KR101642890B1 - Speaker of cluster for automobile - Google Patents

Speaker of cluster for automobile Download PDF

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Publication number
KR101642890B1
KR101642890B1 KR1020150149608A KR20150149608A KR101642890B1 KR 101642890 B1 KR101642890 B1 KR 101642890B1 KR 1020150149608 A KR1020150149608 A KR 1020150149608A KR 20150149608 A KR20150149608 A KR 20150149608A KR 101642890 B1 KR101642890 B1 KR 101642890B1
Authority
KR
South Korea
Prior art keywords
speaker unit
sound
opening
rear cover
rear side
Prior art date
Application number
KR1020150149608A
Other languages
Korean (ko)
Inventor
유재표
Original Assignee
콘티넨탈 오토모티브 일렉트로닉스 유한회사
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.)
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Application filed by 콘티넨탈 오토모티브 일렉트로닉스 유한회사 filed Critical 콘티넨탈 오토모티브 일렉트로닉스 유한회사
Priority to KR1020150149608A priority Critical patent/KR101642890B1/en
Application granted granted Critical
Publication of KR101642890B1 publication Critical patent/KR101642890B1/en

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    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

The present invention relates to a speaker device for an automobile cluster, comprising: a speaker unit which is provided in the opening of a rear cover and transmits sound; and a sound box extension unit which prevents the sound discharged to the rear side of a speaker unit from being dispersed to the outside and extends to the inner side of the rear cover in an opening so that the sound is discharged to the front side of the speaker unit in the state of being echoed. Unlike the prior art, the present invention is configured to expand and form a sound box region which is closed toward the inner side from the conventional rear cover so as to block the sound discharged to the rear side of the speaker unit and induce the sound to be discharged to the front side in the state of being echoed.

Description

[0001] SPEAKER OF CLUSTER FOR AUTOMOBILE [0002]

[0001] The present invention relates to a loudspeaker apparatus for an instrument panel, and more particularly, to a loudspeaker apparatus for a dashboard, and more particularly to a loudspeaker apparatus for an instrument panel, To a speaker device for an instrument panel.

Generally, the instrument panel of the vehicle is equipped with a speaker unit which generates a warning sound for safe operation.

The instrument panel on the vehicle is mounted on the front of the driver's seat and warns the driver of safety precautions such as driving speed, mileage, fuel condition, direction, oil condition, brake,

Therefore, the driver recognizes the warning sound generated in the instrument panel, thereby being able to know which part of the vehicle has a problem.

On the other hand, the background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 10-2007-0033519 (published on Mar. 23, 2007, entitled "Vehicle speaker integrated type instrument panel").

The conventional vehicle instrument panel has a problem that sound is emitted to the outside while the speaker unit is exposed to the outside of the rear cover, and simultaneously sound is emitted to the inside of the rear cover, resulting in poor sound characteristics of the speaker unit.

In addition, since the conventional speaker unit of the instrument panel of the vehicle forms a loudspeaker inside of a predetermined space, expansion of the loudspeaker space is limited, thereby making it difficult to improve the sound quality.

Therefore, there is a need to improve this.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above-mentioned problems, and it is an object of the present invention to provide a rear cover which is extended from the rear cover to a closed- And an object of the present invention is to provide a speaker device for an instrument panel to be guided.

According to the present invention, there is provided a loudspeaker apparatus for a dashboard comprising: a speaker unit provided at an opening of a rear cover, for emitting sound; And a bass extension portion extending from the opening portion to the inside of the rear cover so as to be emitted to the front side of the speaker unit in a state in which the bass is blocked while preventing the sound emitted to the rear side of the speaker unit from being dispersed to the outside.

The sidewall extension may include a sidewall member extending inwardly from the rear cover along an edge of the opening; A blocking member closing the open end of the side wall member; And a sounding space formed inside the sidewall member corresponding to a space between a rear side of the speaker unit and the blocking member and blocking a sound emitted to the rear side of the speaker unit, The member can be set in height according to the required ringing space area of the ringing space.

The speaker unit and the sidewall members may support the speaker unit by forming support tangs to be interfaced with each other.

The loudspeaker apparatus for a dashboard according to the present invention can extend a bore area closed inside from a conventional rear cover to induce the sound to be emitted to the front side while interrupting the sound emitted to the rear side of the speaker unit.

1 is a rear view of a dashboard having a speaker device according to an embodiment of the present invention.
FIG. 2 is a sectional view showing a principal part of a speaker device for a dashboard according to an embodiment of the present invention.
3 is a partial cross-sectional view of a speaker device for a dashboard according to another embodiment of the present invention.

Embodiments of a supporter of a speaker apparatus for a dashboard according to the present invention will now be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a rear view of a dashboard having a speaker device according to an embodiment of the present invention, and FIG. 2 is a sectional view showing a main part of a speaker device for a dashboard according to an embodiment of the present invention.

1 and 2, a loudspeaker apparatus for a dashboard according to an embodiment of the present invention includes a printed circuit board 20, a speaker unit 30, an opening 40, and a bass extension 100 .

The printed circuit board 20 is mounted and fixed inside the rear cover 10 constituting the instrument panel. At this time, the rear cover 10 and the printed circuit board 20 can be deformed into various shapes.

In addition, the speaker unit 30 is electrically connected to the printed circuit board 20 and serves to transmit the sound according to an acoustic generation signal generated from an electric component of the vehicle. At this time, the speaker unit 30 is connected to the printed circuit board 20 in various ways.

The opening 40 is formed to open to the rear cover 10 so as to correspond to the speaker unit 30. That is, the speaker unit 30 is mounted on the opening 40 and then electrically connected to the printed circuit board 20.

In particular, the speaker unit 30 includes a frame 32 that forms an external shape, and a sound generation unit that is provided inside the frame 32 to receive a signal through the printed circuit board 20 to generate sound, (34).

In addition, the frame 32 includes an opening hole portion 33 so as to enable external transmission of sound to the front side and the rear side. Here, the size and number of the opening hole portions 33 are not limited.

Then, the frame 32 is detachably coupled to the rear cover 10 while being inserted into the opening portion 40. Of course, the frame 32 can be deformed into various shapes.

The sound generating section 34 includes a magnet, a diaphragm, a voice coil, and a ringing space, though not shown.

Of course, the size and number of the openings 40 are not limited.

On the other hand, the sound emitted to the opening hole portion 33 on the rear side of the frame 32 out of the sound emitted from the speaker unit 30 may leak to the inside of the instrument panel and be lost.

In order to prevent this, the rear cover 10 is provided with a telescopic extension 100.

That is, the bass extension portion 100 is provided on the rear cover 10 so as to correspond to the opening portion 40 for extending the bass extension of the speaker unit 30.

Particularly, the sounding tube expanding section 100 blocks the sound emitted to the opening hole section 33 formed on the rear side of the frame 32 from being diverted to the outside, so that the blocked sound is resonated in the sounding space section 130 And is discharged to the opening hole portion 33 formed on the front side through the opening hole portion 33 on the rear side of the cylinder.

Here, the phantom extension portion 100 includes the sidewall member 110, the blocking member 120, and the ringing space portion 130.

The sidewall member 110 is formed to extend inward of the rear cover 10 along the edge of the opening 40. At this time, the sidewall member 110 may be detachably coupled to the rear cover 10, or may be integrally formed with the rear cover 10. Further, the sidewall member 110 is assumed to have a smooth inner side surface in order to distribute the sound evenly.

In addition, the blocking member 120 is formed to cover the open end of the sidewall member 110. At this time, the blocking member 120 may be formed to be capable of opening and closing the open end of the sidewall member 110, and may be integrally formed with the sidewall member 110 so as to cover the open end of the sidewall member 110 .

In particular, the blocking member 120 has a smooth inner plate shape for even distribution of sound.

The sounding space 130 is formed in the sidewall 110 corresponding to the space between the rear side of the speaker unit 30 and the sound blocking member 120 so that the speaker unit 30 .

That is, the inside of the side wall member 110 is divided into a region for accommodating the speaker unit 30 and a region for forming the ringing space portion 130.

In addition, the height of the sidewall member 110 can be set according to the required ringing space area of the ringing space part 130. That is, the height of the side wall member 110 can be variously changed according to the performance of the speaker unit 30.

Particularly, since the sidewall member 110 itself or the rear cover 10, which integrally fabricates the sidewall member 110, is manufactured by setting the necessary space of the ringing space 130 at the time of manufacture, The ringing space part 130 of the unit 100 can be freely manufactured to have various space areas.

As a result, the sound generated by the sound generating unit 34 is reflected in the inside of the sidewall member 110, that is, in the sounding space portion 130, through the rear opening hole portion 33 of the frame 32, The sound emitted to the front side of the frame 32 is combined with the sound emitted originally toward the front side of the frame 32 so that the acoustic characteristics of the speaker unit 30 are remarkably increased .

3 is a partial cross-sectional view of a speaker device for a dashboard according to another embodiment of the present invention.

3, a speaker apparatus for a dash panel according to another embodiment of the present invention includes a printed circuit board 20, a speaker unit 30, an opening portion 40, and a bobbin extension portion 100.

The printed circuit board 20, the speaker unit 30, the opening portion 40, and the phantom extension portion 100 are replaced with those described above.

Then, the speaker unit 30 is shaken at the time of sound transmission, and the sidewall member 110 can support the speaker unit 30.

To this end, the speaker unit 30 and the sidewall member 110 form a support jaw 200 that is in contact with each other. The swinging of the speaker unit 30 is minimized by the contact of the support jaw 200 of the frame 32 of the speaker unit 30 with the support jaw 200 of the sidewall member 110. [ As a result, the durability of the speaker unit (30) mounted on the printed circuit board (20) is improved.

Particularly, the sidewall member 110 and the rear cover 10 having the support tucks 200 can be manufactured at one time, thereby improving the productivity.

The reference numerals not described are replaced with those described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: rear cover 20: printed circuit board
30: speaker unit 40:
100: extension member 110: sidewall member
120: blocking member 130: ringing space
140: Delivery hole part 200: Support jaw

Claims (3)

A speaker unit provided in an opening portion of the rear cover, for emitting sound; And a baffle extension portion extending from the opening portion to the inside of the rear cover so as to be discharged to the front side of the speaker unit in a state in which the bass is blocked while preventing the sound emitted to the rear side of the speaker unit from being dispersed to the outside,
Wherein the speaker unit includes an opening hole portion on both sides to allow negative external feeding to the front and rear sides, and a frame mounted on the opening portion,
The sound emitted to the opening hole portion formed on the rear side of the frame is prevented from being diverted to the outside from the sounding cylinder expanding portion and is guided to be emitted to the front side opening hole portion through the rear side opening hole portion in a state of resonating phenomenon Features a speaker unit for instrument panel.
[2] The apparatus according to claim 1,
A sidewall member extending inwardly from the rear cover along an edge of the opening;
A blocking member closing the open end of the side wall member; And
And a sounding space formed inside the sidewall member corresponding to a space between the rear side of the speaker unit and the blocking member and blocking sound emitted toward the rear side of the speaker unit,
Wherein the sidewall member is set to have a height according to a required sounding space area of the sounding space portion.
3. The method of claim 2,
Wherein the speaker unit and the sidewall member support the speaker unit by forming a supporting step to be in contact with each other.
KR1020150149608A 2015-10-27 2015-10-27 Speaker of cluster for automobile KR101642890B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150149608A KR101642890B1 (en) 2015-10-27 2015-10-27 Speaker of cluster for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150149608A KR101642890B1 (en) 2015-10-27 2015-10-27 Speaker of cluster for automobile

Publications (1)

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KR101642890B1 true KR101642890B1 (en) 2016-07-26

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KR1020150149608A KR101642890B1 (en) 2015-10-27 2015-10-27 Speaker of cluster for automobile

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010066476A (en) * 1999-12-31 2001-07-11 이계안 reflex speaker system for automobile door
JP2001310653A (en) * 2000-04-28 2001-11-06 Nissan Shatai Co Ltd Instrument panel with speaker
KR20090055667A (en) * 2007-11-29 2009-06-03 현대자동차주식회사 Speaker apparatus inside of cluster
KR20110093119A (en) * 2010-02-11 2011-08-18 덴소풍성전자(주) Speaker apparatus for cluster of vechicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010066476A (en) * 1999-12-31 2001-07-11 이계안 reflex speaker system for automobile door
JP2001310653A (en) * 2000-04-28 2001-11-06 Nissan Shatai Co Ltd Instrument panel with speaker
KR20090055667A (en) * 2007-11-29 2009-06-03 현대자동차주식회사 Speaker apparatus inside of cluster
KR20110093119A (en) * 2010-02-11 2011-08-18 덴소풍성전자(주) Speaker apparatus for cluster of vechicle

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