matters at the frame, the antenna includes the metal minor matters. The performance of the antenna can be improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of a first structure of an antenna module according to an embodiment of the present disclosure.

Fig. 2 is an input return loss resonance diagram of an antenna module according to an embodiment of the present application.

Fig. 3 is a current distribution diagram of the antenna module of fig. 2 in a mode.

Fig. 4 is a schematic structural diagram of another antenna module.

Fig. 5 is an input return loss resonance diagram of the antenna module shown in fig. 4.

Fig. 6 is an upper hemispherical efficiency ratio diagram of the antenna module shown in fig. 4.

Fig. 7 is a schematic structural diagram of another antenna module.

Fig. 8 is an input return loss resonance diagram of the antenna module shown in fig. 7.

Fig. 9 is an upper hemispherical efficiency ratio diagram of the antenna module shown in fig. 7.

Fig. 10 is an efficiency ratio diagram of an upper hemisphere of an antenna module according to an embodiment of the present application.

Fig. 11 is an input return loss resonance diagram after the antenna module adjusts and matches according to the embodiment of the present application.

Fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

An embodiment of the present application provides an antenna module, please refer to fig. 1, and fig. 1 is a first schematic structural diagram of the antenna module provided in the embodiment of the present application, where the antenna module 100 includes an antenna 110 and a metal middle frame 120, the metal middle frame 120 is provided with a first slot 131, a second slot 132, and a third slot 133 that are sequentially communicated, a setting direction of the second slot 132 is different from a setting direction of the first slot 131 and the setting direction of the third slot 133, the first slot 131 is communicated with a frame 121 of the metal middle frame 120 to form a metal branch 134 on the frame 121, and the antenna 110 includes the metal branch 134.

Compared with the antenna module in which the slot is formed along one direction at the edge of the metal middle frame 120 to form the antenna, the antenna module provided by the embodiment of the application has the advantages that the upper hemispherical efficiency of the antenna is higher, and the antenna performance is better. Specifically, the first slit 131 and the third slit 133 of the present application may be disposed along a first direction, and the second slit 132 may be disposed along a second direction, the first direction and the second direction being different. In some embodiments, the first direction may be perpendicular to the second direction.

To further improve antenna performance, the length of the metal stub 134 is equal to the length of the second slot 132. That is, the extending direction of the second slit 132 is parallel to the length direction of the metal branch 134, and the length of the third slit 133 needs to be longer than the length of the metal branch 134. In some embodiments, the length of third slot 133 is three times the length of metal stub 134.

The metal branch 134 may serve as an antenna unit of the antenna 110, and the feeding point of the antenna 110 may be electrically connected to the metal branch 134, so that the antenna unit may transmit signals. Referring to fig. 2, fig. 2 is an input return loss resonance diagram of the antenna module according to the embodiment of the present application, and the S11 resonance mode of the antenna is a 1/2 wavelength mode of the metal branch 134 and the third slot 133. The current distribution in this mode is shown by the arrow direction in fig. 3, and fig. 3 is a current distribution diagram in the mode of the antenna module in fig. 2.

Referring to fig. 4, fig. 4 is a schematic structural diagram of another antenna module. In the antenna module of fig. 4, the metal middle frame 140 includes a frame 141, the frame 141 includes a first end 1411 and a second end 1412, a slit 142 is disposed near the first end 1411 of the frame 141 to form a metal branch 143 at the first end 1411, and the antenna 144 includes the metal branch 143. The metal branch 143 may serve as an antenna element of the antenna 144, and a feeding point of the antenna 144 may be electrically connected to the metal branch 143, so that the antenna element may transmit signals. Referring to fig. 5 and 6, fig. 5 is an input return loss resonance diagram of the antenna module shown in fig. 4, and fig. 6 is an upper hemisphere efficiency ratio diagram of the antenna module shown in fig. 4. As can be seen from the figure, the upper hemispherical efficiency of the antenna module of fig. 4 is-2.68 dB (about 54%). The upper hemisphere efficiency is low.

Referring to fig. 7, fig. 7 is a schematic structural diagram of another antenna module, the metal middle frame 150 includes a frame 151, the frame 151 includes a first end portion 1511 and a second end portion 1512, and a middle portion 1513 connecting the first end portion 1511 and the second end portion 1512, a slot 152 is disposed in the middle portion 1513 to form a metal branch 153 in the middle portion 1513, and the antenna 154 includes the metal branch 153. The metal branch 153 may serve as an antenna element of the antenna 154, and a feeding point of the antenna 154 may be electrically connected to the metal branch 153, so that the antenna element may transmit signals. Referring to fig. 8 and 9, fig. 8 is an input return loss resonance diagram of the antenna module shown in fig. 7, and fig. 9 is an upper hemisphere efficiency ratio diagram of the antenna module shown in fig. 7. As can be seen from the figure, the upper hemispherical efficiency fraction of the antenna module of fig. 7 is-1.25 dB (about 75%). Although the efficiency ratio of the upper hemisphere of the antenna module in fig. 7 is higher than that of the upper hemisphere of the antenna module in fig. 4, the slot in fig. 7 needs to be disposed in the middle portion 1513 of the frame, and when the antenna module is applied to an electronic device, the slot needs to be formed in the middle portion of the frame of the metal middle frame of the electronic device, and a clearance area needs to be reserved in the middle portion of the electronic device, which affects the appearance of the electronic device. The space of the metal middle frame cannot be fully utilized.

Compared with the antenna module shown in fig. 4 and 5, the upper hemispherical efficiency ratio of the antenna module provided in the embodiment of the present application can reach-0.86 dB (about 82%), and no slot needs to be formed in the middle of the frame, please refer to fig. 1-3 and fig. 10, where fig. 10 is a diagram of the upper hemispherical efficiency ratio of the antenna module provided in the embodiment of the present application. The frame 121 includes a first end 1211 and a second end 1212 opposite to each other, and the metal branch 134 is formed at the first end 1211. That is to say when being applied to electronic equipment with this antenna module, need not to open a seam in the frame middle part of electronic equipment's metal center, and need not electronic equipment's middle part and reserve the headroom region, do not influence electronic equipment's pleasing to the eye, in addition, can satisfy electronic equipment to the demand of antenna quantity, the space of make full use of metal center. As shown in fig. 10, the upper hemispherical efficiency ratio of the antenna module provided in the embodiment of the present application can reach-0.86 dB (about 82%), which is higher than-2.68 dB (about 54%) of the upper hemispherical efficiency ratio of the antenna module of fig. 4, and is also higher than-1.25 dB (about 75%) of the upper hemispherical efficiency ratio of the antenna module of fig. 7.

The antenna of the antenna module provided in the embodiment of the present application may be a GPS antenna, for example, a GPS-L5 antenna, and the carrier frequency of the antenna is 1176.45MHz, and of course, the antenna module may also be a WiFi antenna and an LTE antenna by adjusting the matching. Please refer to fig. 11 when covering the frequency bands of the WiFi antenna and the LTE, and fig. 11 is an input return loss resonance diagram after the antenna module adjusts the matching according to the embodiment of the present application. As can be seen from fig. 11, the adjusted and matched antenna module has resonance at 2-2.5GHz, can support the capability of covering 2.3-2.5GHz, and can cover frequency bands of wifi2.4 (2.4-2.483 GHz), LTE B40(2.3-2.4GHz), and the like. And the requirement of the user on the diversity of the antenna frequency bands is met.

The embodiment of the present application further provides an electronic device, where the electronic device 200 may be a mobile terminal such as a mobile phone, a tablet personal computer (tablet personal computer), a laptop computer (laptop computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a wearable device (wearable device), a computer, or a notebook computer. In a specific application, the electronic device 200 may also be other electronic devices such as a router in-vehicle terminal, and is not limited in this respect. With reference to fig. 12, please continue to refer to the mobile phone example, and fig. 12 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device may include a cover plate, a display screen, a circuit board, a battery, and a housing.

Wherein the cover plate is mounted to the display screen to cover the display screen. The cover plate may be a clear glass cover plate. In some embodiments, the cover plate may be a glass cover plate made of a material such as sapphire.

The display screen is mounted on the housing to form a display surface of the electronic device. The display screen may include a display area and a non-display area. The display area is used for displaying information such as images and texts. The non-display area does not display information. Functional components such as a fingerprint module, a touch circuit and the like can be arranged at the bottom of the non-display area. Of course, in order to increase the screen area ratio of the display screen, the non-display region may not be provided or may be smaller in area.

The circuit board is mounted inside the housing. The circuit board may be a motherboard of the electronic device. Functional components such as a camera, a proximity sensor and a processor can be integrated on the circuit board. Meanwhile, the display screen may be electrically connected to the circuit board.

The battery is mounted inside the housing. The battery is used for supplying electric energy to the electronic equipment.

The housing is used to form the outer contour of the electronic device. The shell can be made of plastic or metal. The housing may be integrally formed.

In some embodiments, Radio Frequency (RF) circuitry is disposed on the circuit board. The radio frequency circuit can be connected with the antenna module, and the radio frequency circuit can communicate with network equipment (for example, a server, a base station and the like) or other electronic equipment (for example, a smart phone and the like) through a wireless network so as to complete information transceiving with the network equipment or the other electronic equipment. The metal middle frame of the antenna module can be a metal middle frame of electronic equipment, the metal middle frame can be used for bearing electronic elements such as circuit board batteries and the like, a first gap, a second gap and a third gap which are communicated in sequence are arranged on the metal middle frame of the electronic equipment, the setting direction of the second gap is different from that of the first gap and that of the third gap, the first gap is communicated with a frame of the metal middle frame 0, metal branches are formed on the frame, the metal branches serve as antenna units of the antenna, a radio frequency circuit can be electrically connected with the antenna units, signals can be transmitted by the antenna units, the first gap, the second gap and the third gap are communicated in sequence through the setting, the arrangement directions of the second gap, the first gap and the third gap are different, the ratio of upper hemisphere efficiency of the antenna can be improved, and the performance of the antenna module is improved. The antenna unit can be used for transmitting at least one of a GPS signal, a WiFi signal and an LTE signal, and the requirement for the type of the antenna signal can be met.

The electronic device may also include a memory and a processor. An electronic device may include more or fewer components, or some components may be combined, or a different arrangement of components.

The memory may be used to store applications and data. The memory stores an application program having executable program code embodied therein. The application programs may constitute various functional modules. The processor executes various functional applications and data processing by running the application programs stored in the memory.

The processor is the control center of the electronic device. The processor connects various parts of the entire electronic device using various interfaces and lines, performs various functions of the electronic device and processes data by running or executing application programs stored in the memory and calling data stored in the memory, thereby integrally monitoring the electronic device.

In addition, the electronic device may further include a camera module, a bluetooth module, and the like, which are not described herein again.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed.

The antenna module and the electronic device provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the description of the above embodiments is only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. The utility model provides an antenna module, its characterized in that, antenna module includes antenna and metal center, the metal center is provided with first gap, second gap and the third gap that communicates in proper order, the direction that sets up in second gap with first gap with the third gap is all inequality, first gap intercommunication the frame of metal center, with the frame forms the metal minor matters, the antenna includes the metal minor matters.

2. The antenna module of claim 1, wherein the first slot and the third slot are disposed along a first direction, wherein the second slot is disposed along a second direction, and wherein the first direction and the second direction are different.

3. The antenna module of claim 2, wherein the first direction and the second direction are perpendicular.

4. The antenna module of any one of claims 1-3, wherein the length of the metal stub is equal to the length of the second slot.

5. The antenna module of claim 4, wherein the length of the third slot is greater than the length of the metal stub.

6. The antenna module of claim 5, wherein the length of the third slot is three times the length of the metal stub.

7. The antenna module of claim 1, wherein the bezel includes a first end and a second end disposed opposite to each other, and wherein the metal stub is formed at the first end.

8. The antenna module of claim 1, wherein the antenna comprises one or more of a GPS antenna, a WiFi antenna, and LTE.

9. The antenna module of claim 8, wherein the GPS antenna is a GPS-L5 antenna and the carrier frequency is 1176.45 MHz.

10. An electronic device, characterized in that the electronic device comprises an antenna module according to any of claims 1-9.

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