A vehicle-mounted horn device with a shockproof structure

Abstract

The present invention is applicable to the technical field of speaker devices, and provides a vehicle-mounted speaker device with a shockproof structure, comprising a mounting seat and a first speaker unit, and also comprising a fixed box with an opening at the upper end and a sliding box that can slide along the height direction of the fixed box, the fixed box is fixedly connected to the mounting seat, the sliding box comprises an outer circumferential wall and an inner circumferential wall, a sandwich space is provided between the outer circumferential wall and the inner circumferential wall, the inner circumferential wall is slidably inserted into the fixed box, the mounting seat is provided with an electric component for driving the sliding box to slide, and the outer circumferential wall is provided with a first speaker mounting hole; the fixed box is fixedly connected to the mounting seat, a permanent magnet ring is provided on the outer side of the inner circumferential wall, and an excitation coil is provided on the side of the mounting seat facing the permanent magnet ring; a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention has good shockproof effect and good user experience.

Description

Technical Field

[0001] The invention belongs to the technical field of speaker devices, and in particular relates to a vehicle-mounted speaker device with a shockproof structure. Background Art

[0002] Current speaker devices, such as vehicle-mounted speaker devices, generally adopt a fixed structure. Although this fixed structure in the prior art has a good shockproof effect, the speaker unit can only be fixed in position, the size of the inner cavity of the box is limited, and the user experience is poor. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art and to provide a vehicle-mounted speaker device with a shockproof structure, which has a good shockproof effect, and the position and inner cavity size of the speaker unit can be adjusted, which is beneficial to improving user experience.

[0004] The technical solution of the present invention is: a vehicle-mounted speaker device with a shockproof structure, comprising a mounting seat and a first speaker unit, and also comprising a fixed box with an opening at the upper end and a sliding box that can slide along the height direction of the fixed box, the fixed box is fixedly connected to the mounting seat, the sliding box comprises an outer peripheral wall and an inner peripheral wall, a sandwich space is provided between the outer peripheral wall and the inner peripheral wall, the inner peripheral wall is slidably inserted into the fixed box, the side surface or / and the top surface of the outer peripheral wall is provided with a first speaker mounting hole, and the first speaker unit is fixed to the first speaker mounting hole;

[0005] The fixing box is fixedly connected to the mounting seat, a permanent magnetic ring is arranged on the outer side of the inner peripheral wall, and an excitation coil is arranged on the side of the mounting seat facing the permanent magnetic ring;

[0006] The mounting seat is provided with an electric component for driving the sliding box to slide;

[0007] The electric component and the excitation coil are both connected to a control module.

[0008] Specifically, the electric component includes a servo motor and a transmission screw, wherein the transmission screw is connected to the motor shaft of the servo motor, and the transmission screw is threadedly connected to a metal nut embedded in the sliding box.

[0009] Specifically, the mounting seat is provided with a longitudinal guide column, the outer side of the outer peripheral wall is integrally provided with a lug, and the lug has a guide hole that is slidably sleeved on the guide column; and a limiting structure is provided at the upper end of the guide column.

[0010] Specifically, the first speaker unit is connected to the control module, or the control module is connected to a volume sensor or a vibration sensor.

[0011] Specifically, a plurality of annular grooves are arranged on the outer circumference of the fixed box, each of the annular grooves is arranged at an upper and lower interval, and an annular rubber ring is arranged on the annular groove, and the annular rubber ring protrudes from the annular groove and is connected to the inner circumference of the sliding box.

[0012] Specifically, a first damping plate is arranged on the inner side of the sliding box, and a second damping plate is arranged on the inner side of the fixed box.

[0013] Specifically, a second speaker installation hole is arranged on the front side of the sliding box, and a second speaker unit is arranged at the second speaker installation hole.

[0014] Specifically, the second speaker unit is a tweeter unit, and the first speaker unit is a full-range speaker unit.

[0015] Specifically, the outer peripheral wall is provided with an inverted hole, and an inverted tube is provided in the inverted hole.

[0016] Specifically, speaker mounting holes are arranged on opposite sides of the outer peripheral wall.

[0017] An embodiment of the present invention provides a vehicle-mounted speaker device with a shockproof structure, wherein a mounting seat and a fixed box can be set in a groove of a vehicle panel, and a sliding box can be raised and lowered to extend out or sink into the groove, so that a first speaker unit can be exposed or retracted into the groove. The fixed box is fixedly connected to the mounting seat, a permanent magnetic ring is arranged on the outer side of the sliding box, and an excitation coil is arranged on the side of the mounting seat facing the permanent magnetic ring; that is, the front of the excitation coil faces the bottom of the permanent magnetic ring, and when a positive current is passed through the excitation coil, a first magnetic field is generated, so that the permanent magnetic ring generates an upward force and remains taut, thereby preventing the sliding box from vibrating relative to the fixed box and affecting the sound effect. The position and inner cavity size of the speaker unit can be adjusted, which is beneficial to improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a three-dimensional schematic diagram of a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention;

[0020] Figure 2 is a three-dimensional schematic diagram of a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention;

[0021] Figure 3is a plan view of a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention;

[0022] Figure 4 is a cross-sectional schematic diagram of a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention;

[0023] Figure 5 is a cross-sectional schematic diagram of a sliding box and a first speaker unit in a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention;

[0024] Figure 6 It is an exploded schematic diagram of a vehicle-mounted speaker device with a shockproof structure provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0027] It should also be noted that the directional terms such as left, right, up, and down in the embodiments of the present invention are merely relative concepts or are based on the normal use status of the product and should not be considered as restrictive.

[0028] like Figures 1 to 6As shown, an embodiment of the present invention provides a vehicle-mounted speaker device with a shockproof structure, comprising a mounting seat 90 and a first speaker unit 31, and also comprising a fixed box 10 with an opening at the upper end and a sliding box 20 that can slide along the height direction of the fixed box 10, the bottom of the fixed box 10 is fixedly connected to or integrally formed with the mounting seat 90, the sliding box 20 comprises an outer peripheral wall 21 and an inner peripheral wall 22, there is an interlayer space between the outer peripheral wall 21 and the inner peripheral wall 22, and the bottom of the inner peripheral wall 22 protrudes from the bottom of the outer peripheral wall 21. The inner peripheral wall 22 is slidably plugged into the fixed box 10, the side surface or / and the top surface of the outer peripheral wall 21 are provided with a first speaker mounting hole, and the first speaker unit 31 is fixed to the first speaker mounting hole; the mounting seat 90 and the fixed box 10 can be set in a sink groove of a vehicle panel, the sliding box 20 can be lifted and extended or sunk into the sink groove, so that the first speaker unit 31 can be exposed or retracted into the sink groove, and the position of the first speaker unit 31 and the size of the inner cavity of the box can be adjusted to meet the hearing requirements. The fixed box 10 is fixedly connected to the mounting base 90, and a permanent magnet ring 41 is arranged on the outer side of the inner peripheral wall 22. An excitation coil 42 is arranged on the side of the mounting base 90 facing the permanent magnet ring 41; that is, the front side of the excitation coil 42 faces the bottom side of the permanent magnet ring 41. When a positive current is passed through the excitation coil 42, a first magnetic field is generated, so that the permanent magnet ring 41 generates an upward force and remains tensioned, thereby preventing the sliding box 20 from vibrating relative to the fixed box 10 and affecting the sound effect, so as to improve the user experience. The position and inner cavity size of the speaker unit can be adjusted, which is conducive to improving the user experience.

[0029] In a specific application, the excitation coil 42 is connected to a control module, and the control module can adjust the output current and / or voltage. The control module can control the voltage and current of the excitation coil 42 according to a periodic rule to avoid resonance.

[0030] The mounting seat 90 may be provided with an electric component for driving the sliding box 20 to slide (lift and lower), and the electric component and the excitation coil 42 (electromagnet) are both connected to the control module, so that the first speaker unit 31 of the sliding box 20 can be lifted from the sinking groove of the vehicle panel, and the sound cavity formed between the fixed box 10 and the sliding box 20 can be larger, and the hearing effect is better. The sliding box 20 can be sunk into the sinking groove without affecting the user, and the surface of the instrument panel can be regular, and the user experience is good.

[0031] Specifically, the electric component includes a servo motor and a transmission screw. The sliding box 20 is embedded with a metal nut. The transmission screw is connected to the motor shaft of the servo motor, and the transmission screw is threadedly connected and passes through the metal nut. Of course, the metal nut can also be a plastic nut.

[0032] Alternatively, the electric component may also adopt a multi-link lifting mechanism (multi-link platform lifting mechanism), which may include an X-shaped link unit and be driven by a linear motor, with a compact structure and a small longitudinal height space requirement.

[0033] Specifically, the mounting seat 90 may be provided with a longitudinal guide column, the outer side of the outer peripheral wall 21 may be provided with a lug, and the lug may have a guide hole that is slidably sleeved on the guide column; a limiting structure is provided at the upper end of the guide column, and the limiting structure may be a limiting nut. A rubber sleeve or a bellows may be provided below the limiting nut. The inner peripheral wall 22 may be cylindrical or rectangular, etc. The outer peripheral wall 21 may be rectangular.

[0034] Specifically, the first speaker unit 31 is connected to the control module, or the control module is connected to a volume sensor or a vibration sensor, and the control module can control the current and / or voltage of the excitation coil 42 according to the volume or vibration.

[0035] Specifically, the outer circumference of the fixed box 10 may be provided with a plurality of annular grooves, each of which is arranged at an upper and lower interval, and the annular groove is provided with an annular rubber ring, which protrudes from the annular groove and is connected to the inner circumference of the sliding box 20 .

[0036] Specifically, a metal mesh layer may be provided on the inner side of the sliding box 20 to provide a good electromagnetic shielding effect. The metal mesh layer may be connected to the inner side of the sliding box 20 via an adhesive layer.

[0037] Specifically, a first damping plate is disposed on the inner side of the sliding box 20 , and a second damping plate is disposed on the inner side of the fixed box 10 to prevent resonance.

[0038] Specifically, the front of the sliding box 20 may be provided with a second speaker installation hole, and the second speaker installation hole is provided with a second speaker unit. Specifically, the second speaker unit is a tweeter unit or a full-range speaker unit, and the first speaker unit 31 is a full-range speaker unit.

[0039] Specifically, the outer peripheral wall 21 may be provided with an inverted hole, and an inverted tube is provided in the inverted hole, which is beneficial to improving the sound effect.

[0040] Specifically, speaker mounting holes may be provided on opposite sides of the outer peripheral wall 21 to increase the number of speaker units. Speaker units may be provided on opposite sides of the outer peripheral wall 21 to improve the breadth of the sound effect and create a surround sound field.

[0041] Specifically, the edge of the sink can be optionally provided with an annular light bar, which can be embedded in the edge of the sink, that is, the annular light bar is arranged around the outside of the fixed box 10 and the sliding box 20. When the control module raises the sliding box 20, the control module can make the annular light bar flash at a set frequency to prompt the user, which provides a good user experience. The control module can be optionally connected to a voice control module and / or a gesture recognition module, and the user can control the electric components through voice or gestures, which provides a good user experience. The control module can control the brightness and / or color of the annular light bar according to the volume, and can also control the lighting effect of the annular light bar according to the volume rhythm. The annular light bar can include multiple groups or multiple LED chips that can independently control color and brightness.

[0042] In specific applications, when the sliding box 20 is lowered and retracted, the excitation coil 42 (the electromagnet can apply a reverse current) can be selected to accelerate the sliding box 20 to descend or be attracted to the fixed box 10. An electromagnetic lock can also be provided on one side of the fixed box 10, and the electromagnetic lock is provided with a telescopic electric lock rod. The side of the sliding box 20 can be provided with a plurality of lock holes, and the electric lock rod can be extended into the sliding hole to fix the sliding box 20. The front end of the electric lock rod can be provided with a conical plastic sleeve to prevent abnormal noise. A damping plate can be provided on the inner side of the sliding box 20, which can also help suppress abnormal noise. The fixed box 10 and the inner peripheral wall 22 can be provided with a plurality of sound holes.

[0043] In specific applications, a cable may be used to connect the speaker unit on the sliding box 20. Alternatively, a plurality of longitudinal conductive strips may be provided on the side of the fixed box 10, and a plurality of corresponding elastic metal sheets may be provided on the inner peripheral wall 22. The elastic metal sheets may elastically abut against the conductive strips. When the sliding box 20 slides up and down, the elastic metal sheets may remain in contact with the conductive strips, and the conductive effect is good.

[0044] The embodiment of the present invention provides a vehicle-mounted speaker device with a shockproof structure, wherein the mounting seat 90 and the fixed box 10 can be set in a groove of a vehicle panel, and the sliding box 20 can be raised and lowered to extend out or sink into the groove, so that the first speaker unit 31 can be exposed or retracted into the groove. The fixed box 10 is fixedly connected to the mounting seat 90, and a permanent magnet ring 41 is arranged on the outer side of the sliding box 20. An excitation coil 42 is arranged on the side of the mounting seat 90 facing the permanent magnet ring 41; that is, the front side of the excitation coil 42 faces the bottom side of the permanent magnet ring 41. When a positive current is passed through the excitation coil 42, a first magnetic field is generated, so that the permanent magnet ring 41 generates an upward force and remains taut, thereby preventing the sliding box 20 from vibrating relative to the fixed box 10 and affecting the sound effect, so as to improve the user experience.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle-mounted speaker device with a shockproof structure, characterized in that: The invention comprises a mounting seat and a first speaker unit, and also comprises a fixed box with an opening at the upper end and a sliding box that can slide along the height direction of the fixed box, wherein the sliding box comprises an outer peripheral wall and an inner peripheral wall, wherein an interlayer space is provided between the outer peripheral wall and the inner peripheral wall, wherein the inner peripheral wall is slidably inserted into the fixed box, wherein a first speaker mounting hole is provided on the side surface or / and the top surface of the outer peripheral wall, and the first speaker unit is fixed to the first speaker mounting hole; The fixing box is fixedly connected to the mounting seat, a permanent magnetic ring is arranged on the outer side of the inner peripheral wall, and an excitation coil is arranged on the side of the mounting seat facing the permanent magnetic ring; The mounting seat is provided with an electric component for driving the sliding box to slide; The electric component and the excitation coil are both connected to a control module.

2. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 1, characterized in that: The electric component comprises a servo motor and a transmission screw, wherein the transmission screw is connected to the motor shaft of the servo motor, and the transmission screw is threadedly connected to a metal nut embedded in the sliding box.

3. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 1, characterized in that: The mounting seat is provided with a longitudinal guide column, and a lug is integrally provided on the outer side of the outer peripheral wall. The lug has a guide hole that is slidably sleeved on the guide column; a limiting structure is provided on the upper end of the guide column.

4. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 3, characterized in that: The first speaker unit is connected to the control module, or the control module is connected to a volume sensor or a vibration sensor.

5. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 1, characterized in that: A first damping plate is arranged on the inner side of the sliding box, and a second damping plate is arranged on the inner side of the fixed box.

6. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 1, characterized in that: A second speaker installation hole is arranged on the front side of the sliding box, and a second speaker unit is arranged at the second speaker installation hole.

7. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 6, characterized in that: The second speaker unit is a tweeter unit, and the first speaker unit is a full-range speaker unit.

8. The vehicle-mounted speaker device with a shockproof structure as claimed in claim 1, characterized in that: Speaker mounting holes are arranged on opposite sides of the outer peripheral wall.

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