CN216957441U - Voice recognition opening and closing circuit for charging bin - Google Patents
Voice recognition opening and closing circuit for charging bin Download PDFInfo
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- CN216957441U CN216957441U CN202220078343.XU CN202220078343U CN216957441U CN 216957441 U CN216957441 U CN 216957441U CN 202220078343 U CN202220078343 U CN 202220078343U CN 216957441 U CN216957441 U CN 216957441U
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Abstract
The utility model provides a voice recognition on-off circuit for a charging bin, which is applied to an earphone charging bin and comprises a voice acquisition circuit, a voice processing circuit, an electromagnetic control circuit and a power supply circuit, wherein the power supply circuit is connected with the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit; the electromagnetic control circuit is connected with an electromagnetic winding arranged at the opening and closing port of the earphone charging bin, and the electromagnetic control circuit controls the on-off of the electromagnetic winding by receiving a signal of the voice processing circuit. The voice recognition control is realized instead of the action of manually touching or pressing a key.
Description
Technical Field
The utility model relates to the technical field of charging, in particular to a voice recognition start-stop circuit for a charging bin.
Background
At present, the traditional earphone with wire connection has the problem of inconvenient use in many application scenes, so that a novel true wireless stereo earphone in recent years is produced, and the Bluetooth technology is adopted to transmit signals, so that the wire connection can be abandoned. In the prior art, wireless earphones are charged through a charging bin, a control switch of the charging bin is mechanical and electronic, the charging bin can be opened by simply rotating, the charging bin is easy to open under the action of external force, the inside of the charging bin is exposed outside, and the charging bin and the earphones are easy to damage. Simultaneously, will charge the storehouse and open through rotating, use experience relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that the prior charging bin control switch in the background technology is mechanical and electronic touch, can be opened by simply rotating, is easy to open under the action of external force, and is easy to damage the charging bin and earphones because the inside of the charging bin is exposed outside. Simultaneously, will charge the storehouse through rotating and open, use and experience relatively poor defect, provide a speech recognition who is used for the storehouse of charging and open and close the circuit.
A voice recognition on-off circuit for a charging bin is applied to an earphone charging bin and comprises a voice acquisition circuit, a voice processing circuit, an electromagnetic control circuit and a power supply circuit,
the power supply circuit is connected with the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit, the input end of the voice processing circuit is connected with the voice acquisition circuit, and the output end of the voice processing circuit is connected with the electromagnetic control circuit;
the electromagnetic control circuit is connected with an electromagnetic winding arranged at the opening and closing port of the earphone charging bin, and the electromagnetic control circuit controls the on-off of the electromagnetic winding by receiving a signal of the voice processing circuit.
Optionally, the voice processing circuit includes a main control chip, the main control chip is provided with a voice end, an enabling end and a power end, the voice end is connected to the voice collecting circuit, the enabling end is connected to the electromagnetic control circuit, and the power end is connected to the power supply circuit.
Optionally, the electromagnetic control circuit comprises a first switch circuit, a second switch circuit, a third switch circuit,
the first switch circuit is respectively connected with the enabling end, the second switch circuit and the third switch circuit, and the first switch circuit controls the second switch circuit and the third switch circuit to be switched on and off; the second switch circuit is respectively connected with the power supply circuit and the positive input end of the electromagnetic winding; and the third switch circuit is respectively connected with the negative electrode output end of the electromagnetic winding and the power ground.
Optionally, the first switch circuit comprises a first transistor,
the base electrode of the first triode is connected with the power supply end through a first resistor, the collector electrode of the first triode is respectively connected with the second switch circuit and the third switch circuit, and the emitting electrode of the first triode is grounded.
Optionally, the second switch circuit comprises a first MOS transistor,
the grid electrode of the first MOS tube is connected with the first switch circuit, the drain electrode of the first MOS tube is connected with the power supply circuit, the source electrode of the first MOS tube is connected with the positive electrode input end of the electromagnetic winding, and the grid electrode of the first MOS tube is connected with the drain electrode of the first MOS tube through the second resistor.
Optionally, the third switching circuit comprises a second transistor,
the base electrode of the second triode is connected with the first switch circuit, the emitting electrode of the second triode is connected with the negative electrode output end of the electromagnetic winding, the collecting electrode of the second triode is grounded, and the base electrode of the second triode is connected with the collecting electrode of the first triode through the third resistor.
Optionally, the first triode is an NPN triode, and the second triode is a PNP triode.
Optionally, the voice acquisition circuit includes a microphone sensor and a voice output circuit, the microphone sensor is arranged on the surface of the earphone charging bin, one end of the voice output circuit is connected with the microphone sensor, and the other end of the voice output circuit is connected with the voice end.
Optionally, the microphone sensor includes a voice output end and a ground end, and the voice end includes a first voice end and a second voice end;
the voice output circuit comprises a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor;
the voice output end is connected with the power supply circuit through a fourth resistor and a fifth resistor, and is connected with the first voice end through a first capacitor;
the grounding end is connected with a power ground through a sixth resistor and a seventh resistor, and is connected with the second voice end through a second capacitor;
the third capacitor is connected between the voice output end and the grounding end, one end of the fourth capacitor is connected between the fourth resistor and the fifth resistor, and the other end of the fourth capacitor is connected between the sixth resistor and the seventh resistor.
Optionally, the power supply circuit includes a power supply chip, an eighth resistor, a first inductor, a first diode, a second diode, a fifth capacitor, and a sixth capacitor;
the input end of the power supply chip is connected with the charging bin battery through a first inductor and is grounded through a first diode and a fifth capacitor which are connected in sequence; the output end of the power supply chip outputs a power supply through a second diode and is grounded through a sixth capacitor; and the output end of the power supply chip is connected with the charging bin battery through an eighth resistor.
The application provides a speech recognition opens and close circuit for storehouse charges, and its beneficial effect lies in: the voice acquisition circuit acquires external voice input and transmits the external voice input to the voice processing circuit for processing, the voice processing circuit identifies the input signal, the enable signal of the electromagnetic control circuit is output and controlled according to the input signal, and the opening or closing of the opening and closing port of the charging bin is controlled through the electromagnetic control circuit. The voice recognition control is realized to replace the action of manually touching or pressing a key; the earphone sleeve is prevented from being easily opened under the action of external force, the interior of the charging bin is exposed outside, so that the charging bin and the earphone are easily damaged, and the earphone is effectively protected; meanwhile, user experience is improved.
Drawings
FIG. 1 is a circuit block diagram according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a speech processing circuit according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of an electromagnetic control circuit in accordance with an embodiment of the present invention.
Fig. 4 is a schematic diagram of a voice acquisition circuit according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a power supply circuit according to an embodiment of the utility model.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:
in the case of the example 1, the following examples are given,
in the embodiment as shown in fig. 1-5, the present application discloses a voice recognition on-off circuit for a charging chamber, which is applied to an earphone charging chamber, and comprises a voice acquisition circuit 1, a voice processing circuit 2, an electromagnetic control circuit 3 and a power supply circuit 4, wherein the power supply circuit is connected with the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit, the input end of the voice processing circuit is connected with the voice acquisition circuit, and the output end of the voice processing circuit is connected with the electromagnetic control circuit; the electromagnetic control circuit is connected with an electromagnetic winding arranged at the opening and closing port of the earphone charging bin, and controls the electromagnetic winding to be powered on or powered off by receiving signals of the voice processing circuit. In this embodiment, by providing the voice acquisition circuit, the voice processing circuit, and the electromagnetic control circuit, after the voice acquisition circuit acquires an external voice input, the voice input is transmitted to the voice processing circuit for processing, the voice processing circuit recognizes the input signal, outputs an enable signal for controlling the electromagnetic control circuit according to the input signal, and controls the opening or closing of the opening/closing port of the charging chamber through the electromagnetic control circuit. Wherein, the main part design in current wireless earphone storehouse of charging holds the concave part of earphone, and charges the storehouse and be provided with the lid of lid and establish the lid in the concave part top, has formed the opening between main part and the lid and has closed the mouth. Or the charging bin can be provided with two main bodies, and the connecting port which is closed and opened between the two main bodies forms an opening and closing port. The connection of electromagnetic winding sets up on the electro-magnet, and the electro-magnet setting is opening and close mouthful one end, is provided with the iron plate opening and close mouthful other end, and this application makes the electro-magnet magnetize the back and is inhaled with the iron plate magnetism and be connected through circular telegram with electromagnetic winding, will charge the storehouse and close. The method and the device have the advantages that the voice recognition control replaces the action of manually touching or pressing the key; the earphone sleeve is prevented from being easily opened under the action of external force, the interior of the charging bin is exposed outside, so that the charging bin and the earphone are easily damaged, and the earphone is effectively protected; meanwhile, user experience is improved.
In the case of the example 2, the following examples are given,
in some embodiments, referring to fig. 2, the voice processing circuit includes a main control chip U1, the main control chip U1 is provided with a voice terminal, an enable terminal M _ EN, and a power supply terminal, the voice terminal is connected to the voice collecting circuit, the enable terminal M _ EN is connected to the electromagnetic control circuit, and the power supply terminal is connected to the power supply circuit. The main control chip U1 in the present application may be a voice chip with model number GX8008C _ QFN 52L. The voice terminal transcoding and recognizing device carries out transcoding and recognition on signals transmitted from the voice terminal through the main control chip U1, and outputs enabling signals to the electromagnetic control circuit according to input signals. According to the charging bin, the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit are arranged, after the voice acquisition circuit acquires external voice input, the voice input is transmitted to the voice processing circuit to be processed, the voice processing circuit identifies input signals, the enable signals of the electromagnetic control circuit are output and controlled according to the input signals, and the opening or closing of the opening or closing opening of the charging bin is controlled through the electromagnetic control circuit. The voice recognition control is realized to replace the action of manually touching or pressing a key; the earphone sleeve is prevented from being easily opened under the action of external force, the inside of the charging bin is exposed outside, the charging bin and the earphone are easily damaged, and the earphone is effectively protected; meanwhile, user experience is improved.
In the case of the example 3, the following examples are given,
in some embodiments, referring to fig. 3, the electromagnetic control circuit includes a first switch circuit, a second switch circuit, and a third switch circuit, the first switch circuit is connected to the enable terminal M _ EN, the second switch circuit, and the third switch circuit, respectively, and the first switch circuit controls the second switch circuit and the third switch circuit to be turned on and off; the second switch circuit is respectively connected with the power supply circuit and the positive input end of the electromagnetic winding L1; the third switch circuit is respectively connected with the negative output end of the electromagnetic winding and the power ground. The first switch circuit comprises a first triode Q1, the base of the first triode Q1 is connected with the power supply end through a first resistor R1, the collector of the first triode Q1 is respectively connected with the grid of the first MOS transistor Q3 and the base of the second triode Q2, and the emitter of the first triode Q3 is grounded. The second switch circuit comprises a first MOS tube Q3, a drain electrode of the first MOS tube Q3 is connected with the power supply circuit, a source electrode of the first MOS tube Q3 is connected with a positive electrode input end of the electromagnetic winding, and a grid electrode of the first MOS tube Q3 is connected with the drain electrode of the first MOS tube Q3 through a second resistor R2. The third switching circuit comprises a second triode Q2, the emitter of the second triode Q2 is connected with the negative output end of the electromagnetic winding, the collector is grounded, and the base of the second triode Q2 is connected with the collector of the first triode Q1 through a third resistor R3. The first transistor Q1 is an NPN transistor and the second transistor Q2 is a PNP transistor. In this embodiment, the first transistor Q1 receives a signal from the voice processing circuit, and controls the first MOS transistor Q3 and the second transistor Q2. When the output signal of the enable end M _ EN is at a high level, the first triode Q1 is conducted, the second triode Q2 is conducted, the first MOS tube Q3 is conducted, the electromagnetic winding is electrified, and the charging bin is magnetically attracted and closed. When the output signal of the enabling end M _ EN is in a low level, the first triode Q1 is turned off, the second triode Q2 is turned off, and the magnetizing bin is opened after magnetism is broken. According to the charging bin, the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit are arranged, after the voice acquisition circuit acquires external voice input, the voice input is transmitted to the voice processing circuit to be processed, the voice processing circuit identifies input signals, the enable signals of the electromagnetic control circuit are output and controlled according to the input signals, and the opening or closing of the opening or closing opening of the charging bin is controlled through the electromagnetic control circuit. The voice recognition control is realized to replace the action of manually touching or pressing a key; the earphone sleeve is prevented from being easily opened under the action of external force, the interior of the charging bin is exposed outside, so that the charging bin and the earphone are easily damaged, and the earphone is effectively protected; meanwhile, user experience is improved.
In the case of the example 4, the following examples are given,
in some embodiments, referring to fig. 4, the voice collecting circuit includes a microphone sensor ECM disposed on a surface of the earphone charging chamber, and a voice output circuit having one end connected to the microphone sensor ECM and the other end connected to the voice end. The microphone sensor ECM comprises a voice output end MIC + and a grounding end, wherein the voice end comprises a first voice end MIC _ IN0P and a second voice end MIC _ IN 0N; the voice output circuit comprises a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a fourth capacitor C4; the voice output end MIC + is connected with the power supply circuit through a fourth resistor R4 and a fifth resistor R5, and is connected with a first voice end MIC _ IN0P through a first capacitor C1; the grounding end is connected with the power ground through a sixth resistor R6 and a seventh resistor R7, and is connected with the second voice end MIC _ IN0N through a second capacitor; the third capacitor C3 is connected between the voice output terminal MIC + and the ground terminal, and the fourth capacitor C4 is connected between one end of the fourth resistor R4 and one end of the sixth resistor R6. One end of a fourth capacitor C4 is connected between the fourth resistor R4 and the fifth resistor R5, and the other end of the fourth capacitor C4 is connected between the sixth resistor R6 and the seventh resistor R7. In this embodiment, the microphone sensor ECM may be a 2P/1.0mm microphone, and the microphone sensor ECM is disposed on the surface of the charging chamber, and is configured to collect an external voice signal and output the external voice signal to the voice terminal of the voice processing circuit through the voice output circuit. The signal collected by the microphone sensor ECM is output to the first voice terminal MIC _ IN0P of the main control chip U1 through the voice output terminal MIC +.
In the case of the example 5, the following examples were conducted,
in some embodiments, referring to fig. 5, the power supply circuit includes a power supply chip U2, an eighth resistor R8, a first inductor L2, a first diode D1, a second diode D2, a fifth capacitor C5, and a sixth capacitor C6; the input end of the power supply chip U2 is connected with the charging bin battery through a first inductor and is grounded through a first diode and a fifth capacitor which are connected in sequence; the output end of the power supply chip outputs a power supply VCC through a second diode and is grounded through a sixth capacitor; and the output end of the power supply chip is connected with the charging bin battery through an eighth resistor. In this embodiment, the power supply chip of the present application may be a chip with a model number XC6371a501 PR. The power supply chip is used for converting a battery power supply into a power supply of the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit for supplying power. The eighth resistor R8, the first inductor L2, the first diode D1, the second diode D2, the fifth capacitor C5 and the sixth capacitor C6 are used for voltage division filtering and stabilizing the circuit. The input voltage of the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit can be the same power supply or different power supplies; when the input power supplies of the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit are different, power supply conversion can be carried out through other power supply chips and peripheral circuits.
According to the charging bin, the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit are arranged, after the voice acquisition circuit acquires external voice input, the voice input is transmitted to the voice processing circuit to be processed, the voice processing circuit identifies input signals, the enable signals of the electromagnetic control circuit are output and controlled according to the input signals, and the opening or closing of the opening or closing opening of the charging bin is controlled through the electromagnetic control circuit. The voice recognition control is realized to replace the action of manually touching or pressing a key; the earphone sleeve is prevented from being easily opened under the action of external force, the interior of the charging bin is exposed outside, so that the charging bin and the earphone are easily damaged, and the earphone is effectively protected; meanwhile, user experience is improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A voice recognition on-off circuit for a charging bin is characterized by being applied to an earphone charging bin and comprising a voice acquisition circuit, a voice processing circuit, an electromagnetic control circuit and a power supply circuit,
the power supply circuit is connected with the voice acquisition circuit, the voice processing circuit and the electromagnetic control circuit, the input end of the voice processing circuit is connected with the voice acquisition circuit, and the output end of the voice processing circuit is connected with the electromagnetic control circuit;
the electromagnetic control circuit is connected with an electromagnetic winding arranged at the opening and closing of the earphone charging bin, and controls the power-on and power-off of the electromagnetic winding by receiving a signal of the voice processing circuit.
2. The voice recognition on-off circuit for the charging bin as claimed in claim 1, wherein the voice processing circuit comprises a main control chip, the main control chip is provided with a voice end, an enabling end and a power supply end, the voice end is connected with the voice acquisition circuit, the enabling end is connected with the electromagnetic control circuit, and the power supply end is connected with the power supply circuit.
3. The voice recognition on-off circuit for the charging bin as claimed in claim 2, wherein the electromagnetic control circuit comprises a first switch circuit, a second switch circuit and a third switch circuit,
the first switch circuit is respectively connected with the enabling end, the second switch circuit and the third switch circuit, and the first switch circuit controls the second switch circuit and the third switch circuit to be switched on and off; the second switch circuit is respectively connected with the power supply circuit and the positive input end of the electromagnetic winding; and the third switch circuit is respectively connected with the negative electrode output end of the electromagnetic winding and the power ground.
4. The voice recognition start-stop circuit for the charging chamber according to claim 3, wherein the first switch circuit comprises a first triode,
the base electrode of the first triode is connected with the power supply end through a first resistor, the collector electrode of the first triode is respectively connected with the second switch circuit and the third switch circuit, and the emitting electrode of the first triode is grounded.
5. The voice recognition start-stop circuit for the charging chamber as claimed in claim 4, wherein the second switch circuit comprises a first MOS transistor,
the grid electrode of the first MOS tube is connected with the first switch circuit, the drain electrode of the first MOS tube is connected with the power supply circuit, the source electrode of the first MOS tube is connected with the positive electrode input end of the electromagnetic winding, and the grid electrode of the first MOS tube is connected with the drain electrode of the first MOS tube through the second resistor.
6. The voice recognition start-stop circuit for the charging chamber according to claim 5, wherein the third switch circuit comprises a second triode,
the base electrode of the second triode is connected with the first switch circuit, the emitting electrode of the second triode is connected with the negative electrode output end of the electromagnetic winding, the collecting electrode of the second triode is grounded, and the base electrode of the second triode is connected with the collecting electrode of the first triode through the third resistor.
7. The voice recognition start-stop circuit for the charging chamber according to claim 6, wherein the first transistor is an NPN transistor, and the second transistor is a PNP transistor.
8. The voice recognition start-stop circuit for the charging bin as claimed in claim 2, wherein the voice collecting circuit comprises a microphone sensor and a voice output circuit, the microphone sensor is arranged on the surface of the earphone charging bin, one end of the voice output circuit is connected with the microphone sensor, and the other end of the voice output circuit is connected with the voice end.
9. The voice recognition start-stop circuit for the charging chamber as claimed in claim 8, wherein the microphone sensor comprises a voice output end and a grounding end, and the voice end comprises a first voice end and a second voice end;
the voice output circuit comprises a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor;
the voice output end is connected with the power supply circuit through a fourth resistor and a fifth resistor, and is connected with the first voice end through a first capacitor;
the grounding end is connected with a power ground through a sixth resistor and a seventh resistor, and is connected with the second voice end through a second capacitor;
the third capacitor is connected between the voice output end and the grounding end, one end of the fourth capacitor is connected between the fourth resistor and the fifth resistor, and the other end of the fourth capacitor is connected between the sixth resistor and the seventh resistor.
10. The voice recognition start-stop circuit for the charging bin is characterized in that the power supply circuit comprises a power supply chip, an eighth resistor, a first inductor, a first diode, a second diode, a fifth capacitor and a sixth capacitor;
the input end of the power supply chip is connected with the charging bin battery through a first inductor and is grounded through a first diode and a fifth capacitor which are connected in sequence; the output end of the power supply chip outputs a power supply through a second diode and is grounded through a sixth capacitor; and the output end of the power supply chip is connected with the charging bin battery through an eighth resistor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220078343.XU CN216957441U (en) | 2022-01-12 | 2022-01-12 | Voice recognition opening and closing circuit for charging bin |
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| CN202220078343.XU CN216957441U (en) | 2022-01-12 | 2022-01-12 | Voice recognition opening and closing circuit for charging bin |
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| CN216957441U true CN216957441U (en) | 2022-07-12 |
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| CN202220078343.XU Active CN216957441U (en) | 2022-01-12 | 2022-01-12 | Voice recognition opening and closing circuit for charging bin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117499840A (en) * | 2024-01-03 | 2024-02-02 | 广州市锐丰音响科技股份有限公司 | Operation module with sound device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117499840A (en) * | 2024-01-03 | 2024-02-02 | 广州市锐丰音响科技股份有限公司 | Operation module with sound device |
| CN117499840B (en) * | 2024-01-03 | 2024-04-30 | 广州市锐丰音响科技股份有限公司 | Operation module with sound device |
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