CN207783117U - A kind of air purifier voice cue module - Google Patents
A kind of air purifier voice cue module Download PDFInfo
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- CN207783117U CN207783117U CN201721797031.XU CN201721797031U CN207783117U CN 207783117 U CN207783117 U CN 207783117U CN 201721797031 U CN201721797031 U CN 201721797031U CN 207783117 U CN207783117 U CN 207783117U
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Abstract
The utility model provides a kind of air purifier voice cue module,Power-switching circuit is used to 5V voltages being converted to 3.3V voltages,Main control chip circuit connects flash storage circuits by the pin of main control chip,External interface circuit and power amplification circuit,The flash storage circuits are used to carry out SPI communication with main control chip,The power-switching circuit provides 3.3V voltages for flash storage circuits,The external interface circuit is used to provide 5V voltages to entire voice cue module and carries out SPI communication for realizing voice cue module and air purifier,The power amplification circuit is used to amplify the included audio codec audio-frequency information volume decoded of main control chip,The utility model solves the problems, such as that existing air purifier can not carry out voice prompt,Associated scenario can be triggered according to user carry out corresponding voice broadcast,Improve the intelligent level of air purifier.
Description
Technical field
The utility model is related to a kind of voice prompt broadcasting module circuit, the voice for being especially applied to air purifier carries
Show module.
Background technology
With the development of science and technology, people's living standard is higher and higher, the demand for development of intelligent appliance is also higher and higher, empty
Requirement of the gas purifier due to current people to environmental quality improves, and making it, sales volume is also increasing in the market.But it is existing
It is only merely to play purification air to play the role of air purifier mostly, cannot carry out adaptable carry according to the operation of user
Show, intelligence degree is relatively low, cannot meet consumer demand.
Utility model content
The purpose of this utility model is to provide a kind of air purifier voice cue modules, solve existing air purifier
The problem of can not carrying out voice prompt, can trigger associated scenario according to user and carry out corresponding voice broadcast.
The technical solution of the utility model：A kind of air purifier voice cue module, including power-switching circuit and master
Chip circuit is controlled, the power-switching circuit is used to 5V voltages being converted to 3.3V voltages, and the main control chip circuit passes through master
Control pin connection flash storage circuits, external interface circuit and the power amplification circuit of chip, the flash storage circuits
For carrying out SPI communication with main control chip U1, the power-switching circuit provides 3.3V voltages for flash storage circuits, described
External interface circuit is used to provide 5V voltages to entire voice cue module and for realizing voice cue module and air purification
Device carries out SPI communication, and the power amplification circuit is used to amplify the included audio codec sounds decoded of main control chip U1
Frequency information volume.
The power-switching circuit includes power supply conversion driving chip, the input terminal P1 of the power supply conversion driving chip U2
Foot connects 5V control sources with P2 feet, and the one end for the capacitance C1 and capacitance C2 that the connection of 5V control sources is connected in parallel is connected in parallel
Capacitance C1 and capacitance C2 other end ground connection, access after the input terminal P3 foot series capacitances C3 of the power supply conversion driving chip
The ground terminal of the capacitance C1 and capacitance C2 that are connected in parallel, the output end P6 feet output 3.3V electricity of the power supply conversion driving chip
Pressure, is in series with capacitance C4 between the output end P6 feet and P4 feet of power supply conversion driving chip, and capacitance C4 mono- terminates 3.3V voltages
The other end is grounded.
The power supply conversion driving chip is RT9193 chips.
The main control chip circuit includes main control chip, and the main control chip is the rom of included audio codec
ML610Q304 chips, the main control chip two pins difference series capacitance C5 and capacitance C6 after ground connection to main control chip
It is filtered, 5V control sources connect one end of resistance R1, and the other end of resistance R1 is separately connected the pin and electricity of main control chip
Hold one end of C7, the other end ground connection of capacitance C7 is powered to realize to main control chip U1.
The flash storage circuits include storage chip, and the storage chip uses W25Q80 chips, the storage chip
P1 feet connection diode D1 output end, the output end of diode is separately connected the SPI_MISO pins and resistance of main control chip
The P2 feet of one end of R2, another termination 5V control sources of resistance R2, the storage chip are connected by the resistance R3 being connected in series with
The SPI_MOSI pins of main control chip are connected to, the P3 feet of storage chip are connected to main control chip by the resistance R4 being connected in series with
SPI_SCK pins, the P5 feet of storage chip are connected to the SPI_CS pins of main control chip by the resistance R5 being connected in series with, storage
The P4 feet of chip are grounded, and P6 feet, P7 feet and the P8 feet of storage chip connect 3.3V inputs, and shunt capacitance C14, capacitance C14 with
Ground connects.
The external interface circuit includes one end of the P1 feet connection inductance L1 of 6 foot slot J1, slot J1, and inductance L1's is another
One end connects external 5V control sources, one end is also connected in parallel on inductance L1 is grounded one end and connect external 5V control sources
Capacitance C12, the P2 feet of slot J1 are grounded after being connected in series with inductance L2 and capacitance C13, the P3 feet of slot J1, P4 feet, P5 feet and
P6 feet are connected to the SPI communication pin of main control chip, are also parallel with the electricity of ground connection respectively on P3 feet, P4 feet, P5 feet and P6 feet
Hold C11, capacitance C10, capacitance C9 and capacitance C8.
The power amplification circuit includes power drive chip, and power drive chip is MD4123 chips, main control chip
Sound output pin is connected respectively is input to capacitance C15 and capacitance C16, then series resistance R6 and resistance R7, is input to power drive
The GPIO pin of the P1 feet and P2 feet of chip, main control chip is connected as the enabled foot of power drive chip into power drive chip
P4 feet, be linked into the P6 feet of power drive chip after 5V control source series resistances R8, the P5 feet ground connection of power drive chip,
Be connected in parallel to capacitance C17 and capacitance C18 between the P6 feet and P5 feet of power drive chip, the P7 feet of power drive chip and
P8 feet are connected in series with 2 pins that loud speaker is respectively connected to after inductance L4 and inductance L3 respectively, and 2 pins of loud speaker are also distinguished
It is grounded after series capacitance C19 and capacitance C20.
The slot J1 is used for power-switching circuit, main control chip circuit, flash storage circuits and power amplification electricity
Road 5V control sources.
The utility model has the beneficial effects that：Solve the problems, such as that existing air purifier can not carry out voice prompt, it can
Associated scenario is triggered according to user and carries out corresponding voice broadcast, improves the intelligent level of air purifier.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model integrated circuit structural schematic diagram.
In figure：1- power-switching circuits, 2- main control chip circuits, 3-flash storage circuits, 4- external interface circuits, 5-
Power amplification circuit.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of air purifier voice cue module, including
Power-switching circuit 1 and main control chip circuit 2, the power-switching circuit 1 is used to 5V voltages being converted to 3.3V voltages, described
Main control chip circuit 2 connects flash storage circuits 3, external interface circuit 4 and power amplification by the pin of main control chip U1
Circuit 5, for the flash storage circuits with 3 in carrying out SPI communication with main control chip U1, the power-switching circuit 1 is flash
Storage circuit 3 provides 3.3V voltages, and the external interface circuit 4 is used to provide 5V voltages to entire voice cue module and be used for
Realize that voice cue module carries out SPI communication with air purifier, the power amplification circuit 5 is for amplifying main control chip U1 certainly
The audio codec audio-frequency information decoded of band.
Referring to Fig. 2, the power-switching circuit 1 includes power supply conversion driving chip U2, the power supply conversion driving core
The input terminal P1 feet of piece U2 connect 5V control sources with P2 feet, and 5V control sources connect the capacitance C1's and capacitance C2 being connected in parallel
The other end of one end, the capacitance C1 being connected in parallel and capacitance C2 are grounded, the input terminal P3 feet of the power supply conversion driving chip U2
The ground terminal of the capacitance C1 and capacitance C2 that are connected in parallel, the output of the power supply conversion driving chip U2 are accessed after series capacitance C3
It holds P6 feet to export 3.3V voltages, capacitance C4 is in series between the output end P6 feet and P4 feet of power supply conversion driving chip U2, electricity
Hold C4 mono- and terminates 3.3V voltage other ends ground connection.
The power supply conversion driving chip U2 is RT9193 chips.
The main control chip circuit 2 includes sieve that main control chip U1, the main control chip U1 are included audio codec
Nurse ML610Q304 chips, the main control chip U1 two pins difference series capacitance C5 and capacitance C6 after ground connection to master control
Chip U1 is filtered, and 5V control sources connect one end of resistance R1, and the other end of resistance R1 is separately connected main control chip U1's
The other end ground connection of one end of pin and capacitance C7, capacitance C7 is powered with realizing to main control chip U1.
The flash storage circuits 3 include storage chip U3, and the storage chip U3 uses W25Q80 chips, described to deposit
The output end of the P1 feet connection diode D1 of chip U3 is stored up, the output end of diode is separately connected the SPI_MISO of main control chip U1
The P2 feet of one end of pin and resistance R2, another termination 5V control sources of resistance R2, the storage chip U3 pass through the company of series connection
The resistance R3 connect is connected to the SPI_MOSI pins of main control chip U1, and the P3 feet of storage chip U3 pass through the resistance R4 that is connected in series with
The SPI_SCK pins of main control chip U1 are connected to, the P5 feet of storage chip U3 are connected to master control by the resistance R5 being connected in series with
The SPI_CS pins of chip U1, the P4 feet ground connection of storage chip U3, it is defeated that P6 feet, P7 feet and the P8 feet of storage chip U3 meet 3.3V
Enter, and shunt capacitance C14 is connected to ground.
The external interface circuit 4 includes one end of the P1 feet connection inductance L1 of 6 foot slot J1, slot J1, inductance L1's
The other end connects external 5V control sources, and one end is also connected in parallel on inductance L1 and is grounded one end to connect external 5V voltages defeated
The P2 feet of the capacitance C12 entered, slot J1 are grounded after being connected in series with inductance L2 and capacitance C13, P3 feet, P4 feet, the P5 feet of slot J1
It is connected to the SPI communication pin of main control chip U1 with P6 feet, ground connection is also parallel with respectively on P3 feet, P4 feet, P5 feet and P6 feet
Capacitance C11, capacitance C10, capacitance C9 and capacitance C8.
Main control chip carries audio codec, can be directly connected to player plays sound, but its output power just compares
Small only 1.5W, wave volume is with regard to smaller.Therefore it just needs to add power amplification circuit if you need to amplification of volume, the power is put
Big circuit 5 includes power drive chip U4, and power drive chip U4 is MD4123 chips, the sound output pin point of main control chip U1
It Chuan Lian be input to capacitance C15 and capacitance C16, then series resistance R6 and resistance R7, be input to the P1 feet of power drive chip U4
With the GPIO pin of P2 feet, main control chip U1 the P4 into power drive chip U4 is connected as the enabled foot of power drive chip U4
Foot, is linked into the P6 feet of power drive chip U4 after 5V control source series resistances R8, the P5 feet ground connection of power drive chip U4,
Capacitance C17 and capacitance C18, the P7 of power drive chip U4 are connected in parallel between the P6 feet and P5 feet of power drive chip U4
Foot and P8 feet are connected in series with 2 pins that loud speaker is respectively connected to after inductance L4 and inductance L3 respectively, and 2 pins of loud speaker are also
It is grounded after series capacitance C19 and capacitance C20 respectively.Main control chip U1 calls the audio data of storage chip U3 storages and by certainly
It is played out again by loud speaker through power amplification after the audio codec decodings of band.
The slot J1 is used for power-switching circuit, main control chip circuit, flash storage circuits and power amplification electricity
Road 5V control sources.
A kind of air purifier voice cue module of the utility model in order to improve the level of intelligence of air purifier,
By preset some about the required phonetic storage of air purifier in flash memory space, when user trigger phase
When closing scene, air purifier will send instructions to the air purifier voice prompt mould of the utility model by SPI communication
Block reports relevant voice content by power amplification circuit.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of air purifier voice cue module, it is characterised in that：Including power-switching circuit and main control chip circuit, institute
Power-switching circuit is stated for 5V voltages to be converted to 3.3V voltages, the main control chip circuit is connected by the pin of main control chip
Flash storage circuits, external interface circuit and power amplification circuit are connect, the flash storage circuits are used for and main control chip
SPI communication is carried out, the power-switching circuit provides 3.3V voltages for flash storage circuits, and the external interface circuit is used for
5V voltages are provided to entire voice cue module and carry out SPI communication, institute for realizing voice cue module and air purifier
State the power amplification circuit audio codec decoded audio-frequency information volume included for amplifying main control chip；
The power-switching circuit includes power supply conversion driving chip, the input terminal P1 feet and P2 of the power supply conversion driving chip
Foot connects 5V control sources, the one end for the capacitance C1 and capacitance C2 that the connection of 5V control sources is connected in parallel, the capacitance being connected in parallel
The other end of C1 and capacitance C2 are grounded, and in parallel connect is accessed after the input terminal P3 foot series capacitances C3 of the power supply conversion driving chip
The output end P6 feet of the ground terminal of the capacitance C1 and capacitance C2 that connect, the power supply conversion driving chip export 3.3V voltages, in electricity
Capacitance C4 is in series between the output end P6 feet and P4 feet of source conversion driving chip, capacitance C4 mono- terminates another termination of 3.3V voltages
Ground；
The power supply conversion driving chip is RT9193 chips.
2. a kind of air purifier voice cue module according to claim 1, it is characterised in that：The main control chip electricity
Road includes main control chip, and the main control chip is the rom ML610Q304 chips of included audio codec, the main control chip
Two pins for ground connection to be filtered to main control chip, 5V control sources connect resistance after series capacitance C5 and capacitance C6 respectively
One end of R1, the other end of resistance R1 are separately connected one end of the power pins and capacitance C7 of main control chip, and capacitance C7's is another
End ground connection is powered with realizing to main control chip.
3. a kind of air purifier voice cue module according to claim 2, it is characterised in that：The flash storages
Circuit includes storage chip, and the storage chip uses W25Q80 chips, the P1 feet connection diode D1's of the storage chip
Output end, the input terminal of diode are separately connected one end of the SPI_MISO pins and resistance R2 of main control chip, and resistance R2's is another
One termination 5V control sources, the P2 feet of the storage chip are connected to the SPI_ of main control chip by the resistance R3 being connected in series with
MOSI pins, the P3 feet of storage chip are connected to the SPI_SCK pins of main control chip by the resistance R4 being connected in series with, and store core
The P5 feet of piece are connected to the SPI_CS pins of main control chip by the resistance R5 being connected in series with, and the P4 feet ground connection of storage chip is deposited
P6 feet, P7 feet and the P8 feet of storage chip connect 3.3V inputs, and shunt capacitance C14, capacitance C14 are connected to ground.
4. a kind of air purifier voice cue module according to claim 2, it is characterised in that：The external interface electricity
One end of the P1 feet connection inductance L1 on road including 6 foot slot J1, slot J1, it is defeated that the other end of inductance L1 connects external 5V voltages
Enter, one end is also connected in parallel on inductance L1 and is grounded the capacitance C12 that one end connects external 5V control sources, the P2 feet of slot J1
It is grounded after being connected in series with inductance L2 and capacitance C13, P3 feet, P4 feet, P5 feet and the P6 feet of slot J1 are connected to the SPI of main control chip
Communications pins are also parallel with capacitance C11, capacitance C10, capacitance C9 and the electricity of ground connection respectively on P3 feet, P4 feet, P5 feet and P6 feet
Hold C8.
5. a kind of air purifier voice cue module according to claim 2, it is characterised in that：The power amplification electricity
Road includes power drive chip, and power drive chip is MD4123 chips, and the sound output pin of main control chip is connected input respectively
To capacitance C15 and capacitance C16, then series resistance R6 and resistance R7, it is input to the P1 feet and P2 feet of power drive chip, master control core
The GPIO pin of piece connects the P4 feet into power drive chip, 5V control source series electricals as the enabled foot of power drive chip
Be linked into the P6 feet of power drive chip after resistance R8, the P5 feet ground connection of power drive chip, power drive chip P6 feet and
Capacitance C17 and capacitance C18 are connected in parallel between P5 feet, the P7 feet and P8 feet of power drive chip are connected in series with inductance L4 respectively
With 2 pins that loud speaker is respectively connected to after inductance L3, after 2 pins of loud speaker also distinguish series capacitance C19 and capacitance C20
Ground connection.
6. a kind of air purifier voice cue module according to claim 4, it is characterised in that：The slot J1 is used for
To power-switching circuit, main control chip circuit, flash storage circuits and power amplification circuit 5V control sources.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721797031.XU CN207783117U (en) | 2017-12-21 | 2017-12-21 | A kind of air purifier voice cue module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721797031.XU CN207783117U (en) | 2017-12-21 | 2017-12-21 | A kind of air purifier voice cue module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207783117U true CN207783117U (en) | 2018-08-28 |
Family
ID=63227264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721797031.XU Active CN207783117U (en) | 2017-12-21 | 2017-12-21 | A kind of air purifier voice cue module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207783117U (en) |
-
2017
- 2017-12-21 CN CN201721797031.XU patent/CN207783117U/en active Active
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