Folding electronic equipment and communication method thereof

Abstract

The invention provides folding electronic equipment, which comprises a first shell, a second shell, a folding device, a mainboard and an audio mechanism, and is characterized in that the first shell and the second shell can be mutually folded or mutually unfolded through the folding device, and the audio mechanism comprises a first microphone, a second microphone, a double-sided loudspeaker and a flexible circuit board. The folding device is arranged on the main board and is electrically connected to the main board through a flexible circuit board, the first microphone is arranged on the first shell, the second microphone is arranged on the folding device, the third microphone and the double-sided loudspeaker are provided with a second shell, and the double-sided loudspeaker is provided with two sound output parts; in the unfolded state, the first microphone is used for audio recording, one sound output part of the double-sided loudspeaker is used for audio output, and the third microphone is used for collecting environmental noise; and in the folded state, the second microphone is used for audio recording, the other sound output part of the double-sided loudspeaker is used for audio output, and the first microphone and / or the third microphone are / is used for collecting environmental noise. The invention further provides a call method of the folding electronic equipment.

Description

Technical Field

[0001] The present invention relates to the field of audio, and in particular to a foldable electronic device and a communication method of the foldable electronic device. Background Art

[0002] Existing foldable electronic devices such as foldable mobile phones are becoming more and more popular. The design of the microphone and earpiece of existing foldable mobile phones is basically the same as that of candy-bar mobile phones. Specifically, the foldable mobile phone includes two foldable shells that can be folded or unfolded with each other. When the foldable mobile phone is in the unfolded state, the main microphone is arranged at one end of one of the foldable shells of the foldable mobile phone away from the other foldable shell, and the secondary microphone and earpiece are arranged at one end of the other foldable shell away from the one foldable shell. However, when the foldable mobile phone is in the folded state, the main microphone, secondary microphone and earpiece of the foldable mobile phone are located at the same end of the two foldable shells. At this time, the call effect is poor, affecting the user experience. Summary of the invention

[0003] The present application provides a foldable electronic device and a call method for the foldable electronic device.

[0004] The present application provides a foldable electronic device, which includes a first shell, a second shell, a folding device, a main board and an audio mechanism. The first shell and the second shell can be folded or unfolded with each other through the folding device. The audio mechanism includes a first microphone, a second microphone, a third microphone, a double-sided speaker and a flexible circuit board. The first microphone, the second microphone and the double-sided speaker are electrically connected to the main board through the flexible circuit board. The first microphone is arranged at an end of the first shell away from the folding device, the second microphone is arranged at the folding device, the third microphone and the double-sided speaker are arranged at an end of the second shell away from the folding device, and the double-sided speaker has two sound output parts; when the foldable electronic device is in an unfolded state, the first microphone is used for audio recording, one of the sound output parts of the double-sided speaker performs audio output, and the third microphone is used for collecting environmental noise; when the foldable electronic device is in a folded state, the second microphone is used for audio recording, the other sound output part of the double-sided speaker performs audio output, and the first microphone and / or the third microphone are used for collecting environmental noise.

[0005] The present application also provides a calling method for a foldable electronic device, which comprises:

[0006] Determining that the foldable electronic device is in a call state;

[0007] Acquire a current posture of the foldable electronic device, where the current posture includes an unfolded state or a folded state;

[0008] When the foldable electronic device is in an unfolded state, the mainboard of the foldable electronic device controls the first microphone to record audio, one of the sound output parts of the double-sided speaker to output audio, and the third microphone to collect environmental noise;

[0009] When the foldable electronic device is in a folded state, the mainboard of the foldable electronic device controls the second microphone to record audio, the other sound output part of the double-sided speaker outputs audio, and the first microphone and / or the third microphone collects ambient noise.

[0010] The audio mechanism of the electronic device of the present application includes a first microphone disposed at one end of the first housing away from the folding device 25, a second microphone disposed at the folding device, and a double-sided speaker disposed at one end of the second housing away from the folding device; when the foldable electronic device is in a folded state, the second microphone on the folding device is used for audio recording, the sound output part of the double-sided speaker performs audio output, and the first microphone is used for collecting ambient sound for noise reduction processing. Therefore, the electronic device of the present invention can also better make calls in the folded state, improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are some implementation modes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 is a schematic diagram of a three-dimensional structure of an electronic device in one embodiment of the present application;

[0013] Figure 2 yes Figure 1 A schematic diagram of a three-dimensional structure of a foldable electronic device from another perspective;

[0014] Figure 3 yes Figure 1 A schematic diagram of the front structure of a foldable electronic device;

[0015] Figure 4 yes Figure 1 A schematic diagram of the three-dimensional structure of a foldable electronic device;

[0016] Figure 5 yes Figure 2 A schematic diagram of the three-dimensional structure of a foldable electronic device;

[0017] Figure 6 yes Figure 4 A schematic diagram of the further three-dimensional structure decomposition of the foldable electronic device;

[0018] Figure 7 yes Figure 5 A schematic diagram of the further three-dimensional structure decomposition of the foldable electronic device;

[0019] Figure 8 yes Figure 6 A schematic diagram of the three-dimensional structure of the folding device and the audio mechanism;

[0020] Fig. 9 yes Figure 8 A schematic diagram of the three-dimensional structure of the folding device and the audio mechanism;

[0021] Fig.10 yes Fig. 9 A schematic diagram of a further three-dimensional structural breakdown of the folding device and the audio mechanism;

[0022] Fig.11 yes Fig.10 A schematic diagram of the three-dimensional structure of the folding device and the audio mechanism from another perspective;

[0023] Fig.12 yes Figure 8 A three-dimensional cross-sectional view of the folding device and the audio mechanism;

[0024] Fig.13 yes Figure 8 Another three-dimensional cross-sectional view of the folding device and the audio mechanism;

[0025] Fig.14 yes Figure 5 A magnified view of the three-dimensional structure of the double-sided speaker and the sound guide frame;

[0026] Fig.15 yes Fig.14 A schematic diagram of the three-dimensional structure of the double-sided speaker and the sound guide frame;

[0027] Fig.16 yes Fig.15 A schematic diagram of the three-dimensional structure of the double-sided speaker and the sound guide frame from another perspective;

[0028] Fig.17 yes Fig.15 A schematic diagram of a further three-dimensional structural decomposition of the double-sided speaker and the sound guide frame;

[0029] Fig.18 yes Fig.17 A schematic diagram of the three-dimensional structure of the double-sided speaker and the sound guide frame from another perspective;

[0030] Fig.19 yes Figure 3 Sectional view along line AA;

[0031] Fig. 20 yes Fig.19 A magnified view of part B;

[0032] Fig.21 yes Figure 3 Sectional view along line CC;

[0033] Fig. 22 yes Fig.21 An enlarged view of part D in FIG.

[0034] Fig.23 yes Figure 1 A schematic diagram of a three-dimensional structure of a foldable electronic device in a folded state;

[0035] Fig.24 yes Fig.23 A schematic structural diagram of one end surface of a foldable electronic device;

[0036] Fig.25 yes Fig.23 A schematic structural diagram of the other end surface of the foldable electronic device;

[0037] Fig.26 yes Fig.23 A schematic structural diagram of a first position state of a foldable electronic device;

[0038] Fig. 27 yes Fig.23 A schematic diagram of a structure of a second position state of a foldable electronic device;

[0039] Fig.28 is a first flow chart of a calling method for a foldable electronic device of the present application;

[0040] Fig.29 is a second flow chart of the calling method of the foldable electronic device of the present application;

[0041] Fig.30 is a third flow chart of the calling method of the foldable electronic device of the present application;

[0042] Fig.31 This is the fourth flow chart of the calling method of the foldable electronic device of the present application.

[0043] Main markings:

[0044] 100, electronic device; 20, housing; 21, first housing; 210, first sound hole; 211, first decorative strip; 2111, first end strip; 2113, first side strip; 212, first frame; 213, first end wall; 214, first back cover; 215, first side wall; 216, first through groove; 217, first positioning groove; 23, second housing; 230, second sound hole; 231, second decorative strip; 2311, second end strip; 2312, first sound hole; 2313, second side strip; 232, second frame; 2322, fixing groove; 233, second end wall; 234, second back cover; 2342, sound notch; 2345, display screen; 235, second side wall; 238, first sound outlet channel; 239, second sound outlet channel; 2391, first channel section; 2393, second channel section; 25, folding device; 251, folding frame; 2510, first sound pickup hole; 2511, sound passage; 2512, front; 2513, back; 2514, positioning groove; 2515, receiving groove; 2517, positioning port; 2518, locking hole; 253, positioning plate; 2530, receiving groove; 30, flexible screen; 31, bendable area; 33, non-bending area; 35, support plate; 352, folding part; 354, support part; 40, main board; 50, audio mechanism; 51, first microphone; 53, second microphone; 532, sealing plate; 5320, first sound hole; 533, first sealant; 535, reinforcing plate; 5350, second sound hole; 5352, positioning block; 536, positioning glue; 5361, through hole; 537, first sealing member; 5372, first sound channel; 5374, second sealant; 54, third microphone; 55, double-sided speaker; 551, first sound outlet; 552, second sound outlet; 56, sound guide frame; 561, sound outlet space; 562, sound outlet groove; 564, positioning frame; 5641, front; 5643, back; 5645, end face; 565, connecting block; 5652, third fixing groove; 566, first fixing groove Fixed groove; 567, second fixed groove; 568, sound insulation; 57, flexible circuit board; 570, second sound pickup hole; 572, positioning area; 5721, middle positioning area; 5721a, middle positioning piece; 5722, first bending area; 5724, second bending area; 5725, first positioning area; 5725a, first positioning piece; 5726, second positioning area; 7526a, second positioning piece; 574, first connecting area; 575, second connecting area; 577, sensor; 591, second sealing member; 5910, second sound channel; 593, reinforcing plate; 5930, through groove; 594, first colloid; 595, second colloid; 597, second filter. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In addition, the following descriptions of the various embodiments are made with reference to the attached drawings to illustrate specific embodiments that the present application may be implemented in. Directional terms mentioned in the present application, such as "upper", "lower", "front", "back", "left", "right", "inner", "outer", "side", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the present application, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0047] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set on..." should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0048] Please also read Figures 1 to 7In one embodiment of the present invention, an electronic device 100 includes a folding housing 20, a flexible screen 30 disposed on the front of the folding housing 20, a mainboard 40 and an audio mechanism 50 disposed in the folding housing 20; the folding housing 20 includes a first housing 21, a second housing 23 and a folding device 25, the first housing 21 and the second housing 23 are connected to opposite sides of the folding device 25, and the flexible screen 30 is disposed on the front of the first housing 21, the front of the second housing 23 and the front of the folding device 25; the flexible screen 30 includes a bendable area 31 facing the folding device 25, and two non-bending areas 33 connected to opposite sides of the bendable area 31, and the two non-bending areas 33 are respectively connected to the front of the first housing 21 and the front of the second housing 23. The first housing 21 and the second housing 23 can be folded or unfolded with each other through the folding device 25, the flexible screen 30 can be bent or unfolded with the folding housing 20, and the bendable area 31 can be bent to form a U-shape or a water drop shape or other shapes. The audio mechanism 50 includes a first microphone 51, a second microphone 53, a third microphone 54, a double-sided speaker 55 and a flexible circuit board 57. The first microphone 51, the second microphone 53, the third microphone 54 and the double-sided speaker 55 are electrically connected to the main board 40 through the flexible circuit board 57. The first microphone 51 is arranged at one end of the first shell 21 away from the folding device 25, the second microphone 53 is arranged at the folding device 25, the third microphone 54 and the double-sided speaker 55 are arranged at one end of the second shell 23 away from the folding device 25, and the double-sided speaker 55 has two sound output parts; when the foldable electronic device 100 is in an unfolded state, the first microphone 51 is used for audio recording, one of the sound output parts of the double-sided speaker 55 performs audio output, the second microphone 53 does not work, and the third microphone 54 is used to collect environmental noise for noise reduction processing; when the foldable electronic device 100 is in a folded state, the second microphone 53 is used for audio recording, one of the sound output parts of the double-sided speaker 55 performs audio output, and the first microphone 51 and / or the third microphone 54 are used to collect environmental noise for noise reduction processing. Specifically, when the foldable electronic device 100 is in a folded state, the second microphone 53 is used for audio recording, and one of the sound output parts of the double-sided speaker 55 outputs audio. The mainboard 40 can be designed to control the first microphone 51 to collect ambient noise, control the third microphone 54 to collect ambient noise, or control both the first microphone 51 and the third microphone 54 to collect ambient noise.

[0049] In this embodiment, the front side refers to the side facing the same direction as the light emitting surface of the flexible screen 30, and the back side refers to the side facing away from the light emitting surface of the flexible screen 30. The electronic device 100 is, for example, but not limited to, a mobile phone, a tablet computer, a display, a liquid crystal panel, an OLED panel, a television, a smart watch, a VR head-mounted display, a car display, and any other product and component with a display function. The "connection" in the description of the embodiment of the present invention includes two situations: direct connection and indirect connection. For example, the connection between A and B includes A and B being directly connected or connected through a third element C or more other elements. The connection also includes two situations: integrated connection and non-integrated connection. The integrated connection means that A and B are formed and connected as one, and the non-integrated connection means that A and B are formed and connected as a non-integrated connection.

[0050] The audio mechanism 50 of the electronic device 100 of the present invention includes a first microphone 51 disposed at one end of the first housing 21 away from the folding device 25, a second microphone 53 disposed at the folding device 25, and a double-sided speaker 55 disposed at one end of the second housing 23 away from the folding device 25; when the folding electronic device 100 is in a folded state, the second microphone 53 on the folding device 25 is used for audio recording, one of the sound output parts of the double-sided speaker 55 performs audio output, and the first microphone 51 and / or the third microphone 54 are used to collect environmental noise for noise reduction processing. Therefore, the electronic device 100 of the present invention can also make calls better in the folded state, improving the user experience; secondly, the second microphone 53 is disposed on the folding device 25, and the second microphone 53 is electrically connected to the main board 40 through the flexible circuit board 57, which can reduce the stacking space occupied by the second microphone 53 of the electronic device 100, increase space utilization, and facilitate the layout of other electronic components.

[0051] like Figure 6 and Figure 7 As shown, the first housing 21 includes a first frame 212 and a first back cover 214 covering the back of the first frame 212. The first frame 212 is used to install electronic components such as batteries and circuit boards. Specifically, the first housing 21 includes a first end wall 213 and two opposite first side walls 215. The first end wall 213 and the two first side walls 215 form a first receiving space for receiving electronic components. In this embodiment, the outer surface of the first end wall 213 is provided with a first sound hole 210, and the first microphone 51 is arranged in the first receiving space of the first frame 212, and the first microphone 51 is opposite to the first sound hole 210. Specifically, the first frame 212 is provided with a first positioning groove near the first sound hole 210, and the first microphone 51 is positioned in the first positioning groove so that the first microphone 51 is opposite to the first sound hole 210. Optionally, the first microphone 51 can also be connected to the first frame 212 by screwing, screwing or gluing.

[0052] In other embodiments, the first sound hole 210 may also be disposed on one of the first side walls 215 close to the first end wall 213 , and the first microphone 51 is disposed in the first receiving space of the first frame body 212 , and the first microphone 51 faces the first sound hole 210 .

[0053] Optionally, a first through slot 216 is provided at one end of the first frame body 212 away from the first end wall 213 , and the first through slot 216 is used for passing the flexible circuit board 57 ; a first positioning slot 217 is provided near the first through slot 216 of the first frame body 212 .

[0054] The second housing 23 includes a second frame 232 and a second back cover 234 covering the back of the second frame 232. The second frame 232 is used to install electronic components such as a camera device and a mainboard 40. Specifically, the second housing 23 includes a second end wall 233 and two opposite second side walls 235. The second end wall 233 and the two second side walls 235 form a second receiving space for receiving electronic components. In this embodiment, the outer surface of the second end wall 233 is provided with a second sound hole 230, and the third microphone 54 is arranged in the second receiving space of the second frame 232, and the third microphone 54 is opposite to the second sound hole 230. Specifically, the second frame 232 is provided with a second positioning groove near the second sound hole 230, and the third microphone 54 is positioned in the second positioning groove so that the third microphone 54 is opposite to the second sound hole 230. Optionally, the third microphone 54 can also be connected to the second frame 232 by screwing, screwing or gluing.

[0055] In other embodiments, the second sound hole 230 may also be disposed on one of the second side walls 235 near the second end wall 233, and the third microphone 54 is disposed in the second receiving space of the second frame 232, and the third microphone 54 faces the second sound hole 230. Optionally, a second through slot 236 is disposed at one end of the second frame 232 away from the second end wall 233, and the second through slot 236 is used for the flexible circuit board 57 to pass through; and a second positioning slot 237 is disposed near the second through slot 236 of the second frame 232.

[0056] The second housing 23 is provided with a first sound outlet channel 238 on one side of the double-sided speaker 55, and a second sound outlet channel 239 on the other side of the second housing 23 opposite to the double-sided speaker 55; specifically, the first sound outlet channel 238 and the second sound outlet channel 239 are close to the second end wall 233, one end of the first sound outlet channel 238 passes through the front of the second housing 23, and one end of the second sound outlet channel 239 passes through the second end 233 of the second housing 23. The second frame 232 is provided with a fixing groove 2322 near the first sound outlet channel 238, and the fixing groove 2322 is used to position the double-sided speaker 55, and the first sound outlet channel 238 and the second sound outlet channel 239 are respectively connected to the fixing groove 2322. When the double-sided speaker 55 is positioned at the fixing groove 2322, the two sound outlets on the opposite sides of the double-sided speaker 55 are respectively connected to the first sound outlet channel 238 and the second sound outlet channel 239. In other embodiments, the double-sided speaker 55 may also be connected to the second frame 232 near the first sound outlet channel 238 and the second sound outlet channel 239 by means of, but not limited to, snap connection, adhesive connection, or screw connection. Fig.25 As shown, the second sound outlet channel 239 includes a first channel section 2391 of the second sound channel 5910 connected to the second sealing member 591 and a second channel section 2393 connected to the sound outlet notch 2342. Optionally, the first channel section 2391 extends along the length direction of the second frame body 232, and the second channel section 2393 extends along the thickness direction of the second frame body 232.

[0057] Optionally, a sound outlet notch 2342 connected to the second sound outlet channel 239 is provided on the back of the second housing 23. Specifically, the sound outlet notch 2342 is provided at the end of the second back cover 234. When the second back cover 234 covers the back of the second frame 232, the sound outlet notch 2342 is connected to the second sound outlet channel 239. Optionally, a display screen 2345 is provided on the back of the second housing 23, and the display screen 2345 is electrically connected to the main board; specifically, the display screen 2345 is provided on the back of the second back cover 234.

[0058] Optionally, the folding housing 20 further includes a decorative strip covering the flexible screen 30, the flexible screen 30 is clamped between the decorative strip and the first frame 212 and the second frame 232, the decorative strip is provided with a first sound outlet hole, and the first sound outlet hole is connected to the first sound outlet channel 238. Specifically, the folding housing 20 includes a first decorative strip 211 and a second decorative strip 231, one non-bending area 33 of the flexible screen 30 is clamped by the first frame 212 and the first decorative strip 211, and the other non-bending area 33 of the flexible screen 30 is clamped by the second frame 232 and the second decorative strip 231, and the second decorative strip 231 is provided with a first sound outlet hole 2312 corresponding to the first sound outlet channel 238. Specifically, the first decorative strip 211 and the second decorative strip 231 are both U-shaped strips. The first decorative strip 211 includes a first end strip 2111 and two first side strips 2113. The two first side strips 2113 are respectively connected to the opposite ends of the same side of the first end strip 2111. The first end strip 2111 is connected to the first end wall 213 of the first frame body 212. The two first side strips 2113 are respectively connected to the two first side walls 215 of the first frame body 212; the second decorative strip 231 includes a second end strip 2311 and two second side strips 2313. The two second side strips 2313 are respectively connected to the opposite ends of the same side of the second end strip 2311. The second end strip 2311 is connected to the second end wall 233 of the second frame body 232. The two second side strips 2313 are respectively connected to the two second side walls 235 of the second frame body 232. A plurality of first sound outlet holes 2312 are formed on the second end strip 2311 , and the plurality of first sound outlet holes 2312 are arranged along the length direction of the second end strip 2311 .

[0059] Optionally, a support plate 35 is provided on the back of the flexible screen 30 , and the support plate 35 includes a folding portion 352 facing the bendable area 31 and support portions 354 provided on opposite sides of the folding portion 352 ; the folding portion 352 can be bent or unfolded along with the bendable area 31 .

[0060] Please also read Figure 8-Figure 13The folding device 25 includes a folding frame 251 and a positioning plate 253. The second microphone 53 is arranged on the folding frame 251. The outer surface of the folding frame 251 is provided with a first sound pickup hole 2510. The folding frame 251 is provided with a sound-passing groove 2511 connected to the first sound pickup hole 2510. The flexible circuit board 57 is provided with a second sound pickup hole 570 opposite to the second microphone 53. The second sound pickup hole 570 is connected to the sound-passing groove 2511. Sound energy enters the second microphone 53 from the first sound pickup hole 2510 through the sound-passing groove 2511 and the second sound pickup hole 570. Specifically, the folding frame 251 is a bar-shaped frame. The folding frame 251 includes a front side 2512 and a back side 2513. The first sound pickup hole 2510 is provided on the back side 2513, and the sound-passing groove 2511 is provided on the front side 2512. Preferably, the first sound pickup hole 2510 is located in the middle of the back side 2513, and the sound passage groove 2511 is located in the middle of the front side 2512. Optionally, the front side 2512 of the folding frame 251 is provided with a folding mechanism (not shown in the figure), and the opposite sides of the folding mechanism are respectively connected to the first frame 212 and the first frame 212, and the first shell 21 and the second shell 23 can be folded or unfolded with each other through the folding mechanism.

[0061] Optionally, the folding frame 251 is provided with a positioning groove 2514, the positioning groove 2514 is used to position the flexible circuit board 57, and the sound-passing groove 2511 is connected to the positioning groove 2514. Specifically, the positioning groove 2514 is located on the front side 2512 of the folding frame 251. In this embodiment, the positioning groove 2514 is located in the middle of the front side 2512. The opposite sides of the positioning groove 2514 pass through the opposite sides of the folding frame 251 respectively. The folding frame 251 is provided with a receiving groove 2515, the receiving groove 2515 is arranged around the sound-passing groove 2511, and the receiving groove 2515 is connected to the positioning groove 2514 and the sound-passing groove 2511. Specifically, the receiving groove 2515 is arranged on the bottom surface of the positioning groove 2514 of the folding frame 251, and the sound-passing groove 2511, the receiving groove 2515 and the positioning groove 2514 are stacked in the thickness direction of the folding frame 251. The foldable frame 251 is provided with a positioning opening 2517 around the positioning groove 2514. Optionally, a locking hole 2518 is provided on the front side 2512 of the foldable frame 251.

[0062] The positioning plate 253 can be connected to the folding frame 251 to position the flexible circuit board 57 to the folding device 25. The positioning plate 253 is provided with a receiving groove 2530, and the second microphone 53 can be accommodated in the receiving groove 2530. When the flexible circuit board 57 is provided with the second microphone 53 and is clamped by the positioning plate 253 and the folding frame 251, the second microphone 53 is accommodated in the receiving groove 2530, and the second microphone 53 is directly opposite to the sound-passing groove 2511. Optionally, a through hole 2532 is provided on the front of the positioning plate 253.

[0063] Optionally, the audio mechanism 50 further includes a sealing plate 532, which is supported on the flexible circuit board 57 at a position facing the second microphone 53, and the sealing plate 532 is provided with a first sound hole 5320 connected to the second sound pickup hole 570. When the sealing plate 532 is positioned in the receiving groove 2515, the sound receiving groove 2511 is connected to the first sound hole 5320; in this embodiment, the first sound hole 5320 is located at one end of the sealing plate 532, and when the sealing plate 532 is received in the receiving groove 2515, the first sound pickup hole 2510 and the first sound hole 5320 are respectively located at opposite ends of the sound receiving groove 2511. In other embodiments, the first sound hole 5320 may also be provided in the middle of the sealing plate 532. The sealing plate 532 is connected to the bottom surface of the receiving groove 2515 by a first sealant 533, and the first sealant 533 is provided around the sound receiving groove 2511. In this embodiment, after the sealing plate 532 is positioned in the receiving groove 2515 by the first sealant 533 , the front surface of the sealing plate 532 is coplanar with the bottom surface of the positioning groove 2514 .

[0064] Optionally, the audio mechanism 50 further includes a reinforcing plate 535, which is located between the sealing plate 532 and the flexible circuit board 57, and is positioned in the positioning groove 2514; the reinforcing plate 535 is provided with a second sound hole 5350 connected to the first sound hole 5320. The reinforcing plate 535 may be, but is not limited to, an insulating plastic plate, a rubber plate, etc. The back of the reinforcing plate 535 is connected to the bottom surface of the positioning groove 2514 by a positioning glue 536, and the front of the reinforcing plate 535 is supported on the back of the flexible circuit board 57, so that the first sound hole 5320 is opposite to the second sound pickup hole 570. In this embodiment, the positioning glue 536 is a film located between the front of the sealing plate 532 and the back of the reinforcing plate 535, and the film is provided with through holes 5361 corresponding to the first sound hole 5320 and the second sound hole 5350.

[0065] Optionally, a positioning block 5352 is provided on the outer periphery of the reinforcing plate 535 , and the positioning block 5352 can be positioned at the positioning opening 2517 of the folding frame 251 , so that the reinforcing plate 535 is positioned at the front side of the folding frame 251 .

[0066] Optionally, the audio mechanism 50 further includes a first sealing member 537, the first sealing member 537 is provided with a first sound channel 5372, the first sealing member 537 is sealedly clamped between the reinforcing plate 535 and the sealing plate 532, and the first sound channel 5372 communicates with the first sound hole 5320 and the second sound hole 5350. That is, the front side of the first sealing member 537 is sealedly connected to the back side of the reinforcing plate 535, and the back side of the first sealing member 537 is sealedly connected to the front side of the sealing plate 532, so that the first sound hole 5320, the first sound channel 5372 and the second sound hole 5350 are connected to each other. Optionally, the first sealing member 537 is connected to the sealing plate 532 by a second sealant 5374, and the end of the first sealing member 537 away from the sealing plate 532 passes through the through hole 5361 and is connected to the reinforcing plate 535 by a sealant. In this embodiment, the first sealing member 537 is a sealing tube, and opposite end surfaces of the sealing tube are respectively connected to the sealing plate 532 and the reinforcing plate 535 . The inner cavity of the sealing tube communicates with the first sound hole 5320 and the second sound hole 5350 .

[0067] Optionally, the first sealing member 537 is provided with a first filter at at least one end of the first sound channel 5372 to prevent external impurities such as dust from entering the interior of the electronic device 100 .

[0068] like Fig.10 and Fig.11 As shown, the flexible circuit board 57 includes a positioning area 572 located in the middle thereof and a first connection area 574 and a second connection area 575 located on opposite sides of the positioning area 572. The second microphone 53 is electrically connected to the front side of the positioning area 572. The positioning area 572 is used to position the flexible circuit board 57 on the folding device 25. A first connector is provided on the first connection area 574, and the first connector is used to electrically connect to the first microphone 51 and other electronic devices on the first shell 21. A second connector is provided on the second connection area 575, and the second connector is used to electrically connect to the third microphone 54, the double-sided speaker 55 and other electronic devices on the second shell 23. Specifically, the positioning area 572 includes a middle positioning area 5721 located in the middle, a first bending area 5722 and a second bending area 5724 connected to opposite sides of the middle positioning area 5721, a first positioning area 5725 and a second positioning area 5726; the first positioning area 5725 is connected between the first connecting area 574 and the first bending area 5722, and the second positioning area 5726 is connected between the second connecting area 575 and the second bending area 5724. The second microphone 53 is electrically connected to the front of the middle positioning area 5721, and the second sound pickup hole 570 is opened in the middle positioning area 5721 and faces the second microphone 53.

[0069] Optionally, the opposite ends of the middle positioning area 5721 are respectively provided with middle positioning pieces 5721a, and the middle positioning piece 5721a is used to be snapped into the positioning port 2517 of the folding frame 251; the opposite ends of the first positioning area 5725 are respectively provided with first positioning pieces 5725a, and the opposite ends of the second positioning area 5726 are respectively provided with second positioning pieces 7526a.

[0070] Optionally, the first microphone 51 , the second microphone 53 , the third microphone 54 and the double-sided speaker 55 are respectively soldered to the flexible circuit board 57 by SMT technology.

[0071] Optionally, the foldable electronic device 100 further includes a sensor 577 electrically connected to the mainboard, and the flexible circuit board 57 is further provided with the sensor 577, and the sensor 577 is electrically connected to the mainboard through the flexible circuit board 57; the sensor 577 can be provided in the first housing 21 or the second housing 23. The sensor 577 can be, but is not limited to, a gyroscope sensor, an acceleration sensor, a gravity sensor, etc. Optionally, the sensor 577 can be soldered to the flexible circuit board 57 by SMT technology.

[0072] Please also read Figure 6-Figure 13 When the flexible circuit board 57 is assembled to the folding device 25, the sealing plate 532 is connected to the receiving groove 2515 of the folding frame 251 through the first sealing glue 533, so that the first sound hole 5320 is connected to the sound hole 2511; the first sealing member 537 is connected to the front of the sealing plate 532 through the second sealing glue 5374, so that the first sound channel 5372 is connected to the first sound hole 5320; the reinforcing plate 535 is positioned in the positioning groove 2514 of the folding frame 251 through the positioning glue 536, so that the end of the first sealing member 537 away from the sealing plate 532 passes through the through hole 5361 and is sealed and connected to the reinforcing plate 535, the first sound channel 5372 is connected to the second sound hole 5350, and the positioning block 5352 is snapped on The positioning opening 2517 of the folding frame 251; the back side of the middle positioning area 5721 of the flexible circuit board 57 is covered on the front side of the reinforcing plate 535, so that the second sound hole 5350 is connected to the second sound pickup hole 570, and the middle positioning piece 5721a is snap-fitted to the positioning opening 2517 of the folding frame 251; the positioning plate 253 is covered on the front side of the middle positioning area 5721 of the flexible circuit board 57, so that the second microphone 53 is accommodated in the receiving groove 2530, and a locking member such as a screw passes through the through hole 2532 of the positioning plate 253 and is locked in the locking hole 2518 of the folding frame 251, and the flexible circuit board 57 is clamped between the folding frame 251 and the positioning plate 253, so that the second microphone 53 is positioned in the folding device 25.

[0073] Please refer to Figure 5 and Figure 14-18The double-sided speaker 55 includes a first sound outlet 551 and a second sound outlet 552 disposed on opposite sides thereof, the first sound outlet 551 facing the first sound outlet channel 238, and the second sound outlet 552 facing the second sound outlet channel 239; the mainboard can control the first sound outlet 551 of the double-sided speaker 55 to output audio to the first sound outlet channel 238, or control the second sound outlet 552 of the double-sided speaker 55 to output audio to the second sound outlet channel 239. Specifically, when the foldable electronic device 100 is in an unfolded state, the mainboard controls the first sound outlet 551 of the double-sided speaker 55 to output audio to the first sound outlet channel 238; when the foldable electronic device 100 is in a folded state, the mainboard controls the second sound outlet 552 of the double-sided speaker 55 to output audio to the second sound outlet channel 239.

[0074] Optionally, the audio mechanism 50 further includes a sound guide frame 56, which is connected to the second sound outlet portion 552 of the double-sided speaker 55 and the second frame 232; that is, the sound guide frame 56 is connected to the side of the double-sided speaker 55 where the second sound outlet portion 552 is provided, and the sound guide frame 56 is connected to the second frame 232. The sound guide frame 56 is provided with a sound outlet space 561 and a sound outlet groove 562 connected to the sound outlet space 561, the second sound outlet portion 552 of the double-sided speaker 55 is connected to the sound outlet space 561, and the sound outlet groove 562 is connected to the second sound outlet channel 239 of the second frame 232. Specifically, the sound outlet space 561 is provided in the middle of the sound guide frame 56, and the sound outlet groove 562 is provided on the outer surface of the sound guide frame 56. In this embodiment, the sound guide frame 56 is a rectangular body, and the sound guide frame 56 includes a rectangular positioning frame 564 and a connecting block 565 connected to the positioning frame 564. The positioning frame 564 includes a front face 5641, a back face 5643, two opposite end faces 5645 and two opposite side faces. The sound output space 561 is arranged in the middle of the positioning frame 564. The front face 5641 of the positioning frame 564 is provided with a first fixing groove 566 connected to the sound output space 561, and the back face 5643 of the positioning frame 564 is provided with a second fixing groove 567 connected to the sound output space 561. The double-sided speaker 55 is provided with one side of the second sound output portion 552 fixed to the first fixing groove 566. The connecting block 565 is connected to one end face 5645 of the positioning frame 564, and the sound output groove 562 is arranged on the side of the connecting block 565 away from the positioning frame 564, and the sound output groove 562 passes through the connecting block 565 and connects to the sound output space 561. The side of the connecting block 565 facing away from the positioning frame 564 is provided with a third fixing groove 5652 around the sound outlet groove 562. The sound guide frame 56 also includes a sound insulation member 568, which covers the second fixing groove 567 and is fixed to the positioning frame 564. The sound insulation member 568 and the double-sided speaker 55 are located on opposite sides of the sound outlet space 561. In this embodiment, the sound insulation member 568 is a sound insulation sheet.

[0075] Optionally, the audio mechanism 50 further includes a second seal 591, the second seal 591 is connected between the sound guide frame 56 and the second frame body 232, and the second seal 591 is provided with a second sound channel 5910, and the second sound channel 5910 communicates with the sound outlet groove 562 and the second sound outlet channel 239. Specifically, the second seal 591 is positioned around the third fixing groove 5652 of the sound guide frame 56 so that one side of the second seal 591 is sealed and connected to the sound guide frame 56. In this embodiment, the second seal 591 is a rectangular frame. In other embodiments, the second seal 591 can be, but is not limited to, an annular frame, a polygonal frame, etc.

[0076] Optionally, the audio mechanism 50 further includes a reinforcing plate 593, through which the second sealing member 591 is connected to the sound guide frame 56; the reinforcing plate 593 defines a through slot 5930 communicating with the sound outlet slot 562 and the second sound channel 5910. Specifically, the second sealing member 591 is connected to one side of the reinforcing plate 593 through a first colloid 594, and the reinforcing plate 593 is connected to the connecting block 565 through a second colloid 595.

[0077] Optionally, the reinforcing plate 593 is provided with a second filter 597 on at least one side of the through slot 5930 to prevent external impurities such as dust from entering the interior of the double-sided speaker 55 .

[0078] During assembly, the side of the double-sided speaker 55 provided with the second sound outlet 552 is sealed and fixedly connected to the first fixing groove 566 of the sound guide frame 56, so that the second sound outlet 552 is connected to the sound outlet space 561, and the double-sided speaker 55 and the sound guide frame 56 can be sealed and fixedly connected by means of, but not limited to, gluing, snapping, etc.; the sound insulation member 568 is accommodated in the second fixing groove 567 of the positioning frame 564, and the sound insulation member 568 is sealed and fixedly connected to the sound guide frame 56, and the sound insulation member 568 and the positioning frame 564 can be sealed and fixedly connected by means of gluing, snapping, etc. The sound insulation 568 and the positioning frame 564 can also be connected by in-mold injection molding; the second sealing member 591, the first colloid 594, the reinforcing plate 593, the second filter 597 and the second colloid 595 are stacked and connected together, so that the through groove 5930 is connected to the second sound channel 5910; the side of the second colloid 595 facing away from the second sealing member 591 is connected to the inner surface of the third fixed groove 5652 of the sound guide frame 56, so that the second sealing member 591, the reinforcing plate 593 and the second filter 597 are connected to the sound guide frame 56.

[0079] Please also read Figure 1-Figure 7 and Figure 19-22, install the double-sided speaker 55 and the sound guide frame 56 into the fixing groove 2322 of the second frame 232, and the second sealing member 591 is sealingly connected to the second frame 232 on the side facing away from the sound guide frame 56, so that the second sound channel 5910 is connected to the second sound outlet channel 239, and the first sound outlet portion 551 is connected to the first sound outlet channel 238. The folding device 25 is placed between the first frame body 212 and the second frame body 232, the first connecting area 574 is passed through the first through slot 216 of the first frame body 212, and the first positioning piece 5725a of the first positioning area 5725 is snapped into the first positioning slot 217 of the first frame body 212, the first connecting area 574 is electrically connected to the first microphone 51, and the first microphone 51 is installed to the first frame body 212 so that the first microphone 51 faces the first sound hole 210; the second connecting area 575 is passed through the second through slot 236 of the second frame body 232, and the second positioning piece 7526a of the second positioning area 5726 is snapped into the second positioning slot 237 of the second frame body 232, the second connecting area 575 is electrically connected to the third microphone 54 and the double-sided speaker 55, and the third microphone 54 is installed to the second frame body 232 so that the third microphone 54 faces the second sound hole 230. At this time, the flexible circuit board 57 is connected to the folding device 25 and the first frame 212 and the second frame 232, the first bending area 5722 is located between the first frame 212 and the folding device 25, and the second bending area 5724 is located between the second frame 232 and the folding device 25. The flexible screen 30 is installed on the front of the first shell 21, the second shell 23 and the folding device 25. Specifically, the backs of the two non-bending areas 33 are connected to the front of the first frame 212 and the front of the second frame 232, respectively, and the back of the bendable area 31 is connected to the front of the folding device 25. The front of the second frame 232 and the corresponding non-bending area 33 enclose the first sound outlet channel 238. The first decorative strip 211 is covered on one of the non-bending areas 33 and connected to the first frame 212, and the second decorative strip 231 is covered on the other non-bending area 33 and connected to the second frame 232, so that the first sound outlet hole 2312 is connected to the first sound outlet channel 238. The first back cover 214 is covered on the back of the first frame body 212 , and the second back cover 234 is covered on the back of the second frame body 232 , so that the sound outlet notch 2342 of the second back cover 234 faces the second sound outlet channel 239 .The two sound outlet parts on the opposite sides of the double-sided speaker 55 can be designed with independent sound outlet channels to realize the independent sound outlet requirements of the front and back sides, which can greatly save stacking space; specifically, a first sound outlet channel 238 and a second sound outlet channel 239 are respectively opened on the opposite sides of the second shell 23, the first sound outlet channel 238 and the second sound outlet channel 239 are relatively connected, and the two sound outlet channels are separated by the sound guide frame 56, the first sound outlet channel 238 and the second sound outlet channel 239 are respectively connected to the first sound outlet part 551 and the second sound outlet part 552 of the double-sided speaker 55, so that the first sound outlet channel 238 and the second sound outlet channel 239 can emit sound independently, thereby saving stacking space.

[0080] Please also read Figure 1-Figure 3 and Figure 23-Figure 27 , the sensor 577 is used to detect the current state of the foldable electronic device 100, which includes the foldable electronic device 100 being in a folded state or an unfolded state. The folded state refers to the two non-bending areas 33 of the flexible screen 30 being parallel to each other, and the angle between the two non-bending areas 33 is 0 degrees; the unfolded state refers to the two non-bending areas 33 of the flexible screen 30 being coplanar, and the angle between the two non-bending areas 33 is 180 degrees. When the sensor 577 detects that the foldable electronic device 100 is in a folded state for a call, the mainboard controls the second microphone 53 to record audio, and the double-sided speaker 55 outputs audio away from the sound output part of the flexible screen 30, and the sound is output through the second sound output channel 239; when the sensor 577 detects that the foldable electronic device 100 is in an unfolded state for a call, the mainboard controls the first microphone 51 to record audio, and the double-sided speaker 55 outputs audio facing the sound output part of the flexible screen 30, and the sound is output from the first sound output hole 2312 through the first sound output channel 238.

[0081] Specifically, the sensor 577 is a gyroscope sensor arranged in the foldable electronic device 100. When the gyroscope sensor detects that the foldable electronic device 100 is in a folded state for a call, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect ambient noise for noise reduction processing, and the second sound output part 552 of the double-sided speaker 55 outputs audio, and the sound is output through the sound output space 561, the sound output groove 562, the second sound channel 5910 and the second sound output channel 239; when the sensor 577 detects that the foldable electronic device 100 is in an unfolded state for a call, the mainboard controls the first microphone 51 to record audio, the third microphone 54 collects ambient noise for noise reduction processing, the second microphone 53 does not work, and the first sound output part 551 of the double-sided speaker 55 outputs audio, and the sound is discharged from the first sound output hole 2312 through the first sound output channel 238.

[0082] Optionally, the foldable electronic device 100 is further provided with an acceleration sensor or a gravity sensor electrically connected to the mainboard, and the acceleration sensor or the gravity sensor is used to detect whether the user is operating the display screen 2345 forward or reverse; Fig. 27 As shown, the forward operation display screen 2345 means that when the user holds the foldable electronic device 100 to answer a call, the display screen 2345 is close to the user's face, the folding device 25 is close to the user's mouth, and the second sound outlet channel 239 is close to the user's ear; Fig. 27 As shown, the reverse operation means that when the user holds the foldable electronic device 100 to answer a call, the display screen 2345 is close to the user's face, the folding device 25 is close to the user's ear, and the second sound output channel 239 is close to the user's mouth. When the gyroscope sensor detects that the foldable electronic device 100 is in a folded state and is making a call, if the acceleration sensor or the gravity sensor detects that the foldable electronic device 100 is in the first position state, the first position state is the state of the above-mentioned forward operation display screen 2345, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect environmental noise for noise reduction processing, and the second sound output part of the double-sided speaker 55 outputs audio; if the acceleration sensor or the gravity sensor detects that the foldable electronic device 100 is in the second position state, the second position state is the state of the above-mentioned reverse operation display screen 2345, the mainboard controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 collects environmental noise for noise reduction processing, and the second sound output part of the double-sided speaker 55 outputs audio.

[0083] Specifically, when the user operates the display screen 2345 forward to make a call, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect ambient noise for noise reduction processing, the second sound output part 552 of the double-sided speaker 55 performs audio output, the sound is output from the second sound output channel 239, and the first sound output part 551 of the double-sided speaker 55 does not work; when the user operates the display screen 2345 reversely to make a call, the mainboard controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 collects ambient noise for noise reduction processing, the second sound output part 552 of the double-sided speaker 55 performs audio output, the sound is output from the second sound output channel 239, and the first sound output part 551 of the double-sided speaker 55 does not work.

[0084] Optionally, when the gyroscope sensor detects that the foldable electronic device 100 is in the folded state for a call, if the acceleration sensor or the gravity sensor detects that the foldable electronic device 100 is in the third position state; the third position state refers to the user operating the foldable electronic device 100 in the folded state, the back of the first shell 21 is against the user's face, the folding device 25 is close to the user's mouth, and the first sound outlet 2312 is close to the user's ear. When the foldable electronic device 100 is making a call, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect environmental noise for noise reduction processing, the first sound output part 551 of the double-sided speaker 55 outputs audio, and the sound is output from the first sound outlet 2312 through the first sound outlet channel 238, and the second sound output part 552 of the double-sided speaker 55 does not work.

[0085] Optionally, when the gyroscope sensor detects that the foldable electronic device 100 is in a folded state for a call, if the acceleration sensor or the gravity sensor detects that the foldable electronic device 100 is in a fourth position state; the fourth position state refers to the user operating the foldable electronic device 100 in a folded state, the back of the first shell 21 is against the user's face, the folding device 25 is close to the user's ear, and the first sound outlet 2312 is close to the user's mouth; when the foldable electronic device 100 is making a call, the mainboard controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 collects ambient noise for noise reduction processing, the first sound output part 551 of the double-sided speaker 55 outputs audio, and the sound is output from the first sound outlet 2312 through the first sound output channel 238, and the second sound output part 552 of the double-sided speaker 55 does not work.

[0086] The audio output of the foldable electronic device 100 of the present application detects the posture of the mobile phone through the sensor 577, and controls the working status of the first sound output part 551 and the second sound output part 552 of the double-sided speaker 55 through software to achieve targeted functional output; it can facilitate users to make calls, and the call effect is better, thereby improving the user experience.

[0087] like Fig.28 As shown, the present application also provides a calling method of a foldable electronic device 100, the calling method comprises the following steps:

[0088] S101: Determine whether the foldable electronic device 100 is in a call state; that is, the foldable electronic device 100 enters a call state.

[0089] S103: Acquire the current posture of the foldable electronic device 100, where the current posture includes an unfolded state or a folded state; that is, the system of the foldable electronic device 100 determines whether the foldable electronic device 100 is currently in an unfolded state or a folded state.

[0090] S105: When the foldable electronic device 100 is in the unfolded state, the main board of the foldable electronic device 100 controls the first microphone 51 to record audio, controls one of the sound output parts of the double-sided speaker 55 to output audio, and the third microphone collects ambient noise; specifically, if the system of the foldable electronic device 100 determines that the foldable electronic device 100 is in the unfolded state, the main board controls the first microphone 51 to record audio, controls the first sound output part 551 of the double-sided speaker 55 to output audio, and controls the third microphone 54 to collect ambient noise for noise reduction processing, and the second microphone 53 does not work.

[0091] S107: When the foldable electronic device 100 is in a folded state, the main board of the foldable electronic device 100 controls the second microphone 53 to record audio, controls the sound output part on the back of the double-sided speaker 55 to output audio, and the first microphone 51 and / or the third microphone 54 collect environmental noise; specifically, if the system of the foldable electronic device 100 determines that the foldable electronic device 100 is in a folded state, the main board controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect environmental noise for noise reduction processing, and controls the sound output part of the double-sided speaker 55 facing the user's face to output audio.

[0092] like Fig.29 As shown, the calling method of the foldable electronic device 100 in different position states in the folded state includes:

[0093] S201: When the foldable electronic device 100 is in a folded state;

[0094] S203: Determine the current position state of the foldable electronic device 100, which position state includes a first position state and a second position state; the first position state means that when the user holds the foldable electronic device 100 to answer a call, the display screen 2345 is against the user's face, the folding device 25 is close to the user's mouth, and the second sound output channel 239 is close to the user's ear; the second position state means that when the user holds the foldable electronic device 100 to answer a call, the display screen 2345 is facing the user's face, the folding device 25 is close to the user's ear, and the second sound output channel 239 is close to the user's mouth.

[0095] S205: When the folding electronic device 100 is in the first position, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect ambient noise, and the sound output part on the back of the double-sided speaker 55 outputs audio; specifically, when the folding electronic device 100 is making a call in the first position, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect ambient noise for noise reduction processing, the second sound output part 552 of the double-sided speaker 55 outputs audio, the sound is output from the second sound output channel 239, and the first sound output part 551 of the double-sided speaker 55 does not work.

[0096] S207: When the foldable electronic device 100 is in the second position, the mainboard controls the first microphone 51 to record audio, the second microphone 53 collects ambient noise, and the sound output part on the back of the double-sided speaker 55 outputs audio; specifically, when the foldable electronic device 100 is in the second position for a call, the mainboard controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 collects ambient noise for noise reduction processing, the second sound output part 552 of the double-sided speaker 55 outputs audio, the sound is output from the second sound output channel 239, and the first sound output part 551 of the double-sided speaker 55 does not work.

[0097] like Fig.30 As shown, the present application also provides a calling method of a foldable electronic device 100, the calling method comprises the following steps:

[0098] S301: Determine whether the foldable electronic device 100 is in a call state; that is, the foldable electronic device 100 enters a call state.

[0099] S303: Acquire the current posture of the foldable electronic device 100, where the current posture includes an unfolded state or a folded state; that is, the system of the foldable electronic device 100 determines whether the foldable electronic device 100 is currently in an unfolded state or a folded state.

[0100] S305: When the foldable electronic device 100 is in the unfolded state, the main board of the foldable electronic device 100 controls the first microphone 51 to record audio, one of the sound output parts of the double-sided speaker 55 to output audio, and the third microphone 54 to collect ambient noise; specifically, if the system of the foldable electronic device 100 determines that the foldable electronic device 100 is in the unfolded state, the main board controls the first microphone 51 to record audio, the main board controls the first sound output part 551 of the double-sided speaker 55 to output audio, the main board controls the third microphone 54 to collect ambient noise for noise reduction processing, and the second microphone 53 does not work.

[0101] S307: When the foldable electronic device 100 is in a folded state, the main board of the foldable electronic device 100 controls the first microphone 51 and the third microphone 54 to record audio, the other sound output part of the double-sided speaker 55 to output audio, and the second microphone 53 to collect ambient noise; specifically, if the system of the foldable electronic device 100 determines that the foldable electronic device 100 is in a folded state, the main board controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 to collect ambient noise for noise reduction processing, and controls the second sound output part of the double-sided speaker 55 to output audio.

[0102] like Fig.31 As shown, the calling method of the foldable electronic device 100 in different position states in the folded state includes:

[0103] S501: When the foldable electronic device 100 is in a folded state;

[0104] S503: Determine the current position state of the foldable electronic device 100, which position state includes a third position state and a fourth position state; the third position state refers to the user operating the foldable electronic device 100 in the folded state, so that the back of the first shell 21 is against the user's face, the folding device 25 is close to the user's mouth, and the first sound hole 2312 is close to the user's ear; the fourth position state refers to the user operating the foldable electronic device 100 in the folded state, so that the back of the first shell 21 is against the user's face, the folding device 25 is close to the user's ear, and the first sound hole 2312 is close to the user's mouth.

[0105] S505: When the foldable electronic device 100 is in the third position, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect ambient noise, and the sound output part on the front of the double-sided speaker 55 outputs audio; specifically, when the foldable electronic device 100 is making a call in the third position, the mainboard controls the second microphone 53 to record audio, the first microphone 51 and / or the third microphone 54 collect ambient noise for noise reduction processing, the first sound output part 551 of the double-sided speaker 55 outputs audio, and the sound is output from the first sound outlet 2312 via the first sound outlet channel 238, and the second sound output part 552 of the double-sided speaker 55 does not work.

[0106] S507: When the foldable electronic device 100 is in the fourth position, the mainboard controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 collects ambient noise, and the sound output part on the front of the double-sided speaker 55 outputs audio; specifically, when the foldable electronic device 100 is in the fourth position for a call, the mainboard controls the first microphone 51 and the third microphone 54 to record audio, the second microphone 53 collects ambient noise for noise reduction processing, the first sound output part 551 of the double-sided speaker 55 outputs audio, and the sound is output from the first sound output hole 2312 via the first sound output channel 238, and the second sound output part 552 of the double-sided speaker 55 does not work.

[0107] The above is an implementation of the embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the embodiment of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A foldable electronic device, characterized in that: The foldable electronic device comprises a first shell, a second shell, a folding device, a main board and an audio mechanism, wherein the first shell and the second shell can be folded or unfolded with each other through the folding device, and the audio mechanism comprises a first microphone, a second microphone, a third microphone, a double-sided speaker and a flexible circuit board, wherein the first microphone, the second microphone, the third microphone and the double-sided speaker are electrically connected to the main board through the flexible circuit board, the first microphone is arranged at an end of the first shell away from the folding device, the second microphone is arranged at the folding device, the third microphone and the double-sided speaker are arranged at an end of the second shell away from the folding device, and the double-sided speaker has two sound output parts; when the foldable electronic device is in an unfolded state, the first microphone is used for audio recording, one of the sound output parts of the double-sided speaker performs audio output, and the third microphone is used for collecting environmental noise; when the foldable electronic device is in a folded state, the second microphone is used for audio recording, the other sound output part of the double-sided speaker performs audio output, and the first microphone and / or the third microphone are used for collecting environmental noise.

2. The foldable electronic device according to claim 1, characterized in that: The folding device includes a folding frame, the second microphone is arranged in the folding frame, the outer surface of the folding frame is provided with a first sound pickup hole, the folding frame is provided with a sound-through groove connected to the first sound pickup hole, the flexible circuit board is provided with a second sound pickup hole opposite to the second microphone, and the second sound pickup hole is connected to the sound-through groove.

3. The foldable electronic device according to claim 2, characterized in that: The audio mechanism also includes a sealing plate, which is supported on the flexible circuit board where the second microphone is provided, and the sealing plate is provided with a first sound hole connected to the second sound pickup hole, the folding frame is provided with a accommodating groove, the accommodating groove is surrounded by the sound-passing groove, and the sound-passing groove is connected to the accommodating groove, the sealing plate is positioned in the accommodating groove, and the first sound hole is connected to the sound-passing groove.

4. The foldable electronic device according to claim 3, characterized in that: The audio mechanism also includes a reinforcement plate, which is located between the sealing plate and the flexible circuit board. The folding frame is provided with a positioning groove, which is stacked on the accommodating groove and connected to the accommodating groove. The reinforcement plate is positioned in the positioning groove, and the reinforcement plate has a second sound hole connected to the first sound hole.

5. The foldable electronic device according to claim 4, characterized in that: The folding frame is provided with a positioning opening around the positioning groove, and a positioning block is provided on the outer periphery of the reinforcing plate, and the positioning block is clamped in the positioning opening.

6. The foldable electronic device according to claim 4, characterized in that: The audio mechanism further includes a first seal, the first seal is provided with a first sound channel, the first seal is sealingly clamped between the reinforcement plate and the sealing plate, and the first sound channel communicates with the first sound hole and the second sound hole.

7. The foldable electronic device according to claim 2, characterized in that: The folding device further comprises a positioning plate, the flexible circuit board is clamped by the positioning plate and the folding frame, the positioning plate is connected to the folding frame, the positioning plate is provided with a receiving groove, and the second microphone is accommodated in the receiving groove.

8. The foldable electronic device according to claim 1, characterized in that: The second shell is provided with a first sound outlet channel on one side of the double-sided speaker, and the second shell is provided with a second sound outlet channel on the other side opposite to the double-sided speaker. The double-sided speaker includes a first sound outlet part and a second sound outlet part provided on two opposite sides thereof, the first sound outlet part is opposite to the first sound outlet channel, and the second sound outlet part is opposite to the second sound outlet channel; the mainboard can control the first sound outlet part of the double-sided speaker to output audio to the first sound outlet channel, or control the second sound outlet part of the double-sided speaker to output audio to the second sound outlet channel.

9. The foldable electronic device according to claim 8, characterized in that: The electronic device also includes a flexible screen and a decorative strip covering the flexible screen, the flexible screen is arranged on the front of the first shell and the second shell, the flexible screen and the front of the second shell form the first sound outlet channel, the decorative strip is provided with a first sound outlet hole, and the first sound outlet hole is connected to the first sound outlet channel.

10. The foldable electronic device according to claim 8, characterized in that: The audio mechanism also includes a sound guide frame, which is connected to the double-sided speaker and the second shell. The sound guide frame is provided with a sound output space and a sound output groove connected to the sound output space. The second sound output portion of the double-sided speaker is connected to the sound output space, and the sound output groove is connected to the second sound output channel of the second shell.

11. The foldable electronic device according to claim 10, characterized in that: The sound guide frame includes a positioning frame and a connecting block connected to the positioning frame, the sound output space is arranged in the positioning frame, the front side of the positioning frame is provided with a first fixed groove connected to the sound output space, the sound output groove is arranged on the side of the connecting block away from the positioning frame, and the double-sided speaker is provided with a second sound output part on one side connected to the first fixed groove.

12. The foldable electronic device according to claim 11, characterized in that: A second fixing groove connected to the sound output space is provided on the back of the positioning frame. The sound guide frame also includes a sound insulation member, which covers the second fixing groove and is fixed to the positioning frame. The sound insulation member and the double-sided speaker are located on opposite sides of the sound output space.

13. The foldable electronic device according to claim 10, characterized in that: The audio mechanism also includes a second seal, which is connected between the sound guide frame and the second shell. The second seal is provided with a second sound channel, and the second sound channel connects the sound outlet groove and the second sound outlet channel.

14. The foldable electronic device according to claim 8, characterized in that: The second shell further includes a back cover, which covers the back side of the second shell and has a sound outlet notch connected to the second sound outlet channel.

15. The foldable electronic device according to claim 1, characterized in that: It also includes a sensor electrically connected to the main board, the sensor is used to detect the current state of the foldable electronic device, the current state includes the foldable electronic device being in a folded state or an unfolded state; when the sensor detects that the foldable electronic device is in a folded state for a call, the main board controls the second microphone to record audio, and one of the sound output parts of the double-sided speaker to output audio; when the sensor detects that the foldable electronic device is in an unfolded state for a call, the main board controls the first microphone to record audio, and the other sound output part of the double-sided speaker to output audio.

16. The foldable electronic device according to claim 15, characterized in that: The sensor includes a gyroscope sensor and an acceleration sensor. When the gyroscope sensor detects that the foldable electronic device is in a folded state for a call, if the acceleration sensor detects that the foldable electronic device is in a first position state, the mainboard controls the second microphone to record audio, the first microphone and / or the third microphone collects ambient noise, and the first sound output part of the double-sided speaker outputs audio; If the acceleration sensor detects that the foldable electronic device is in the second position state, the mainboard controls the first microphone to record audio, the second microphone to collect environmental noise, and the second sound output part of the double-sided speaker to output audio.

17. A foldable electronic device, characterized in that: The foldable electronic device comprises a first shell, a second shell, a folding device, a main board and an audio mechanism, wherein the first shell and the second shell can be folded or unfolded with each other through the folding device, and the audio mechanism comprises a first microphone, a second microphone, a third microphone, a double-sided speaker and a flexible circuit board, wherein the first microphone, the second microphone, the third microphone and the double-sided speaker are electrically connected to the main board through the flexible circuit board, the first microphone is arranged in the first shell, the second microphone is arranged in the folding device, the third microphone and the double-sided speaker are provided with the second shell, and the double-sided speaker has two sound output parts; when the foldable electronic device is in a folded state, the second microphone is used for audio recording, the first microphone and / or the third microphone are used for collecting environmental noise, or the first microphone and the third microphone are used for audio recording, the second microphone is used for collecting environmental noise, and one of the sound output parts of the double-sided speaker performs audio output; when the foldable electronic device is in an unfolded state, the first microphone is used for audio recording, the other sound output part of the double-sided speaker performs audio output, and the third microphone is used for collecting environmental noise.

18. The foldable electronic device according to claim 17, characterized in that: The folding device includes a folding frame, the second microphone is arranged in the folding frame, the outer surface of the folding frame is provided with a first sound pickup hole, the folding frame is provided with a sound-through groove connected to the first sound pickup hole, the flexible circuit board is provided with a second sound pickup hole opposite to the second microphone, and the second sound pickup hole is connected to the sound-through groove.

19. A method for making a call, characterized in that: Applied to the foldable electronic device according to any one of claims 1 to 18, the calling method comprises: Determining that the foldable electronic device is in a call state; Acquire a current posture of the foldable electronic device, where the current posture includes an unfolded state or a folded state; When the foldable electronic device is in an unfolded state, the mainboard of the foldable electronic device controls the first microphone to record audio, one of the sound output parts of the double-sided speakers to output audio, and the third microphone to collect environmental noise; When the foldable electronic device is in a folded state, the mainboard of the foldable electronic device controls the second microphone to record audio, the other sound output part of the double-sided speaker to output audio, and the first microphone and / or the third microphone to collect ambient noise.

20. The communication method according to claim 19, characterized in that: When the foldable electronic device is in a folded state, the calling method further includes: When the foldable electronic device is in a call state; Determining a current position state of the foldable electronic device, wherein the position state includes a first position state and a second position state; When the foldable electronic device is in the first position, the mainboard controls the second microphone to record audio, the first microphone and / or the third microphone to collect ambient noise, and the sound output part on the back of the double-sided speaker outputs audio; When the foldable electronic device is in the second position, the mainboard controls the first microphone to record audio, the second microphone to collect environmental noise, and the sound output part on the back of the double-sided speaker outputs audio.

21. A method for making a call, characterized in that: Applied to the foldable electronic device according to any one of claims 1 to 18, the calling method comprises: Determining that the foldable electronic device is in a call state; Acquire a current posture of the foldable electronic device, where the current posture includes an unfolded state or a folded state; When the foldable electronic device is in an unfolded state, the mainboard of the foldable electronic device controls the first microphone to record audio, one of the sound output parts of the double-sided speakers to output audio, and the third microphone to collect environmental noise; When the foldable electronic device is in a folded state, the mainboard of the foldable electronic device controls the first microphone and the third microphone to record audio, the other sound output part of the double-sided speaker to output audio, and the second microphone collects ambient noise.

22. The communication method according to claim 21, characterized in that: When the foldable electronic device is in a folded state, the calling method further includes: When the foldable electronic device is in a folded state; Determining a current position state of the foldable electronic device, wherein the position state includes a third position state and a fourth position state; When the foldable electronic device is in the third position, the mainboard controls the second microphone to record audio, the first microphone and / or the third microphone to collect ambient noise, and the sound output part on the front side of the double-sided speaker outputs audio; When the foldable electronic device is in the fourth position, the mainboard controls the first microphone and the third microphone to record audio, the second microphone collects ambient noise, and the sound output part on the front side of the double-sided speaker outputs audio.

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