TW202005164A - An electronic device - Google Patents

Abstract

An embodiment of the present invention discloses an electronic device, which relates to the field of communications technologies and includes a button device and an antenna device. The antenna device includes a metal portion. The metal portion is disposed on the button device and is used for the metal. The portion serves as an antenna radiator of the antenna device. Therefore, the space utilization of the antenna device in the electronic device can be improved, and the structural space in the electronic device can be saved.

Description

Electronic equipment

The embodiments of the present invention relate to the field of communication technologies, and in particular, to an electronic device.

With the rapid development of communication technology, there are many different network standards at home and abroad. In order to enable mobile terminals such as mobile phones to support multiple network standards, this requires that mobile terminal antennas can cover different frequency bands occupied by multiple network standards Therefore, mobile terminal antennas are developing in the direction of multiple and wide frequency bands.

In the prior art, the antennas on the mobile terminal are all set on the printed circuit board of the mobile terminal. Although it is more convenient to manufacture, the antenna occupies more space on the printed circuit board, which affects the setting of other electrical components in the printed circuit board. Space utilization is low.

In view of this, embodiments of the present invention provide an electronic device, the main purpose of which is to increase the space utilization of the antenna device in the electronic device and save the structural space in the electronic device.

The purpose of the present invention and the solution to its technical problem are to adopt the following technical solutions: a key device and an antenna device, the antenna device includes a metal part, the metal part is provided on the key device, and the metal part is used as a The antenna radiator of the antenna device.

Optionally, the key device includes a key base and an active button. The key base is provided with an active hole, the active button is movably connected in the active hole, and the metal portion is provided on the key base.

Optionally, the metal part is a bar structure, and the metal part extends on the base.

Optionally, the movable hole is provided in the middle of the key base, and the metal portion surrounds the movable hole.

Optionally, the metal part has a ground terminal and a plurality of feed terminals, the distance between the multiple feed terminals and the ground terminal is different, the antenna device further includes a radio frequency unit, and the radio frequency unit A plurality of radio frequency sub-modules are included. The plurality of radio frequency sub-modules are used to receive or transmit antenna signals of different frequencies. The plurality of radio frequency sub-modules are respectively connected to a plurality of feed terminals of the metal part.

Optionally, the plurality of radio frequency sub-modules include a Bluetooth radio frequency module, a wireless fidelity radio frequency module, and a positioning radio frequency module.

Optionally, the metal part is embedded in the key base, and the key base is made of non-metallic material.

Optionally, the movable button has a button control switch, and the plurality of feeding terminals of the button control switch and the metal part are connected to one end of a common wiring, and the other end of the common wiring is connected to the button The wiring is connected to the controller, the other end of the common wiring is also connected to the radio frequency unit through an RF wiring, a resistance is provided on the key wiring, and a capacitor is provided on the RF wiring.

Optionally, the electronic device is an audio device.

Embodiments of the present invention provide an electronic device, which is used to improve the space utilization of the antenna device in the electronic device and save the structural space in the electronic device. In the prior art, the antennas on the electronic device are all provided on the printed circuit board of the electronic device Although it is more convenient to manufacture, the antenna occupies more space on the printed circuit board, which affects the setting of other electrical components in the printed circuit board, and the space utilization rate is low. Compared with the prior art, the electronic device provided by the embodiment of the present invention includes: a key device and an antenna device, the antenna device includes a metal part, and the metal part is disposed on the key device, and is used to radiate the metal part as an antenna of the antenna device In this way, the key structure can not only be used as a physical key to realize the corresponding control function, but also as an antenna radiator of the antenna device to receive and transmit the antenna signal, so that the antenna radiator can be avoided on the printed circuit board, which can save The internal space of the electronic device can improve the space utilization rate in the electronic device.

In order to further illustrate the technical means and functions adopted by the embodiments of the present invention to achieve the intended purpose of the invention, the following describes the specific implementation, structure, features and the mobile terminal proposed according to the embodiments of the present invention in conjunction with the drawings and preferred embodiments. Its effect will be described in detail later.

As shown in FIG. 1 and FIG. 2, an embodiment of the present invention provides an electronic device including: a key device 1 and an antenna device 6, the antenna device 6 includes a metal part 2, and the metal part 2 is provided on the key device 1 for Use the metal part as the antenna radiator of the antenna device.

Among them, the above-mentioned electronic devices may be of various types, such as mobile phones, tablet computers, smart watches, etc., which are not limited here, and the above-mentioned electronic devices are generally provided with a physical form of the key device 1, such as: The power off button, home button, volume button, etc., through these physical forms of case devices can achieve specific functions of electronic equipment, such as: switch machine and other functions, for aesthetics and overall strength, these button devices 1 can often be designed as metal buttons, In this embodiment, part of the structure on the key device 1 can be made of metal material as the above-mentioned metal part 2, the shape and size of the metal part 2 can be designed according to the frequency of the antenna radiation, so that the above-mentioned key device 1 In addition to the button function, it can also be used as an antenna radiator to receive or send antenna signals. In addition, because the button device 1 is usually exposed to the outside, it can reduce the impact of two other metal parts and increase the clearance of the antenna radiator Area, thereby enhancing the ability of the antenna, so that the high-frequency and low-frequency bandwidths generated by the antenna can cover more low-frequency and high-frequency bands respectively; the above antenna device 6 can be a variety of antenna types, such as: Bluetooth antenna, GPS antenna , WIFI antenna, 4G antenna, 5G antenna, etc., which are not specifically limited here. Among them, the antenna device 6 may further include a radio frequency unit, the radio frequency unit is used to transmit the signal to the metal part 2 for radiation through the connection spring, or the metal part 2 After receiving the signal, it is transmitted to the radio frequency unit 5; specifically, when the radio frequency unit 5 transmits a signal to the metal part 2, the current can flow through the metal part 2 to the ground, and the current flowing through the metal part 2 can generate electromagnetic waves outward Radiation, and then the antenna signal is transmitted. Similarly, when electromagnetic waves are radiated to the metal part 2, a current can be generated in the metal part 2, and the current can be transmitted to the radio frequency unit 5 to achieve the reception of the antenna signal.

Embodiments of the present invention provide an electronic device, which is used to improve the space utilization of the antenna device in the electronic device and save the structural space in the electronic device. In the prior art, the antennas on the electronic device are all provided on the printed circuit board of the electronic device Although it is more convenient to manufacture, the antenna occupies more space on the printed circuit board, which affects the setting of other electrical components in the printed circuit board, and the space utilization rate is low. Compared with the prior art, the electronic device provided by the embodiment of the present invention includes: a key device and an antenna device, the antenna device includes a metal part, and the metal part is disposed on the key device, and the metal part is used as an antenna of the antenna device Radiator, so that the key structure can not only be used as a physical key to realize the corresponding control function, but also as an antenna radiator of the antenna device to receive and transmit the antenna signal, so that the antenna radiator can be avoided on the printed circuit board. Saving the internal space of the electronic device can improve the space utilization rate in the electronic device.

In some embodiments, the key device 1 includes a key base 11 and a movable button 12, the key base 11 is provided with a movable hole, the movable button is movably connected in the movable hole, and the metal part 2 is disposed on the base. In this embodiment, the key base 11 is always in a fixed state during the use of the key, and the movable button can move up and down in the movable hole of the key base 11 to realize the case function of the key device 1, wherein the metal part 2 It can be arranged on the key base 11. Since the key base 11 is in a fixed state, the metal part 2 can serve as an antenna radiator to receive or transmit antenna signals more stably, avoiding the effect of the antenna signal due to the movement of the key device 1.

There may be various structural styles of the metal part 2 described above. In some embodiments, the metal part 2 is a bar-shaped structure, and the metal part 2 extends on the base. In this embodiment, the reception and transmission of the antenna signal is related to the length and width of the antenna radiator, for example: for Bluetooth signals, Wi-Fi signals, etc., the width and length of the antenna radiator need to be different, and the strip structure The metal part 2 can more conveniently design its width and length, thereby ensuring the effect of the antenna signal.

In some embodiments, the movable hole is provided in the middle of the key base 11, and the metal portion 2 surrounds the movable hole. In this embodiment, surrounding the metal part 2 around the movable hole in the key base 11 can improve the space utilization rate of the key device 1, which not only can ensure the length of the metal part 2 but also does not affect the key operation of the key device 1.

In some embodiments, the metal part 2 has a ground terminal and a plurality of feed terminals. The distance between the multiple feed terminals and the ground terminal is different. The antenna device 1 further includes a radio frequency unit, The radio frequency unit 5 includes a plurality of radio frequency sub-modules. The plurality of radio frequency sub-modules are used to receive or transmit antenna signals of different frequencies. The plurality of radio frequency sub-modules are connected to the metal part 2 respectively. Feeder. In this embodiment, when the antenna device 6 transmits a signal, the radio frequency unit 5 can input current to the feeding end of the metal part 2 through the feeding end, and the current flows through the metal part 2 and flows out from the grounding point of the metal part 2, wherein, The current flowing through the metal part 2 can generate electromagnetic waves to radiate outward to realize the transmission of the antenna signal. Similarly, when the antenna device 6 receives the signal, the electromagnetic waves are radiated on the metal part 2, causing a current to flow in the metal part 2, the current It can be transmitted to the radio frequency unit 5 through the feeding end to realize the signal reception. It should be noted here that multiple feed terminals and ground terminals divide the metal part 2 into multiple antenna radiators, and the antenna frequency corresponding to each antenna radiator is different. The connection of multiple feed points can realize the reception or transmission of a variety of antenna signals of different frequencies.

In some embodiments, the plurality of radio frequency sub-modules include a Bluetooth radio frequency module, a wireless fidelity radio frequency module, and a positioning radio frequency module. In this embodiment, the Bluetooth antenna signal can be used to receive or transmit the Bluetooth antenna signal, the wireless radio frequency module can be used to achieve the Wi-Fi antenna signal reception or transmission, and the positioning radio frequency module can be used to receive the positioning antenna signal Or transmit, the above-mentioned multiple radio frequency sub-modules can realize the reception or transmission of multiple antenna signals of the antenna device 6, which improves the applicability of electronic equipment.

In some embodiments, the metal part 2 is embedded in the key base 11, and the key base 11 is made of non-metallic material. In this embodiment, since the metal part 2 is embedded in the key base 11, the structural space of the key base 11 can be fully utilized to improve the space utilization rate. In addition, the key base 11 is made of a non-metallic material, which can reduce the key base 11 The influence on the signal received or transmitted by the metal part 2.

In some embodiments, as shown in FIG. 3, the movable button has a button control switch 31, and the plurality of feeding terminals of the button control switch 31 and the metal part 2 are all connected to one end of a common wiring, The other end of the common trace is connected to the button

The wiring is connected to the controller 4, the other end of the common wiring is also connected to the radio frequency unit 5 through an RF wiring, a resistance R11 is provided on the key wiring, and a capacitor C11 is provided on the RF wiring. In this embodiment, the radio frequency unit 5 is connected to the metal part 2 through radio frequency traces and common traces, and because the resistance of the resistor R11 is high, the radio frequency signal can be isolated into the controller 4; and the controller 4 is routed through the buttons It is connected to the key control switch 31 with the common wiring. Due to the function of the capacitor C11, the key signal can be prevented from entering the radio frequency unit 5. Through the setting of the capacitor C11 and the resistor R11, the mutual influence between the radio frequency signal and the case signal can be avoided , Improve the accuracy of signal transmission.

In some embodiments, the electronic device is an audio device. In this embodiment, the audio device can be wirelessly connected to the terminal device through the antenna device, which improves the convenience of the audio device. Embodiments of the present invention provide an electronic device, which is used to improve the space utilization of the antenna device in the electronic device and save the structural space in the electronic device. In the prior art, the antennas on the electronic device are all provided on the printed circuit board of the electronic device Although it is more convenient to manufacture, the antenna occupies more space on the printed circuit board, which affects the setting of other electrical components in the printed circuit board, and the space utilization rate is low. Compared with the prior art, the electronic device provided by the embodiment of the present invention includes: a key device and an antenna device, the antenna device includes a metal part, and the metal part is disposed on the key device, and the metal part is used as an antenna of the antenna device Radiator, so that the key structure can not only be used as a physical key to realize the corresponding control function, but also as an antenna radiator of the antenna device to receive and transmit the antenna signal, so that the antenna radiator can be avoided on the printed circuit board. Saving the internal space of the electronic device can improve the space utilization rate in the electronic device.

The specification provided here explains a lot of specific details. However, it can be understood that the embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this description.

Similarly, it should be understood that in order to streamline the disclosure and help understand one or more of the various inventive aspects, in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together into a single embodiment , Figures, or their descriptions. However, the disclosed method should not be interpreted as reflecting the intention that the claimed invention requires more features than those explicitly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Therefore, the claims that follow the specific embodiment are hereby expressly incorporated into the specific embodiment, where each claim itself serves as a separate embodiment of the present invention. Those skilled in the art can understand that the modules in the device in the embodiment can be self-adjustably changed and set in one or more devices different from the embodiment. The modules or units or elements in the embodiments can be combined into one module or unit or element, and in addition, they can be divided into a plurality of sub-modules or sub-units or elements. Except that at least some of such features and/or processes or units are mutually exclusive, all features disclosed in this specification (including the accompanying claims, abstract and drawings) and any method so disclosed or All processes or units of equipment are combined. Unless expressly stated otherwise, each feature disclosed in this specification (including the accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose. In addition, those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments instead of other features, the combination of features of different embodiments means that they are within the scope of the present invention. And different embodiments are formed. For example, in the following claims, any of the claimed embodiments can be used in any combination.

It should be noted that the above-mentioned embodiments illustrate the present invention rather than limit the present invention, and those skilled in the art can design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses should not be constructed as limitations on the claims. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "one" before an element does not exclude the presence of multiple such elements. The invention can be realized by means of hardware including several different components and by means of suitably programmed computers. In the unit claims enumerating several devices, several of these devices may be embodied by the same hardware item. The use of the words first, second, and third does not indicate any order. These words can be interpreted as names.

1‧‧‧Key device 11‧‧‧Key base 12‧‧‧Activity button 2‧‧‧Metal Department 31‧‧‧Key control switch 4‧‧‧Controller 5‧‧‧RF unit 6‧‧‧ Antenna device C11‧‧‧Capacitor R11‧‧‧Resistance

1 is a schematic structural diagram of a key device provided by an embodiment of the present invention; FIG. 2 is a structural block diagram of an electronic device provided by an embodiment of the present invention; FIG. 3 is a circuit diagram of an electronic device provided by an embodiment of the present invention.

1‧‧‧Key device

11‧‧‧Key base

12‧‧‧Activity button

2‧‧‧Metal Department

Claims (9)

An electronic device, characterized by comprising: a key device and an antenna device, the antenna device includes a metal part, the metal part is provided on the key device, and the metal part is used as the antenna device Antenna radiator. The electronic device according to item 1 of the claim scope, wherein the key device includes a key base and a movable button, the key base is provided with a movable hole, and the movable button is movably connected in the movable hole , The metal part is provided on the key base. The electronic device according to item 1 of the claims, wherein the metal part has a bar structure, and the metal part extends on the base. The electronic device of claim 1, wherein the movable hole is provided in the middle of the key base, and the metal part surrounds the movable hole. The electronic device according to item 1 of the scope of claim, characterized in that: the metal part has a ground terminal and a plurality of feed terminals, and the distance between the plurality of feed terminals and the ground terminal is different, The antenna device further includes a radio frequency unit. The radio frequency unit includes a plurality of radio frequency sub-modules. The plurality of radio frequency sub-modules are used to receive or transmit antenna signals of different frequencies. The plurality of radio frequency sub-modules are respectively connected Multiple feeding terminals of the metal part. The electronic device according to item 1 of the scope of the claims, wherein the plurality of radio frequency sub-modules include a Bluetooth radio frequency module, a wireless fidelity radio frequency module, and a positioning radio frequency module. The electronic device according to item 1 of the claims, wherein the metal part is embedded in the key base, and the key base is made of non-metallic material. The electronic device according to item 1 of the claim scope, wherein: the movable button has a button control switch, and the plurality of feed terminals of the button control switch and the metal part are connected to a common wiring At one end, the other end of the common trace is connected to the button trace to the controller, and the other end of the common trace is also connected to the radio frequency unit through a radio frequency trace, and a resistance is provided on the key trace. There is a capacitor on the RF trace. The electronic device according to any one of claims 1 to 8, wherein the electronic device is an audio device.

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