CN210822028U

CN210822028U - Vehicle-mounted double-control system based on voice sound control and environment photoelectric conversion

Info

Publication number: CN210822028U
Application number: CN201921831677.4U
Authority: CN
Inventors: 唐才学
Original assignee: Shenzhen Rmt Communication Co ltd
Current assignee: Shenzhen Rmt Communication Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-23
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to a vehicle-mounted two accuse systems based on pronunciation acoustic control adds environment photoelectric conversion, it includes pronunciation acoustic control module, environment light sense ware module, LCD circuit module and DAC conversion and the signal amplifier module that links to each other with CPU module electricity respectively, pronunciation acoustic control module is used for collecting speech information and gives the CPU module, environment light sense ware module is used for detecting the light intensity in the car, the light intensity data that environment light sense ware module will detect through I2C control mode are given the CPU module, LCD circuit module carries out adjustting of the lighteness through adjusting the PWM duty cycle, realizes pronunciation acoustic control and digital environment photoelectric control's bisynchronous mode, satisfies intelligent automatic control demand, automatically regulated mobile unit luminance.

Description

Vehicle-mounted double-control system based on voice sound control and environment photoelectric conversion

Technical Field

The utility model relates to a vehicle-mounted product adjustting of lighteness technical field, concretely relates to vehicle-mounted two accuse systems based on pronunciation acoustic control adds environment photoelectric conversion.

Background

At present, vehicle-mounted products (such as automobile central control, a vehicle data recorder, a monitoring box, a navigator, rearview mirrors and the like) have the problem that some products cannot be taken into consideration in aspects of anti-dazzling, LCD brightness control and interior lighting lamp control: the semi-hidden type can not meet the requirement that the front and back dual-environment light inspection is configured on the machine to achieve all the requirements; the suspension type needs to compare the intensity of light before and after, and the detection uncertainty and larger error of environmental influence brought by applying the analog photosensitive device can not well meet the requirement, and the control logic is complex; the screen-free display equipment cannot be seen, and man-machine interaction is difficult.

In the prior art, a dimmer controls the brightness of the display according to the weak ambient light; the technology can not only judge whether sound exists, but also can read and understand information in the sound, so that the controller can 'listen to' the human speech, but only can control the switch of the LED, and the strength of the light cannot be adjusted. In addition, patent document No. 201521004170.3, "a backlight circuit for a car audio and air-conditioning display screen", discloses a technology capable of automatically adjusting the brightness of the backlight of the car audio and air-conditioning display screen according to the intensity of light outside the car under different environments, but it cannot be controlled by voice. The patent document 'an LED adaptive dimming device' with the application number of 201520436768.3 discloses a technology for controlling the variation of the intensity of the LED output light by changing the output voltage.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a vehicle-mounted dual control system based on voice sound control and environmental photoelectric conversion, which reduces design difficulties in anti-glare, LCD brightness control, and in-vehicle light control, and realizes automatic control while reducing production element cost.

A vehicle-mounted double control system based on voice control and environment photoelectric conversion comprises a CPU module, a voice control module, an environment light sensor module, an LCD circuit module and a DAC conversion and signal amplifier module, wherein the CPU module is respectively electrically connected with the voice control module, the environment light sensor module, the LCD circuit module and the DAC conversion and signal amplifier module, the voice control module is used for collecting voice information and sending the voice information to the CPU module, the environment light sensor module is used for detecting the light intensity in a vehicle, the environment light sensor module sends detected light intensity data to the CPU module in an I2C control mode, the CPU module controls the LCD circuit module according to the voice information and the light intensity, the LCD circuit module performs brightness adjustment by adjusting a PWM duty ratio, and the DAC conversion and signal amplifier module sets different voltage values corresponding to different light intensity data, and the CPU module and the DAC conversion and signal amplifier module perform data interaction in an I2C control mode to adjust the voltage output value of the rear end.

Preferably, the DAC conversion and signal amplifier module comprises a Darlington diode and is used for meeting the high current of 400mA required by automobile anti-glare electrochromism.

Preferably, the vehicle-mounted dual control system based on voice sound control and environment photoelectric conversion further comprises a communication module, which is used for communicating with an external device or a background server, and the communication module is electrically connected with the CPU module so as to control the communication module to communicate through the CPU module.

Preferably, the vehicle-mounted dual control system based on voice sound control and environment photoelectric conversion further comprises a power module, the power module is electrically connected with the CPU module, and the CPU module controls on and off of a power supply required by each module in a GPIO control manner.

Preferably, the voice control module has two audio inputs, one is a main MIC input, and the other is an auxiliary MIC input.

Preferably, the voice control module comprises a loudspeaker and a microphone, the main MIC input is used for receiving sound input by the microphone, and the auxiliary MIC input is used for receiving sound input by the loudspeaker.

Preferably, the LCD circuit module is externally connected with an LCD display module, so as to adjust the brightness of the LCD display screen through the LCD circuit module.

Preferably, the ambient light sensor module and the DAC conversion and signal amplifier module are respectively provided with different thresholds and different light intensities corresponding to different magnitudes.

Preferably, the LCD display screen has a plurality of soft accuse buttons and is used for setting up the function of the on-vehicle two accuse system based on pronunciation acoustic control and environment photoelectric conversion is a plurality of soft accuse button is including preventing dazzling soft accuse button, luminance automatically regulated button or pronunciation acoustic control button.

Preferably, the DAC conversion and signal amplifier module has a DAC device with an I2C address digit select pin, the I2C address digit select pin tied to a supply voltage, which produces an output drive of 0V-3.3V by writing a 10 bit value to the DAC device, for output to a buffer amplifier.

In the vehicle-mounted double control system based on the voice control and the environment photoelectric conversion, the voice control module is arranged for inputting voice information and the environment light sensor module is arranged for inputting environment light intensity data, communication between the CPU module and the environment light sensor module as well as the DAC conversion and signal amplifier module is established in an I2C control mode, the CPU unit controls the LCD circuit module to adjust the PWM duty ratio through the voice information and the environment light intensity data to adjust the brightness of the vehicle-mounted equipment, the brightness of various vehicle-mounted equipment is automatically controlled through the voice control mode and the environment photoelectric control mode, all equipment forms and installation methods can be taken into consideration, and the production element cost is effectively reduced.

Drawings

Fig. 1 is a schematic diagram of a structural module of a vehicle-mounted dual control system based on voice control and ambient photoelectric conversion according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail with reference to the following embodiments and drawings.

Please refer to fig. 1, which illustrates a vehicle-mounted dual control system 100 based on voice sound control and environmental photoelectric conversion according to an embodiment of the present invention, comprising a CPU module 1, a voice sound control module 2, an environmental light sensor module 3, an LCD circuit module 4 and a DAC conversion and signal amplifier module 5, wherein the CPU module 1 is electrically connected to the voice sound control module 2, the environmental light sensor module 3, the LCD circuit module 4 and the DAC conversion and signal amplifier module 5, the voice sound control module 2 is used for collecting voice information and sending the voice information to the CPU module 1, the environmental light sensor module 3 is used for detecting the intensity of light in the vehicle, the environmental light sensor module 3 sends the detected intensity of light to the CPU module 1 through an I2C control method, the CPU module 1 controls the LCD circuit module 4 according to the voice information and the intensity of light, LCD circuit module 4 carries out brightness control through adjusting PWM duty cycle, DAC conversion and signal amplifier module 5 corresponds different voltage numerical value of different light intensity data setting to adjust the voltage output value of rear end, CPU module 1 with DAC conversion and signal amplifier module 5 carries out the data interaction through I2C control mode.

The DAC conversion and signal amplifier module 5 has a DAC device with an I2C address digit select pin, the I2C address digit select pin tied to a supply voltage, the supply voltage representing an OXOE device address; by writing a 10-bit value into the DAC device, 0V-3.3V output is generated to drive light rays with different strengths and weaknesses and is output to the buffer amplifier.

Furthermore, the CPU module 1 adopts a vehicle-mounted special chip AC3561, the AC3561 chip is based on an android system, and the 4G LTE wireless communication is carried by the chip, so that support is provided for online voice control. Further, the ambient light sensor module 2 adopts an ambient light sensor controlled by the digital formula I2C for detecting the intensity of light in the vehicle.

Preferably, the DAC conversion and signal amplifier module 5 includes a darlington diode 51, which is used for meeting the high current of 400mA required by the anti-glare electrochromic of the automobile and controlling the voltage output value of the base stage. Further, the steady state current required to meet automotive anti-glare electrochromic is about 150 milliamps, while maintaining proper dimming.

Preferably, the vehicle-mounted dual control system 100 based on voice sound control and environment photoelectric conversion further includes a communication module 6, which is used for communicating with an external device or a background server, and the communication module 6 is electrically connected with the CPU module 1, so as to control the communication module 6 to communicate through the CPU module 1. Further, by setting the IMEI code in the background server to be consistent with the IMEI body code in the vehicle-mounted dual control system 100 based on voice control and environmental photoelectric conversion, the communication module 6 communicates with the background server in a bidirectional identification manner, so as to provide a link support for language instruction interactive control. Further, the embodiment of the utility model provides an in, acoustic control needs to rely on third party's pronunciation algorithm development, together the on-vehicle two accuse system 100 based on pronunciation acoustic control and environment photoelectric conversion fuses, and through the language order of third party, the cooperation network supports, realizes interactive control jointly.

Preferably, the vehicle-mounted dual control system 100 based on voice sound control and environment photoelectric conversion further includes a power module 7, the power module 7 is electrically connected to the CPU module 1, and the CPU module 1 controls on and off of a power supply required by each module in a GPIO control manner.

Preferably, the voice control module has two audio inputs, one of which is a main MIC input 21 and the other of which is an auxiliary MIC input 22. Preferably, the voice activated module comprises a speaker 24 and a microphone 23, the primary MIC input 21 is configured to receive sound input by the microphone 23, and the secondary MIC input 22 is configured to receive sound input by the speaker 24. Further, in the embodiment of the present invention, the microphone 23 is a conventional microphone with a sensitivity of-38 and a diameter > of 4MM, and the speaker 24 is a speaker of the vehicle-mounted terminal. The main MIC input 21 receives voice collected by the microphone through the combination of devices such as filtering, direct current isolation capacitors and bias voltage divider resistors, the auxiliary MIC input 22 forms a circuit through passive devices such as isolation capacitors and divider resistors, receives environmental sound intercepted by the loudspeaker 24 and defines the environmental sound as reference sound, the voice and the reference sound are compared and processed through a software algorithm, and a pure voice instruction is finally obtained, and the CPU module executes related requirements according to the finally obtained pure voice instruction.

Preferably, the LCD circuit module 4 is externally connected with an LCD display module 41, so as to adjust the brightness of the LCD display screen through the LCD circuit module 4.

Preferably, the ambient light sensor module 3 and the DAC conversion and signal amplifier module 5 are respectively provided with different thresholds and different light intensities corresponding to different magnitudes. Further, the ambient light sensor module 3 communicates with the CPU module 1 through I2C, and responds to the relevant mode in cooperation with an interrupt EINT, and the ambient light sensor module 2 sets a plurality of different thresholds through software, detects light changes in the vehicle, enables or shuts down a single or a plurality of modes, subdivides the control mode, and flexibly distinguishes each level requirement.

Preferably, the LCD display screen has a plurality of soft control buttons for setting the function of the vehicle-mounted dual control system 100 based on voice sound control and ambient photoelectric conversion, and the soft control buttons include an anti-glare soft control button, a brightness automatic adjustment button, a voice sound control button, and the like. Furthermore, the anti-dazzle soft control button is used for controlling whether an anti-dazzle function needs to be turned on, the brightness automatic adjustment button is used for determining whether brightness needs to be controlled through the intensity of ambient light, and the voice control button is used for determining whether brightness needs to be adjusted through voice control.

In the vehicle-mounted double control system 100 based on the voice sound control and the environment photoelectric conversion, the voice sound control module 2 and the environment light sensor module 3 are added, so that a double synchronization mode of voice sound control and digital environment photoelectric control is realized, and the intelligent automatic control requirement is met. The vehicle-mounted double-control system 100 based on voice sound control and environment photoelectric conversion provides reliable support for driving safety; the method provides a convenient implementation mode for the research and development design of similar products, overcomes the defect that the functional requirements cannot be realized due to inconvenience caused by the aspects of structure, assembly and the like, thereby reducing the cost of production elements, and can be widely applied to the technical fields of front and rear vehicle equipment, intelligent vehicle-mounted rearview mirror monitoring navigation products, truck part marking machines, two-passenger and one-dangerous products, recording instruments and the like.

It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the spirit of the present invention, and all the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A vehicle-mounted double control system based on voice control and environment photoelectric conversion is characterized by comprising a CPU module, a voice control module, an environment light sensor module, an LCD circuit module and a DAC conversion and signal amplifier module, wherein the CPU module is respectively electrically connected with the voice control module, the environment light sensor module, the LCD circuit module and the DAC conversion and signal amplifier module, the voice control module is used for collecting voice information and sending the voice information to the CPU module, the environment light sensor module is used for detecting the light intensity in a vehicle, the environment light sensor module sends detected light intensity data to the CPU module in an I2C control mode, the CPU module controls the LCD circuit module according to the voice information and the light intensity, the LCD circuit module carries out brightness adjustment by adjusting the duty ratio, the DAC conversion and signal amplifier module sets different voltage values corresponding to different light intensity data, and the CPU module and the DAC conversion and signal amplifier module perform data interaction in an I2C control mode to adjust the voltage output value of the rear end.

2. The vehicle-mounted double control system based on voice sound control and environment photoelectric conversion as claimed in claim 1, wherein the DAC conversion and signal amplifier module comprises a Darlington diode for meeting a high current of 400mA required by anti-glare electrochromism of an automobile.

3. The vehicle-mounted dual control system based on voice control and environmental photoelectric conversion according to claim 1, further comprising a communication module for communicating with an external device or a background server, wherein the communication module is electrically connected to the CPU module to control the communication module to communicate through the CPU module.

4. The vehicle-mounted dual control system based on voice sound control and environmental photoelectric conversion according to claim 1, further comprising a power module, wherein the power module is electrically connected to the CPU module, and the CPU module controls on and off of a power supply required by each module in a GPIO control manner.

5. The vehicle-mounted dual control system based on voice acoustic control and ambient light-to-electricity conversion of claim 1, wherein the voice acoustic control module has two audio inputs, one is a main MIC input, and the other is a secondary MIC input.

6. The vehicle dual control system based on voice controlled sound plus ambient light-to-electricity conversion of claim 5, wherein the voice controlled sound module comprises a speaker and a microphone, the primary MIC input is for receiving sound input by the microphone, and the secondary MIC input is for receiving sound input by the speaker.

7. The vehicle-mounted dual control system based on voice sound control and environment photoelectric conversion as claimed in claim 1, wherein an LCD display module is externally connected to the LCD circuit module to adjust the brightness of the LCD display screen through the LCD circuit module.

8. The vehicle-mounted dual control system based on voice sound control and environmental photoelectric conversion as claimed in claim 1, wherein the environmental light sensor module and the DAC conversion and signal amplifier module are respectively provided with different thresholds and different magnitudes corresponding to different light intensities.

9. The vehicle-mounted dual control system based on voice sound control and ambient photoelectric conversion according to claim 7, wherein the LCD display screen has a plurality of soft control buttons for setting functions of the vehicle-mounted dual control system based on voice sound control and ambient photoelectric conversion, and the plurality of soft control buttons include an anti-glare soft control button, an automatic brightness adjustment button or a voice sound control button.

10. The voice-activated plus ambient light-to-electricity conversion based vehicle dual control system of claim 1, wherein the DAC conversion and signal amplifier module has a DAC device with an I2C address digit select pin, the I2C address digit select pin tied to a supply voltage, and generates an output drive of 0V-3.3V by writing a 10-bit value to the DAC device for output to a buffer amplifier.