WO2022067902A1 - 机动车、扶手箱及车载低音模组 - Google Patents

机动车、扶手箱及车载低音模组 Download PDF

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Publication number
WO2022067902A1
WO2022067902A1 PCT/CN2020/122201 CN2020122201W WO2022067902A1 WO 2022067902 A1 WO2022067902 A1 WO 2022067902A1 CN 2020122201 W CN2020122201 W CN 2020122201W WO 2022067902 A1 WO2022067902 A1 WO 2022067902A1
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WO
WIPO (PCT)
Prior art keywords
sound
vehicle
generating unit
seat
module
Prior art date
Application number
PCT/CN2020/122201
Other languages
English (en)
French (fr)
Inventor
孙舒远
黄兴志
尹昊
黄翔
许欣
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022067902A1 publication Critical patent/WO2022067902A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R7/00—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
    • B60R7/04—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps in driver or passenger space, e.g. using racks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only

Definitions

  • the invention relates to the technical field of motor vehicles, in particular to a motor vehicle, an armrest box and a vehicle bass module.
  • Motor vehicles including cars, buses, buses, trucks, tractors, trains and subways, etc.
  • driving experience has become an indispensable part of motor vehicles.
  • sound plays an important role in the improvement of user experience. appear particularly important.
  • the motor vehicle is explained by taking the car as an example.
  • the design scheme of the car bass is generally to install four woofers on the four doors of the car, or install a subwoofer inside the trunk of the car.
  • a vehicle-mounted bass module for a motor vehicle with a main driver's seat and a passenger's seat, the vehicle-mounted low-frequency module is fixed between the main driver's seat and the passenger's seat, and the The vehicle-mounted bass module includes: a first speaker module that emits sound toward the main driver's seat, and a second speaker module that is opposite to the first speaker module and emits sound toward the passenger seat; the first speaker module
  • the speaker module includes a first housing with a first housing space and a first sound-emitting unit accommodated in the first housing, and the first sound-emitting unit divides the first housing space to be close to the main driver's seat a first front cavity on one side, and a first coupling rear cavity located on the side of the first sound-producing unit away from the main driver's seat;
  • the second speaker module includes a second housing with a second accommodating space and a second sounding unit accommodated in the second housing, the second sounding unit divides the second receiving space into a second front cavity close to
  • the first speaker module emits sound toward the main driver's seat
  • the second speaker module emits sound toward the passenger seat
  • the vehicle-mounted bass module can be realized from the middle part of the motor vehicle to the left and right sides of the motor vehicle respectively.
  • Radiated sound the vibration directions of the radiated sound in the two directions are opposite, covering the left half of the sound field area and the right half of the sound field area of the vehicle respectively. In this way, the uniformity of the low-frequency sound field distribution of the whole vehicle can be increased.
  • only two first speaker modules and two second speaker modules are needed, and there is no need to dispose woofers on all four doors of the vehicle body as in the conventional technology, which makes the device structure simpler and lower in cost.
  • the first shell includes a first bottom plate abutting against the second shell, a first bottom plate bent and extended from an edge of the first bottom plate toward the first sounding unit.
  • a side wall and a first accommodating wall extending from the first side wall and surrounding the outer periphery of the first sounding unit; the first side wall and the first bottom plate enclose the first coupling
  • the rear cavity, the first accommodating wall encloses the first front cavity, the end of the first accommodating wall away from the first side wall forms a first sound outlet, and the first sound-emitting unit is close to the rear cavity.
  • One side of the first sound outlet has a first diaphragm;
  • the second shell includes a second bottom plate abutting with the first shell, and the edge of the second bottom plate is close to the second sound.
  • a second side wall that is bent and extended from the monomer, and a second accommodating wall that extends from the second side wall and is arranged around the outer periphery of the second sounding unit; the second side wall and the second bottom plate
  • the second coupling rear cavity is enclosed, the second accommodating wall encloses the second front cavity, the end of the second accommodating wall away from the second side wall forms a second sound outlet, the The side of the second sound-generating unit close to the second sound outlet has a second diaphragm.
  • the orthographic projection of the first accommodating wall toward the first bottom plate along the vibration direction of the first diaphragm is at least partially located outside the first bottom plate; the second accommodating wall is located along the The orthographic projection of the vibration direction of the second diaphragm toward the second bottom plate is at least partially located outside the second bottom plate.
  • the vehicle-mounted bass module has an axis of symmetry between the first housing and the second housing, and the first speaker module and the second speaker module are about The symmetry axis is axially symmetrical.
  • the thickness of the first sound-generating unit and the second sound-generating unit along the vibration direction is d, and the thickness d is less than 35 mm.
  • the first speaker module further includes a first dust-proof mesh cover covering the first sound outlet and spaced from the first diaphragm, the first dust-proof mesh cover A first sound-transmitting hole is formed therethrough;
  • the second speaker module also includes a second dust-proof mesh cover that covers the second sound-outlet and is spaced from the second diaphragm. A second sound-transmitting hole is formed through the grille.
  • the first speaker module further includes a first bracket, the first bracket is annularly sleeved on the outer periphery of the first sound-generating unit and suspends the first sound-generating unit is supported in the first accommodating space, and the first bracket is sandwiched between the first sound-emitting unit and the first accommodating wall;
  • the second speaker module further includes a second bracket, the The second bracket is annularly sleeved on the outer periphery of the second sound-generating unit, and the second sound-generating unit is suspended and supported in the second receiving space, and the second bracket is sandwiched between the second sound-generating unit between the sounding unit and the second accommodating wall.
  • the vehicle-mounted bass module is fixed in an armrest box between the main driver's seat and the passenger's seat.
  • An armrest box is used to be arranged between a main driver's seat and a passenger seat in a motor vehicle, and the armrest box includes the vehicle-mounted bass module.
  • the first speaker module emits sound toward the main driver's seat
  • the second speaker module emits sound toward the passenger seat
  • the vehicle-mounted bass module can radiate sound from the middle part of the motor vehicle to the left and right sides of the motor vehicle respectively.
  • the vibration directions of the radiated sound in the two directions are opposite, respectively covering the sound field area of the left half of the vehicle and the sound field area of the right half. In this way, the uniformity of the low-frequency sound field distribution of the whole vehicle can be increased.
  • only two first speaker modules and two second speaker modules are needed, and there is no need to dispose woofers on all four doors of the vehicle body as in the conventional technology, which makes the device structure simpler and lower in cost.
  • the vehicle-mounted bass module is arranged at the bottom of the armrest box and close to the side of the rear of the motor vehicle; the armrest box is provided with a storage box, and the storage box is arranged in the The first front cavity and the second front cavity are stacked on one side of the first back-coupling cavity and the second back-coupling cavity.
  • a motor vehicle includes the armrest box.
  • the first speaker module emits sound toward the main driver's seat
  • the second speaker module emits sound toward the passenger seat
  • the vehicle-mounted bass module can radiate sound from the middle part of the motor vehicle to the left and right sides of the motor vehicle respectively.
  • the vibration directions of the radiated sound in the two directions are opposite, respectively covering the sound field area of the left half of the vehicle and the sound field area of the right half. In this way, the uniformity of the low-frequency sound field distribution of the whole vehicle can be increased.
  • only two first speaker modules and two second speaker modules are needed, and there is no need to dispose woofers on all four doors of the vehicle body as in the conventional technology, which makes the device structure simpler and lower in cost.
  • FIG. 1 is a schematic structural diagram of a vehicle-mounted bass module according to an embodiment of the present invention.
  • Fig. 2 is a sectional view of the vehicle-mounted bass module shown in Fig. 1 along the line A-A;
  • FIG. 3 is a schematic diagram of an exploded structure of a vehicle-mounted bass module according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of one of the perspectives of the armrest box according to an embodiment of the present invention.
  • Fig. 5 is another perspective structural schematic diagram of the armrest box shown in Fig. 4;
  • FIG. 6 is a cross-sectional view of the armrest box shown in FIG. 5 along line B-B;
  • FIG. 7 is a schematic top-view structural diagram of a motor vehicle according to an embodiment of the present invention.
  • vehicle bass module 110, first speaker module; 111, first housing; 111', first accommodation space; 1111, first bottom plate; 1112, first side wall; 1113, first accommodation wall; 112, the first sounding unit; 1121, the first diaphragm; 1122, the first outer edge; 113, the first front cavity; 114, the first coupling rear cavity; 115, the first sound outlet; 1151, the first step ; 116, the first dustproof net cover; 1161, the first sound hole; 117, the first bracket; 1171, the first flange; 120, the second speaker module; 121, the second shell; 2.
  • accommodating space 1211, the second bottom plate; 1212, the second side wall; 1213, the second accommodating wall; 122, the second sounding unit; 1221, the second diaphragm; 123, the second front cavity; 124, the second Coupling rear cavity; 125, second sound outlet; 126, second dust net cover; 1261, second sound hole; 127, second bracket; 200, motor vehicle; 210, main driver's seat; 220, co-pilot seat; 230, armrest box; 231, storage box.
  • FIG. 1 is a schematic structural diagram of a vehicle-mounted bass module 100 according to an embodiment of the present invention
  • FIG. 7 is a top-view structural schematic diagram of a motor vehicle 200 according to an embodiment of the present invention.
  • An embodiment of the present invention provides an in-vehicle bass module 100 for a motor vehicle 200 having a main driver's seat 210 and a passenger's seat 220 .
  • the in-vehicle bass module 100 is fixed on the main driver's seat 210 and the Between the passenger seat 220.
  • car subwoofers refer to speakers with a frequency range of 20-100Hz.
  • FIG. 2 is a schematic diagram of a perspective structure of FIG. 1 cut at A-A.
  • the in-vehicle bass module 100 includes a first speaker module 110 that emits sound toward the main driver's seat 210 , and a second speaker module that is opposite to the first speaker module 110 and emits sound toward the passenger seat 220 .
  • the first speaker module 110 includes a first housing 111 having a first accommodation space 111' and a first sound-emitting unit 112 accommodated in the first housing 111 .
  • the first sounding unit 112 divides the first receiving space 111 ′ into a first front cavity 113 on the side close to the main driver’s seat 210 , and a first front cavity 113 located on the side of the first sounding unit 112 away from the main driver’s seat 210 .
  • the first post-coupling cavity 114 on one side.
  • the second speaker module 120 includes a second housing 121 having a second accommodating space 121 ′ and a second sounding unit 122 accommodated in the second housing 121 .
  • the second sounding unit 122 divides the second receiving space 121 ′ into a second front cavity 123 close to the passenger seat 220 , and a second front cavity 123 located on the side of the second sounding unit 122 away from the passenger seat.
  • Two post-coupling cavity 124 The first housing 111 and the second housing 121 are in contact with each other, and the first back-coupling cavity 114 and the second back-coupling cavity 124 are located between the first sound-generating unit 112 and the second back-coupling cavity 124 . between the sounding units 122 .
  • the first speaker module 110 emits sound toward the driver's seat 210
  • the second speaker module 120 emits sound toward the passenger's seat 220, so that the vehicle-mounted bass module 100 can be separated from the central part of the motor vehicle 200.
  • the sound is radiated to the left and right sides of the vehicle 200, and the vibration directions of the radiated sound in the two directions are opposite, respectively covering the sound field area of the left half of the vehicle and the sound field area of the right half. In this way, the uniformity of the low-frequency sound field distribution of the whole vehicle can be increased.
  • only two first speaker modules 110 and two second speaker modules 120 are needed, and there is no need to dispose woofers on all four doors of the vehicle body as in the conventional technology, so that the device structure is simpler and the cost is lower.
  • the low-frequency sound field distribution of the motor vehicle 200 (such as a car) using this solution under normal listening conditions: the sound pressure level at the front seat is 87dB, the sound pressure level at the rear seat is 86dB, and the sound pressure between the two is 87dB.
  • the pressure level difference is about 1dB.
  • the woofer is placed in the trunk of the car. Under the same conditions, the sound pressure level at the front seat is 76dB, and the sound pressure level at the rear seat is 86dB. The sound pressure level difference between the two is 76dB. about 10dB.
  • the first casing 111 includes a first bottom plate 1111 abutting against the second casing 121 .
  • the first side wall 1112 and the first bottom plate 1111 enclose the first coupling rear cavity 114
  • the first accommodating wall 1113 encloses the first front cavity 113
  • the first accommodating wall 1113 is far away from
  • One end of the first side wall 1112 surrounds a first sound outlet 115
  • a side of the first sound generating unit 112 close to the first sound outlet 115 has a first diaphragm 1121 .
  • the second shell 121 includes a second bottom plate 1211 abutting against the first shell 111 , and a second bottom plate 1211 bent and extended from the edge of the second bottom plate 1211 toward the second sounding unit 122 .
  • the second side wall 1212 and the second accommodating wall 1213 extending from the second side wall 1212 and surrounding the outer periphery of the second sounding unit 122 .
  • the second side wall 1212 and the second bottom plate 1211 enclose the second coupling rear cavity 124
  • the second accommodating wall 1213 encloses the second front cavity 123
  • the second accommodating wall 1213 is far away from
  • One end of the second side wall 1212 encloses a second sound outlet 125
  • a side of the second sound generating unit 122 close to the second sound outlet 125 has a second diaphragm 1221 .
  • the first casing 111 and the second casing 121 are placed on top of each other and are in hard contact with each other, which reduces unnecessary vehicle vibrations caused by the operation of the vehicle-mounted bass module 100 and can improve user experience.
  • the bottom plates of the first casing 111 and the second casing 121 are in hard contact with each other without any gap, and the vibration directions of the first casing 111 and the second casing 121 are opposite to each other and can completely cancel each other.
  • FIG. 5 is a schematic structural diagram of the armrest box 230 from another perspective according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of FIG. 5 cut at B-B.
  • the first casing 111 and the second casing 121 are both L-shaped, and the first casing 111 and the second casing 121 are in a U-shape as a whole when they abut together.
  • the first shell 111 and the second shell 121 are abutted together to leave a U-shaped space, so that the interior space of the armrest box 230 will not be too much. Occupied, the storage function is still retained.
  • the orthographic projection of the first receiving wall 1113 toward the first bottom plate 1111 along the vibration direction of the first diaphragm 1121 is at least partially located in the first Outside the bottom plate 1111.
  • the orthographic projection of the second receiving wall 1213 toward the second bottom plate 1211 along the vibration direction of the second diaphragm 1221 is at least partially located outside the second bottom plate 1211 .
  • the vehicle bass module 100 has an axis of symmetry p between the first housing 111 and the second housing 121 , and the first The speaker module 110 and the second speaker module 120 are axially symmetrical about the symmetry axis p.
  • the thickness of the first sound-generating unit 112 and the second sound-generating unit 122 along the vibration direction is d, and the thickness d is less than 35 mm.
  • the back surface of the first sound generating unit 112 faces the back surface of the first housing 111 , and the sound generating surface of the first sound generating unit 112 faces the sound outlet.
  • the backside of the second sound-generating unit 122 faces the backside of the second housing 121 , and the sound-generating surface of the second sound-generating unit 122 faces the sound outlet.
  • the first speaker module 110 further includes a first dust-proof mesh cover 116 that covers the first sound outlet 115 and is spaced from the first diaphragm 1121 .
  • a first sound-transmitting hole 1161 is formed through the first dust-proof mesh cover 116 .
  • the second speaker module 120 further includes a second dust-proof mesh cover 126 that covers the second sound outlet 125 and is spaced from the second diaphragm 1221 .
  • a second sound-transmitting hole 1261 is formed through the second dust-proof mesh cover 126 .
  • the first dustproof net cover 116 can prevent the external dust from entering the first housing 111 through the first sound outlet 115 , and prevent the dust from contacting the first sound-emitting unit 112 , thereby ensuring the first sound-emitting unit 112 product performance.
  • the second dust-proof mesh cover 126 can prevent external dust from entering the second housing 121 through the second sound outlet 125, and prevent the dust from contacting the second sound-emitting unit 122, thereby ensuring that the second sound-emitting unit 122 product performance.
  • the first speaker module 110 further includes a first bracket 117 .
  • the first bracket 117 is annularly sleeved on the outer periphery of the first sound-generating unit 112, and the first sound-generating unit 112 is suspended and supported in the first front cavity 113.
  • the first bracket 117 It is sandwiched between the first sounding unit 112 and the first receiving wall 1113 .
  • the second speaker module 120 further includes a second bracket 127 .
  • the second bracket 127 is annularly sleeved on the outer periphery of the second sound-generating unit 122, and the second sound-generating unit 122 is suspended and supported in the second front cavity 123.
  • the second bracket 127 It is sandwiched between the second sounding unit 122 and the second receiving wall 1213 .
  • the first sound-generating unit 112 can be stably installed in the first front cavity 113 through the first bracket 117 .
  • the wall of the first sound outlet 115 is provided with a first step 1151
  • the first bracket 117 is provided with a first protruding edge 1171 corresponding to the first step 1151
  • the first bracket 117 passes through the first protruding edge 1171 Set on the first step 1151, and use mounting parts such as screws, screws, bolts, pins, rivets, etc. to fix the first ledge 1171 on the first step 1151, or can also be glued, welded or clamped.
  • the connection is performed in a manner, which is not limited here, so that the first bracket 117 can be stably installed at the first sound outlet 115 of the first housing 111 .
  • the first sound-generating unit 112 is provided with a first outer edge 1122
  • the first outer edge 1122 is provided on the first bracket 117
  • the first outer edge 1122 is fixed by mounting parts such as screws, screws, bolts, pins, rivets, etc. It is fixedly installed on the first bracket 117, or can also be connected by means of bonding, welding or clamping, which is not limited here.
  • the installation manner of the second sound-generating unit 122 in the second casing 121 is similar, which will not be repeated here.
  • the vehicle-mounted bass module 100 is fixed in the armrest box 230 between the main driver's seat 210 and the passenger's seat 220 . In this way, after the vehicle-mounted bass module 100 is installed in the armrest box 230 , the vehicle-mounted bass module 100 is integrated by using the armrest box 230 , and the vehicle-mounted bass module 100 does not occupy additional space in the vehicle.
  • an armrest box 230 is provided.
  • the armrest box 230 is used to be arranged between the main driver's seat 210 and the passenger seat 220 in the vehicle 200.
  • the armrest box 230 includes the vehicle-mounted bass module of any of the above-mentioned embodiments. Group 100.
  • the first speaker module 110 emits sound toward the main driver's seat 210
  • the second speaker module 120 emits sound toward the passenger seat 220, so that the vehicle-mounted bass module 100 can be realized from the central part of the motor vehicle 200 to the vehicle respectively.
  • the left and right sides of the motor car 200 radiate sound, and the vibration directions of the radiated sound in the two directions are opposite, respectively covering the left half of the sound field area and the right half of the sound field area of the entire vehicle. In this way, the uniformity of the low-frequency sound field distribution of the whole vehicle can be increased.
  • only two first speaker modules 110 and two second speaker modules 120 are needed, and there is no need to dispose woofers on all four doors of the vehicle body as in the conventional technology, so that the device structure is simpler and the cost is lower.
  • the in-vehicle bass module 100 is disposed at the bottom of the armrest box 230 and close to one side of the rear of the motor vehicle 200 .
  • the armrest box 230 is provided with a storage box 231.
  • the storage box 231 is disposed between the first front cavity 113 and the second front cavity 123 and stacked on the first coupling rear cavity 114 and the second front cavity 123.
  • One side of the second post-coupling cavity 124 is disposed at the bottom of the armrest box 230 and close to one side of the rear of the motor vehicle 200 .
  • the armrest box 230 is provided with a storage box 231.
  • the storage box 231 is disposed between the first front cavity 113 and the second front cavity 123 and stacked on the first coupling rear cavity 114 and the second front cavity 123.
  • One side of the second post-coupling cavity 124 is disposed at the bottom of the armrest box 230 and close to one side of the rear of the motor vehicle 200 .
  • the armrest box 230 is provided
  • the outer wall of the vehicle-mounted bass module 100 smoothly transitions to the outer wall of the rest area of the armrest box 230 , so that the integrity of the armrest box 230 is good.
  • a motor vehicle 200 includes the armrest box 230 described in any of the foregoing embodiments.
  • the first speaker module 110 emits sound toward the main driver's seat 210
  • the second speaker module 120 emits sound toward the passenger seat 220, so that the on-board bass module 100 can be realized from the central part of the motor vehicle 200 to the motor vehicle 200 respectively.
  • the left and right sides of the motor car 200 radiate sound, and the vibration directions of the radiated sound in the two directions are opposite, respectively covering the left half of the sound field area and the right half of the sound field area of the entire vehicle. In this way, the uniformity of the low-frequency sound field distribution of the whole vehicle can be increased.
  • only two first speaker modules 110 and two second speaker modules 120 are needed, and there is no need to dispose woofers on all four doors of the vehicle body as in the conventional technology, so that the device structure is simpler and the cost is lower.
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with “first”, “second” may expressly or implicitly include at least one of that feature.
  • plurality means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit.
  • installed may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit.
  • a first feature "on” or “under” a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch.
  • the first feature being “above”, “over” and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature being “below”, “below” and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

一种机动车(200)、扶手箱(230)及车载低音模组(100)，车载低音模组(100)固定于主驾驶座(210)与副驾驶座(220)之间，车载低音模组(100)包括朝主驾驶座(210)发声的第一扬声器模组(110)、以及与第一扬声器模组(110)相背且朝向副驾驶座(220)发声的第二扬声器模组(120)。第一扬声器模组(110)朝向主驾驶座(210)发声，第二扬声器模组(120)朝向副驾驶座(220)发声，便能实现车载低音模组(100)从机动车(200)的中部部位分别向机动车(200)的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域，能增加全车低频声场分布的均匀性。只需第一扬声器模组(110)与第二扬声器模组(120)，无需如传统技术在车体的四个车门上均设置低音扬声器，结构更加简单，成本较低。

Description

机动车、扶手箱及车载低音模组 技术领域
本发明涉及机动车技术领域，特别是涉及一种机动车、扶手箱及车载低音模组。
 背景技术
机动车，包括汽车、公交车、大巴车、大货车、拖拉机、火车及地铁等等。随着电子技术发展迅速，为用户提供优秀的驾驶体验已经成为机动车不可或缺的部分，声音作为车内主要的三大（声、光、触）交互方式之一，在用户体验提升方面就显得尤为重要。
机动车以汽车为例进行展开说明，对于汽车而言，车载低音的设计方案一般是在汽车的四个车门上分别安装四个低音扬声器，或者在汽车的后尾箱内部安装一个超低音扬声器。
对于在汽车的四个车门上均安装低音扬声器的方式，一方面，四个低音扬声器同时工作时会引起不必要的车震，另一方面，该设计方案必须在四个车门上都安装上低音扬声器后，全车才会有较好的声场分布均匀度，低音扬声器的数量较多导致结构复杂，成本较高。此外，对于在汽车的后尾箱内部安装一个超低音扬声器的方式，汽车内的前后排座位的低音量感差距会比较明显，当后排座位处低音量感充足时，前排座位处低音量感会显得缺乏，当前排座位处低音量感充足时，后排座位处会显得低音过甚，声场分布均匀度较差。
 技术问题 技术解决方案 有益效果
基于此，有必要克服现有技术的缺陷，提供一种机动车、扶手箱及车载低音模组，它能够提高声场分布的均匀度，同时结构简单，成本较低。
其技术方案如下：一种车载低音模组，用于具有主驾驶座与副驾驶座的机动车，所述车载低音模组固定于所述主驾驶座与所述副驾驶座之间，所述车载低音模组包括：朝所述主驾驶座发声的第一扬声器模组、以及与所述第一扬声器模组相背且朝向所述副驾驶座发声的第二扬声器模组；所述第一扬声器模组包括具有第一收容空间的第一壳体以及收容于所述第一壳体的第一发声单体，所述第一发声单体将所述第一收容空间分隔为靠近主驾驶座一侧的第一前腔、以及位于所述第一发声单体远离所述主驾驶座一侧的第一耦合后腔；所述第二扬声器模组包括具有第二收容空间的第二壳体以及收容于所述第二壳体的第二发声单体，所述第二发声单体将所述第二收容空间分隔为靠近副驾驶座的第二前腔、以及位于所述第二发声单体远离所述副驾座一侧的第二耦合后腔，所述第一壳体与所述第二壳体相互抵接且所述第一耦合后腔与所述第二耦合后腔位于所述第一发声单体与所述第二发声单体之间。
上述的车载低音模组，第一扬声器模组朝向主驾驶座发声，第二扬声器模组朝向副驾驶座发声，便能实现车载低音模组从机动车的中部部位分别向机动车的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域。如此，能增加全车低频声场分布的均匀性。此外，只需两个第一扬声器模组与第二扬声器模组便可以实现，无需如传统技术在车体的四个车门上均设置低音扬声器，使得装置结构更加简单，成本较低。
在其中一个实施例中，所述第一壳体包括与所述第二壳体抵接的第一底板、自所述第一底板的边缘朝靠近所述第一发声单体弯折延伸的第一侧壁、以及自所述第一侧壁延伸并绕设在所述第一发声单体外周的第一收容壁；所述第一侧壁与所述第一底板围成所述第一耦合后腔，所述第一收容壁围成所述第一前腔，所述第一收容壁远离所述第一侧壁的一端围成第一出声口，所述第一发声单体靠近所述第一出声口一侧具有第一振膜；所述第二壳体包括与所述第一壳体抵接的第二底板、自所述第二底板的边缘朝靠近所述第二发声单体弯折延伸的第二侧壁、以及自所述第二侧壁延伸并绕设在所述第二发声单体外周的第二收容壁；所述第二侧壁与所述第二底板围成所述第二耦合后腔，所述第二收容壁围成所述第二前腔，所述第二收容壁远离所述第二侧壁的一端围成第二出声口，所述第二发声单体靠近所述第二出声口一侧具有第二振膜。
在其中一个实施例中，所述第一收容壁沿所述第一振膜的振动方向朝所述第一底板的正投影至少部分位于所述第一底板外；所述第二收容壁沿所述第二振膜的振动方向朝所述第二底板的正投影至少部分位于所述第二底板外。
在其中一个实施例中，所述车载低音模组具有位于所述第一壳体与所述第二壳体之间的对称轴，所述第一扬声器模组与所述第二扬声器模组关于所述对称轴呈轴对称设置。
在其中一个实施例中，所述第一发声单体与所述第二发声单体沿所述振动方向的厚度为d，厚度d小于35mm。
在其中一个实施例中，所述第一扬声器模组还包括覆盖所述第一出声口并与所述第一振膜间隔设置的第一防尘网罩，所述第一防尘网罩贯穿开设有第一透声孔；所述第二扬声器模组还包括覆盖所述第二出声口并与所述第二振膜间隔设置的第二防尘网罩，所述第二防尘网罩贯穿开设有第二透声孔。
在其中一个实施例中，所述第一扬声器模组还包括第一支架，所述第一支架呈环状套设于所述第一发声单体外周并将所述第一发声单体悬置支撑于所述第一收容空间内，所述第一支架夹设于所述第一发声单体与所述第一收容壁之间；所述第二扬声器模组还包括第二支架，所述第二支架呈环状套设于所述第二发声单体外周并将所述第二发声单体悬置支撑于所述第二收容空间内，所述第二支架夹设于所述第二发声单体与所述第二收容壁之间。
在其中一个实施例中，所述车载低音模组固定于所述主驾驶座和副驾驶座之间的扶手箱内。
一种扶手箱，所述扶手箱用于设于机动车车内的主驾驶座和副驾驶座之间，所述扶手箱包括所述的车载低音模组。
上述的扶手箱，第一扬声器模组朝向主驾驶座发声，第二扬声器模组朝向副驾驶座发声，便能实现车载低音模组从机动车的中部部位分别向机动车的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域。如此，能增加全车低频声场分布的均匀性。此外，只需两个第一扬声器模组与第二扬声器模组便可以实现，无需如传统技术在车体的四个车门上均设置低音扬声器，使得装置结构更加简单，成本较低。
在其中一个实施例中，所述车载低音模组设置于所述扶手箱的底部并靠近机动车车尾的一侧；所述扶手箱设有储物箱，所述储物箱设置于所述第一前腔与所述第二前腔之间且叠设于所述第一耦合后腔与所述第二耦合后腔一侧。
一种机动车，包括所述的扶手箱。
上述的机动车，第一扬声器模组朝向主驾驶座发声，第二扬声器模组朝向副驾驶座发声，便能实现车载低音模组从机动车的中部部位分别向机动车的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域。如此，能增加全车低频声场分布的均匀性。此外，只需两个第一扬声器模组与第二扬声器模组便可以实现，无需如传统技术在车体的四个车门上均设置低音扬声器，使得装置结构更加简单，成本较低。
 附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一实施例所述的车载低音模组的结构示意图；
图2为图1所示车载低音模组沿A-A线的剖面图；
图3为本发明一实施例所述的车载低音模组的分解结构示意图；
图4为本发明一实施例所述的扶手箱的其中一视角结构示意图；
图5为图4所示的扶手箱的另一视角结构示意图；
图6为图5所示扶手箱沿B-B线的剖面图；
图7为本发明一实施例所述的机动车的俯视结构示意图。
100、车载低音模组；110、第一扬声器模组；111、第一壳体；111’、第一收容空间；1111、第一底板；1112、第一侧壁；1113、第一收容壁；112、第一发声单体；1121、第一振膜；1122、第一外缘；113、第一前腔；114、第一耦合后腔；115、第一出声口；1151、第一台阶；116、第一防尘网罩；1161、第一透声孔；117、第一支架；1171、第一凸沿；120、第二扬声器模组；121、第二壳体；121’、第二收容空间；1211、第二底板；1212、第二侧壁；1213、第二收容壁；122、第二发声单体；1221、第二振膜；123、第二前腔；124、第二耦合后腔；125、第二出声口；126、第二防尘网罩；1261、第二透声孔；127、第二支架；200、机动车；210、主驾驶座；220、副驾驶座；230、扶手箱；231、储物箱。
 本发明的实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似改进，因此本发明不受下面公开的具体实施例的限制。
参阅图1与图7，图1示意出了本发明一实施例所述的车载低音模组100的结构示意图，图7示意出了本发明一实施例所述的机动车200的俯视结构示意图。本发明一实施例提供的一种车载低音模组100，用于具有主驾驶座210与副驾驶座220的机动车200，所述车载低音模组100固定于所述主驾驶座210与所述副驾驶座220之间。一般来讲，车载低音扬声器特指频率范围为20-100Hz的扬声器。
请再参阅图1至图3，图2示意出了图1在A-A处剖开后的其中一视角结构图，图3示意出了本发明一实施例所述的车载低音模组100的分解结构示意图。所述车载低音模组100包括朝所述主驾驶座210发声的第一扬声器模组110、以及与所述第一扬声器模组110相背且朝向所述副驾驶座220发声的第二扬声器模组120。所述第一扬声器模组110包括具有第一收容空间111’的第一壳体111以及收容于所述第一壳体111的第一发声单体112。所述第一发声单体112将所述第一收容空间111’分隔为靠近主驾驶座210一侧的第一前腔113、以及位于所述第一发声单体112远离所述主驾驶座210一侧的第一耦合后腔114。所述第二扬声器模组120包括具有第二收容空间121’的第二壳体121以及收容于所述第二壳体121的第二发声单体122。所述第二发声单体122将所述第二收容空间121’分隔为靠近副驾驶座220的第二前腔123、以及位于所述第二发声单体122远离所述副驾座一侧的第二耦合后腔124。所述第一壳体111与所述第二壳体121相互抵接且所述第一耦合后腔114与所述第二耦合后腔124位于所述第一发声单体112与所述第二发声单体122之间。
上述的车载低音模组100，第一扬声器模组110朝向主驾驶座210发声，第二扬声器模组120朝向副驾驶座220发声，便能实现车载低音模组100从机动车200的中部部位分别向机动车200的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域。如此，能增加全车低频声场分布的均匀性。此外，只需两个第一扬声器模组110与第二扬声器模组120便可以实现，无需如传统技术在车体的四个车门上均设置低音扬声器，使得装置结构更加简单，成本较低。
采用本方案的机动车200（例如汽车），正常听音情况下的低频声场分布：前排座椅处声压级为87dB，后排座椅处声压级为86dB，二者之间的声压级差约为1dB。
相关现有技术中将低音扬声器放置于车后尾箱中，相同条件下，前排座椅处声压级为76dB，后排座椅处声压级为86dB，两者之间的声压级差约为10dB。
请再参阅图1至图3，进一步地，所述第一壳体111包括与所述第二壳体121抵接的第一底板1111、自所述第一底板1111的边缘朝靠近所述第一发声单体112弯折延伸的第一侧壁1112、以及自所述第一侧壁1112延伸并绕设在所述第一发声单体112外周的第一收容壁1113。所述第一侧壁1112与所述第一底板1111围成所述第一耦合后腔114，所述第一收容壁1113围成所述第一前腔113，所述第一收容壁1113远离所述第一侧壁1112的一端围成第一出声口115，所述第一发声单体112靠近所述第一出声口115一侧具有第一振膜1121。
同样地，所述第二壳体121包括与所述第一壳体111抵接的第二底板1211、自所述第二底板1211的边缘朝靠近所述第二发声单体122弯折延伸的第二侧壁1212、以及自所述第二侧壁1212延伸并绕设在所述第二发声单体122外周的第二收容壁1213。所述第二侧壁1212与所述第二底板1211围成所述第二耦合后腔124，所述第二收容壁1213围成所述第二前腔123，所述第二收容壁1213远离所述第二侧壁1212的一端围成第二出声口125，所述第二发声单体122靠近所述第二出声口125一侧具有第二振膜1221。
如此，第一壳体111与第二壳体121为对顶放置并且相互硬接触，减小了车载低音模组100工作时引起的不必要的车震，能提升用户体验。具体而言，第一壳体111与第二壳体121的底板相互硬接触，没有任何的缝隙，第一壳体111与第二壳体121的振动方向相反，能相互完全抵消。
请参阅图1、图5及图6，图5示意出了本发明一实施例所述的扶手箱230的另一视角结构示意图，图6示意出了图5在B-B处剖开后的结构图。在一个实施例中，第一壳体111与第二壳体121均呈L形状，第一壳体111与第二壳体121抵靠在一起整体呈U形状。如此，将车载低音模组100设计到扶手箱230中后，第一壳体111与第二壳体121抵靠在一起留有U形状的空间，使得扶手箱230的内部空间不会被过多占用，储物功能仍然得以保留。
请再参阅图1至图3，在一个实施例中，所述第一收容壁1113沿所述第一振膜1121的振动方向朝所述第一底板1111的正投影至少部分位于所述第一底板1111外。此外，所述第二收容壁1213沿所述第二振膜1221的振动方向朝所述第二底板1211的正投影至少部分位于所述第二底板1211外。
请再参阅图1至图3，在一个实施例中，所述车载低音模组100具有位于所述第一壳体111与所述第二壳体121之间的对称轴p，所述第一扬声器模组110与所述第二扬声器模组120关于所述对称轴p呈轴对称设置。
在一个实施例中，所述第一发声单体112与所述第二发声单体122沿所述振动方向的厚度为d，厚度d小于35mm。如此，将车载低音模组100设计到扶手箱230中后，扶手箱230的内部空间不会被过多占用，储物功能仍然得以保留。需要说明的是，第一发声单体112的背面面向第一壳体111的背面，第一发声单体112的发声面朝向出声口。第二发声单体122的背面面向第二壳体121的背面，第二发声单体122的发声面朝向出声口。
在一个实施例中，所述第一扬声器模组110还包括覆盖所述第一出声口115并与所述第一振膜1121间隔设置的第一防尘网罩116。所述第一防尘网罩116贯穿开设有第一透声孔1161。所述第二扬声器模组120还包括覆盖所述第二出声口125并与所述第二振膜1221间隔设置的第二防尘网罩126。所述第二防尘网罩126贯穿开设有第二透声孔1261。如此，第一防尘网罩116能避免外界的灰尘通过第一出声口115进入到第一壳体111内，避免灰尘接触到第一发声单体112，从而能保证第一发声单体112产品的性能。此外，第二防尘网罩126能避免外界的灰尘通过第二出声口125进入到第二壳体121内，避免灰尘接触到第二发声单体122，从而能保证第二发声单体122产品的性能。
在一个实施例中，所述第一扬声器模组110还包括第一支架117。所述第一支架117呈环状套设于所述第一发声单体112外周并将所述第一发声单体112悬置支撑于所述第一前腔113内，所述第一支架117夹设于所述第一发声单体112与所述第一收容壁1113之间。此外，所述第二扬声器模组120还包括第二支架127。所述第二支架127呈环状套设于所述第二发声单体122外周并将所述第二发声单体122悬置支撑于所述第二前腔123内，所述第二支架127夹设于所述第二发声单体122与所述第二收容壁1213之间。
如此，第一发声单体112通过第一支架117便于较为稳定地装设于第一前腔113内。具体而言，第一出声口115的口壁设有第一台阶1151，第一支架117设有与第一台阶1151相对应的第一凸沿1171，第一支架117通过第一凸沿1171设于第一台阶1151上，并采用例如螺钉、螺丝、螺栓、销钉、铆钉等安装件将第一凸沿1171固定装设于第一台阶1151上，或者也可以粘接、焊接或卡接的方式进行连接，在此不进行限定，这样能实现第一支架117稳固地装设于第一壳体111的第一出声口115处。此外，第一发声单体112设有第一外缘1122，第一外缘1122设于第一支架117上，并采用例如螺钉、螺丝、螺栓、销钉、铆钉等安装件将第一外缘1122固定装设于第一支架117上，或者也可以粘接、焊接或卡接的方式进行连接，在此不进行限定。另外，第二发声单体122在第二壳体121内的装设方式类似，在此不再进行赘述。
在一个实施例中，所述车载低音模组100固定于所述主驾驶座210和副驾驶座220之间的扶手箱230内。如此，车载低音模组100设置于扶手箱230中后，利用扶手箱230来集成设置车载低音模组100，车载低音模组100不额外占用车内空间。
在一个实施例中，一种扶手箱230，扶手箱230用于设于机动车200车内的主驾驶座210和副驾驶座220之间，扶手箱230包括上述任一实施例的车载低音模组100。
上述的扶手箱230，第一扬声器模组110朝向主驾驶座210发声，第二扬声器模组120朝向副驾驶座220发声，便能实现车载低音模组100从机动车200的中部部位分别向机动车200的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域。如此，能增加全车低频声场分布的均匀性。此外，只需两个第一扬声器模组110与第二扬声器模组120便可以实现，无需如传统技术在车体的四个车门上均设置低音扬声器，使得装置结构更加简单，成本较低。
在一个实施例中，所述车载低音模组100设置于所述扶手箱230的底部并靠近机动车200车尾的一侧。所述扶手箱230设有储物箱231，所述储物箱231设置于所述第一前腔113与所述第二前腔123之间且叠设于所述第一耦合后腔114与所述第二耦合后腔124一侧。
如此，第一前腔113与第二前腔123的布置位置较为合理，不会额外占用空间。
另外，车载低音模组100的外壁平滑地过渡到扶手箱230的其余区域外壁上，使得扶手箱230的整体性较好。
在一个实施例中，一种机动车200，包括上述任一实施例所述的扶手箱230。
上述的机动车200，第一扬声器模组110朝向主驾驶座210发声，第二扬声器模组120朝向副驾驶座220发声，便能实现车载低音模组100从机动车200的中部部位分别向机动车200的左右两侧面辐射声音，两个方向辐射声音的振动方向是相反的，分别覆盖整车左半边的声场区域和右半边的声场区域。如此，能增加全车低频声场分布的均匀性。此外，只需两个第一扬声器模组110与第二扬声器模组120便可以实现，无需如传统技术在车体的四个车门上均设置低音扬声器，使得装置结构更加简单，成本较低。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“上”、“下”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。

Claims (12)

  1. 一种车载低音模组，用于具有主驾驶座与副驾驶座的机动车，其特征在于，所述车载低音模组固定于所述主驾驶座与所述副驾驶座之间，所述车载低音模组包括：
    朝所述主驾驶座发声的第一扬声器模组、以及与所述第一扬声器模组相背且朝向所述副驾驶座发声的第二扬声器模组；
    所述第一扬声器模组包括具有第一收容空间的第一壳体以及收容于所述第一壳体的第一发声单体，所述第一发声单体将所述第一收容空间分隔为靠近主驾驶座一侧的第一前腔、以及位于所述第一发声单体远离所述主驾驶座一侧的第一耦合后腔；
    所述第二扬声器模组包括具有第二收容空间的第二壳体以及收容于所述第二壳体的第二发声单体，所述第二发声单体将所述第二收容空间分隔为靠近副驾驶座的第二前腔、以及位于所述第二发声单体远离所述副驾座一侧的第二耦合后腔，所述第一壳体与所述第二壳体相互抵接且所述第一耦合后腔与所述第二耦合后腔位于所述第一发声单体与所述第二发声单体之间。
  2. 根据权利要求1所述的车载低音模组，其特征在于，所述第一壳体包括与所述第二壳体抵接的第一底板、自所述第一底板的边缘朝靠近所述第一发声单体弯折延伸的第一侧壁、以及自所述第一侧壁延伸并绕设在所述第一发声单体外周的第一收容壁；所述第一侧壁与所述第一底板围成所述第一耦合后腔，所述第一收容壁围成所述第一前腔，所述第一收容壁远离所述第一侧壁的一端围成第一出声口，所述第一发声单体靠近所述第一出声口一侧具有第一振膜。
  3. 根据权利要求2所述的车载低音模组，其特征在于，所述第二壳体包括与所述第一壳体抵接的第二底板、自所述第二底板的边缘朝靠近所述第二发声单体弯折延伸的第二侧壁、以及自所述第二侧壁延伸并绕设在所述第二发声单体外周的第二收容壁；所述第二侧壁与所述第二底板围成所述第二耦合后腔，所述第二收容壁围成所述第二前腔，所述第二收容壁远离所述第二侧壁的一端围成第二出声口，所述第二发声单体靠近所述第二出声口一侧具有第二振膜。
  4. 根据权利要求3所述的车载低音模组，其特征在于，所述第一收容壁沿所述第一振膜的振动方向朝所述第一底板的正投影至少部分位于所述第一底板外；所述第二收容壁沿所述第二振膜的振动方向朝所述第二底板的正投影至少部分位于所述第二底板外。
  5. 根据权利要求2-4任一项所述的车载低音模组，其特征在于，所述车载低音模组具有位于所述第一壳体与所述第二壳体之间的对称轴，所述第一扬声器模组与所述第二扬声器模组关于所述对称轴呈轴对称设置。
  6. 根据权利要求5所述的车载低音模组，其特征在于，所述第一发声单体与所述第二发声单体沿所述振动方向的厚度为d，厚度d小于35mm。
  7. 根据权利要求5所述的车载低音模组，其特征在于，所述第一扬声器模组还包括覆盖所述第一出声口并与所述第一振膜间隔设置的第一防尘网罩，所述第一防尘网罩贯穿开设有第一透声孔；所述第二扬声器模组还包括覆盖所述第二出声口并与所述第二振膜间隔设置的第二防尘网罩，所述第二防尘网罩贯穿开设有第二透声孔。
  8. 根据权利要求5所述的车载低音模组，其特征在于，所述第一扬声器模组还包括第一支架，所述第一支架呈环状套设于所述第一发声单体外周并将所述第一发声单体悬置支撑于所述第一收容空间内，所述第一支架夹设于所述第一发声单体与所述第一收容壁之间；所述第二扬声器模组还包括第二支架，所述第二支架呈环状套设于所述第二发声单体外周并将所述第二发声单体悬置支撑于所述第二收容空间内，所述第二支架夹设于所述第二发声单体与所述第二收容壁之间。
  9. 根据权利要求5所述的车载低音模组，其特征在于，所述车载低音模组固定于所述主驾驶座和副驾驶座之间的扶手箱内。
  10. 一种扶手箱，其特征在于，所述扶手箱用于设于机动车车内的驾驶座和副驾驶座之间，所述扶手箱包括如权利要求1至9任意一项所述的车载低音模组。
  11. 根据权利要求10所述的扶手箱，其特征在于，所述车载低音模组设置于所述扶手箱的底部并靠近机动车车尾的一侧；所述扶手箱设有储物箱，所述储物箱设置于所述第一前腔与所述第二前腔之间且叠设于所述第一耦合后腔与所述第二耦合后腔一侧。
  12. 一种机动车，其特征在于，包括如权利要求11所述的扶手箱。
     
PCT/CN2020/122201 2020-09-29 2020-10-20 机动车、扶手箱及车载低音模组 WO2022067902A1 (zh)

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