CN210225698U - Earphone and earphone startup control system - Google Patents
Earphone and earphone startup control system Download PDFInfo
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- CN210225698U CN210225698U CN201921273784.XU CN201921273784U CN210225698U CN 210225698 U CN210225698 U CN 210225698U CN 201921273784 U CN201921273784 U CN 201921273784U CN 210225698 U CN210225698 U CN 210225698U
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Abstract
The embodiment of the utility model discloses earphone and earphone start control system relates to electron technical field. The earphone comprises a magnetic field sensor, a logic circuit, a control circuit and a microcontroller which are electrically connected in sequence, wherein when the magnetic field sensor senses that a magnet on a charging box of the earphone is far away, the magnetic field sensor outputs an induction signal to the logic circuit, the logic circuit processes the induction signal and then outputs a control signal to the control circuit, the control circuit outputs a starting control signal to the microcontroller according to the control signal, and the microcontroller controls the earphone to be started according to the starting control signal. The embodiment of the utility model provides a can control the earphone start when the box that charges is opened, guarantee the reliability that the earphone was started for the earphone goes out can in time carry out the reconnection rather than the terminal equipment who pairs when the box, has promoted user experience.
Description
Technical Field
The embodiment of the utility model provides a relate to electron technical field, in particular to earphone and earphone start-up control system.
Background
The system of a True Wireless Stereo (TWS) bluetooth headset can be mainly divided into two parts, namely a charging box and a headset. The effect of the box that charges is similar to the treasured that charges, charges for two earphones specially. In order to improve user experience, the earphone is required to be immediately started and connected back with the paired terminal equipment when the earphone is taken out of the charging box after the earphone is charged, and the existing earphone starting control mode is as follows: the charging box immediately opens the charging level after detecting to open the cover, a control circuit is arranged in the earphone, the earphone is immediately opened when the control circuit detects that the charging level of the charging box is opened, and the earphone can be connected back with the matched terminal after being opened. However, in some cases, when the earphone is fully charged and turned off, if the charging box vibrates, the earphone is separated from the charging interface in the charging box; alternatively, the charging box is dead; or, when the charging box has not yet been started up to the charging level, the earphone is already separated from the charging interface, and under the conditions, the earphone cannot be started up in time, so that the earphone cannot be immediately connected back to the paired terminal device when going out of the charging box.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an aim at provides an earphone and earphone start-up control system to solve above-mentioned if the box that charges takes place to vibrate and leads to the earphone and the interior interface that charges of box to break away from, perhaps the box that charges does not have the electricity, perhaps when the box that charges does not yet reach and open the charge level, the earphone has left the interface that charges, all can not in time start for the earphone this moment, can lead to the earphone to go out the box when can't carry out the reconnection problem rather than the terminal equipment who pairs immediately like this.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
according to the utility model discloses an aspect of embodiment provides an earphone, including electric connection's magnetic field sensor, logic circuit, control circuit and microcontroller in proper order, wherein, magnetic field sensor is sensing when the magnet on the box that charges of earphone is kept away from, output sensing signal extremely logic circuit, by logic circuit is right sensing signal handles back output control signal extremely control circuit, again by control circuit basis control signal output power-on control signal extremely microcontroller, by microcontroller basis power-on control signal control the earphone starts.
The control circuit comprises a first resistor, a first capacitor, a switching tube and a second capacitor; the first end of the first resistor is connected to the output end of the logic circuit and the control end of the switch tube, the second end of the first resistor is connected to the first end of the switch tube and the first end of the first capacitor, the second end of the first capacitor is grounded, the second end of the switch tube is connected to the first end of the second capacitor and the input end of the microcontroller, and the second end of the second capacitor is grounded.
The switch tube is a PMOS tube, the control end of the switch tube is the grid electrode of the PMOS tube, the first end of the switch tube is the source electrode of the PMOS tube, and the second end of the switch tube is the drain electrode of the PMOS tube.
Wherein the magnetic field sensor is a Hall sensor.
According to another aspect of the embodiments of the present invention, there is provided an earphone starting-up control system, including an earphone and a charging box, where the charging box includes a box body and an earphone placing area located in the box body, and a magnet is further disposed on the box body, and when the earphone is located in the earphone placing area in the box body, if the charging box is opened, the magnet on the box body is far away from a magnetic field sensor in the earphone;
the earphone comprises a magnetic field sensor, a logic circuit, a control circuit and a microcontroller which are electrically connected in sequence; when the magnetic field sensor senses that the magnet on the charging box is far away, the magnetic field sensor outputs a sensing signal to the logic circuit, the logic circuit processes the sensing signal and outputs a control signal to the control circuit, the control circuit outputs a starting-up control signal to the microcontroller according to the control signal, and the microcontroller controls the earphone to be started up according to the starting-up control signal.
The control circuit comprises a first resistor, a first capacitor, a switching tube and a second capacitor; the first end of the first resistor is connected to the output end of the logic circuit and the control end of the switch tube, the second end of the first resistor is connected to the first end of the switch tube and the first end of the first capacitor, the second end of the first capacitor is grounded, the second end of the switch tube is connected to the first end of the second capacitor and the input end of the microcontroller, and the second end of the second capacitor is grounded.
The switch tube is a PMOS tube, the control end of the switch tube is the grid electrode of the PMOS tube, the first end of the switch tube is the source electrode of the PMOS tube, and the second end of the switch tube is the drain electrode of the PMOS tube.
Wherein, the box body is drawer type box body, drawer type box body includes outer box body and has the interior box body in the district is placed to the earphone, but interior box body slidable mounting is in outer box body, magnet is installed the top or the bottom of outer box body.
Wherein, the box body is flip type box body, flip type box body including have the earphone place the district the end box and with end box rotatable coupling's flip, magnet sets up flip medial surface.
Wherein the magnetic field sensor is a Hall sensor.
The embodiment of the utility model provides an earphone and earphone start control system sets up electric connection's magnetic field sensor, logic circuit, control circuit and microcontroller in proper order in the earphone, by magnetic field sensor is sensing when the magnet on the box that charges of earphone is kept away from, output sensing signal extremely logic circuit, by logic circuit is right sensing signal handles back output control signal extremely control circuit, again by control circuit basis control signal output control signal extremely microcontroller, by microcontroller basis start control signal control the earphone start to can control the earphone start when the box that charges is opened, guarantee the reliability of earphone start, make the earphone go out can in time carry out the return connection rather than the terminal equipment who pairs when the box, promote user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an earphone according to a first embodiment of the present invention;
fig. 2 is a schematic waveform diagram of an induction signal, a control signal and a power-on signal generated when the earphone detects that the charging box is opened according to a first embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a control circuit in an earphone according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an earphone startup control system provided in the second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a charging box in an earphone startup control system provided by the second embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Fig. 1 is a schematic structural diagram of an earphone according to an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
Referring to fig. 1, the earphone 100 provided in this embodiment includes a magnetic field sensor 101, a logic circuit 102, a control circuit 103, and a microcontroller 104, which are electrically connected in sequence, wherein when the magnetic field sensor 101 senses that a magnet on a charging box of the earphone 100 is far away, the magnetic field sensor outputs a sensing signal to the logic circuit 102, the logic circuit 102 processes the sensing signal and outputs a control signal to the control circuit 103, the control circuit 103 outputs a power-on control signal to the microcontroller 104 according to the control signal, and the microcontroller 104 controls the earphone 100 to be powered on according to the power-on control signal.
In a specific implementation example, the magnetic field sensor 101 is a hall sensor. When the earphone 100 is located in the charging box, the position of the magnet on the charging box coincides with the position of the hall sensor in the earphone 100, when the charging box is opened, the magnet is far away from the hall sensor, at this time, the magnetic field around the earphone 100 changes, the hall sensor outputs a corresponding sensing signal to the logic circuit 102 after detecting the change of the magnetic field, the logic circuit 102 filters, amplifies and level-converts the sensing signal to generate a corresponding control signal and outputs the control signal to the control circuit 103, the control circuit 103 outputs a power-on control signal to the microcontroller 104 according to the control signal, and the microcontroller 104 controls the earphone 100 to be powered on. Referring to fig. 2, in a specific implementation example, the sensing signal is a low-level signal including a falling edge, the control signal is a low-level signal or a low-level pulse including a falling edge, and the power-on control signal is a high-level signal or a high-level pulse including a rising edge.
Preferably, in this embodiment, the hall sensor is further configured to output a high level signal including a rising edge to the logic circuit 102 when the charging box is detected to be closed, and the logic circuit 102 directly filters the high level signal including the rising edge after receiving the high level signal.
Referring to fig. 3, the control circuit 103 includes a first resistor R1, a first capacitor C1, a switch Q1, and a second capacitor C2; a first end of the first resistor R1 is connected to the output end of the logic circuit 102 and the control end of the switch tube Q1, a second end of the first resistor R1 is connected to the first end of the switch tube Q1 and the first end of the first capacitor C1, a second end of the first capacitor C1 is grounded, a second end of the switch tube Q1 is connected to the first end of the second capacitor C2 and the input end of the microcontroller 104, and a second end of the second capacitor C2 is grounded.
In a specific implementation example, the switching transistor Q1 is a PMOS transistor, the control terminal of the switching transistor Q1 is a gate of the PMOS transistor, the first terminal of the switching transistor Q1 is a source of the PMOS transistor, and the second terminal of the switching transistor Q1 is a drain of the PMOS transistor. When the hall sensor detects that the charging box is opened, the hall sensor outputs a low level signal including a falling edge to the logic circuit 102, the logic circuit 102 processes the low level signal and outputs the processed low level signal to a grid electrode of a PMOS transistor in the control circuit 103, and at the moment, a V of the PMOS transistor is setGS<VGS(th) wherein VGSIs the voltage between the grid and the source of the PMOS tube, VGS(th) is the conduction voltage of the PMOS tube due to the V of the PMOS tubeGS<0，VGS(th)<0, at this time | VGS|>|VGS(th) |, so that the source and the drain of the PMOS transistor are turned on at this time, the control circuit 103 outputs a high level signal or a high level pulse including a rising edge to the microcontroller 104, so that the microcontroller 104 controls the earphone 10 according to the high level signal or the high level pulse including the rising edgeAnd 0, starting up.
In the earphone 100 provided by the embodiment of the present invention, since the magnetic field sensor 101, the logic circuit 102, the control circuit 103 and the microcontroller 104 are disposed in the earphone 100 and electrically connected in sequence, when the magnetic field sensor 101 senses that the magnet on the charging box of the earphone 100 is far away, an induction signal is output to the logic circuit 102, the logic circuit 102 processes the induction signal and outputs a control signal to the control circuit 103, the control circuit 103 outputs a power-on control signal to the microcontroller 104 according to the control signal, the microcontroller 104 controls the earphone 100 to be powered on according to the power-on control signal, thereby controlling the earphone 100 to start when the charging box is opened, ensuring the reliability of the earphone 100 when the charging box is opened, therefore, when the earphone 100 is taken out of the box, the connection back can be carried out with the paired terminal equipment in time, and the user experience is improved.
Example two
Fig. 4 is a schematic structural diagram of an earphone power-on control system provided by an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
Referring to fig. 4, the earphone startup control system provided in this embodiment includes an earphone 100 and a charging box 200, and referring to fig. 5, the charging box 200 includes a box body and an earphone placing area 202 located in the box body, the box body is further provided with a magnet 201, and when the earphone 100 is located in the earphone placing area 202 in the box body, if the charging box 200 is opened, the magnet 201 on the box body is far away from the magnetic field sensor 101 in the earphone 100;
the earphone 100 comprises a magnetic field sensor 101, a logic circuit 102, a control circuit 103 and a microcontroller 104 which are electrically connected in sequence; when the magnetic field sensor 101 senses that the magnet 201 on the charging box 200 is far away, it outputs a sensing signal to the logic circuit 102, the logic circuit 102 processes the sensing signal and outputs a control signal to the control circuit 103, the control circuit 103 outputs a power-on control signal to the microcontroller 104 according to the control signal, and the microcontroller 104 controls the earphone 100 to be powered on according to the power-on control signal.
The earphone starting control system comprises two earphones, wherein each earphone is internally provided with a magnetic field sensor 101, a logic circuit 102, a control circuit 103 and a microcontroller 104 which are electrically connected in sequence, an earphone placing area in the charging box comprises two earphone placing positions, and each earphone placing position is provided with a charging interface which is matched with the earphones to charge the earphones. When the charging box is closed, the position of the magnet on the charging box is superposed with the positions of the two earphones in the earphone placing area.
In a specific embodiment, the case of the charging case 200 is a drawer-type case, the drawer-type case includes an outer case and an inner case having an earphone placing region 202, the inner case is slidably installed in the outer case, and the magnet 201 is installed at the top or bottom of the outer case. When the charging box 200 is closed, the magnet 201 arranged at the top or the bottom of the outer box body is superposed with the position of the earphone 100 arranged in the earphone arrangement area 202 of the inner box body; when the charging box 200 is opened, the inner box body slides relative to the outer box body, and at this time, the magnet 201 arranged at the top or the bottom of the outer box body is far away from the earphone 100 placed in the earphone placing area 202 of the inner box body, so that the magnetic field sensor 101 arranged in the earphone 100 is triggered to output a corresponding sensing signal to the logic circuit 102.
In another specific implementation example, the box body is a flip-type box body, the flip-type box body includes a bottom box having an earphone placing area 202 and a flip cover rotatably connected to the bottom box, and the magnet 201 is disposed on an inner side surface of the flip cover. When the charging box 200 is closed, the magnet 201 arranged on the flip cover is superposed with the position of the earphone 100 arranged in the earphone arrangement area 202 of the bottom box; when the charging box 200 is opened, the flip cover rotates relative to the bottom box, and at this time, the magnet 201 arranged on the flip cover is far away from the earphone 100 placed in the earphone placing area 202 of the bottom box, so that the magnetic field sensor 101 arranged in the earphone 100 is triggered to output a corresponding sensing signal to the logic circuit 102.
In a specific implementation example, the magnetic field sensor 101 is a hall sensor. The control circuit 103 comprises a first resistor R1, a first capacitor C1, a switch tube Q1 and a second capacitor C2; a first end of the first resistor R1 is connected to the output end of the logic circuit 102 and the control end of the switch tube Q1, a second end of the first resistor R1 is connected to the first end of the switch tube Q1 and the first end of the first capacitor C1, a second end of the first capacitor C1 is grounded, a second end of the switch tube Q1 is connected to the first end of the second capacitor C2 and the input end of the microcontroller 104, and a second end of the second capacitor C2 is grounded. The switch tube Q1 is a PMOS tube, the control end of the switch tube Q1 is the grid electrode of the PMOS tube, the first end of the switch tube Q1 is the source electrode of the PMOS tube, and the second end of the switch tube Q1 is the drain electrode of the PMOS tube. The working principle of the hall sensor, the logic circuit 102 and the control circuit 103 in this embodiment is completely the same as that in the first embodiment, and therefore, the description thereof is omitted.
As can be seen from the above, in the charging system of the earphone 100 provided in this embodiment, the magnet 201 is disposed on the charging box 200, the magnetic field sensor 101, the logic circuit 102, the control circuit 103 and the microcontroller 104 are disposed in the earphone 100 and electrically connected in sequence, when the magnetic field sensor 101 senses that the magnet 201 on the charging box 200 is far away, the magnetic field sensor 101 outputs a sensing signal to the logic circuit 102, the sensing signal is processed by the logic circuit 102 and then outputs a control signal to the control circuit 103, the control circuit 103 outputs a power-on control signal to the microcontroller 104 according to the control signal, and the microcontroller 104 controls the earphone 100 to be powered on according to the power-on control signal, so that the earphone 100 can be reliably powered on when the charging box 200 is opened, and the earphone 100 can be timely connected back with a terminal device paired with the charging box 200 after exiting from the charging box 200, the user experience is improved.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an earphone, its characterized in that, includes electric connection's magnetic field sensor, logic circuit, control circuit and microcontroller in proper order, wherein, magnetic field sensor is when sensing magnet on the box that charges of earphone is kept away from, outputs sensing signal to logic circuit, by logic circuit handles after the sensing signal output control signal to control circuit, by control circuit according to control signal output power-on control signal reaches microcontroller, by microcontroller according to the power-on control signal control earphone power-on.
2. The earphone according to claim 1, wherein the control circuit comprises a first resistor, a first capacitor, a switch tube and a second capacitor; the first end of the first resistor is connected to the output end of the logic circuit and the control end of the switch tube, the second end of the first resistor is connected to the first end of the switch tube and the first end of the first capacitor, the second end of the first capacitor is grounded, the second end of the switch tube is connected to the first end of the second capacitor and the input end of the microcontroller, and the second end of the second capacitor is grounded.
3. The earphone according to claim 2, wherein the switch transistor is a PMOS transistor, the control terminal of the switch transistor is a gate of the PMOS transistor, the first terminal of the switch transistor is a source of the PMOS transistor, and the second terminal of the switch transistor is a drain of the PMOS transistor.
4. The headset of claim 1, wherein the magnetic field sensor is a hall sensor.
5. A headset starting control system comprises a headset and a charging box, and is characterized in that the charging box comprises a box body and a headset placing area located in the box body, a magnet is further arranged on the box body, and when the headset is located in the headset placing area in the box body, if the charging box is opened, the magnet on the box body is far away from a magnetic field sensor in the headset;
the earphone comprises a magnetic field sensor, a logic circuit, a control circuit and a microcontroller which are electrically connected in sequence; when the magnetic field sensor senses that the magnet on the charging box is far away, the magnetic field sensor outputs a sensing signal to the logic circuit, the logic circuit processes the sensing signal and outputs a control signal to the control circuit, the control circuit outputs a starting-up control signal to the microcontroller according to the control signal, and the microcontroller controls the earphone to be started up according to the starting-up control signal.
6. The earphone startup control system according to claim 5, wherein the control circuit comprises a first resistor, a first capacitor, a switch tube and a second capacitor; the first end of the first resistor is connected to the output end of the logic circuit and the control end of the switch tube, the second end of the first resistor is connected to the first end of the switch tube and the first end of the first capacitor, the second end of the first capacitor is grounded, the second end of the switch tube is connected to the first end of the second capacitor and the input end of the microcontroller, and the second end of the second capacitor is grounded.
7. The earphone starting-up control system of claim 6, wherein the switch tube is a PMOS tube, the control end of the switch tube is a gate electrode of the PMOS tube, the first end of the switch tube is a source electrode of the PMOS tube, and the second end of the switch tube is a drain electrode of the PMOS tube.
8. The earphone startup control system according to claim 5, wherein the box body is a drawer-type box body, the drawer-type box body comprises an outer box body and an inner box body having an earphone placing area, the inner box body is slidably installed in the outer box body, and the magnet is installed at the top or bottom of the outer box body.
9. The earphone starting-up control system according to claim 5, wherein the box body is a flip-type box body, the flip-type box body comprises a bottom box with an earphone placing area and a flip cover rotatably connected with the bottom box, and the magnet is arranged on the inner side surface of the flip cover.
10. The headset power-on control system of claim 5, wherein the magnetic field sensor is a Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273784.XU CN210225698U (en) | 2019-08-07 | 2019-08-07 | Earphone and earphone startup control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273784.XU CN210225698U (en) | 2019-08-07 | 2019-08-07 | Earphone and earphone startup control system |
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| Publication Number | Publication Date |
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| CN210225698U true CN210225698U (en) | 2020-03-31 |
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| CN201921273784.XU Expired - Fee Related CN210225698U (en) | 2019-08-07 | 2019-08-07 | Earphone and earphone startup control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865224A (en) * | 2021-01-07 | 2021-05-28 | 深圳市博陆科电子科技有限公司 | Bluetooth headset low-power-consumption standby method, electronic equipment, medium and charging system |
| CN114040290A (en) * | 2021-11-10 | 2022-02-11 | 深圳市大十科技有限公司 | Open earphone box awakening device and awakening method |
-
2019
- 2019-08-07 CN CN201921273784.XU patent/CN210225698U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865224A (en) * | 2021-01-07 | 2021-05-28 | 深圳市博陆科电子科技有限公司 | Bluetooth headset low-power-consumption standby method, electronic equipment, medium and charging system |
| CN114040290A (en) * | 2021-11-10 | 2022-02-11 | 深圳市大十科技有限公司 | Open earphone box awakening device and awakening method |
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Granted publication date: 20200331 |