CN212677356U - Wireless charging Bluetooth earphone - Google Patents
Wireless charging Bluetooth earphone Download PDFInfo
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- CN212677356U CN212677356U CN202021764798.4U CN202021764798U CN212677356U CN 212677356 U CN212677356 U CN 212677356U CN 202021764798 U CN202021764798 U CN 202021764798U CN 212677356 U CN212677356 U CN 212677356U
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Abstract
The utility model discloses a wireless bluetooth headset that charges, include: the earphone comprises a first battery, a Hall pressure sensor and a working circuit, wherein the first battery supplies power to the working circuit and the Hall pressure sensor, the output of the Hall pressure sensor is connected with the working circuit through a relay switch, and the Hall pressure sensor is arranged in the ear inlet end of the earphone; the Hall pressure sensor comprises a voltage stabilizing circuit, a Hall element, a differential amplifier, a shaping circuit and an NPN triode, wherein the Hall element is connected with the first battery through the voltage stabilizing circuit, and two ends of the Hall element are respectively connected with the positive input end and the negative input end of the differential amplifier. The utility model discloses a bluetooth headset stopper advances the just automatic connection of ear, leaves the ear then automatic dormancy, can be more energy-conserving also more humanized, has realized contactless "wireless charging" simultaneously.
Description
Technical Field
The utility model belongs to the bluetooth headset field especially relates to a wireless bluetooth headset that charges.
Background
With the development of intelligent mobile devices, the market of wireless headsets is also developing vigorously. The wireless Bluetooth headset in the current market is generally combined with a charging cabin, the headset is automatically started up when being taken out of the charging cabin, and is automatically connected with matched Bluetooth equipment such as a mobile phone; the earphone is put into the charging cabin and is contacted and charged through two or three contact electrodes and the charging cabin, and actually, the charging cabin is not 'wireless charging' in the true sense, and contact failure or insufficient dustproof and waterproof sealing performance can exist in the contact point. The charging cabin is generally provided with a digital display screen for displaying electric quantity, an input charging interface and a USB charging output interface, and only supports the charging of a wired output mobile phone.
In addition, the conventional wireless headset is started when the wireless headset leaves the charging cabin, but in a daily use scene, the headset is not only in the charging cabin and plugged in ears, but is often temporarily placed on a desk, a pocket or a carry-on bag, and at the moment, the headset and the mobile phone are still in a connection state, so that the embarrassment that the mobile phone cannot receive and respond in time when the mobile phone calls or information notifications are received can be caused, and the mobile phone and the headset are more power-consuming in a Bluetooth connection state.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a wireless bluetooth headset that charges accomplishes wireless charging, has avoided the drawback that the contact charges to improve the mode of triggering of earphone connection bluetooth, it is more energy-concerving and environment-protective.
In order to achieve the above object, the utility model adopts the following technical scheme:
a wireless charging bluetooth headset, comprising: the earphone comprises a first battery, a Hall pressure sensor and a working circuit, wherein the first battery supplies power to the working circuit and the Hall pressure sensor, the output of the Hall pressure sensor is connected with the working circuit through a relay switch, and the Hall pressure sensor is arranged in the ear inlet end of the earphone; the Hall pressure sensor comprises a voltage stabilizing circuit, a Hall element, a differential amplifier, a shaping circuit and an NPN triode, wherein the Hall element is connected with the first battery through the voltage stabilizing circuit, two ends of the Hall element are respectively connected with a positive input end and a negative input end of the differential amplifier, an output end of the differential amplifier is connected with a base electrode of the NPN triode through the shaping circuit, an emitting electrode of the NPN triode is grounded, a collecting electrode of the differential amplifier is connected with an output end of the Hall pressure sensor, and a load resistor R is connected between the input end and the output end of the Hall pressure sensor.
Preferably, the relay switch is a fast-opening delay-closing relay switch.
The optimization effect that this optimization scheme brought reduces earphone standby energy consumption, realizes only when the earphone fills in the ear in the activation of hall pressure sensor make the relay switch on, when the earphone takes out the ear, does not fill in the ear again in the certain time, the relay switch disconnection, closes working circuit promptly, saves power consumptively.
Preferably, the earphone further comprises a first microcontroller, a voltage detection device, a wireless signal transmitter and a first induction coil, wherein the first battery is used for supplying power to the first microcontroller, the voltage detection device, the wireless signal transmitter and the earphone working circuit, the first microcontroller is respectively electrically connected with the voltage detection device and the wireless signal transmitter, the voltage detection device is electrically connected with the first battery, and the first induction coil is used for charging the first battery; the charging cabin comprises a second battery, a second microcontroller, a wireless signal receiver and a first exciting coil, the second battery is used for supplying power to the second microcontroller, the wireless signal receiver and the first exciting coil, and the second microcontroller is respectively electrically connected with the wireless signal receiver and the first exciting coil.
More preferably, the voltage detection device is configured to detect a voltage of the first battery and output a feedback signal to the first microcontroller, and the first microcontroller is configured to receive the feedback signal and output a charging signal or a charging stop signal to the wireless signal transmitter; the voltage detection device is used for triggering detection when the first induction coil is conducted.
More preferably, the feedback signal includes a first signal and a second signal, the voltage detection device outputs the first signal when detecting that the voltage of the first battery is less than a first voltage threshold, and the voltage detection device outputs the second signal when detecting that the voltage of the first battery is greater than a second voltage threshold; the first microcontroller outputs a charging signal under the condition of receiving the first signal, and the first microcontroller outputs a charging stop signal under the condition of receiving the second signal.
More preferably, the wireless signal transmitter is in wireless communication connection with the wireless signal receiver, and the wireless signal transmitter is configured to send the received charging signal or charging stop signal to the second microcontroller through the wireless signal receiver.
More preferably, the second microcontroller triggers the first excitation coil to conduct when receiving a charging signal, and triggers the first excitation coil to not conduct when receiving a charging stopping signal.
More preferably, the second battery is connected with a display screen and an electronic switch, and the display screen is used for displaying the electric quantity of the second battery; the electronic switch is used for activating or closing the second battery, the electronic switch is electrically connected with the second microcontroller, and the electronic switch is closed to trigger the second microcontroller to control the first exciting coil to be conducted.
More preferably, the second battery is connected with an external charging interface supporting USB wired charging, and the external charging interface is used for charging the mobile terminal.
More preferably, the mobile terminal comprises a second induction coil, the charging cabin further comprises a second excitation coil, the second battery supplies power to the second excitation coil, and the second excitation coil is in signal connection with the second microcontroller.
Compared with the prior art, the beneficial effects of the utility model are that:
1. a wireless bluetooth headset that charges's earphone pass through hall pressure sensor and trigger, just automatic connection bluetooth of mobile phone into the ear when the earphone stopper, leave the ear then automatic dormancy and disconnection bluetooth connect, can make bluetooth headset and cell-phone all energy-conserving also more humanized more.
2. A wireless bluetooth headset that charges realized contactless "wireless charging", increase the dustproof and waterproof sealing performance in earphone and the cabin that charges.
3. A wireless bluetooth headset that charges's cabin of charging can regard as the treasured that charges to use, can charge for the cell-phone is wired or wireless, realized a tractor serves several purposes, bring bigger facility for the user.
Drawings
Fig. 1 is the utility model discloses a wireless bluetooth headset outside schematic diagram that charges.
Fig. 2 is a schematic diagram of an internal circuit of the hall pressure sensor according to the present invention.
Fig. 3 is a schematic diagram of an external circuit of the hall pressure sensor according to the present invention.
Fig. 4 is a schematic diagram of the earphone structure of the present invention.
Fig. 5 is a schematic diagram of the charging cabin of the present invention.
Wherein, 1, earphone; 2. a charging cabin; 3. a first battery; 4. a first microcontroller; 5. a voltage detection device; 6. a wireless signal transmitter; 7. a first induction coil; 8. a second battery; 9. a second microcontroller; 10. a wireless signal receiver; 11. a first excitation coil; 12. the device comprises a Hall pressure sensor 121, a voltage stabilizing circuit 122, a Hall element 123, a differential amplifier 124 and a shaping circuit; 13. a working circuit; 14. an external charging interface; 15. a second excitation coil; 16. a display screen; 17. an electronic switch.
Detailed Description
For a better understanding of the present invention, the contents of the present invention will be further clarified below with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples.
Examples
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are all the directions or positional relationships shown on the drawings, and the objects are only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the parts indicated must have a specific direction, be constructed and operated in a specific direction, and thus, are not to be construed as limiting the present invention.
A wireless charging bluetooth headset, comprising: the earphone comprises an earphone 1 and a charging cabin 2, wherein the charging cabin 2 is used for charging the earphone 1, and the earphone 1 comprises a first battery 3, a Hall pressure sensor 12 and a working circuit 13. The first battery 3 supplies power to the Hall pressure sensor 12 and the working circuit 13, the output of the Hall pressure sensor 12 is connected with the working circuit 13 through a relay switch, and the Hall pressure sensor 12 is arranged in the ear-entering end of the earphone 1.
The hall pressure sensor 12 comprises a voltage stabilizing circuit 121, a hall element 122, a differential amplifier 123, a shaping circuit 124 and an NPN triode, wherein the hall element 122 is connected with the first battery 3 through the voltage stabilizing circuit 121, two ends of the hall element 122 are respectively connected with a positive input end and a negative input end of the differential amplifier 123, an output end of the differential amplifier 123 is connected with a base electrode of the NPN triode through the shaping circuit 124, an emitter electrode of the NPN triode is grounded, a collector electrode of the NPN triode is connected with an output end of the hall pressure sensor, and a load resistor R is connected between the input end and the output end of the. After the pressure extrusion is received, the hall element 122 and a magnetic system in the hall pressure sensor 12 generate relative displacement, and a magnetic field acting on the hall element 122 is changed, so that the output voltage of the hall pressure sensor 12 is changed, namely when the hall pressure sensor 12 is not extruded, the hall pressure sensor 12 outputs low voltage, and a relay switch is not conducted; when the hall pressure sensor 12 is pressed, the hall pressure sensor 12 outputs high voltage, and the relay switch is energized.
The relay switch can select a relay switch which is opened quickly and closed in a delayed mode. The hall pressure sensor 12 is activated when it is subjected to a certain pressure and is turned off with a delay when the no-pressure condition is restored, the delay time being selectable to be 30-60 seconds. I.e. the hall pressure sensor 12 in the headset 1 is activated so that the relay switch is conductive only when the headset 1 is plugged into the ear. The working circuit 13 is used for triggering the bluetooth connected with the mobile terminal, entering a wireless connection state, playing music calls and the like. When the earphone 1 is taken out of the ear, the ear is not plugged again within a certain time, the relay switch is switched off, namely the working circuit 13 is closed, and the power consumption is saved.
The earphone 1 further comprises a first microcontroller 4, a voltage detection device 5, a wireless signal emitter 6 and a first induction coil 7, the first battery 3 is used for supplying power to the first microcontroller 4, the voltage detection device 5, the wireless signal emitter 6 and an earphone 1 working circuit 13, the first microcontroller 4 is respectively electrically connected with the voltage detection device 5 and the wireless signal emitter 6, the voltage detection device 5 is electrically connected with the first battery 3, and the first induction coil 7 is used for charging the first battery 3. In the present embodiment, the voltage detection device 5 may be a voltage sensor or the like.
The charging cabin 2 comprises a second battery 8, a second microcontroller 9, a wireless signal receiver 10 and a first exciting coil 11, the second battery 8 is used for supplying power to the second microcontroller 9, the wireless signal receiver 10 and the first exciting coil 11, and the second microcontroller 9 is electrically connected with the wireless signal receiver 10 and the first exciting coil 11 respectively. The second battery 8 is charged by connecting an external charging head with 220V alternating current.
The voltage detection device 5 is used for detecting the voltage of the first battery 3 and outputting a feedback signal to the first microcontroller 4, and the first microcontroller 4 is used for receiving the feedback signal and outputting a charging signal or a charging stopping signal to the wireless signal transmitter 6. The voltage detection means 5 triggers the detection when the first induction coil 7 is conducting.
The feedback signal includes a first signal and a second signal, which may be high and low. The voltage detection device 5 outputs a first signal when detecting that the voltage of the first battery 3 is smaller than a first voltage threshold, and the voltage detection device 5 outputs a second signal when detecting that the voltage of the first battery 3 is larger than a second voltage threshold. The first microcontroller 4 outputs a charging signal when receiving the first signal, and the first microcontroller 4 outputs a charge stop signal when receiving the second signal.
The wireless signal transmitter 6 is in wireless communication connection with the wireless signal receiver 10, and the wireless signal transmitter 6 is configured to send the received charging signal or the charging stop signal to the second microcontroller 9 through the wireless signal receiver 10.
When receiving the charging signal, the second microcontroller 9 triggers the first excitation coil 11 to be conducted, and at this time, the first excitation coil 11 generates an alternating magnetic field through alternating current in the first excitation coil 11, so that the first induction coil 7 is influenced to generate induction electric energy, and the first battery 3 is charged through the rectification voltage stabilizing circuit 121.
When receiving the stop signal, the second microcontroller 9 triggers the first excitation coil 11 to be non-conductive, i.e. without charging the first battery 3.
The second battery 8 is connected with a display screen 16 and an electronic switch 17, and the display screen 16 is used for displaying the electric quantity of the second battery 8. The electronic switch 17 is used for activating or closing the second battery 8, the electronic switch 17 is electrically connected with the second microcontroller 9, and the electronic switch 17 is closed to trigger the second microcontroller 9 to control the first exciting coil 11 to be conducted. The electronic switch 17 can be selected from a common button type or an automatic opening mode when an end cover of the charging chamber 2 is opened. After the electronic switch 17 is closed to trigger the second microcontroller 9 to control the first exciting coil 11 to be conducted, the first induction coil 7 induces and generates current, and meanwhile, the trigger voltage detection device 5 detects the electric quantity of the first battery 3 to judge whether charging is needed.
The charging cabin 2 can also realize one machine with multiple purposes and can also charge mobile terminals such as mobile phones. The second battery 8 is connected with an external charging interface 14 supporting USB wired charging, and the external charging interface 14 is used for charging the mobile terminal.
In addition, the charging bay 2 also supports wireless charging. The mobile terminal comprises a second induction coil, the charging cabin 2 further comprises a second excitation coil 15, the second battery 8 supplies power to the second excitation coil 15, and the second excitation coil 15 is in signal connection with the second microcontroller 9. When the charging cabin 2 needs to charge the mobile phone, an alternating magnetic field is generated in the second exciting coil 15 through alternating current, so that the second induction coil in the mobile phone generates current to charge the mobile phone battery. The second induction coil may be provided at the bottom or at the side of the charging compartment 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A wireless charging Bluetooth headset, comprising: the earphone comprises a first battery, a Hall pressure sensor and a working circuit, wherein the first battery supplies power to the working circuit and the Hall pressure sensor, the output of the Hall pressure sensor is connected with the working circuit through a relay switch, and the Hall pressure sensor is arranged in the ear inlet end of the earphone; the Hall pressure sensor comprises a voltage stabilizing circuit, a Hall element, a differential amplifier, a shaping circuit and an NPN triode, wherein the Hall element is connected with the first battery through the voltage stabilizing circuit, two ends of the Hall element are respectively connected with a positive input end and a negative input end of the differential amplifier, an output end of the differential amplifier is connected with a base electrode of the NPN triode through the shaping circuit, an emitting electrode of the NPN triode is grounded, a collecting electrode of the differential amplifier is connected with an output end of the Hall pressure sensor, and a load resistor R is connected between the input end and the output end of the Hall pressure sensor.
2. The wireless charging Bluetooth headset of claim 1, wherein the relay switch is a fast-open delayed-close relay switch.
3. The wireless charging bluetooth headset of claim 1, wherein the headset further comprises a first microcontroller, a voltage detection device, a wireless signal transmitter and a first induction coil, the first battery is used for supplying power to the first microcontroller, the voltage detection device, the wireless signal transmitter and the headset operating circuit, the first microcontroller is electrically connected with the voltage detection device and the wireless signal transmitter respectively, the voltage detection device is electrically connected with the first battery, and the first induction coil is used for charging the first battery; the charging cabin comprises a second battery, a second microcontroller, a wireless signal receiver and a first exciting coil, the second battery is used for supplying power to the second microcontroller, the wireless signal receiver and the first exciting coil, and the second microcontroller is respectively electrically connected with the wireless signal receiver and the first exciting coil.
4. The wireless charging bluetooth headset of claim 3, wherein the voltage detection device is configured to detect a voltage of the first battery and output a feedback signal to the first microcontroller, and the first microcontroller is configured to receive the feedback signal and output a charging signal or a charging stop signal to the wireless signal transmitter; the voltage detection device is used for triggering detection when the first induction coil is conducted.
5. The wireless charging bluetooth headset of claim 4, wherein the feedback signal comprises a first signal and a second signal, the voltage detection device outputs the first signal when detecting that the voltage of the first battery is less than a first voltage threshold, and the voltage detection device outputs the second signal when detecting that the voltage of the first battery is greater than a second voltage threshold; the first microcontroller outputs a charging signal under the condition of receiving the first signal, and the first microcontroller outputs a charging stop signal under the condition of receiving the second signal.
6. The wireless charging Bluetooth headset of claim 4, wherein the wireless signal transmitter is in wireless communication with the wireless signal receiver, and the wireless signal transmitter is configured to transmit the received charging signal or charging stop signal to the second microcontroller through the wireless signal receiver.
7. The wireless charging Bluetooth headset of claim 6, wherein the second microcontroller triggers the first excitation coil to conduct when receiving a charging signal, and triggers the first excitation coil to not conduct when receiving a charging stop signal.
8. The wireless charging Bluetooth headset of claim 3, wherein the second battery is connected with a display screen and an electronic switch, and the display screen is used for displaying the power of the second battery; the electronic switch is used for activating or closing the second battery, the electronic switch is electrically connected with the second microcontroller, and the electronic switch is closed to trigger the second microcontroller to control the first exciting coil to be conducted.
9. The wireless charging Bluetooth headset of claim 3, wherein the second battery is connected with an external charging interface supporting USB wired charging, and the external charging interface is used for charging the mobile terminal.
10. The wireless charging bluetooth headset of claim 9, wherein the mobile terminal comprises a second induction coil, the charging chamber further comprises a second excitation coil, the second battery supplies power to the second excitation coil, and the second excitation coil is in signal connection with the second microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764798.4U CN212677356U (en) | 2020-08-21 | 2020-08-21 | Wireless charging Bluetooth earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764798.4U CN212677356U (en) | 2020-08-21 | 2020-08-21 | Wireless charging Bluetooth earphone |
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| CN212677356U true CN212677356U (en) | 2021-03-09 |
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| CN202021764798.4U Active CN212677356U (en) | 2020-08-21 | 2020-08-21 | Wireless charging Bluetooth earphone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252228A1 (en) * | 2021-06-04 | 2022-12-08 | 苏州臻迪智能科技有限公司 | Charging apparatus and gimbal apparatus |
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- 2020-08-21 CN CN202021764798.4U patent/CN212677356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252228A1 (en) * | 2021-06-04 | 2022-12-08 | 苏州臻迪智能科技有限公司 | Charging apparatus and gimbal apparatus |
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