CN111405394B - Neck area bluetooth speaker equipped with supporting rack - Google Patents

Neck area bluetooth speaker equipped with supporting rack Download PDF

Info

Publication number
CN111405394B
CN111405394B CN202010178061.2A CN202010178061A CN111405394B CN 111405394 B CN111405394 B CN 111405394B CN 202010178061 A CN202010178061 A CN 202010178061A CN 111405394 B CN111405394 B CN 111405394B
Authority
CN
China
Prior art keywords
sound box
rotating shaft
directly connected
cavity
connecting piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010178061.2A
Other languages
Chinese (zh)
Other versions
CN111405394A (en
Inventor
蒋小波
蒋达发
成庆
胡章毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen E Ran Technology Co ltd
Original Assignee
Shenzhen E Ran Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen E Ran Technology Co ltd filed Critical Shenzhen E Ran Technology Co ltd
Priority to CN202010178061.2A priority Critical patent/CN111405394B/en
Publication of CN111405394A publication Critical patent/CN111405394A/en
Application granted granted Critical
Publication of CN111405394B publication Critical patent/CN111405394B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The invention discloses a neck belt Bluetooth sound box and a matched placing rack thereof, which comprise a left sound box cavity, a right sound box cavity, a flexible silica gel connecting piece, a base, a first connecting piece, a wireless power transmitting assembly, a second connecting piece and a U-shaped component; one end of the flexible silica gel connecting piece is directly connected with the left cavity of the sound box, and the other end of the flexible silica gel connecting piece is directly connected with the right cavity of the sound box; one end of the first connecting piece is directly connected with the base, the other end of the first connecting piece is directly connected with one end of the wireless power transmitting assembly, the other end of the wireless power transmitting assembly is directly connected with one end of the second connecting piece, and the other end of the second connecting piece is directly connected with the lowest position of the U-shaped member. The neck belt Bluetooth sound box and the matched placing rack thereof can improve the human body fitting degree and sound gathering effect of the sound box and reduce noise influence.

Description

Neck area bluetooth speaker equipped with supporting rack
Technical Field
The invention relates to the field of sound boxes, in particular to a neck belt Bluetooth sound box with a matched placing rack.
Background
Earphones have become an essential part of people's life, and people use earphones to enable their ears to receive audio so as to listen to music to reduce the influence of ambient sounds on themselves or listen to contents such as telephone and voice. Especially, the wireless Bluetooth headset is not restricted by a power line, so that the wireless Bluetooth headset is more convenient for users to answer and is popular with people.
However, the existing earphones, in either form, have a significant and serious problem that, although the sound insulation effect is good, the ear itself is swollen and painful when worn for a long time. Therefore, the neck strap type Bluetooth sound box is produced. The bluetooth speaker of neck strap formula only needs the user to place it on human shoulder, and the audio frequency directional technology that the bluetooth speaker of neck strap formula adopted will make the audio frequency that sends from the bluetooth speaker of neck strap formula concentrate on human ear department to guarantee that the user can hear the sound of enough volume, can not produce too much influence to the surrounding environment simultaneously. However, because the body structures of each person are different, the heights of the shoulders and the positions of the ears are different, and the traditional neck-band-type bluetooth sound box cannot meet the requirements of different persons adaptively, so that the sound gathering effect is not obvious in practice, less sound is received by a user, and noise pollution is caused to the surrounding environment. In addition, because the ears of the user who uses the bluetooth speaker of the neck strap formula are in external environment, if the noise that exists is great among the external environment, then the user can't hear the audio frequency clearly, leads to sound noisy.
Disclosure of Invention
The invention provides a neckband Bluetooth sound box with a matched placing rack, which is characterized in that one neckband Bluetooth sound box comprises a left sound box cavity, a right sound box cavity and a flexible silica gel connecting piece, and the one placing rack comprises a base, a first connecting piece, a wireless power transmitting assembly, a second connecting piece and a U-shaped component; one end of the flexible silica gel connecting piece is directly connected with the left cavity of the sound box, and the other end of the flexible silica gel connecting piece is directly connected with the right cavity of the sound box; one end of the first connecting piece is directly connected with the base, the other end of the first connecting piece is directly connected with one end of the wireless power transmitting assembly, the other end of the wireless power transmitting assembly is directly connected with one end of the second connecting piece, and the other end of the second connecting piece is directly connected with the lowest part of the U-shaped member; when the neckband Bluetooth speaker is not in use, the neckband Bluetooth speaker may be hung on the U-shaped member.
When the neck area bluetooth speaker hangs when on the U type component, through the adjustment flexible silica gel connecting piece with the contact position of U type component makes audio amplifier left side cavity with wireless power transmission subassembly sets up relatively, makes simultaneously wireless power transmission subassembly with audio amplifier right side cavity sets up relatively.
The left cavity of the sound box comprises a left cavity shell, and a left rotating shaft, a left rotating motor, a left control circuit and a left audio circuit which are arranged in the left cavity shell; the geometric center of the left cavity shell is positioned on the axis of the left rotating shaft, one end of the left rotating shaft is directly and fixedly connected with the left inner surface of the left cavity shell, and the other end of the left rotating shaft is directly and fixedly connected with the right inner surface of the left cavity shell; the left rotating motor is arranged on the inner surface of the left side or the inner surface of the right side of the left cavity shell and is directly connected with the left rotating shaft, so that the left rotating motor can drive the left rotating shaft to rotate when running; the left control circuit is arranged on the inner surface of the lower side of the left cavity shell; the left audio circuit is arranged on the left rotating shaft, so that the left audio circuit synchronously rotates when the left rotating shaft rotates.
When the neck belt Bluetooth sound box is placed on the shoulder of a human body, the outer surface of the lower side of the left cavity of the sound box is in direct contact with the shoulder of the human body; the outer surface of the left side of the left cavity of the sound box is the part, which is farthest away from the neck of the human body, in the left cavity of the sound box.
The right cavity of the sound box comprises a right cavity shell, and a right rotating shaft, a right rotating motor, a right control circuit and a right audio circuit which are arranged in the right cavity shell; the geometric center of the right cavity shell is positioned on the axis of the right rotating shaft, one end of the right rotating shaft is directly and fixedly connected with the inner surface of the left side of the right cavity shell, and the other end of the right rotating shaft is directly and fixedly connected with the inner surface of the right side of the right cavity shell; the right rotating motor is arranged on the inner surface of the left side or the inner surface of the right side of the right cavity shell and is directly connected with the right rotating shaft, so that the operation of the right rotating motor can drive the right rotating shaft to rotate; the right control circuit is arranged on the inner surface of the lower side of the right cavity shell; the right audio circuit is arranged on the right rotating shaft, so that the right audio circuit synchronously rotates when the right rotating shaft rotates.
When the neck belt Bluetooth sound box is placed on the shoulder of a human body, the outer surface of the lower side of the right cavity of the sound box is in direct contact with the shoulder of the human body; the outer surface of the left side of the right cavity of the sound box is the part of the right cavity of the sound box, which is farthest away from the neck of the human body.
The upper surfaces of the left and right sound box cavities are respectively provided with a plurality of uniformly distributed through holes, and the uniformly distributed through holes are distributed on the upper surfaces.
A left detection device is arranged on the outer surface of the right side of the left cavity of the sound box, and a right detection device is arranged on the outer surface of the right side of the right cavity of the sound box; the left detection device and the right detection device are respectively used for detecting the left distance between the left cavity of the sound box and the left ear of the human body and the right distance between the right cavity of the sound box and the right ear of the human body.
The left control circuit comprises a left microcontroller, a left wireless power receiving module and a left battery; the right control circuit comprises a right microcontroller, a right wireless power receiving module and a right battery.
The outer surface of the lower side of the left cavity of the sound box is also provided with a left temperature detection circuit, and the outer surface of the lower side of the right cavity of the sound box is also provided with a right temperature detection circuit; when the neck belt Bluetooth sound box is started and is in wireless Bluetooth connection with the mobile terminal, the mobile terminal enables the temperature t of the surrounding environment0Respectively transmitting the signals to a left microcontroller and a right microcontroller; after the neck belt Bluetooth sound box is started, the left temperature detection circuit and the right temperature detection circuit start to work, and the left temperature detection circuit detects real-time left temperature t1And will t1Transmitted to the left microcontroller, and the right temperature detection circuit detects the real-time right temperature t2And will t2Transmitting to the right microcontroller; the left microcontroller judges t1Whether or not to satisfy A | t0-37|≤|t0-t1| ≠ 0 orB | t0-37|≥|t0-t1If the signal is not equal to 0, | A is smaller than B, the left microcontroller sends a preparation signal to the right microcontroller, otherwise, the left microcontroller sends a signal to be located to the right microcontroller; the right microcontroller judges t2Whether or not to satisfy A | t0-37|≤|t0-t2| ≠ 0 or Bt |0-37|≥|t0-t2If the received signal is a preparation signal, the right microcontroller feeds back a detection signal to the left microcontroller, and controls the right detection device to start detection to obtain a right distance d2, and the right microcontroller sets an angle theta of the right rotating shaft required to rotate leftwards according to the right distance d22When the d2 is smaller, the angle of the right rotating shaft which needs to be rotated to the left is larger, and the right microcontroller stores the angle theta of the right rotating shaft which is rotated to the left2,0The right microcontroller calculates theta2-θ2,0When the result is 0, the right microcontroller controls the right rotating motor to stop working so that the right rotating shaft does not rotate, and when the result is greater than 0, the right microcontroller controls the right rotating motor to rotate anticlockwise so as to drive the right rotating shaft to continue rotating leftwards by theta2-θ2,0When the result is less than 0, the right microcontroller controls the right rotating motor to rotate clockwise so as to drive the right rotating shaft to rotate to the right angle theta2,0-θ2The angle of (d); the left microcontroller controls the left detection device to start detection after receiving the detection signal to obtain a left distance d1, and the left microcontroller sets an angle theta of the left rotating shaft needing to rotate to the right according to the left distance d11When the d1 is smaller, the angle that the left rotating shaft needs to rotate to the right is larger, and the left microcontroller stores the angle theta that the left rotating shaft has currently rotated to the right1,0The left microcontroller calculates θ1-θ1,0When the result is 0, the left microcontroller controls the left rotating motor not to work so that the left rotating shaft does not workWhen the result is larger than 0, the left microcontroller controls the left rotating motor to rotate clockwise so as to drive the left rotating shaft to continue to rotate to the right by theta1-θ1,0When the result is less than 0, the left microcontroller controls the left rotating motor to rotate anticlockwise so as to drive the left rotating shaft to rotate towards the left rotating shaft theta1,0-θ1The angle of (c).
D1 and theta can be preset1And storing the mapping in the left microcontroller, which obtains theta according to d1 and the first mapping relation1(ii) a D2 and theta can be preset2And storing the mapping in the right microcontroller, which obtains theta according to d2 and the second mapping relation2。
The wireless power transmitting assembly comprises a control chip, a high-frequency AC/AC converting circuit and a wireless resonance transmitting unit; the base is provided with an external power connecting part for receiving external power grid AC power; the high-frequency AC/AC conversion circuit is directly connected with the external power connection part and is used for converting the external power grid AC power into AC power capable of enabling the wireless resonance sending unit to resonate under the control of the control chip; the wireless resonance transmission unit is directly connected to the high frequency AC/AC conversion circuit for converting the AC power into an electromagnetic field.
The lowest part of the U-shaped component is provided with a pressure sensor, and the pressure sensor outputs a starting signal to the control chip when detecting that the pressure exceeding a preset pressure value exists; the control chip enters an operating state from a standby state when receiving the starting signal, the control chip does not output a driving signal to the high-frequency AC/AC conversion circuit when in the standby state, the high-frequency AC/AC conversion circuit does not output AC power, the control chip outputs the driving signal to the high-frequency AC/AC conversion circuit when in the operating state, the high-frequency AC/AC conversion circuit outputs the AC power converted by the high-frequency AC/AC conversion circuit and transmits the AC power to the wireless resonance transmitting unit, and the wireless resonance transmitting unit converts the power in the circuit into an electromagnetic field.
An AC/DC circuit is also arranged in the base, the input end of the AC/DC circuit is connected with the external power connecting component, and the output end of the AC/DC circuit is connected with the pressure sensor and used for providing continuous and stable power for the pressure sensor.
The AC/DC circuit comprises a first alternating current input end, a second alternating current input end, capacitors C1, C2 and C3, resistors R1, R2, R3, R4, R5, R6, R7, R8 and R9, mosfet switching tubes S1 and S2, diodes D1, D2, D3, D4, D5, D6, D7 and D8 and a transformer T1; the transformer T1 comprises a transformer primary side L1, a transformer primary side L2 and a transformer secondary side L3; one end of the resistor R1 is directly connected with a first alternating current input end of an AC/DC circuit, and the other end of the resistor R1 is directly connected with the anode of the diode D1; the anode of the diode D1 is also directly connected to the cathode of the diode D4, and the cathode of the diode D1 is directly connected to the cathode of the diode D2; the anode of the diode D3 is directly connected with the anode of the diode D4, the cathode of the diode D3 is directly connected with the anode of the diode D2, and the cathode of the diode D3 is also directly connected with the second alternating current input end of the AC/DC circuit; one end of the resistor R2 is directly connected with the cathode of the diode D1, and the other end of the resistor R2 is directly connected with the drain of the mosfet switch tube S1; the drain of the mosfet switch tube S1 is also directly connected to the base of the mosfet switch tube S2, the base of the mosfet switch tube S1 is directly connected to the anode of the diode D5, and the source of the mosfet switch tube S1 is directly connected to the anode of the diode D3; the base of the mosfet switch tube S2 is also directly connected to one end of the capacitor C1, and the other end of the capacitor C1 is directly connected to one end of the resistor R6; one end of the resistor R3 is directly connected with the base electrode of the mosfet switch tube S1, and the other end of the resistor R3 is directly connected with the source electrode of the mosfet switch tube S2; one end of the resistor R4 is directly connected with the source electrode of the mosfet switch tube S2, and the other end of the resistor R4 is directly connected with the source electrode of the mosfet switch tube S1; one end of the resistor R7 is directly connected with the cathode of the diode D1, and the other end of the resistor R7 is directly connected with the drain of the mosfet switch tube S2; one end of the primary side L1 of the transformer is directly connected with one end of the resistor R7, and the other end of the primary side L1 of the transformer is directly connected with the other end of the resistor R7; one end of the primary side L2 of the transformer is directly connected with the other end of the resistor R6, the other end of the primary side L2 of the transformer is directly connected with one end of the resistor R5, and the other end of the resistor R5 is directly connected with the source electrode of the mosfet switch tube S1; the anode of the diode D6 is directly connected to the source of the mosfet switch tube S1, and the cathode of the diode D6 is directly connected to one end of the primary side L2 of the transformer; the cathode of the diode D5 is directly connected to one end of the capacitor C2, one end of the capacitor C2 is also directly connected to one end of the resistor R5, and the other end of the capacitor C2 is directly connected to the other end of the resistor R5; one end of the transformer secondary side L3 is directly connected with the anode of the diode D7, the other end of the transformer secondary side L3 is directly connected with one end of the capacitor C3, and the other end of the capacitor C3 is directly connected with the cathode of the diode D7; the anode of the diode D8 is directly connected with the cathode of the diode D7, the cathode of the diode D8 is directly connected with one end of the resistor R8, and the other end of the resistor R8 is directly connected with the other end of the transformer secondary side L3; one end of the resistor R9 is directly connected with the anode of the diode D8 and is used as a first anode direct current output end of the AC/DC circuit; the other end of the resistor R9 is directly connected with the other end of the resistor R8 and is used as a first negative direct current output end of the AC/DC circuit.
The wireless power receiving module comprises a wireless resonance receiving unit and a rectifying and filtering circuit; the wireless resonance receiving unit converts the electromagnetic field into electric power in a circuit, the electric power in the circuit is converted into direct current meeting a preset electric energy quality level through the rectifying and filtering circuit, and the direct current charges the battery; the battery provides power supply for the rotating motor, the microcontroller, the audio circuit, the detection device and the temperature detection circuit.
The wireless resonance transmitting unit and the wireless resonance receiving unit both comprise capacitors and inductors, and the capacitors and the inductors form a series resonance circuit or a parallel resonance circuit.
After the control chip enters a working state from a standby state when receiving the starting signal, the control chip sends an electric quantity request instruction to the left microcontroller and the right microcontroller; the left microcontroller detects the left electric quantity of the left battery and transmits the left electric quantity to the control chip, and the right microcontroller detects the right electric quantity of the right battery and transmits the right electric quantity to the control chip; and the control chip judges whether at least one of the left electric quantity and the right electric quantity is not greater than a preset high electric quantity threshold value, if so, the control chip outputs a driving signal to the high-frequency AC/AC conversion circuit, and if not, the control chip does not output the driving signal to the high-frequency AC/AC conversion circuit. In the working process of the high-frequency AC/AC conversion circuit, the control chip intermittently sends an electric quantity request instruction to the left microcontroller and the right microcontroller and receives the left electric quantity and the right electric quantity, the control chip judges whether the left electric quantity and the right electric quantity reach a maximum electric quantity threshold value, if so, the control chip stops outputting a driving signal to the high-frequency AC/AC conversion circuit, otherwise, the step is continued until the left electric quantity and the right electric quantity reach the maximum electric quantity threshold value, and the control chip stops outputting the driving signal to the high-frequency AC/AC conversion circuit.
The preset high power threshold is represented as 85% in terms of percentage of remaining power, and the maximum power threshold is represented as 100% in terms of percentage of remaining power.
The wireless power receiving module also comprises a switch element arranged between the wireless resonance receiving unit and the rectification filter circuit; and when the electric quantity of the battery detected by the microcontroller is equal to the highest electric quantity threshold value, the microcontroller controls the switch element to be switched off, otherwise, the microcontroller controls the switch element to be switched on.
The audio detection device is arranged on the outer surface of the right side of the left cavity of the sound box and used for detecting real-time environment audio signals nearby the audio detection device, and the left battery provides electric power for the audio detection device. When the neck-band Bluetooth sound box is worn on the shoulder of a user and outputs an audio file selected by the user on a mobile terminal, the audio detection device starts to work, detects the real-time environment audio signal and transmits the real-time environment audio signal to the left microcontroller in real time; the mobile terminal transmits the real-time set audio signal of the selected audio file to the left microcontroller in real time; the left microcontroller calculates a real-time noise audio signal based on the real-time environment audio signal and the real-time established audio signal; if the amplitude of the real-time noise audio signal is larger than the preset audio amplitude, the left microcontroller automatically increases the volume emitted by the neckband Bluetooth sound box until the amplitude of the real-time noise audio signal is smaller than the preset audio amplitude.
The left microcontroller judges whether a rule exists in the environmental noise based on the real-time noise audio signals, and if so, the left microcontroller transmits the rule to the mobile terminal; the mobile terminal finds a specific audio file which is in line with the rule from all audio files, and enables the neck-band Bluetooth sound box to play the specific audio file, so that the interference of environmental noise to a user is reduced under the condition of not increasing the volume.
The beneficial technical effects obtained by the invention are as follows:
1. the traditional mode that the neck type sound box is made of hard materials is changed, and the connecting piece is made of soft silica gel, so that the sound box can be more attached to a human body, and the comfort level of the human body is improved;
2. the audio playing structure which is originally created and rotatable is matched with the large-area audio playing holes for use, so that the sound box can output audio in different directions based on different body types and even actions of a user, and the directional function of audio output is improved;
3. the pressure sensor is matched with the wireless charging and transmitting assembly, so that the sound box can automatically supplement power based on the power condition of the sound box when being placed on the U-shaped component, and the sufficient power is guaranteed;
4. the real environmental noise is identified based on a real-time audio comparison technology, and the influence of the environmental noise on a user is avoided through self-adaptive volume control;
5. for the noise with regular rules, the music liked by the user with the same regular rules of the noise can be searched, and then the noise can be covered to the maximum extent under the condition that the hearing of the user is not further damaged.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. In the drawings, like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a block diagram of a neckband bluetooth speaker equipped with a mating holder of the present invention.
FIG. 2 is a circuit diagram of the AC/DC of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
Hereinafter, embodiments of the inventive concept will be described as follows with reference to the accompanying drawings.
The inventive concept may, however, be illustrated in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Throughout the specification, it will be understood that when an element such as a layer, region or wafer (substrate) is referred to as being "on," "connected to" or "bonded to" another element, it can be directly on, connected to or bonded to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there may be no other elements or layers intervening therebetween. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be apparent that, although the terms "first," "second," "third," etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience in description, spatially relative terms (e.g., "above …," "above …," "below …," and "below …," etc.) may be used herein to describe one element's relationship to one or more other elements as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other elements or features would then be oriented "below" or "beneath" the other elements or features. Thus, the term "above …" can encompass both an orientation of "above …" and "below …" depending on the particular orientation of the device in the drawings. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the inventive concept. As used herein, the singular is intended to include the plural unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or combinations, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or combinations.
Hereinafter, embodiments of the inventive concept will be described with reference to schematic diagrams illustrating embodiments of the inventive concept. In the drawings, for example, an ideal shape of the assembly is shown. However, due to manufacturing techniques and/or tolerances, the components may be manufactured with modified shapes relative to those shown. Accordingly, embodiments of the inventive concept should not be construed as limited to the particular shapes of parts illustrated herein but are to be more generally construed to include deviations in shapes that result from manufacturing processes and from non-ideal factors. The inventive concept may also be comprised of one or a combination of the various embodiments shown and/or described herein.
The contents of the inventive concept described below may have various configurations. Only illustrative configurations have been shown and described herein, the inventive concept is not so limited and should be construed to extend to all suitable configurations.
The first embodiment.
Please refer to fig. 1.
A neckband Bluetooth sound box provided with a matched placing rack is characterized in that one neckband Bluetooth sound box comprises a left sound box cavity, a right sound box cavity and flexible silica gel connecting pieces, and one placing rack comprises a base, a first connecting piece, a wireless power transmitting assembly, a second connecting piece and a U-shaped component; one end of the flexible silica gel connecting piece is directly connected with the left cavity of the sound box, and the other end of the flexible silica gel connecting piece is directly connected with the right cavity of the sound box; one end of the first connecting piece is directly connected with the base, the other end of the first connecting piece is directly connected with one end of the wireless power transmitting assembly, the other end of the wireless power transmitting assembly is directly connected with one end of the second connecting piece, and the other end of the second connecting piece is directly connected with the lowest part of the U-shaped member; when the neckband Bluetooth speaker is not in use, the neckband Bluetooth speaker may be hung on the U-shaped member.
When the neck area bluetooth speaker hangs when on the U type component, through the adjustment flexible silica gel connecting piece with the contact position of U type component makes audio amplifier left side cavity with wireless power transmission subassembly sets up relatively, makes simultaneously wireless power transmission subassembly with audio amplifier right side cavity sets up relatively.
Because the adoption more can laminate human soft silica gel as the connecting piece, and can not set up power line etc. in this connecting piece, consequently set up wireless power receiving module respectively in audio amplifier left side cavity and audio amplifier right side cavity, through wireless power transmission module on the rack can charge for two wireless power receiving module simultaneously, has improved charge efficiency, has reduced charge time.
The left cavity of the sound box comprises a left cavity shell, and a left rotating shaft, a left rotating motor, a left control circuit and a left audio circuit which are arranged in the left cavity shell; the geometric center of the left cavity shell is positioned on the axis of the left rotating shaft, one end of the left rotating shaft is directly and fixedly connected with the left inner surface of the left cavity shell, and the other end of the left rotating shaft is directly and fixedly connected with the right inner surface of the left cavity shell; the left rotating motor is arranged on the inner surface of the left side or the inner surface of the right side of the left cavity shell and is directly connected with the left rotating shaft, so that the left rotating motor can drive the left rotating shaft to rotate when running; the left control circuit is arranged on the inner surface of the lower side of the left cavity shell; the left audio circuit is arranged on the left rotating shaft, so that the left audio circuit synchronously rotates when the left rotating shaft rotates.
When the neck belt Bluetooth sound box is placed on the shoulder of a human body, the outer surface of the lower side of the left cavity of the sound box is in direct contact with the shoulder of the human body; the outer surface of the left side of the left cavity of the sound box is the part, which is farthest away from the neck of the human body, in the left cavity of the sound box.
The right cavity of the sound box comprises a right cavity shell, and a right rotating shaft, a right rotating motor, a right control circuit and a right audio circuit which are arranged in the right cavity shell; the geometric center of the right cavity shell is positioned on the axis of the right rotating shaft, one end of the right rotating shaft is directly and fixedly connected with the inner surface of the left side of the right cavity shell, and the other end of the right rotating shaft is directly and fixedly connected with the inner surface of the right side of the right cavity shell; the right rotating motor is arranged on the inner surface of the left side or the inner surface of the right side of the right cavity shell and is directly connected with the right rotating shaft, so that the operation of the right rotating motor can drive the right rotating shaft to rotate; the right control circuit is arranged on the inner surface of the lower side of the right cavity shell; the right audio circuit is arranged on the right rotating shaft, so that the right audio circuit synchronously rotates when the right rotating shaft rotates.
When the neck belt Bluetooth sound box is placed on the shoulder of a human body, the outer surface of the lower side of the right cavity of the sound box is in direct contact with the shoulder of the human body; the outer surface of the left side of the right cavity of the sound box is the part of the right cavity of the sound box, which is farthest away from the neck of the human body.
Through setting up rotatable audio circuit for the direction of the audio frequency that the audio circuit sent can change, and then adapts to the demand to the volume under the people of different sizes and even the same user different postures.
The upper surfaces of the left and right sound box cavities are respectively provided with a plurality of uniformly distributed through holes, and the uniformly distributed through holes are distributed on the upper surfaces.
In order to make the audio frequency with changed direction still smoothly penetrate out of the cavity, the upper surface of the cavity is fully distributed with holes, which is completely different from the prior art.
A left detection device is arranged on the outer surface of the right side of the left cavity of the sound box, and a right detection device is arranged on the outer surface of the right side of the right cavity of the sound box; the left detection device and the right detection device are respectively used for detecting the left distance between the left cavity of the sound box and the left ear of the human body and the right distance between the right cavity of the sound box and the right ear of the human body.
The left and right detection devices should be arranged at the position closest to the straight line distance between the ears of the human body, so that the distance between the cavity and the ears can be conveniently measured.
The left control circuit comprises a left microcontroller, a left wireless power receiving module and a left battery; the right control circuit comprises a right microcontroller, a right wireless power receiving module and a right battery.
The outer surface of the lower side of the left cavity of the sound box is also provided with a left temperature detection circuit, and the outer surface of the lower side of the right cavity of the sound box is also provided with a right temperature detection circuit; when the neck belt Bluetooth sound box is started and is in wireless Bluetooth connection with the mobile terminal, the mobile terminal enables the temperature t of the surrounding environment0Respectively transmitting the signals to a left microcontroller and a right microcontroller; after the neck belt Bluetooth sound box is started, the left temperature detection circuit and the right temperature detection circuit start to work, and the left temperature detection circuit detects real-time left temperature t1And will t1Transmitted to the left microcontroller, and the right temperature detection circuit detects the real-time right temperature t2And will t2Transmitting to the right microcontroller; the left microcontroller judges t1Whether or not to satisfy A | t0-37|≤|t0-t1| ≠ 0 or Bt |0-37|≥|t0-t1If the signal is not equal to 0, | A is smaller than B, the left microcontroller sends a preparation signal to the right microcontroller, otherwise, the left microcontroller sends a signal to be located to the right microcontroller; the right microcontroller judges t2Whether or not to satisfy A | t0-37|≤|t0-t2| ≠ 0 or Bt |0-37|≥|t0-t2If yes, the right microcontroller judges whether the received signal is a preparation signal, if so, the right microcontroller feeds back a detection signal to the left microcontroller, and the detection signal is the same as the detection signal fed back by the left microcontrollerThe right microcontroller controls the right detection device to start detection to obtain a right distance d2, and the right microcontroller sets the angle theta of the right rotating shaft required to rotate leftwards according to the right distance d22When the d2 is smaller, the angle of the right rotating shaft which needs to be rotated to the left is larger, and the right microcontroller stores the angle theta of the right rotating shaft which is rotated to the left2,0The right microcontroller calculates theta2-θ2,0When the result is 0, the right microcontroller controls the right rotating motor to stop working so that the right rotating shaft does not rotate, and when the result is greater than 0, the right microcontroller controls the right rotating motor to rotate anticlockwise so as to drive the right rotating shaft to continue rotating leftwards by theta2-θ2,0When the result is less than 0, the right microcontroller controls the right rotating motor to rotate clockwise so as to drive the right rotating shaft to rotate to the right angle theta2,0-θ2The angle of (d); the left microcontroller controls the left detection device to start detection after receiving the detection signal to obtain a left distance d1, and the left microcontroller sets an angle theta of the left rotating shaft needing to rotate to the right according to the left distance d11When the d1 is smaller, the angle that the left rotating shaft needs to rotate to the right is larger, and the left microcontroller stores the angle theta that the left rotating shaft has currently rotated to the right1,0The left microcontroller calculates θ1-θ1,0When the result is 0, the left microcontroller controls the left rotating motor to stop working so that the left rotating shaft does not rotate, and when the result is greater than 0, the left microcontroller controls the left rotating motor to rotate clockwise so as to drive the left rotating shaft to continue rotating to the right by theta1-θ1,0When the result is less than 0, the left microcontroller controls the left rotating motor to rotate anticlockwise so as to drive the left rotating shaft to rotate towards the left rotating shaft theta1,0-θ1The angle of (c).
Only when the neck area bluetooth speaker is placed on user's shoulder, the angle that the audio output just need be adjusted to the neck area bluetooth speaker, and other condition do not move, the saving electric power that can maximize. And by utilizing the principle of a constant-temperature human body, the user can conveniently obtain when the neck belt Bluetooth sound box is worn on the shoulders.
D1 and theta can be preset1And storing the mapping in the left microcontroller, which obtains theta according to d1 and the first mapping relation1(ii) a D2 and theta can be preset2And storing the mapping in the right microcontroller, which obtains theta according to d2 and the second mapping relation2。
Due to the limitation of a sound wave transmission mode, the center of the sound wave can reach the human ear, so that the rotation angle is adjusted by measuring the distance, the audio output by the audio circuit can be guaranteed to be directly transmitted to the human ear to the maximum extent, and the loss of the sound wave in the transmission process is avoided as much as possible.
The wireless power transmitting assembly comprises a control chip, a high-frequency AC/AC converting circuit and a wireless resonance transmitting unit; the base is provided with an external power connecting part for receiving external power grid AC power; the high-frequency AC/AC conversion circuit is directly connected with the external power connection part and is used for converting the external power grid AC power into AC power capable of enabling the wireless resonance sending unit to resonate under the control of the control chip; the wireless resonance transmission unit is directly connected to the high frequency AC/AC conversion circuit for converting the AC power into an electromagnetic field.
The lowest part of the U-shaped component is provided with a pressure sensor, and the pressure sensor outputs a starting signal to the control chip when detecting that the pressure exceeding a preset pressure value exists; the control chip enters an operating state from a standby state when receiving the starting signal, the control chip does not output a driving signal to the high-frequency AC/AC conversion circuit when in the standby state, the high-frequency AC/AC conversion circuit does not output AC power, the control chip outputs the driving signal to the high-frequency AC/AC conversion circuit when in the operating state, the high-frequency AC/AC conversion circuit outputs the AC power converted by the high-frequency AC/AC conversion circuit and transmits the AC power to the wireless resonance transmitting unit, and the wireless resonance transmitting unit converts the power in the circuit into an electromagnetic field.
Only when the neck belt Bluetooth sound box is placed on the placing rack, the mains supply is subjected to power conversion, and therefore unnecessary power loss caused by unnecessary power conversion is avoided.
An AC/DC circuit is also arranged in the base, the input end of the AC/DC circuit is connected with the external power connecting component, and the output end of the AC/DC circuit is connected with the pressure sensor and used for providing continuous and stable power for the pressure sensor.
Please refer to fig. 2.
The AC/DC circuit comprises a first alternating current input end, a second alternating current input end, capacitors C1, C2 and C3, resistors R1, R2, R3, R4, R5, R6, R7, R8 and R9, mosfet switching tubes S1 and S2, diodes D1, D2, D3, D4, D5, D6, D7 and D8 and a transformer T1; the transformer T1 comprises a transformer primary side L1, a transformer primary side L2 and a transformer secondary side L3; one end of the resistor R1 is directly connected with a first alternating current input end of an AC/DC circuit, and the other end of the resistor R1 is directly connected with the anode of the diode D1; the anode of the diode D1 is also directly connected to the cathode of the diode D4, and the cathode of the diode D1 is directly connected to the cathode of the diode D2; the anode of the diode D3 is directly connected with the anode of the diode D4, the cathode of the diode D3 is directly connected with the anode of the diode D2, and the cathode of the diode D3 is also directly connected with the second alternating current input end of the AC/DC circuit; one end of the resistor R2 is directly connected with the cathode of the diode D1, and the other end of the resistor R2 is directly connected with the drain of the mosfet switch tube S1; the drain of the mosfet switch tube S1 is also directly connected to the base of the mosfet switch tube S2, the base of the mosfet switch tube S1 is directly connected to the anode of the diode D5, and the source of the mosfet switch tube S1 is directly connected to the anode of the diode D3; the base of the mosfet switch tube S2 is also directly connected to one end of the capacitor C1, and the other end of the capacitor C1 is directly connected to one end of the resistor R6; one end of the resistor R3 is directly connected with the base electrode of the mosfet switch tube S1, and the other end of the resistor R3 is directly connected with the source electrode of the mosfet switch tube S2; one end of the resistor R4 is directly connected with the source electrode of the mosfet switch tube S2, and the other end of the resistor R4 is directly connected with the source electrode of the mosfet switch tube S1; one end of the resistor R7 is directly connected with the cathode of the diode D1, and the other end of the resistor R7 is directly connected with the drain of the mosfet switch tube S2; one end of the primary side L1 of the transformer is directly connected with one end of the resistor R7, and the other end of the primary side L1 of the transformer is directly connected with the other end of the resistor R7; one end of the primary side L2 of the transformer is directly connected with the other end of the resistor R6, the other end of the primary side L2 of the transformer is directly connected with one end of the resistor R5, and the other end of the resistor R5 is directly connected with the source electrode of the mosfet switch tube S1; the anode of the diode D6 is directly connected to the source of the mosfet switch tube S1, and the cathode of the diode D6 is directly connected to one end of the primary side L2 of the transformer; the cathode of the diode D5 is directly connected to one end of the capacitor C2, one end of the capacitor C2 is also directly connected to one end of the resistor R5, and the other end of the capacitor C2 is directly connected to the other end of the resistor R5; one end of the transformer secondary side L3 is directly connected with the anode of the diode D7, the other end of the transformer secondary side L3 is directly connected with one end of the capacitor C3, and the other end of the capacitor C3 is directly connected with the cathode of the diode D7; the anode of the diode D8 is directly connected with the cathode of the diode D7, the cathode of the diode D8 is directly connected with one end of the resistor R8, and the other end of the resistor R8 is directly connected with the other end of the transformer secondary side L3; one end of the resistor R9 is directly connected with the anode of the diode D8 and is used as a first anode direct current output end of the AC/DC circuit; the other end of the resistor R9 is directly connected with the other end of the resistor R8 and is used as a first negative direct current output end of the AC/DC circuit.
The AC/DC circuit is one of the invention points of the invention, and can enable the pressure sensor to obtain electric power with proper electric energy quality all the time, thereby enabling the pressure sensor to measure pressure all the time.
The wireless power receiving module comprises a wireless resonance receiving unit and a rectifying and filtering circuit; the wireless resonance receiving unit converts the electromagnetic field into electric power in a circuit, the electric power in the circuit is converted into direct current meeting a preset electric energy quality level through the rectifying and filtering circuit, and the direct current charges the battery; the battery provides power supply for the rotating motor, the microcontroller, the audio circuit, the detection device and the temperature detection circuit.
The wireless resonance transmitting unit and the wireless resonance receiving unit both comprise capacitors and inductors, and the capacitors and the inductors form a series resonance circuit or a parallel resonance circuit.
After the control chip enters a working state from a standby state when receiving the starting signal, the control chip sends an electric quantity request instruction to the left microcontroller and the right microcontroller; the left microcontroller detects the left electric quantity of the left battery and transmits the left electric quantity to the control chip, and the right microcontroller detects the right electric quantity of the right battery and transmits the right electric quantity to the control chip; and the control chip judges whether at least one of the left electric quantity and the right electric quantity is not greater than a preset high electric quantity threshold value, if so, the control chip outputs a driving signal to the high-frequency AC/AC conversion circuit, and if not, the control chip does not output the driving signal to the high-frequency AC/AC conversion circuit. In the working process of the high-frequency AC/AC conversion circuit, the control chip intermittently sends an electric quantity request instruction to the left microcontroller and the right microcontroller and receives the left electric quantity and the right electric quantity, the control chip judges whether the left electric quantity and the right electric quantity reach a maximum electric quantity threshold value, if so, the control chip stops outputting a driving signal to the high-frequency AC/AC conversion circuit, otherwise, the step is continued until the left electric quantity and the right electric quantity reach the maximum electric quantity threshold value, and the control chip stops outputting the driving signal to the high-frequency AC/AC conversion circuit.
As long as the battery power in any one cavity is not high enough, the loudspeaker box is charged, so that the loudspeaker box can keep high power at any time, and the long-time requirement of a user can be met at any time.
The preset high power threshold is represented as 85% in terms of percentage of remaining power, and the maximum power threshold is represented as 100% in terms of percentage of remaining power.
The wireless power receiving module also comprises a switch element arranged between the wireless resonance receiving unit and the rectification filter circuit; and when the electric quantity of the battery detected by the microcontroller is equal to the highest electric quantity threshold value, the microcontroller controls the switch element to be switched off, otherwise, the microcontroller controls the switch element to be switched on.
Since the electric quantity of the batteries in different cavities can be different, in order to avoid overcharging, a switch element is arranged, and the electric quantity of all the batteries can be fully charged and not be overcharged.
Example two.
The audio detection device is arranged on the outer surface of the right side of the left cavity of the sound box and used for detecting real-time environment audio signals nearby the audio detection device, and the left battery provides electric power for the audio detection device. When the neck-band Bluetooth sound box is worn on the shoulder of a user and outputs an audio file selected by the user on a mobile terminal, the audio detection device starts to work, detects the real-time environment audio signal and transmits the real-time environment audio signal to the left microcontroller in real time; the mobile terminal transmits the real-time set audio signal of the selected audio file to the left microcontroller in real time; the left microcontroller calculates a real-time noise audio signal based on the real-time environment audio signal and the real-time established audio signal; if the amplitude of the real-time noise audio signal is larger than the preset audio amplitude, the left microcontroller automatically increases the volume emitted by the neckband Bluetooth sound box until the amplitude of the real-time noise audio signal is smaller than the preset audio amplitude.
The directly measured audio signal includes an audio signal that the user wants to hear, such as music, and thus, the actual noise should be the difference between the measured audio and the audio selected by the user. When the intensity of the audio signal that the user wants to hear is sufficiently large, the actual noise can be covered. The method and the device can enable a user to completely not hear noise by adaptively adjusting the volume.
The left microcontroller judges whether a rule exists in the environmental noise based on the real-time noise audio signals, and if so, the left microcontroller transmits the rule to the mobile terminal; the mobile terminal finds a specific audio file which is in line with the rule from all audio files, and enables the neck-band Bluetooth sound box to play the specific audio file, so that the interference of environmental noise to a user is reduced under the condition of not increasing the volume.
The ears are in high decibel for a long time to cause hearing impairment, so that a rule of searching noise is applied, for example, the frequency of the audio wave peak is basically equal to the frequency of the audio wave peak of the noise, so that when the noise occurs or the noise sound is large, the volume of the section in the music in the plus sign is large, and the noise is covered ingeniously without increasing the volume.
The neck-belt Bluetooth sound box provided with the matched placing rack disclosed by the invention changes the mode that the traditional neck-type sound box completely uses hard materials, and the connecting piece adopts soft silica gel, so that the sound box can be more attached to a human body, and the comfort level of the human body is improved; the audio playing structure which is originally created and rotatable is matched with the large-area audio playing holes for use, so that the sound box can output audio in different directions based on different body types and even actions of a user, and the directional function of audio output is improved; the pressure sensor is matched with the wireless charging and transmitting assembly, so that the sound box can automatically supplement power based on the power condition of the sound box when being placed on the U-shaped component, and the sufficient power is guaranteed; the real environmental noise is identified based on a real-time audio comparison technology, and the influence of the environmental noise on a user is avoided through self-adaptive volume control; for the noise with regular rules, the music liked by the user with the same regular rules of the noise can be searched, and then the noise can be covered to the maximum extent under the condition that the hearing of the user is not further damaged.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. It is therefore intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.

Claims (3)

1. A neckband Bluetooth sound box provided with a matched placing rack is characterized in that the neckband Bluetooth sound box comprises a sound box left cavity, a sound box right cavity and a flexible silica gel connecting piece, and the placing rack comprises a base, a first connecting piece, a wireless power transmitting assembly, a second connecting piece and a U-shaped component; one end of the flexible silica gel connecting piece is directly connected with the left cavity of the sound box, and the other end of the flexible silica gel connecting piece is directly connected with the right cavity of the sound box; one end of the first connecting piece is directly connected with the base, the other end of the first connecting piece is directly connected with one end of the wireless power transmitting assembly, the other end of the wireless power transmitting assembly is directly connected with one end of the second connecting piece, and the other end of the second connecting piece is directly connected with the lowest part of the U-shaped member; when the neckband Bluetooth speaker is not used, the neckband Bluetooth speaker can be hung on the U-shaped member; when the neck belt Bluetooth sound box is hung on the U-shaped member, the contact position of the flexible silica gel connecting piece and the U-shaped member is adjusted, so that the left cavity of the sound box and the wireless power transmitting assembly are oppositely arranged, and the wireless power transmitting assembly and the right cavity of the sound box are oppositely arranged; the left cavity of the sound box comprises a left cavity shell, and a left rotating shaft, a left rotating motor, a left control circuit and a left audio circuit which are arranged in the left cavity shell; the right cavity of the sound box comprises a right cavity shell, and a right rotating shaft, a right rotating motor, a right control circuit and a right audio circuit which are arranged in the right cavity shell.
2. The neckband Bluetooth sound box equipped with a matching placement rack of claim 1, wherein the geometric center of the left cavity body shell is on the axis of the left rotating shaft, one end of the left rotating shaft is directly and fixedly connected with the left inner surface of the left cavity body shell, and the other end of the left rotating shaft is directly and fixedly connected with the right inner surface of the left cavity body shell; the left rotating motor is arranged on the inner surface of the left side or the inner surface of the right side of the left cavity shell and is directly connected with the left rotating shaft, so that the left rotating motor can drive the left rotating shaft to rotate when running; the left control circuit is arranged on the inner surface of the lower side of the left cavity shell; the left audio circuit is arranged on the left rotating shaft, so that the left audio circuit synchronously rotates when the left rotating shaft rotates;
the geometric center of the right cavity shell is positioned on the axis of the right rotating shaft, one end of the right rotating shaft is directly and fixedly connected with the inner surface of the left side of the right cavity shell, and the other end of the right rotating shaft is directly and fixedly connected with the inner surface of the right side of the right cavity shell; the right rotating motor is arranged on the inner surface of the left side or the inner surface of the right side of the right cavity shell and is directly connected with the right rotating shaft, so that the operation of the right rotating motor can drive the right rotating shaft to rotate; the right control circuit is arranged on the inner surface of the lower side of the right cavity shell; the right audio circuit is arranged on the right rotating shaft, so that the right audio circuit synchronously rotates when the right rotating shaft rotates.
3. The neckband Bluetooth speaker equipped with a supporting rack of claim 2, wherein the left control circuit comprises a left microcontroller, a left wireless power receiving module, a left battery; the right control circuit comprises a right microcontroller, a right wireless power receiving module and a right battery.
CN202010178061.2A 2020-03-14 2020-03-14 Neck area bluetooth speaker equipped with supporting rack Active CN111405394B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010178061.2A CN111405394B (en) 2020-03-14 2020-03-14 Neck area bluetooth speaker equipped with supporting rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010178061.2A CN111405394B (en) 2020-03-14 2020-03-14 Neck area bluetooth speaker equipped with supporting rack

Publications (2)

Publication Number Publication Date
CN111405394A CN111405394A (en) 2020-07-10
CN111405394B true CN111405394B (en) 2021-01-15

Family

ID=71414017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010178061.2A Active CN111405394B (en) 2020-03-14 2020-03-14 Neck area bluetooth speaker equipped with supporting rack

Country Status (1)

Country Link
CN (1) CN111405394B (en)

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160092643A (en) * 2015-01-28 2016-08-05 엘지전자 주식회사 Wireless charging system for a portable audio output device
CN106162414A (en) * 2016-09-09 2016-11-23 朝阳聚声泰（信丰）科技有限公司 Double track band audio amplifier bluetooth earphone
KR20160141380A (en) * 2014-06-11 2016-12-08 주식회사 이엠텍 Neck band type bluetooth speaker
CN205912234U (en) * 2016-06-30 2017-01-25 中山市优异工业设计有限公司 Novel motion audio amplifier
US9985596B1 (en) * 2017-05-15 2018-05-29 Bose Corporation Acoustic device
CN108377447A (en) * 2018-02-13 2018-08-07 潘海啸 A kind of portable wearable surround sound equipment
CN208337863U (en) * 2018-04-19 2019-01-04 东莞市斯惠威电子科技有限公司 A kind of Baffle Box of Bluetooth
CN208783009U (en) * 2018-09-18 2019-04-23 广州音雅达科技有限公司 Neck wears formula wireless acoustics
CN208956334U (en) * 2018-08-30 2019-06-07 深圳普罗声声学科技有限公司 Wireless charging system based on neck hanging type hearing device
CN209201274U (en) * 2019-03-05 2019-08-02 石小川 A kind of bluetooth extension neck speaker
CN110536210A (en) * 2019-10-09 2019-12-03 深圳市思坦科技有限公司 A kind of playback equipment
CN209787359U (en) * 2019-05-31 2019-12-13 深圳市依诺信科技有限公司 Portable bluetooth speaker of neck area
CN209806070U (en) * 2019-06-19 2019-12-17 重庆清文科技有限公司 Wearable directional sound system
CN209861089U (en) * 2019-05-23 2019-12-27 深圳市佑舍科技有限公司 Wear comfortable neck and hang bluetooth audio amplifier
US10542343B2 (en) * 2017-05-16 2020-01-21 Lg Electronics Inc. Portable sound equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202004952U (en) * 2011-05-03 2011-10-05 深圳市合智创盈电子有限公司 Multichannel earphone system
CN102780939B (en) * 2011-05-09 2015-06-24 淇誉电子科技股份有限公司 Hanging and wearing type multi-directional audible device
US10250973B1 (en) * 2017-11-06 2019-04-02 Bose Corporation Intelligent conversation control in wearable audio systems
KR102020145B1 (en) * 2018-02-28 2019-09-09 박수성 A case for wireless earphone
WO2019234939A1 (en) * 2018-06-08 2019-12-12 バブル ラボ カンパニー・リミテッド Acoustic device
CN209517475U (en) * 2019-01-26 2019-10-18 深圳市蓝禾技术有限公司 A kind of portable audio

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160141380A (en) * 2014-06-11 2016-12-08 주식회사 이엠텍 Neck band type bluetooth speaker
KR20160092643A (en) * 2015-01-28 2016-08-05 엘지전자 주식회사 Wireless charging system for a portable audio output device
CN205912234U (en) * 2016-06-30 2017-01-25 中山市优异工业设计有限公司 Novel motion audio amplifier
CN106162414A (en) * 2016-09-09 2016-11-23 朝阳聚声泰（信丰）科技有限公司 Double track band audio amplifier bluetooth earphone
US9985596B1 (en) * 2017-05-15 2018-05-29 Bose Corporation Acoustic device
US10542343B2 (en) * 2017-05-16 2020-01-21 Lg Electronics Inc. Portable sound equipment
CN108377447A (en) * 2018-02-13 2018-08-07 潘海啸 A kind of portable wearable surround sound equipment
CN208337863U (en) * 2018-04-19 2019-01-04 东莞市斯惠威电子科技有限公司 A kind of Baffle Box of Bluetooth
CN208956334U (en) * 2018-08-30 2019-06-07 深圳普罗声声学科技有限公司 Wireless charging system based on neck hanging type hearing device
CN208783009U (en) * 2018-09-18 2019-04-23 广州音雅达科技有限公司 Neck wears formula wireless acoustics
CN209201274U (en) * 2019-03-05 2019-08-02 石小川 A kind of bluetooth extension neck speaker
CN209861089U (en) * 2019-05-23 2019-12-27 深圳市佑舍科技有限公司 Wear comfortable neck and hang bluetooth audio amplifier
CN209787359U (en) * 2019-05-31 2019-12-13 深圳市依诺信科技有限公司 Portable bluetooth speaker of neck area
CN209806070U (en) * 2019-06-19 2019-12-17 重庆清文科技有限公司 Wearable directional sound system
CN110536210A (en) * 2019-10-09 2019-12-03 深圳市思坦科技有限公司 A kind of playback equipment

Also Published As

Publication number Publication date
CN111405394A (en) 2020-07-10

Similar Documents

Publication Publication Date Title
US11564420B2 (en) Wearable apparatus for wired or wireless charging of an electronic device
CN103200482B (en) Solar charging type Bluetooth earphone and the vehicle equipped with this bluetooth earphone
CN105491472A (en) Earphone, charging system and method for charging terminal through earphone
US20060122504A1 (en) Electronic subsystem with communication links
CN103905953A (en) Processing method and wearable electronic device
TWI242994B (en) Wireless earphone and its charging circuit and its charging method
CN111405394B (en) Neck area bluetooth speaker equipped with supporting rack
CN212115641U (en) Wireless charging earphone and wireless charging earphone system
CN205960378U (en) Audio converter
CN209845254U (en) Embedded earphone charging seat
CN106412785A (en) Multifunctional bone conduction hearing-aid
CN214677117U (en) Wireless pet calling device
US11979704B2 (en) Speaker utilizing voice coil for wireless charging
JPS63140753U (en)
CN209882039U (en) Earphone assembly
CN210298034U (en) Motion bluetooth headset with charging wire
CN106231465A (en) A kind of intelligence bone conduction earphone
CN208400485U (en) Portable denoiser
CN214129376U (en) Neck massager with music playing function
CN214675633U (en) Ultrasonic sensor array for ultrasonic directional sound equipment
CN211909122U (en) Bluetooth earphone
CN214125500U (en) Head-wearing earphone system
CN212811958U (en) Wireless microphone
CN214014475U (en) Waterproof bluetooth headset
CN214851736U (en) Reminding device of earphone

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 518000 Room 201, plant 1, No. 34, zhangyixin village, junzibu community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province

Patentee after: SHENZHEN E-RAN TECHNOLOGY CO.,LTD.

Address before: 518000 4th / 6th floor, 9 Xiangxiang Industrial Park, Tianbao Road, yingrenshi community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN E-RAN TECHNOLOGY CO.,LTD.