JPH0321177A - Liquid cooled projection type cathode ray tube - Google Patents
Liquid cooled projection type cathode ray tubeInfo
- Publication number
- JPH0321177A JPH0321177A JP1156239A JP15623989A JPH0321177A JP H0321177 A JPH0321177 A JP H0321177A JP 1156239 A JP1156239 A JP 1156239A JP 15623989 A JP15623989 A JP 15623989A JP H0321177 A JPH0321177 A JP H0321177A
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- cathode ray
- parts
- thick
- spacer
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title description 3
- 125000006850 spacer group Chemical group 0.000 claims abstract description 23
- 238000012856 packing Methods 0.000 claims abstract description 17
- 239000000110 cooling liquid Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 6
- 239000012809 cooling fluid Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（イ）産業」二の利用分野
本発明はプロジエクションテレビに１吏用される液冷投
写型ブラウン管に関する。DETAILED DESCRIPTION OF THE INVENTION (1) Industry Field of Application The present invention relates to a liquid-cooled projection cathode ray tube used in projection televisions.
（ロ）６′Ｃ来の技術
ノ゜ロジェクションテレビにおいて使用される投写聖ブ
ラウ／管では、前面がかなり高温になるので例えば特開
昭６０−２６４１７２号公報（ ＋｛ ０４ Ｎ ５
／ ７ ４ ）に記載されている如くブラウン管の前方
に金属製のスペーサを介して投写レンズを１１’Ｚ ｛
＝＋け、前記ブラウン管、スペーサ及び投写レンズによ
って形成される空間に冷却液を充填するようにしている
。(b) Technology from 6'C onwards In the projection tube used in projection televisions, the front surface becomes quite hot, so for example, Japanese Patent Application Laid-Open No. 60-264172 (+{ 04 N 5
/7 4), a projection lens is placed in front of the cathode ray tube via a metal spacer.
The space formed by the cathode ray tube, spacer, and projection lens is filled with a cooling liquid.
（ハ） 発明が解決しようとする課題
」二述の従来例てはスペーサとブラウン管及ひ段写レン
スとの間には夫々、環状のパッキングが装着されて液も
れを防止している。(c) Problems to be Solved by the Invention In the prior art example mentioned above, annular packings are installed between the spacer and the cathode ray tube and the stage lens to prevent liquid leakage.
しかしながら、」二述の従来例ではパノキングがフラウ
ン管及びレンズとスペーサとの間に接触している部分が
少ないため、例えば、スペーサの鋳造工程でピンホール
が発生した場合、液もれか発生ずることがあった。However, in the conventional example mentioned above, there is only a small amount of contact between the pano-king and the lens and the spacer, so if a pinhole occurs during the spacer casting process, liquid leakage may occur. Something happened.
本発明は上述の点に鑑み為されたものであり、スペーサ
にビンホールが発生しても冷却液の湾もれが発生しにく
い液冷投写型ブラウン管を提供するものである。The present invention has been made in view of the above-mentioned points, and it is an object of the present invention to provide a liquid-cooled projection type cathode ray tube that is less likely to cause coolant leakage even if a via hole occurs in the spacer.
（二）課題を解決するための手段
本発明はスペーサとブラウン管の間及びスペーサと投写
用レンズの間に装着されるパッキンク゛を複数の環状の
肉厚部と、こｔＬらの肉厚部を連結する複数の環状の肉
薄部とで構成してなる。(2) Means for Solving the Problems The present invention connects a plurality of annular thick parts to a packing mounted between a spacer and a cathode ray tube and between a spacer and a projection lens, and connects these thick parts. It is composed of a plurality of annular thin-walled parts.
（ホ）作 用
上述のパッキングは複数の肉ノブ部により冷却液の漏れ
を防止する様、作用する。(e) Function The above-mentioned packing functions to prevent leakage of coolant due to the plurality of meat knobs.
（へ）実施例 以下、図面に従い本発明の−実施例を説明する。(f) Example Embodiments of the present invention will be described below with reference to the drawings.
第１図（イ）（口）（ハ）は本実施例における投写型ブ
ラウン管の側断面図、正面図及び背面図であり、図中、
（１）はブラウン管、（２）はこのブラウン管（１）の
前方に装着された金属製のスペーサであり、冷却液注入
口（２ａ）及び複数の放熱フィン（２ｂ） （２ｂ）・
・を一体に備えている。また、（３）は前記スペーサ（
２）に保持＃（４＋を介して取付けら！仁る投写レンズ
、（５）は前記ブラウン管（１）、スペーサ（２）及び
投写レンズ（３）とで形戒される空間に前記冷却液注入
口（２ａ）より注入さｈる冷却液、（６）は前記ブラウ
ン管（１）とｉｆｆ記スペーサ（２）との間に扶持され
たゴム製の環状の第１パッキング、（７）は前記投写レ
ンズ（３）及び前記保持筒（４）と前記スペーサ（２）
との間に扶持されたゴム製の環状の第２パッキング、（
８）は前記冷却液注入口（２ａ）を閉塞し、締付金具（
９）により締付けられる第３パッキンクである。FIGS. 1(A), 1(C), and 1(C) are a side sectional view, a front view, and a back view of the projection type cathode ray tube in this embodiment, and in the figures,
(1) is a cathode ray tube, and (2) is a metal spacer attached to the front of this cathode ray tube (1), which includes a coolant inlet (2a) and a plurality of heat radiation fins (2b).
・It is equipped with the following. In addition, (3) is the spacer (
2) is attached to the projection lens held through #(4+), and (5) is for injecting the coolant into the space defined by the cathode ray tube (1), spacer (2) and projection lens (3). Coolant is injected from the inlet (2a), (6) is a rubber annular first packing supported between the cathode ray tube (1) and the spacer (2), and (7) is the projection tube. Lens (3), the holding tube (4), and the spacer (2)
a rubber annular second packing supported between (
8) closes the coolant inlet (2a) and tightens the tightening fitting (
This is the third packing that is tightened by 9).
次に本実施例の特徴である第１及び第２パッキング（６
） ＋７ ＋の詳細について、第２図を参照しつつ説
明する。Next, the first and second packings (6
) +7 The details of + will be explained with reference to FIG.
第エパッキング（６）は環状のものであり、夫々の断面
形状が方形の第１肉厚部（６ａ）．円形の第２肉厚部（
６ｂｌ ．この第１肉厚部（６ａ）と第２肉厚部（６ｂ
）との間に位置し、前記第２肉厚部（６ｂ）よりは径小
な円形の複数の第３肉厚部（６ｃ） （６ｃ）・・及び
これらを連結する複数の内薄部（６ｄｊ （６６）・・
て構戒される。The first e-packing (6) is annular and includes first thick portions (6a), each having a rectangular cross-sectional shape. Circular second thick part (
6bl. The first thick part (6a) and the second thick part (6b
) and a plurality of circular third thick parts (6c) (6c) with a smaller diameter than the second thick part (6b), and a plurality of inner thin parts (6c) connecting these parts. 6dj (66)...
It is admonished.
３
また、第２パッキンク（７）も第１肉厚部（７ａ）、第
２肉厚部（７ｂ）、第３肉厚部（７ｃｌ （７ｃｈ・及
び肉薄部（７ｄｌ （７ｄｌ・・て構成されている。3 The second packing (7) is also composed of a first thick part (7a), a second thick part (7b), a third thick part (7cl (7ch), and a thin part (7dl (7dl)). ing.
上述の第１、第２パッキング＋６ ＋ （７ ）によれ
ば、仮りにスペーサ（２）が鋳造工程で発生したピンホ
ールを有していても、複数個設けられた第３部分が冷却
液（５）の外部への漏れを防止する。According to the above-mentioned first and second packing +6 + (7), even if the spacer (2) has pinholes generated during the casting process, the plurality of third portions can be filled with cooling fluid ( 5) Prevent leakage to the outside.
（ト）発明の効果
上述の如く本発明に依れば、スペーサにピンホールが発
生していても冷却液の外部への漏れを確実に防止するこ
とができる。(G) Effects of the Invention As described above, according to the present invention, leakage of the cooling liquid to the outside can be reliably prevented even if pinholes are formed in the spacer.
４． Ｖ；Ａ面の簡単な説明
図面はいずれも本発明の一実施例に関し、第１図（イ）
（口）（ハ）は夫々、投写型ブラウン管の側断面図、正
面図及び背面図、第２図は第ｌ図（イ）の要部拡大図で
ある。4. V: The simple explanatory drawings on side A all relate to one embodiment of the present invention, and are shown in FIG.
(Ex) (C) are a side sectional view, a front view, and a back view of a projection type cathode ray tube, respectively, and FIG. 2 is an enlarged view of the main part of FIG. 1 (A).
（１）・・ブラウン管、（２）・・スペーサ、（３）・
・投写レンズ、（５）・・・冷却液、＜６ ） （７
）一・第１、第２パッキング。(1)...Cathode ray tube, (2)...Spacer, (3)...
・Projection lens, (5)...Cooling liquid, <6) (7
) 1st, 1st, 2nd packing.
４ 特開平３ ２１１７７（３）4 Japanese Patent Publication No. 3 21177(3)
Claims (2)
写用レンズを取付け、前記ブラウン管の前面、スペーサ
及び投写用レンズによって形成される空間に冷却液を充
填すると共に、前記スペーサとブラウン管の間及び前記
スペーサと投写用レンズの間に夫々、環状のパッキング
を装着してなる液冷投写型ブラウン管において、 前記パッキングを複数の環状の肉厚部とこれらの肉厚部
を連結する複数の環状の肉薄部とで構成したことを特徴
とする液冷投写型ブラウン管。(1) A projection lens is attached to the front surface of the cathode ray tube via a metal spacer, and a cooling liquid is filled in the space formed by the front surface of the cathode ray tube, the spacer, and the projection lens, and the space between the spacer and the cathode ray tube is In a liquid-cooled projection type cathode ray tube in which annular packings are installed between the spacer and the projection lens, the packings include a plurality of annular thick sections and a plurality of annular thin sections connecting these thick sections. A liquid-cooled projection type cathode ray tube characterized by consisting of a
されてなる請求項１記載の液冷投写型ブラウン管。(2) The liquid-cooled projection type cathode ray tube according to claim 1, wherein a plurality of radiation fins are integrally formed on the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1156239A JPH0321177A (en) | 1989-06-19 | 1989-06-19 | Liquid cooled projection type cathode ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1156239A JPH0321177A (en) | 1989-06-19 | 1989-06-19 | Liquid cooled projection type cathode ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321177A true JPH0321177A (en) | 1991-01-29 |
Family
ID=15623415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1156239A Pending JPH0321177A (en) | 1989-06-19 | 1989-06-19 | Liquid cooled projection type cathode ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321177A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012523652A (en) * | 2009-04-08 | 2012-10-04 | リ−テック・バッテリー・ゲーエムベーハー | Electrical energy storage device with planar cell and heat sink |
-
1989
- 1989-06-19 JP JP1156239A patent/JPH0321177A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012523652A (en) * | 2009-04-08 | 2012-10-04 | リ−テック・バッテリー・ゲーエムベーハー | Electrical energy storage device with planar cell and heat sink |
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