KR20000010159A - Antivibrating mechanism for tv built-in speaker - Google Patents
Antivibrating mechanism for tv built-in speaker Download PDFInfo
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- KR20000010159A KR20000010159A KR1019980030915A KR19980030915A KR20000010159A KR 20000010159 A KR20000010159 A KR 20000010159A KR 1019980030915 A KR1019980030915 A KR 1019980030915A KR 19980030915 A KR19980030915 A KR 19980030915A KR 20000010159 A KR20000010159 A KR 20000010159A
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- South Korea
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- speaker
- sound
- cabinet
- built
- case
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- 239000011358 absorbing material Substances 0.000 claims abstract description 14
- 230000035939 shock Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/655—Construction or mounting of chassis, e.g. for varying the elevation of the tube
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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
- H04R1/20—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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
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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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Description
본 발명은 티브이용 내장 스피커의 진동방지구조에 관한 것으로, 특히 스피커를 텔레비젼에 장착시 스피커에서 발생되는 진동이 브라운관으로 전달되어 하울링이 일어나는 것을 방지할 수 있는 티브이용 내장 스피커의 진동방지구조에 관한 것이다.The present invention relates to an anti-vibration structure of a built-in speaker for TV, and more particularly, to an anti-vibration structure of a built-in speaker for TV that can prevent howling from occurring when vibration is generated from the speaker when the speaker is mounted on a television. will be.
일반적으로 티브이용 내장 스피커(1)는 도 1에 도시한 바와 같이, 사용자에게 영상을 보여 주는 브라운관(미도시)의 양측에 설치되는데, 상기 브라운관은 텔레비젼의 몸체를 이루는 캐비닛(Cabinet)(2)의 일단부에 결합 설치된다.In general, the TV built-in speaker 1, as shown in Figure 1, is installed on both sides of the CRT (not shown) showing the image to the user, the CRT (cabinet) forming the body of the TV (Cabinet) (2) It is coupled to one end of the installation.
그리고 상기 캐비닛(2)의 일단부에는 스피커에서 발생하는 음을 캐비닛(2) 외부로 전달하도록 미세한 음방출구(2a)를 다수개 관통 형성하고, 상기 음방출구(2a)의 둘레에는 스피커 프레임(1a)에 캐비닛 리브(2b)를 결합하여 스피커(1)에서 발생된 음이 음방출구(2a) 이외로 유출되는 것을 방지해 준다.One end of the cabinet 2 is formed with a plurality of fine sound emitting openings 2a penetrating through the cabinet so as to transmit sound generated from the speaker to the outside of the cabinet 2, and around the sound emitting openings 2a around the speaker frame 1a. By coupling the cabinet ribs 2b), the sound generated from the speaker 1 is prevented from leaking out of the sound discharge opening 2a.
상기한 바와 같이 결합된 스피커(1)는 전기적인 진동을 음의 진동으로 변화시켜 캐비닛(2)에 형성된 음방출구(2a)를 통해 캐비닛(2) 외부로 내보내게 되어 이 음을 청취자가 듣게 되는 것이다.The speaker 1 coupled as described above changes the electrical vibration to the vibration of the sound to be sent out to the outside of the cabinet 2 through the sound outlet 2a formed in the cabinet 2 so that the listener hears the sound. will be.
그러나, 종래 기술에 의한 스피커(1)의 결합구조는 스피커(1)가 전기적인 진동을 받아 음을 발생시켜 캐비닛(2)에 형성된 음방출구(2a)로 직진음이 방사되는 것으로, 직진음을 제외한 음파는 캐비닛(1)에 반사되거나 와류가 발생하여 캐비닛(1)에 심한 진동을 부여하고, 아울러 상기 캐비닛(1)에 결합 설치된 브라운관에 진동 전달이 이루어져 화면 떨림 현상인 하울링이 발생하는 문제점이 있었다.However, the coupling structure of the speaker 1 according to the related art is that the speaker 1 receives electrical vibration to generate sound, and the straight sound is radiated to the sound discharge opening 2a formed in the cabinet 2. Except the sound waves are reflected on the cabinet (1) or vortex occurs to give a severe vibration to the cabinet (1), and the vibration is transmitted to the CRT installed in the cabinet (1) is a problem that howling, which is a screen shaking phenomenon occurs there was.
이에 본 발명은 상술한 종래의 문제점을 해결하기 위하여 안출된 것으로, 스피커의 방사음이 캐비닛의 외부로 방사될 때 와류나 반사에 의해 브라운관에 전달되는 진동을 최소화하여 브라운관의 하울링을 방지하기 위한 티브이용 내장 스피커의 진동방지구조를 제공하는데 그 목적이 있다.Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and minimizes the vibration transmitted to the CRT by vortex or reflection when the radiating sound of the speaker is radiated to the outside of the cabinet to prevent howling of the CRT. The purpose is to provide an anti-vibration structure of the built-in speaker.
도 1은 종래 기술에 의한 티브이용 내장 스피커의 결합구조를 보인 횡단면도.1 is a cross-sectional view showing a coupling structure of a built-in speaker for a TV according to the prior art.
도 2는 본 발명에 의한 티브이용 내장 스피커의 결합구조를 보인 횡단면도.Figure 2 is a cross-sectional view showing a coupling structure of the built-in speaker for TV according to the present invention.
** 도면의 주요부분에 대한 부호의 설명 **** Explanation of symbols for main parts of drawings **
10 ; 스피커 11 ; 스피커 케이스10; Speaker 11; Speaker case
12 ; 커버 13 ; 덕트12; Cover 13; duct
20 ; 캐비닛 21 ; 음방출구20; Cabinet 21; Sound outlet
22 ; 캐비닛 리브 23 ; 보스22; Cabinet rib 23; boss
31 ; 흡음재 32,33 ; 완충부재31; Sound absorbing materials 32,33; Buffer member
따라서 본 발명은 상기와 같은 본 고안의 목적을 달성하기 위하여, 스피커의 전면에 설치된 캐비닛에 다수개의 음방출구를 형성하고, 상기 스피커의 외측에는 스피커에서 방사되는 음을 캐비닛의 외부로 유도하기 위한 스피커 케이스를 캐비닛에 결합 설치하며, 상기 스피커 케이스의 후방에는 스피커의 후방을 밀폐시켜 주는 후방 커버를 결합 설치하고, 상기 스피커의 전면 양측에는 스피커에서 방사된 음파가 음방출구로 방사될 때 캐비닛에 충돌하여 반사되거나 와류가 형성된 음압을 흡수하기 위한 흡음재를 구비하며, 상기 각각의 흡음재의 후방에는 흡음재에 의해 흡입된 음압을 스피커 케이스 내부로 유입시켜 공기의 완충작용을 할 수 있도록 덕트를 설치하는 것을 특징으로 하는 티브이용 내장 스피커의 진동방지구조를 제공한다.Therefore, in order to achieve the object of the present invention as described above, a plurality of sound emitting outlets are formed in a cabinet installed at the front of the speaker, and the speaker for guiding the sound radiated from the speaker to the outside of the speaker outside the speaker. The case is coupled to the cabinet, and the rear of the speaker case is coupled to the rear cover for sealing the rear of the speaker, the front and both sides of the speaker when the sound waves radiated from the speaker is emitted to the sound exit exit the cabinet Sound absorbing material for absorbing the sound pressure reflected or vortex formed, and each of the sound absorbing material is installed in the rear of the sound absorbing material by the sound absorbing material into the speaker case to install a duct to cushion the air It provides an anti-vibration structure of the built-in speaker for TV.
이하, 본 발명에 의한 티브이용 내장 스피커의 진동방지구조에 대한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다.Hereinafter, an embodiment of a vibration preventing structure of a built-in speaker for a TV according to the present invention will be described with reference to the accompanying drawings.
본 발명에 의한 스피커(10)는 도 3에 도시한 바와 같이, 텔레비젼 몸체를 이루는 캐비닛(20)의 내측에 결합 설치하는데, 이때 상기 스피커(10)의 외측에는 스피커(10)를 고정하며 스피커(10)에서 방사되는 음을 캐비닛(20)의 외부로 유도하기 위한 스피커 케이스(11)가 캐비닛 보스(21)에 체결나사(B)로 결합 설치되고, 상기 스피커 케이스(11)의 후방에는 스피커(10)의 후방을 밀폐시켜 주는 후방 커버(12)가 결합 설치된다.Speaker 10 according to the present invention, as shown in Figure 3, coupled to the inside of the cabinet 20 constituting the television body, wherein the speaker 10 is fixed to the outside of the speaker 10 and the speaker ( A speaker case 11 for guiding the sound radiated from the cabinet 10 to the outside of the cabinet 20 is installed to be coupled to the cabinet boss 21 by a fastening screw B, and to the rear of the speaker case 11, a speaker ( The rear cover 12 which seals the rear of the 10) is installed in combination.
그리고 상기 스피커(10)에서 발생한 음파가 캐비닛(20) 외부로 방출되도록 스피커(10)에 대응되는 위치의 캐비닛(20)에는 다수개의 음방출구(21)를 관통 형성하고, 상기 음방출구(21)의 둘레에는 스피커 케이스(11)를 캐비닛 리브(22)에 결합하여 스피커(10)에서 발생된 음이 음방출구(21) 이외로 유출되는 것을 방지해 준다.In addition, a plurality of sound outlets 21 are formed in the cabinet 20 at a position corresponding to the speaker 10 so that sound waves generated from the speaker 10 are emitted to the outside of the cabinet 20. The circumference of the speaker case 11 is coupled to the cabinet rib 22 to prevent the sound generated from the speaker 10 to flow out of the sound discharge port 21.
또한, 상기 스피커(10)의 전면(前面) 양측에는 스피커(10)에서 방사된 음파가 캐비닛(20)으로 방사될 때 와류나 반사 현상에 의해 발생하는 음압을 흡수하기 위한 스펀지 등의 흡음재(31)를 구비하고, 상기 각각의 흡음재의 후방에는 흡음재에 의해 흡입된 음압을 스피커 케이스(11) 내부로 유입시켜 공기와의 완충작용을 할 수 있도록 덕트(13)를 설치한다.In addition, sound absorbing materials 31, such as a sponge, for absorbing sound pressure generated by vortex or reflection phenomenon when sound waves radiated from the speaker 10 are radiated to the cabinet 20 on both sides of the front surface of the speaker 10. And a duct 13 is installed at the rear of each sound absorbing material so that the sound pressure sucked by the sound absorbing material is introduced into the speaker case 11 to cushion the air.
한편, 상기 스피커(10)와 캐비닛(20) 사이에는 스피커 케이스(11)와 캐비닛 리브(22)의 접촉시 음압에 의한 진동 전달을 감소시켜 주도록 고무로 이루어진 완충부재(32)를 결합 설치하고, 체결나사(B)에 의해 상기 스피커 케이스(11)와 캐비닛 보스(23)가 결합된 부위에도 완충부재(33)를 개재하여 스피커(10)에서 방사된 음압에 의한 진동이 캐비닛(20)에 전달되는 것을 감소시켜 준다.On the other hand, between the speaker 10 and the cabinet 20 is coupled to the shock absorbing member 32 made of rubber to reduce the transmission of vibration due to the sound pressure when the speaker case 11 and the cabinet rib 22 in contact, Vibration due to sound pressure radiated from the speaker 10 is transmitted to the cabinet 20 through the shock absorbing member 33 even at a portion where the speaker case 11 and the cabinet boss 23 are coupled by the fastening screw B. It reduces your chances.
상기와 같이 구성된 본 발명의 티브이용 내장 스피커의 진동방지구조에 대한 작용을 설명하면 다음과 같다.Referring to the operation of the anti-vibration structure of the TV built-in speaker of the present invention configured as described above are as follows.
스피커(10)로부터 방사되는 전면음은 전면음통로(14)를 따라 진행할 때 상기 캐비닛(20)의 전면에 충돌하여 반사되는 반사음과 회절음을 제외한 직진음만이 캐비닛(20)에 형성된 음방출구(21)를 통해 외부로 방사된다.When the front sound emitted from the speaker 10 travels along the front sound path 14, only the sound of the rectilinear sound except the reflection sound and the diffraction sound reflected by the front surface of the cabinet 20 is reflected in the cabinet 20. It is radiated outward through 21.
이때, 상기 전면음통로(14)의 단면적은 스피커(10)의 진동판 면적에 비해 넓게 되어 있지만, 실제 음방출구(21)의 개구율은 적은 상태이므로 전면음의 반사 및 회절 현상이 심화되고, 이 반사 및 회절 현상으로 인해 내부 공기가 와류되어 내압이 상승하게 된다.At this time, the cross-sectional area of the front sound path 14 is wider than the diaphragm area of the speaker 10, but since the aperture ratio of the actual sound emission port 21 is small, the reflection and diffraction of the front sound are intensified. And due to the diffraction phenomenon, the internal air is vortexed to increase the internal pressure.
이와 같이 상승된 음압은 스피커(10)의 양측에 설치된 덕트(13)를 통해 스피커 케이스(11) 내부로 유입되어 공기와의 완충작용을 통해 캐비닛(20)에 전달되는 진동을 상쇄시킨다.The increased sound pressure is introduced into the speaker case 11 through the ducts 13 installed on both sides of the speaker 10, and cancels the vibration transmitted to the cabinet 20 through a buffer effect with air.
또한, 상기 덕트(13)의 전면에 부착된 다공질 흡음재(31)는 저음, 즉 캐비닛(20)의 고유진동수와 일치하는 주파수인 약 100∼350Hz 전후인 음파가 음방출구(21)의 개구율이 적음에 의해 일어나는 와류현상에 의해 발생하는 음압을 흡수하게 되고, 이와 같이 흡입된 음압은 덕트(13)를 통해 스피커 케이스(11) 내부로 유입되어 완충된다.In addition, the porous sound absorbing material 31 attached to the front surface of the duct 13 has low aperture, that is, the sound wave of about 100 to 350 Hz around the frequency corresponding to the natural frequency of the cabinet 20 has a small opening ratio of the sound emission port 21. Absorb the sound pressure generated by the eddy current caused by the vortex phenomenon, and the sucked sound pressure is introduced into the speaker case 11 through the duct 13 and buffered.
한편, 스피커 케이스(11)와 캐비닛 리브(22) 사이에 부착된 완충부재(32) 및 스피커 케이스(11)와 캐비닛 보스(23) 사이에 개재된 삽입형 완충부재(33)에 의해서 스피커(10)에서 방사된 음압이 스피커 케이스(11)를 통해 캐비닛(20)에 전달되는 진동을 감소시켜 준다.On the other hand, the speaker 10 by the shock absorbing member 32 attached between the speaker case 11 and the cabinet rib 22 and the insertion type shock absorbing member 33 interposed between the speaker case 11 and the cabinet boss 23. Sound pressure emitted from the reduce the vibration transmitted to the cabinet 20 through the speaker case (11).
이와 같이 캐비닛(20)에 전달되는 진동이 감소하면, 캐비닛(20)의 일단부에 결합 설치된 브라운관에의 진동을 저감시킬 수 있게 되고, 따라서 브라운관의 하울링을 방지할 수 있게 된다.As such, when the vibration transmitted to the cabinet 20 is reduced, the vibration to the CRT coupled to one end of the cabinet 20 can be reduced, thereby preventing the howling of the CRT.
이상에서 설명한 바와 같이, 본 발명에 의한 티브이용 내장 스피커의 진동방지구조는 스피커의 방사음이 음방출구를 통해 외부로 방사될 때 직진음을 제외한 음파가 캐비닛에 반사되거나 와류가 형성되어 진동을 발생시키는 것을 방지하여 브라운관에 하울링이 발생하는 것을 방지하는 효과가 있다.As described above, the vibration preventing structure of the built-in speaker for the TV according to the present invention, when the sound emitted from the speaker is radiated to the outside through the sound discharge port, the sound waves except the straight sound is reflected on the cabinet or vortex is generated to generate vibration It is effective to prevent howling from occurring in the CRT.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980030915A KR100273435B1 (en) | 1998-07-30 | 1998-07-30 | Structure for preventing vibration of speaker equipped in television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980030915A KR100273435B1 (en) | 1998-07-30 | 1998-07-30 | Structure for preventing vibration of speaker equipped in television |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000010159A true KR20000010159A (en) | 2000-02-15 |
| KR100273435B1 KR100273435B1 (en) | 2000-12-15 |
Family
ID=19545830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980030915A KR100273435B1 (en) | 1998-07-30 | 1998-07-30 | Structure for preventing vibration of speaker equipped in television |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100273435B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710300B1 (en) * | 2005-04-26 | 2007-04-23 | 엘지전자 주식회사 | Speak assembly for video display device |
| KR100882080B1 (en) * | 2007-05-29 | 2009-02-10 | 최성국 | Speaker housing and constitution of speaker system which improved sound absorption |
-
1998
- 1998-07-30 KR KR1019980030915A patent/KR100273435B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710300B1 (en) * | 2005-04-26 | 2007-04-23 | 엘지전자 주식회사 | Speak assembly for video display device |
| KR100882080B1 (en) * | 2007-05-29 | 2009-02-10 | 최성국 | Speaker housing and constitution of speaker system which improved sound absorption |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100273435B1 (en) | 2000-12-15 |
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