Portable intelligent cockpit voice interaction testing device

Abstract

The utility model relates to the field of test equipment, in particular to a portable intelligent cockpit voice interaction test device, which comprises an industrial control mainboard, a memory, a sound card, a power amplifier, a loudspeaker, a sound pickup and a sound amplification unit, when an interaction test is carried out, the industrial control mainboard inputs an interaction test digital signal stored in the memory into the sound card for analog-to-digital conversion; and the power amplifier amplifies the power of the obtained analog signal and outputs the amplified analog signal to the loudspeaker for playing, so that the voice test is performed on the intelligent cabin. When the intelligent cabin returns audio feedback, the sound pickup is used for collecting the audio feedback, the audio feedback is amplified by the sound amplification unit to obtain an amplified analog signal, and the amplified analog signal is converted into a digital signal by the sound card and stored in the memory to complete the test. The system is high in integration level, hardware needed by voice interaction testing is integrated in one system, and testing convenience is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of test equipment, concretely is portable intelligent cockpit voice interaction test device. BACKGROUND

[0002] The cockpit voice interaction test refers to the process of evaluating the performance of the voice recognition and interaction system in the automobile cockpit. With the development of intelligent networked vehicles, voice interaction, as one of the important means to improve driving safety and user experience, has become increasingly important. The existing cockpit voice test is generally tested in a laboratory scene, which is composed of an industrial computer, a sound card, a voice acquisition module, etc. During testing, the above-mentioned parts need to be connected together for debugging before normal testing can be carried out, which is very inconvenient. SUMMARY

[0003] Therefore, the utility model aims to provide a portable intelligent cockpit voice interaction test device to solve the problem of poor convenience of the existing cockpit voice test.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The portable intelligent cockpit voice interaction test device of the utility model comprises an industrial control mainboard, a memory for storing interaction test instructions, a sound card for analog-to-digital conversion or digital-to-analog conversion, a power amplifier for power amplifying audio analog signals from the sound card, a loudspeaker for interaction test audio output based on power amplified audio analog signals, a sound pickup device for collecting cockpit voice feedback, and a sound amplification unit for amplifying audio analog signals collected by the sound pickup device.

[0006] The memory is connected to the industrial control mainboard, the digital signal end of the sound card is connected to the industrial control mainboard, one of the analog signal ends of the sound card is connected to the input end of the power amplifier, the other analog signal end of the sound card is connected to the output end of the sound amplification unit, the loudspeaker is connected to the output end of the power amplifier, and the sound pickup device is connected to the input end of the sound amplification unit.

[0007] In an embodiment of the present application, a power supply for converting input 220V alternating current into 24V direct current is further included, the input end of the power supply is connected to an external alternating current power source, the output end of the power supply is connected to the power supply end of the industrial control mainboard, and the output end of the power supply is further connected to the power supply end of the power amplifier.

[0008] In an embodiment of the present application, the power supply end of the sound amplification unit is connected to the USB interface of the industrial control mainboard through a USB line and is powered through the USB interface.

[0009] In an embodiment of the present application, the industrial control mainboard is provided with a button switch for controlling the power supply state and an indicator lamp for indicating the power supply state, and the button switch and the indicator lamp are connected with the industrial control mainboard.

[0010] In an embodiment of the present application, an integrated box is provided, the integrated box is provided with a support inside, and the industrial control mainboard, the memory, the power amplifier and the sound amplification unit are all mounted on the support.

[0011] In an embodiment of the present application, the integrated box is provided with a heat dissipation module for dissipating heat inside the integrated box, and a control end of the heat dissipation module is connected with the industrial control mainboard.

[0012] In an embodiment of the present application, the integrated box is provided with a plurality of interfaces, an output end of the power amplifier is connected with a loudspeaker outside the integrated box through the interface, and an input end of the sound amplification unit is connected with the sound pickup outside the integrated box through the interface.

[0013] The portable intelligent cockpit voice interaction test device of the present application has the following beneficial effects: the industrial control mainboard inputs the interaction test digital signal stored in the memory into the sound card for analog-digital conversion, the obtained analog signal is output to the loudspeaker for playing after power amplification by the power amplifier, so that the intelligent cockpit is subjected to voice test; when the intelligent cockpit returns audio feedback, the sound pickup is used to collect and amplify the analog signal through the sound amplification unit, and the amplified analog signal is converted into a digital signal by the sound card and stored in the memory, so that the test is completed. The present application has high integration, integrates the hardware required for voice interaction test in a system, and greatly increases the test convenience. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in combination with the drawings and embodiments:

[0015] Figure 1 FIG. 1 is a functional structure diagram of the portable intelligent cockpit voice interaction test device in an embodiment of the present application;

[0016] Figure 2 FIG. 2 is a physical structure diagram of the voice interaction test device in an embodiment of the present application;

[0017] Figure 3 FIG. 3 is an internal physical structure top view of the voice interaction test device in an embodiment of the present application;

[0018] Figure 4 FIG. 4 is an internal physical structure inclined view of the voice interaction test device in an embodiment of the present application.

[0019] Reference signs are as follows:

[0020] 1-integrated box, 2-industrial control mainboard, 3-power amplifier, 4-sound amplification unit, 5-heat dissipation module, 6-bracket, 7-memory. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below with specific reference to the drawings. Those skilled in the art can easily understand other advantages and functions of the present application from the content disclosed in the specification. The present application can also be implemented or applied in other different embodiments, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0022] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and only the layers related to the present application are shown in the diagrams, not the number of layers, shapes and sizes when actually implemented. The actual implementation of each layer can be randomly changed in shape, number and proportion, and the layer layout pattern can also be more complex.

[0023] In the following description, a large number of details are discussed to provide a more thorough explanation of the embodiments of the present application, however, it is obvious to those skilled in the art that the embodiments of the present application can be implemented without these specific details.

[0024] Figure 1 The function structure diagram of the portable intelligent cockpit voice interaction test device in an embodiment of the present application is shown in FIG. 1, which includes an industrial control mainboard 2, a memory 7 for storing interaction test instructions, a sound card for analog-to-digital conversion or digital-to-analog conversion, a power amplifier 3 for power amplifying audio analog signals from the sound card, a loudspeaker for outputting interaction test audio based on the power amplified audio analog signals, a sound pickup device for collecting cockpit voice feedback, a sound amplification unit 4 for amplifying the audio analog signals collected by the sound pickup device, and a power supply for converting input 220V alternating current into 24V direct current. Figure 1

[0025] The memory 7 is connected to the industrial control mainboard 2 through a data bus.

[0026] The digital signal end of the sound card is connected to the industrial control mainboard 2, specifically, the sound card is installed on the industrial control mainboard 2 through a PCIE slot.

[0027] ​One of the analog signal terminals (KL1 and KL2) of the sound card is connected to the input terminal of amplifier 3 via an XLR audio cable. The male XLR connector is connected to one of the analog signal terminals of the sound card, and the female XLR connector is connected to the input terminal of amplifier 3.

[0028] The other analog signal terminals (KS1 and KS2) of the sound card are connected to the output of the sound amplification unit 4 via a BNC coaxial cable.

[0029] The speaker is connected to the output of amplifier 3 via a XLR audio cable.

[0030] The microphone is connected to the input of the sound amplification unit 4 via a BNC coaxial cable.

[0031] The power supply's input terminal is connected to an external 220V AC power source, and its output terminal is connected to the power supply terminal of the industrial control motherboard 2; the power supply's output terminal is also connected to the power supply terminal of the power amplifier 3. The power supply converts the input 220V AC power into 24V DC power to supply power to the industrial control motherboard 2 and the power amplifier 3.

[0032] The industrial control motherboard 2 is also equipped with a push-button switch for controlling the power supply status and an indicator light for indicating the power supply status. Both the push-button switch and the indicator light are connected to the industrial control motherboard 2.

[0033] The power supply terminal of the sound amplification unit 4 is connected to the USB interface of the industrial control motherboard 2 via a USB cable, and is powered through the USB interface. The sound amplification unit 4 is powered by the USB interface of the industrial control motherboard 2.

[0034] In terms of physical structure, in order to improve its overall integration, this application integrates the above modules together by setting up an integrated box 1. Figure 2 This is a physical structure diagram of a voice interaction testing device according to an embodiment of this application. The application employs the following... Figure 2 The box shown is used to achieve functional integration. Figure 3 This is a diagram showing the internal physical structure of a voice interaction testing device according to one embodiment of this application. Figure 4 This is a tilted view of the internal physical structure of a voice interaction testing device according to an embodiment of this application, such as... Figures 3-4 As shown, the integrated housing 1 is equipped with a bracket 6, and the industrial control motherboard 2, the memory 7, the power amplifier 3 and the sound amplification unit 4 are all mounted on the bracket 6.

[0035] The integrated housing 1 is equipped with a heat dissipation module 5 for cooling the interior of the integrated housing 1. The control terminal of the heat dissipation module 5 is connected to the industrial control motherboard 2. The heat dissipation module 5 mainly consists of a cooling fan, and its power supply and control lines are both connected to the industrial control motherboard 2.

[0036] The integrated box 1 is provided with a plurality of interfaces, the output end of the power amplifier 3 is connected with a loudspeaker outside the integrated box 1 through the interface, and the input end of the sound amplification unit 4 is connected with the sound pickup outside the integrated box 1 through the interface.

[0037] In addition, the industrial control mainboard 2 in the application adopts a 32GB memory, an I7 processor, a hard disk (memory 7) with a capacity of 512GB, is provided with a PEIC slot to install a sound card, and in addition, the edge of the industrial control mainboard 2 is fixed by a square frame, so as to be installed into the integrated box 1. The industrial control mainboard 2 is provided with two sound input ports, a microphone (sound pickup) adopts IEPE power supply, adopts two sound outputs, and contains eight USB interfaces, and has good expansibility.

[0038] The test process of the application is as follows:

[0039] (1) Turn on the power switch, and start testing when the power indicator light is on.

[0040] (2) External display and operation peripheral (mouse, keyboard, etc.) are connected. Select the test audio in the memory 7, and drive the loudspeaker to play after signal digital-to-analog conversion and amplification.

[0041] (3) When the intelligent cockpit feedback voice information, the audio is collected by the sound pickup, and after signal amplification and analog-to-digital conversion, it is automatically stored in the memory 7 to obtain the test result.

[0042] The portable intelligent cockpit voice interaction test device of the utility model, including industrial control mainboard, memory, sound card, power amplifier, loudspeaker, sound pickup and sound amplification unit, when carrying out interaction test, the industrial control mainboard inputs the interaction test digital signal stored in the memory to the sound card to carry out analog-to-digital conversion, and the obtained analog signal is output to the loudspeaker after power amplification by the power amplifier, so as to carry out voice test on the intelligent cockpit. When the intelligent cockpit returns audio feedback, the sound pickup is used to collect and amplify after the sound amplification unit, to obtain the amplified analog signal, and then the sound card is converted into a digital signal and stored in the memory, and the test is completed. The application has high integration, and the hardware required for voice interaction test is integrated in a system, so that the test convenience is greatly increased.

[0043] In the above embodiments, although the utility model has been described in combination with the specific embodiments of the utility model, many alternatives, modifications and variations of the embodiments will be obvious to those skilled in the art according to the foregoing description. The embodiments of the utility model are intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims.

[0044] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A portable intelligent cockpit voice interaction testing device, characterized in that, It includes an industrial control motherboard, a memory for storing interactive test instructions, a sound card for performing analog-to-digital conversion or digital-to-analog conversion, a power amplifier for amplifying the audio analog signal from the sound card, a speaker for outputting interactive test audio based on the amplified audio analog signal, a microphone for collecting cockpit voice feedback, and a sound amplification unit for amplifying the audio analog signal collected by the microphone. The memory is connected to the industrial control motherboard, the digital signal terminal of the sound card is connected to the industrial control motherboard, one analog signal terminal of the sound card is connected to the input terminal of the power amplifier, the other analog signal terminal of the sound card is connected to the output terminal of the sound amplification unit, the speaker is connected to the output terminal of the power amplifier, and the microphone is connected to the input terminal of the sound amplification unit.

2. The portable intelligent cockpit voice interaction testing device according to claim 1, characterized in that, It also includes a power supply for converting the input 220V AC power into 24V DC power. The input terminal of the power supply is connected to an external AC power source, and the output terminal of the power supply is connected to the power supply terminal of the industrial control motherboard. The output terminal of the power supply is also connected to the power supply terminal of the power amplifier.

3. The portable intelligent cockpit voice interaction testing device according to claim 1, characterized in that, The power supply terminal of the sound amplification unit is connected to the USB interface of the industrial control motherboard via a USB cable, and is powered through the USB interface.

4. The portable intelligent cockpit voice interaction testing device according to claim 1, characterized in that, The industrial control motherboard is equipped with a push-button switch for controlling the power supply status and an indicator light for indicating the power supply status. Both the push-button switch and the indicator light are connected to the industrial control motherboard.

5. The portable intelligent cockpit voice interaction testing device according to claim 1, characterized in that, The system includes an integrated enclosure, inside which a bracket is provided, and the industrial control motherboard, the memory, the power amplifier, and the sound amplification unit are all mounted on the bracket.

6. The portable intelligent cockpit voice interaction testing device according to claim 5, characterized in that, The integrated enclosure is equipped with a heat dissipation module for dissipating heat from the interior of the integrated enclosure, and the control terminal of the heat dissipation module is connected to the industrial control motherboard.

7. The portable intelligent cockpit voice interaction testing device according to claim 5, characterized in that, The integrated enclosure is provided with multiple interfaces. The output of the power amplifier is connected to a speaker located outside the integrated enclosure through the interface, and the input of the sound amplification unit is connected to a pickup located outside the integrated enclosure through the interface.

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