CN209120453U - Car door subwoofer - Google Patents
Car door subwoofer Download PDFInfo
- Publication number
- CN209120453U CN209120453U CN201822109128.8U CN201822109128U CN209120453U CN 209120453 U CN209120453 U CN 209120453U CN 201822109128 U CN201822109128 U CN 201822109128U CN 209120453 U CN209120453 U CN 209120453U
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- woofer
- rear box
- passive
- car door
- cabinet
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Abstract
The utility model relates to car audio systems, specifically a kind of car door subwoofer, forward and backward cabinet is independent closed case, it is connected between forward and backward cabinet by curve trunnion, realize the conducting of information stream, the position that the position and curve trunnion that curve trunnion is connected to preceding cabinet are connected to rear box tilts；Active woofer is installed on the preceding tank wall of preceding cabinet, passive woofer is equipped in rear box, passive woofer is one or is arranged in pairs, when passive woofer is one, it is mounted on the preceding tank wall or rear box wall of rear box, the correspondence when passive woofer is pairs of, one of every centering are installed on the tank wall of rear box, before another is installed on the tank wall of rear box or is mounted on the tank wall of cabinet.The volume of subwoofer is greatly reduced in the utility model, it is easy to which ground is not in the case where making any change to original automobile door structure, 6.5 inch woofer of direct replacement original car door.
Description
Technical field
The utility model relates to car audio system, specifically a kind of car door subwoofer.
Background technique
With the development of automotive electronic technology and AI (artificial intelligence) reaches its maturity, and people want the sound quality of automobile audio
Ask higher and higher and cost requirement is lower and lower.Currently, the automobile bass of prior art production is following four structure:
1. the woofer of 4 6.5 inch or so, i.e., are separately positioned on the lower part of four car doors by four car door basses,
The volume formed using the outer wall steel plate and inner wall of car door is as bass cabinet；Its drawback is that gas leakage cannot form bass cabinet,
It can only be acoustics baffle at most, bass lower tone is at high cost.
2. one or two 4 inch~12 inch woofer are arranged at one by plastics integrated car subwoofer
Or on the cabinet of 20 liters~40 liter capacities of the production such as timber；Its drawback is that volume is big, and car puts setting difficulty, at high cost.
3. the ultra-thin woofer of 6.5 inch~8 inch is mounted on by using on car body by bodied vehicle subwoofer
On 10 liters~15 liters cabinets that steel plate surrounds；Its drawback is that occupancy vehicle body space is big, and production production technology is complicated, at high cost.
4. standby luggage case automobile subwoofer, by the ultra-thin woofer of 1~3 8 inch~12 inch be arranged in compartment with
On the rear window platform that boot is kept apart, the cabinet of subwoofer is made using 500 liters of boot or so of volume；After its drawback is
Standby 500 liters or so of case volume, volume is too big, cannot reach the requirement of woofer；And gas leakage, it can not achieve sealing, only
It can play the role of acoustics baffle, it is at high cost.
Utility model content
The existing above problem is converted in order to solve existing automobile bass electroacoustical, the purpose of this utility model is to provide one
Kind car door subwoofer.The automobile subwoofer is (only 1.3 liters or so) small in size, can be with direct replacement orthodox car door bass
Loudspeaker, and original automobile door structure does not make any changes, so that it may it is directly installed on the lower part of each car door, and as one
The bass effect of than 4 6.5 inch woofers of traditional car door of the bass effect of subwoofer is not bad, and cost is made to reduce by 75%.
The purpose of this utility model is achieved through the following technical solutions:
The utility model includes preceding cabinet, rear box, curve trunnion, active woofer and passive woofer,
Wherein preceding cabinet and rear box are independent closed case, are connected between the preceding cabinet and rear box by the curve trunnion
It is logical, realize the conducting of information stream, the position and curve trunnion and the rear box which is connected to the preceding cabinet connect
Logical position tilts, i.e., the position that the position and curve trunnion that the described curve trunnion is connected to preceding cabinet are connected to rear box it
Between curve trunnion on have turn round position；It is equipped with active woofer in the preceding cabinet, the active bass loudspeaker
Device is mounted on the preceding tank wall of the preceding cabinet；Passive woofer is equipped in the rear box, the passive bass loudspeaker
Device is one or to be arranged in pairs, when the passive woofer is one, be mounted on the rear box preceding tank wall or after
On tank wall, the correspondence when the passive woofer is to be arranged in pairs, one of every centering is passive, and woofer is equal
It is mounted on the tank wall of the rear box, the passive woofer of the another of every centering is installed in the tank wall of the rear box
Above or it is mounted on the tank wall of the preceding cabinet；
Wherein: the side of preceding cabinet towards the rear box extends outwardly, forms installation hole edge, the curve trunnion
With the installation hole along being connected, the other end is connected to the rear box for one end；
The external surface shape on the installation hole edge is identical as the car door woofer installation shape of steel plate hole, and
Steel plate hole is installed less than the car door woofer；
Multiple screw holes are along the circumferential direction uniformly provided on the preceding cabinet；
The perimeter of the rear box is less than or equal to the perimeter of preceding cabinet, and the outer of the rear box is outer with the preceding cabinet
Along outer that is coplanar, or protruding from preceding cabinet；
The vibrating diaphragm area of the passive woofer and greater than the active woofer vibrating diaphragm area and；
The mounting plane of the passive woofer is parallel or coplanar with the mounting plane of active woofer；
The passive woofer is the tank wall that the passive woofer of two of every centering is installed when being arranged in pairs
Identical, i.e., two of every centering are passive, and woofer is separately mounted on the preceding tank wall and rear box wall of the rear box；
The passive woofer is the tank wall that the passive woofer of two of every centering is installed when being arranged in pairs
Identical, i.e., the passive woofer of one of every centering is installed in the tank wall for the preceding cabinet that the active woofer is in
On, the passive woofer of the another of every centering is installed on the tank wall of the rear box；
When the passive woofer is one, it is mounted on leaning on the nearby preceding tank wall of cabinet for the rear box.
The advantages of the utility model and good effect are as follows:
1. the utility model uses the structure design of forward and backward cabinet and curve trunnion, volume only has 1.3 liters or so, can
The lower part of car door is mounted on easily direct replacement orthodox car door woofer, without doing to former automobile door structure
Any change.
2. corresponding passive loudspeaker resonance is utilized in the utility model, the air spring effect of information stream in bass receiver,
The bass boost effect of the outer car door volume of cabinet secondary bass boost and passenger foot storehouse, can perfectly be shaken thick and heavy
Bass effect.
3. the utility model uses corresponding passive woofer setting, when electroacoustic is converted, this pair of passive bass is raised
Sound device diaphragm oscillations are contrary, and Oscillation Amplitude is equal, and vibration force is offset, and drastically reduce the mechanical oscillation of electroacoustic conversion,
Car door vibration is reduced, the life and reliability of car door is improved.
The drawbacks of bass effect sharply declines in small volume 4. the utility model overcomes orthodox car subwoofer, very well
Ground realizes reduction balance of the bass in big volume and small volume.
5. 3.5 inch small diameter loudspeakers of the utility model, and only with a car door subwoofer, so that it may obtain ratio 4
The better sound quality of woofer solution is arranged in 6.5 inch tradition car doors, and cost reduces 75%.
6. the utility model reduces the occupied space of automobile woofer in the car, increase available space in compartment
Add.
7. the utility model reduces vehicle installing component, the technology difficulty of entire vehicle design manufacture is reduced.
8. the utility model reduces bass sound delay and wind is made an uproar, than traditional inverted phase type automobile subwoofer, bass electroacoustical
It converts more acurrate pure.
9. the car door subwoofer of the utility model is integral type plastic box body structure, woofer unit can be obtained
Additional protection, prolongs the service life, and more waterproof and is hardly damaged.
10. the utility model reduces auto loud hailer system weight 70%, car door weight and complete vehicle weight can be reduced.
Detailed description of the invention
Figure 1A is the structure sectional view of the utility model embodiment one；
Figure 1B is the stereochemical structure cross-sectional view of the utility model embodiment one；
Fig. 2A is the structure sectional view of the utility model embodiment two；
Fig. 2 B is the stereochemical structure cross-sectional view of the utility model embodiment two；
Fig. 3 A is the structure sectional view of the utility model embodiment three；
Fig. 3 B is the stereochemical structure cross-sectional view of the utility model embodiment three；
Fig. 4 A is the structure sectional view of the utility model embodiment four；
Fig. 4 B is the stereochemical structure cross-sectional view of the utility model embodiment four；
Fig. 5 A is the structure sectional view of the utility model embodiment five；
Fig. 5 B is the stereochemical structure cross-sectional view of the utility model embodiment five；
Fig. 6 A is the structure sectional view of the utility model embodiment six；
Fig. 6 B is the stereochemical structure cross-sectional view of the utility model embodiment six；
Wherein: 1 is car door subwoofer, and 2 be preceding cabinet, and 3 be rear box, and 4 be curve trunnion, and 5 be active bass loudspeaker
Device, 6 be passive woofer, and 7 be screw hole, and 8 be installation hole edge.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
The utility model includes preceding cabinet 2, rear box 3, curve trunnion 4, active woofer 5 and passive bass loudspeaker
Device 6 passes through curve trunnion wherein preceding cabinet 2 and rear box 3 are independent closed case between the preceding cabinet 2 and rear box 3
4 are connected, and realize the conducting of information stream, and the position and curve trunnion 4 and rear box 3 which is connected to preceding cabinet 2 connect
Logical position tilts, i.e., the position that is connected to rear box 3 of the position that is connected to preceding cabinet 2 of curve trunnion 4 and curve trunnion 4 it
Between curve trunnion 4 on have turn round position.It is equipped with active woofer 5 in preceding cabinet 2, the active woofer
5 are mounted on the preceding tank wall of preceding cabinet 2.Passive woofer 6 is equipped in rear box 3, which is one
It only or is arranged in pairs, when passive woofer 5 is one, is mounted on the preceding tank wall or rear box wall of rear box 3；When passive
Woofer 5 is correspondence when being arranged in pairs, and one of every centering is passive, and woofer 5 is installed in rear box 3
On tank wall, cabinet 2 before the passive woofer 5 of the another of every centering is installed on the tank wall of rear box 3 or is mounted on
On tank wall.Multiple screw holes 7 are along the circumferential direction uniformly provided on preceding 2 outer of cabinet, are fixed on for car door subwoofer
On car door.
The side of preceding cabinet 2 towards rear box 3 extends outwardly, forms installation hole along 8, one end of curve trunnion 4 and peace
Dress hole is connected along 8, and the other end is connected to rear box 3.External surface shape and car door woofer of the installation hole along 8
The shape for installing steel plate hole is identical, and is less than the car door woofer and installs steel plate hole.
The perimeter of rear box 3 is less than or equal to the perimeter of preceding cabinet 2, and the outer of the rear box 3 and the outer of preceding cabinet 2 are total
Face, or protrude from the outer of preceding cabinet 2.
The mounting plane of passive woofer 6 is parallel or coplanar with the mounting plane of active woofer 5.It is passive low
The vibrating diaphragm area of sound loudspeaker 6 and be greater than all vibrating diaphragm areas of active woofer 5 and.
When the active woofer 5 of the utility model is 3.5 inch, the appearance of preceding cabinet 2, rear box 3 and curve trunnion 4
The sum of product is 1.3 liters or so, this volume is directly proportional to the vibrating diaphragm area of active woofer 5.Since car door bass is raised
Sound device mounting structure is that 6.5 traditional inch or so woofer is made to measure.1.3 liter capacities of the utility model are low
Although sound big gun volume very little, remains difficult to be mounted on car door as structure does not change.Therefore, the car door of the utility model
Cabinet 2 and rear box 3 before the cabinet of subwoofer 1 is divided into, and they pass through 4 realization sound airflow of curve trunnion；This is practical new
The entirety of type is in alphabetical " h " shape, and preceding cabinet 2 is located at the outside of car door woofer installation steel plate, and it is low that rear box 3 is located at car door
Sound loudspeaker installs the inboard of steel plate, thus extremely flexibly can design vapour according to the different automobile door structures of different automobile types
Car door subwoofer.
Embodiment one
As shown in Figure 1A, Figure 1B, the present embodiment is by an existing original of car door subwoofer direct replacement in " h " shape
The right 6.5 inch woofer of front door of vehicle.The preceding cabinet 2 of the car door subwoofer of the present embodiment is a cylindrical box, after
Tank wall extends outwardly, forms cylindrical installation hole along 8, and installation hole is less than former automobile woofer along 8 outer diameter
The hole diameter of steel plate is installed, this hole diameter is 145mm or so.Here the diameter of preceding cabinet 2 and height to meet not with vehicle
The interference of compartment door panel.The diameter of cabinet 2 is φ 165mm before the present embodiment, and installation hole is φ 130mm along 8 diameter.It is main
Dynamic woofer 5 is arranged on the preceding tank wall of preceding cabinet 2, and active woofer 5, which can be, circular is also possible to ellipse
Shape, the present embodiment is using a 3.5 inch circle cone basin woofers.
Rear box 3 will prevent from interfering with window lifting glass, on the one hand obtain tank-volumes in this way, on the other hand again not
It can be with the interference of window lifting glass.When glass is all fallen, the spacing of 8mm or more is kept.Outside the rear box 3 of the present embodiment
Shape is partial cylindrical shapes, and radius is less than or equal to the radius of preceding cabinet 2.Curve trunnion 4 is a penetrating pipe, to even
Cabinet 2 and rear box 3 before connecing；On the one hand sufficiently increase volume in this way, on the other hand guarantees the intensity of entire subwoofer cabinet.It turns
The cross-sectional area of neck trunnion 4 is greater than 1000mm2, the present embodiment is one and a half months shape pipe, i.e. the curve trunnion 4 of the present embodiment
The one end being connected to preceding cabinet 2 is straight tube, and the axial cross section for the other end being connected to rear box 3 is inclined-plane；The present embodiment turns
The cross-sectional area 5000mm of neck trunnion 42.The preceding cabinet 2 of the present embodiment, the volume of rear box 3 and curve trunnion 4 and be 1.3 liters,
For the active woofer 5 of 3.5 inch, corresponding tank-volumes are 1.3 liters or so best, are greater than 1.3 liters and pacify in car door
Dress is difficult, and less than 1.3 liters bass effects begin to degenerate.Passive woofer 6 can be one, be also possible to pairs of.
Passive woofer is also known as bass radiator, can be circular, is also possible to ellipse or rectangular, and shape can be with
It is that plate is also possible to cone.Passive 6 vibrating diaphragm area of woofer be greater than 5 vibrating diaphragm area of active woofer and
1.5 times, passive woofer 6 is arranged in the tank wall of preceding cabinet 2 or rear box 3, and the installation of passive woofer 6
Plane is coplanar or parallel with the mounting plane of active woofer 5.The present embodiment uses the circle of a pair of of diameter phi 88mm
The passive woofer of plate, one in front and one in back correspondence is mounted on the forward and backward tank wall of rear box 3 for they, and this is a pair of passive low
The mounting plane of sound loudspeaker 6 is parallel with the mounting plane of active woofer 5.The outer of the present embodiment rear box 3 is with before
The outer of cabinet 2 is coplanar.
The present embodiment has along the circumferential direction been uniformly arranged four screw holes 7 in the outer rim of preceding cabinet 2, and screw hole 7 opens up
Position is identical with the position that former vehicle car door woofer is installed on car door steel plate, and fixing screws used are also identical.
Car door subwoofer 1 can be manufactured with the production such as plastics, metal, the present embodiment with the method for die sinking injection molding.First root
According to former automobile door structure, the design principle design appearance and structure illustrated according to this example；Then box mold, cabinet are made
It is manufactured with materials such as injection molding forming method application ABS, is then mounted on active woofer 5 and passive woofer 6
Before corresponding on cabinet 2 and rear box 3.Car door subwoofer 1 after the completion is installed on copilot car door again.It certainly can also
To be mounted on the lower part of skipper's bottom of door or the left and right car door of heel row.Full vehicle can not only install one, can also install two
A (such as just, copilot bottom of door) or four (each car door of four car doors installs one), such bass effect can be more preferable.
Embodiment two
As shown in Fig. 2A, Fig. 2 B, the difference between this embodiment and the first embodiment lies in: the passive bass of a pair of the present embodiment is raised
Sound device 6, wherein one is only installed on the rear box wall of rear box 3, it is another be only installed at before cabinet 2 preceding tank wall on, and with actively
The mounting plane of woofer 5 is coplanar.Therefore, the internal diameter of one end that the curve trunnion 4 of the present embodiment is connected to preceding cabinet 2 is wanted
Greater than embodiment one；Further more, the axial cross section for the other end that the curve trunnion 4 of the present embodiment is connected to rear box 3 is to concave
Cambered surface.Remaining is the same as example 1.
Embodiment three
As shown in Fig. 3 A, Fig. 3 B, the difference between this embodiment and the first embodiment lies in: the passive bass of a pair of the present embodiment is raised
Sound device 6, wherein one is only installed on the preceding tank wall of rear box 3, it is another be only installed at before cabinet 2 preceding tank wall on, and with actively
The mounting plane of woofer 5 is coplanar.Remaining is the same as example 1.
Example IV
As shown in Fig. 4 A, Fig. 4 B, the difference between this embodiment and the first embodiment lies in: the length of the curve trunnion 4 of the present embodiment
Degree is greater than the length of the curve trunnion 4 of embodiment one, and the one end being connected to preceding cabinet 2 is straight tube, is connected to rear box 3 another
One end is bend pipe, the longitudinal center line at the position that curve trunnion 4 is connected to preceding cabinet 2 and the axis at the position being connected to rear box 3
It is perpendicular to center line.The outer of the rear box 3 of the present embodiment protrude from before cabinet 2 outer, so as to be formed it is limited
Automobile door structure under, it is more convenient neatly to design, adapt to the installation environment of different car door woofers.Remaining is and embodiment
One is identical.
Embodiment five
As shown in Fig. 5 A, Fig. 5 B, the difference between the present embodiment and the second embodiment lies in that: the passive woofer of the present embodiment
6 be one, is the passive woofer of round plate of a diameter phi 120mm, this passive woofer setting
On the preceding tank wall of rear box 3.The internal diameter of one end that the curve trunnion 4 of the present embodiment is connected to preceding cabinet 2 can be with embodiment one
It is identical.Remaining is identical as embodiment two.
Embodiment six
As shown in Fig. 6 A, Fig. 6 B, the difference of the present embodiment and example IV is: the passive woofer of the present embodiment
6 be one, is the passive woofer of round plate of a diameter phi 120mm, this passive woofer setting
On the preceding tank wall of rear box 3.Remaining is identical as example IV.
The working principle of the utility model are as follows:
When subwoofer power (250Hz or less) is applied to active woofer 5, the vibration of active woofer vibrating diaphragm
Bass is generated, electroacoustic conversion is carried out.When the direction vibration in the vibrating diaphragm of active woofer 5 forward cabinet 2, have compressed
Air in preceding cabinet 2, the atmospheric pressure before making in cabinet 2 are greater than the pressure of curve trunnion 4 and rear box 3, in preceding cabinet 2
Air will be flowed by curve trunnion 4 into rear box 3.At this moment, the pressure of forward and backward cabinet 2,3 is greater than acoustic surrounding air
Pressure shakes the vibrating diaphragm of passive woofer 6 to respective cabinet outside direction；When active woofer 5 vibrating diaphragm forward
When shaking outside cabinet 2, the pressure in preceding cabinet 2 is reduced, and the air in rear box 3 will flow in curve trunnion 4 forward cabinet 2
It is dynamic.This flowing just produces the effect of aeroacoustics spring, while whole active vibrating diaphragm areas and passive vibrating diaphragm area increase
Twice, enhance bass sound wave greatly.This bass sound wave is not radiated listening volume not instead of directly,
It first travels in car door, this bass sound wave is further promoted again in car door, then travel to passenger foot storehouse again,
In foot storehouse, this bass sound wave is got back promotion, bass boost multiple in this way as a result, making the tank-volumes 3.5 using 1.3 liters
The car door subwoofer of inch woofer obtains the bass of simple and honest, pure shock.Also, the unique preceding case of 1.3 liters of small box
The structure design of body, rear box, double cabinets and curve trunnion, can be the case where not doing any change to former vehicle automobile door structure
Under, very convenient 6.5 inch woofer of direct replacement original vehicle car door, and the bass effect ratio of such car door subwoofer
4 traditional 6.5 inch woofers of car door will also be got well, and cost reduces 75%, in the case where cost is greatly lowered, makes vapour
The bass of vehicle is more preferably.
Claims (10)
1. a kind of car door subwoofer, it is characterised in that: low including preceding cabinet (2), rear box (3), curve trunnion (4), active
Sound loudspeaker (5) and passive woofer (6), wherein preceding cabinet (2) and rear box (3) are independent closed case, it should
It is connected between preceding cabinet (2) and rear box (3) by the curve trunnion (4), realizes the conducting of information stream, the curve trunnion
(4) position that the position and curve trunnion (4) being connected to the preceding cabinet (2) are connected to the rear box (3) tilts, i.e. institute
State turning between the position that curve trunnion (4) is connected to preceding cabinet (2) position being connected to and curve trunnion (4) with rear box (3)
There is the position turned round on neck trunnion (4)；Active woofer (5) are equipped in the preceding cabinet (2), which raises
Sound device (5) is mounted on the preceding tank wall of the preceding cabinet (2)；Passive woofer (6) are equipped in the rear box (3),
The passive woofer (5) is one or is arranged in pairs, and when the passive woofer (5) is one, is mounted on institute
It states on the preceding tank wall or rear box wall of rear box (3), the correspondence when the passive woofer (5) is to be arranged in pairs, often
One of centering is passive, and woofer (5) is installed on the tank wall of the rear box (3), and the another of every centering is passively low
Sound loudspeaker (5) is installed on the tank wall of the rear box (3) or is mounted on the tank wall of the preceding cabinet (2).
2. car door subwoofer according to claim 1, it is characterised in that: the preceding cabinet (2) is towards rear box (3)
Side extends outwardly, forms installation hole along (8), and one end of the curve trunnion (4) is connected with the installation hole along (8),
The other end is connected to the rear box (3).
3. car door subwoofer according to claim 2, it is characterised in that: outer surface shape of the installation hole along (8)
Shape is identical as the car door woofer installation shape of steel plate hole, and is less than the car door woofer and installs steel plate hole
Hole.
4. car door subwoofer according to claim 1, it is characterised in that: on the preceding cabinet (2) along the circumferential direction
It is even to offer multiple screw holes (7).
5. car door subwoofer according to claim 1, it is characterised in that: the perimeter of the rear box (3) is less than or waits
Perimeter in preceding cabinet (2), the outer of the rear box (3) is coplanar with the outer of the preceding cabinet (2), or protrudes from preceding cabinet
(2) outer.
6. car door subwoofer according to claim 1, it is characterised in that: the vibrating diaphragm of the passive woofer (6)
Area and be greater than the active woofer (5) vibrating diaphragm area and.
7. car door subwoofer according to claim 1, it is characterised in that: the installation of the passive woofer (6)
Plane and the mounting plane of active woofer (5) are parallel or coplanar.
8. car door subwoofer according to claim 1, it is characterised in that: the passive woofer (6) is pairs of
When setting, the tank wall that the passive woofer (6) of two of every centering is installed is identical, i.e., two of every centering are passive, and bass is raised
Sound device (6) is separately mounted on the preceding tank wall and rear box wall of the rear box (3).
9. car door subwoofer according to claim 1, it is characterised in that: the passive woofer (6) is pairs of
When setting, the tank wall that the passive woofer (6) of two of every centering is installed is identical, i.e., one of every centering is passive, and bass is raised
Sound device (6) is installed on the tank wall for the preceding cabinet (2) that the active woofer (5) is in, the another quilt of every centering
Dynamic woofer (6) are installed on the tank wall of the rear box (3).
10. car door subwoofer according to claim 1, it is characterised in that: the passive woofer (6) is one
When, it is mounted on leaning on the nearby preceding tank wall of cabinet (2) for the rear box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822109128.8U CN209120453U (en) | 2018-12-14 | 2018-12-14 | Car door subwoofer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822109128.8U CN209120453U (en) | 2018-12-14 | 2018-12-14 | Car door subwoofer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209120453U true CN209120453U (en) | 2019-07-16 |
Family
ID=67208136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822109128.8U Active CN209120453U (en) | 2018-12-14 | 2018-12-14 | Car door subwoofer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209120453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119586A1 (en) * | 2018-12-14 | 2020-06-18 | 深圳纽斯声学系统有限公司 | Vehicle door subwoofer |
| CN115988392A (en) * | 2023-01-12 | 2023-04-18 | 华为技术有限公司 | Speaker module, speaker system and vehicle |
-
2018
- 2018-12-14 CN CN201822109128.8U patent/CN209120453U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119586A1 (en) * | 2018-12-14 | 2020-06-18 | 深圳纽斯声学系统有限公司 | Vehicle door subwoofer |
| CN111327992A (en) * | 2018-12-14 | 2020-06-23 | 深圳纽斯声学系统有限公司 | Automobile door subwoofer |
| CN115988392A (en) * | 2023-01-12 | 2023-04-18 | 华为技术有限公司 | Speaker module, speaker system and vehicle |
| CN115988392B (en) * | 2023-01-12 | 2024-01-16 | 华为技术有限公司 | Speaker module, speaker system and vehicle |
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