CN209000532U - A kind of elevator auxiliary control circuit based on speech recognition - Google Patents
A kind of elevator auxiliary control circuit based on speech recognition Download PDFInfo
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- CN209000532U CN209000532U CN201821544422.5U CN201821544422U CN209000532U CN 209000532 U CN209000532 U CN 209000532U CN 201821544422 U CN201821544422 U CN 201821544422U CN 209000532 U CN209000532 U CN 209000532U
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Abstract
The utility model relates to a kind of elevator auxiliary control circuit based on speech recognition.The utility model speech recognition module voice messaging for identification, and pass it to main control module；Main control module analysis issues corresponding control command after handling the information, and control command passes to relay control module, and relay control module controls the through and off of relay, while control command is fed back to speech recognition module；Speech recognition module reads the voice messaging stored in voice storage module, while corresponding voice messaging being broadcasted by external loudspeaker.The utility model is directly contacted without people with elevator, and calling instruction registration is realized by voice and sound, both hands has been liberated, has facilitated passenger, disabled person, blind person, child etc. is facilitated and takes elevator.Voice accurately identifies rate and reaches 90%, and speech recognition effect is preferable.Select macrocrystalline series monolithic as main control chip, low in energy consumption, high speed, strong interference immunity, and lower production costs.
Description
Technical field
The utility model belongs to elevator human-computer interaction technique field, and in particular to a kind of elevator auxiliary based on speech recognition
Control circuit.
Background technique
The instruction registration of elevator is realized in the input of the existing instruction registration of elevator by mechanical or touch-button, real
Existing human-computer dialogue；Existing instruction registration needs passenger with hand to operate, and existing elevator instruction register system is deposited as a result,
In following deficiency: button has that mechanical life, there are card resistance phenomenons；Operation by blind, identification are difficult, need dedicated braille by
Button；Disabled person especially wheelchair-bound person is due to insufficient height, it has not been convenient to operate, need special separately with a set of instruction registration system
System.
Application of the speech recognition system on PC and handheld information devices at present is very mature, but is based on
The research that the speech recognition system of single-chip microcontroller is used in elevators field is also immature.The utility model realizes compared with prior art
Speech recognition controlled elevator realizes the human-computer dialogue with elevator by voice.There is primacy and novelty in elevators field.
Summary of the invention
The purpose of this utility model is to provide a kind of elevator auxiliary control circuit based on speech recognition.
The utility model includes speech recognition module, MCU main control module, relay control module, voice storage module.Institute
The speech recognition module stated voice messaging for identification, and pass it to MCU main control module；The analysis of MCU main control module
Corresponding control command is issued after handling the information, control command passes to relay control module, relay control module control
The through and off of relay processed, while control command is fed back into speech recognition module；Speech recognition module reads phonetic storage mould
The voice messaging stored in block, while corresponding voice messaging being broadcasted by external loudspeaker.
The speech recognition module circuit includes speech chip U1, and speech chip U1 uses LD3320 speech chip.Language
29 feet of sound chip U1 connect the cathode of power supply indicator D31, and the anode of power supply indicator D31 meets power supply VCC by resistance R31.
34 feet, 35 feet, 36 feet, 37 feet, 38 feet, 39 feet, 40 feet, 41 feet, 43 feet, 47 feet of speech chip U1 distinguish connecting resistance R21, electricity
Hinder one end of R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30；
Resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance
The other end connection of R30 is followed by power supply VCC.1 foot of speech chip U1,7 feet, the connection of 32 feet are followed by power supply VCC.Speech chip U1
9 feet and 10 feet be microphone input termi-nal, for acquiring voice signal, 9 feet are positive, and 10 feet are negative.One end and pole of capacitor C21
Property capacitor C22 anode connection be followed by 12 feet of speech chip U1, the other end of capacitor C21 and the anode of polar capacitor C22 connect
It is grounded after connecing；12 feet of speech chip U1 are microphone bias end, guarantee that microphone obtains a floating voltage.Speech chip U1
25 feet and 26 feet be loudspeaker export, connect voice storage module, while external loudspeaker.20 feet of speech chip U1 pass through capacitor
One end of C23 connecting resistance R32；One end connection of the other end of resistance R32, one end of resistance R33, capacitor C24 is followed by voice core
21 feet of piece U1；The other end of resistance R33 connect 22 feet for being followed by speech chip U1 with the other end of capacitor C24；Speech chip
22 feet of 20 feet of U1,21 feet of speech chip U1 and speech chip U1 are horn volume control terminal.One end and pole of capacitor C26
Property capacitor C25 anode connection be followed by 18 feet of speech chip U1, the other end of capacitor C26 and the anode of polar capacitor C25 connect
It is grounded after connecing；18 feet of speech chip U1 are voice signal reference voltage end.69 feet of speech chip U1, capacitor C27 one end,
One end of capacitor C28, one end connection of inductance L1 are followed by 19 feet of speech chip U1；Another termination capacitor C29's of inductance L1
One end；The other end connection of the other end of capacitor C27, the other end of capacitor C28, capacitor C29；19 feet of speech chip U1 and 69
Foot is analog power end.8 feet of speech chip U1,33 feet of speech chip U1, speech chip U1 49 feet be ground terminal, connect
Ground.17 feet of speech chip U1,24 feet of speech chip U1 are analogue ground, ground connection.42 feet of speech chip U1 are chip
Allow to be written end, 44 feet of speech chip U1 are that data select end, and 45 feet of speech chip U1 are that chip allows to read end, voice core
46 feet of piece U1 are working mode selection end, and 31 feet of speech chip U1 are clock end, and 48 feet of speech chip U1 are the middle broken ends of fractured bone
Mouthful.
The MCU main control module circuit includes main control chip U2, and main control chip U2 uses STC11L08XE chip.Master control
4 feet of chip U2 connect reset circuit；14 feet and 15 feet of main control chip U2 connect clock circuit, the 16 feet ground connection of main control chip U2.
14 feet of main control chip U2 connect 31 feet of speech chip U1 in speech recognition module circuit.6 feet of main control chip U2 connect voice knowledge
46 feet of speech chip U1 in other modular circuit.8 feet of main control chip U2 meet speech chip U1 in speech recognition module circuit
48 feet.11 feet of main control chip U2 connect 47 feet of speech chip U1 in speech recognition module circuit.12 feet of main control chip U2 connect
42 feet of speech chip U1 in speech recognition module circuit.13 feet of main control chip U2 connect voice core in speech recognition module circuit
45 feet of piece U1.18 feet of main control chip U2 connect 44 feet of speech chip U1 in speech recognition module circuit.Main control chip U2's
19 feet connect 43 feet of speech chip U1 in speech recognition module circuit.38 feet of main control chip U2 connect power supply VCC.
The relay module circuit includes relay K1 and photoelectric coupled device U3.Photoelectric coupled device U3 is by shining
Diode D2 and phototriode Q2 composition；Phototriode Q2 generates electric current because of illumination.The anode of light emitting diode D2 meets MCU
37 feet of main control chip U2 in main control module circuit receive the output signal of main control chip U2；The cathode of light emitting diode D2 is logical
It crosses resistance R11 and is connected to ground.The emitter of phototriode Q2 is connected to the base stage of triode Q1；The current collection of phototriode Q2
One end of pole connecting leakage resistance R6；The emitter of triode Q1 is grounded.The collector of triode Q1, sustained diode 1 it is negative
Pole, sustained diode 7 anode connection after contact relay K1 a coil-end；The positive connecting resistance R1 of sustained diode 1
One end；One end of resistance R1, one end of resistance R6, sustained diode 7 cathode connection after contact relay K1 another line
Enclose end.3 feet of the common end connecting connector P1 of relay K1,1 foot of the normally open end connecting connector P1 of relay K1, relay K1
Normal-closed end connecting connector P1 2 feet.P1 is three foot connectors.
The voice storage module circuit is made of TF memory, and 1 foot of TF storage card and the connection of 4 feet are followed by voice core
2 feet of 26 feet of piece U1, TF storage card connect 25 feet of speech chip U1；It is grounded after 5 feet of TF storage card and the connection of 6 feet.TF is deposited
Card storage is connect with speech recognition module.
4 feet of the main control chip U2 connect the reset circuit of capacitor C01 and resistance R01 composition；The cathode of capacitor C01 with
One end connection of resistance R01 is followed by 4 feet of main control chip U2, and the anode of capacitor C01 connects power supply VCC, another termination of resistance R01
Ground.
14 feet and 15 feet of the main control chip U2 connect clock circuit, and clock circuit includes crystal oscillator Y, capacitor CX1, capacitor
CX2；One end of crystal oscillator Y connect 14 feet for being followed by main control chip U2 with one end of capacitor CX1；The other end and capacitor CX2 of crystal oscillator Y
One end connection be followed by 15 feet of main control chip U2；It is grounded after the other end connection of the other end, capacitor CX2 of capacitor CX1；Master control
Ground terminal GND of 16 feet of chip U2 as clock circuit.
The utility model is directly contacted without people with elevator, and calling instruction registration, liberation are realized by voice and sound
The both hands of passenger, facilitate passenger, especially facilitate disabled person, blind person, child etc. and take elevator.Voice accurately identifies rate
Reach 90%, there is preferable speech recognition effect.Select macrocrystalline series STC11L08XE single-chip microcontroller as main control chip, power consumption
Low, high speed, strong interference immunity, and lower production costs.
Detailed description of the invention
Fig. 1 is the overall structure block diagram of the utility model；
Fig. 2 is the circuit diagram of speech recognition module in Fig. 1；
Fig. 3 is the circuit diagram of MCU main control module in Fig. 1；
Fig. 4 is the circuit diagram of relay control module in Fig. 1；
Fig. 5 is the circuit diagram of voice storage module in Fig. 1.
Specific embodiment
Hereinafter reference will be made to the drawings, and the preferred embodiment of the utility model is described in detail.
As shown in Figure 1, a kind of elevator auxiliary control circuit based on speech recognition, including speech recognition module 1, MCU master
Control module 2, relay control module 3, voice storage module 4.The voice messaging for identification of speech recognition module 1, and by the letter
Breath passes to MCU main control module 2；The analysis of MCU main control module 2 issues corresponding control command, control command after handling the information
Relay control module 3 is passed to, relay control module 3 controls the through and off of relay, believes instead of the instruction of elevator button
Breath；Control command is fed back into speech recognition module 1 simultaneously, speech recognition module 1 reads voice letter in voice storage module 4
Breath, while corresponding voice messaging being broadcasted by external loudspeaker.
As shown in Fig. 2, speech recognition module circuit includes speech chip U1, speech chip U1 uses LD3320 voice core
Piece.It only needs to set the key words list to be identified, and these key words is transmitted to LD3320 in the form of character
It is internal, so that it may which that the key words that user says are identified.
29 feet of speech chip U1 connect the cathode of power supply indicator D31, and the anode of power supply indicator D31 passes through resistance R31
Meet power supply VCC.34 feet, 35 feet, 36 feet, 37 feet, 38 feet, 39 feet, 40 feet, 41 feet, 43 feet, 47 feet of speech chip U1 connect respectively
Resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance
One end of R30；Resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, electricity
The other end connection of resistance R29, resistance R30 are followed by power supply VCC.1 foot of speech chip U1,7 feet, the connection of 32 feet are followed by power supply VCC.
9 feet and 10 feet of speech chip U1 are microphone input termi-nal, and for acquiring voice signal, 9 feet are positive, and 10 feet are negative.Capacitor C21
One end 12 feet for being followed by speech chip U1, the other end and polar capacitor of capacitor C21 are connect with the anode of polar capacitor C22
It is grounded after the anode connection of C22；12 feet of speech chip U1 are microphone bias end, guarantee that microphone obtains a floating electricity
Pressure.25 feet and 26 feet of speech chip U1 are loudspeaker output, connect voice storage module, while external loudspeaker.Speech chip U1
20 feet pass through one end of capacitor C23 connecting resistance R32；The other end of resistance R32, one end of resistance R33, capacitor C24 one end
Connection is followed by 21 feet of speech chip U1；The other end of resistance R33 connect with the other end of capacitor C24 and is followed by speech chip U1's
22 feet；22 feet of 20 feet of speech chip U1,21 feet of speech chip U1 and speech chip U1 are horn volume control terminal.Capacitor
One end of C26 connect 18 feet for being followed by speech chip U1, the other end and the polarity electricity of capacitor C26 with the anode of polar capacitor C25
It is grounded after holding the anode connection of C25；18 feet of speech chip U1 are voice signal reference voltage end.69 feet of speech chip U1,
One end connection of one end of capacitor C27, one end of capacitor C28, inductance L1 is followed by 19 feet of speech chip U1；Inductance L1's is another
One end of termination capacitor C29；The other end connection of the other end of capacitor C27, the other end of capacitor C28, capacitor C29；Voice core
19 feet and 69 feet of piece U1 are analog power end.8 feet of speech chip U1,33 feet of speech chip U1, speech chip U1 49
Foot is ground terminal, ground connection.17 feet of speech chip U1,24 feet of speech chip U1 are analogue ground, ground connection.Speech chip U1
42 feet be that chip allows to be written end, 44 feet of speech chip U1 are that data select end, and 45 feet of speech chip U1 are permitted for chip
Perhaps end is read, 46 feet of speech chip U1 are working mode selection end, and 31 feet of speech chip U1 are clock end, speech chip U1's
48 feet are interruptive port.
As shown in figure 3, MCU main control module circuit includes main control chip U2, main control chip U2 uses STC11L08XE chip.
4 feet of main control chip U2 connect the reset circuit of capacitor C01 and resistance R01 composition；The cathode of capacitor C01 and one end of resistance R01
Connection is followed by 4 feet of main control chip U2, and the anode of capacitor C01 connects power supply VCC, the other end ground connection of resistance R01.Main control chip U2
14 feet and 15 feet connect clock circuit, clock circuit includes crystal oscillator Y, capacitor CX1, capacitor CX2；One end of crystal oscillator Y and capacitor CX1
One end connection be followed by 14 feet of main control chip U2；The other end of crystal oscillator Y connect with one end of capacitor CX2 and is followed by main control chip U2
15 feet；The other end connection of the other end, capacitor CX2 of capacitor CX1 is followed by 16 feet of main control chip U2；The 16 of main control chip U2
Ground terminal GND of the foot as clock circuit.14 feet of main control chip U2 connect 31 of speech chip U1 in speech recognition module circuit
Foot.6 feet of main control chip U2 connect 46 feet of speech chip U1 in speech recognition module circuit.8 feet of main control chip U2 connect voice
48 feet of speech chip U1 in identification module circuit.11 feet of main control chip U2 meet speech chip U1 in speech recognition module circuit
47 feet.12 feet of main control chip U2 connect 42 feet of speech chip U1 in speech recognition module circuit.13 feet of main control chip U2
Connect 45 feet of speech chip U1 in speech recognition module circuit.18 feet of main control chip U2 connect voice in speech recognition module circuit
44 feet of chip U1.19 feet of main control chip U2 connect 43 feet of speech chip U1 in speech recognition module circuit.Main control chip U2
38 feet connect power supply VCC.
As shown in figure 4, relay module circuit includes relay K1 and photoelectric coupled device U3.Photoelectric coupled device U1 by
Light emitting diode D2 and phototriode Q2 composition；Phototriode Q2 generates electric current because of illumination.The anode of light emitting diode D2
37 feet of main control chip U2 in MCU main control module circuit are connect, the output signal of main control chip U2 is received；Light emitting diode D2's is negative
Pole is connected to ground by resistance R11.The emitter of phototriode Q2 is connected to the base stage of triode Q1；Phototriode Q2's
One end of collector connecting leakage resistance R6；The emitter of triode Q1 is grounded.The collector of triode Q1, sustained diode 1
Cathode, sustained diode 7 anode connection after contact relay K1 a coil-end；The positive connecting resistance of sustained diode 1
One end of R1；One end of resistance R1, one end of resistance R6, sustained diode 7 cathode connection after contact relay K1 another
Coil-end.3 feet of the common end connecting connector P1 of relay K1,1 foot of the normally open end connecting connector P1 of relay K1, relay
2 feet of the normal-closed end connecting connector P1 of K1.P1 is that three foot connectors realize speech recognition and step on instead of traditional key switch
Remember the function of elevator instruction.
As shown in figure 5, voice storage module circuit is made of TF memory, 1 foot of TF storage card and the connection of 4 feet are followed by language
2 feet of 26 feet of sound chip U1, TF storage card connect 25 feet of speech chip U1；It is grounded after 5 feet of TF storage card and the connection of 6 feet.
TF storage card is connect with speech recognition module.Voice storage module is used for stored voice message；When the floor needed for reaching, voice
Identification module reads corresponding voice messaging, plays corresponding voice messaging by external loudspeaker.It is more humanized when use, simultaneously
It is also the treatment to special population.
The course of work and principle: voice module circuit uses LD3320 speech chip.According to the prior art, it is only necessary to set
The key words list to be identified well, and these key words are transmitted to inside LD3320 in the form of character, so that it may it is right
The key words that user says identify.29 foot power supply VCC of LD3320 speech chip are referred to by resistance R31, power supply
Show that lamp D31 is accessed.34 feet of LD3320 speech chip meet VCC by pull-up resistor R21 to R28 to 41 feet.LD3320 voice core
1 foot, 7 feet, 32 feet of piece connect VCC.43 foot of chip select terminal and 47 foot of reset terminal of LD3320 speech chip pass through pull-up resistor
R29, R30 meet VCC.43 feet of LD3320 speech chip are connected to the main control module circuit core device STC11L08XE simultaneously
19 feet of chip.47 feet of LD3320 speech chip are connected to the main control module circuit core device STC11L08XE core simultaneously
11 feet of piece.9 feet, 10 feet of LD3320 speech chip are microphone input termi-nal, for acquiring voice signal, LD3320 voice core
9 feet of piece are positive, and 10 feet of LD3320 speech chip are negative.12 feet of LD3320 speech chip are microphone bias end, are guaranteed
Microphone obtains a floating voltage, connects partially installing capacitor C21, C22.25 feet, 26 feet of LD3320 speech chip are that loudspeaker are defeated
Out, 1 foot, 4 feet and 2 feet of voice broadcast module are connected to.20 foot, 21 foot, 22 foot of LD3320 speech chip is horn volume control
End processed connects volume control resistance R32, R33, volume control capacitor C23, C24.18 feet of LD3320 speech chip are sound letter
Number reference voltage end connects capacitor C25, C26.19 foot of LD3320 speech chip, 69 feet be analog power end, external capacitor C27,
C28, C29, inductance L1.42 feet of LD3320 speech chip are that chip allows that end is written, and are connected to the main control module circuit
12 feet of chip STC11L08XE.44 feet of LD3320 speech chip are that data select end, are connected to the main control module electricity
18 feet of road chip STC11L08XE.45 feet of LD3320 speech chip are that chip allows to read end, are connected to the master control mould
13 feet of block circuit chip STC11L08XE.46 feet of LD3320 speech chip are working mode selection end, are connected to described
6 feet of main control module circuit chip STC11L08XE.31 feet of LD3320 speech chip are clock end, are connected to main control module electricity
14 feet of road chip STC11L08XE.48 feet of LD3320 speech chip are interruptive port, are connected to main control module circuit chip
8 feet of STC11L08XE.8 feet, 33 feet, 49 feet of LD3320 speech chip are ground terminal.17 feet of LD3320 speech chip, 24
Foot is analogue ground.
Main control module circuit core device uses STC11L08XE chip.4 feet of STC11L08XE main control chip connect reset
Circuit connects capacitor C01, resistance R01.14 feet of STC11L08XE main control chip, 15 feet connect clock circuit, by crystal oscillator CX2,
Capacitor CX1, capacitor CX2 composition.14 feet are connected to 31 feet of LD3320 speech chip in the voice module simultaneously.
16 feet of STC11L08XE main control chip are the ground terminal GND of clock.6 feet of STC11L08XE main control chip are connected to the voice
46 feet of the LD3320 speech chip of modular circuit.8 feet of STC11L08XE main control chip are connected to the voice module circuit
LD3320 speech chip 48 feet.11 feet of STC11L08XE main control chip are connected to the LD3320 of the voice module circuit
47 feet of speech chip.12 feet of STC11L08XE main control chip are connected to the LD3320 speech chip of the voice module circuit
42 feet.13 feet of STC11L08XE main control chip are connected to 45 feet of the LD3320 speech chip of the voice module circuit.
18 feet of STC11L08XE main control chip are connected to 44 feet of the LD3320 speech chip of the voice module circuit.
19 feet of STC11L08XE main control chip are connected to 43 feet of the LD3320 speech chip of the voice module circuit.
38 feet of STC11L08XE main control chip connect power supply VCC.
The relay module circuit main devices are relay K1, photoelectric coupled device U1.Photoelectric coupled device U1
It is made of light emitting diode and phototriode.One pin IN0 connection main control module circuit of light emitting diode
37 ends foot LDP0 of STC11L08XE main control chip, receive the output signal of chip.Another pin is connected to ground by R11.
Phototriode (output end of photoelectrical coupler) generates electric current because of illumination.Emitter is connected to the base stage of triode Q1.Current collection
Pole is connected to continued flow resistance R6.The emitter of triode Q1 is grounded.Collector is connected to the cathode of sustained diode 1, with afterflow
The anode of diode D7 links together.Diode D7 is parallel to relay K1 coil both ends.The switch terminals of relay K1 connect
Traditional key switch is replaced to connector P1, P1.Realize the function that the utility model registers elevator instruction by speech recognition
Energy.
The voice broadcast module circuit is made of TF memory, circuit connection LD3320 chip.Voice broadcast module
1 foot, 4 foot be connected to the voice module circuit LD3320 chip 26 feet.2 feet of voice broadcast module are connected to described
25 feet of the LD3320 chip of voice module circuit.Voice broadcast module is to make the elevator supplementary controlled system more human nature
Change, while being also the treatment to special population.When the floor needed for reaching, corresponding voice messaging is just played.
The course of work: the voice signal of microphone input first enters voice module circuit, speech chip LD3320 identification
The foot of 34 feet -41 after information by LD3320 chip passes to the foot of 30 feet -37 of governor circuit STC11L08XE chip.Master control
37 feet after signal processing by STC11L08XE chip are sent to relay module IN0 by the core devices STC11L08XE of circuit
Mouthful.Signal code makes it shine by the light emitting diode in relay module, the phototriode (output of photoelectrical coupler
End) because of illumination generation electric current.Electric current passes through relay K1 coil both ends, controls the switch terminals of relay K1.Switch is connected to
Fitting P1, P1 replace traditional key switch.Signal is sent to relay by 37 feet of STC11L08XE chip by governor circuit
While N0 mouthfuls of module I, signal is sent to voice broadcast module by 1 foot, 4 feet of voice broadcast module.Voice broadcast mould
After block receives signal, corresponding voice broadcast signal is sent to by 25 feet of LD3320 chip, 26 by 1 foot, 4 feet, 2 feet
Speech recognition module passes through speech recognition module after speech recognition module reads the voice messaging in voice broadcast module
25 feet of LD3320 chip, 26 foot external loudspeakers broadcast corresponding voice messaging.
Claims (3)
1. a kind of elevator auxiliary control circuit based on speech recognition, including speech recognition module, MCU main control module, relay
Control module, voice storage module；It is characterized by: speech recognition module voice messaging for identification, and by the letter
Breath passes to MCU main control module；The analysis of MCU main control module issues corresponding control command after handling the information, and control command passes
Relay control module is passed, relay control module controls the through and off of relay, while control command is fed back to voice
Identification module；Speech recognition module reads the voice messaging stored in voice storage module, while corresponding voice messaging being passed through
External loudspeaker broadcasts；
The speech recognition module circuit includes speech chip U1, and speech chip U1 uses LD3320 speech chip；Voice core
29 feet of piece U1 connect the cathode of power supply indicator D31, and the anode of power supply indicator D31 meets power supply VCC by resistance R31；Voice
34 feet, 35 feet, 36 feet, 37 feet, 38 feet, 39 feet, 40 feet, 41 feet, 43 feet, 47 feet of chip U1 distinguish connecting resistance R21, resistance
One end of R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30；Electricity
Hinder R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30
The other end connection be followed by power supply VCC；1 foot of speech chip U1,7 feet, the connection of 32 feet are followed by power supply VCC；The 9 of speech chip U1
Foot and 10 feet are microphone input termi-nal, and for acquiring voice signal, 9 feet are positive, and 10 feet are negative；One end of capacitor C21 and polarity
The anode connection of capacitor C22 is followed by 12 feet of speech chip U1, and the other end of capacitor C21 is connect with the anode of polar capacitor C22
After be grounded；12 feet of speech chip U1 are microphone bias end, guarantee that microphone obtains a floating voltage；Speech chip U1's
25 feet and 26 feet are loudspeaker output, connect voice storage module, while external loudspeaker；20 feet of speech chip U1 pass through capacitor
One end of C23 connecting resistance R32；One end connection of the other end of resistance R32, one end of resistance R33, capacitor C24 is followed by voice core
21 feet of piece U1；The other end of resistance R33 connect 22 feet for being followed by speech chip U1 with the other end of capacitor C24；Speech chip
22 feet of 20 feet of U1,21 feet of speech chip U1 and speech chip U1 are horn volume control terminal；One end and pole of capacitor C26
Property capacitor C25 anode connection be followed by 18 feet of speech chip U1, the other end of capacitor C26 and the anode of polar capacitor C25 connect
It is grounded after connecing；18 feet of speech chip U1 are voice signal reference voltage end；69 feet of speech chip U1, capacitor C27 one end,
One end of capacitor C28, one end connection of inductance L1 are followed by 19 feet of speech chip U1；Another termination capacitor C29's of inductance L1
One end；The other end connection of the other end of capacitor C27, the other end of capacitor C28, capacitor C29；19 feet of speech chip U1 and 69
Foot is analog power end；8 feet of speech chip U1,33 feet of speech chip U1, speech chip U1 49 feet be ground terminal, connect
Ground；17 feet of speech chip U1,24 feet of speech chip U1 are analogue ground, ground connection；42 feet of speech chip U1 are chip
Allow to be written end, 44 feet of speech chip U1 are that data select end, and 45 feet of speech chip U1 are that chip allows to read end, voice core
46 feet of piece U1 are working mode selection end, and 31 feet of speech chip U1 are clock end, and 48 feet of speech chip U1 are the middle broken ends of fractured bone
Mouthful；
The MCU main control module circuit includes main control chip U2, and main control chip U2 uses STC11L08XE chip；Main control chip
4 feet of U2 connect reset circuit；14 feet and 15 feet of main control chip U2 connect clock circuit, the 16 feet ground connection of main control chip U2；Master control
14 feet of chip U2 connect 31 feet of speech chip U1 in speech recognition module circuit；6 feet of main control chip U2 connect speech recognition mould
46 feet of speech chip U1 in block circuit；8 feet of main control chip U2 connect 48 feet of speech chip U1 in speech recognition module circuit；
11 feet of main control chip U2 connect 47 feet of speech chip U1 in speech recognition module circuit；12 feet of main control chip U2 connect voice knowledge
42 feet of speech chip U1 in other modular circuit；13 feet of main control chip U2 meet speech chip U1 in speech recognition module circuit
45 feet；18 feet of main control chip U2 connect 44 feet of speech chip U1 in speech recognition module circuit；19 feet of main control chip U2 connect
43 feet of speech chip U1 in speech recognition module circuit；38 feet of main control chip U2 connect power supply VCC；
The relay control module circuit includes relay K1 and photoelectric coupled device U3；Photoelectric coupled device U1 is by shining
Diode D2 and phototriode Q2 composition；Phototriode Q2 generates electric current because of illumination；The anode of light emitting diode D2 meets MCU
37 feet of main control chip U2 in main control module circuit receive the output signal of main control chip U2；The cathode of light emitting diode D2 is logical
It crosses resistance R11 and is connected to ground；The emitter of phototriode Q2 is connected to the base stage of triode Q1；The current collection of phototriode Q2
One end of pole connecting leakage resistance R6；The emitter of triode Q1 is grounded；The collector of triode Q1, sustained diode 1 it is negative
Pole, sustained diode 7 anode connection after contact relay K1 a coil-end；The positive connecting resistance R1 of sustained diode 1
One end；One end of resistance R1, one end of resistance R6, sustained diode 7 cathode connection after contact relay K1 another line
Enclose end；3 feet of the common end connecting connector P1 of relay K1,1 foot of the normally open end connecting connector P1 of relay K1, relay K1
Normal-closed end connecting connector P1 2 feet；P1 is three foot connectors；
The voice storage module circuit is made of TF memory, and 1 foot of TF storage card and the connection of 4 feet are followed by speech chip U1
26 feet, 2 feet of TF storage card connect 25 feet of speech chip U1；It is grounded after 5 feet of TF storage card and the connection of 6 feet；TF storage card
It is connect with speech recognition module.
2. a kind of elevator auxiliary control circuit based on speech recognition as described in claim 1, it is characterised in that: the master
4 feet of control chip U2 connect the reset circuit of capacitor C01 and resistance R01 composition；The cathode of capacitor C01 and one end of resistance R01 connect
4 feet for being followed by main control chip U2 are connect, the anode of capacitor C01 connects power supply VCC, the other end ground connection of resistance R01.
3. a kind of elevator auxiliary control circuit based on speech recognition as described in claim 1, it is characterised in that: the master
14 feet and 15 feet for controlling chip U2 connect clock circuit, and clock circuit includes crystal oscillator Y, capacitor CX1, capacitor CX2；One end of crystal oscillator Y
14 feet for being followed by main control chip U2 are connect with one end of capacitor CX1；The other end of crystal oscillator Y connect with one end of capacitor CX2 and is followed by
15 feet of main control chip U2；It is grounded after the other end connection of the other end, capacitor CX2 of capacitor CX1；16 feet of main control chip U2 are made
For the ground terminal GND of clock circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821544422.5U CN209000532U (en) | 2018-09-20 | 2018-09-20 | A kind of elevator auxiliary control circuit based on speech recognition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821544422.5U CN209000532U (en) | 2018-09-20 | 2018-09-20 | A kind of elevator auxiliary control circuit based on speech recognition |
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| Publication Number | Publication Date |
|---|---|
| CN209000532U true CN209000532U (en) | 2019-06-18 |
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ID=66801598
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821544422.5U Expired - Fee Related CN209000532U (en) | 2018-09-20 | 2018-09-20 | A kind of elevator auxiliary control circuit based on speech recognition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155865A (en) * | 2021-12-16 | 2022-03-08 | 广州城市理工学院 | Holographic interaction system |
| CN118270611A (en) * | 2024-06-03 | 2024-07-02 | 深圳市嘉润原新显科技有限公司 | Elevator control method and system based on voice information |
-
2018
- 2018-09-20 CN CN201821544422.5U patent/CN209000532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155865A (en) * | 2021-12-16 | 2022-03-08 | 广州城市理工学院 | Holographic interaction system |
| CN118270611A (en) * | 2024-06-03 | 2024-07-02 | 深圳市嘉润原新显科技有限公司 | Elevator control method and system based on voice information |
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Granted publication date: 20190618 Termination date: 20200920 |