KR101382839B1 - Multiple Inspection Apparatus for Multimedia Devices of a Vehicle - Google Patents

Abstract

The present invention relates to a vehicle multimedia device composite inspection apparatus, comprising: a sound source module capable of outputting a previously stored sound source or a predetermined melody to a voice signal input unit of a vehicle multimedia device including hands-free and car audio; A level meter capable of visually displaying a sound pressure level of the voice signal by receiving a voice signal input to the hands-free microphone for the vehicle; And a power input unit capable of receiving power from a cigar jack power source of the vehicle.

Handsfree, Bluetooth, AUX, USB, Level Meter, Cigar Jack, Inspection

Description

Multiple Inspection Apparatus for Multimedia Devices of a Vehicle}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite inspection device for a multimedia device for a vehicle. In particular, the multimedia device for a vehicle which can inspect the normal operation of various multimedia devices such as wired / wireless hands-free, car audio aux (AUX) input terminal, and a USB terminal. It relates to an inspection apparatus.

With the rapid development of IT technology, various IT-related electronic devices have been installed in vehicles, and thus, digital sound sources that have been downloaded can be played beyond the standard of car audio with the functions of simply listening to radio, tape, and CD. BACKGROUND OF THE INVENTION Vehicle mounting of multimedia devices that are present, or versatile multimedia devices that can play various videos with LCD screens, is becoming increasingly common. Recent trends show that the installation of high-end multimedia devices with LCD screens tends to be limited to some high-end cars.However, portable digital devices such as MP3 players and portable multimedia players (PMPs) can be analog-connected and used at home or on the street. Decode and then amplify digital audio sources such as car audio with AUX input or MP3 files stored in USB memory or flash memory cards so that you can listen to music on the fly while driving. Car audio with a USB port for listening is becoming increasingly popular in less expensive cars. In addition, hands-free devices that enable the safe use of mobile phones, which are essentials of modern people, are also increasingly necessary as required or regulated by relevant laws.In addition to the existing wired hands-free, Bluetooth-based wireless Even hands-free is becoming more common.

As such, as the mounting of various multimedia devices on a vehicle becomes common, the type and number of quality inspection devices required by a vehicle manufacturer's finished vehicle inspection line are gradually increasing. Accordingly, the worker of the finished vehicle inspection line is provided with a wired hands-free inspector, an Oak inspector, a USB inspector, and the like, and suffered the inconvenience of performing the inspection by changing the inspection equipment each time the function is inspected. In addition, the vehicle manufacturer is not often produced by mixing a plurality of models in one line, in this case, there are many options for each type of car, even if the same type of car, there are a lot of options by grade. For example, it is not unfamiliar when a vehicle equipped with a wired handsfree and a vehicle equipped with a wireless handsfree are subjected to quality inspection in the same finished vehicle inspection line. In this case, since the necessary inspection equipment should be additionally provided according to the various options, there is a problem that the trouble of quality inspection workers and the required labor time are doubled. In addition, as the number of inspection apparatuses increases, it is difficult to store or maintain the inspection apparatuses.

Moreover, in the case of hands-free microphones or speakers, there is no way to properly check the performance of the phone except to connect the phone directly and make a phone call. In the case of hands-free, there is no proper inspection equipment, so many people simply rely on the visual sensory test, which is also placed in the hope of a vehicle manufacturer who wants to increase sales by increasing the satisfaction of vehicle buyers through quality improvement. It was to be.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to increase the efficiency of quality inspection by providing a composite inspection device that can simultaneously inspect a variety of multimedia devices mounted on a vehicle.

In addition, it is an object of the present invention to contribute to the improvement of vehicle quality and customer satisfaction by providing an inspection apparatus that can perform a proper quality inspection for a vehicle multimedia device that does not exist in the prior art.

In order to achieve the above object, one embodiment of the present invention, a sound source module capable of outputting a previously stored sound source or a predetermined melody to a voice signal input unit of a vehicle multimedia device including hands-free, car audio; A level meter capable of visually displaying a sound pressure level of the voice signal by receiving a voice signal input to the hands-free microphone for the vehicle; And a power input unit capable of receiving power from a cigar jack power source of the vehicle.

The vehicle multimedia device composite inspection device of the present invention may further include a power indicator lamp that is turned on while receiving power from the cigar jack power of the vehicle.

In-vehicle multimedia device composite inspection device of the present invention may further include a melody switch for controlling the output of the audio signal of the sound source module, and also is turned on while the melody switch is turned on (ON) to output the sound signal of the sound source module A melody display lamp may be further provided.

The vehicle multimedia device composite inspection apparatus of the present invention may further include a wireless hands-free module capable of transmitting and receiving voice signals and control signals by communicating with a wireless hands-free device provided in a vehicle.

In this case, the apparatus further comprises a hands-free switch for controlling the operation of the wireless hands-free module and a wired hands-free module which is connected to a wired hands-free device provided in the vehicle to transmit / receive voice signals and control signals through a wired hands-free connection unit. When it is turned on, the voice signal and the control signal can be transmitted and received only through the wireless handsfree module, and when the handsfree switch is OFF, the voice signal and the control signal can be transmitted and received only through the wired handsfree module. Can be.

The composite multimedia inspection device for a vehicle according to the present invention may further include a hands-free operation display lamp which is turned on while the hands-free switch is turned on and the wireless hands-free module is operated.

On the other hand, the vehicle multimedia device composite inspection apparatus of the present invention may be such that the sound source or melody output from the sound source module is output through the wired hands free module when the hands free switch is off and the melody switch is turned on.

The apparatus may further include an ax input module that may be connected to an ax input terminal of a car audio provided in a vehicle through an ax input connection, and only when the hands-free switch is turned off, a sound source or a melody output from the sound source module may be input to the ax input. Can be output through the module.

The oak input connector and the wired hands free connector may be provided separately.

In the vehicular multimedia device composite inspection apparatus of the present invention, the level meter may be configured by arranging a plurality of LEDs in a constant arrangement.

On the other hand, the wireless hands-free module may be Bluetooth.

The composite vehicle inspection apparatus for a vehicle multimedia device of the present invention may further include a USB module including a USB connection unit connected to a USB (Universal Serial Bus) terminal connected to the car audio.

In this case, the USB module may include a sound source memory in which a sound source is stored.

Lastly, the vehicular multimedia device composite inspection device of the present invention may further include a constant voltage circuit unit connected to the power input unit and capable of outputting a constant voltage at two or more different voltages.

According to the composite inspection device for a vehicle multimedia device of the present invention, the quality inspection worker eliminates the trouble of inspecting by changing various inspection equipments, thereby increasing the convenience of the worker's work and reducing the manpower of the quality inspection worker. There is an effect that can be improved.

In addition, by enabling the appropriate quality inspection of the new multimedia device, which previously relyed on the sensory inspection by the naked eye, it contributes to the improvement of the quality of the vehicle, especially the emotional quality that the customer feels, thereby improving the customer satisfaction and the vehicle. It can also contribute to increased sales.

Hereinafter, an embodiment of a vehicular multimedia device composite inspection device of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1A is a view schematically showing the configuration of a vehicle multimedia device composite inspection device of the present invention, and FIG. 1B is a view showing the in-vehicle devices to which the vehicle multimedia device composite inspection device of the present invention is connected.

The vehicle multimedia device composite inspection apparatus 100 according to the present invention includes a sound source module 140, a wired handsfree module 110, a wireless handsfree module 120, an oak input module 130, a USB module 160, and a level meter ( 150). The composite inspection apparatus 100 of the present invention also includes a power input unit 180 connected to the cigar jack power source 290 of the vehicle to be supplied with power, and the power input to the power input unit 180 is a variable power source of the vehicle. In consideration of characteristics, it is preferable to pass through the constant voltage circuit unit 170 and then supplied to each module.

In addition, since the various modules, the level meter, and the like are different from each other commonly used in the art, the constant voltage circuit unit 170 may supply a constant voltage to at least two different voltages. In FIG. 1A, a voltage value supplied to each module is described, but this is exemplary.

The sound source module 140 is a hands-free device or a car audio mounted in a vehicle through a wired hands free module 110, a wireless hands free module 120, an oak input module 130, or the like. It can be output to the voice signal input unit of the multimedia device. The sound source stored in advance refers to a sound source converted into a digital media file after recording and stored in the sound source module 140, and the preset melody refers to a predetermined melody which can be synthesized electronically according to a preset rule.

The wired hands free module 110 is configured to transmit and receive a voice signal and a control signal with the wired hands free device 210 inside the vehicle through the wired hands free connection unit 113 to check whether the wired hands free device 210 operates normally. Used to. The voice signal transmitted from the wired hands free module 110 is a sound source or melody output from the sound source module 140. On the other hand, the voice signal input to the microphone 270 in the vehicle is input to the wired hands-free module 110 of the complex inspection device 100 of the present invention through the wired hands-free device 210 in the vehicle level meter 150 Is delivered.

The wireless handsfree module 120 is configured to transmit / receive a voice signal and a control signal with the wireless handsfree device 220 inside the vehicle through a wireless device, and is used to check whether the wireless handsfree device 220 is normally operated. The voice signal input by the microphone 270 in the vehicle is received by the wireless hands-free module 120 of the complex inspection apparatus 100 of the present invention through the wireless hands-free device 220 in the vehicle, and then to the level meter 150. Delivered. In the embodiment (FIG. 2) of the composite inspection apparatus of the present invention described below, the wireless hands free module 120 does not include a voice signal transmission function, but as shown in FIG. Of course, it is also possible to wirelessly transmit the sound source or melody output from the module 140.

Since the wireless hands-free device 220 mounted in a vehicle is mostly a Bluetooth system, the wireless hands-free module 120 is also configured to satisfy the Bluetooth transmission standard. Bluetooth wireless devices must go through a so-called pairing process, which is a connection process between devices before sending and receiving data such as a voice signal. In the case of a wireless hands-free device 220 mounted in a vehicle, it is associated with a car audio 240 or other vehicles. In many cases, the pairing process and pairing completion can be confirmed through a screen in connection with an internal image display device (not shown). The inspection of the wireless hands-free device 220 by the composite inspection device 100 of the present invention should also be performed after such pairing is completed.

In FIG. 1B, the wired hands-free device 210 and the wireless hands-free device 220 are shown in the vehicle together and connected to the microphone 270 and the speaker 280, respectively, but this is not only the wired hands-free device 210 but also the wireless hands-free device. It is only for explaining the configuration of the composite inspection device 100 of the present invention that can be used for the inspection of the device 220, it is common that only one of the wireless hands-free device 220 or the wired hands-free device 210 is mounted in the vehicle. to be.

The level meter 150 is a device for visually displaying the sound pressure level of the input voice signal. The power of the level meter 150 is supplied from the constant voltage circuit unit 170, and the voice signal is wired hands free module 110 or a wireless hands free module. Receive input from 120. In the complex inspection device 100 of the present invention, the audio signal input to the wired hands-free module 110 or the wireless hands-free module 120 is input through the microphone 270 provided in the vehicle, so that the wired hands-free device 210 or The voice signal transmitted through the wireless hands-free device 220. Therefore, the level meter 150 may not only check whether the microphone 270 and the wired / wireless hands free devices 210 and 220 provided inside the vehicle are operated but also check whether the sound pressure of an appropriate level is displayed. 270) or whether the operating state of the wired or wireless handsfree device 210, 220 is within the normal range. The type of the level meter is not limited, but the complex inspection apparatus 100 of the present invention shown in FIG. 1A uses a digital level meter driven by the level IC 155. More specifically, in one embodiment of the composite inspection device of the present invention shown in Figure 2 used a level meter of a type in which a plurality of LEDs are arranged side by side, the arrangement of the LED can be modified in various forms.

The ox input module 130 is a device that can check whether the ox input terminal 230 is normally operated by being connected to the ox input terminal 230 of the car audio 240 mounted inside the vehicle through the ox input connector 133. . That is, the sound source or melody from the sound source module 140 is output to the ox input terminal 230 while the car audio 240 is turned on and the playback mode is switched to AUX. It is possible to confirm whether or not the normal operation of the Oak input terminal 230 by checking whether or not the normal playback through the 280. In FIG. 1B, the car speaker 280 is illustrated as being commonly connected to the hands-free devices 210 and 220 and the car audio 240, but a speaker for the hands-free device and a speaker for the car audio may be separately provided depending on the vehicle model. .

The USB module 160 checks whether the USB terminal 260 mounted on the car audio 240 has a function of directly playing a digital media file such as an MP3 file or a WAV file. The USB module 160 is connected to the USB terminal 260 in the vehicle through the USB connection 163 of the complex inspection device 100 of the present invention, turn on the car audio and play mode to the digital media file playback mode After switching, the sound source data is transmitted to the USB terminal 260 to check whether the sound source is normally played through the speaker 280, thereby checking whether the USB terminal 260 is operating normally. Since the USB module 160 may be supplied with power through the USB terminal 260 of the vehicle, the USB module 160 may operate without being connected to the constant voltage circuit unit 170 of the complex inspection device 100 of the present invention, but for more stable operation. It may be configured to receive power from the constant voltage circuit unit 170. On the other hand, the USB module 160 has a built-in sound source memory 165, but preferably stores the digital media files, that is, the sound source data itself, it is configured to input the sound source data from the outside through a flash memory card, etc. It is also possible.

Hereinafter, an embodiment of a vehicle multimedia device complex inspection device according to the present invention will be described with reference to FIG. 2. Figure 2 is an external view of an embodiment of a vehicle multimedia device composite inspection device of the present invention.

Since the embodiment shows only the appearance of the vehicle multimedia device complex inspection device 100 of the present invention, the sound source module 140, the wired hands free module 110, the wireless hands free module 120, and the oak input module 130 described above. ), The USB module 160, the constant voltage circuit unit 170 and the like are not shown in all the built-in.

The composite inspection device 100 of the present invention includes a power input unit 180 connected to the cigar jack power source 290 of the vehicle, and the power input unit 180 is connected to the cigar jack power source 290 so that the composite inspection device of the present invention ( A power display lamp 181 which maintains a lighting state while power is supplied to the 100 is provided. Therefore, the power display lamp 181 can confirm whether or not the power is supplied to the composite inspection device 100 of the present invention and at the same time can also check whether or not the cigar jack power 290 of the vehicle is operating normally.

In addition, the sound source module 140 is provided with a melody switch 145 for controlling the output of the sound signal (sound source or melody) to control the on / off output of the sound signal module 140, the melody switch ( Since the 145 is turned on and the melody display lamp 141 maintains a lighting state while the voice signal of the sound source module 140 is output, the voice signal output of the sound source module 140 can be easily checked.

Hands-free switch 125 for controlling the operation of the wireless hands-free module 120 and the hands-free operation display for maintaining the lighting state while the wireless hands-free module 120 is turned on by the hands-free switch 125. Lamp 121 is also provided. The hands-free switch 125 may simply perform a function of controlling on / off of the wireless hands-free module 120. However, the hands-free switch 125 may prevent a mistake or confusion during the inspection of a plurality of multimedia devices by the complex inspection device 100 of the present invention. When the hands-free switch 125 is turned on, only the wireless hands-free module 120 is operated. When the hands-free switch 125 is turned off, the devices except for the wireless hands-free module 120 are used, that is, the wired hands-free module 110. Or the aux input module 130 may be configured to operate. In addition, when the wireless hands-free device 220 of the vehicle is turned on, the hands-free switch 125 is turned on to turn on the wireless hands-free module 120 of the complex inspection apparatus 100 of the present invention. Is preferably configured to automatically initiate pairing.

A wired handsfree connection unit 113 for connecting with the wired handsfree device 210 of the vehicle, an ox input connection unit 133 for connecting with the aux input terminal 230, and a USB connection unit 163 for connecting with the USB terminal 260. Although shown in FIG. 2 as one component, it is preferable to be provided separately from each other in the form of a composite cable that can be connected to one connector or a plurality of connectors. In the quality inspection of the multimedia device of the finished car, in the state of connecting all the cables connected to each of these devices rather than inspecting while connecting the composite inspection device 100 of the present invention in order to the wired hands-free device, Oak input terminal, USB terminal, etc. This is because it is possible to inspect the normal operation of all the connected multimedia devices only by the operation of the apparatus in the vehicle and the complex inspection device of the present invention, so that a more rapid and convenient quality inspection can be made.

Meanwhile, in the present embodiment, the level meter 150 is composed of a plurality of LEDs arranged side by side as mentioned above, but it is also possible to arrange the LEDs in other forms, and other visual display devices other than the LEDs may be used. Could be

In addition, it is preferable that the hanger 190 is provided for simplifying the storage and carrying of the composite inspection device 100 of the present invention.

Finally, a description will be given of the wired / wireless hands-free and ox input stage inspection process by the vehicle multimedia device composite inspection device of the present invention.

When the Bluetooth wireless hands-free device 220 is inspected, the composite inspection device 100 according to the present invention is first connected to the cigar jack power source 290 of the vehicle and the power indicator lamp 181 is turned on. Subsequently, if the hands-free switch 125 of the complex inspection apparatus 100 is turned on after the car audio 240 is set to a pairing mode, a display device (not shown) provided in the car audio 240 or The pairing process is displayed on a separately provided display device (not shown). After pairing is completed, the wireless hands-free device 220 and the hands-free microphone 270 are normally operated by inputting a voice into the hands-free microphone 270 of the vehicle and at the same time checking the level meter 150 of the complex inspection device 100. Check it. Next, the inspection ends by turning off the hands-free switch 125.

When inspecting the wired hands-free device 210, first, the composite inspection device 100 is connected to the cigar jack power source 290, and then the power indicator lamp 181 is turned on. Subsequently, the wired hands free connection unit 113 and the wired hands free device 210 are connected with a hands free cable (not shown). At this time, the hands free switch 125 should be turned off, and if it is turned on, it is turned off. Subsequently, by pressing the hands-free operation button (not shown) of the vehicle, the hands-free operation control signal is output to the wired hands-free module 110, and the voice is input to the hands-free microphone 270, and at the same time the level of the complex inspection device 100 is applied. Check the meter 150 to check whether the wired hands-free device 210 and the hands-free microphone 270 operate normally. Next, after the melody switch 145 of the composite inspection device 100 is turned on and the melody display lamp 141 is turned on, the inspection is terminated by confirming whether the sound source or the melody is output from the vehicle speaker 280. do.

At the time of the oak input stage inspection, first, the composite inspection apparatus 100 is connected to the cigar jack power source 290 and the power display lamp 181 is turned on. Subsequently, the ox input connector 133 of the complex inspection apparatus 100 and the ox input terminal 230 of the vehicle are connected with an ox cable (not shown). At this time, the hands free switch 125 should be turned off. After setting the mode of the car audio 240 to the AUX mode, turn on the melody switch 145 of the composite inspection device 100, and after confirming that the melody display lamp 141 is turned on, the vehicle speaker The test is terminated by checking whether the sound source or the melody is output at 280.

While the vehicle multimedia device composite inspection device of the present invention has been described according to one preferred embodiment, those skilled in the art can make various modifications and changes to the embodiment without departing from the scope of the technical idea of the present invention. It will be appreciated that modifications can be made. Therefore, it should be noted that the scope of the present invention is defined only by the description of the claims below.

Figure 1a is a schematic diagram showing the configuration of a vehicle multimedia device composite inspection device of the present invention.

FIG. 1B is a view illustrating the in-vehicle devices to which the composite multimedia inspection apparatus for a vehicle of the present invention of FIG. 1A is connected.

Figure 2 is an external view of an embodiment of a vehicle multimedia device composite inspection device of the present invention.

Claims (15)

A sound source module for outputting a previously stored sound source or a predetermined melody to a voice signal input unit of a vehicle multimedia apparatus including hands-free and car audio; A level meter capable of visually displaying a sound pressure level of the voice signal by receiving a voice signal input to the hands-free microphone for the vehicle; A power input unit capable of receiving power from the cigar jack power of the vehicle; A melody switch for controlling an audio signal output of the sound source module; And Including a wireless hands-free module for transmitting and receiving voice signals and control signals by communicating with a wireless hands-free device provided in the vehicle, A hands-free switch for controlling the operation of the wireless hands-free module and a wired hands-free module connected to a wired hands-free device provided in the vehicle through a wired hands-free connection unit for transmitting and receiving voice signals and control signals are provided. When the signal is turned ON, the voice signal and the control signal can be transmitted and received only through the wireless handsfree module, and when the handsfree switch is OFF, the voice signal and the control signal can be transmitted and received only through the wired handsfree module. Vehicle multimedia device composite inspection device. The method according to claim 1, And a power indicator lamp which is turned on while receiving power from the cigar jack power of the vehicle. delete The method according to claim 1, And a melody display lamp which is turned on while the melody switch is turned on and the voice signal of the sound source module is output. delete delete The method according to claim 1, And a hands-free operation indicator lamp which lights up while the hands-free switch is turned on while the wireless hands-free module is in operation. The method according to claim 1, And a sound source or a melody output from the sound source module may be output through the wired hands free module when the hands free switch is turned off and the melody switch is turned on. The method according to claim 1, The aux input module may be further connected to an ax input terminal of a car audio provided in the vehicle through an ax input connection, and only when the hands-free switch is turned off, a sound source or a melody output from the sound source module may be used to provide the ax input module. Vehicle multimedia device composite inspection device, characterized in that can be output through. 10. The method of claim 9, And the Oak input connection unit and the wired hands free connection unit are separately provided. The method according to claim 1, The level meter is a vehicle multimedia device composite inspection device, characterized in that a plurality of LEDs are arranged in a predetermined arrangement. The method according to claim 1, The wireless hands-free module is a vehicle multimedia device composite inspection device, characterized in that the Bluetooth. A sound source module for outputting a previously stored sound source or a predetermined melody to a voice signal input unit of a vehicle multimedia apparatus including hands-free and car audio; A level meter capable of visually displaying a sound pressure level of the voice signal by receiving a voice signal input to the hands-free microphone for the vehicle; And It is configured to include a power input for receiving power from the cigar jack power of the vehicle, And a USB module including a USB connection for connecting with a USB (Universal Serial Bus) terminal connected to the car audio. 14. The method of claim 13, The USB module is a vehicle multimedia device composite inspection device, characterized in that it comprises a sound source memory is stored. A sound source module for outputting a previously stored sound source or a predetermined melody to a voice signal input unit of a vehicle multimedia apparatus including hands-free and car audio; A level meter capable of visually displaying a sound pressure level of the voice signal by receiving a voice signal input to the hands-free microphone for the vehicle; And It is configured to include a power input for receiving power from the cigar jack power of the vehicle, And a constant voltage circuit unit connected to the power input unit and capable of outputting a constant voltage at two or more different voltages.

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