A hanging headphone

Abstract

The present invention provides a hanging headset, comprising: a headband, which is an annular structure; two earpieces, which are respectively connected to the lower sides of the headband through a connecting piece; a plurality of speaker units are arranged inside the earpieces, and the plurality of speaker units are respectively arranged at different positions of the earpieces, so that the plurality of speaker units form a stereo effect. When the present invention is used, the annular headband is put on the user's head, and the two earpieces are hung on the ears on both sides of the head, which is convenient to wear; compared with the existing semicircular gaming headset, when wearing, it is necessary to clamp the two sides of the semicircle on both sides of the head, and clamp the two earpieces on the two ears, which has the defect of being uncomfortable to use when worn for a long time, the present invention puts the annular headband on the head and has the advantage of being comfortable to wear.

Description

Technical Field

[0001] The present invention relates to the technical field of earphones, and in particular to a hanging earphone. Background Art

[0002] With the progress of social civilization, people's entertainment and leisure methods tend to be diversified. Electronic games are a favorite way for modern young people, and gaming headsets are particularly common in people's lives. Existing gaming headsets, such as common semicircular gaming headsets, need to be clamped on both sides of the semicircle on the sides of the head and the two earpieces are clamped on the two ears when worn for a long time, which has the disadvantage of being uncomfortable to use. Summary of the invention

[0003] The invention provides a hanging headset, which is used to solve the defect that the existing semicircular gaming headset needs to be worn with two sides of the semicircle clamped on two sides of the head and two earpieces clamped on two ears, which makes it uncomfortable to wear for a long time.

[0004] A hanging earphone, comprising:

[0005] A headband, wherein the headband is a ring-shaped structure;

[0006] Two earphones, the two earphones are respectively connected to the lower sides of the headband on opposite sides through connecting pieces;

[0007] A plurality of speaker units are arranged inside the earpiece, and the plurality of speaker units are arranged at different positions of the earpiece respectively, so that the plurality of speaker units form a stereo effect.

[0008] Preferably, the annular structure is a closed annular structure matching the shape of the head or an annular structure with an opening.

[0009] Preferably, the shape of the handset is any one of a cross, a triangle, a ring, a circle, and a rectangle;

[0010] When the receiver is in a cross shape, a plurality of speaker units are arranged at intervals inside the transverse section and the longitudinal section of the cross.

[0011] Preferably, it also includes:

[0012] A microcontroller, wherein the microcontroller is disposed in the headband;

[0013] A battery, the battery is arranged in the headband, and the microcontroller is electrically connected to the battery;

[0014] The microcontroller is electrically connected to each speaker unit of the two earpieces through a first data line, and the first data line is located inside the headband;

[0015] A second data line, one end of which is electrically connected to the microcontroller, and the other end of which is connected to an earphone plug and is located outside the headband;

[0016] A control panel is arranged on the outside of the headband and is electrically connected to the microcontroller.

[0017] Preferably, the connecting member comprises:

[0018] A fixing block, one side of which is fixedly connected to one side of the headband;

[0019] A support rod, the upper end of which is fixedly connected to the lower end of the fixing block, and the lower end of which is provided with a mounting groove;

[0020] A first rotating shaft is horizontally arranged in the mounting groove along the front-to-back direction, the first rotating shaft is rotatably connected to the front and rear side walls of the mounting groove, and one end of the first rotating shaft passes through the outside of the mounting groove;

[0021] A second rotating shaft is arranged in the mounting groove, wherein the second rotating shaft is arranged parallel to the first rotating shaft and is located below the first rotating shaft;

[0022] A first gear and a second gear, wherein the first gear and the second gear are both arranged in a mounting groove, the first gear is fixedly sleeved on an outer wall of the first rotating shaft, the second gear is fixedly sleeved on an outer wall of the second rotating shaft, and the first gear is meshed with the second gear for transmission;

[0023] A first rotating handle, the first rotating handle is arranged at one end of the first rotating shaft outside the mounting groove;

[0024] An L-shaped connecting bracket, wherein the vertical end of the L-shaped connecting bracket is fixedly connected to the second rotating shaft, and the horizontal end of the L-shaped connecting bracket is fixedly connected to the earpiece.

[0025] Preferably, the support rod comprises:

[0026] An outer rod, wherein a mounting hole is provided at the lower end of the outer rod, the mounting hole is arranged along the length direction of the outer rod, and the upper and middle inner walls of the mounting hole are provided with internal threads;

[0027] An inner rod, the inner rod is installed in the installation hole, and the outer wall of the upper part and the middle part of the inner rod is provided with an outer thread matching with a section of the inner thread;

[0028] A first spring, one end of which is fixedly connected to the top of the inner wall of the mounting hole, the other end of which is fixedly connected to the top of the inner rod, and the mounting groove is arranged at an end of the inner rod away from the first spring;

[0029] A horizontal rod is rotatably connected to the inner rod, one end of the horizontal rod is located inside the inner rod, and the other end of the horizontal rod passes through the inner rod and one side of the outer rod in sequence, and the horizontal rod is located at the lower part of the inner rod, and the first data line is wound around the horizontal rod;

[0030] A connecting plate, the connecting plate is fixedly connected to one end of the horizontal rod located on the inner side of the inner rod; a connecting groove, the connecting groove passes through the outer wall of one side of the outer rod, the connecting groove extends in the vertical direction at the lower part of the outer rod, and the connecting groove is used for the end of the horizontal rod where the second rotating handle is set to move up and down;

[0031] A second rotating handle is fixedly connected to one end of the horizontal rod located outside the inner rod.

[0032] Preferably, the support rod comprises:

[0033] A plurality of first clamping grooves, wherein the plurality of first clamping grooves are arranged on an outer wall of one side of the mounting groove close to the first rotating handle and are evenly spaced along the circumference of the first rotating handle;

[0034] A clamping rod is connected to the first rotating handle, and one end of the clamping rod close to the mounting groove is clamped and matched with the first clamping groove to limit the rotation of the first rotating handle.

[0035] Preferably, the first rotating handle is provided with a threaded hole penetrating the first rotating handle in a horizontal direction, and an outer wall of the clamping rod is provided with an external thread, and the external thread of the clamping rod cooperates with the threaded hole.

[0036] Preferably, the microcontroller is connected to an external power source via a charging circuit;

[0037] The charging circuit comprises:

[0038] A first capacitor, wherein two ends of the first capacitor are respectively connected to two ends of the power plug, and one end of the first capacitor is grounded;

[0039] A first Zener diode, wherein the anode of the first Zener diode is connected to the other end of the first capacitor;

[0040] An integrated chip, wherein the third end of the integrated chip is connected to the cathode of the first Zener diode, the first end of the integrated chip is grounded, the second end of the integrated chip is connected to the microcontroller, and the second end of the integrated chip is connected to the fourth end;

[0041] A first electrolytic capacitor, wherein a positive electrode of the first electrolytic capacitor is connected to the third terminal of the integrated chip, and a negative electrode of the first electrolytic capacitor is grounded;

[0042] A second electrolytic capacitor, wherein a positive electrode of the second electrolytic capacitor is connected to the second end of the integrated chip, and a negative electrode of the second electrolytic capacitor is grounded;

[0043] a third resistor, one end of the third resistor being connected to the second end of the integrated chip;

[0044] An operational amplifier, an inverting input terminal of which is connected to the other end of the third resistor;

[0045] a fourth resistor, one end of which is connected to the non-inverting input terminal of the operational amplifier;

[0046] A second resistor, one end of which is connected to the inverting input terminal of the operational amplifier, and the other end of which is connected to the output terminal of the operational amplifier;

[0047] a second Zener diode, a cathode of which is connected to the other end of the fourth resistor, and a cathode of which is grounded;

[0048] a fifth resistor, wherein a first end of the fifth resistor is connected to the cathode of the second Zener diode, and a second end of the fifth resistor is connected to the output end of the operational amplifier;

[0049] A first resistor, one end of which is connected to the positive electrode of the voltage source of the operational amplifier, and the negative electrode of the voltage source of the operational amplifier is grounded;

[0050] a third Zener diode, a cathode of which is connected to the second end of the fifth resistor, and a cathode of which is grounded;

[0051] An optocoupler isolator, wherein the first end of the optocoupler isolator is connected to the other end of the first resistor, the second end of the optocoupler isolator is connected to the anode of the second Zener diode, the third end of the optocoupler isolator is connected to the fourth end, and the third end of the optocoupler isolator is connected to a microcontroller.

[0052] Preferably, it also includes:

[0053] A first volume detection device, disposed on the outer side wall of the headband, for detecting volume information of the external environment of the headband;

[0054] A second volume detection device, arranged at the sound output end of the handset, for detecting output volume information of the speaker unit;

[0055] A human infrared sensor is arranged on the side wall of the earpiece close to the ear, and the human infrared sensor is electrically connected to the microcontroller. When the human infrared sensor detects that no one is wearing the earphone, the microcontroller controls the speaker unit to stop playing;

[0056] The first volume detection device and the second volume detection device are electrically connected to the microcontroller respectively. When the human infrared sensor detects that someone is wearing the earphone, the microcontroller automatically adjusts the output volume of the speaker unit according to the volume information detected by the first volume detection device and the second volume detection device.

[0057] Preferably, the headband comprises:

[0058] A left arc-shaped shell and a right arc-shaped shell, wherein one end of the left arc-shaped shell and one end of the right arc-shaped shell are hinged via a connecting shaft;

[0059] A first connecting block, the first connecting block is fixedly connected to the outer side wall of the other end of the left arc-shaped shell;

[0060] A second connecting block, the second connecting block is fixedly connected to the outer side wall of the other end of the right arc-shaped shell;

[0061] The first connecting block and the second connecting block are both provided with a U-shaped mounting groove on one side away from the center of the arc, and the U-shaped mounting groove is vertically arranged;

[0062] A connecting bar, wherein the connecting bar is horizontally arranged in the two U-shaped mounting grooves, and one end of the connecting bar is rotatably riveted to the upper end of the U-shaped mounting groove on the second connecting block;

[0063] A plurality of second card slots, the plurality of second card slots being evenly spaced and arranged at an upper end of the connecting strip along a length direction of the connecting strip;

[0064] A clamping block, the clamping block is arranged on the inner wall of the upper end of the U-shaped mounting groove on the first connecting block, and the clamping block is engaged with the second clamping groove;

[0065] The outer walls on the inner sides of the left arc-shaped shell and the right arc-shaped shell are provided with an elastic layer, a waterproof layer and an insulating layer in sequence from the outside to the inside.

[0066] Preferably, the microcontroller automatically adjusts the output volume of the speaker unit according to the volume information detected by the first volume detection device and the second volume detection device, and further includes the following steps:

[0067] Step A1, obtaining output volume information of the speaker unit, and performing noise reduction processing on the output volume information, wherein the noise reduction processing method includes: a short-time spectrum estimation method, an auditory masking method, and a noise reduction method based on a directional microphone;

[0068] Step A2, determining the information-to-noise ratio of the output volume information;

[0069]

[0070] Wherein, Rate is the information noise ratio, K is the total number of frames of the output volume information, Orj is the output volume size of the j-th frame of the output volume information, Dej is the output volume size of the j-th frame of the output volume information after the noise reduction process, j=i, i+1, i+2, ... K, i=1, 2, 3 ... K-1;

[0071] Step A3, obtaining volume information of the external environment, and determining a distance value of the volume information of the external environment;

[0072]

[0073] Wherein, l is the distance value of the volume information of the external environment, M is the distance between the ear and the first volume detection device, b is the expansion angle of the volume information of the external environment, L is the height of a person, H is the amplitude of the noise, and F is the volume of the external environment;

[0074] Step A4, determining the ideal output volume of the speaker unit;

[0075]

[0076] Wherein, M is the ideal output volume, and Fb is the preset standard volume;

[0077] Step A5: the microcontroller controls the output volume of the speaker unit to be the ideal output volume in real time.

[0078] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description, claims, and drawings.

[0079] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0080] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0081] Figure 1 It is a schematic diagram of the structure of the present invention.

[0082] Figure 2 It is a schematic diagram of the structure of the speaker unit inside the earpiece of the present invention.

[0083] Figure 3 This is a schematic structural diagram of a first embodiment of a headband of the present invention.

[0084] Figure 4 It is a structural schematic diagram of an embodiment of a connecting piece of the present invention.

[0085] Figure 5 for Figure 4 Left view of .

[0086] Figure 6 It is a schematic structural diagram of an embodiment of a support rod of the present invention.

[0087] Figure 7 1 is a schematic structural diagram of a second embodiment of a headband of the present invention.

[0088] Figure 8 1 is a schematic structural diagram of a third embodiment of a headband of the present invention.

[0089] Fig. 9 1 is a circuit diagram of a power supply circuit of the present invention.

[0090] Fig.10 It is a schematic diagram of the structural decomposition of the connection between the magnetic component and the switch of the present invention.

[0091] Fig.11 for Fig.10 Schematic diagram of the overall structure of the switch.

[0092] Fig.12 for Fig.10 A partial schematic diagram of the switch in the figure.

[0093] In the figure: 1, headband; 11, left arc-shaped shell; 12, right arc-shaped shell; 13, first connecting block; 14, second connecting block; 15, U-shaped mounting groove; 16, connecting strip; 17, second clamping groove; 18, connecting shaft; 181, second spring; 19, opening; 2, earpiece; 21, speaker unit; 3, connecting piece; 31, fixing block; 32, support rod; 321, outer rod; 322, inner rod; 323, first spring; 324, horizontal rod; 325, connecting plate; 326, second rotating handle; 327, mounting groove; 33, first rotating shaft; 34, second rotating shaft; 35, first gear; 36, second gear; 37, first rotating handle; 38, L-shaped connecting bracket; 39, clamping rod; 4, first data line; R1, first resistor; R2, second resistor ; R3, the third resistor; R4, the fourth resistor; R5, the fifth resistor; 5, the optocoupler isolator; D1, the first Zener diode; D2, the second Zener diode; D3, the third Zener diode; C1, the first capacitor; C2, the first electrolytic capacitor; C3, the second electrolytic capacitor; 6, the operational amplifier; 7, the integrated chip; 8, the external power supply; 9, the magnetic connecting wire; 91, the magnetic suction component; 911, the first shell; 912, the first magnet; 913, the mounting plate; 914, the first conductor; 10, the battery; 20, the wireless controller; 201, the battery connecting wire; 30, the switch; 301, the second shell; 302, the connecting iron sheet; 303, the spring contact sheet; 304 the sheet conductor; 305, the first connecting wire; 306, the second magnet; 40, the speaker connecting wire. DETAILED DESCRIPTION

[0094] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0095] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0096] An embodiment of the present invention provides a hanging earphone, such as Figure 1-2 As shown, including:

[0097] A headband 1, wherein the headband 1 is a ring-shaped structure;

[0098] Two earphones 2, the two earphones 2 are respectively connected to the lower sides of the headband 1 on opposite sides through a connecting piece 3;

[0099] A plurality of speaker units 21 are disposed inside the earpiece 2 , and the plurality of speaker units 21 are disposed at different positions of the earpiece 2 , so that the plurality of speaker units 21 form a stereo effect.

[0100] Preferably, the connecting member 3 can be made of a soft and arbitrarily bendable material, such as a flexible metal rod that can be bent arbitrarily, such as a flexible aluminum rod or a flexible copper rod; or the connecting member 3 includes a bracket, the end of the bracket is rotatably connected to the outer side of the headband (can be threaded or rotatably connected through a bearing), and can rotate 360 ​​degrees, and the bracket arm is a universal hose, the internal aluminum alloy strong elastic first spring of the universal hose is wrapped with high-quality soft rubber on the outside, which provides strong support and can be twisted at any angle; the above technical solution makes it easy to understand how to adjust the bending angle of the component, so as to meet the usage needs of different users.

[0101] Preferably, the shape of the earpiece 2 is any one of a cross, triangle, donut, circle, and rectangle, and the corresponding speaker units can be arranged in different positions (at various angles) inside the cross, triangle, donut, circle, and rectangle; the shape of the earpiece can also be other shapes besides the above shapes.

[0102] like Figure 2As shown, when the receiver 2 is in a cross shape, a plurality of speaker units 21 are arranged at intervals inside the transverse section and the longitudinal section of the cross. The arrangement of two rows of speaker units has the advantage of good stereo sound effect.

[0103] The working principle of the above technical solution is as follows: when the present invention is used, the annular headband 1 is put on the user's head, and the two earpieces 2 are hung on the ears on both sides of the head, which is convenient to wear; compared with the existing semicircular gaming headset, when wearing, it is necessary to clamp the two sides of the semicircle on both sides of the head, and clamp the two earpieces 2 on the two ears, which is uncomfortable to wear for a long time, the present invention puts the annular headband 1 on the head and has the advantage of comfortable wearing (use);

[0104] Furthermore, a plurality of speaker units 21 are arranged inside the earpiece 2. The plurality of speaker units 21 are arranged at different positions of the earpiece 2, so that the plurality of speaker units 21 form a stereo effect, and the present invention has a stereo sound effect.

[0105] The beneficial effects of the above technical solution are as follows: the present invention puts the annular headband 1 on the head for wearing, which has the advantage of being comfortable to wear, and the above arrangement of the plurality of speaker units 21 enables the present invention to have a stereoscopic sound effect.

[0106] In one embodiment, the annular structure is a closed annular structure that matches the shape of the head (e.g. Figure 1 ) or a ring structure with an opening 19 (such as Figure 3 As shown, the size of the opening 19 can be set as needed to avoid the opening being too large so that the headband is easy to fall off the head).

[0107] The working principle and beneficial effects of the above technical solution are as follows: the annular structure is a closed annular structure or an annular structure with an opening that matches the shape of the head, thereby facilitating the headband 1 to be worn on the head.

[0108] In one embodiment, it further includes:

[0109] A microcontroller, wherein the microcontroller is disposed in the headband 1;

[0110] A battery, the battery is arranged in the headband 1, and the microcontroller is electrically connected to the battery;

[0111] The microcontroller is electrically connected to each speaker unit 21 of the two earpieces 2 through a first data line 4, and the first data line 4 is located inside the headband 1;

[0112] A second data line, one end of which is electrically connected to the microcontroller, and the other end of which is connected to an earphone plug and is located outside the headband 1; the earphone plug is used to connect to the earphone jack of a computer;

[0113] A control panel is provided on the outside of the headband 1 and is electrically connected to the microcontroller. The control panel is provided with control buttons, such as the speaker unit 21 control button, which can control the corresponding speaker unit 21 to start or stop working.

[0114] The working principle and beneficial effects of the above technical solution are as follows: the microcontroller is electrically connected to each speaker unit 21 of the two earpieces 2 through the first data line 4, and the microcontroller is connected to a control panel, and can operate the corresponding speaker unit 21 on the control panel to control the operation of the speaker unit 21, so that the user can control the operation of the speaker unit 21 as needed.

[0115] Preferably, the headset of the present invention can be a wireless headset or a wired headset, and the wired or wireless mode can be selected according to the needs. Since there may be interference and delay in wireless mode, you can listen to songs and watch movies when using wireless mode, and you can plug in the headset cable when playing games:

[0116] When the headset can be a wireless headset or a wired headset, in a first embodiment: based on the previous embodiment, the headset of the present invention includes:

[0117] The microcontroller includes a wireless transmission circuit and a wireless / wired switching module, wherein the wireless transmission circuit is used to receive an audio signal from the outside to drive the speaker unit to make a sound; the wireless transmission circuit includes: a wireless signal transceiver circuit, used to convert an external electromagnetic wave signal into an electrical signal; and an audio processing circuit, used to decode and amplify the electrical signal, and output an analog audio signal to the speaker unit to drive the speaker unit to make a sound, and the wireless signal transceiver circuit includes a 2.4Ghz wireless transceiver circuit;

[0118] The headband is provided with a second data line socket, which is electrically connected to the microcontroller. When the second data line is not inserted into the second data line socket, the wireless / wired switching module controls the wireless transmission circuit to work; when the second data line is inserted into the second data line socket, the wireless / wired switching module controls the wireless transmission circuit to stop working and receive data from a terminal device (such as a mobile phone or a computer) to realize wired operation of the headset. Preferably, a wireless control button can also be provided on the headband to control the operation or stop of the wireless transmission circuit.

[0119] In the second embodiment, the headband 1 is installed with a battery 10, a wireless controller 20, and a switch 30. The wireless controller is electrically connected to the battery and the speaker unit respectively (the wireless controller is electrically connected to each speaker unit 21 of the two earpieces 2 through a first data line 4, and the first data line 4 is located inside the headband 1). It also includes a magnetic connection line 9, one end of the magnetic connection line 9 is provided with a plug (which can be an existing headphone plug), and the other end is provided with a magnetic attraction component 91; preferably, the wireless controller includes: a wireless signal transceiver circuit for converting external electromagnetic wave signals into electrical signals; and an audio processing circuit for decoding and amplifying the electrical signals, and outputting analog audio signals to the speaker unit to drive the speaker unit to sound, the wireless signal transceiver circuit includes a 2.4Ghz wireless transceiver circuit, and the wireless controller is also provided with the above-mentioned speaker unit 21 control button;

[0120] like Figure 10-12 As shown, the magnetic attraction assembly includes: a first shell 911 with an opening at the upper end, a first magnet 912 is installed in the first shell 911, the first magnet 912 is fixedly connected to a mounting plate 913, the mounting plate 913 can be fixed with the first shell 911 through the opening of the first shell 911, a first conductor 914 is arranged at the upper end of the mounting plate 913, and the first conductor is connected to an end of the magnetic connection line 9 away from the plug;

[0121] The switch 30 includes: a second housing 301 with openings at both ends, a connecting iron sheet 302 is arranged at the top of the second housing 301, a spring contact sheet 303 is arranged at the lower end of the connecting iron sheet 302, a battery connecting wire is connected to the upper end of the connecting iron sheet 302 (preferably, the battery connecting wire runs through the lower end of the connecting iron sheet), a second magnet 306 is arranged in the second housing 301, a sheet-like conductor 304 is arranged at the bottom end of the second housing 301, the sheet-like conductor 304 and the spring contact sheet 303 are both connected to the first connecting wire 40, and the first connecting wire 40 is connected to the speaker connecting wire. The lower end of the sheet-like conductor is located on the outer surface of the headband, which is convenient for connecting the magnetic suction component 91.

[0122] When the magnetic attraction component 91 is away from the switch 30, the second magnet 306 will move upward and be attracted to the connecting iron sheet 302 under the action of the connecting iron sheet 302, and fit with the connecting iron sheet 302. When the second magnet and the connecting iron sheet 302 are attracted to each other, the spring contact 303 arranged on the lower end surface of the connecting iron sheet 302 is compressed to contact the battery connecting wire, and connect the circuit of the battery connecting wire and the speaker unit. At this time, the battery supplies power to the wireless controller 20 and the speaker, forming a wireless headset.

[0123] When the magnetic component 91 approaches the switch 30, the first magnet 912 in the magnetic component 91 will attract the second magnet 302 in the switch 30 to the bottom end of the second shell 301, and the spring contact 303 arranged on the lower end surface of the connecting iron sheet 302 will pop open, disconnecting the circuit of the battery connecting wire, and the magnetic component 91 and the switch 30 will be attracted and fixed to each other, and the first conductor 914 in the mounting plate 913 will contact the sheet conductor of the switch 30, and the circuit of the first connecting wire and the speaker connecting wire will be connected, and the earphones can be used as wired earphones.

[0124] In one embodiment, Figure 4-5 As shown, the connecting member 3 includes:

[0125] A fixing block 31, one side of the fixing block 31 is connected to one side of the headband 1 (preferably, the outer side of the headband 1), which can be as shown in FIG. Figure 4 As shown, the left side of the fixing block 31 is connected to the headband) and is fixedly connected;

[0126] A support rod 32, the upper end of the support rod 32 is fixedly connected to the lower end of the fixing block 31, and the lower end of the support rod 32 is provided with a mounting groove 327;

[0127] The first rotating shaft 33 is horizontally arranged in the mounting groove 327 along the front-to-back direction. The first rotating shaft 33 is rotatably connected with the front and rear side walls of the mounting groove (specifically, the side wall of the mounting groove is provided with a mounting hole, a rotating bearing is provided in the mounting hole, the outer ring of the rotating bearing is fixedly connected with the inner wall of the mounting hole, and the inner ring of the rotating bearing is fixedly sleeved on the outer wall of the first rotating shaft), and one end of the first rotating shaft 33 passes through the outside of the mounting groove 327;

[0128] A second rotating shaft 34 is disposed in the mounting groove 327 , wherein the second rotating shaft 34 is disposed parallel to the first rotating shaft 33 and is located below the first rotating shaft 33 ;

[0129] A first gear 35 and a second gear 36, wherein the first gear 35 and the second gear 36 are both arranged in the mounting groove 327, the first gear 35 is fixedly sleeved on the outer wall of the first rotating shaft 33, and the second gear 36 is fixedly sleeved on the outer wall of the second rotating shaft 34, and the first gear 35 and the second gear 36 are meshed for transmission;

[0130] A first rotating handle 37, wherein the first rotating handle 37 is disposed at one end of the first rotating shaft 33 outside the mounting groove 327;

[0131] An L-shaped connecting bracket 38, the vertical end of which is fixedly connected to the second rotating shaft 34 (preferably, one end of the second rotating shaft 34 passes through the outer wall of the mounting groove 327, and the vertical end of the L-shaped connecting bracket 38 is fixedly connected to one end of the second rotating shaft 34, or as Figure 4 The outer wall of the second rotating shaft 34 is connected to the mounting groove 327 as shown), and the horizontal end of the L-shaped connecting bracket 38 is fixedly connected to the handset 2. Preferably, the first data line passes through the fixed block support rod and the mounting groove in sequence (the first data line in the mounting groove is arranged to avoid the first rotating shaft and the second rotating shaft to avoid entanglement) and then is connected to the corresponding handset.

[0132] The working principle and beneficial effects of the above technical solution are as follows: when it is necessary to adjust the angle of the L-shaped connecting bracket 38, the user rotates the first rotating handle 37 to rotate the first rotating shaft 33, and drives the second rotating shaft 34 to rotate through the first gear 35 and the second gear 36, so that the L-shaped connecting bracket 38 connected to the second rotating shaft 34 rotates, thereby adjusting the angle of the L-shaped connecting bracket 38, so that the earpiece 2 connected to the L-shaped connecting bracket 38 is at different angles, which is convenient for the user to adjust the angle of the earpiece 2 as needed so that the earpiece 2 fits the ear, and the above structure is easy to adjust.

[0133] In one embodiment, Figure 6 As shown, the support rod 32 includes:

[0134] An outer rod 321, wherein a mounting hole is provided at the lower end of the outer rod 321, the mounting hole is arranged along the length direction of the outer rod 321, and the upper and middle inner walls of the mounting hole are provided with internal threads;

[0135] The inner rod 322 is installed in the installation hole, and the upper and middle outer walls of the inner rod 322 are provided with external threads that cooperate with a section of the internal threads; preferably, the inner rod 322 is composed of a front half rod and a rear half rod that are detachably connected to form a hollow cylinder with closed ends (preferably, the front half rod and the rear half rod are snap-connected, such as the connection surface of the front half rod used to connect with the rear half rod is provided with a block, and the connection surface of the rear half rod used to connect with the front half rod is provided with a groove that cooperates with the block), which is convenient for disassembling the inner rod installation and replacing and adjusting related components.

[0136] A first spring 323, one end of the first spring 323 is fixedly connected to the top of the inner wall of the mounting hole, the other end of the first spring 323 is fixedly connected to the top of the inner rod 322, and the mounting groove 327 is provided at one end of the inner rod 322 away from the first spring 323;

[0137] The horizontal rod 324 is rotatably connected to the front half rod or the rear half rod, one end of the horizontal rod 324 is located inside the front half rod or the rear half rod, and the other end sequentially passes through the front half rod or the rear half rod and one side of the outer rod (that is, the horizontal rod 324 is rotatably connected to the front half rod, one end of the horizontal rod 324 is located inside the front half rod, and the other end sequentially passes through the front half rod and one side of the outer rod; or the horizontal rod 324 is rotatably connected to the rear half rod, one end of the horizontal rod 324 is located inside the rear half rod, and the other end is located outside the rear half rod), and the horizontal rod 324 is located at the lower part of the inner rod 322, and the first data line 4 is wound around the horizontal rod 324;

[0138] The connecting plate 325 is fixedly connected to one end of the horizontal rod 324 located on the inner side of the front half rod; the connecting plate is provided to prevent the first data line from being separated from one end of the horizontal rod.

[0139] A connecting groove, which passes through the outer wall of one side of the outer rod 321, and extends in the vertical direction at the lower part of the outer rod 321, and is used for one end of the horizontal rod 324 provided with the second rotating handle 326 to move up and down;

[0140] A second rotating handle 326 is fixedly connected to one end of the horizontal rod located outside the inner rod.

[0141] The working principle and beneficial effects of the above technical solution are as follows: in the above technical solution, the outer rod 321 is threadedly connected with the inner rod 322, which is convenient for adjusting the length of the inner rod 322 extending out of the outer rod 321; and a first spring 323 is provided to prevent the inner rod 322 from sliding off the outer rod 321; the above-mentioned horizontal rod 324 and the connecting plate 325 are provided, and the first data line 4 can be wound between the horizontal rod 324 and the first connecting plate 325. When the length of the data line needs to be adjusted, the second rotating handle 326 is rotated to adjust the length of the first data line 4. The above technical solution collects and winds the first data line 4 to prevent the first data line 4 from being messy and affecting the operation of other components; if it is necessary to extend the length of the inner rod 322 extending out of the outer rod 321, the second rotating handle 326 is rotated to increase the length of the first data line 4 at the upper end of the first horizontal rod 324, and then the inner rod 322 is rotated to avoid affecting the rotation of the inner rod 322, which is convenient to use.

[0142] In one embodiment, the support rod 32 comprises:

[0143] A plurality of first card slots, which are arranged on an outer wall of the mounting groove 327 close to the first rotating handle 37 and are evenly spaced along the circumference of the first rotating handle 37;

[0144] The clamping rod 39 is connected to the first rotating handle 37 , and one end of the clamping rod 39 close to the mounting groove 327 is clamped and matched with the first clamping groove to limit the rotation of the first rotating handle 37 .

[0145] The working principle and beneficial effects of the above technical solution are as follows: a plurality of first clamping grooves are arranged on the outer wall of one side of the installation groove 327 close to the first rotating handle 37, and are evenly spaced along the circumference of the first rotating handle 37; a clamping rod 39 is connected to the first rotating handle 37; when the first rotating handle 37 needs to be fixed to prevent reversal, the clamping rod 39 is clamped into the clamping groove to limit the rotation of the first rotating handle 37; the above technical solution has a plurality of first clamping grooves evenly spaced along the outer wall of one side of the installation groove 327 close to the first rotating handle 37, so as to facilitate fixing the first rotating handle 37 at different positions.

[0146] In one embodiment, the first rotating handle 37 is provided with a threaded hole penetrating the first rotating handle 37 along the horizontal direction, and the outer wall of the clamping rod 39 is provided with an external thread, and the external thread of the clamping rod 39 cooperates with the threaded hole.

[0147] The working principle and beneficial effects of the above technical solution are as follows: when in use, the clamping rod 39 is threadedly connected to the corresponding threaded hole of the first rotating handle 37. When the rotation of the first rotating handle 37 needs to be restricted, the user rotates the clamping rod 39 so that the end of the clamping rod 39 close to the installation groove 327 is clamped into the first clamping groove; when the rotation of the first rotating handle 37 does not need to be restricted, the clamping rod 39 is separated from the first clamping groove, and the clamping rod 39 is rotated so that the end of the clamping rod 39 close to the installation groove 327 moves toward the end away from the installation groove 327, thereby facilitating the rotation of the rotating handle. The above technical solution facilitates the rotation of the rotating handle and the rotation of the rotating handle.

[0148] In one embodiment, if Fig. 9 As shown, the microcontroller is connected to an external power source through a charging circuit;

[0149] The charging circuit comprises:

[0150] A first capacitor C1, wherein two ends of the first capacitor C1 are respectively connected to two ends of a power plug 8, and one end of the first capacitor C1 is grounded; the power plug 8 is used to connect an external power source for charging;

[0151] A first Zener diode D1, wherein the anode of the first Zener diode D1 is connected to the other end of the first capacitor C1;

[0152] An integrated chip 7, wherein a third end of the integrated chip 7 is connected to the cathode of the first Zener diode D1, a first end of the integrated chip 7 is grounded, a second end of the integrated chip 7 is connected to the microcontroller, and a second end of the integrated chip 7 is connected to a fourth end;

[0153] A first electrolytic capacitor C2, wherein the positive electrode of the first electrolytic capacitor C2 is connected to the third end of the integrated chip 7, and the negative electrode of the first electrolytic capacitor C2 is grounded;

[0154] A second electrolytic capacitor C3, wherein the positive electrode of the second electrolytic capacitor C3 is connected to the second end of the integrated chip 7, and the negative electrode of the second electrolytic capacitor C3 is grounded;

[0155] A third resistor R3, one end of the third resistor R3 is connected to the second end of the integrated chip 7;

[0156] An operational amplifier 6, an inverting input terminal connected to the other end of the third resistor R3;

[0157] A fourth resistor R4, one end of which is connected to the non-inverting input terminal of the operational amplifier 6;

[0158] A second resistor R2, one end of which is connected to the inverting input terminal of the operational amplifier 6, and the other end of which is connected to the output terminal of the operational amplifier 6;

[0159] A second Zener diode D2, a cathode of which is connected to the other end of the fourth resistor R4, and a cathode of which is grounded;

[0160] a fifth resistor R5, wherein a first end of the fifth resistor R5 is connected to the cathode of the second Zener diode D2, and a second end of the fifth resistor R5 is connected to the output end of the operational amplifier 6;

[0161] A first resistor R1, one end of which is connected to the positive electrode of the voltage source of the operational amplifier 6, and the negative electrode of the voltage source of the operational amplifier 6 is grounded;

[0162] a third Zener diode D3, a cathode of which is connected to the second end of the fifth resistor R5, and a cathode of which is grounded;

[0163] The optocoupler isolator 5 has a first end connected to the other end of the first resistor R1, a second end connected to the positive electrode of the second Zener diode D2, a third end and a fourth end connected, and a third end connected to the microcontroller.

[0164] The working principle and beneficial effects of the above technical solution are as follows: the above power supply circuit is convenient for connecting to an external power supply, and the power supply circuit is provided with an integrated chip 7 with a voltage stabilization function, the above first capacitor C1, the first Zener diode D1, the first electrolytic capacitor C2, and the second electrolytic capacitor C3, so that the power supply circuit has a good voltage stabilization function and can ensure the operation of the microcontroller, thereby facilitating the use of the present invention.

[0165] The above-mentioned optocoupler isolator 5, operational amplifier 6, fifth resistor R5 and second Zener diode D2 constitute a reference circuit. When the voltage output by the power supply circuit is higher than the voltage of the reference circuit, the first end of the operational amplifier 6 outputs a low level, so that the third and fourth ends of the optocoupler isolator 5 are connected, and a signal is output to the first controller. The first controller controls the power supply circuit to cut off and starts the overvoltage protection function, thereby ensuring the operation of the microcontroller, thereby facilitating the use of the present invention.

[0166] In one embodiment, Figure 7 As shown, the headband 1 comprises:

[0167] The left arc-shaped shell 11 and the right arc-shaped shell 12 are hinged at one end of the left arc-shaped shell 11 and at one end of the right arc-shaped shell 12 through a connecting shaft 18; preferably, a second spring 181 is sleeved on the connecting shaft 18, and one end of the second spring 181 is connected to the outer wall of the left arc-shaped shell 11, and the other end is connected to the outer wall of the right arc-shaped shell 12. The structure is simple, easy to use, and convenient to wear the headband.

[0168] In one embodiment, Figure 8 As shown, the headband 1 comprises:

[0169] A left arc-shaped shell 11 and a right arc-shaped shell 12, wherein one end of the left arc-shaped shell 11 and one end of the right arc-shaped shell 12 are hingedly connected via a connecting shaft 18;

[0170] A first connecting block 13, wherein the first connecting block 13 is fixedly connected to the outer side wall of the other end of the left arc-shaped housing 11;

[0171] A second connecting block 14, wherein the second connecting block 14 is fixedly connected to the outer side wall of the other end of the right arc-shaped housing 12;

[0172] The first connecting block 13 and the second connecting block 14 are both provided with a U-shaped mounting groove 15 on one side away from the center of the arc, and the U-shaped mounting groove 15 is vertically arranged;

[0173] A connecting bar 16, wherein the connecting bar 16 is horizontally arranged in the two U-shaped mounting grooves 15, and one end of the connecting bar 16 is rotatably riveted to the upper end of the U-shaped mounting groove 15 on the second connecting block 14;

[0174] A plurality of second card slots 17, wherein the plurality of second card slots 17 are evenly spaced and arranged at the upper end of the connecting strip 16 along the length direction of the connecting strip 16;

[0175] A clamping block, which is arranged on the inner wall of the upper end of the U-shaped mounting groove 15 on the first connecting block 13, and is engaged with the second clamping groove 17;

[0176] The outer walls of the inner side of the left arc-shaped shell 11 and the right arc-shaped shell 12 are provided with an elastic layer, a waterproof layer and an insulating layer in sequence from the outside to the inside. Preferably, the elastic layer is a rubber layer with the advantage of good elasticity, the waterproof layer is made of epoxy resin material, and the insulating layer is a silicone resin layer.

[0177] The working principle and beneficial effects of the above technical scheme are as follows: when in use, the user can put the left arc-shaped shell 11 and the right arc-shaped shell 12 on the head, rotate the left arc-shaped shell 11 and the right arc-shaped shell 12 to adjust the angle between one end of the left arc-shaped shell 11 and one end of the right arc-shaped shell 12, and then the user rotates the other end of the connecting strip 16 into the U-shaped mounting groove 15 of the first connecting block 13, and clamps the card block into the corresponding second card groove 17 to fix the length of the headband 1. The above technical scheme facilitates the adjustment of the length of the headband 1 and is convenient for users with different head sizes to wear.

[0178] The inner outer walls of the left arc-shaped shell 11 and the right arc-shaped shell 12 are provided with an elastic layer, a waterproof layer and an insulating layer in sequence from the outside to the inside. The elastic layer makes the user comfortable wearing the headband 1, the waterproof layer can prevent water from entering the shell, and the insulating layer has the advantage of insulation.

[0179] In one embodiment, it further includes:

[0180] A first volume detection device, disposed on the outer side wall of the headband, for detecting volume information of the external environment of the headband;

[0181] A second volume detection device, arranged at the sound output end of the handset, for detecting output volume information of the speaker unit;

[0182] A human infrared sensor is arranged on the side wall of the earpiece close to the ear, and the human infrared sensor is electrically connected to the microcontroller. When the human infrared sensor detects that no one is wearing the earphone, the microcontroller controls the speaker unit to stop playing;

[0183] The first volume detection device and the second volume detection device are electrically connected to the microcontroller respectively. When the human infrared sensor detects that someone is wearing the earphone, the microcontroller automatically adjusts the output volume of the speaker unit according to the volume information detected by the first volume detection device and the second volume detection device.

[0184] The microcontroller automatically adjusts the output volume of the speaker unit according to the volume information detected by the first volume detection device and the second volume detection device, and further includes the following steps:

[0185] Step A1, obtaining output volume information of the speaker unit, and performing noise reduction processing on the output volume information, wherein the noise reduction processing method includes: a short-time spectrum estimation method, an auditory masking method, and a noise reduction method based on a directional microphone;

[0186] Step A2, determining the information-to-noise ratio of the output volume information;

[0187]

[0188] Wherein, Rate is the information noise ratio, K is the total number of frames of the output volume information, Orj is the output volume size of the j-th frame of the output volume information, Dej is the output volume size of the j-th frame of the output volume information after the noise reduction process, j=i, i+1, i+2, ... K, i=1, 2, 3 ... K-1;

[0189] Step A3, obtaining volume information of the external environment, and determining a distance value of the volume information of the external environment;

[0190]

[0191] Wherein, l is the distance value of the volume information of the external environment, M is the distance between the ear and the first volume detection device, b is the expansion angle of the volume information of the external environment, L is the height of a person, H is the amplitude of the noise, and F is the volume of the external environment;

[0192] Step A4, determining the ideal output volume of the speaker unit;

[0193]

[0194] Wherein, M is the ideal output volume, and Fb is the preset standard volume;

[0195] Among them, the Fb of in-ear headphones is 11.1dB, the Fb of earbud headphones is 12.4dB, the Fb of on-ear headphones is 12.7dB, and the Fb of over-ear headphones is 12.8dB;

[0196] Step A5: the microcontroller controls the output volume of the speaker unit to be the ideal output volume in real time.

[0197] Beneficial effects:

[0198] By using the above technology, the controller can automatically adjust the output volume of the speaker unit according to the volume information detected by the first volume detection device and the second volume detection device, so that the volume can meet the requirements of being able to hear the output volume clearly under different environmental information, and will not cause hearing damage due to excessive volume. At the same time, by using the above technology, the output volume information of the speaker unit can also be processed for noise removal, so that the noise content in the volume is smaller, so that the noise of the output volume information of the speaker unit will not cause noise-induced hearing damage to the hearing.

[0199] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A hanging earphone, characterized in that: include: A headband (1), wherein the headband (1) is a ring-shaped structure; Two earphones (2), the two earphones (2) being respectively connected to the lower sides of opposite sides of the headband (1) through a connecting piece (3); A plurality of speaker units (21) are arranged inside the earpiece (2), and the plurality of speaker units (21) are arranged at different positions of the earpiece (2), so that the plurality of speaker units (21) form a stereo effect; Also includes: A microcontroller, wherein the microcontroller is arranged in the headband (1); A storage battery, the storage battery being arranged in the headband (1), and the microcontroller being electrically connected to the storage battery; The microcontroller is electrically connected to each speaker unit (21) of the two earpieces (2) via a first data line (4), and the first data line (4) is located inside the headband (1); a second data line, one end of which is electrically connected to the microcontroller, and the other end of which is connected to an earphone plug and is located outside the headband (1); A control panel, the control panel being arranged on the outside of the headband (1) and being electrically connected to the microcontroller; The connecting member (3) comprises: A fixing block (31), one side of the fixing block (31) being fixedly connected to one side of the headband (1); A support rod (32), the upper end of the support rod (32) being fixedly connected to the lower end of the fixing block (31), and the lower end of the support rod (32) being provided with a mounting groove (327); A first rotating shaft (33) is horizontally arranged in the mounting groove (327) along the front-to-back direction, the first rotating shaft (33) is rotatably connected to the front and rear side walls of the mounting groove (327), and one end of the first rotating shaft (33) passes through the outside of the mounting groove (327); A second rotating shaft (34) is arranged in the mounting groove (327), wherein the second rotating shaft (34) is arranged parallel to the first rotating shaft (33) and is located below the first rotating shaft (33); A first gear (35) and a second gear (36), wherein the first gear (35) and the second gear (36) are both arranged in a mounting groove (327), the first gear (35) is fixedly sleeved on an outer wall of the first rotating shaft (33), the second gear (36) is fixedly sleeved on an outer wall of the second rotating shaft (34), and the first gear (35) and the second gear (36) are meshed for transmission; A first rotating handle (37), the first rotating handle (37) being arranged at an end of the first rotating shaft (33) outside the mounting groove (327); An L-shaped connecting bracket (38), wherein the vertical end of the L-shaped connecting bracket (38) is fixedly connected to the second rotating shaft (34), and the horizontal end of the L-shaped connecting bracket (38) is fixedly connected to the receiver (2); The support rod (32) comprises: An outer rod (321), wherein a mounting hole is provided at the lower end of the outer rod (321), the mounting hole is arranged along the length direction of the outer rod (321), and the upper and middle inner walls of the mounting hole are provided with internal threads; An inner rod (322), the inner rod (322) being installed in the installation hole, and the upper and middle outer walls of the inner rod (322) being provided with external threads matching with a section of the internal threads; A first spring (323), one end of the first spring (323) is fixedly connected to the top of the inner wall of the mounting hole, the other end of the first spring (323) is fixedly connected to the top of the inner rod (322), and the mounting groove (327) is arranged at one end of the inner rod (322) away from the first spring (323); A horizontal rod (324) is rotatably connected to the inner rod (322), one end of the horizontal rod (324) is located inside the inner rod (322), and the other end passes through one side of the inner rod (322) and the outer rod (321) in sequence, and the horizontal rod (324) is located at the lower part of the inner rod (322), and the first data line (4) is wound around the horizontal rod (324); A connecting plate (325), wherein the connecting plate (325) is fixedly connected to an end of the horizontal rod (324) located on the inner side of the inner rod (322); A connecting groove, the connecting groove passes through the outer wall of one side of the outer rod (321), the connecting groove extends in the vertical direction at the lower part of the outer rod (321), and the connecting groove is used for allowing one end of the horizontal rod (324) provided with the second rotating handle (326) to move up and down; A second rotating handle (326), the second rotating handle (326) is fixedly connected to an end of the horizontal rod (324) located outside the inner rod (322); The support rod (32) comprises: A plurality of first card slots, the plurality of first card slots being arranged on an outer wall of the mounting groove (327) close to the first rotating handle (37) and being evenly spaced along the circumference of the first rotating handle (37); A clamping rod (39), the clamping rod (39) being connected to the first rotating handle (37), and one end of the clamping rod (39) close to the mounting groove (327) being clamped and matched with the first clamping groove, so as to limit the rotation of the first rotating handle (37); The first rotating handle (37) is provided with a threaded hole penetrating the first rotating handle (37) in the horizontal direction, and the outer wall of the clamping rod (39) is provided with an external thread, and the external thread of the clamping rod (39) is matched with the threaded hole; The headband (1) comprises: A left arc-shaped shell (11) and a right arc-shaped shell (12), wherein one end of the left arc-shaped shell (11) and one end of the right arc-shaped shell (12) are hingedly connected via a connecting shaft (18); A first connecting block (13), the first connecting block (13) being fixedly connected to the outer side wall of the other end of the left arc-shaped housing (11); A second connecting block (14), the second connecting block (14) being fixedly connected to the outer side wall of the other end of the right arc-shaped shell (12); A U-shaped mounting groove (15) is provided on one side of the first connecting block (13) and the second connecting block (14) away from the center of the arc, and the U-shaped mounting groove (15) is vertically arranged; A connecting bar (16), wherein the connecting bar (16) is horizontally arranged in the two U-shaped mounting grooves (15), and one end of the connecting bar (16) is rotatably riveted to the upper end of the U-shaped mounting groove (15) on the second connecting block (14); A plurality of second card slots (17), wherein the plurality of second card slots (17) are evenly spaced and arranged at the upper end of the connecting strip (16) along the length direction of the connecting strip (16); A card block, the card block being arranged on the inner wall of the upper end of the U-shaped mounting groove (15) on the first connecting block (13), the card block being card-engaged with the second card groove (17); The outer walls of the inner sides of the left arc-shaped shell (11) and the right arc-shaped shell (12) are provided with an elastic layer, a waterproof layer and an insulating layer in sequence from the outside to the inside.

2. A hanging earphone according to claim 1, characterized in that: The annular structure is a closed annular structure matching the shape of the head or an annular structure with an opening.

3. A hanging earphone according to claim 1, characterized in that: The shape of the handset (2) is any one of a cross, a triangle, a ring, a circle, and a rectangle; When the receiver (2) is in a cross shape, a plurality of speaker units (21) are arranged at intervals inside the transverse section and the longitudinal section of the cross.

4. The hanging earphone according to claim 1, characterized in that: Also includes: A first volume detection device, disposed on the outer side wall of the headband, for detecting volume information of the external environment of the headband; A second volume detection device, arranged at the sound output end of the handset, for detecting output volume information of the speaker unit; A human infrared sensor is arranged on the side wall of the earpiece close to the ear, and the human infrared sensor is electrically connected to the microcontroller. When the human infrared sensor detects that no one is wearing the earphone, the microcontroller controls the speaker unit to stop playing; The first volume detection device and the second volume detection device are electrically connected to the microcontroller respectively. When the human infrared sensor detects that someone is wearing the earphone, the microcontroller automatically adjusts the output volume of the speaker unit according to the volume information detected by the first volume detection device and the second volume detection device.

Images