CN209860954U - Electronic device - Google Patents

Abstract

The utility model relates to an electronic equipment, electronic equipment includes kink, first main part and second main part, first main part reaches the second main part sets up the both sides that the kink is relative, and all with the kink links to each other, the kink can be buckled in order to drive first main part reaches the second main part is folding relatively, set up first antenna in the second main part, set up second antenna and third antenna in the first main part, still set up the fourth antenna in the second main part, first antenna reaches the second antenna is main collection antenna, the third antenna reaches the fourth antenna is the diversity antenna, just first antenna the second antenna the third antenna reaches the fourth antenna constitutes first 4 a 4MIMO antenna, wherein, first 4 a 4MIMO antenna is the antenna that supports first frequency channel communication. Adopt the utility model discloses, can eliminate the clutter interference of antenna.

Description

Electronic device

Technical Field

The utility model relates to an electronic equipment field especially relates to an electronic equipment.

Background

With the rapid development of electronic equipment technology, the display screens of electronic equipment are classified according to different special forms to obtain special-shaped display screens, folding display screens and the like. The electronic device includes an antenna provided at a portion inside and/or outside a housing of the electronic device for implementing a mobile communication service. In the electronic device using the foldable display screen, the folding form of the electronic device has different degrees of influence on the antenna, and therefore, how to arrange the antenna to reduce the influence of the foldable electronic device is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic equipment can eliminate the clutter interference of antenna.

The utility model provides an electronic device, the electronic device comprises a bending part, a first main body and a second main body, the first main body and the second main body are arranged at two opposite sides of the bending part and are connected with the bending part, the bending part can be bent to drive the first main body and the second main body to be folded relatively, a first antenna is arranged on the second main body, a second antenna and a third antenna are arranged on the first main body, a fourth antenna is also arranged on the second main body, the first antenna and the second antenna are main diversity antennas, the third antenna and the fourth antenna are diversity antennas, the bending part comprises a first end and a second end which are arranged oppositely, the first antenna and the fourth antenna are arranged at the position adjacent to the first end of the first main body, the second antenna and the third antenna are arranged at the position adjacent to the second end of the second main body, and the first antenna, the second antenna, the third antenna and the fourth antenna constitute a first 4 x 4MIMO antenna, wherein the first 4 x 4MIMO antenna is an antenna supporting communication in a first frequency band. Adopt the utility model discloses, can improve the speed that electronic equipment carried out data transmission in the communication. In addition, the arrangement positions of the first antenna and the fourth antenna and the arrangement positions of the second antenna and the third antenna can prevent a user from holding all the antennas when holding the electronic equipment by hands, so that the communication effect of the electronic equipment is further improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first electronic device provided by the present invention;

fig. 2 is a schematic structural diagram of a second electronic device provided by the present invention;

fig. 3 is a schematic structural diagram of a third electronic device provided by the present invention;

fig. 4 is a schematic structural diagram of a fourth electronic device provided in the present invention;

fig. 5 is a schematic structural diagram of a fifth electronic device provided by the present invention;

fig. 6 is a schematic structural diagram of a sixth electronic device provided by the present invention;

fig. 7 is a schematic structural diagram of a seventh electronic device provided by the present invention;

fig. 8 is a schematic structural diagram of an eighth electronic device provided by the present invention;

fig. 9 is a schematic structural diagram of a ninth electronic device provided by the present invention;

fig. 10 is a schematic structural diagram of a tenth electronic device provided by the present invention;

fig. 11 is a schematic structural diagram of an eleventh electronic device provided in the present invention;

fig. 12 is a schematic structural diagram of a twelfth electronic device according to the present invention.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a first electronic device according to the present invention. As shown in fig. 1, the electronic device 100 includes a bending part 30, a first body 10, and a second body 20. The first main body 10 and the second main body 20 are disposed at two opposite sides of the bent portion 30 and are connected to the bent portion 30, the bent portion 30 can be bent to drive the first main body 30 and the second main body 20 to be folded or unfolded relatively, the second main body 20 is disposed with the first antenna 101, the first main body 10 is disposed with the second antenna 201 and the third antenna 301, the second main body 20 is further disposed with the fourth antenna 401, the first antenna 101 and the second antenna 201 are main diversity antennas, the third antenna 301 and the fourth antenna 401 are diversity antennas, the bent portion 30 includes a first end 301 and a second end 302 disposed relatively, the first antenna 101 and the fourth antenna 401 are disposed at a position of the second main body 20 adjacent to the first end 301, the second antenna 201 and the third antenna 301 are disposed at a position of the first main body 10 adjacent to the second end 302, and the first antenna 101, the second antenna 201, the third antenna 301 and the fourth antenna 401 form a first 4 × 4 Multiple Input Multiple Output (MIMO) antenna, wherein the first 4 × 4MIMO antenna is an antenna supporting communication in a first frequency band.

The first body 10 and the second body 20 can be rotatably connected by a bending part 30, so that the first body 10 and the second body 20 can be folded relatively. When the first body 10 and the second body 20 are rotatably connected by the bent portion 30, the bent portion 30 may be disposed at the area 30 shown in fig. 1, and the area 30 is equal to the distance between the first body 10 and the second body 20.

In fig. 1, a gap is provided around the first antenna 101, the second antenna 201, and the third antenna 301, and when the first body 10 and the second body 20 are a middle frame of the electronic device 100, a radiator of the antennas, such as the first antenna 101, the second antenna 201, and the third antenna 301, may be formed by opening a gap on the middle frame, so that the electronic device 100 has a specific communication function, and thus the electronic device 100 may radiate and receive radio waves using the antennas.

The third antenna 301 is disposed adjacent to the bending portion 30 compared to the second antenna 201, and the first antenna 101 is disposed adjacent to the bending portion 30 compared to the fourth antenna 401.

The first frequency band may be a frequency band corresponding to 2G, 3G, or 4G communication. The first antenna 101, the second antenna 201, the third antenna 301, and the fourth antenna 401 are LTE antennas, and when the first antenna 101, the second antenna 201, the third antenna 301, and the fourth antenna 401 form a first 4 x 4MIMO antenna, a MIMO antenna of a first frequency band communication can be supported, so that a communication rate can be increased.

It can be seen that, as shown in fig. 1, the first body 20 is provided with the first antenna 101, the second body 20 is provided with the second antenna 201 and the third antenna 301, and the first antenna 101 and the second antenna 201 and the third antenna 301 are all in diagonal arrangement. No matter whether the electronic device 100 is in the folded state or not, the user holds the electronic device 100 with both hands at the same time, and it is difficult to hold the positions of the first antenna 101, the second antenna 201 and the third antenna at the same time, so that all the antennas are prevented from being shielded, and the radiation efficiency of the antennas can be improved.

Please refer to fig. 2, fig. 2 is a schematic structural diagram of a second electronic device according to the present invention. As shown in fig. 2, a first metal element 102 and a first ground element 103 are disposed on the first main body 10, the first metal element 102 includes a first end 1021 away from the bent portion 30 and a second end 1022 close to the bent portion, one end of the first ground element 103 is connected to the first metal element 102, the other end is grounded, a portion of the first metal element 102 located between the first end 1021 and the first ground element 103 constitutes a radiator of the second antenna 201, and a portion of the first metal element 102 located between the second end 1022 and the first ground element 103 constitutes a radiator of the third antenna 301.

The first main body 10 includes a first end face 104 deviating from the bending portion and a second end face 105 connected between the first end face 104 and the bending portion 30, the first metal piece 102 includes a first portion 1023 and a second portion 1024 connected by bending, one end of the first portion 1023 far away from the second portion 1024 constitutes the first end 1021, one end of the second portion 1024 far away from the first portion 1023 constitutes the second end 1022, the first end 1021 is disposed on the first end face 104, and the second end 1022 is disposed on the second end face 105.

A first gap 106 is disposed between the second end 1022 and the bent portion 30, the first main body 10 further includes a second metal part 107 disposed on the first end surface 104, and a second gap 108 is disposed between the second end 1022 and the second metal part 107.

As can be seen from fig. 2, the first metal part 102 includes a first portion 1023 and a second portion 1024, the first portion 1023 is disposed on the first end surface 104 facing away from the bending part 30, and the second portion 1024 is disposed on the second end surface 105 connecting the first end surface 104 and the bending part 30. Since the metal parts can be used to form an antenna and generate electromagnetic wave signals, the corresponding partial areas of the first metal part 102 can form the second antenna 201 and the third antenna 301, so that the electronic device 100 has a communication function.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a third electronic device according to the present invention. The third antenna 301 may be a 2G, 3G or 4G corresponding antenna. The utility model discloses do not restrict to the concrete structure of third antenna 301, as shown in fig. 3, third antenna 301 includes third radio frequency signal source S3, third switch3, third matching circuit M3, third single-pole four-throw radio frequency switch SP4T3 and with third single-pole four-throw radio frequency switch SP4T3, first electrical component X1, second electrical component X2, third electrical component X3 and fourth electrical component X4 that third single-pole four-throw radio frequency switch SP4T3 connected respectively, third radio frequency signal source S3, third matching circuit M3 and fifth electrical component X5, sixth electrical component X6, seventh electrical component X7 intervene first metalwork 102 after establishing ties. The first electrical element X1, the fifth electrical element X5, the sixth electrical element X6 and the seventh electrical element X7 are connected in series and then are inserted into the first metal part 102, the second electrical element X2 and the fifth electrical element X5 are connected in parallel and then are connected in series with the sixth electrical element X6 and the seventh electrical element X7 and then are inserted into the first metal part 102, the third electrical element X3 and the sixth electrical element X6 are connected in parallel and then are connected in series with the seventh electrical element X7 and then are inserted into the first metal part 102, and the fourth electrical element X4 and the seventh electrical element X7 are connected in parallel and then are inserted into the first metal part 102.

The radio frequency signal source is a signal generating device for generating sinusoidal signals and various modulation signals, and is used for generating excitation signals. The antenna radiator is used for generating an electromagnetic wave signal according to the excitation signal. The switch component is used for adjusting the frequency band of the electromagnetic wave signal generated by the antenna radiator according to the excitation signal. When the antenna is a main set antenna, the antenna radiator can receive both electromagnetic wave signals and electromagnetic wave signals, and when the antenna is a diversity antenna, the antenna radiator can only receive electromagnetic wave signals.

The first electrical element X1, the second electrical element X2, the third electrical element X3, the fourth electrical element X4, the fifth electrical element X5, the sixth electrical element X6, and the seventh electrical element X7 may be capacitors, inductors, or 0 ohm resistors, which is not limited herein; the matching circuit is used for reducing standing waves and minimizing energy loss of electromagnetic wave signals in transmission. It is understood that the third antenna 301 may adjust the capacitance or impedance of the electrical components by controlling the third SP4T3, so as to adjust the electrical length of the third antenna 301, or select a desired frequency, or improve the quality of the received signal by controlling the switch of the third switch 3.

It can be understood that the third antenna 301 can adjust the resistance of the resistor and the capacitance of the capacitor by controlling the switch of the third SP4T3, so as to adjust the electrical length of the third antenna 301, or select the desired frequency, or improve the quality of the received signal by controlling the switch of the third switch 3.

Similarly, please refer to fig. 4, fig. 4 is a schematic structural diagram of a fourth electronic device according to the present invention. The second antenna 201 may be a 2G, 3G or 4G corresponding antenna. As shown in fig. 4, the second antenna 201 includes a second rf signal source S2, a second switch2, a second matching circuit M2, a second single-pole four-throw rf switch SP4T2, and an eighth electrical component X8, a ninth electrical component X9, a tenth electrical component X10, and an eleventh electrical component X11 respectively connected to the second single-pole four-throw rf switch SP4T2, wherein the second rf signal source S2, the second matching circuit M2, the twelfth electrical component X12, and the first capacitor C1 are connected in series and then inserted into the first metal element 102. The eighth electrical element X8, the twelfth electrical element X12 and the first capacitor C1 are connected in series and then are connected to the first metal element 102, the ninth electrical element X9 and the twelfth electrical element X12 are connected in parallel and then are connected in series and the first capacitor C1 is connected to the first metal element 102, and the tenth electrical element X10, the eleventh electrical element X11 and the first capacitor C1 are connected in parallel and then are connected to the first metal element 102.

The eighth electrical element X8, the ninth electrical element X9, the tenth electrical element X10, the eleventh electrical element X11 and the twelfth electrical element X12 may be capacitors, inductors or 0 ohm resistors, which is not limited herein; the function of the rf signal source is described in the embodiment of fig. 3, and is not described herein again; the matching circuit is used for reducing standing waves and minimizing energy loss of electromagnetic wave signals in transmission. It can be understood that the second antenna 201 can adjust the capacitance or impedance of the electrical components by controlling the second SP4T2, so as to adjust the electrical length of the second antenna 201, or select the desired frequency, or improve the quality of the received signal by controlling the switch of the second switch 2.

It can be understood that the second antenna 201 can adjust the resistance of the resistor and the capacitance of the capacitor by controlling the switch of the second SP4T2, so as to adjust the electrical length of the second antenna 201, or select the desired frequency, or improve the quality of the received signal by controlling the switch of the second switch 2.

Please refer to fig. 5, fig. 5 is a schematic structural diagram of a fifth electronic device according to the present invention. As shown in fig. 5, the second main body 20 includes a third end surface 202 departing from the bending portion and a fourth end surface 203 connected between the third end surface 202 and the bending portion, a third metal element 204 and a second grounding element 205 are disposed on the second main body 20, the third metal element 204 includes a third end 2041 departing from the bending portion and a fourth end 2042 adjacent to the bending portion, the third end 2041 is disposed on the third end surface 202, the fourth end 2042 is disposed on the fourth end surface 203, one end of the second grounding element 205 is connected to the third metal element 204, the other end is grounded, and a portion of the third metal element 204 located between the fourth end 2042 and the second grounding element 205 constitutes a radiator 2043 of the first antenna.

The second body 20 further includes a fourth metal element 206 disposed on the third end surface 202, a third gap 207 is disposed between the third end 2041 and the fourth metal element 206, and a fourth gap 208 is disposed between the fourth end 2042 and the bending portion 30.

As shown in fig. 5, the third metal element 204 includes a third end 2041 away from the bending portion 30 and a fourth end 2042 adjacent to the bending portion, the third end 2041 is disposed on the third end surface 202, the fourth end 2043 is disposed on the fourth end surface 203, one end of the second grounding element 205 is connected to the third metal element 204, and the other end is grounded. Since the metal parts can be used to form an antenna and generate an electromagnetic wave signal, a partial area corresponding to the third metal part 204 can form the first antenna 101, so that the electronic device 100 has a communication function.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a sixth electronic device according to the present invention. The first antenna 101 may be a 2G, 3G or 4G corresponding antenna. As shown in fig. 6, the first antenna 101 includes a first rf signal source S1, a first switch1, a first matching circuit M1, a first single-pole four-throw rf switch SP4T1, and a thirteenth electrical component X13, a fourteenth electrical component X14, a fifteenth electrical component X15, and a sixteenth electrical component X16 connected to the first single-pole four-throw rf switch SP4T21, respectively, wherein the first rf signal source S1, the first matching circuit M1, and the second capacitor C2 are connected in series and then connected to the third metal component 204, and the fourteenth electrical component X14, the fifteenth electrical component X15, and the sixteenth electrical component X16 are connected in parallel and then connected to the third metal component 204.

The thirteenth electrical element X13, the fourteenth electrical element X14, the fifteenth electrical element X15 and the sixteenth electrical element X16 may be capacitors, inductors or 0 ohm resistors, and are not limited herein; the function of the rf signal source is described in the embodiment of fig. 3, and is not described herein again; the matching circuit is used for reducing standing waves and minimizing energy loss of electromagnetic wave signals in transmission. It is understood that the first antenna 101 may adjust the capacitance or impedance of the electrical element by controlling the first SP4T1, thereby adjusting the electrical length of the first antenna 101, or selecting a desired frequency, or by controlling the switch of the first switch1, thereby improving the quality of the received signal.

It can be understood that the first antenna 101 may adjust the resistance of the resistor and the capacitance of the capacitor by controlling the 1 switch of the first SP4T, so as to adjust the electrical length of the first antenna 101, or select a desired frequency, or improve the quality of the received signal by controlling the switch of the first switch 1.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a seventh electronic device according to the present invention. As shown in fig. 7, the third antenna 301 is used for radiating a third electromagnetic wave signal, the second main body 20 is close to the fifth metal 402 is arranged on the second end 302 of the bending portion, the fifth metal 402 is grounded through the fourth switch component 403, when the first main body 10 is folded relatively with the second main body 20, the fifth metal 402 is coupled to the third electromagnetic wave signal and generates a third clutter signal, the fourth switch component 403 is used for adjusting the electrical length of the fifth metal 402, so that the electrical length of the fifth metal 402 is mismatched with the electrical length required for radiating the third clutter signal, or the frequency range of the third clutter signal is different from the frequency range of the third electromagnetic wave signal.

Wherein, the second antenna 201 is used for radiating the second electromagnetic wave signal, fifth hardware 402 is still through fifth switch module 404 ground connection, works as first main part 10 with when second main part 20 is folding relatively, fifth hardware 402 coupling the second electromagnetic wave signal and produce the second clutter signal, fifth switch module 404 is used for adjusting the electric length of fifth hardware 402 is so that the electric length of fifth hardware 302 and the electric length mismatch that the second clutter signal needs of radiation, or make the frequency channel scope of second clutter signal with the frequency channel scope of second electromagnetic wave signal is different.

In addition, the connection point of the fourth switch component 403 connected to the fifth metal piece 402 is electrically connected to the fifth metal piece 402 at a different position from the connection point of the fifth switch component 404, and when the first main body 10 and the second main body 20 are folded relatively, the fifth metal piece 402 also serves as a parasitic element of the second antenna 201 and the third antenna 301 to improve the radiation performance of the second antenna 201 and the third antenna 301.

Please refer to fig. 8, fig. 8 is a schematic structural diagram of an eighth electronic device according to the present invention. As shown in fig. 8, the first antenna 101 is configured to radiate a first electromagnetic wave signal, a sixth metal element 502 is disposed on the first main body 10 near the first end 301 of the bending portion, the sixth metal element 502 is grounded through a sixth switch element 503, when the first main body 10 and the second main body 20 are folded relatively, the sixth metal element 502 couples with the third electromagnetic wave signal to generate a third spurious wave signal, and the sixth switch element 503 is configured to adjust an electrical length of the sixth metal element 502, so that the electrical length of the sixth metal element 502 is mismatched with an electrical length required for radiating the third spurious wave signal, or a frequency band range of the third spurious wave signal is different from a frequency band range of the third electromagnetic wave signal.

In addition, when the first body 10 and the second body 20 are folded relatively, the sixth metal piece 502 also serves as a parasitic element of the first antenna 101 to improve the radiation performance of the first antenna 101.

Please refer to fig. 9, fig. 9 is a schematic structural diagram of a ninth electronic device according to the present invention. As shown in fig. 9, the first main body is further provided with a seventh metal element 502, the seventh metal element 502 is disposed at an end of the first main body 10 away from the bent portion, the seventh metal element 502 forms a fifth antenna 501 and a sixth antenna 601, the first main body 10 is further provided with a seventh antenna 701 and an eighth antenna 801 disposed at intervals, the seventh antenna 701 and the eighth antenna 801 are located between the bent portion 30 and the seventh metal element 502, the fifth antenna 501, the sixth antenna 601, the seventh antenna 701 and the eighth antenna 801 form a second 4 × 4MIMO antenna, wherein the second 4 × 4MIMO antenna is an antenna supporting communication of a second frequency band.

The second frequency band may be a frequency band corresponding to 5G communication. The fifth antenna 501, the sixth antenna 601, the seventh antenna 701 and the eighth antenna 801 are all 5G antennas, the present invention is directed to the specific structures of the fifth antenna 501, the sixth antenna 601, the seventh antenna 701 and the eighth antenna 801 are not limited, as shown in fig. 9, the fifth antenna 501 and the sixth antenna 601 are slotted antennas and each include a matching circuit and a radio frequency signal source, the matching circuit is electrically connected to a fifth metal, that is, the matching circuit is electrically connected to a radiator corresponding to the matching circuit; the eighth antenna 801 and the ninth antenna 901 are patch antennas, each including a radio frequency signal source and a radiator connected to the radio frequency signal source, and the radiator is grounded.

It is understood that when the fifth antenna 501, the sixth antenna 601, the seventh antenna 701 and the eighth antenna 801 form a second 4 × 4MIMO, MIMO can support MIMO for communication in a second frequency band, so that the communication rate can be increased.

In addition, as shown in fig. 10, the electronic device 100 further includes a first camera 901 and a second camera 902, the first camera 901 is disposed on the second main body 20, the second camera 902 is disposed on the first main body 10, the first camera 901 may be a front camera or a rear camera, and similarly, the second camera 902 may be a front camera or a rear camera, which is not limited herein, and the positions and the number of the first camera and the second camera are not limited.

The electronic device 100 further includes a card holder 903, the first main body 10 is configured to carry the card holder 903, the card holder 903 is disposed at the second end 302 of the first main body 10 adjacent to the bending portion 30, and the card holder 903 is configured to carry a user identification card. The electronic device 100 further includes a first electroacoustic device 904 and a second electroacoustic device 905, and the second body 20 is further configured to carry the first electroacoustic device 904 and the second electroacoustic device 905, respectively. In this embodiment, the first electro-acoustic device is disposed at the first end 301 of the second body 20 adjacent to the bend 30, and the second electro-acoustic device 905 is disposed at the second end 302 of the second body 20 adjacent to the bend 30. In the present invention, the first electroacoustic device 904 and the second electroacoustic device 905 are speakers. The electronic device 100 further includes a USB port 906, the USB port 906 is disposed at the second main body 20 and far away from the one end of the fifth metal 219, and the USB port 906 is disposed at the second main body 20 and near to the second end 302 of the bending part 30. The USB port 906 is used for connecting with an external USB connection line to charge a battery in the electronic device 100, or to transmit data between the electronic device 100 and another electronic device.

The present invention is not limited to the specific form of the first body 10 and the second body 20, and in an embodiment, please refer to fig. 11, and fig. 11 is a schematic structural diagram of an eleventh electronic device provided by the present invention. As shown in fig. 11, the electronic device 100 includes a housing 40 and a display screen 50, the housing 40 includes a first sub-housing 41 and a second sub-housing 42 that are rotatably connected, the display screen 50 includes a first sub-display 51 and a second sub-display 52 that can be folded relatively, the first sub-housing 41 is used for accommodating the first main body 10, the first main body 10 is used for bearing the first sub-display 51, the second sub-housing 42 is used for accommodating the second main body 20, and the second main body 20 is used for bearing the second sub-display 52.

The first body 10 and the second body 20 are rotatably connected by a rotating shaft. The utility model does not limit the folding direction, as shown in fig. 11, the first main body 10 and the second main body 20 can be folded along the direction of the arrow 80, that is, the first display screen 51 and the second display screen 52 are close to each other after folding; the first body 10 and the second body 20 are also folded against the direction of the arrow 80, i.e. the first sub-housing 41 and the second sub-housing 42 after folding are brought close together.

It can be seen that the first main body 10 carries the first sub-display 51, the second sub-housing 42 carries the second sub-display 52, the first sub-housing 41 receives the first main body 10, and the second sub-housing 42 receives the second main body 20, so that the first main body 10 and the second main body 20 are separated from the housing 40 and respectively support the corresponding displays 50.

In another embodiment, please refer to fig. 12, fig. 12 is a schematic structural diagram of a twelfth electronic device according to the present invention. As shown in fig. 12, the electronic device 100 includes a housing 40 and a display 50, the housing 40 is used for accommodating and fixing the display 50, the housing 40 includes a third sub-housing 43 and a fourth sub-housing 44 which are rotatably connected, the third sub-housing 43 constitutes the first main body 10, and the fourth sub-housing 44 constitutes the second main body 20.

It can be seen that the third sub-housing 43 forms the first main body 10, the fourth sub-housing 44 forms the second main body 20, and the third sub-housing 43 and the fourth sub-housing 44 respectively receive and fix the corresponding display screen 50.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (17)

1. An electronic device, comprising a bending portion, a first body and a second body, wherein the first body and the second body are disposed on two opposite sides of the bending portion and connected to the bending portion, the bending portion can be bent to drive the first body and the second body to be folded, the second body is disposed with a first antenna, the first body is disposed with a second antenna and a third antenna, the second body is further disposed with a fourth antenna, the first antenna and the second antenna are main antenna sets, the third antenna and the fourth antenna are diversity antennas, the bending portion comprises a first end and a second end disposed opposite to each other, the first antenna and the fourth antenna are disposed at a position adjacent to the first end of the second body, the second antenna and the third antenna are disposed at a position adjacent to the second end of the first body, and the first antenna, the second antenna, the third antenna and the fourth antenna constitute a first 4 x 4MIMO antenna, wherein the first 4 x 4MIMO antenna is an antenna supporting communication in a first frequency band.

2. The electronic device of claim 1, wherein the third antenna is disposed adjacent to the bending portion compared to the second antenna, and the first antenna is disposed adjacent to the bending portion compared to the fourth antenna.

3. The electronic device according to claim 1, wherein a first metal element and a first ground element are disposed on the first body, the first metal element includes a first end away from the bent portion and a second end adjacent to the bent portion, a portion of the first metal element between the first end and the second end is grounded, a portion of the first metal element between the first end and the first ground element forms a radiator of the second antenna, and a portion of the first metal element between the second end and the first ground element forms a radiator of the third antenna.

4. The electronic device according to claim 3, wherein the first body includes a first end surface facing away from the bending portion and a second end surface connected between the first end surface and the bending portion, the first metal member includes a first portion and a second portion connected by bending, an end of the first portion away from the second portion constitutes the first end, an end of the second portion away from the first portion constitutes the second end, the first end is disposed on the first end surface, and the second end is disposed on the second end surface.

5. The electronic device of claim 4, wherein a first gap is disposed between the second end and the bending portion.

6. The electronic device of claim 4 or 5, wherein the first body further comprises a second metal piece disposed on the first end face, a second gap being disposed between the second end and the second metal piece.

7. The electronic device of any of claims 1-5, wherein the third antenna comprises a plurality of band matching circuits, a switch assembly, and an antenna radiator, the switch assembly to connect at least one of the band matching circuits to the antenna radiator of the third antenna to adjust an electrical length of the antenna radiator of the third antenna.

8. The electronic device according to any one of claims 2 to 5, wherein the second body includes a third end surface facing away from the bending portion and a fourth end surface connected between the third end surface and the bending portion, a third metal element and a second ground element are disposed on the second body, the third metal element includes a third end facing away from the bending portion and a fourth end adjacent to the bending portion, the third end is disposed on the third end surface, the fourth end is disposed on the fourth end surface, a portion of the third metal element located between the third end and the fourth end is grounded, and a portion of the third metal element located between the fourth end and the second ground element constitutes a radiator of the first antenna.

9. The electronic device of claim 8, wherein the second body further comprises a fourth metal disposed on the third end face, a third gap being disposed between the third end and the fourth metal.

10. The electronic device of any of claims 1-5, wherein the fourth antenna is a patch antenna formed on the second body.

11. The electronic device of claim 1, wherein the third antenna is configured to radiate a third electromagnetic wave signal, the second main body is close to a fifth metal piece disposed at a second end of the bending portion, the fifth metal piece is grounded through a third switch component, when the first main body and the second main body are folded relatively, the fifth metal piece is coupled to the third electromagnetic wave signal to generate a third clutter signal, and the third switch component is configured to adjust an electrical length of the third metal piece, so that the electrical length of the fifth metal piece is mismatched with an electrical length required for radiating the third clutter signal, or so that a frequency range of the third clutter signal is different from a frequency range of the third electromagnetic wave signal.

12. The electronic device of claim 11, wherein the second antenna is configured to radiate a second electromagnetic wave signal, the fifth metal is further grounded through a second switch component, when the first body is folded relative to the second body, the fifth metal is coupled to the second electromagnetic wave signal to generate a second clutter signal, and the second switch component is configured to adjust an electrical length of the fifth metal such that the electrical length of the fifth metal is mismatched with an electrical length required to radiate the second clutter signal, or such that a frequency range of the second clutter signal is different from a frequency range of the second electromagnetic wave signal.

13. The electronic device of claim 12, wherein a connection point of the fifth metal piece electrically connected to the second switch component is different from a position of a connection point of the fifth metal piece electrically connected to the third switch component, and when the first body and the second body are folded relatively, the fifth metal piece also serves as a parasitic element of the second antenna and the third antenna to improve radiation performance of the second antenna and the third antenna.

14. The electronic device according to claim 1, wherein the first antenna is configured to radiate a first electromagnetic wave signal, the first body is further provided with a sixth metal element, the sixth metal element is grounded through a first switch element, the sixth metal element couples with the first electromagnetic wave signal to generate a first spurious signal when the first body and the second body are folded relatively, and the first switch element is configured to adjust an electrical length of the sixth metal element so that the electrical length of the sixth metal element is mismatched with an electrical length required for radiating the first spurious signal, or so that a frequency band range of the first spurious signal is different from a frequency band range of the first electromagnetic wave signal.

15. The electronic device according to claim 11, wherein the first body is further provided with a seventh metal piece, the seventh metal piece is disposed at an end of the first body away from the bent portion, the seventh metal piece forms a fifth antenna and a sixth antenna, the first body is further provided with a seventh antenna and an eighth antenna that are disposed at an interval, the seventh antenna and the eighth antenna are located between the bent portion and the fifth metal piece, and the fifth antenna, the sixth antenna, the seventh antenna and the eighth antenna form a second 4 x 4MIMO antenna, wherein the second 4 x 4MIMO antenna is an antenna supporting communication in a second frequency band.

16. The electronic device according to any one of claims 1 to 5 or 11, wherein the electronic device comprises a housing and a display screen, the housing comprises a first sub-housing and a second sub-housing which are rotatably connected, the display screen comprises a first sub-display screen and a second sub-display screen which can be folded relatively, the first sub-housing is used for accommodating the first main body, the first main body is used for bearing the first sub-display screen, the second sub-housing is used for accommodating the second main body, and the second main body is used for bearing the second sub-display screen.

17. The electronic device according to any one of claims 1 to 5 or 11, wherein the electronic device comprises a housing and a display screen, the housing is used for accommodating and fixing the display screen, the housing comprises a third sub-housing and a fourth sub-housing which are rotatably connected, the third sub-housing constitutes the first main body, and the fourth sub-housing constitutes the second main body.