Intelligent voice wine box

Abstract

The utility model belongs to the technical field of voice control, and relates to an intelligent voice wine box, which comprises an MCU (Microprogrammed Control Unit), a voice intelligent Internet of Things chip, an audio power amplifier circuit, an LED (Light Emitting Diode) power supply control circuit, a charging management circuit and a charging and discharging protection circuit, the voice intelligent Internet of Things chip is respectively connected with the audio power amplifier circuit, the LED power supply control circuit and the charging and discharging protection circuit, the charging management circuit is connected with the charging and discharging protection circuit, and the voice intelligent Internet of Things chip is connected with the MCU. Therefore, safe and efficient charging of the wine box battery is ensured, potential risks such as over-charging and over-discharging are effectively prevented, the service life of the battery is prolonged, and the reliability and durability of the product are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to voice control technical field more specifically, relate to a kind of intelligent voice wine box. BACKGROUND

[0002] Intelligent voice wine box is a wine box design integrated with voice technology, it conveys product information or provides user interactive experience by voice function.This wine box not only has the packaging function of traditional wine box, but also can realize special purpose through voice chip, such as voice prompt, voice introduction, etc., enhance the interactivity and interest of product.

[0003] However, in prior art, intelligent voice wine box still has some defects, for example, lack of safety protection. INVENTION CONTENTS

[0004] In view of the above defects of prior art, the utility model provides an intelligent voice wine box, comprising:

[0005] MCU, voice intelligent internet-of-things chip, audio power amplifier circuit, LED power control circuit, charging management circuit and charge and discharge protection circuit, the voice intelligent internet-of-things chip is connected with the audio power amplifier circuit, the LED power control circuit and the charge and discharge protection circuit respectively, the charging management circuit is connected with the charge and discharge protection circuit, the voice intelligent internet-of-things chip is connected with the MCU.

[0006] Preferably, the MCU includes: STM32 series MCU, NXP's LPC series MCU or US665D31.

[0007] Preferably, the voice intelligent internet-of-things chip includes: hummingbird B1 L chip.

[0008] Preferably, the audio power amplifier circuit includes: the pin 1 of audio power amplifier chip U2 is connected with one end of resistance R3, the pin 2 of audio power amplifier chip U2 is connected with one end of capacitor C7 and the pin 3 of audio power amplifier chip U2 respectively, the pin 4 of audio power amplifier chip U2 is connected with one end of resistance R4 and one end of resistance R5 respectively, the pin 5 of audio power amplifier chip U2 is connected with the other end of resistance R5, the pin 6 of audio power amplifier chip U2 is connected with one end of capacitor C9 and one end of capacitor C10 respectively.

[0009] Preferably, the LED power control circuit includes: the source of MOS tube Q1 is connected with the pin 2 of switch S1 and one end of resistance R6 respectively, the gate of MOS tube Q1 is connected with the other end of resistance R6 and the collector of triode Q2 respectively, the base of triode Q2 is connected with one end of resistance R8 and one end of resistance R10 respectively.

[0010] Preferably, the charging management circuit comprises: the pin 1 of the lithium battery charger chip U3 is connected with the negative electrode of the diode D1, the positive electrode of the diode D1 is connected with one end of the resistor R9 and the positive electrode of the diode D2 respectively, the other end of the resistor R9 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with one end of the capacitor C1 and the pin 4 of the lithium battery charger chip U3 respectively, the pin 3 of the lithium battery charger chip U3 is connected with one end of the capacitor C12, and the pin 5 of the lithium battery charger chip U3 is connected with one end of the resistor R11.

[0011] Preferably, the charging and discharging protection circuit comprises: the pin 2 of the protection chip U4 is connected with one end of the capacitor C13 and one end of the resistor R12 respectively, the pin 3 of the protection chip U4 is connected with the other end of the capacitor C13 and one end of the resistor R13 respectively, and the other end of the resistor R12 is connected with the pin of the protection chip U4 and the pin 5 of the protection chip U4 and grounded.

[0012] Preferably, the audio power amplifier chip U2 comprises: any one of LM4871 MX, TPA3136D2 and TDA7498.

[0013] Preferably, the lithium battery charger chip U3 comprises: TP4055C.

[0014] Preferably, the protection chip U4 comprises: XB5352A.

[0015] The intelligent voice wine box of the utility model has the following beneficial effects:

[0016] The MCU serves as a core control brain, is responsible for logical operation and instruction issuing of the overall system, and ensures that the modules work cooperatively;

[0017] The voice intelligent Internet of Things chip endows the wine box with voice recognition and Internet of Things communication capability, the user can control the wine box through voice instructions, seamless docking with the smart home system is realized, and the intelligent level of life is improved;

[0018] The optimized design of the audio power amplifier circuit ensures high-quality audio output, and whether music or voice prompts are played, clear and full sound effect experience can be presented;

[0019] The LED power control circuit is responsible for adjusting the atmosphere light on the wine box, creating unique visual enjoyment, and enhancing the ritual sense of the use scene.

[0020] The addition of the charging management circuit and the charging and discharging protection circuit not only ensures the safety and efficient charging of the wine box battery, but also effectively prevents potential risks such as overcharging and overdischarging, prolongs the service life of the battery, and improves the reliability and durability of the product. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor. The present application will be further described below in combination with the drawings and embodiments. In the drawings:

[0022] Figure 1 is a schematic diagram of the structure module of the intelligent voice wine box of the present application;

[0023] Figure 2 is a circuit diagram of the audio power amplifier circuit in the intelligent voice wine box of the present application;

[0024] Figure 3 is a circuit diagram of the LED power supply control circuit in the intelligent voice wine box of the present application;

[0025] Figure 4 is a circuit diagram of the charging management circuit in the intelligent voice wine box of the present application;

[0026] Figure 5 is a circuit diagram of the charging management circuit in the intelligent voice wine box of the present application. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0030] Please refer to Figure 1 , the structure module schematic diagram of the intelligent voice wine box of the present application is shown. As Figure 1 shown, in the intelligent voice wine box provided by the first embodiment of the present application, at least including MCU, voice intelligent Internet of Things chip, audio power amplifier circuit, LED power control circuit, charging management circuit and charge protection circuit, the voice intelligent Internet of Things chip is connected with the audio power amplifier circuit, the LED power control circuit and the charge protection circuit respectively, the charging management circuit is connected with the charge protection circuit, and the voice intelligent Internet of Things chip is connected with the MCU.

[0031] In specific implementation, the MCU includes: STM32 series MCU, NXP's LPC series MCU or US665D31.

[0032] The MCU is the core control brain, responsible for the logical operation and instruction issuing of the whole system, ensuring the collaborative work of each module. The voice intelligent Internet of Things chip endows the wine box with voice recognition and Internet of Things communication capability, so that the user can control the wine box through voice instructions, and at the same time realize seamless docking with the smart home system, improving the intelligent level of life.

[0033] The voice intelligent Internet of Things chip includes but is not limited to Hummingbird B1 L chip and the like. Hummingbird B1 L chip is a high-performance, high-integration, low-cost voice intelligent Internet of Things chip specially designed for online and offline far-field voice interaction scene. The chip integrates advanced technologies such as voice recognition, semantic understanding, natural language processing, speech synthesis and sound noise reduction algorithm, realizing "cloud chip" integrated layout, and providing excellent voice interaction experience for users.

[0034] The biggest highlight of Hummingbird B1 L chip lies in its powerful offline voice recognition capability. Without network connection, the chip can still accurately recognize the user's voice instructions and realize fast response. This feature not only improves the user experience, but also effectively protects the user privacy. At the same time, the chip also supports customer-defined voice model, meeting the individual needs of different fields and scenes.

[0035] Figure 2 is the audio power amplifier circuit circuit diagram in the intelligent voice wine box of the utility model. As shown in Figure 2 , the audio power amplifier circuit includes: the pin 1 of the audio power amplifier chip U2 is connected with one end of the resistor R3, the pin 2 of the audio power amplifier chip U2 is connected with one end of the capacitor C7 and the pin 3 of the audio power amplifier chip U2 respectively, the pin 4 of the audio power amplifier chip U2 is connected with one end of the resistor R4 and one end of the resistor R5 respectively, the pin 5 of the audio power amplifier chip U2 is connected with the other end of the resistor R5, the pin 6 of the audio power amplifier chip U2 is connected with one end of the capacitor C9 and one end of the capacitor C10 respectively.

[0036] The audio power amplifier chip U2 includes but is not limited to any one of LM4871 MX, TPA3136D2 and TDA7498.

[0037] LM4871 MX has the advantages of high efficiency, low power consumption, small size and low cost, and has various protection mechanisms such as overheat protection and overload protection, which can ensure the safety of the chip and the loudspeaker.

[0038] The TPA3136D2 of TI adopts PurePath Digital technology, supports various digital audio formats, has the characteristics of low power consumption, low distortion, wide dynamic range and high efficiency. It can also automatically adjust the power output according to the power demand of the input signal, provide efficient power conversion and low power consumption operation.

[0039] The TDA7498 of ST adopts advanced BTL technology, which can realize high power output under low voltage condition, and is very suitable for application scenarios such as sound system, home theater system and other applications requiring high power output. In addition, the chip also has good sound quality performance, which can provide clear and delicate audio output.

[0040] The main function of these audio power amplifier chips is to amplify the weak input electrical signal and output it, improve the volume, so that the sound equipment can play higher quality audio. Through different technologies and designs, they realize high efficiency, low power consumption, high fidelity and other performance advantages.

[0041] Figure 3 is the LED power control circuit circuit diagram in the intelligent voice wine box of the utility model. As shown in Figure 3 , the LED power control circuit includes: the source of the MOS tube Q1 is connected with the pin 2 of the switch S1 and one end of the resistor R6 respectively, the gate of the MOS tube Q1 is connected with the other end of the resistor R6 and the collector of the triode Q2 respectively, the base of the triode Q2 is connected with one end of the resistor R8 and one end of the resistor R10 respectively.

[0042] Figure 4It is the charging management circuit circuit diagram in the intelligent voice wine box of the utility model. Figure 4 As shown in the figure, the charging management circuit comprises: the pin 1 of the lithium battery charger chip U3 is connected with the negative electrode of the diode D1, the positive electrode of the diode D1 is connected with one end of the resistor R9 and the positive electrode of the diode D2 respectively, the other end of the resistor R9 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with one end of the capacitor C1 and the pin 4 of the lithium battery charger chip U3 respectively, the pin 3 of the lithium battery charger chip U3 is connected with one end of the capacitor C12, and the pin 5 of the lithium battery charger chip U3 is connected with one end of the resistor R11.

[0043] The lithium battery charger chip U3 comprises but is not limited to TP4055C and the like.

[0044] During charging, TP4055C first activates the battery through the trickle charging mode, and when the battery voltage reaches 2.9V or above, the charger enters the constant current mode to provide a stable charging current.

[0045] In addition, TP4055C also has various protection functions such as under-voltage lockout, input over-voltage protection, automatic recharging, etc.

[0046] Figure 5 It is the charging management circuit charging and discharging protection circuit circuit diagram in the intelligent voice wine box of the utility model. Figure 5 As shown in the figure, the charging and discharging protection circuit comprises: the pin 2 of the protection chip U4 is connected with one end of the capacitor C13 and one end of the resistor R12 respectively, the pin 3 of the protection chip U4 is connected with the other end of the capacitor C13 and one end of the resistor R13 respectively, the other end of the resistor R12 is connected with the pin of the protection chip U4 and the pin 5 of the protection chip U4 and grounded.

[0047] The protection chip U4 includes but is not limited to XB5352A and the like. The XB5352A is a high-integration protection chip specially designed for single lithium-ion / lithium polymer rechargeable battery pack. The chip integrates advanced power MOSFET, high-precision voltage detection circuit and delay circuit, through the SOT-23-5 package form, only one external device is needed, the space minimization of the battery protection circuit can be realized, and it is very suitable for application in the space-limited rechargeable battery pack.

[0048] The main functions of the XB5352A include: providing comprehensive battery protection functions such as overcharge, overdischarge, overcurrent, overtemperature and short circuit. When the battery charging voltage exceeds the specified value, the chip will automatically cut off the charging circuit to prevent battery overcharge; during the battery discharging process, if the discharging voltage is lower than the specified value, the XB5352A will cut off the discharging circuit to avoid battery overdischarge and ensure the service life of the battery. In addition, when the current of the battery exceeds the specified value, the XB5352A will automatically reduce the on-resistance to limit the increase of the current, preventing the battery from overheating and damage.

[0049] The working principle of the utility model is:

[0050] The MCU can control the opening and closing of the hummingbird B1L chip. The hummingbird B1L chip collects user wake-up and control instructions through the MIC, drives the loudspeaker to broadcast specific propaganda language through the audio power amplifier, and controls the LED light plate through the LED circuit control circuit. The built-in lithium battery is charged through the Type-C interface, and the charging and lithium battery protection circuit are integrated. The audio power amplifier circuit amplifies the analog audio data to drive the loudspeaker to report the information. The LED interfaces 1 / 2 are respectively connected with the two lighting light plates on the wine box.

[0051] The utility model has the advantages that:

[0052] The MCU serves as the core control brain, is responsible for the logical operation and instruction issuing of the overall system, and ensures the collaborative work of various modules;

[0053] The voice intelligent Internet of Things chip endows the wine box with voice recognition and Internet of Things communication capability, the user can control the wine box through voice instructions, and at the same time realizes seamless connection with the smart home system, and improves the intelligent level of life;

[0054] The optimized design of the audio power amplifier circuit ensures high-quality audio output, whether playing music or voice prompt, can present clear and full sound effect experience;

[0055] The LED power control circuit is responsible for adjusting the atmosphere light on the wine box, creating a unique visual enjoyment, and enhancing the ritual sense of the use scene;

[0056] The addition of the charging management circuit and the charge and discharge protection circuit not only ensures safe and efficient charging of the wine box battery, but also effectively prevents potential risks such as overcharging and overdischarging, prolongs the service life of the battery, and improves the reliability and durability of the product.

[0057] The utility model is described according to specific embodiments, but those skilled in the art should understand that various changes and equivalent replacements can be made without departing from the scope of the utility model. In addition, in order to adapt to specific occasions of the utility model technology, the utility model can be modified in many ways without departing from its protection scope. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all embodiments falling within the scope of the claims.

Claims

1. A smart voice-activated wine box, characterized in that, include: The system includes an MCU, a voice-enabled smart IoT chip, an audio amplifier circuit, an LED power control circuit, a charging management circuit, and a charge / discharge protection circuit. The voice-enabled smart IoT chip is connected to the audio amplifier circuit, the LED power control circuit, and the charge / discharge protection circuit, respectively. The charging management circuit is connected to the charge / discharge protection circuit, and the voice-enabled smart IoT chip is connected to the MCU. The MCU includes: US665D31; The protection chip U4 includes: XB5352A; The charging and discharging protection circuit includes: pin 2 of protection chip U4 is connected to one end of capacitor C13 and one end of resistor R12 respectively; pin 3 of protection chip U4 is connected to the other end of capacitor C13 and one end of resistor R13 respectively; and the other end of resistor R12 is connected to pin 5 of protection chip U4 and grounded.

2. The intelligent voice-activated wine box according to claim 1, characterized in that, The voice-enabled smart IoT chip includes the Hummingbird B1L chip.

3. The intelligent voice-activated wine box according to claim 1, characterized in that, The audio amplifier circuit includes: pin 1 of audio amplifier chip U2 is connected to one end of resistor R3; pin 2 of audio amplifier chip U2 is connected to one end of capacitor C7 and pin 3 of audio amplifier chip U2 respectively; pin 4 of audio amplifier chip U2 is connected to one end of resistor R4 and one end of resistor R5 respectively; pin 5 of audio amplifier chip U2 is connected to the other end of resistor R5; and pin 6 of audio amplifier chip U2 is connected to one end of capacitor C9 and one end of capacitor C10 respectively.

4. The intelligent voice-activated wine box according to claim 1, characterized in that, The LED power control circuit includes: the source of MOSFET Q1 is connected to pin 2 of switch S1 and one end of resistor R6, the gate of MOSFET Q1 is connected to the other end of resistor R6 and the collector of transistor Q2, and the base of transistor Q2 is connected to one end of resistor R8 and one end of resistor R10.

5. The intelligent voice-activated wine box according to claim 1, characterized in that, The charging management circuit includes: pin 1 of lithium battery charger chip U3 is connected to the negative terminal of diode D1; the positive terminal of diode D1 is connected to one end of resistor R9 and the positive terminal of diode D2; the other end of resistor R9 is connected to one end of resistor R7; the other end of resistor R7 is connected to one end of capacitor C1 and pin 4 of lithium battery charger chip U3; pin 3 of lithium battery charger chip U3 is connected to one end of capacitor C12; and pin 5 of lithium battery charger chip U3 is connected to one end of resistor R11.

6. The intelligent voice-activated wine box according to claim 3, characterized in that, The audio amplifier chip U2 includes any one of LM4871MX, TPA3136D2 and TDA7498.

7. The intelligent voice-activated wine box according to claim 5, characterized in that, The lithium battery charger chip U3 includes: TP4055C.

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