CN206867720U

CN206867720U - A kind of wireless speech remote-controlled intelligent car

Info

Publication number: CN206867720U
Application number: CN201720485312.5U
Authority: CN
Inventors: 王义晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-04
Filing date: 2017-05-04
Publication date: 2018-01-12
Anticipated expiration: 2027-05-04

Abstract

The utility model belongs to artificial intelligence field, more particularly to a kind of wireless speech remote-controlled intelligent car.The utility model includes SCM system, power module, Audio Input Modules, BCM Body Control Module, voice broadcast module, obstacle avoidance module and wireless sending module.The power module provides stable DC voltage for whole device, and the Audio Input Modules reception user speech, which instructs and carries out analog-to-digital conversion, is transformed into data signal.The BCM Body Control Module is rotated using integrated L298N bridge drive circuits controlled motor.The voice broadcast module is amplified and played to user speech by DAC-circuit.The obstacle avoidance module input is terminated with No. four range sensors, and for judging the relative position of this product and barrier, the wireless receiving and dispatching that the wireless sending module enters row information by the multiplexing function of single-chip microcomputer pin works.The utility model is simple in construction, monitors user's request in real time using each integration module, high sensitivity, has higher intellectuality and hommization, meets the development trend of current manual's intelligence.

Description

A kind of wireless speech remote-controlled intelligent car

Technical field

The utility model belongs to artificial intelligence field, more particularly to a kind of wireless speech remote-controlled intelligent car.

Background technology

With the rapid development of extensive transistor integrated circuit manufacturing process, the use of computer has penetrated into people The every aspect of daily life.But most computers that people are touched now are all itself distinctive man-machine interactions System, therefore it is required that user grasps the first standby knowledge of certain computer operation language, this large-scale use to computer Undoubtedly cause huge obstruct.In addition, the problem of currently used computer generally existing power consumption is big, the speed of service is relatively low, Therefore, it is increasing for the demand of novel artificial intelligence machine.The development of artificial intelligence is for simple intelligent robot at present Proposing includes the requirement of the sense of hearing, tactile and walking, that is, corresponding action can be completed according to the phonetic order of people, and The current "smart" products of in the market can only often realize specific function, and speech-sound intelligent control product still has great at present The market space.

Utility model content

The purpose of this utility model is to provide wireless speech remote-controlled intelligent car, it is intended to solves current intelligent trolley function It is single, corresponding action can not be made after the phonetic order that user sends is received, automatically complete asking for various functions Topic.

The technical solution of the utility model is as follows：

A kind of wireless speech remote-controlled intelligent car, including：SCM system, power module, Audio Input Modules, car body control Module, voice broadcast module, obstacle avoidance module and wireless sending module；Wherein, power module, Audio Input Modules, obstacle avoidance module SCM system is connected directly to, signal is sent to single-chip microcomputer；In addition, BCM Body Control Module and voice broadcast module and nothing Line sending module is also coupled to SCM system, receives the instruction that single-chip microcomputer is sent, and completes corresponding function.

It is according to wireless speech remote-controlled intelligent car described in the utility model, the SCM system further ATMEGA16L single-chip microcomputers, its kernel have abundant instruction set and 32 general purpose working registers, all registers all direct It is connected with arithmetic logic unit (ALU).

Further according to wireless speech remote-controlled intelligent car described in the utility model, the power module includes two pieces and integrated Chip LM7805 and 1117 and diode D1, D2, D3 and resistance R1, R2；Diode D1 negative pole meets chip LM7805 VIN Pin, plus earth, diode D2 negative pole ground connection, positive pole are connected to chip LM7805 VO pins, and core by resistance R1 Piece LM7805 VO pins are connected to the VIN pins of chip 1117, and chip LM7805 GND pin is directly grounded, diode D3 Negative pole be connected with the GND pin of chip 1117 after be directly grounded, its positive pole is connected to the VO pins of chip 1117 through resistance R2, Pass through all voltages needed for the whole utility model of the outputs of two pieces of voltage stabilizing integrated chip LM7805 and 1117, its chips LM7805 Export 5V burning voltages and chip 1117 and export 3.3V burning voltages.

Further according to wireless speech remote-controlled intelligent car described in the utility model, described Audio Input Modules include insulting Positive pronounciation processing chip SPCE061A and electric capacity C1 to C6 and resistance R3 to R8 and sound pick-up MK1；Electric capacity C1 and C2 are in parallel Latter end ground connection, the output of other end two-way, is coupled with R3 and R4, MK1 No. 1 pin divides two paths of signals to export, all the way through electricity Hinder R5 ground connection, another way connects through electric capacity C3 with R4, and MK1 No. 2 pins are also classified into two paths of signals output, all the way through electric capacity C4 and Resistance R3 connects, and another way connection resistance R6 one end, resistance R7 is connected with electric capacity C5 one end and the resistance R6 other ends, this Outside, resistance R7 other end connection chip SPCE061A VMC pins, the electric capacity C5 other end are directly grounded, electric capacity C6 and electricity One end connection SPCE061A AGC pins, the other end are directly grounded after resistance R8 parallel connections, the voice that the user to be received such as MK1 sends Instruction, receive after voice signal and to carry out that voice signal is sent into chip after noise reduction process by π types filter circuit SPCE061A AGC modules, complete analog-to-digital conversion and system gain amplification.

Motor is further used according to wireless speech remote-controlled intelligent car described in the utility model, the BCM Body Control Module Bridge-type integrated chip L298N is driven, its VCC pin connects power module 5V positive poles, and IN1 connects SCM system GPIOA_1 pins, IN2, IN3, IN4 connect GPIOA_2, GPIOA_3, GPIOA_4 pin respectively, and EN_A pins meet SCM system PVM1 pins, EN_ B pins connect SCM system PVM2 pins, and OUT1, OUT2 pin connect motor P1 positive and negative electrode, OUT3, OUT4 pin point respectively Motor P2 positive and negative electrode, the positive and negative steering for the 0/1 composite signal controlled motor that IN1~IN4 is received, EN_A and EN_B are not met The PVM signals of the different duty exported by receiving core processor PVM pins come the rotating speed of controlled motor, so as to realizing plus Deceleration and turning function.

One-level is further included according to wireless speech remote-controlled intelligent car described in the utility model, the voice broadcast module Integrated amplifier A1 and electric capacity C7~C9 and resistance R9, R10；No. 1 of the SCM system and No. 2 pins respectively with amplification No. 2 of device and No. 1 pin connect, amplifier A1 No. 3 one end that electric capacity C7 is mutually connected to No. 5 pins, and the C7 other end is direct Ground connection, be connected to slide rheostat R9 after A1 No. 4 pins connection supply voltage VCC, A1 No. 6 pin serial capacitance C8 can Become resistance terminal, R9 fixed resistance end one end is directly grounded, and the other end connects the DAC pins of the SCM system, electric capacity C9 One end is directly grounded after in parallel with resistance R10, and the other end is also connected to the DAC pins of the SCM system, and single-chip microcomputer is completed Completed to data signal is transferred back into its DAC pin again by peripheral amplifier circuit after the analog-to-digital conversion of analog voice signal Digital-to-analogue conversion, finally produce the voice signal of the simulation after amplification.

Four tunnels are further used according to wireless speech remote-controlled intelligent car described in the utility model, described obstacle avoidance module UCM40T/R sonic probes design, and PC_1, PC_2, PC_3, PC_4 pin of wherein SCM system connect sonic probe respectively UCM1, UCM2, UCM3, UCM4 VCC pin, SCI1, SCI2, SCI3, SCI4 pin of SCM system connect sound wave spy respectively Head UCM1, UCM2, UCM3, UCM4 OUT pins.

NRF2401 is further used according to wireless speech remote-controlled intelligent car described in the utility model, the sending module Integrated chip；The IOB_7 and IOB_10 of the SCM system are connected with chip NRF2401 TX and RX pins respectively, described SCM system receives and dispatches serial data to chip NRF2401 respectively by the multiplexing function of IOB_7 and IOB_10 pins, then passes through Chip NRF2401 carries out wireless transmitting-receiving.

Compared with present technology, its advantage is the utility model：

1. the utility model uses embedded system development thought, using microprocessor processes specific function, integrated level is very Height, has not only saved cost, also substantially increases the operating efficiency of system, energy-conserving and environment-protective.

2. the utility model is artificial intellectualizing system, user need to only send simple phonetic order can be automatically complete It is simple to operate into corresponding function, there is very strong market popularization sexual clorminance.

3. the creative voice for using sound Method of Fuzzy Matching, different age group crowd being understood of the utility model Instruction, has very high hommization and intellectuality.

Brief description of the drawings

Fig. 1 is overall schematic diagram of the present utility model；

Fig. 2 is power module schematic diagram of the present utility model；

Fig. 3 is Audio Input Modules schematic diagram of the present utility model；

Fig. 4 is BCM Body Control Module schematic diagram of the present utility model；

Fig. 5 is voice broadcast module schematic diagram of the present utility model；

Fig. 6 is obstacle avoidance module schematic diagram of the present utility model；

Fig. 7 is wireless sending module schematic diagram of the present utility model.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality It is further elaborated with new.It should be appreciated that specific embodiment described herein is only to explain the utility model, It is not used to limit the utility model.

As shown in figure 1, the utility model includes SCM system, power module, Audio Input Modules, car body control mould Block, voice broadcast module, obstacle avoidance module and wireless sending module.Wherein, power module, Audio Input Modules, obstacle avoidance module be all SCM system is directly connected to, signal is sent to single-chip microcomputer.In addition, BCM Body Control Module and voice broadcast module and wireless Sending module is also coupled to SCM system, receives the instruction that single-chip microcomputer is sent, and completes corresponding function.

The SCM system is ATMEGA16L single-chip microcomputers, and its kernel has abundant instruction set and 32 general operations Register, all registers are all directly connected with arithmetic logic unit (ALU).So that an instruction can be in a clock Two independent registers are accessed in cycle simultaneously.This structure substantially increases code efficiency, and with than common CISC microcontrollers are up to 10 times of data throughput.

The power module include two pieces of integrated chip LM7805 and 1117 and diode D1, D2, D3 and resistance R1, R2.As shown in Fig. 2 diode D1 negative pole connects chip LM7805 VIN pins, plus earth.Diode D2 negative pole ground connection, Positive pole is connected to chip LM7805 VO pins by resistance R1, and chip LM7805 VO pins are connected to chip 1117 VIN pins, chip LM7805 GND pin are directly grounded.Diode D3 negative pole is straight after being connected with the GND pin of chip 1117 Ground connection, its positive pole are connected to the VO pins of chip 1117 through resistance R2.Pass through two pieces of voltage stabilizing integrated chip LM7805 and 1117 All voltages needed for whole utility model are exported, its chips LM7805 exports 5V burning voltages and chip 1117 exports 3.3V Burning voltage.

Described Audio Input Modules include Ling Yang pronounciation processing chips SPCE061A and electric capacity C1 to C6 and resistance R3 to R8 and sound pick-up MK1.As shown in figure 3, electric capacity C1 and C2 latter end ground connection in parallel, the output of other end two-way, are coupled with R3 and R4.MK1 No. 1 pin divides two paths of signals to export, and is grounded all the way through resistance R5, and another way connects through electric capacity C3 with R4.MK1 No. 2 pins be also classified into two paths of signals output, connect all the way through electric capacity C4 with resistance R3, another way connects resistance R6 one end. Resistance R7 is connected with electric capacity C5 one end and the resistance R6 other ends.In addition, resistance R7 other end connection chip SPCE061A VMC pins, the electric capacity C5 other end are directly grounded.Electric capacity C6 connects SPCE061A AGC pins with one end after resistance R8 parallel connections, The other end is directly grounded.The phonetic order that the user to be received such as MK1 sends, receive after voice signal by π type filter circuits Voice signal is sent to chip SPCE061A AGC modules after progress noise reduction process, analog-to-digital conversion is completed and system gain is put Greatly.

The BCM Body Control Module is using motor driving bridge-type integrated chip L298N.As shown in figure 4, its VCC pin connects electricity Source module 5V positive poles, IN1 connect SCM system GPIOA_1 pins, IN2, IN3, IN4 connect respectively GPIOA_2, GPIOA_3, GPIOA_4 pins.EN_A pins connect SCM system PVM1 pins, and EN_B pins connect SCM system PVM2 pins, OUT1, OUT2 pins connect motor P1 positive and negative electrode respectively, and OUT3, OUT4 pin connect motor P2 positive and negative electrode respectively.IN1~IN4 is received The positive and negative steering of the 0/1 composite signal controlled motor arrived, EN_A and EN_B are by receiving the output of core processor PVM pins not PVM signals with dutycycle carry out the rotating speed of controlled motor, so as to realize acceleration and deceleration and turning function.

The voice broadcast module includes one-level integrated amplifier A1 and electric capacity C7~C9 and resistance R9, R10.Such as Fig. 5 Shown, No. 1 of the SCM system and No. 2 pins connect with No. 2 of amplifier and No. 1 pin respectively.No. 3 of amplifier A1 Electric capacity C7 one end is mutually connected to No. 5 pins, the C7 other end is directly grounded.A1 No. 4 pins connection supply voltage VCC, A1 No. 6 pin serial capacitance C8 after be connected to slide rheostat R9 variable resistor end, R9 fixed resistance end one end directly connects Ground, the other end connect the DAC pins of the SCM system, and one end is directly grounded after electric capacity C9 is in parallel with resistance R10, the other end It is also connected to the DAC pins of the SCM system.Single-chip microcomputer is completed to the analog-to-digital conversion of analog voice signal afterwards by outer Enclose amplifier circuit and data signal is transferred back into the completion digital-to-analogue conversion of its DAC pin again, finally produce the language of the simulation after amplification Sound signal.

Described obstacle avoidance module is using four road UCM40T/R sonic probes designs.As shown in fig. 6, wherein described single-chip microcomputer system The GPIOC of system PC_1, PC_2, PC_3, PC_4 pin VCC for meeting sonic probe UCM1, UCM2, UCM3, UCM4 respectively Pin, SCI1, SCI2, SCI3, SCI4 pin of the SCM system connect respectively the sonic probe UCM1, UCM2, UCM3, UCM4 OUT pins.The module by SCM system to electricity on sonic probe after, processor internal timer open, meter The probe return signal time is calculated, so as to calculate the relative position of equipment and barrier.With reference to the BCM Body Control Module, PVM1 With the low and high level of PVM2 pins output different duty, so as to control the rotating speed of left and right motor, realize and turn to avoidance.

The sending module uses NRF2401 integrated chips.As shown in fig. 7, the IOB_7 and IOB_ of the SCM system 10 are connected with chip NRF2401 TX and RX pins respectively.The multiplexing that the SCM system passes through IOB_7 and IOB_10 pins Function receives and dispatches serial data to chip NRF2401 respectively, then wireless transmitting-receiving is carried out by chip NRF2401.

The phonetic order that the utility model real-time reception user sends, by sound fuzzy matching algorithm, it can receive and The phonetic order sent from different age group user.After the phonetic order that user sends is received, by Audio Input Modules Data signal is converted to, rear-guard motor vehicles bodies control module is handled by single-chip microcomputer, dolly can be completed to act accordingly.This Outside, the utility model uses wireless transmitter, by the I O multiplexing mode real-time tranception information of single-chip microcomputer and can handle.This Utility model can also be by the voice signal of user by analog-to-digital conversion and by carrying out digital-to-analogue conversion after peripheral amplifying circuit After carry out voice broadcast, during moving of car, by No. four range sensors, perceive the relative position of dolly and barrier Put, so as to automatic obstacle-avoiding.

It the above is only and preferred embodiment of the present utility model is described, not by technical side of the present utility model Case limited to this, any known deformation that those skilled in the art are made on the basis of major technique of the present utility model design is all Belong to the claimed technology category of the utility model, the specific protection domain of the utility model is recited as with claims It is accurate.

Claims

A kind of 1. wireless speech remote-controlled intelligent car, it is characterised in that including：SCM system, power module, audio input mould Block, BCM Body Control Module, voice broadcast module, obstacle avoidance module and wireless sending module；Wherein, power module, audio input mould Block, obstacle avoidance module are connected directly to SCM system, and signal is sent to single-chip microcomputer；In addition, BCM Body Control Module and voice are broadcast Report module and wireless sending module are also coupled to SCM system, receive the instruction that single-chip microcomputer is sent, and complete corresponding function.
2. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that the SCM system is ATMEGA16L single-chip microcomputers, its kernel have abundant instruction set and 32 general purpose working registers, all registers all direct It is connected with arithmetic logic unit (ALU).
3. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that the power module includes two pieces of collection Into chip LM7805 and 1117 and diode D1, D2, D3 and resistance R1, R2；Diode D1 negative pole connects chip LM7805's VIN pins, plus earth, diode D2 negative pole ground connection, positive pole are connected to chip LM7805 VO pins by resistance R1, and Chip LM7805 VO pins are connected to the VIN pins of chip 1117, and chip LM7805 GND pin is directly grounded, diode D3 negative pole is directly grounded after being connected with the GND pin of chip 1117, and the VO that its positive pole is connected to chip 1117 through resistance R2 draws Pin, pass through all voltages needed for the whole utility model of the outputs of two pieces of voltage stabilizing integrated chip LM7805 and 1117, its chips LM7805 exports 5V burning voltages and chip 1117 exports 3.3V burning voltages.
4. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that described Audio Input Modules include Ling Yang pronounciation processing chips SPCE061A and electric capacity C1 to C6 and resistance R3 to R8 and sound pick-up MK1；Electric capacity C1 and C2 are simultaneously Join latter end ground connection, the output of other end two-way, be coupled with R3 and R4, MK1 No. 1 pin divides two paths of signals to export, passed through all the way Resistance R5 is grounded, and another way connects through electric capacity C3 with R4, and MK1 No. 2 pins are also classified into two paths of signals output, all the way through electric capacity C4 Connecting with resistance R3, another way connection resistance R6 one end, resistance R7 is connected with electric capacity C5 one end and the resistance R6 other ends, this Outside, resistance R7 other end connection chip SPCE061A VMC pins, the electric capacity C5 other end are directly grounded, electric capacity C6 and electricity One end connection SPCE061A AGC pins, the other end are directly grounded after resistance R8 parallel connections, the voice that the user to be received such as MK1 sends Instruction, receive after voice signal and to carry out that voice signal is sent into chip after noise reduction process by π types filter circuit SPCE061A AGC modules, complete analog-to-digital conversion and system gain amplification.
5. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that the BCM Body Control Module is using electricity Machine drives bridge-type integrated chip L298N, and its VCC pin connects power module 5V positive poles, and IN1 connects SCM system GPIOA_1 pins, IN2, IN3, IN4 connect GPIOA_2, GPIOA_3, GPIOA_4 pin respectively, and EN_A pins meet SCM system PVM1 pins, EN_ B pins connect SCM system PVM2 pins, and OUT1, OUT2 pin connect motor P1 positive and negative electrode, OUT3, OUT4 pin point respectively Motor P2 positive and negative electrode, the positive and negative steering for the 0/1 composite signal controlled motor that IN1~IN4 is received, EN_A and EN_B are not met The PVM signals of the different duty exported by receiving core processor PVM pins come the rotating speed of controlled motor, so as to realizing plus Deceleration and turning function.
6. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that the voice broadcast module includes one Level integrated amplifier A1 and electric capacity C7~C9 and resistance R9, R10；No. 1 of the SCM system and No. 2 pins are respectively with putting No. 2 of big device and No. 1 pin connect, amplifier A1 No. 3 one end that electric capacity C7 is mutually connected to No. 5 pins, and the C7 other end is straight It is grounded, slide rheostat R9 is connected to after A1 No. 4 pins connection supply voltage VCC, A1 No. 6 pin serial capacitance C8 Variable resistor end, R9 fixed resistance end one end is directly grounded, and the other end connects the DAC pins of the SCM system, electricity One end is directly grounded after appearance C9 is in parallel with resistance R10, and the other end is also connected to the DAC pins of the SCM system, single-chip microcomputer Complete that data signal is transferred back into its DAC pin again by peripheral amplifier circuit afterwards to the analog-to-digital conversion of analog voice signal Digital-to-analogue conversion is completed, finally produces the voice signal of the simulation after amplification.
7. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that described obstacle avoidance module uses four tunnels UCM40T/R sonic probes design, and PC_1, PC_2, PC_3, PC_4 pin of wherein SCM system connect sonic probe respectively UCM1, UCM2, UCM3, UCM4 VCC pin, SCI1, SCI2, SCI3, SCI4 pin of SCM system connect sound wave spy respectively Head UCM1, UCM2, UCM3, UCM4 OUT pins.
8. wireless speech remote-controlled intelligent car according to claim 1, it is characterised in that the sending module uses NRF2401 integrated chips；The IOB_7 and IOB_10 of the SCM system connect with chip NRF2401 TX and RX pins respectively Connect, the SCM system receives and dispatches serial number to chip NRF2401 respectively by the multiplexing function of IOB_7 and IOB_10 pins According to, then wireless transmitting-receiving is carried out by chip NRF2401.