CN110933552B

CN110933552B - A hanging headphone

Info

Publication number: CN110933552B
Application number: CN201911246486.6A
Authority: CN
Inventors: 储锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2024-12-20
Anticipated expiration: 2039-12-05
Also published as: CN110933552A

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

Suspension type earphone

Technical Field

The invention relates to the technical field of earphones, in particular to a suspension earphone.

Background

With the progress of social civilization, people tend to diversify entertainment and leisure modes, and electronic games are a mode preferred by modern young people, wherein game headphones are particularly common in people's lives. When the conventional game earphone is worn like a common semicircular game earphone, two semicircular sides are required to be clamped on two sides of a head, two earphones are clamped on two ears, and the conventional game earphone has the defect of uncomfortable use when worn for a long time.

Disclosure of Invention

The invention provides a suspension earphone which is used for solving the problem that when the traditional semicircular game earphone is worn, two sides of a semicircle are required to be clamped at two sides of a head, two earphones are clamped at two ears, and the wearing for a long time has uncomfortable use defect.

A suspension earphone, comprising:

The head hoop is of an annular structure;

The two earpieces are respectively connected below two opposite sides of the head band through connecting pieces;

the inside a plurality of loudspeaker units that set up of earphone, a plurality of loudspeaker units set up respectively in the different positions of earphone for a plurality of loudspeaker units form the stereophonic effect.

Preferably, the annular structure is a closed annular structure matched with the shape of the head or an annular structure with an opening.

Preferably, the shape of the earphone is any one of cross, triangle, ring, circle and rectangle;

When the earphone is cross-shaped, a plurality of loudspeaker units are arranged in the cross-shaped transverse section and the longitudinal section at intervals.

Preferably, the method further comprises:

a microcontroller disposed within the headband;

The storage battery is arranged in the head hoop, and the microcontroller is electrically connected with the storage battery;

the microcontroller is electrically connected with the loudspeaker units of the two receivers through first data lines respectively, and the first data lines are positioned in the headbands;

one end of the second data line is electrically connected with the microcontroller, the other end of the second data line is connected with an earphone plug, and the end of the second data line is positioned outside the head band;

the control panel is arranged on the outer side of the head band and is electrically connected with the microcontroller.

Preferably, the connector comprises:

The fixing block is fixedly connected with one side of the head hoop;

the upper end of the supporting rod is fixedly connected with the lower end of the fixed block, and the lower end of the supporting rod is provided with a mounting groove;

The first rotating shaft is horizontally arranged in the mounting groove along the front-rear direction and is rotationally connected with the front side wall and the rear side wall of the mounting groove, and one end of the first rotating shaft penetrates out of the mounting groove;

the second rotating shaft is arranged in the mounting groove, is arranged in parallel with the first rotating shaft and is positioned below the first rotating shaft;

The first gear and the second gear are arranged in the mounting groove, the first gear is fixedly sleeved on the outer wall of the first rotating shaft, the second gear is fixedly sleeved on the outer wall of the second rotating shaft, and the first gear and the second gear are in meshed transmission;

the first rotating handle is arranged at one end of the first rotating shaft, which is positioned outside the mounting groove;

the vertical end of the L-shaped connecting support is fixedly connected with the second rotating shaft, and the horizontal end of the L-shaped connecting support is fixedly connected with the earphone.

Preferably, the support bar includes:

the lower end of the outer rod is provided with a mounting hole, the mounting hole is arranged along the length direction of the outer rod, and the inner walls of the upper part and the middle part of the mounting hole are provided with internal threads;

The inner rod is arranged in the mounting hole, and outer walls of the upper part and the middle part of the inner rod are provided with external threads matched with a section of the internal threads;

The first spring is fixedly connected with the top end of the inner wall of the mounting hole at one end, the other end of the first spring is fixedly connected with the top end of the inner rod, and the mounting groove is formed in one end, far away from the first spring, of the inner rod;

The horizontal rod is rotationally connected with the inner rod, one end of the horizontal rod is positioned at the inner side of the inner rod, the other end of the horizontal rod sequentially penetrates through one side of the inner rod and one side of the outer rod, the horizontal rod is positioned at the lower part of the inner rod, and the first data wire is wound on the horizontal rod;

The connecting groove penetrates through the outer wall of one side of the outer rod, extends to the lower part of the outer rod along the vertical direction, and is used for moving up and down at one end of the horizontal rod, provided with the second rotating handle;

the second rotating handle is fixedly connected to one end of the horizontal rod, which is located on the outer side of the inner rod.

Preferably, the support bar includes:

The first clamping grooves are arranged on the outer wall of one side, close to the first rotating handle, of the mounting groove, and are uniformly arranged at intervals along the peripheral side of the first rotating handle;

The clamping connection rod is connected with the first rotating handle, and one end, close to the mounting groove, of the clamping connection rod is matched with the first clamping groove in a clamping mode and used for limiting the rotation of the first rotating handle.

Preferably, the first rotating handle is provided with a threaded hole penetrating through the first rotating handle along the horizontal direction, the outer wall of the clamping rod is provided with external threads, and the external threads of the clamping rod are matched with the threaded hole.

Preferably, the microcontroller is connected with an external power supply through a charging circuit;

The charging circuit includes:

The two ends of the first capacitor are respectively connected with the two ends of the power plug, and one end of the first capacitor is grounded;

the anode of the first Zener diode is connected with the other end of the first capacitor;

The third end of the integrated chip is connected with 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 with the microcontroller, and the second end of the integrated chip is connected with the fourth end;

the anode of the first electrolytic capacitor is connected with the third end of the integrated chip, and the cathode of the first electrolytic capacitor is grounded;

The anode of the second electrolytic capacitor is connected with the second end of the integrated chip, and the cathode of the second electrolytic capacitor is grounded;

One end of the third resistor is connected with the second end of the integrated chip;

the inverting input end of the operational amplifier is connected with the other end of the third resistor;

One end of the fourth resistor is connected with the non-inverting input end of the operational amplifier;

One end of the second resistor is connected with the inverting input end of the operational amplifier, and the other end of the second resistor is connected with the output end of the operational amplifier;

The negative electrode of the second Zener diode is connected with the other end of the fourth resistor, and the positive electrode of the second Zener diode is grounded;

The first end of the fifth resistor is connected with the cathode of the second zener diode, and the second end of the fifth resistor is connected with the output end of the operational amplifier;

One end of the first resistor is connected with 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;

The negative electrode of the third Zener diode is connected with the second end of the fifth resistor, and the positive electrode of the third Zener diode is grounded;

The first end of the optical coupler isolator is connected with the other end of the first resistor, the second end of the optical coupler isolator is connected with the positive electrode of the second zener diode, the third end and the fourth end of the optical coupler isolator are connected, and the third end of the optical coupler isolator is connected with the microcontroller.

Preferably, the method further comprises:

the first volume detection device is arranged on the outer side wall of the head band and is used for detecting volume information of the external environment of the head band;

the second volume detection device is arranged at the sound output end of the receiver and is used for detecting the output volume information of the loudspeaker unit;

The human body infrared sensor is arranged on the side wall of the earphone close to the ear, and is electrically connected with the microcontroller, and when the human body infrared sensor detects that no person wears the earphone, the microcontroller controls the loudspeaker unit to stop playing;

The first volume detection device and the second volume detection device are respectively and electrically connected with the microcontroller, and when the human body infrared sensor detects that a person wears the earphone, the microcontroller automatically adjusts the output volume of the loudspeaker unit according to the volume information detected by the first volume detection device and the second volume detection device.

Preferably, the headband comprises:

the device comprises a left arc-shaped shell and a right arc-shaped shell, wherein one end of the left arc-shaped shell is hinged with one end of the right arc-shaped shell through a connecting shaft;

The first connecting block is fixedly connected to the outer side wall of the other end of the left arc-shaped shell;

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

The side, far away from the center of the arc, of the first connecting block and the second connecting block is provided with a U-shaped mounting groove, and the U-shaped mounting groove is vertically arranged;

the connecting strips are horizontally arranged in the two U-shaped mounting grooves, and one end of each connecting strip is riveted with the upper end of the U-shaped mounting groove on the second connecting block in a rotating manner;

The second clamping grooves are uniformly arranged at intervals at the upper end of the connecting strip along the length direction of the connecting strip;

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 is in clamping fit with the second clamping groove;

the outer walls of the inner sides of the arcs of the left arc-shaped shell and the right arc-shaped shell are sequentially provided with an elastic layer, a waterproof layer and an insulating layer from outside to inside.

Preferably, the microcontroller automatically adjusts the output volume of the speaker unit according to the volume information detected by the first volume detecting device and the second volume detecting device, and further comprises the following steps:

A1, acquiring output volume information of a loudspeaker unit, and performing noise reduction processing on the output volume information, wherein the noise reduction processing method comprises a short-time spectrum estimation method, an auditory masking method and a noise reduction method based on a directional microphone;

a2, determining the information noise ratio of the output volume information;

wherein Rate is the information noise ratio, K is the total frame number 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 processing, j=i, i+1, i+2, &..a.k, i=1, 2, 3..a.k-1;

A3, acquiring volume information of the external environment, and determining a distance value of the volume information of the external environment;

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 noise, and F is the volume of the external environment;

a4, determining ideal output volume of the loudspeaker unit;

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

And step A5, the microcontroller controls the output volume of the loudspeaker unit to be the ideal output volume in real time.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical scheme of the invention is further described in detail through the drawings and the embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic structural diagram of a speaker unit inside a receiver according to the present invention.

Fig. 3 is a schematic structural view of a first embodiment of the headband of the present invention.

Fig. 4 is a schematic structural view of an embodiment of the connector of the present invention.

Fig. 5 is a left side view of fig. 4.

Fig. 6 is a schematic structural view of an embodiment of the support bar of the present invention.

Figure 7 is a schematic structural view of a second embodiment of the headband of the present invention.

Figure 8 is a schematic structural view of a third embodiment of the headband of the present invention.

Fig. 9 is a circuit diagram of a power supply circuit of the present invention.

FIG. 10 is an exploded view of the magnetic assembly and switch connection of the present invention.

Fig. 11 is a schematic diagram of the overall structure of the switch in fig. 10.

Fig. 12 is a partial schematic view of the switch of fig. 10.

1, A head hoop; 11, a left arc-shaped shell; 12, right arc-shaped shell; the battery charger comprises a first connecting block, a second connecting block, a U-shaped mounting groove, a connecting bar, a connecting groove, a connecting 17, a second clamping groove, a 18, a connecting shaft, a 181, a second spring, a 19, an opening, a 2, a receiver, a 21, a loudspeaker unit, a3, a connecting piece, a 31, a fixed block, a 32, a supporting rod, a 321, an outer rod, a 322, an inner rod, a 323, a first spring, a 324, a horizontal rod, a 325, a connecting plate, a 326, a second rotating handle, a 327, a mounting groove, a 33, a first rotating shaft, a 34, a second rotating shaft, a 35, a first gear, a 36, a second gear, a 37, a first rotating handle, a 38, an L-shaped connecting bracket, a 39, a clamping rod, a 4, a first data wire, a R1, a first resistor, a R2, a second resistor, a R3, a third resistor, a R4, a fourth resistor, a R5, a fifth resistor, a 5, an opto-isolator, a D1, a first zener diode, a D2, a second zener diode, a D3, a third zener diode, a C1, a C2, a first capacitor, a C3, a first capacitor, a wire, a capacitor, a wire, a wire, a capacitor, a 1, a wire, a 1, A wire A first A wire A first A wire A coupling wire A wire, wire A wire respectively coupling wire A wire, wire A wire, wire the wire A wire, wire A wire, wire A wire the wire A wire respectively wire the wire A wire the wire, wire respectively wire A wire the wire, wire the wire.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.

An embodiment of the present invention provides a suspension earphone, as shown in fig. 1-2, including:

A head hoop 1, wherein the head hoop 1 is of an annular structure;

two earpieces 2, the two earpieces 2 are respectively connected below two opposite sides of the head band 1 through connecting pieces 3;

the inside of the earphone 2 is provided with a plurality of speaker units 21, and the speaker units 21 are respectively arranged at different directions of the earphone 2, so that the speaker units 21 form a stereo effect.

Preferably, the connecting piece 3 can be made of soft flexible materials, such as flexible metal rods, such as flexible aluminum rods or flexible copper rods, or the connecting piece 3 comprises a support, the tail end of the support is rotatably connected with the outer side face of the head hoop (can be in threaded connection or in rotational connection through a bearing) and can rotate 360 degrees, the arm of the support is a universal hose, the high-quality soft rubber is wrapped outside the universal hose, the high-quality soft rubber is strongly supported, the angle can be freely twisted, and the technical scheme is convenient for understanding the bending angle of the piece, and is convenient for meeting the use requirements of different users.

Preferably, the shape of the earphone 2 is any one of cross, triangle, ring, circle and rectangle, the corresponding horn units can be arranged in different directions (various angles) inside the cross, triangle, ring, circle and rectangle, and the shape of the earphone can be other shapes besides the shape.

As shown in fig. 2, when the earphone 2 is in a cross shape, a plurality of horn units 21 are disposed at intervals in the cross-shaped transverse section and in the longitudinal section. The two horizontal and vertical rows of horn units have the advantage of good stereo sound effect.

The technical scheme has the working principle that when the multifunctional annular head band is used, the annular head band 1 is sleeved on the head of a user, and the two earpieces 2 are hung on the ears on the two sides of the head, so that the multifunctional annular head band is convenient to wear;

and a plurality of loudspeaker units 21 are arranged in the earphone 2, and the loudspeaker units 21 are respectively arranged in different directions of the earphone 2, so that the loudspeaker units 21 form a stereo effect, and the invention has a sound stereo effect.

The technical scheme has the beneficial effects that the annular head band 1 is sleeved on the head for wearing, the head band has the advantage of comfortable wearing, and the sound stereo effect is achieved by the arrangement of the loudspeaker units 21.

In one embodiment, the ring structure is a closed ring structure (as shown in fig. 1) that matches the shape of the head or a ring structure with an opening 19 (as shown in fig. 3, the opening 19 may be sized as needed to avoid oversized openings so that the headband can easily fall off the head).

The technical scheme has the working principle and beneficial effects that the annular structure is a closed annular structure matched with the shape of the head or an annular structure with an opening, so that the head band 1 is convenient to wear on the head.

In one embodiment, further comprising:

a microcontroller disposed within the headband 1;

the storage battery is arranged in the head hoop 1, and the microcontroller is electrically connected with the storage battery;

The microcontroller is electrically connected with the horn units 21 of the two receivers 2 through first data lines 4 respectively, and the first data lines 4 are positioned in the head band 1;

One end of the second data wire is electrically connected with the microcontroller, and the other end of the second data wire is connected with an earphone plug which is positioned outside the head band 1;

The control panel is arranged outside the head band 1 and is electrically connected with the microcontroller. The control panel is provided with control buttons, such as control buttons of the horn units 21, and the corresponding horn units 21 can be controlled to start or stop working through the control buttons of the horn units 21.

The technical scheme has the working principle and beneficial effects that the microcontroller is electrically connected with the loudspeaker units 21 of the two receivers 2 through the first data lines 4 respectively, and is connected with the control panel, so that the corresponding loudspeaker units 21 can be controlled to work through the operation of the control panel, and a user can conveniently control the loudspeaker units 21 to work according to the needs.

Preferably, the earphone of the invention can be a wireless earphone or a wired earphone, and can select a wired or wireless mode according to the requirement, and because of the possibility of interference of wireless, delay exists, the earphone can listen to songs and watch movies when wireless, and an earphone wire can be inserted when playing games:

in a first embodiment, when the earphone can be a wireless earphone or a wired earphone, the earphone of the present invention includes:

the microcontroller comprises a wireless transmission circuit and a wireless/wired switching module, wherein the wireless transmission circuit is used for receiving an audio signal from the outside to drive the loudspeaker unit to sound, and comprises a wireless signal receiving and transmitting circuit and an audio processing circuit, wherein the wireless signal receiving and transmitting circuit is used for converting an external electromagnetic wave signal into an electric signal, the audio processing circuit is used for decoding and amplifying the electric signal and outputting an analog audio signal to the loudspeaker unit to drive the loudspeaker unit to sound, and the wireless signal receiving and transmitting circuit comprises a 2.4 Ghz wireless receiving and transmitting circuit;

The wireless/wired switching module controls the wireless transmission circuit to stop working when the second data wire is inserted into the second data wire jack, and receives slave terminal equipment (such as a mobile phone or a computer) to realize wired work of the earphone. Preferably, a wireless control button is arranged on the head band to control the wireless transmission circuit to work or stop.

In the second embodiment, the headband 1 is internally provided with a storage battery 10, a wireless controller 20 and a switch 30, wherein the wireless controller is respectively and electrically connected with the storage battery and a speaker unit (the wireless controller is respectively and electrically connected with each speaker unit 21 of two headphones 2 through a first data wire 4, the first data wire 4 is positioned in the headband 1), the headband further comprises a magnetic connecting wire 9, one end of the magnetic connecting wire 9 is provided with a plug (which can be an existing earphone plug), and the other end of the magnetic connecting wire is provided with a magnetic attraction component 91;

As shown in fig. 10-12, the magnetic assembly comprises a first housing 911 with an opening at the upper end, wherein a first magnet 912 is installed in the first housing 911, the first magnet 912 is fixedly connected with a mounting plate 913, the mounting plate 913 can be matched and fixed with the first housing 911 through the opening of the first housing 911, a first electric conductor 914 is arranged at the upper end of the mounting plate 913, and the first electric conductor is connected with one end of the magnetic connecting wire 9 far away from the plug;

The switch 30 comprises a second shell 301 with two open ends, a connecting iron sheet 302 is arranged at the top end of the second shell 301, a spring contact sheet 303 is arranged at the lower end of the connecting iron sheet 302, a storage battery connecting wire (preferably, the storage battery connecting wire penetrates to the lower end of the connecting iron sheet) is connected to the upper end of the connecting iron sheet 302, a second magnet 306 is arranged in the second shell 301, a sheet-shaped conductor 304 is arranged at the bottom end of the second shell 301, the sheet-shaped conductor 304 and the spring contact sheet 303 are both connected with the first connecting wire 40, and the first connecting wire 40 is connected with a horn connecting wire. Wherein under the sheet-shaped conductor the end is positioned on the outer surface of the head hoop, facilitating connection of the magnetic assembly 91.

When the magnetic attraction assembly 91 is far away from the switch 30, the second magnet 306 is attracted to the connecting iron piece 302 to be attached to the connecting iron piece 302 under the action of the connecting iron piece 302, and when the second magnet is attracted to the connecting iron piece 302, the spring contact piece 303 arranged on the lower end face of the connecting iron piece 302 is compressed to be in contact with the storage battery connecting wire, and the circuit of the storage battery connecting wire and the loudspeaker unit is connected, so that the battery supplies power to the wireless controller 20 and the loudspeaker at the moment, and a wireless earphone is formed.

When the magnetic component 91 is matched with the switch 30, the first magnet 912 in the magnetic component 91 attracts the second magnet 302 in the switch 30 to the bottom end of the second housing 301, the spring contact 303 arranged on the lower end surface of the connecting iron sheet 302 is sprung to open, the circuit of the connecting wire of the storage battery is disconnected, the magnetic component 91 is mutually attracted and fixed with the switch 30, the first conductor 914 in the mounting plate 913 is mutually contacted with the sheet conductor of the switch 30, the circuit of the connecting wire and the horn connecting wire is connected, and the earphone can be used as a wired earphone.

In one embodiment, as shown in fig. 4-5, the connector 3 comprises:

A fixing block 31, wherein one side of the fixing block 31 is fixedly connected with one side of the head band 1 (preferably, one outer side of the head band 1 is connected with the left side of the fixing block 31 as shown in fig. 4);

the upper end of the supporting rod 32 is fixedly connected with the lower end of the fixed block 31, and the lower end of the supporting rod 32 is provided with a mounting groove 327;

the first rotating shaft 33 is horizontally arranged in the mounting groove 327 along the front-rear direction, the first rotating shaft 33 is rotatably connected with the front-rear side wall of the mounting groove (specifically, for example, a mounting hole is formed in the side wall of the mounting groove, a rotating bearing is arranged in the mounting hole, an outer ring of the rotating bearing is fixedly connected with the inner wall of the mounting hole, an 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 penetrates out of the mounting groove 327;

a second rotation shaft 34 disposed in the mounting groove 327, the second rotation shaft 34 being disposed in parallel with the first rotation shaft 33 and below the first rotation shaft 33;

The first gear 35 and the second gear 36 are arranged in the mounting groove 327, the first gear 35 is fixedly sleeved on the outer wall of the first rotating shaft 33, 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 in meshed transmission;

a first rotating handle 37, the first rotating handle 37 is arranged at one end of the first rotating shaft 33 outside the mounting groove 327;

The vertical end of the L-shaped connecting bracket 38 is fixedly connected with the second rotating shaft 34 (preferably, one end of the second rotating shaft 34 penetrates through the outer wall of the mounting groove 327, the vertical end of the L-shaped connecting bracket 38 is fixedly connected with one end of the second rotating shaft 34, or is connected with the outer wall of the second rotating shaft 34 inside the mounting groove 327 as shown in fig. 4), and the horizontal end of the L-shaped connecting bracket 38 is fixedly connected with the earpiece 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 avoids the first rotating shaft and the second rotating shaft and is prevented from winding) and then is connected with the corresponding earphone.

The technical scheme has the working principle and beneficial effects that when the angle of the L-shaped connecting support 38 needs to be adjusted, a user rotates the first rotating handle 37, so that the first rotating shaft 33 rotates, the second rotating shaft 34 is driven to rotate through the first gear 35 and the second gear 36, the L-shaped connecting support 38 connected to the second rotating shaft 34 rotates, the angle of the L-shaped connecting support 38 is adjusted, the earpiece 2 connected to the L-shaped connecting support 38 is positioned at different angles, the user can conveniently adjust the angle of the earpiece 2 according to the needs, the earpiece 2 is attached to the ear, and the structure is convenient to adjust.

In one embodiment, as shown in fig. 6, the support bar 32 includes:

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

the inner rod 322 is installed in the installation hole, external threads matched with one section of the internal threads are arranged on the upper portion and the outer wall of the middle portion of the inner rod 322, preferably, the inner rod 322 is formed by detachably connecting a front half rod and a rear half rod to form a hollow cylinder with two closed ends (preferably, the front half rod and the rear half rod are in clamping connection, if the front half rod is used for being connected with the rear half rod, a clamping block is arranged on a connecting surface of the front half rod, and a clamping groove matched with the clamping block is arranged on a connecting surface of the rear half rod for being connected with the front half rod), so that the inner rod is convenient to detach, install and replace and adjust related components.

One end of the first spring 323 is fixedly connected with the top end of the inner wall of the mounting hole, the other end of the first spring 323 is fixedly connected with the top end of the inner rod 322, and the mounting groove 327 is arranged at one end of the inner rod 322 far away from the first spring 323;

The horizontal rod 324 is rotatably connected with the front half rod or the rear half rod, one end of the horizontal rod 324 is positioned at the inner side of the front half rod or the rear half rod, the other end of the horizontal rod 324 sequentially penetrates through the front half rod or the rear half rod and one side of the outer rod (namely, the horizontal rod 324 is rotatably connected with the front half rod, one end of the horizontal rod 324 sequentially penetrates through the front half rod and one side of the outer rod, or the horizontal rod 324 is rotatably connected with the rear half rod, one end of the horizontal rod 324 is positioned at the inner side of the rear half rod, the other end of the horizontal rod 324 is positioned at the outer side of the rear half rod), the horizontal rod 324 is positioned at the lower part of the inner rod 322, and the first data wire 4 is wound on the horizontal rod 324;

The connecting plate 325 is fixedly connected to one end of the horizontal bar 324 located at the inner side of the front half bar, and is provided to prevent the first data line from being separated from one end of the horizontal bar.

A connection groove penetrating through an outer wall of one side of the outer rod 321, the connection groove extending in a vertical direction at a lower portion of the outer rod 321, the connection groove being for moving up and down one end of the horizontal rod 324 where the second rotating handle 326 is provided;

And a second rotating handle 326, wherein the second rotating handle 326 is fixedly connected to one end of the horizontal rod, which is positioned outside the inner rod.

The technical scheme has the working principle and beneficial effects that the outer rod 321 is in threaded connection with the inner rod 322 in the technical scheme, so that the inner rod 322 is convenient to adjust and extend out of the length of the outer rod 321, the first spring 323 is arranged to prevent the inner rod 322 from sliding off the outer rod 321, the horizontal rod 324 and the connecting plate 325 are arranged to enable the first data wire 4 to be wound between the horizontal rod 324 and the first connecting plate 325, when the length of the data wire needs to be adjusted, the second rotating handle 326 is rotated to adjust the length of the first data wire 4, the first data wire 4 is collected and wound, the first data wire 4 is prevented from being messy to affect the work of other parts, when the length of the inner rod 322 extending out of the outer rod 321 needs to be prolonged, the second rotating handle 326 is rotated to increase the length of the first data wire 4 at the upper end of the first horizontal rod 324, then the inner rod 322 is rotated again, and the inner rod 322 is prevented from being influenced, and the use is convenient.

In one embodiment, the support bar 32 includes:

The first clamping grooves are formed in the outer wall of one side, close to the first rotating handle 37, of the mounting groove 327, and are uniformly arranged at intervals along the periphery of the first rotating handle 37;

the clamping rod 39, the clamping rod 39 is connected with the first rotating handle 37, and one end of the clamping rod 39 close to the mounting groove 327 is matched with the first clamping groove in a clamping way, so as to limit the first rotating handle 37 to rotate.

The technical scheme has the working principle and beneficial effects that the plurality of first clamping grooves are formed in the outer wall of one side, close to the first rotating handle 37, of the mounting groove 327, and are uniformly arranged at intervals along the peripheral side of the first rotating handle 37, the clamping rods 39 are connected with the first rotating handle 37, when the first rotating handle 37 is required to be fixed to prevent reverse rotation, the clamping rods 39 are clamped into the clamping grooves to limit the rotation of the first rotating handle 37, and the technical scheme is characterized in that the plurality of first clamping grooves are uniformly arranged at intervals along the peripheral side of the first rotating handle 37, so that the first rotating handle 37 is conveniently fixed at different positions.

In one embodiment, the first rotating handle 37 is provided with a threaded hole penetrating through the first rotating handle 37 along the horizontal direction, the outer wall of the clamping rod 39 is provided with external threads, and the external threads of the clamping rod 39 are matched with the threaded hole.

The technical scheme has the working principle and beneficial effects that when the clamping rod 39 is in threaded connection with the corresponding threaded hole of the first rotating handle 37, when the first rotating handle 37 is required to be limited to rotate, a user rotates the clamping rod 39 to enable one end of the clamping rod 39, which is close to the mounting groove 327, to be clamped into the first clamping groove, when the first rotating handle 37 is not required to be limited to rotate, the clamping rod 39 is separated from the first clamping groove, and when the clamping rod 39 is rotated, one end of the clamping rod 39, which is close to the mounting groove 327, is moved to the end, which is far away from the mounting groove 327, so that the rotating handle is convenient to rotate. The technical scheme is convenient for the rotating handle to rotate and the rotating handle to rotate at present.

In one embodiment, as shown in fig. 9, the microcontroller is connected with an external power supply through a charging circuit;

The charging circuit includes:

The two ends of the first capacitor C1 are respectively connected with two ends of the power plug 8, and one end of the first capacitor C1 is grounded; the power plug 8 is used for connecting an external power supply for charging;

the positive electrode of the first Zener diode D1 is connected with the other end of the first capacitor C1;

The third end of the integrated chip 7 is connected with the cathode of the first Zener diode D1, the first end of the integrated chip 7 is grounded, the second end of the integrated chip 7 is connected with the microcontroller, and the second end of the integrated chip 7 is connected with the fourth end;

The positive electrode of the first electrolytic capacitor C2 is connected with the third end of the integrated chip 7, and the negative electrode of the first electrolytic capacitor C2 is grounded;

the anode of the second electrolytic capacitor C3 is connected with the second end of the integrated chip 7, and the cathode of the second electrolytic capacitor C3 is grounded;

One end of the third resistor R3 is connected with the second end of the integrated chip 7;

the inverting input end of the operational amplifier 6 is connected with the other end of the third resistor R3;

one end of the fourth resistor R4 is connected with the non-inverting input end of the operational amplifier 6;

One end of the second resistor R2 is connected with the inverting input end of the operational amplifier 6, and the other end of the second resistor R2 is connected with the output end of the operational amplifier 6;

the cathode of the second Zener diode D2 is connected with the other end of the fourth resistor R4, and the anode of the second Zener diode D is grounded;

the first end of the fifth resistor R5 is connected with the cathode of the second zener diode D2, and the second end of the fifth resistor R5 is connected with the output end of the operational amplifier 6;

One end of the first resistor R1 is connected with 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;

The cathode of the third Zener diode D3 is connected with the second end of the fifth resistor R5, and the anode of the third Zener diode D is grounded;

The first end of the optocoupler isolator 5 is connected with the other end of the first resistor R1, the second end of the optocoupler isolator 5 is connected with the positive electrode of the second zener diode D2, the third end and the fourth end of the optocoupler isolator 5 are connected, and the third end of the optocoupler isolator 5 is connected with the microcontroller.

The power supply circuit is convenient to connect with an external power supply, and is provided with the integrated chip 7 with the voltage stabilizing function, the first capacitor C1, the first Zener diode D1, the first electrolytic capacitor C2 and the second electrolytic capacitor C3, so that the voltage stabilizing function of the power supply circuit is good, the microcontroller can be ensured to work, and the use of the power supply circuit is convenient.

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 end and the fourth end of the opto-isolator 5 are conducted, and a signal is output to the first controller, the first controller controls the power supply circuit to be cut off, and the overvoltage protection function is started, so that the microcontroller is ensured to work, and the use of the invention is facilitated.

In one embodiment, as shown in fig. 7, the headband 1 includes:

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 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, one end of the second spring 181 is connected with the outer wall of the left arc-shaped shell 11, and the other end of the second spring 181 is connected with the outer wall of the right arc-shaped shell 12. The head band is simple in structure, convenient to use and convenient to wear.

In one embodiment, as shown in fig. 8, the headband 1 includes:

A left arc-shaped housing 11 and a right arc-shaped housing 12, wherein one end of the left arc-shaped housing 11 is hinged with one end of the right arc-shaped housing 12 through a connecting shaft 18;

The first connecting block 13 is fixedly connected to the outer side wall of the other end of the left arc-shaped shell 11;

the second connecting block 14 is 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 formed in one side, far away from the center of the arc, of each of the first connecting block 13 and the second connecting block 14, and the U-shaped mounting groove 15 is vertically arranged;

the connecting strips 16 are horizontally arranged in the two U-shaped mounting grooves 15, and one end of each connecting strip 16 is riveted with the upper end of each U-shaped mounting groove 15 on the second connecting block 14 in a rotating manner;

the second clamping grooves 17 are uniformly arranged at intervals at the upper end of the connecting strip 16 along the length direction of the connecting strip 16;

The clamping block 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 in clamping fit with the second clamping groove 17;

The inner and outer walls of the left and right arc-shaped shells 11 and 12 are sequentially provided with an elastic layer, a waterproof layer and an insulating layer from outside to inside. Preferably, the elastic layer is a rubber layer with good elasticity, the waterproof layer is made of epoxy resin material, and the insulating layer is a silicone resin layer.

The technical scheme has the working principle and beneficial effects that when the head band is used, a user can sleeve 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 included angles between one end of the left arc-shaped shell 11 and one end of the right arc-shaped shell 12, then rotate the other end of the connecting strip 16 into the U-shaped mounting groove 15 of the first connecting block 13, clamp the clamping block in the corresponding second clamping groove 17, fix the length of the head band 1, and the technical scheme is convenient for adjusting the length of the head band 1 and is convenient for users with different head sizes to wear.

And the circular arc inner side outer walls of the left circular arc shell 11 and the right circular arc shell 12 are sequentially provided with an elastic layer, a waterproof layer and an insulating layer from outside to inside, the elastic layer enables a user to wear the head band 1 comfortably, the waterproof layer can prevent water from entering the shell, and the insulating layer has the advantage of insulation.

In one embodiment, further comprising:

The microcontroller automatically adjusts the output volume of the loudspeaker unit according to the volume information detected by the first volume detection device and the second volume detection device, and the method further comprises the following steps:

a2, determining the information noise ratio of the output volume information;

a4, determining ideal output volume of the loudspeaker unit;

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

Wherein, in-ear earphone Fb is 11.1dB, earplug earphone Fb is 12.4dB, ear-attaching earphone Fb is 12.7dB, and ear-cover earphone Fb is 12.8dB;

The beneficial effects are that:

The technology can enable the controller to automatically adjust the output volume of the loudspeaker 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 volume which can be well heard and output under different environment information, meanwhile, the hearing is not damaged due to overlarge volume, and meanwhile, the technology can also be used for carrying out noise rejection processing on the output volume information of the loudspeaker unit, so that the noise content in the volume is smaller, and noise hearing damage caused by the noise of the output volume information of the loudspeaker unit is avoided.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A suspension earphone, comprising:

the head hoop (1), the head hoop (1) is of an annular structure;

The two earpieces (2) are respectively connected below two opposite sides of the head band (1) through connecting pieces (3);

A plurality of loudspeaker units (21) are arranged in the earphone (2), and the loudspeaker units (21) are respectively arranged in different directions of the earphone (2) so that the loudspeaker units (21) form a stereo effect;

Further comprises:

A microcontroller arranged in the head band (1);

the storage battery is arranged in the head hoop (1), and the microcontroller is electrically connected with the storage battery;

The microcontroller is electrically connected with the horn units (21) of the two receivers (2) through first data lines (4), and the first data lines (4) are positioned in the head band (1);

One end of the second data line is electrically connected with the microcontroller, the other end of the second data line is connected with an earphone plug, and the end of the second data line is positioned outside the head band (1);

The control panel is arranged outside the head band (1) and is electrically connected with the microcontroller;

The connector (3) comprises:

the fixing block (31), one side of the fixing block (31) is fixedly connected with one side of the head hoop (1);

The upper end of the supporting rod (32) is fixedly connected with the lower end of the fixed block (31), and the lower end of the supporting rod (32) is provided with a mounting groove (327);

The first rotating shaft (33) is horizontally arranged in the mounting groove (327) along the front-back direction, the first rotating shaft (33) is rotationally connected with the front side wall and the rear side wall of the mounting groove (327), and one end of the first rotating shaft (33) penetrates out of the mounting groove (327);

A second rotation shaft (34) provided in the installation groove (327), the second rotation shaft (34) being provided in parallel with the first rotation shaft (33) and below the first rotation shaft (33);

The first gear (35) and the second gear (36) are arranged in the mounting groove (327), the first gear (35) is fixedly sleeved on the outer wall of the first rotating shaft (33), 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 in meshed transmission;

A first rotating handle (37), wherein the first rotating handle (37) is arranged at one end of the first rotating shaft (33) outside the mounting groove (327);

The vertical end of the L-shaped connecting bracket (38) is fixedly connected with the second rotating shaft (34), and the horizontal end of the L-shaped connecting bracket (38) is fixedly connected with the earphone (2);

The support bar (32) includes:

The outer rod (321), the lower end of the outer rod (321) is provided with a mounting hole, the mounting hole is arranged along the length direction of the outer rod (321), and the inner walls of the upper part and the middle part of the mounting hole are provided with internal threads;

The inner rod (322) is arranged in the mounting hole, and external threads matched with one section of the internal threads are arranged on the outer walls of the upper part and the middle part of the inner rod (322);

The first spring (323), one end of the first spring (323) is fixedly connected with the top end of the inner wall of the mounting hole, the other end of the first spring (323) is fixedly connected with the top end of the inner rod (322), and the mounting groove (327) is arranged at one end, far away from the first spring (323), of the inner rod (322);

The horizontal rod (324) is rotationally connected with the inner rod (322), one end of the horizontal rod (324) is positioned at the inner side of the inner rod (322), the other end of the horizontal rod sequentially penetrates through one side of the inner rod (322) and one side of the outer rod (321), the horizontal rod (324) is positioned at the lower part of the inner rod (322), and the first data wire (4) is wound on the horizontal rod (324);

The connecting plate (325) is fixedly connected to one end of the horizontal rod (324) positioned at the inner side of the inner rod (322);

The connecting groove penetrates through the outer wall of one side of the outer rod (321), extends to the lower part of the outer rod (321) along the vertical direction and is used for moving up and down at one end of the horizontal rod (324) where the second rotating handle (326) is arranged;

the second rotating handle (326) is fixedly connected to one end of the horizontal rod (324) positioned outside the inner rod (322);

The support bar (32) includes:

The first clamping grooves are formed in the outer wall of one side, close to the first rotating handle (37), of the mounting groove (327) and are uniformly arranged at intervals along the peripheral side of the first rotating handle (37);

The clamping connection rod (39), the clamping connection rod (39) is connected with the first rotating handle (37), and one end, close to the mounting groove (327), of the clamping connection rod (39) is matched with the first clamping groove in a clamping manner and used for limiting the rotation of the first rotating handle (37);

the first rotating handle (37) is provided with a threaded hole penetrating through the first rotating handle (37) along the horizontal direction, the outer wall of the clamping rod (39) is provided with external threads, and the external threads of the clamping rod (39) are 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) is hinged with one end of the right arc-shaped shell (12) through a connecting shaft (18);

The first connecting block (13), the said first connecting block (13) is fixedly connected to the outer sidewall of another end of the left circular arc shell (11);

The second connecting block (14), the said second connecting block (14) is fixedly connected to the outer sidewall of another end of right circular arc body (12);

One side, far away from the center of the arc, of the first connecting block (13) and the second connecting block (14) is provided with a U-shaped mounting groove (15), and the U-shaped mounting groove (15) is vertically arranged;

The connecting strips (16) are horizontally arranged in the two U-shaped mounting grooves (15), and one end of each connecting strip (16) is riveted with the upper end of each U-shaped mounting groove (15) on the second connecting block (14) in a rotating mode;

the second clamping grooves (17) are uniformly arranged at intervals at the upper end of the connecting strip (16) along the length direction of the connecting strip (16);

the clamping block 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 in clamping fit with the second clamping groove (17);

the circular arc inner side outer walls of the left circular arc shell (11) and the right circular arc shell (12) are sequentially provided with an elastic layer, a waterproof layer and an insulating layer from outside to inside.

2. A suspension earphone according to claim 1, wherein the loop is a closed loop matching the shape of the head or a loop with an opening.

3. A suspension earphone according to claim 1, characterized in that the shape of the earpiece (2) is any one of cross, triangle, torus, circle, rectangle;

when the earphone (2) is in a cross shape, a plurality of horn units (21) are arranged in the cross-shaped transverse section and the longitudinal section at intervals.

4. The suspension earphone of claim 1, further comprising: