JPS59102645A - Voice recognition device for car - Google Patents

Abstract

PURPOSE:To perform a series of composite operations for deodorization simply and reliably by performing composite operations of car-mounted equipments in accordance with a series of composite operation programs for deodorization for multiple car-mounted equipments which are read out by a predetermined package voice command. CONSTITUTION:A series of composite operation programs for deodorization for multiple car-mounted equipments 18 including at least the close operation of power windows and the switching operation of an air conditioner to an internal air mode are stored on an equipment operation memory 10. In case malodor is abruptly generated in the surroundings while a car is travelling, if a driver utters a package voice command and this voice command coincides with the registered word on a registration words setting memory 12 in a voice recognition circuit 14, the voice recognition circuit 14 executes the said programs and performs the close operation of power windows, the switching operation of the air conditioner to an internal air mode, and a series of other composite operations of the car-mounted equipments 18 required for deodorization.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a voice recognition device for a vehicle, and more particularly to a voice recognition device for a vehicle that recognizes voice commands uttered by a speaker and operates vehicle equipment.

BACKGROUND OF THE INVENTION Conventionally, vehicle voice recognition devices are well known and are used to operate various in-vehicle devices, such as opening and closing power windows, opening and closing sunroofs, and operating air conditioners. This voice recognition device allows the driver to operate the desired in-vehicle equipment simply by uttering a voice command in front of the microbog, so even if the driver operates the in-vehicle equipment while driving, the driver can This operation is extremely effective for safe driving because the operation can be performed without taking your line of sight away from the direction in which the vehicle is traveling.

By the way, the driving conditions of a vehicle change in various ways depending on the surrounding environment.For example, when driving in an industrial area, when driving behind a diesel car or two-stroke car, or when the surrounding air contains a bad odor. This bad odor invades the inside of the car.

Therefore, if a driver senses such a bad odor while driving, he or she should close the window or close the window within a very short period of time.
Closing the sunroof, switching the air conditioner to indoor air mode,
Furthermore, if necessary, it is necessary to perform a series of combined deodorizing operations on various in-vehicle devices necessary for deodorizing, such as turning on an air purifier.

However, in conventional vehicle voice recognition devices, 91 in-vehicle devices were operated by one voice command, so when attempting to perform a series of complex operations on multiple in-vehicle devices, the operation It was necessary to utter voice commands a number of times corresponding to the number of in-vehicle devices that were targeted. For this reason, with conventional devices, it takes time for the driver to complete the combined deodorization operation for multiple in-vehicle devices after sensing a bad odor, and the disadvantage is that it allows surrounding bad odors to enter the car interior. was there. Additionally, in order to perform this type of odor control, it is necessary to operate multiple in-vehicle devices, which has the disadvantage of being extremely complicated and often distracting the driver from concentrating on driving. .

Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems, and its purpose is to easily and quickly perform a series of complex operations on multiple in-vehicle devices when a bad odor is detected while the vehicle is running. An object of the present invention is to provide a voice recognition device for a vehicle that can perform the following functions.

Structure of the Invention In order to achieve this object, the device of the present invention is a vehicle voice recognition device that recognizes voice commands uttered by a speaker and operates in-vehicle equipment. A device operation memory that stores a series of deodorization complex operation programs for multiple in-vehicle devices, including window closing operations and air conditioner air mode switching operations, and a registration in which predetermined registered words meaning deodorization operations are set in advance. The voice recognition device has a word setting memory and performs voice recognition to determine whether or not a voice command uttered by a speaker matches the registered word, and executes a program stored in the device operation memory when it is recognized that the two match. The present invention is characterized in that a speaker performs a series of deodorizing complex operations of a group of in-vehicle devices by uttering a collective voice command corresponding to the registered word.

Example Next, preferred embodiments of the present invention will be described based on the drawings.

FIG. 1 shows a preferred embodiment of the vehicle voice recognition device according to the present invention. It is carried out.

A characteristic feature of the present invention is that a series of deodorizing complex operation programs for a plurality of in-vehicle devices, including at least an operation for closing a power window and an operation for switching an air conditioner to an inside air mode, is stored, which is read out by a predetermined collective voice command. and a registered word setting memo IJ 12 in which a predetermined registered word meaning deodorizing operation is preset, and whether the voice command uttered by the speaker matches the registered word or not. and a voice recognition circuit 14 that executes a program stored in the device operation memory 10 when the two are recognized as matching. The system enables a speaker to perform a series of deodorizing complex operations on the in-vehicle equipment group 18 by uttering a predetermined collective voice command corresponding to a registered word.

As a result, even if, for example, a bad odor suddenly occurs in the surrounding area while the vehicle is running, the driver can immediately activate the power windows by simply speaking into the microphone 16 a collective voice command that corresponds to the registered word. It is possible to perform a series of complex operations such as closing the door, switching the air conditioner to indoor air mode, and other in-vehicle equipment necessary for odor prevention, and the driver is prevented from concentrating on driving due to the sudden occurrence of bad odors. This makes it possible to respond quickly and appropriately without any problems.

FIG. 2 shows a detailed embodiment of the vehicle voice recognition device of the present invention. In the device of the embodiment, a RAM is used as the registered word setting memory 12. The registered word ``kusai'' has been set to mean . Further, a ROM is used as the device operation memory 10 of the embodiment, and a series of deodorization complex operation programs for a plurality of on-vehicle devices shown in FIG. 3 are stored therein.

In the embodiment, the speaker's collective voice command is sent to microphone 1.
It is input from 6. Then, this audio signal is transmitted to the amplifier circuit 2.
2, filter puncture 24, analog multiplexer 26
The signal is inputted to the AD conversion circuit 28 via the AD conversion circuit 28, converted into a digital signal by the AD conversion circuit 28, and then inputted to the CPU 30. The CPU 30 temporarily stores the batch voice command input in this manner in the R, AM 32, and stores the registered word "kusai" preset in the registered word setting memory 12.
Performs speech recognition to determine whether it matches or not.

As a result of the bird voice recognition, if it is determined that the -Suri synchronized voice command matches the registered word "kusai" set in the registered word setting memory 12, the CPU 30 controls the operation control circuit 34, the operation circuit 36 to the on-vehicle equipment 18, which closes the door windows, switches the air conditioner to indoor air mode, closes the sunroof, and turns off the air purifier.

Therefore, according to the device of the present invention, a series of deodorizing complex operations for multiple in-vehicle devices can be performed at once by the driver simply speaking into the microphone 16 a collective voice command "kusai" corresponding to the registered word. This makes it possible to quickly and accurately carry out a series of combined deodorizing operations even if you suddenly notice a bad odor while driving.

Further, in the device of this embodiment, an odor sensor circuit 38 is provided in order to automatically detect the odor generated around the vehicle and perform the same deodorizing complex operation as described above. The signal detected by the odor sensor circuit 38 is input to the CPU 30 via an input buffer circuit 40 and a 10 interface 42. As a result, when a bad odor occurs around the vehicle, the odor sensor circuit 38 automatically detects the odor, and when the detection level exceeds a certain value, the CPU 30 sends an e-mail to multiple in-vehicle devices similar to those described above. Perform a series of deodorizing complex operations.

In addition, when performing a series of deodorizing compound operations based on the detection signal of the odor sensor circuit 38 in this way, the CPU 30 drives the recognition signal output circuit 44 and causes the odor indicator 46 to display the deodorizing mode.

The driver can confirm that the combined deodorizing operation of the in-vehicle equipment is automatically performed based on the detection signal of the odor sensor circuit 38.

As described above, in the device of this embodiment, a series of deodorizing complex operations can be performed using both the human sense of smell and the detection signal of the odor sensor circuit 38, thereby maintaining a good environment inside the vehicle. becomes possible.

Furthermore, in the device of this embodiment, when the surrounding odor disappears while driving with the power windows and sunroof closed, the air conditioner in indoor air mode, and the air purifier turned on, as described above, The odor sensor circuit 3
8 is used to detect this, the odor indicator 46 is turned off, and the windshield window, sunroof, air conditioner, air purifier, etc. are automatically returned to their initial states before the start of the combined deodorizing operation. As a result, the driver is freed from the operations of opening the power windows and sunroof, switching the air conditioner, and turning off the air purifier, which were performed in the conventional device, and can concentrate on driving.

FIG. 4 shows an example of the odor sensor circuit 38 used in the device of this embodiment, and the odor sensor circuit 38 of the embodiment includes an odor sensor element 48 whose resistance value changes depending on the surrounding odor. A bridge circuit 50 provided on one side is used to detect odor. This bridge circuit 50 is
It is formed by using a fixed resistor R on the other two sides and a temperature compensation element 52 on the other side, and a constant voltage is applied by a DC constant voltage circuit 53, and the bridge output is sent via the comparator 54 as described above. The input signal is input to the input buffer circuit 40. Therefore, this odor sensor circuit 38 can detect any level of malodor by adjusting the bridge output of the bridge circuit 50 using the adjustment resistor 56.

The apparatus of the present invention has the above-mentioned configuration, and its operation will be explained next.

The device of this embodiment starts the voice recognition operation according to the flowchart shown in FIG. 3 by the driver uttering a collective voice command corresponding to the registered word into the microphone 16.

Therefore, while the vehicle is running, the driver can simply utter a collective voice command corresponding to the registered word "kusai" into the microphone 16, and the power windows and sunroof can be closed, the air conditioner can be switched to indoor air mode, and the air purifier can be cleaned. Since all devices are turned on all at once, even if a bad odor suddenly occurs while the vehicle is running, a series of complex operations on the onboard devices can be performed quickly and accurately to prevent the odor from entering the vehicle. This makes it possible to effectively prevent this.

Furthermore, in the device of this embodiment, when the bad odor naturally disappears while the vehicle is running, this is detected by the odor sensor circuit 38, and the power windows, sunroof, air conditioner,
To automatically return an air purifier, etc. to its initial state.

Therefore, in this embodiment, a series of complex operations on multiple in-vehicle devices that are performed in response to the occurrence and disappearance of bad odors while the vehicle is running can be performed by uttering a single collective voice command "kusai". The burden on the driver required to operate the equipment is significantly reduced, allowing the driver to concentrate on driving.

Furthermore, in the device of this embodiment, even if the driver does not utter such a collective voice command, the odor sensor circuit 38 automatically detects the odor in the surroundings, and performs the same series of deodorizing complex operations as described above. This reduces the burden on drivers from this aspect.

In addition, in the embodiments described above, the devices for operating power windows, sunroofs, air conditioners, air purifiers, etc. (by voice command), but the device of the present invention is not limited to this, and can be used to operate these in-vehicle devices. In addition to this, it is also possible to perform other in-vehicle operations at once.

As described in detail, the device of the present invention can quickly and efficiently perform a series of combined deodorizing operations on multiple in-vehicle devices without burdening the driver with dealing with bad odors generated while driving. This can be done reliably.

[Brief explanation of the drawing]

FIG. 1 is a schematic explanatory diagram showing a preferred embodiment of the vehicle voice recognition device according to the present invention, FIG. 2 is a block diagram showing a detailed embodiment of the device of the present invention, and FIG. 3 is similar to FIG. FIG. 4 is an explanatory diagram of the odor sensor circuit of the device shown in FIG. 2. 10... Device operation memory, 12... Registered word setting memory, 14... Voice recognition circuit, 18... In-vehicle equipment. Agent Patent Attorney Yoshi 1) Kenji Figure 3 Figure 4

Claims (1)

[Claims] (1) In a vehicle voice recognition device that recognizes voice commands uttered by a speaker and operates in-vehicle equipment, the power window closing operation and air conditioner air mode switching operation that are read out in accordance with a predetermined batch voice command are performed. a device operation memory storing a series of deodorizing compound operation programs for a plurality of in-vehicle devices including a device operation memory, and a registered word setting memory in which a predetermined registered word meaning deodorizing operation is preset, and a voice uttered by a speaker. a voice recognition circuit that performs voice recognition to determine whether or not the command matches the registered word, and executes the program stored in the device operation memory when it recognizes that the two match; A voice recognition device for a vehicle, characterized in that it performs a series of deodorizing complex operations for a group of vehicle combat equipment by uttering a collective voice command corresponding to a registered word.