KR100961073B1 - Ceiling-buried fluorescent lamp implement withspeaker being installed - Google Patents

Ceiling-buried fluorescent lamp implement withspeaker being installed Download PDF

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Publication number
KR100961073B1
KR100961073B1 KR1020080041201A KR20080041201A KR100961073B1 KR 100961073 B1 KR100961073 B1 KR 100961073B1 KR 1020080041201 A KR1020080041201 A KR 1020080041201A KR 20080041201 A KR20080041201 A KR 20080041201A KR 100961073 B1 KR100961073 B1 KR 100961073B1
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South Korea
Prior art keywords
speaker
glass cover
ceiling
built
fluorescent lamp
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KR1020080041201A
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Korean (ko)
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KR20090115369A (en
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허승효
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주식회사 알토
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
    • F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Abstract

본 발명은 스피커를 간단하게 착탈할 수 있어서 조립 및 유지관리가 용이하며, 형광등에서 발열되는 열에 의해 스피커가 보호되도록 보호캡을 구성함으로써 스피커의 수명연장 및 기능을 향상시킬 수 있도록 한 스피커가 내장된 천장매입형 형광등에 관한 것이다.The present invention can be easily detached and easy to assemble and maintain the speaker, the speaker is built to protect the speaker from the heat generated by the fluorescent lamp to extend the life and function of the speaker is built-in speaker It relates to a ceiling-mounted fluorescent lamp.

본 발명의 주요 특징은,The main features of the present invention,

스피커가 내장된 천장매입형 형광등기구로서,Ceiling mounted fluorescent light fixture with built-in speaker,

형광등 케이스 내에 고정되며, 내부에 스피커가 내장되는 보호커버; 상기 보호커버의 밑면에 위치되며, 상기 스피커의 플랜지, 보호커버와 함께 나사 체결되는 고정캡; 상기 고정캡의 내부에 나사 조립되며, 내부에는 다공판이 내장되고, 유리덮개를 지지하는 지지캡; 상기 고정캡과 유리덮개 사이에 개입되어 유리덮개의 윗면을 보호하는 제1보호부재; 상기 지지캡과 유리덮개 사이에 개입되어 유리덮개의 밑면을 보호하는 제2보호부재; 및 상기 보호커버의 내면에 설치되는 단열재;를 포함한다.A protective cover fixed in the fluorescent lamp case and having a speaker built therein; A fixing cap positioned on the bottom of the protective cover and screwed together with a flange of the speaker and a protective cover; A screw is assembled in the fixing cap, a porous plate therein, the support cap for supporting the glass cover; A first protective member interposed between the fixing cap and the glass cover to protect an upper surface of the glass cover; A second protective member interposed between the support cap and the glass cover to protect the bottom of the glass cover; And an insulating material installed on an inner surface of the protective cover.

스피커, 형광등 기구, 스피커가 내장된 천장매입형 형광등기구 Speaker, Fluorescent Light Fixture, Ceiling Mounted Fluorescent Light Fixture with Built-in Speaker

Description

스피커가 내장된 천장매입형 형광등기구{Ceiling-buried fluorescent lamp implement withspeaker being installed}Ceiling-buried fluorescent lamp implement withspeaker being installed}

본 발명은 스피커가 내장된 천장매입형 형광등기구에 관한 것이다.The present invention relates to a ceiling-mounted fluorescent lamp fixture with a built-in speaker.

더 상세하게는 스피커를 간단하게 착탈할 수 있어서 조립 및 유지관리가 용이하며, 형광등에서 발열되는 열에 의해 스피커가 보호되도록 보호캡을 구성함으로써 스피커의 수명연장 및 기능을 향상시킬 수 있도록 한 스피커가 내장된 천장매입형 형광등에 관한 것이다.More specifically, the speaker can be easily attached and detached to facilitate assembly and maintenance, and a speaker is built in to extend the life and function of the speaker by configuring a protective cap to protect the speaker from heat generated from fluorescent lamps. To a ceiling mounted fluorescent lamp.

주지하듯이 실내를 조명하는 형광등은 주로 천장에 설치되는 것으로서, 이러한 형광등은 천장면에 설치되거나 또는 천장면에 매입되게 설치되기도 한다.As is well known, fluorescent lamps illuminating the room are mainly installed on the ceiling, and such fluorescent lamps may be installed on the ceiling or embedded in the ceiling.

특히, 상기한 천장매입형 형광등의 종래 구조를 일예를 들어 살펴보면, 천장 내부로 매설되는 바디를 구비하고, 바디의 내부에는 형광등의 빛을 반사토록 하는 반사갓이 설치되며, 상기 바디의 내부 양측면에는 각각 형광램프가 고정되는 소켓이 설치되어 있다.In particular, when looking at the conventional structure of the ceiling-mounted fluorescent lamp as an example, it has a body embedded in the ceiling, the inside of the body is provided with a reflection shade to reflect the light of the fluorescent lamp, each of the inner both sides of the body The socket to which the fluorescent lamp is fixed is installed.

또한, 상기 바디의 개구부에는 내부에 체결되는 형광램프를 보호토록 하는 격자형의 보호커버를 갖추고 있되, 이 보호커버도 여러 가지 형태가 있다 할 것이나 대체적으로 양측에 격자판이 형성되고 중심부에는 내부의 관련부품이 보이지 않도록 하는 다공판으로 되어 있다.In addition, the opening of the body is provided with a lattice-shaped protective cover for protecting the fluorescent lamp fastened therein, the protective cover may also have a variety of forms, but generally the grid is formed on both sides and the center of the inner associated It is made of a perforated plate which makes the parts invisible.

따라서, 상기한 형광등기구가 천장면에 매입되게 설치되며, 바디의 플랜지와 보호커버만이 외부로 노출되는 상태이므로 천장면이 깨끗하고 정돈된 느낌을 주게 되는 것이다.Therefore, the above-described fluorescent light fixture is installed to be embedded in the ceiling surface, and only the flange and the protective cover of the body are exposed to the outside, so that the ceiling surface is clean and tidy.

한편, 사무실이나 아파트와 같은 공동주택의 천장에는 상기한 형광등기구 뿐만 아니라 안내방송을 위한 스피커가 설치된다.On the other hand, the ceiling of the apartment, such as an office or an apartment is provided with a speaker for announcement as well as the above-described fluorescent lighting fixtures.

이러한 스피커는 실내의 천장면, 벽면 등의 소정위치에 노출되게 설치되거나 또는 천장면에 매입되게 설치되는 것이나, 이는 형광등기구와는 별도의 설치공간이 요구됨으로써 설치성 및 공간성이 좋지 못한 문제점이 있을 뿐만 아니라, 이에 따른 비용부담도 증가되는 등의 문제점이 있었다.Such a speaker is installed to be exposed to a predetermined position such as a ceiling surface or a wall surface of the room, or is installed to be embedded in the ceiling surface. In addition, there was a problem such as increased cost burden accordingly.

즉, 상기한 스피커와 형광등기구는 각각 실내의 천장면에 설치되는 것이나, 이들은 천장면에 각각의 설치공간을 가지면서 분리되게 별도로 설치되는 것이기 때문에 상기한 문제점이 야기되는 것이다.That is, the speaker and the fluorescent light fixture are each installed on the ceiling surface of the room, but these are caused by the above problems because they are separately installed while having each installation space on the ceiling surface.

이에, 본 발명은 상기와 같은 종래의 문제점을 해결하기 위해 안출한 것으로서, 본 발명의 주요 목적은 스피커를 간단하게 착탈할 수 있어서 조립 및 유지관리가 용이하며, 형광등에서 발열되는 열에 의해 스피커가 보호되도록 보호캡을 구성함으로써 스피커의 수명연장 및 기능을 향상시킬 수 있도록 한 스피커가 내장된 천장매입형 형광등을 제공함에 있다.Accordingly, the present invention has been made to solve the conventional problems as described above, the main object of the present invention is that the speaker can be easily removable, easy to assemble and maintain, the speaker is protected by heat generated from fluorescent light It is to provide a ceiling-mounted fluorescent lamp with a built-in speaker to extend the life and function of the speaker by configuring a protective cap as possible.

상기 목적을 달성하기 위한 본 발명은,The present invention for achieving the above object,

스피커가 내장된 천장매입형 형광등기구로서,Ceiling mounted fluorescent light fixture with built-in speaker,

형광등 케이스 내에 고정되며, 내부에 스피커가 내장되는 보호커버;상기 보호커버의 밑면에 위치되며, 상기 스피커의 플랜지, 보호커버와 함께 나사 체결되는 고정캡; 상기 고정캡의 내부에 나사 조립되며, 내부에는 다공판이 내장되고, 유리덮개를 지지하는 지지캡; 상기 고정캡과 유리덮개 사이에 개입되어 유리덮개의 윗면을 보호하는 제1보호부재; 상기 지지캡과 유리덮개 사이에 개입되어 유리덮개의 밑면을 보호하는 제2보호부재; 및 상기 보호커버의 내면에 설치되는 단열재;를 포함한다.A protective cover fixed in the fluorescent lamp case and having a speaker built therein; A screw is assembled in the fixing cap, a porous plate therein, the support cap for supporting the glass cover; A first protective member interposed between the fixing cap and the glass cover to protect an upper surface of the glass cover; A second protective member interposed between the support cap and the glass cover to protect the bottom of the glass cover; And an insulating material installed on an inner surface of the protective cover.

또한, 본 발명에서 제1보호부재와 제2보호부재는 합성수지 또는 러버와 같이 연성재질로 되는 것이 바람직하다.In addition, in the present invention, the first protective member and the second protective member are preferably made of a soft material such as synthetic resin or rubber.

삭제delete

본 발명은 스피커를 간단하게 착탈할 수 있어서 조립 및 유지관리가 용이하며, 형광등에서 발열되는 열에 의해 스피커가 보호되도록 보호캡을 구성함으로써 스피커의 수명연장 및 기능을 향상시킬 수 있다.The present invention can be easily detached and easy to assemble and maintain the speaker, it is possible to improve the lifespan and function of the speaker by configuring a protective cap to protect the speaker by the heat generated from the fluorescent lamp.

본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 후술되어 있는 실시예들을 참조하면 명확해 질 것이다.Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in conjunction with the accompanying drawings.

본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시예들은 본 발명의 개시가 완전하도록 하고, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다.The present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, only the embodiments are to make the disclosure of the present invention complete, and the common knowledge in the art to which the present invention belongs It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims.

첨부된 도 1은 본 발명의 분해사시도이고, 도 2는 본 발명의 결합사시도이며, 도 3은 본 발명의 결합상태 종단면도이다.1 is an exploded perspective view of the present invention, Figure 2 is a perspective view of the combination of the present invention, Figure 3 is a longitudinal cross-sectional view of the coupled state of the present invention.

본 발명은 첨부된 도면에서 보듯이, 천장매입형 형광등기구에 스피커를 내장한 것으로서,The present invention, as shown in the accompanying drawings, is a speaker embedded in the ceiling-mounted fluorescent light fixture,

형광등 케이스(1) 내에 고정되며, 내부에 스피커(3)가 내장되는 보호커버(10)와; 상기 보호커버(10)의 밑면에 위치되며, 상기 스피커(3)의 고정 플랜 지(3a), 보호커버(10)와 함께 나사로서 체결되는 고정캡(20)과; 상기 고정캡(20)의 내부에 나사 조립되며, 내부에는 다공판(5)이 안착되고, 유리덮개(2)를 지지하는 지지캡(30)과; 상기 고정캡(20)과 유리덮개(2) 사이에 개입되어 유리덮개(2)의 윗면을 보호하는 제1보호부재(40)와; 상기 지지캡(30)과 유리덮개(2) 사이에 개입되어 유리덮개(2)의 밑면을 보호하는 제2보호부재(50);로 구성된다.A protective cover 10 fixed in the fluorescent lamp case 1 and having a speaker 3 therein; A fixed cap 20 positioned on a bottom surface of the protective cover 10 and fastened as a screw together with a fixed flange 3a of the speaker 3 and a protective cover 10; A screw cap assembled to the inside of the fixing cap 20 and having a perforated plate 5 seated therein and supporting the glass cover 2; A first protective member 40 interposed between the fixing cap 20 and the glass cover 2 to protect the upper surface of the glass cover 2; And a second protective member 50 interposed between the support cap 30 and the glass cover 2 to protect the bottom surface of the glass cover 2.

상기 보호커버(10)는 컵(cup)형으로 되며, 내부에 스피커(3)가 내장될 수 있도록 공간부가 마련된다. 또한, 상기 보호커버(10)의 윗단에는 외향으로 절곡된 플랜지부(12)가 형성되고, 이 플랜지부(12)는 상기 형광등 케이스(1)의 윗면에 나사 고정된다. 또한, 상기 보호커버(10)의 밑면에는 상기 스피커(3)가 노출될 수 있도록 개구부(14)가 마련된다.The protective cover 10 has a cup shape, and a space portion is provided to allow the speaker 3 to be embedded therein. In addition, a flange portion 12 bent outward is formed at an upper end of the protective cover 10, and the flange portion 12 is screwed to an upper surface of the fluorescent lamp case 1. In addition, an opening 14 is provided at the bottom of the protective cover 10 to expose the speaker 3.

이때, 상기 보호커버(10)는 형광등(4)과 인접해 있기 때문에 형광등으로 부터 기인되는 열이 전도되어 스피커에 전달될 우려가 있으므로 보호커버(10)의 내면에 단열재(16)가 구비되는 것이 바람직하다.In this case, since the protective cover 10 is adjacent to the fluorescent lamp 4, heat may be transferred from the fluorescent lamp to the speaker, so that the heat insulating material 16 is provided on the inner surface of the protective cover 10. desirable.

상기 고정캡(20)은 보호커버(10)의 밑면에 위치하고 있고, 상단에는 외향으로 절곡되어 상기 스피커(3)의 고정 플랜지(3a)와 상기 보호커버(10)의 밑면과 함께 나사로서 체결되는 플랜지부(22)가 마련된다. 또한, 상기 고정캡(20)의 내면에는 상기 지지캡(30)과 나사 결합되기 위한 암탭(24)이 형성되어 있다.The fixing cap 20 is located at the bottom of the protective cover 10, the upper end is bent outwardly is fastened as a screw together with the fixing flange (3a) of the speaker 3 and the bottom of the protective cover (10) The flange portion 22 is provided. In addition, an inner surface of the fixing cap 20 is formed with a female tab 24 for screwing the support cap 30.

상기 지지캡(30)은 다공판(5)과 유리덮개(2)를 지지하는 역할을 하는 것으로 서, 외면에 상기 고정캡(20)의 암탭(24)에 나사 결합되기 위한 숫탭(32)이 형성되고, 내면에는 상기 다공판(5)이 안착되도록 걸림턱(34)이 형성되며, 하단에는 상기 유리덮개(2)의 개구부(2a) 주변을 지지하도록 플랜지부(36)가 형성되어 있다.The support cap 30 serves to support the porous plate 5 and the glass cover 2, the male tab 32 for screwing to the female tab 24 of the fixing cap 20 on the outer surface It is formed, the engaging projection 34 is formed so that the porous plate 5 is seated on the inner surface, the flange portion 36 is formed at the lower end to support around the opening (2a) of the glass cover (2).

한편, 상기 고정캡(20)이나 지지캡(30)은 상호간 결속을 위해 탭이 형성되고 타 부품을 지지해야 하는 관계로 적정의 강도를 가져야 하는 만큼 금속이나 고강도 플라스틱 소재로 제작된다. 때문에 고정캡(20)이나 지지캡(30)을 결합하는 과정에서 유리덮개(2)가 파손될 우려가 있으므로 이를 방지하기 위해서는 이들 캡과 유리덮개(2) 사이에 유리덮개를 보호하기 위한 보호수단이 필요하다.On the other hand, the fixing cap 20 or the support cap 30 is made of metal or high-strength plastic material as long as the tab is formed for mutual binding and have to have a proper strength in order to support other components. Therefore, in order to prevent the glass cover (2) in the process of combining the fixed cap 20 or the support cap 30, there is a risk that the protection means for protecting the glass cover between the cap and the glass cover (2) need.

따라서, 상기 제1보호부재(40)와 제2보호부재(50)가 필요한 것이다.Therefore, the first protective member 40 and the second protective member 50 is required.

상기 제1보호부재(40)는 상기 고정캡(20)과 유리덮개(2) 사이에 개입되어 유리덮개(2)의 윗면을 보호하는 것이고, 제2보호부재(50)는 상기 지지캡(30)과 유리덮개(2) 사이에 개입되어 유리덮개(2)의 밑면을 보호하게 된다.The first protective member 40 is interposed between the fixing cap 20 and the glass cover 2 to protect the upper surface of the glass cover 2, the second protective member 50 is the support cap 30 ) Is interposed between the glass cover 2 and the bottom surface of the glass cover 2.

이때, 상기 각 보호부재(40,50)의 재질은 유리덮개(2)를 완충시킬 수 있도록 연질부재, 예컨대 러버나 연질 합성수지, 실리콘 중 어느 하나로 되는 것이 바람직하다.At this time, the material of each of the protective members (40, 50) is preferably made of any one of a soft member, such as rubber, soft synthetic resin, silicon to buffer the glass cover (2).

도 1은 본 발명의 분해사시도1 is an exploded perspective view of the present invention

도 2는 본 발명의 결합사시도Figure 2 is a perspective view of the combination of the present invention

도 3은 본 발명의 결합상태 종단면도Figure 3 is a longitudinal cross-sectional view of the coupled state of the present invention

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 보호커버 20 : 고정캡10: protective cover 20: fixed cap

30 : 지지캡 40 : 제1보호부재30: support cap 40: first protective member

50 : 제2보호부재50: second protective member

Claims (3)

스피커가 내장된 천장매입형 형광등기구로서,Ceiling mounted fluorescent light fixture with built-in speaker, 형광등 케이스 내에 고정되며, 내부에 스피커가 내장되는 보호커버;A protective cover fixed in the fluorescent lamp case and having a speaker built therein; 상기 보호커버의 밑면에 위치되며, 상기 스피커의 플랜지, 보호커버와 함께 나사 체결되는 고정캡;A fixing cap positioned on the bottom of the protective cover and screwed together with a flange of the speaker and a protective cover; 상기 고정캡의 내부에 나사 조립되며, 내부에는 다공판이 내장되고, 유리덮개를 지지하는 지지캡;A screw is assembled in the fixing cap, a porous plate therein, the support cap for supporting the glass cover; 상기 고정캡과 유리덮개 사이에 개입되어 유리덮개의 윗면을 보호하는 제1보호부재;A first protective member interposed between the fixing cap and the glass cover to protect an upper surface of the glass cover; 상기 지지캡과 유리덮개 사이에 개입되어 유리덮개의 밑면을 보호하는 제2보호부재; 및A second protective member interposed between the support cap and the glass cover to protect the bottom of the glass cover; And 상기 보호커버의 내면에 설치되는 단열재;Insulation material installed on the inner surface of the protective cover; 를 포함하는 것을 특징으로 하는 스피커가 내장된 천장매입형 형광등기구.Ceiling-embedded fluorescent light fixture with a built-in speaker comprising a. 제1항에 있어서,The method of claim 1, 상기 제1보호부재와 제2보호부재는 합성수지 또는 러버와 같이 연성재질로 된 것을 특징으로 하는 스피커가 내장된 천장매입형 형광등기구.The first protection member and the second protection member is a ceiling-mounted fluorescent lamp fixture with a built-in speaker, characterized in that the soft material such as synthetic resin or rubber. 삭제delete
KR1020080041201A 2008-05-02 2008-05-02 Ceiling-buried fluorescent lamp implement withspeaker being installed KR100961073B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200330062Y1 (en) * 2003-07-23 2003-10-11 (주)라이테크 Ceiling-buried fluorescent lamp implement with speaker being installed

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200330062Y1 (en) * 2003-07-23 2003-10-11 (주)라이테크 Ceiling-buried fluorescent lamp implement with speaker being installed

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