JPS6250036B2 - - Google Patents
Info
- Publication number
- JPS6250036B2 JPS6250036B2 JP56127649A JP12764981A JPS6250036B2 JP S6250036 B2 JPS6250036 B2 JP S6250036B2 JP 56127649 A JP56127649 A JP 56127649A JP 12764981 A JP12764981 A JP 12764981A JP S6250036 B2 JPS6250036 B2 JP S6250036B2
- Authority
- JP
- Japan
- Prior art keywords
- case
- speaker
- hole
- outside
- water
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005192 partition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
【発明の詳細な説明】
本発明は、拡声装置、特に屋外に設置される拡
声装置の防水構造に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a waterproof structure for a public address system, particularly for a public address system installed outdoors.
従来の拡声装置の構造を第１図に示す。防水ケ
ース１の開口部には、表面に防水処理を施したス
ピーカ２が取り付けられており、前記防水ケース
１の底部には、たとえば固体記憶素子で構成され
た音声発生装置などの電子回路装置３が取りつけ
られている。 The structure of a conventional public address system is shown in FIG. A speaker 2 whose surface has been waterproofed is attached to the opening of the waterproof case 1, and an electronic circuit device 3, such as a sound generator made of a solid-state memory element, is attached to the bottom of the waterproof case 1. is attached.
このような構造の拡声装置においては、スピー
カ２をケース１にパツキングを介在させるなどし
て水密な状態に取付け、一体化したとしても、温
度変化によつてケース１の内外の圧力差が生じる
ので、この圧力差によつて雨水などがケース１内
に侵入することは避けられなかつた。いつたん水
がケース１内に入り込んでしまうと、それがケー
ス１内に長くとどまり、電子回路装置３やスピー
カ２を動作不能な状態にしてしまう。 In a public address system with such a structure, even if the speaker 2 is installed in a watertight manner by intervening packing in the case 1 and integrated, a pressure difference between the inside and outside of the case 1 will occur due to temperature changes. Due to this pressure difference, it was inevitable that rainwater etc. would enter the case 1. Once water enters the case 1, it stays in the case 1 for a long time, rendering the electronic circuit device 3 and the speaker 2 inoperable.
本発明は、このような問題を解決するためにな
されたもので、スピーカ端縁部またはケースのス
ピーカ収納側下部にケース内部とその外部を連通
する透孔を設けて、ケース内に雨水などが侵入し
てもスピーカの動作時の音圧でそれを前記透孔か
らケース１の外部へ出せるよう構成して、これに
よりケース１内部の機器が水によつて損傷を受け
ることを防止したものである。 The present invention was made to solve this problem, and includes a through hole that communicates between the inside of the case and the outside of the case at the edge of the speaker or at the lower part of the case on the side where the speaker is housed, thereby preventing rainwater from entering the case. Even if water enters the water, it is constructed so that the sound pressure generated during the operation of the speaker can be ejected to the outside of the case 1 through the through hole, thereby preventing equipment inside the case 1 from being damaged by water. be.
以下、図面を用いてその一実施例を説明する。 One embodiment will be described below with reference to the drawings.
防水性のケース１の開口部には、表面に防水処
理を施したスピーカ２が取り付けられ、またケー
ス１の底部には音声発生装置などの電子回路装置
３が取り付けられている。そして、スピーカ２と
電子回路装置３との間にそれぞれの収納部分を隔
離する防水性の隔壁４が設けられている。スピー
カ２の端縁部には１mm×２mmの大きさの小さな透
孔５が設けられており、これによりケース１内部
のスピーカ収納側部分と外部とが連通している。
透孔５の外側には、防水カバー６が取りつけられ
ている。 A speaker 2 whose surface is waterproofed is attached to the opening of the waterproof case 1, and an electronic circuit device 3 such as a sound generator is attached to the bottom of the case 1. A waterproof partition wall 4 is provided between the speaker 2 and the electronic circuit device 3 to isolate the housing portions of the speakers 2 and the electronic circuit device 3. A small through hole 5 with a size of 1 mm x 2 mm is provided at the edge of the speaker 2, so that the speaker housing side inside the case 1 communicates with the outside.
A waterproof cover 6 is attached to the outside of the through hole 5.
このような構造の拡声装置によれば、小さな透
孔５によつてケース１のスピーカ収納側部分と外
部とが連通しているので、スピーカ収納側部分に
雨水などが侵入しても、この水は、スピーカ２の
振動圧により小さな透孔５を通して外部に押し出
される。そして、透孔５の外側には防水カバー６
が設けられているので、外部からこの透孔５を通
してケース１内に水が入り込むおそれがほとんど
ない。また、スピーカ２が破れ、水がこの破れた
部分からケース１の内部に流入した場合でも、電
子回路３は、防水性の隔壁４によつて水から遮断
されているので、正常に動作する。なお、この実
施例では、ケース１のスピーカ収納側部分と外部
とを連絡する透孔をスピーカ２の端縁部分に設け
ているが、ケース１のスピーカ収納側部分の下部
に透孔を設けても同じ効果が得られるものであ
る。 According to the loudspeaker system having such a structure, the speaker storage side of the case 1 communicates with the outside through the small through hole 5, so that even if rainwater etc. enters the speaker storage side, this water will be removed. is pushed out through the small through hole 5 by the vibration pressure of the speaker 2. A waterproof cover 6 is provided on the outside of the through hole 5.
, there is almost no risk of water entering the case 1 from the outside through the through hole 5. Further, even if the speaker 2 is torn and water flows into the case 1 through the torn part, the electronic circuit 3 will operate normally because it is isolated from the water by the waterproof partition wall 4. In this embodiment, a through hole is provided at the edge of the speaker 2 to connect the speaker storage side of the case 1 to the outside, but a through hole is provided at the lower part of the speaker storage side of the case 1. The same effect can be obtained.
以上説明したように、本発明の拡声装置は、ス
ピーカの端縁部分もしくはケースのスピーカ収納
部分側下部には透孔が設けられており、これによ
つてケースのスピーカ取付側空間と外部とが連通
しているため、ケース内部に雨水などが侵入する
ようなことがあつたとしてもスピーカの振動圧に
よつて外部へ押し出され、排除される。したがつ
て、ケース内部に水が長くとどまるようなことが
なく、ケース内部のスピーカのリード線接続部分
などが腐食するというおそれがなくなる。 As explained above, in the loudspeaker of the present invention, a through hole is provided at the edge of the speaker or at the lower part of the speaker housing side of the case, which allows the space on the speaker mounting side of the case to connect with the outside. Because of the communication, even if rainwater or the like were to enter the inside of the case, it would be pushed out by the vibration pressure of the speaker and removed. Therefore, water does not remain inside the case for a long time, and there is no fear that the speaker lead wire connection portion inside the case will corrode.
第１図は従来の拡声装置の一例を示す断面図、
第２図は本発明にかかる拡声装置の一実施例の断
面図である。
１……ケース、２……スピーカ、３……電子回
路装置、４……防水性の隔壁、５……透孔。
FIG. 1 is a sectional view showing an example of a conventional public address system.
FIG. 2 is a cross-sectional view of an embodiment of the loudspeaker according to the present invention. 1...Case, 2...Speaker, 3...Electronic circuit device, 4...Waterproof partition, 5...Through hole.
Claims (1)
の前面側に取付られており、前記スピーカの端縁
部もしくは前記ケースの前記スピーカ収納側下部
に、前記ケースの前記スピーカ背面側空間と外部
とが連通する透孔が設けられていて、前記ケース
内に侵入した水を前記スピーカの振動圧で排出す
るようにしたことを特徴とする拡声装置。1 A speaker is attached to the front side of a case whose rear side is closed, and there is a space between the speaker rear side space of the case and the outside at the edge of the speaker or the lower part of the speaker storage side of the case. A loudspeaker device, characterized in that a communicating through hole is provided, and water that has entered the case is discharged by vibration pressure of the speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12764981A JPS5833392A (en) | 1981-08-13 | 1981-08-13 | Loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12764981A JPS5833392A (en) | 1981-08-13 | 1981-08-13 | Loudspeaker device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5833392A JPS5833392A (en) | 1983-02-26 |
| JPS6250036B2 true JPS6250036B2 (en) | 1987-10-22 |
Family
ID=14965308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12764981A Granted JPS5833392A (en) | 1981-08-13 | 1981-08-13 | Loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5833392A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63279385A (en) * | 1987-05-12 | 1988-11-16 | Matsushita Electric Ind Co Ltd | Bar code reader |
| JP2006033635A (en) * | 2004-07-20 | 2006-02-02 | Aristo Engineering Pte Ltd | Acoustic device |
| JP4899901B2 (en) * | 2007-02-02 | 2012-03-21 | マックス株式会社 | Bathroom air conditioner |
| JP5979355B2 (en) * | 2012-06-07 | 2016-08-24 | ヤマハ株式会社 | Speaker device and speaker box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS574534Y2 (en) * | 1975-04-30 | 1982-01-27 |
-
1981
- 1981-08-13 JP JP12764981A patent/JPS5833392A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5833392A (en) | 1983-02-26 |
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