CN210745530U - Head earphone - Google Patents
Head earphone Download PDFInfo
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- CN210745530U CN210745530U CN201922495920.6U CN201922495920U CN210745530U CN 210745530 U CN210745530 U CN 210745530U CN 201922495920 U CN201922495920 U CN 201922495920U CN 210745530 U CN210745530 U CN 210745530U
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Abstract
The utility model relates to an earphone design technical field discloses a headphone, and headphone includes: the LED lamp comprises a metal connecting piece, a processing module, an LED driving chip and an LED lamp which are sequentially connected; wherein the metal connecting piece is positioned on the outer surface of the earshell of the headset and is in contact with a user when the headset is worn by the user; and the processing module is used for acquiring the current capacitance value of the metal connecting piece and judging whether the headset is in a worn state, and when the headset is not in the worn state, the processing module generates a driving signal and transmits the driving signal to the LED driving chip to drive the LED lamp. Whether the earphone is in a worn state or not is judged through the characteristic that the capacitance value can change when the metal connecting piece in the headset contacts with a human body, and then whether the LED lamp is driven or not is determined, so that the earphone can be conveniently and quickly used for lighting.
Description
Technical Field
The utility model relates to an earphone design technical field especially relates to a headphone.
Background
With the progress of science and technology, the headset gradually enters the public life, people can listen to music and make a call by using the headset, and new requirements are added to the functions of the headset.
Disclosure of Invention
The main object of the utility model is to provide a headphone, aim at solving how convenient and fast ground is used for the technical problem of illumination with the earphone fast.
In order to achieve the above object, the present invention provides a headphone, which includes: the LED lamp comprises a metal connecting piece, a processing module, an LED driving chip and an LED lamp which are sequentially connected; wherein the metal connector is located on an outer surface of an earshell of the headset, the metal connector being in contact with a user when the headset is worn by the user;
the processing module is used for acquiring the current capacitance value of the metal connecting piece and judging whether the headset is in a worn state or not according to the current capacitance value;
the processing module is further configured to generate a driving signal and transmit the driving signal to the LED driving chip when the headset is not worn;
and the LED driving chip is used for driving the LED lamp when receiving the driving signal.
Preferably, the processing module comprises: an operation chip and a Bluetooth chip;
the operation chip is used for acquiring the current capacitance value of the metal connecting piece, calculating a current reference value and a change value according to the current capacitance value, and transmitting the current reference value and the change value to the Bluetooth chip;
the Bluetooth chip is used for judging whether the headset is in a worn state according to the difference value between the current reference value and the change value;
the Bluetooth chip is further used for generating a control signal when the headset is not worn and transmitting the control signal to the LED driving chip.
Preferably, the bluetooth chip is further configured to calculate a difference between the current reference value and the variation value;
the Bluetooth chip is also used for comparing the difference value with a preset difference value threshold value;
the Bluetooth chip is further used for judging whether the headset is in a worn state according to the comparison result.
Preferably, the headset further comprises a battery module and an LDO chip;
the battery module is used for providing power for the headset;
the LDO chip is used for receiving the initial voltage transmitted by the battery module;
the LDO chip is also used for carrying out voltage reduction processing on the initial voltage to obtain a target voltage;
the LDO chip is also used for transmitting the target voltage to the operation chip for power supply.
Preferably, the headset further comprises a switching circuit;
the switching circuit is used for controlling the on/off state of the headset.
Preferably, the metal connector is a copper foil.
Preferably, the processor module acquires the current capacitance value of the metal connector through a Don/off signal.
Preferably, the operation chip is a Cap Sensor IC chip.
The utility model provides a headset, headset includes: the LED lamp comprises a metal connecting piece, a processing module, an LED driving chip and an LED lamp which are sequentially connected; wherein the metal connector is located on an outer surface of an earshell of the headset, the metal connector being in contact with a user when the headset is worn by the user; the processing module is used for acquiring the current capacitance value of the metal connecting piece and judging whether the headset is in a worn state or not according to the current capacitance value; the processing module is further configured to generate a driving signal and transmit the driving signal to the LED driving chip when the headset is not worn; and the LED driving chip is used for driving the LED lamp when receiving the driving signal. Whether the earphone is in a worn state or not is judged through the characteristic that the capacitance value can change when the metal connecting piece in the headset contacts with a human body, and then whether the LED lamp is driven or not is determined, so that the earphone can be conveniently and quickly used for lighting.
Drawings
Fig. 1 is a functional block diagram of a first embodiment of the headset according to the present invention;
fig. 2 is a functional block diagram of a second embodiment of the headset according to the present invention;
fig. 3 is a functional block diagram of a third embodiment of the headset according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a block diagram illustrating a first embodiment of a headset according to the present invention. The headset includes: the LED lamp comprises a metal connecting piece 10, a processing module 20, an LED driving chip 30 and an LED lamp 40 which are connected in sequence; wherein the metal connector 10 is located on an outer surface of an earshell of the headset, the metal connector being in contact with a user when the headset is worn by the user;
the processing module 20 is configured to obtain a current capacitance value of the metal connecting part 10, and determine whether the headset is in a worn state according to the current capacitance value.
It should be noted that the headset may be a bluetooth headset, the capacitance of the metal connector 10 may change when the metal connector contacts with a human body, the metal connector may be a copper foil, or may also be other metals or other forms, such as an aluminum foil, a copper block, etc., which is not limited in this embodiment, and in this embodiment, the metal connector 10 is taken as a copper foil for example.
It should be understood that the copper foil is located on the outer surface of the ear shell of the earphone, when the headphone is worn by a user, the copper foil can contact with the body of the user, the copper foil is used for sensing whether the headphone contacts with the human organs such as the ears and the hands of the user, and the copper foil has a certain capacitance value according to the fact that the copper foil has a certain capacitance value, when the human organs such as the ears and the hands contact with the ear shell with the copper foil, the capacitance value on the copper foil can change, and the change of the capacitance value is related to the distance between the human organs and the copper foil, the contact area and the like.
It can be understood that, according to the above characteristics of the copper foil, the current capacitance value of the copper foil can be obtained, and whether the headset is in the worn state is determined according to the current capacitance value, it should be understood that the worn state refers to a worn state in a broad sense.
The processing module 20 is further configured to generate a driving signal when the headset is not in a worn state, and transmit the driving signal to the LED driving chip 30.
It should be understood that when the headset is not in a worn state, i.e., when the copper foil is not in contact with the human body, the driving signal is generated and transmitted to the LED driving chip 30.
The LED driving chip 30 is configured to drive the LED lamp 40 when receiving the driving signal.
It is understood that the LED driving chip 30 drives the LED lamp 40 to illuminate when receiving the driving signal.
It is understood that the LED lamps 40 may be disposed on the headset, and the specific positions and numbers thereof may be set according to practical situations, which is not limited by the embodiment.
Further, the processing module 20 is further configured to generate a shutdown signal when the headset is in a worn state, and transmit the shutdown signal to the LED driving chip 30; the LED driving chip 30 is further configured to turn off the LED lamp 40 when receiving the turn-off signal.
It should be understood that when the headset is in a worn state, i.e., when the copper foil is in contact with a human body, a turn-off signal is generated and transmitted to the LED driving chip, and the LED driving chip turns off the LED lamp to turn off the lighting function when receiving the turn-off signal.
In the concrete implementation, the description can be made according to the following scenes, for example, a user a walks on the road while listening to songs with a headset at night, walks on the road without a street lamp in front, and is hard to see the road clearly, at this time, the user a only needs to take off the headset, the headset starts the lighting function, drives the LED lamp on the headset to illuminate the road on the ground, and after walking on the road without the street lamp, the user a does not need to perform other operations, directly wears the headset to listen to songs and then turns off the lighting function, that is, the user a can directly carry an additional lighting tool to perform fast lighting through the headset, and does not need to perform operations such as pressing a switch key or voice control, and can realize the turning on and turning off of the lighting function only by picking off and wearing the headset, for music enthusiasts, especially for music enthusiasts who enjoy walking with the headset at night, the safety at night can be greatly improved, the occurrence of dangerous events caused by the fact that the user cannot see the road clearly is avoided, and the control mode is convenient and fast and is not complex.
In this embodiment, with the above scheme, the headset includes: the LED lamp comprises a metal connecting piece 10, a processing module 20, an LED driving chip 30 and an LED lamp 40 which are connected in sequence; wherein the metal connection 40 is located on an outer surface of an earshell of the headset, the metal connection being in contact with a user when the headset is worn by the user; the processing module 20 is configured to obtain a current capacitance value of the metal connecting part, and determine whether the headset is in a worn state according to the current capacitance value; the processing module 20 is further configured to generate a driving signal when the headset is not in a worn state, and transmit the driving signal to the LED driving chip 30; the LED driving chip 30 is configured to drive the LED lamp 40 when receiving the driving signal. Whether the earphone is in a worn state or not is judged through the characteristic that the capacitance value can be changed when the metal connecting piece in the headset is in contact with a human body, and then whether the LED lamp 40 is driven or not is determined, so that the earphone can be conveniently and quickly used for lighting.
Further, referring to fig. 2, fig. 2 is a block diagram of a second embodiment of the headset according to the present invention, and based on the embodiment shown in fig. 1, the second embodiment of the headset according to the present invention is proposed, where the processing module includes: an operation chip 201 and a Bluetooth chip 202;
the operation chip 201 is configured to obtain a current capacitance value of the metal connecting part 10, calculate a current reference value and a change value according to the current capacitance value, and transmit the current reference value and the change value to the bluetooth chip.
It should be noted that the processing module includes an arithmetic chip 201 and a bluetooth chip 202, and the arithmetic chip 201 may be a Cap Sensor IC chip, or may also be another chip capable of implementing the same or similar functions, which is not limited in this embodiment.
It should be understood that, the manner of obtaining the current capacitance value of the copper foil by the operation chip 201 is that the copper foil transmits the current capacitance value of the copper foil to the operation chip 201 as a Don/off signal, after the operation chip 201 receives the current capacitance value, the current reference value and the change value are calculated according to the current capacitance value and transmitted to the bluetooth chip 202, and the bluetooth chip 202 determines whether the headset is in a worn state according to the current reference value and the change value, where the reference value is set inside the operation chip and is changed by the influence of the environment such as temperature and humidity, and the change of the reference value is very small in a relatively stable environment.
In a specific implementation, when the operation chip 201 is a Cap Sensor IC chip, the Cap Sensor IC chip calculates two corresponding values, namely, Baseline and raw, according to the current capacitance value and its own algorithm, the Baseline value has a very small variation range under various conditions, and can be used as a fixed value, and the raw data value can be changed along with the difference of the current capacitance value, that is, the Baseline value can be used as the current reference value, the raw data value can be used as the variation value, and the two values are sent to the bluetooth chip, and the bluetooth chip determines whether the headset is in a worn state according to the difference between the current reference value and the variation value.
The bluetooth chip 202 is configured to determine whether the headset is in a worn state according to the difference between the current reference value and the change value.
The bluetooth chip 202 calculates a difference between the current reference value and the variation value, the bluetooth chip 202 compares the difference with a preset difference threshold, and the bluetooth chip determines whether the headset is worn according to the comparison result.
It should be understood that, when receiving the current reference value and the change value, the bluetooth chip 202 calculates a difference value between the current reference value and the change value, where the difference value is used to represent a change range of the capacitance, then compares the difference value with a preset difference threshold value, and determines whether the headset is in a worn state according to a comparison result.
It can be understood that the reference value is set inside the operation chip and is changed under the influence of the environment such as temperature and humidity, and the change of the reference value is particularly small in a relatively stable environment.
In a specific implementation, after a difference value between the reference value and the variation value is calculated, the difference value is compared with a preset difference threshold value, and if the difference value is less than or equal to the preset difference threshold value, it is determined that the headset is not in a wearing state; and if the difference value is larger than the preset difference value threshold value, judging that the headset is in a wearing state.
The bluetooth chip 202 is further configured to generate a control signal when the headset is not in a worn state, and transmit the control signal to the LED driving chip 30.
Further, the determining, by the bluetooth chip 202, whether the headset is in a worn state according to the reference value and the variation value includes:
the bluetooth chip 202 calculates a difference between the reference value and the variation value, the bluetooth chip compares the difference with a preset difference threshold, and the bluetooth chip 202 determines whether the headset is worn according to a comparison result.
It should be understood that, when receiving the reference value and the variation value, the bluetooth chip 202 calculates a difference value between the reference value and the variation value, where the difference value is used to represent a variation range of the copper foil capacitance value, then compares the difference value with a preset difference threshold value, and determines whether the headset is in a worn state according to the comparison result.
It can be understood that the preset difference threshold is set according to actual conditions, because the copper foil is not contacted with a human body sometimes, but the copper foil is also affected due to factors such as temperature environment, etc., so that the capacitance value of the copper foil changes, and therefore, a preset difference threshold can be preset to avoid capacitance value errors caused by such conditions.
In a specific implementation, after the difference value is calculated, the difference value is compared with a preset difference value threshold value, and if the difference value is smaller than or equal to the preset difference value threshold value, the headset is judged not to be in a wearing state; and if the difference value is larger than the preset difference value threshold value, judging that the headset is in a wearing state.
Accordingly, the processing module generates a driving signal and transmits the driving signal to the LED driving chip 30 when the headset is not in a worn state, including:
the bluetooth chip 202 generates a control signal when the headset is not in a worn state, and transmits the control signal to the LED driving chip 30.
It can be understood that the processing module includes an operation chip 201 and a bluetooth chip 202, and in particular, the bluetooth chip 202 generates a control signal when the headset is not worn, and transmits the control signal to the LED driving chip.
In the scheme provided by this embodiment, the current capacitance value of the metal connecting part 10 is obtained through the operation chip 201, the current reference value and the change value are calculated according to the current capacitance value, and the reference value and the change value are transmitted to the bluetooth chip 202, and the bluetooth chip 202 determines whether the headset is in a worn state according to the current reference value and the change value, so that the accuracy of determining whether the headset is in a worn state is improved, and the accuracy of turning on the lighting function is improved.
Further, referring to fig. 3, fig. 3 is a block diagram of a third embodiment of the headset according to the present invention, based on the embodiment shown in fig. 1 or fig. 2, the third embodiment of the headset according to the present invention is proposed, and the headset further includes a battery module 50 to be described based on fig. 2:
the battery module 50 is used for providing power for the headset.
It should be noted that the battery module may be a lithium battery, and may also be other types of batteries, which is not limited in this embodiment.
It should be understood that the headset further includes a switching circuit that controls the on/off state of the entire headset, and that the above steps are only performed when the switching circuit is in the closed state.
It can be understood that the switch circuit may be combined with the earphone playing function of the headset, that is, the switch circuit may be closed when the earphone is used to listen to a song or to talk, or the switch may be set separately, and the switch circuit may be closed when the user needs to use, which may be implemented in any way, and this embodiment does not limit this.
Further, the headset further includes an LDO chip 60;
the LDO chip 60 is configured to receive the initial voltage transmitted by the battery module.
It is understood that LDO chip 60 may convert the voltage of battery module 50 into an operating voltage acceptable to an operating chip.
It should be understood that, since the operating voltage of the computing chip 201 may not support the voltage output by the battery module, the battery voltage may be too large, and therefore, in order to protect the safety of the computing chip 201 and enable the computing chip to be in an optimal operating state, the LDO chip 60 is required to step down the initial voltage transmitted by the battery module 50 to make it conform to the optimal operating voltage of the computing chip.
The LDO chip 60 is configured to perform a voltage reduction process on the initial voltage to obtain a target voltage.
It can be understood that the LDO chip steps down the initial voltage to obtain a target voltage, which may make the operation chip in an optimal operation state.
The LDO chip 60 is configured to transmit the target voltage to the operation chip 201 for power supply.
According to the scheme provided by the embodiment, the battery module provides power for the headset, and the LDO chip converts the initial voltage output by the battery module into the target voltage suitable for the operation of the operation chip, so that the operation chip can normally operate, and the operation chip is in the optimal operation state.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A headset, characterized in that the headset comprises: the LED lamp comprises a metal connecting piece, a processing module, an LED driving chip and an LED lamp which are sequentially connected; wherein the metal connector is located on an outer surface of an earshell of the headset, the metal connector being in contact with a user when the headset is worn by the user;
the processing module is used for acquiring the current capacitance value of the metal connecting piece and judging whether the headset is in a worn state or not according to the current capacitance value;
the processing module is further configured to generate a driving signal and transmit the driving signal to the LED driving chip when the headset is not worn;
and the LED driving chip is used for driving the LED lamp when receiving the driving signal.
2. The headset of claim 1, wherein the processing module comprises: an operation chip and a Bluetooth chip;
the operation chip is used for acquiring the current capacitance value of the metal connecting piece, calculating a current reference value and a change value according to the current capacitance value, and transmitting the current reference value and the change value to the Bluetooth chip;
the Bluetooth chip is used for judging whether the headset is in a worn state according to the difference value between the current reference value and the change value;
the Bluetooth chip is further used for generating a control signal when the headset is not worn and transmitting the control signal to the LED driving chip.
3. The headset of claim 2, wherein the bluetooth chip is further configured to calculate a difference between the current reference value and the variation value;
the Bluetooth chip is also used for comparing the difference value with a preset difference value threshold value;
the Bluetooth chip is further used for judging whether the headset is in a worn state according to the comparison result.
4. The headset of claim 2, wherein the headset further comprises a battery module and an LDO chip;
the battery module is used for providing power for the headset;
the LDO chip is used for receiving the initial voltage transmitted by the battery module;
the LDO chip is also used for carrying out voltage reduction processing on the initial voltage to obtain a target voltage;
the LDO chip is also used for transmitting the target voltage to the operation chip for power supply.
5. The headset of claim 1, wherein the processing module is further configured to generate a turn-off signal and transmit the turn-off signal to the LED driving chip when the headset is in a worn state;
the LED driving chip is further used for turning off the LED lamp when receiving the turning-off signal.
6. The headset of claim 4, wherein the LDO chip is connected to the battery module and the arithmetic chip, respectively.
7. A headset according to any of claims 1-6, characterized in that the headset further comprises a switching circuit;
the switching circuit is used for controlling the on/off state of the headset.
8. The headphone of any of claims 1-6, wherein the metal connector is a copper foil.
9. The headset of any one of claims 1-6, wherein the processing module obtains the current capacitance value of the metal connector via a Don/off signal.
10. The headphone of claim 2, wherein the arithmetic chip is a Cap sensor IC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495920.6U CN210745530U (en) | 2019-12-31 | 2019-12-31 | Head earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495920.6U CN210745530U (en) | 2019-12-31 | 2019-12-31 | Head earphone |
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| Publication Number | Publication Date |
|---|---|
| CN210745530U true CN210745530U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922495920.6U Active CN210745530U (en) | 2019-12-31 | 2019-12-31 | Head earphone |
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| CN (1) | CN210745530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065015A (en) * | 2019-12-31 | 2020-04-24 | 歌尔科技有限公司 | Headset and illumination method |
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2019
- 2019-12-31 CN CN201922495920.6U patent/CN210745530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111065015A (en) * | 2019-12-31 | 2020-04-24 | 歌尔科技有限公司 | Headset and illumination method |
| CN111065015B (en) * | 2019-12-31 | 2024-07-02 | 歌尔科技有限公司 | Headset and illumination method |
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