CN102447991A - Headset with automatic power saving function - Google Patents

Abstract

A headset with an automatic power saving function is connected with an audio emission unit and comprises a power supply unit, an audio processing module, a light detection module and a power saving judgment unit connected with the audio processing module, the light detection module and the power supply unit. The audio processing module confirms whether the audio processing module is in a use state or not by receiving audio data of the audio transmitting unit or not, the light detection module is arranged at the positions, close to the earphones, of the two ends of the headset, and whether the audio processing module is in the use state or not is judged in a mode of judging whether the light detection is blocked or not. The power-saving judging unit sends a sleep signal to the power supply unit when judging that the power supply unit is in the non-use state, so that the power supply unit enters the power-saving state, and the purpose of automatically saving power is achieved.

Description

Headphones with automatic power saving

technical field

The invention relates to an automatic power saving system, in particular to an automatic power saving system applied to earphones.

Background technique

With the advancement of today's technology, many products, including cellular phones, personal digital assistants (PDAs), MP3 (MPEG audiolayer 3) players, and walkmans...etc. Portability, and entered the thin and light design stage, and its functions are also becoming more powerful. In addition, in order to effectively cooperate with the above-mentioned electronic components, the development of wireless earphones is also gradually flourishing. In addition to enhancing the sound quality of wireless earphones, convenience and usable time are also one of the key considerations. The power consumption of wireless earphones during use varies according to the design of different manufacturers. Therefore, how to accurately judge the time point when the wireless headset enters the power saving state can effectively avoid unnecessary power consumption.

Known as the "Automatic Opening and Closing Device for Wireless Earphones" of Taiwan Patent Publication No. 515624, its technical content is to disclose a device that can automatically detect incoming calls from mobile phones and automatically turn on and off the power supply of wireless earphones. An automatic detection start unit, which detects the incoming call signal to supply the power switch required by the wireless earphone. It can automatically sense the incoming call and turn on the power according to the incoming call signal of the mobile phone, and automatically turn off the power after the call is completed. The above-mentioned patent case chooses to turn on or turn off the power by detecting the signal of the incoming call. The method is only applicable to the earphone for talking, and the music signal of the general MP3 player is continuously input into the earphone, so it is impossible to judge whether the signal is input or not. Turn off the power, so the technology disclosed in this case is not applicable to MP3 players or Walkmans commonly used by the general public.

Contents of the invention

The main purpose of the present invention is to solve the problem that the technology of the above-mentioned patent cases cannot solve the power saving judgment problem of MP3 players or Walkmans.

Another object of the present invention is to provide a wireless earphone device with a double-mechanism judging criterion for determining whether to enter a power-saving state.

To achieve the above object, the present invention provides a headset with automatic power saving function, which is connected to an audio transmitter unit, the headset includes a power supply unit, an audio processing module that sends a first judgment signal . A light detection module sending out a second judgment signal, and a power saving judgment unit connected with the audio processing module, the light detection module and the power supply unit.

The audio processing module is connected to the audio transmitting unit and is electrically connected to the power supply unit. The audio processing module is used for receiving an audio data from the audio transmitting unit. The light detection module is electrically connected with the power supply unit, and includes a light emitting unit and a light receiving unit corresponding to the light emitting unit, the light emitting unit emits a detection light, and the light receiving unit is used to receive the light Detect light. The power saving judging unit is connected with the audio processing module, the light detecting module and the power supply unit, receives the first judging signal and the second judging signal, and judges the audio frequency through the first judging signal and the second judging signal The processing module and the use status of the light detection module send a dormancy signal to the power supply unit when it is judged that no one is using it, so that the power supply unit enters a power-saving state.

According to a further improved solution of the present invention, the audio processing module sends out the first judgment signal only when no audio data from the audio transmitting unit is received.

According to a further improved solution of the present invention, the light receiving unit sends out the second judgment signal only after receiving the detection light.

According to a further improved solution of the present invention, the power saving judging unit judges that the audio processing module has not received audio data through the first judging signal, that is, sends out the dormancy signal.

According to a further improved solution of the present invention, the audio processing module has an audio receiving unit and an audio releasing unit connected with the audio receiving unit, the audio receiving unit receives audio data, and the audio releasing unit converts the audio data into sound wave data and releases in the air.

According to a further improved solution of the present invention, there are two covers and a clamping piece connecting the two covers, and there are two audio release units, which are respectively placed in the accommodating spaces of the two covers.

According to a further improved solution of the present invention, there are two covers and a clamping piece connecting the two covers, each of the two covers has an accommodating space, and the accommodating space accommodates a power supply unit and an audio processing module and a power-saving judging unit, and the light-emitting unit and the light-receiving unit in the light-detecting module are respectively arranged on the clamping part close to the two covers.

According to a further improved solution of the present invention, the power saving judging unit judges that the light receiving unit in the light detecting module receives the detected light through the second judging signal, indicating that there is no object blocked between the two covers, that is, no one is using it , and send the sleep signal to the power supply unit.

According to a further improved solution of the present invention, the detection light emitted by the light-emitting unit is an infrared ray, and the light-receiving unit receives the infrared ray, and sends out the second power-saving signal when the infrared ray is blocked.

According to a further improved solution of the present invention, there is a switch unit connected to the power supply unit, and the switch unit directly controls the power output of the power supply unit.

According to a further improved solution of the present invention, the power saving judging unit is connected with the audio processing module and the light detection module through a wireless connection.

According to a further improved solution of the present invention, the audio transmitting unit is connected to the audio processing unit in a wireless manner, and the wireless connection method is selected from the group consisting of bluetooth, infrared, and wireless network.

According to the further improved solution of the present invention, there is a timing unit connected with the power-saving judging unit. When the power-saving judging unit judges that no one is using the state, it enters the time countdown stage. After the time countdown ends, the power-saving judging unit supplies power The unit issues the sleep signal.

According to a further improved solution of the present invention, there is a USB connection unit, the USB connection unit is respectively connected to the power supply unit, the audio processing module and a computer, and the computer transmits power and audio data to the power supply unit and the audio processing module respectively through the USB connection unit module.

As can be seen from the above description, compared with the prior art, the headphone with automatic power saving function of the present invention has a light detection module, and whether the detection light emitted by the light emitting unit in the light detection module is be blocked to determine whether someone is wearing the headset for use. Moreover, the power-saving judgment of the dual mechanism is carried out through the first judgment signal sent by the audio processing module and the second judgment signal sent by the light detection module by the power-saving judging unit, which has better judgment accuracy.

Description of drawings

Fig. 1 is a block configuration schematic diagram of a preferred embodiment of the present invention;

Fig. 2 is a schematic view of the appearance structure of a preferred embodiment of the present invention; and

FIG. 3 is a schematic block diagram of another preferred embodiment of the present invention.

Detailed ways

Relevant detailed description and technical contents of the present invention are as follows with regard to coordinating accompanying drawings now:

Please refer to Fig. 1 and shown in Fig. 2, Fig. 1 is a schematic diagram of block configuration of a preferred embodiment of the present invention, as shown in the figure: the present invention is a headset with automatic power saving function, which is connected to an audio transmitter Unit 80, the headset 10 includes a power supply unit 20, an audio processing module 30 that sends a first judgment signal, a light detection module 40 that sends a second judgment signal, and an audio processing module that communicates with the audio processing module 30 . The light detection module 40 and the power saving judging unit 50 connected to the power supply unit 20 .

The audio processing module 30 is connected to the audio transmitting unit 80 and is electrically connected to the power supply unit 20. The audio processing module 30 is used to receive an audio data from the audio transmitting unit 80. In this embodiment, it is The wireless headphone 10 is used as a description of a preferred embodiment, so the audio transmitting unit 80 and the audio processing module 30 are wirelessly connected, and the wireless connection mode is selected from bluetooth, infrared, and wireless networks. group. Further illustrate, the audio processing module 30 has an audio receiving unit 31 and an audio releasing unit 32 connected with the audio receiving unit 31, the audio receiving unit 31 receives the audio data, and the audio releasing unit 32 converts the audio data It is sound wave data and is released in the air, and when the audio receiving unit 31 cannot receive the audio data, it sends out the first judgment signal, which means that there is no continuous import of data, and it is in a non-use state. The light detection module 40 is electrically connected with the power supply unit 20, and includes a light emitting unit 41 and a light receiving unit 42 corresponding to the light emitting unit 41, the light emitting unit 41 emits a detection light, the light The receiving unit 42 is used to receive the detection light, wherein, the detection light in this embodiment is an infrared ray, the light receiving unit 42 receives the infrared ray, and when the infrared ray is not blocked, it indicates that it is not in use , and send out the second power-saving signal. The power saving judging unit 50 receives the first judging signal and the second judging signal, and judges the usage status of the audio processing module 30 and the light detecting module 40 through the first judging signal and the second judging signal, When it is judged that no one is using it, a sleep signal is sent to the power supply unit 20, so that the power supply unit 20 enters a power-saving state. Here, the power saving determination unit 50 is connected with the audio processing module 30 and the light detection module 40 through a wireless connection.

Please refer to Fig. 2, which is a schematic diagram of the appearance structure of a preferred embodiment of the present invention. The headphone with automatic power saving function of the present invention has two cover bodies 11 and a connection between the two cover bodies 11. There are two clips 12 , and two audio releasing units 32 , which are respectively placed in an accommodating space of the two covers 11 . In addition, the power supply unit 20 and the power saving judging unit 50 are also placed in the accommodating space of the two covers 11, and the light emitting unit 41 and the light receiving unit in the light detecting module 40 The units 42 are respectively arranged on the clamping member 12 close to the two covers 11, so the power saving judging unit 50 judges that the light receiving unit 42 in the light detecting module 40 receives the detection signal through the second judging signal. The metering line means that there is no object blocking between the two covers 11, that is, no one is using it.

In this embodiment, the audio processing module 30 sends out the first determination signal only when no audio data from the audio transmitting unit 80 is received. The light receiving unit 42 only sends out the second judgment signal after receiving the detected light, and the power saving judgment unit 50 confirms that there is no audio after receiving the first judgment signal and the second judgment signal within the same time period. Data transmission, and the light receiving unit 42 can receive the detection light, and judge that no one is using the wireless headset 10, send the sleep signal to the power supply unit 20, so that the power supply unit 20 enters the mode In particular, the power-saving state refers to the so-called power-saving mode, or entering into a dormant state to reduce power supply and avoid waste of power in the power supply unit 20 . In addition, in the above-mentioned embodiment, the audio receiving unit 31 does not receive a signal, and the light receiving unit 42 sends the first judgment signal and the second judgment signal when it receives the detection light, but in actual application, it can According to different design conditions, set the emission conditions and time points of the first judgment signal and the second judgment signal, or continuously transmit the first judgment signal and the second judgment signal, but the first judgment signal and the second judgment signal 2. Electronic signals representing different usage conditions are carried in the judgment signal.

Moreover, besides judging whether to send the dormancy signal through the first judgment signal and the second judgment signal at the same time, the power saving judging unit 50 can also directly send out the dormancy signal after the first judging signal shows that the audio data is not transmitted. The sleep signal enables the power supply unit 20 to enter a power saving state. Or the power saving judging unit 50 directly judges that the light receiving unit 42 in the light detecting module 40 has received the detected light through the second judging signal, indicating that there is no object blocked between the two covers 11, Sending the dormancy signal to the power supply unit 20 makes the power supply unit 20 enter a power-saving state, and different levels of judgment criteria are performed by different design modes.

To further illustrate, the headphone with automatic power saving function of the present invention also has: a switch unit 70 connected to the power supply unit 20 , and a timing unit 60 connected to the power saving judging unit 50 . The switch unit 70 directly controls the power output of the power supply unit 20 through pressing, touching or temperature sensing. And the timing unit 60 enters the time countdown stage when the power saving judging unit 50 judges that no one is using the state, and the power saving judging unit 50 sends the sleep signal to the power supply unit 20 after the time countdown ends, thereby avoiding It enters the dormant state if no one uses it for a short time, causing inconvenience to users.

In addition, as shown in FIG. 3, the present invention also has a USB connection unit 90, which is respectively connected to the power supply unit 20 and a computer 91, and the computer 91 provides power to the power supply unit 20. And the audio data of the audio transmitting unit 80 in the computer 91 is transmitted to the audio processing module 30 through the USB connection unit 90 . The power saving judgment unit 50 of the present invention can still perform the power saving function, thereby saving the power of the computer 91 .

In summary, compared with the prior art, since the headphone with automatic power saving function of the present invention has a light detection module 40, the light emitted by the light emitting unit 41 in the light detection module 40 Whether the detection light is blocked to determine whether someone puts on the wireless headset 10 for use. And by means of the power-saving judgment unit 50, the power-saving judgment of the dual mechanism is carried out on the first judgment signal sent by the audio processing module 30 and the second judgment signal sent by the light detection module 40, which has better judgment accuracy. In addition, the timing unit 60 counts down before the sleep time to prevent the user from leaving and entering the sleep state for a short time, causing inconvenience to the user.

The present invention has been described in detail above, but the above description is only a preferred embodiment of the present invention, and should not limit the implementation scope of the present invention. The present invention uses wireless earphones as an example of an embodiment, and other USB earphones and anti-noise earphones, etc., all need power-supply earphones with power-saving functions, so all that is done according to the application scope of the present invention Equal changes and modifications, etc., should still fall within the scope of the patent of the present invention.

Claims (14)

1. A headset (10) with automatic power-saving function, which is connected to an audio transmission unit (80), and the headset (10) is characterized in that: a power supply unit (20); An audio processing module (30) that sends a first judgment signal, the audio processing module is connected to the audio transmitting unit (80), and is electrically connected to the power supply unit (20), the audio processing module (30) for receiving an audio data of the audio transmitting unit (80); A light detection module (40) that sends a second judgment signal, the light detection module is electrically connected to the power supply unit (20), and the light detection module (40) includes a light emitting unit ( 41) and a light receiving unit (42) corresponding to the light emitting unit (41), the light emitting unit (41) emits a detection light, and the light receiving unit (42) is used to receive the detection light light; and A power saving judging unit (50) connected to the audio processing module (30), the light detecting module (40) and the power supply unit (20), the power saving judging unit (50) receiving the The first judgment signal and the second judgment signal, and judge the use status of the audio processing module (30) and the light detection module (40) through the first judgment signal and the second judgment signal , when it is judged that no one is using it, send a dormancy signal to the power supply unit (20), so that the power supply unit (20) enters a power-saving state. 2. The headset with automatic power saving function according to claim 1, characterized in that, the audio processing module (30) only receives an audio data of the audio transmitting unit (80) , sending the first judgment signal. 3. The headphone with automatic power saving function according to claim 2, characterized in that the light receiving unit (42) sends out the second judgment signal only after receiving the detected light. 4. The headset (10) with automatic power saving function according to claim 1, wherein the power saving judging unit (50) judges the audio processing module (30) by the first judging signal If the audio data is not received, the sleep signal is sent. 5. The headset with automatic power-saving function according to claim 1, characterized in that, the audio processing module (30) has an audio receiving unit (31) and an audio receiving unit (31) ) connected audio releasing unit (32), the audio receiving unit (31) receives the audio data, and the audio releasing unit (32) converts the audio data into sound wave data and releases it in the air. 6. The headphone with automatic power-saving function according to claim 5, characterized in that it has two covers (11) and a clamping piece (12) connecting the two covers (11) ), and there are two audio release units (32), which are respectively placed in the accommodating spaces of the two covers (11). 7. The headphone with automatic power saving function according to claim 1, characterized in that it has two covers (11) and a clamping piece (12) connecting the two covers (11) ), each of the two covers (11) has an accommodating space, and the accommodating space accommodates the power supply unit (20), the audio processing module (30) and the power saving judgment unit (50) , and the light-emitting unit (41) and the light-receiving unit (42) in the light detection module (40) are respectively arranged on the clamping piece (12) close to the two covers (11) place. 8. The headphone with automatic power saving function according to claim 7, characterized in that the power saving judging unit (50) judges the light detection module (40) through the second judging signal The light-receiving unit (42) in the box receives the detection light, indicating that there is no object blocked between the two covers (11), that is, no one is using it, and sends the light to the power supply unit (20 ) sends the dormancy signal. 9. The headset with automatic power saving function according to claim 1, characterized in that, the detection light emitted by the light emitting unit (41) is an infrared ray, and the light receiving unit (42) receiving the infrared rays, and sending out the second power-saving signal when the infrared rays are blocked. 10. The headset with automatic power saving function according to claim 1, characterized in that, it has a switch unit (70) connected to the power supply unit (20), and the switch unit directly controls the The power output of the power supply unit (20) described above. 11. The headphone with automatic power saving function according to claim 1, characterized in that, the power saving judging unit (50) is connected with the audio processing module (30) and the light The detection module (40) is connected. 12. The headset with automatic power saving function according to claim 1, characterized in that, the audio transmitting unit (80) is wirelessly connected with the audio processing unit, and its wireless connection mode is selected from In the group consisting of Bluetooth, Infrared, and Wi-Fi. 13. The headphone with automatic power-saving function according to claim 1, characterized in that it has a timing unit connected to the power-saving judging unit (50), and the power-saving judging unit (50) ) enters a time countdown phase when it is judged that no one is in use, and the power saving judging unit (50) sends the sleep signal to the power supply unit (20) after the time countdown ends. 14. The headphone with automatic power saving function according to claim 1, characterized in that it has a USB connection unit (90), and the USB connection unit is connected to the power supply unit (20), the The audio processing module (30) is connected to a computer (91), and the computer (91) transmits power and the audio data to the power supply unit (20) and the The audio processing module (30).

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