Vehicle-mounted display

Abstract

The utility model provides a vehicle-mounted display which comprises a base, a turnover display screen is arranged on the base, a sound cavity is arranged on the base, and a same-frequency resonant cavity is arranged in the sound cavity. A reflection guide plate is arranged on one side of the sound box cavity; a loudspeaker is arranged in the sound box cavity, a front sound outlet hole and a reflection sound outlet hole are formed in the base, the front face of the loudspeaker faces the front sound outlet hole, and the reflection guide plate is located on the back face of the loudspeaker. When the loudspeaker works, part of sound waves are output outwards through the front sound outlet hole, and part of sound waves are output outwards through the reflection sound outlet hole after being reflected by the reflection guide plate. According to the utility model, through reflection and superposition of sound waves, a stronger stereo sound effect can be provided for a user, the low-frequency expressive force of sound is improved, and the requirements of young users with higher sound effect requirements are effectively met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle-mounted electronic products, especially relates to a vehicle-mounted display. BACKGROUND

[0002] With the improvement of life quality, vehicle-mounted displays have been more and more widely applied to some family cars or business cars, and the vehicle-mounted display can provide passengers with video watching and improve the fun of passengers in the process of riding a car.

[0003] The existing vehicle-mounted display usually comprises a base and a display screen arranged on the base, the base is usually installed on the top of the car, and the display screen can be flipped under the drive of the motor, and when it is needed to use, the display screen is flipped downward to the open state, so that the passengers in the car can watch at this time; after use, the display screen can be flipped upward and attached to the base to make the display screen reach the storage state, so that the occupation of the space in the car can be reduced. At the same time, in order to cooperate with the playing of the video, a loudspeaker is installed on the existing vehicle-mounted display, and the loudspeaker can output sound outward when playing the video.

[0004] However, some users (especially some young users) have higher requirements for sound quality, and often require the vehicle-mounted display to have better low-frequency performance and stronger stereo sound effect, and the existing vehicle-mounted display has the problems of poor sound effect, weak stereo feeling and unsatisfactory low-frequency performance, so it is difficult to meet the needs of some young users who have high requirements on sound effect. SUMMARY

[0005] The utility model aims at solving the insufficient in prior art, provide a kind of vehicle-mounted display.

[0006] The utility model aims at solving the insufficient in prior art, provide a kind of vehicle-mounted display.

[0007] As preferred, the base is provided with a surrounding shell, and the surrounding shell is connected with the reflection guide plate on one side, and the surrounding shell, the reflection guide plate and the base jointly enclose the sound cavity.

[0008] As preferred, the sound cavity is provided with a rib plate, and the rib plate separates the sound cavity into the same frequency resonance cavity.

[0009] Preferably, the base is provided with a display screen recess, and the front sound outlet hole is located on the bottom surface of the display screen recess; when the display screen is in the storage state, the display screen is located in the display screen recess and covers the front sound outlet hole.

[0010] Preferably, the reflection guide plate is paved with high-pitched sound absorbing material.

[0011] Preferably, the reflection guide plate and the base are connected through screws.

[0012] The utility model discloses a beneficial effect is: the utility model discloses through the reflection and superposition of sound wave, can provide stronger stereo sound effect for the user, and improve the low frequency performance of sound, effectively satisfy some of the demand of the young user of higher sound effect requirement. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the front view schematic diagram of the utility model.

[0014] Fig. 2 It is the back structure schematic diagram of the utility model.

[0015] Fig. 3 It is the structure schematic diagram of the utility model after removing the reflection guide plate.

[0016] Fig. 4 It is the structure schematic diagram of the base.

[0017] In the drawing: 1, base, 2, display screen, 3, reflection guide plate, 4, loudspeaker, 5, surrounding shell, 6, rib plate, 7, reflection sound outlet hole, 8, same frequency resonance cavity, 9, display screen recess, 10, front sound outlet hole. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of protection of the utility model.

[0019] As Figs. 1 to 4 Shown, a kind of vehicle-mounted display, including base 1, base 1 is provided with the display screen 2 of flip, base 1 is equipped with acoustic cavity, acoustic cavity is provided with reflection guide plate 3 in one side;Acoustic cavity is provided with loudspeaker 4, base 1 is equipped with front sound outlet hole 10 and reflection sound outlet hole 7, the front of loudspeaker 4 is towards front sound outlet hole 10, reflection guide plate 3 is located at the back of loudspeaker 4;Loudspeaker 4 when working, part of sound wave is outputted outward by front sound outlet hole 10, part of sound wave is outputted outward by reflection sound outlet hole 7 after the reflection of reflection guide plate 3.

[0020] In the utility model, a part of the sound waves emitted by the loudspeaker 4 is directly output by the front sound hole 10 in the front of the loudspeaker 4, and the sound wave is a front sound wave; and a part of the sound waves is output outward by the reflection sound hole 7 after being reflected by the reflection guide plate 3, and the sound wave is a reflected sound wave; the reflected sound wave is superimposed with the front sound wave, and the volume is enhanced. Due to the reflection of the reflected sound wave by the reflection guide plate 3, there is a certain delay compared with the front sound wave; since the brain can determine the position of the sound source according to the time difference of the sound wave reaching the ear, the time difference between the front sound wave and the reflected sound wave can make the brain produce a sense of space, so that the effect of stereo sound can be enhanced, and a wider and deeper auditory experience can be brought to the user. For the low-frequency part of the sound, due to the longer wavelength, the delay between the sound waves can make these low-frequency parts better integrated, thereby improving the overall low-frequency performance, so that the sound sounds more full and powerful.

[0021] Therefore, the utility model can provide stronger stereo sound effect for the user, improve the low-frequency performance of the sound, and effectively meet the needs of some young users who have high requirements for sound effect.

[0022] The base 1 is provided with an enclosure 5, one side of the enclosure 5 is connected with the reflection guide plate 3, and the enclosure 5, the reflection guide plate 3 and the base 1 jointly enclose the sound cavity. The enclosure 5 and the base 1 are integrally formed.

[0023] The sound cavity is provided with a same-frequency resonance cavity 8. The sound cavity is provided with a rib plate 6, and the same-frequency resonance cavity 8 is separated in the sound cavity by the rib plate 6. The same-frequency resonance cavity 8 has a specific resonance frequency, and the sound wave with the same resonance frequency can resonate in the same-frequency resonance cavity 8, thereby amplifying the sound wave of the frequency. The resonance frequency is related to the shape and material of the same-frequency resonance cavity 8, and in actual design, the resonance frequency of the same-frequency resonance cavity 8 can be adjusted by adjusting the shape and material of the same-frequency resonance cavity 8. In the embodiment, the rib plate 6 has an S-shaped structure, and the rib plate 6 has a certain reflection and guide effect on the sound wave.

[0024] The base 1 is provided with a display screen recess 9, and the front sound hole 10 is located on the bottom surface of the display screen recess 9; when the display screen 2 is in the storage state, the display screen 2 is located in the display screen recess 9 and covers the front sound hole 10. In the utility model, the front sound hole 10 is arranged at the bottom of the display screen recess 9, so that when the display screen 2 is in the storage state, the display screen 2 covers the front sound hole 10, and at this time, the display screen 2 can play the role of a "dust cover", which can effectively prevent external dust from entering the inside of the base 1 through the front sound hole 10.

[0025] Further, the reflection guide plate 3 is paved with high-pitched sound absorbing material.

[0026] In the embodiment, the reflection guide plate 3 is connected with the base 1 through screws.

[0027] The utility model is not limited to the above best embodiment, and anyone can draw other various forms of products under the enlightenment of the utility model, but no matter any change in shape or structure, any technical scheme with the same or similar to the application falls within the protection scope of the utility model.

Claims

1. A vehicle display, characterized by, The base is provided with a reversible display screen, the base is provided with an acoustic cavity, the acoustic cavity is provided with a same-frequency resonance cavity, one side of the acoustic cavity is provided with a reflection guide plate, the acoustic cavity is provided with a loudspeaker, the base is provided with a front sound outlet and a reflection sound outlet, the front surface of the loudspeaker faces the front sound outlet, and the reflection guide plate is located on the back surface of the loudspeaker.

2. The vehicle display of claim 1, wherein, The base is provided with a surrounding shell, one side of the surrounding shell is connected with a reflection guide plate, and the surrounding shell, the reflection guide plate and the base jointly enclose the acoustic cavity.

3. The vehicle display of claim 1, wherein, The acoustic cavity is provided with a rib plate, and the same-frequency resonance cavity is separated in the acoustic cavity through the rib plate.

4. The display of claim 1, wherein, The base is provided with a display screen groove, and the front sound outlet is located on the bottom surface of the display screen groove; when the display screen is in the storage state, the display screen is located in the display screen groove and covers the front sound outlet.

5. The display of claim 1, wherein, The reflection guide plate is paved with a high-pitched sound-absorbing material.

6. The display of claim 1, wherein, The reflection guide plate and the base are connected through a screw.

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