CN218525734U

CN218525734U - Antenna module and electronic equipment

Info

Publication number: CN218525734U
Application number: CN202223108380.XU
Authority: CN
Inventors: 付荣; 李源; 梁榜; 杨先歌
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-02-24
Anticipated expiration: 2032-11-22
Also published as: TWM641380U

Abstract

The utility model relates to an antenna module and electronic equipment. The antenna module comprises a main board and an antenna; the main board is provided with a clearance area which divides the main board into a main body part and a split part, and the split part is provided with a first conductive part; the antenna comprises a feeding portion, wherein the feeding portion is electrically connected with the first conductive portion, and the antenna takes the first conductive portion as a radiator. The antenna module forms a clearance area on the mainboard, and takes a first conductive part arranged in a split part separated by the clearance area as a radiator to receive and transmit signals; compare in the scheme of current limited space arrangement special irradiator in electronic equipment, the utility model discloses can realize better antenna performance to need not to keep somewhere great headroom region in components of a whole that can function independently portion, can unrestricted arrange the relevant device that contains metal material in components of a whole that can function independently portion department, thereby structural design and device arrangement of also being convenient for also are favorable to realizing that electronic equipment's miniaturization, frivolousization and big screen account for than etc..

Description

Antenna module and electronic equipment

Technical Field

The utility model relates to an antenna technology field especially relates to an antenna module and electronic equipment.

Background

In the existing electronic equipment such as a smart watch and a mobile phone, an antenna is a necessary component for realizing interaction with external signals, the performance of the antenna directly determines the communication performance of the electronic equipment, and the use experience of the electronic equipment and even the realization of corresponding functions are directly influenced.

For electronic equipment such as smart watches and mobile phones, miniaturization, lightness, thinness and larger screen occupation ratio are continuous development directions, which all challenge the structural design inside the electronic equipment and bring greater difficulty. Particularly, for the antenna modules in these electronic devices, the sacrifice of miniaturization, lightness, thinness and larger screen occupation ratio leads to poor signals of some existing electronic devices.

SUMMERY OF THE UTILITY MODEL

The utility model provides an antenna module and electronic equipment to the antenna performance and the relatively poor technical problem of signal strength of the antenna module that electronic equipment adopted among the above-mentioned prior art of solution.

The utility model provides an antenna module, which comprises a main board and an antenna; the main board is provided with a clearance area, the clearance area divides the main board into a main body part and a split part, and the split part is provided with a first conductive part; the antenna comprises a feed portion, the feed portion is electrically connected with the first conductive portion, and the antenna takes the first conductive portion as a radiator.

The antenna module forms a clearance area on the mainboard, and a first conductive part arranged in a split part separated by the clearance area is used as a radiator for receiving and transmitting signals; compare when setting up the antenna module in current electronic equipment and arrange the scheme of special irradiator in limited space, the utility model discloses can realize better antenna performance to need not to keep somewhere great headroom region in components of a whole that can function independently portion, can unrestricted arrange the relevant device that contains metal material in components of a whole that can function independently portion department, thereby the inside structural design of electronic equipment of also being convenient for and device arrange, also be favorable to realizing that electronic equipment's miniaturization, frivolousization and big screen account for than etc..

Based on the above antenna module provided by the present invention, it is further preferable that the main body portion is provided with a second conductive portion and has a ground terminal; the antenna is connected to a ground terminal on the main body portion.

In the preferred embodiment, the antenna is grounded, so that the noise in the signal transmission process can be reduced, and the signal quality can be improved.

Based on the utility model provides an above-mentioned antenna module, further preferably, antenna module still includes first device unit, first device unit include with the third conductive part that first conductive part is connected.

In this preferred embodiment, the third conductive part capable of conducting in the first device unit of the antenna module is connected to the first conductive part, so that the third conductive part is used as the radiator of the antenna as well as the first conductive part, thereby extending the coverage of the radiator of the antenna, and thus further improving the quality of signal transmission and reception and enhancing the signal strength.

Based on the utility model provides an above-mentioned antenna module, further preferably, first device unit is the camera.

In the preferred embodiment, a camera commonly used in electronic equipment is used as the first device unit, so that the above-mentioned scheme for enhancing the signal transceiving quality and the signal strength can be generally applied to the commonly used electronic equipment, that is, the application range is wide.

Based on the utility model provides an above-mentioned antenna module, further preferred, the clearance area is the gap form.

In the preferred scheme, the gap shape is a simple geometric shape, and the clearance area is arranged to be the gap shape, so that the preparation and the processing are convenient; moreover, the gap shape occupies a small area, so that the occupation ratio of the clearance area on the main board can be reduced, and the main body part or the split part can have a larger size area.

Based on the utility model provides an above-mentioned antenna module, further preferably, the headroom district sets up on the length direction or the width direction of mainboard, and neighbouring the edge setting is held to arbitrary one side of mainboard.

In this preferred embodiment, the clearance is disposed adjacent to a side edge of the motherboard, so that the motherboard is divided into two parts, one large part and one small part, based on the two parts, the larger part is used as a main body part for implementing a main function of the motherboard, and the smaller part is used as a division part in which the first conductive part is disposed and used as a radiator of the antenna. The arrangement can ensure that the main body part has enough area for realizing corresponding main functions; meanwhile, as for the general requirements of electronic equipment, the radiator for radiating signals outwards does not need a large size area, so that the arrangement can ensure the function of radiating signals outwards by the radiator.

Based on the utility model provides an above-mentioned antenna module, further preferably, first conductive part radiates at least one in navigation positioning signal, WIFI signal, 4G signal, the 5G signal.

In this preferred scheme, the antenna module can obtain communication functions such as navigation positioning, WIFI connection or mobile data connection through first electrically conductive part, can satisfy the antenna module and carry out the needs that communicate with the external world.

Based on the utility model provides an above-mentioned antenna module, further preferred, the mainboard is the PCB board.

In this preferred scheme, the PCB board is the basic device of electronic equipment universal adoption, consequently, the utility model discloses an antenna module's scheme can be applicable to all have the PCB board and have in the electronic equipment who carries out the demand that communicates with the external world.

The utility model provides an electronic equipment, it includes foretell antenna module.

Based on the utility model provides an above-mentioned electronic equipment, further preferably, electronic equipment includes in the intelligent wrist-watch, cell-phone, notebook computer, panel computer and the electronic book reader arbitrary.

In this preferred scheme, the size that smart watch, cell-phone, notebook computer, panel computer and electronic book read the ware is less, and it has miniaturization, frivolousization and big screen account for the demand of comparing, and consequently the structural arrangement of its inside antenna receives great restriction, the utility model discloses in regard to the irradiator of antenna with partly as the mainboard, need not arrange extra irradiator, consequently, be particularly useful for among the above-mentioned smart watch, cell-phone, notebook computer, panel computer and the electronic book ware, especially smart watch and cell-phone.

The utility model provides an above-mentioned antenna module and electronic equipment compares with prior art and has following technological effect:

the utility model provides an antenna module, form the headroom on the mainboard, and regard the first conductive part that sets up in the separated body portion that the headroom separates as the irradiator and carry on the receiving and dispatching of the signal; compare when arranging antenna module in current electronic equipment and arrange the scheme of special irradiator in limited space, the utility model discloses can realize better antenna performance to need not to keep somewhere great headroom region in components of a whole that can function independently portion, can arrange the relevant device that contains the metal material at components of a whole that can function independently portion unrestricted, thereby the inside structural design of electronic equipment of also being convenient for and device arrange, also be favorable to realizing that electronic equipment's miniaturization, frivolousization and big screen account for than etc..

The utility model provides an electronic equipment, it includes foretell antenna module, certainly has the beneficial effect unanimous with above-mentioned antenna module, no longer gives unnecessary details.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an antenna module applied to an electronic device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an antenna module applied to an electronic device (without a housing) according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the structure of a main board (the clearance area is not shown) and a camera according to an embodiment of the present invention;

fig. 4 is a schematic view of a main board, a camera and other structures in a top view direction according to an embodiment of the present invention;

fig. 5 is a schematic view of an alternative embodiment of the present invention showing the structure of the main board and the camera in the top view direction;

fig. 6 is a schematic view of a main board, a camera and other structures in a top view according to another alternative embodiment of the present invention;

fig. 7 is a schematic view of a motherboard, a camera and other structures in an alternative embodiment of the present invention in a top view direction;

FIG. 8 is a schematic view of another alternative embodiment of the present invention showing the structure of the main board and the camera head in the top view direction

Fig. 9 is a schematic view of another alternative embodiment of the present invention, wherein the main board and the camera are arranged in a top view direction

Fig. 10 is a schematic view of another alternative embodiment of the present invention, wherein the main board and the camera are arranged in a top view direction

Fig. 11 is a schematic view of a motherboard, a camera and other structures in an alternative embodiment of the present invention in a top view direction.

In the figure:

10-a main board; 11-a clean-out zone; 12-a body portion; 13-a split portion;

20-an antenna; 21-a feeding part;

30-a first device cell;

301-a third conductive portion;

40-a housing; 50-bottom support; 60-a display screen; 70-a battery; 80-a speaker; 90-push button; 100-watchband.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following describes embodiments of the antenna module and the electronic device according to the present invention with reference to the drawings.

In this embodiment, the antenna module is generally applied to an electronic device, and the antenna module uses a communication technology to enable the electronic device to implement a communication function, where the communication technology used by the antenna module is, for example: bluetooth (BT) communication technology, global Positioning System (GPS) communication technology, wireless fidelity (WiFi) communication technology, global system for mobile communications (GSM) communication technology, wideband Code Division Multiple Access (WCDMA) communication technology, long Term Evolution (LTE) communication technology, 5G communication technology, sub 6G communication technology, and other future communication technologies, and the like. For example, the antenna module may adopt one communication technology or multiple communication technologies, which is not limited by the present invention.

In an embodiment of the present invention, referring to fig. 1 to 4, the antenna module includes a main board 10 and an antenna 20. The main board 10 is provided with a clearance area 11, the clearance area 11 divides the main board 10 into a main body portion 12 and a split portion 13, and the split portion 13 is provided with a first conductive portion. The antenna 20 includes a feeding portion 21, the feeding portion 21 is electrically connected to the first conductive portion, and the antenna 20 has the first conductive portion as a radiator.

In this embodiment, the main Board 10 may be a Printed Circuit Board (PCB). A PCB generally includes an insulating base plate, and a conductive layer and electronic components formed on the insulating base plate, and in an electronic device, the PCB generally functions to achieve electrical connection and mount the electronic components.

In this embodiment, the clearance zone 11 may be embodied as a slot on the PCB that divides the PCB into two parts, namely a main part 12 and a separate part 13. Wherein, the main body 12 is provided with a conductive layer for realizing electric connection, and is provided with electronic components; that is, the main body 12 is a main body of the PCB, and in the PCB, each function of the PCB itself is mainly realized by the main body 12; the split portion 13 is mainly used for providing a first conductive portion, and the first conductive portion is used as a radiator of the antenna 20.

The first conductive part provided in the separate part 13 may be made of a conductive metal material, a conductive rubber, a conductive plastic, or the like.

In this embodiment, the principle and process of transceiving signals by the antenna are substantially identical to those of the conventional antenna. Specifically, a Central Processing Unit (CPU) of the electronic device or the like may be used as a feed source, and the feed source transmits an electrical signal to the radiator, that is, the first conductive part, through the feed part 21, and the first conductive part radiates the signal outwards. Specifically, the signal radiated and received by the first conductive part may be one or more of a navigation positioning signal (such as a GPS signal, a beidou navigation signal, etc.), a WIFI signal, a 4G signal, and a 5G signal, so as to respectively realize functions of position positioning, WIFI connection, mobile data connection, and the like of the electronic device.

Compared with the arrangement mode of the antenna in the existing electronic device, in the embodiment, the clearance area 11 is formed on the main board 10, and the first conductive part arranged in the split part 13 separated by the clearance area 11 is used as a radiator, so that better antenna performance can be realized; specifically, take GPS navigation positioning signal as an example, its signal strength can promote 4dB, take WIFI2G signal as an example, its signal strength can promote 2dB. Moreover, in the electronic device using the antenna module in this embodiment, there is no need to leave a large clear area at the split portion 13, and related devices including metal materials can be arranged at the split portion 13 without any limitation, so that the structural design and device arrangement inside the electronic device are facilitated, and the miniaturization, light weight, large screen occupation ratio, and the like of the electronic device are also facilitated.

In one embodiment of the antenna module, the main body 12 is provided with a second conductive part and has a ground GND; the antenna 20 is connected to the second conductive part and is connected to the ground GND via the second conductive part.

In particular, the second conductive portion may be embodied as one or more conductive layers, with insulating layers separating adjacent layers when the conductive layers are multi-layered. In this embodiment, the one or more conductive layers are used to mount and connect the electronic devices to the motherboard 10 and to electrically connect the electronic devices.

The main body 12 of the main board 10 is provided with a ground GND. In the present embodiment, the antenna 20 is connected to the second conductive part and connected to the ground GND through the second conductive part, so that the noise in the radiated or received signal can be reduced and the signal quality can be improved.

In an embodiment of the antenna module, as shown in fig. 1 to 3, the antenna module further includes a first device unit 30, and the first device unit 30 includes a third conductive portion 301 connected to the first conductive portion. Specifically, the first device unit 30 may be a camera, the camera usually has a metal structure, and the metal structure is connected to the first conductive part as the third conductive part 301 (for convenience of description, the metal structure is used as an example to describe and explain below as the non-metal structure but the conductive structure in the camera or the first device unit 30 is also used as the third conductive part 301), in this case, the metal structure in the camera can radiate a signal, which is equivalent to a part of a radiator of the antenna 20, so that the performance of the antenna 20 can be further enhanced. In addition, taking the camera as an example, the camera is usually exposed on the external surface of the electronic device and is not completely sealed by the housing structure of the electronic device (especially when the housing structure of the electronic device is metal), which can further enhance the efficiency and performance of the radiator for transmitting and receiving signals, thereby contributing to further improving the signal strength of the antenna.

In this embodiment, the first conductive part of the motherboard 10 and the metal structural part in the first device unit 30 are used as radiators, and a LOOP antenna (LOOP antenna) may be formed to implement transceiving of GPS L1 signals, WIFI2G signals, 5G signals, and the like, so that excellent antenna performance can be achieved without adding extra wires.

When the electronic device using the antenna module in this embodiment is an intelligent watch, the camera serving as the first device unit 30 may be a front camera mounted on a front panel of the intelligent watch; when the electronic device using the antenna module in this embodiment is a mobile phone, a tablet computer, or the like, the camera may be a rear camera of the mobile phone, the tablet computer, or the like, or a front camera thereof, or both the front camera and the rear camera are the first device unit 30, and are connected to the first conductive part. In other embodiments, the first device unit may also be another structural module besides a camera.

In one embodiment of the antenna module, as shown in fig. 4, the clearance area 11 is in the shape of a slot. Generally, the gap-shaped structure can reduce the area of the clearance area 11, so that the main body 12 or the separate body 13 can have a larger size to achieve the effects of more convenient electrical connection routing or better antenna performance. Specifically, the slot of the clearance 11 may be set to an integral multiple of a quarter wavelength in the length direction.

Specifically, the clearance area 11 may be disposed in a length direction or a width direction of the main board 10, and disposed adjacent to any one side edge of the main board 10. For example, in the embodiment shown in fig. 4, the clearance area 11 is disposed adjacent to the upper edge of the main board 10 and is disposed to the right side in the width direction of the main board 10, the main body 12 and the split portion 13 partitioned by the clearance area 11 are juxtaposed in the up-down direction, the split portion 13 is on the top, and the main body 12 is on the bottom; in the embodiment shown in fig. 5, the clearance area 11 is disposed adjacent to the upper side edge of the main board 10 and is disposed on the left side in the width direction of the main board 10, the main body portion 12 and the split portion 13 partitioned by the clearance area 11 are also juxtaposed up and down, the split portion 13 is on the top, and the main body portion 12 is on the bottom; in the embodiment shown in fig. 6, the clearance area 11 is disposed adjacent to the left edge of the main board 10 and is disposed on the upper side along the length direction of the main board 10, the main body 12 and the split portion 13 partitioned by the clearance area 11 are juxtaposed along the left and right, the split portion 13 is on the left, and the main body 12 is on the right; in the embodiment shown in fig. 7, the clearance area 11 is arranged at a position adjacent to the left edge of the main board 10 and is arranged at the lower side along the length direction of the main board 10, the main body part 12 and the split part 13 which are formed by dividing the clearance area 11 are also juxtaposed along the left and right, the split part 13 is on the left, and the main body part 12 is on the right; in the embodiment shown in fig. 8, the clearance area 11 is disposed adjacent to the lower edge of the main board 10 and is disposed on the left side in the width direction of the main board 10, the main body portion 12 and the split portion 13 partitioned by the clearance area 11 are juxtaposed in the up-down direction, and the main body portion 12 is on the top and the split portion 13 is on the bottom; in the embodiment shown in fig. 9, the clearance area 11 is disposed adjacent to the lower edge of the main board 10 and is disposed to the right side in the width direction of the main board 10, the main body 12 and the split portion 13 partitioned by the clearance area 11 are juxtaposed in the up-down direction, the main body 12 is on the top, and the split portion 13 is on the bottom; in the embodiment shown in fig. 10, the clearance area 11 is provided at a position adjacent to the right side edge of the main board 10 and is provided on the upper side in the width direction of the main board 10, the main body part 12 and the divided part 13 partitioned by the clearance area 11 are juxtaposed in the left and right directions, the main body part 12 is on the left, and the divided part 13 is on the right; in the embodiment shown in fig. 11, the clearance area 11 is provided at a position adjacent to the right edge of the main board 10 and on the lower side in the width direction of the main board 10, the main body portion 12 and the separate portion 13 partitioned by the clearance area 11 are juxtaposed in the left and right directions, the main body portion 12 is on the left, and the separate portion 13 is on the right.

Of the two portions separated by the clearance area 11, the portion between the clearance area 11 and the adjacent one side edge is a portion 13, and the other portion is a main body portion 12, so that the divided portion 13 separated by the clearance area 11 is smaller in size area than the main body portion 12. For electronic equipment, a certain area of PCB is needed for routing arrangement to achieve electrical connection of related devices, and the greater the area is, the lower the difficulty of routing arrangement is, and the easier the implementation is; while for the first conductive part, which is a radiator, it generally does not need to be particularly large in size (as far as the usual needs of the electronic device are concerned); therefore, in this embodiment, the main body portion 12 is configured to have a larger size, and the separate portion 13 is configured to have a smaller size, so that the main body portion 12 and the separate portion 13 are balanced and compatible, each of which can achieve its functional purpose well.

To sum up, the antenna module according to the above embodiment of the present invention forms the clearance area 11 on the main board 10, and uses the first conductive part disposed in the split part 13 separated by the clearance area 11 as a radiator to receive and transmit signals; compare when arranging antenna module in current electronic equipment product and arrange the scheme of special irradiator in limited space, the utility model discloses antenna module in the above-mentioned embodiment can realize better antenna performance to need not to keep somewhere great clear space region in components of a whole that can function independently portion 13, can arrange the relevant device that contains the metal material at components of a whole that can function independently portion 13 unrestricted, thereby also be convenient for electronic equipment inside structural design and device arrange, also be favorable to realizing that electronic equipment's miniaturization, frivolousization and large-size screen account are compared etc..

In an embodiment of the electronic device of the present invention, the main board is applied to the antenna module described in the above embodiment.

In an embodiment of the electronic device, the electronic device may specifically be a smart watch, a mobile phone, a laptop, a tablet computer, or an e-book reader. Taking a smart watch as an example, in addition to the structures of the antenna module, with reference to fig. 1 to 3, the electronic device further includes a housing 40, a bottom bracket 50, a display 60, a battery 70, a speaker 80, a key 90, a watch band 100, and the like. Wherein, the battery 70, the speaker 80, etc. are installed in the housing 40 for respectively realizing the functions of power supply and sound emission, etc.; the main board 10 is also disposed in the housing 40 for arranging electronic components and conducting electrical connection traces of related devices; a display screen 60 for realizing display of a picture is mounted on the front side surface of the housing 40; the keys 90 are disposed on a surface of the housing 40, and may be disposed on a side surface of the housing 40, and the keys 90 are configured to be triggered to generate corresponding instructions, such as turning on, turning off, adjusting volume, turning on and off the display 60, and the like. The band 100 is fixedly connected to the base 50, and the connection between the two may be a detachable connection, so that the user can easily replace different bands 100.

The utility model discloses an among the electronic equipment, it includes foretell antenna module, has the beneficial effect unanimous with foretell antenna module certainly, no longer gives unnecessary details.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An antenna module is characterized by comprising a main board and an antenna;

the main board is provided with a clearance area, the clearance area divides the main board into a main body part and a split part, and the split part is provided with a first conductive part;

the antenna comprises a feed portion, the feed portion is electrically connected with the first conductive portion, and the antenna takes the first conductive portion as a radiator.

2. The antenna module of claim 1, wherein the main body portion is provided with a second conductive portion and has a ground terminal;

the antenna is connected to a ground terminal of the main body.

3. The antenna module of claim 1, further comprising a first device element including a third conductive portion connected to the first conductive portion.

4. The antenna module of claim 3, wherein the first device unit is a camera.

5. The antenna module of claim 1, wherein the clearance area is slot-shaped.

6. The antenna module according to claim 1 or 5, wherein the clearance area is disposed in a length direction or a width direction of the main board and adjacent to any one side edge of the main board.

7. The antenna module of claim 1, wherein the first conductive portion radiates at least one of a navigational positioning signal, a WIFI signal, a 4G signal, a 5G signal.

8. The antenna module of claim 1, wherein the main board is a PCB board.

9. An electronic device comprising the antenna module of any one of claims 1-8.

10. The electronic device of claim 9, wherein the electronic device comprises any one of a smart watch, a cell phone, a laptop computer, a tablet computer, and an e-book reader.