CN218161881U - Charging switching device with small night lamp - Google Patents

Abstract

The utility model discloses a take switching device that charges of little night-light, include: a housing, and disposed on the housing: the input interface is a USB male connector or a TYPE-C male connector; the first output interface is a USB output port and supplies power through the input interface; the second output interface is a TYPE-C output port and supplies power through the input interface; and the LED night lamp supplies power through the input interface. Through the utility model discloses the user can charge for the cell-phone simultaneously when using little night-light.

Description

Charging switching device with small night lamp

Technical Field

The utility model relates to a power adapter technical field especially relates to a take switching device that charges of little night-light.

Background

Current little night-light mostly does not possess the function of charging, and current little night-light occupies the jack of a power adapter and a commercial power moreover mostly to insert on power adapter.

Therefore, a charging adapter with a small night light is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take switching device that charges of little night-light.

In order to realize the purpose, the utility model provides a technical scheme does: the utility model provides a take charging switching device of little night-light includes: a housing, and disposed on the housing:

the input interface is a USB male connector or a TYPE-C male connector;

the first output interface is a USB output port and supplies power through the input interface;

the second output interface is a TYPE-C output port and supplies power through the input interface;

and the LED night lamp supplies power through the input interface.

Still include the touch module, the touch module set up in inside the casing, when the casing part of touch module top is touched, the touch module control LED night-light switches on or breaks off.

Still include pronunciation AI module, pronunciation AI module set up in inside the casing, when language AI received corresponding speech signal, pronunciation AI module control the LED night-light switches on or breaks off.

The input interface is electrically connected with the first output interface and the second output interface through the voltage reduction circuit.

The LED night lamp is characterized by further comprising a voltage stabilizing circuit, and the input interface is electrically connected with the LED night lamp through the voltage stabilizing circuit.

Compared with the prior art, the utility model discloses when inserting the interface of charger, if the user is ordinary 5V charger, when input interface was USB public, the user can insert first output interface with the data line and charge for equipment, and the data line also can insert second output interface and charge for equipment. If the user is the charger that fills soon, input interface can also be TYPE-C public head, and the electric energy of filling soon is through step-down circuit with voltage drop to 5V flow to USB delivery outlet when charging for equipment. The data line also can be inserted to TYPE-C delivery outlet and charge for equipment, and the protocol of filling soon can be compatible in this moment to charge, is the same with charger output power. When the 5V charger, pronunciation AI module and touch module, the power of 5V charger can directly be taken to the LED night-light, through touch or speech control LED night-light. If it is the charger that fills soon, because voltage can be higher than 5V, then need voltage stabilizing circuit steady voltage to 5V give the touch again, AI module and LED night-light power supply.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

Fig. 1 is a schematic view of an embodiment of the charging adapter with a small night light according to the present invention.

Fig. 2 is a schematic block diagram of the charging adapter with a small night light shown in fig. 1.

Fig. 3 shows a circuit schematic of the input interface.

Fig. 4 is a circuit schematic diagram of the first output interface.

Fig. 5 shows a circuit schematic of the second output interface.

Fig. 6 is a schematic circuit diagram of the step-down circuit.

FIG. 7 is a schematic circuit diagram of a voltage regulator circuit.

Fig. 8 is a schematic circuit diagram of the voice AI module.

Fig. 9 is a schematic circuit diagram of the touch module.

Fig. 10 is a schematic diagram of the circuit of the LED night light.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Hereinafter, if the terms "include", "have" and their derivatives are used in various embodiments of the present invention, they are intended to indicate only specific features, numerals, steps, operations, elements, components or combinations of the foregoing, and should not be construed as first excluding the existence of or adding possibility of one or more other features, numerals, steps, operations, elements, components or combinations of the foregoing.

Furthermore, to the extent that the present disclosure is directed to the terms "first," "second," "third," etc., this is used merely to distinguish one element from another, and is not intended to indicate or imply relative importance.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.

Referring to fig. 1 and 2, the utility model provides a take switching device that charges of little night-light, include: casing 1, and set up on casing 1:

an input interface 2, wherein the input interface 2 is a USB male connector or a TYPE-C male connector, and specifically, the input interface 2 is mainly a USB male connector or a TYPE pec male connector, and can be connected to a charger, a computer or other devices having USB/TYPE-C power supply and data signal transmission;

the first output interface 3 is a USB output port, and supplies power through the input interface 2;

the second output interface 4 is a TYPE-C output port, and supplies power through the input interface 2;

specifically, the first output interface 3 and the second output interface 4 are used for outputting power and data signals. The output end and the input end may be in a relative relationship, and any one of the first output interface 3 and the second output interface 4 may be used as the input end, and the input interface 2 may be used as the output end, for example: input interface 2 connects the slave unit that has the female head of USB/TYPE-C, first output interface 3 and second output interface 4's arbitrary connection has the public leading master equipment of USB/TYPE-C.

LED night-light 5, LED night-light 5 passes through input interface 2 supplies power.

Referring to fig. 1 and 2, the input interface 2, i.e., the charging power input end, is connected to the power adapter: mainly a USB male connector or a TYPE-C male connector.

The voltage reduction circuit 6: when the battery is charged quickly, the voltage is reduced to 5V to the first output interface 3 or the second output interface 4.

Power supply output terminal: namely, the first output interface 3 and the second output interface 4 are USB output ports or TYPE-C output ports.

The voltage stabilizing circuit 7: connected to the power and ground lines of the input and output terminals. When filling soon, press the voltage drop into 5V voltage and give pronunciation AI module 8, touch module 9 or LED night-light 5.

Voice AI module 8: and when receiving the voice awakening and control statement of the person, turning on or turning off the LED night lamp 5.

Referring to FIG. 3, USB _INis a USB male and TYPEC _ IN1 is a TYPEC male. The two heads can be used by selecting one of the two heads according to different chargers. A protection device can be arranged to prevent transient spike voltage when the male plug is inserted into the charger. DP, DM are USB communication lines, i.e. may be used for data transfer or charging protocol transfer. The charger is used for communicating with a mobile phone or an equipment end. CC1 CC2 is a part of the identified line for TYPE-C fast charging protocol.

Referring to fig. 4, USB _out1is a USB female connector, i.e., a USB output port, and is used as an adapter to transmit power obtained from a charger USB _ IN to a mobile phone through USB _ OUT1, and DP and DM are signal communication pins used as data transmission and charging protocol communication functions between the charger and the mobile phone.

Referring to fig. 5, the output port TYPE pec _OUT1, i.e. TYPE-C, functions in accordance with the USB _ OUT1, only the connector is different, and the CC1 and the CC2 are respectively connected with the R3, R8, R9 and R11 resistors, and function as pull-up and pull-down resistors, and are part of charging protocol identification with the mobile phone device end during charging.

The utility model discloses increase the power output end, do the utility model discloses with the biggest difference with current little night-light, after current little night-light connects the charger interface, just occupied the interface of charger to when can leading to the user's cell-phone to charge, need look for another charger again, but this product has expanded one or two mouthful that charge (USB _ OUT1, TYPEC _ OUT1 two exist simultaneously or optional one), the user is when using little night-light, also can charge for the cell-phone simultaneously, need not to look for the charger again.

Referring to fig. 6, U4 is a core chip of a step-down circuit, steps down a voltage value received through 2 pins to a voltage of 5V or less through C13, L1, and outputs through 3 pins. Pins R17, R16, R19 and 8 are feedback circuits, and 5V voltage is fed back to the chip so as to prevent the output voltage from deviating. C15 is a filter capacitance of 5V. C14 is the filter capacitance of the input voltage. The pins R14 and R18 detect the input voltage value. The 6 pins are chip enable terminals. When the charger is charged quickly, the voltage can be higher than 5V, and the voltage of the USB _ OUT1 must be 5V, so that a voltage reduction circuit is added to prevent the damage to equipment, and the maximum current of the circuit can exceed 3A. While a conventional 5V charger does not require this circuit.

Referring to fig. 7, U2 is a voltage regulator, and when the fast charger is used, the VDD voltage is generally above 9V, and in order to ensure the normal operation of the voice AI module, the touch module, and the LED night light, U2 reduces the VDD voltage to 5V or below 5V. C9 is a filter capacitor for VDD, and C8 is a filter capacitor of 5V or less. It should be noted that this circuit is not required when using USB _ IN, which is required when using TYPEC _ IN.

Referring to fig. 8, MK1 is a microphone (electret), which converts a human body sound signal into an electrical signal, C1 filter capacitors, C3 coupling capacitors, and sound flows into 5 pins and 6 pins after MK1 is converted, and U1 is an AI chip, and the inside is decoded by the frequency of sound, and after obtaining the special name of the AI module as a wakeup word, 3 pins output high level, and the drive indicator LED lights, representing the utility model discloses it has been known that a user calls it, and when the user says "turn on the light", "turn off the light", 15 pins output high level or low level to control the turn on or off of the LED night light. For example, the user says: after the intelligence is small and wisdom, the AI chip turns on the LED after identifying to call the AI chip through MK1, the representative knows that the user wakes up the AI chip, and when the user turns on the lamp, the AI chip outputs high level at the foot 15 and turns on the night lamp. C4, C5, C6 and C7 are filter capacitors of U1. R2 is a current limiting resistor. C2 and T1 are antenna circuits which are used for preparing for connecting the Bluetooth of the mobile phone in the future. Y1 is a crystal oscillator element and supplies an oscillation signal to U1. The 13 feet are contact touch feet, and when the product uses voice and touch at the same time, the U1 is a leading chip.

Referring to fig. 9, U3 is a touch detection chip, C11 and C12 are filter capacitors, and T2 is a touch point connected to a housing. C11 is the sensitivity capacitance and R10 is the resistance. When a human body touches the shell, the charges at the T2 position change, when the 1 pin detects that the charges change, the touch is considered to be effective, and the P5 pin outputs a signal to the 13 pins of the U1, so that the effect of turning on or off the lamp through touch is achieved. In the utility model, the voice AI and the touch function can exist simultaneously or can be used separately. When the two exist at the same time, the P5 pin of U3 is connected with the 13 pin of U1. Both touch and voice functions. When the touch module exists independently, the touch module is completely cancelled, namely, the touch module has the functions of turning on and turning off the lamp only by voice. If the voice AI module is completely cancelled, the P5 pin of U3 is connected with the W _ LED, namely, the function of turning on and off the lamp only by touch.

Referring to fig. 10, R4, R5, R6, R7 are current limiting resistors. The LED night lamp is protected from being damaged due to too large current. LEDs 2 to 7 are LED lamp beads for emitting light. Q1 is a transistor functioning as a switch. R12 is a current limiting resistor, and R13 is a pull-down resistor. When the W _ LED is in a high level, Q1 is turned on through R12, and the LED night lamp is turned on to emit light. When W _ LED is in low level, Q1 is closed, and the LED night lamp is turned off and does not emit light. W _ LED is connected to pin 15 of U1 or pin P5 of U3.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims (5)

1. The utility model provides a take switching device that charges of little night-light which characterized in that includes: a housing, and disposed on the housing:

the input interface is a USB male connector or a TYPE-C male connector;

the first output interface is a USB output port and supplies power through the input interface;

the second output interface is a TYPE-C output port and supplies power through the input interface;

and the LED night lamp supplies power through the input interface.

2. The charging adapter device with a small night lamp according to claim 1, further comprising a touch module, wherein the touch module is disposed inside the housing, and when the portion of the housing above the touch module is touched, the touch module controls the LED night lamp to be turned on or off.

3. The charging adapter device with a small night light according to claim 1, further comprising a voice AI module, wherein the voice AI module is disposed inside the housing, and when the voice AI receives a corresponding voice signal, the voice AI module controls the LED night light to be turned on or off.

4. The charging adapter device with a small night light of claim 1, further comprising a voltage-reducing circuit, wherein the input interface is electrically connected to the first output interface and the second output interface through the voltage-reducing circuit.

5. The charging adapter device with a small night lamp according to claim 1, further comprising a voltage regulator circuit, wherein the input interface is electrically connected to the LED night lamp through the voltage regulator circuit.

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