JPH0726878Y2 - Electric device having an operating unit - Google Patents
Electric device having an operating unitInfo
- Publication number
- JPH0726878Y2 JPH0726878Y2 JP1990072245U JP7224590U JPH0726878Y2 JP H0726878 Y2 JPH0726878 Y2 JP H0726878Y2 JP 1990072245 U JP1990072245 U JP 1990072245U JP 7224590 U JP7224590 U JP 7224590U JP H0726878 Y2 JPH0726878 Y2 JP H0726878Y2
- Authority
- JP
- Japan
- Prior art keywords
- container
- knob
- main body
- component
- operation unit
- 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 - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、電磁放射ノイズや静電気等の影響を軽減する
ことが可能な電気装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an electric device capable of reducing the effects of electromagnetic radiation noise, static electricity, and the like.
［従来の技術］ 多くの電気装置は、摘み又はノブ等の操作部を有する。
操作部は容器から突出し、且つ金属製であることが多
い。[Prior Art] Many electric devices have an operation unit such as a knob or a knob.
The operation part projects from the container and is often made of metal.
［考案が解決しようとする課題］ 電気装置が電磁波ノイズ発生源を含み、操作部が金属製
の場合には、操作部が送信アンテナとなってノイズを放
射する恐れがある。また、逆に操作部が外来ノイズに対
して受信アンテナといて機能し、電気装置の内部にノイ
ズを引き込む恐れがある。[Problems to be Solved by the Invention] When the electric device includes an electromagnetic wave noise source and the operation unit is made of metal, the operation unit may serve as a transmission antenna and emit noise. On the contrary, there is a risk that the operating portion functions as a receiving antenna against external noise and pulls noise into the electric device.
更に、操作部に静電気又は外部回路等に基づいて高電圧
が印加されると、内部の電気回路が破壊する恐れがあ
る。また、操作部に漏電している場合に、ここに接触す
ると感電する。Furthermore, if a high voltage is applied to the operation unit based on static electricity or an external circuit, the internal electric circuit may be destroyed. In addition, if there is a leak in the operating section, you will get an electric shock if you touch it.
そこで、本考案の目的は、ノイズ低減又は保護機能を有
する電気装置を提供することにある。Therefore, an object of the present invention is to provide an electric device having a noise reducing or protecting function.
［課題を解決するための手段］ 上記目的を達成するための本考案は、電磁波ノイズを発
生する又は外来電磁波ノイズの妨害を受ける電子回路部
品と、本体部とこの本体部を操作するための可動操作部
とを有する電気部品と、グランドとして機能するように
導電材料で形成された容器と、前記可動操作部を前記容
器に接続するためのグランド接続装置と、を備え、前記
可動操作部は少なくとも一部が導電材料で形成されたシ
ャフトとこのシャフトに結合され且つ少なくとも一部が
導電材料で形成されたノブとを有し、前記容器の中に前
記電子回路部品及び前記電気部品の本体部が収容され、
前記シャフトが前記容器に形成された開口を通って前記
容器の外側に導出され、前記ノブは前記容器の外側に配
置され、前記グランド接続装置は前記可動操作部又は前
記容器に対して摺動接触するように形成された導電性部
材から成り且つ前記ノブと前記電気部品の前記本体部と
の間に配置されていることを特徴とする操作部を有する
電気装置に係わるものである。[Means for Solving the Problems] The present invention for achieving the above object includes an electronic circuit component that generates electromagnetic noise or is interfered by external electromagnetic noise, a main body, and a movable unit for operating the main body. An electric component having an operation part, a container formed of a conductive material so as to function as a ground, and a ground connection device for connecting the movable operation part to the container, the movable operation part being at least The electronic circuit component and the main body of the electrical component are provided in the container, the shaft having a part formed of a conductive material and a knob coupled to the shaft and at least a part formed of a conductive material. Housed,
The shaft is led out to the outside of the container through an opening formed in the container, the knob is arranged outside of the container, and the gland connecting device is in sliding contact with the movable operation unit or the container. The present invention relates to an electric device having an operating portion, which is made of a conductive member formed so as to be disposed between the knob and the main body portion of the electric component.
なお、本考案と実施例の対応関係を説明すると、電磁波
ノイズを発生する又は電磁波ノイズの妨害を受ける電子
回路部品は、マイクロコンピュータ等の電子回路部品２
であり、可動操作部を有する電気部品は可変抵抗器４で
あり、グランド接続装置の導電性部材は板バネ10であ
る。The correspondence between the present invention and the embodiments will be described. The electronic circuit parts that generate electromagnetic wave noise or receive the interference of electromagnetic wave noise are electronic circuit parts 2 such as a microcomputer.
The electric component having the movable operation portion is the variable resistor 4, and the conductive member of the ground connection device is the leaf spring 10.
［考案の作用及び効果］ 本考案は次の作用効果を有する。[Operation and Effect of Invention] The present invention has the following operation and effect.
（イ）シャフト及びノブが容器の外に突出しているため
に、受信アンテナとして機能し、ここに外来電磁波ノイ
ズが侵入しても、グランド接続装置を介して容器に流れ
るので、容器内部の電子回路部品を外来電磁波ノイズか
ら保護することができる。又は、電子回路部品が電磁波
ノイズを発生しても、シャフト及びノブがグランドに接
続されているためにこれ等が送信アンテナとして機能し
て電磁波ノイズを放射することが抑制される。(B) Since the shaft and the knob project outside the container, they function as a receiving antenna, and even if external electromagnetic noise enters the container, it flows into the container through the ground connection device, so the electronic circuit inside the container. Parts can be protected from external electromagnetic noise. Alternatively, even if the electronic circuit component generates electromagnetic wave noise, since the shaft and the knob are connected to the ground, they function as a transmitting antenna and are prevented from emitting electromagnetic wave noise.
（ロ）ノブ及びシャフトがグランドに接続されているの
で、静電気からの保護、及び漏電による感電防止が達成
される。(B) Since the knob and shaft are connected to the ground, protection from static electricity and prevention of electric shock due to electric leakage are achieved.
（ハ）グランド接続装置は、摺動接触するように形成さ
れているので、ノブの操作性の悪化がほとんど生じな
い。また、摺動接触によって接触部分がリフレッシュさ
れ、電気的接続を確実に保つことができる。(C) Since the ground connection device is formed so as to be in sliding contact, the operability of the knob hardly deteriorates. Moreover, the contact portion is refreshed by the sliding contact, and the electrical connection can be reliably maintained.
（ニ）グランド接続装置がノブと電気部品の本体部との
間に配置されているので、電気装置の外観を損ねない。(D) Since the ground connection device is arranged between the knob and the main body of the electric component, the appearance of the electric device is not impaired.
［第１の実施例］ 次に、第１図及び第２図を参照して本考案の実施例に係
わる電子機器を説明する。[First Embodiment] Next, an electronic apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2.
この電子機器はグランド導体として機能する金属製容器
１を備えている。この容器１の中にはマイクロコンピュ
ータ等の電子回路部品２が取付けられた回路基板３が収
容されている。この回路基板３は容器１に対して固定さ
れている。This electronic device includes a metal container 1 that functions as a ground conductor. A circuit board 3 to which an electronic circuit component 2 such as a microcomputer is attached is housed in the container 1. The circuit board 3 is fixed to the container 1.
４は可変抵抗器であって、回路基板３に固着された本体
部５とこの操作部６とから成る。操作部６は金属製シャ
フト７と、金属製ノブ（摘み）８とから成る。シャフト
７は本体部６に回動自在に支持され、容器１の開口９か
ら外に導出されている。ノブ８はシャフト７に結合され
ている。A variable resistor 4 is composed of a main body portion 5 fixed to the circuit board 3 and the operation portion 6. The operation unit 6 includes a metal shaft 7 and a metal knob (knob) 8. The shaft 7 is rotatably supported by the main body 6 and is led out from the opening 9 of the container 1. The knob 8 is connected to the shaft 7.
10はグランド接続装置としての導電性板バネであり、リ
ン青銅板から成る。この板バネ10はノブ８に対する固定
部分10aと容器１に対する摺動部分10bとを有する。固定
部分10aは固定具11でノブ８に固定されている。Reference numeral 10 is a conductive leaf spring as a ground connecting device, which is made of a phosphor bronze plate. The leaf spring 10 has a fixed portion 10a for the knob 8 and a sliding portion 10b for the container 1. The fixed portion 10a is fixed to the knob 8 by a fixing tool 11.
第１図及び第２図に示す電子機器は次の作用効果を有す
る。The electronic device shown in FIGS. 1 and 2 has the following effects.
（１）ノブ８が板バネ10を介して容器１に接続されてい
るので、容器１の内部で電磁波ノイズが発生しても、こ
れがシャフト７及びノブ８をアンテナとして放射されな
い。(1) Since the knob 8 is connected to the container 1 via the leaf spring 10, even if electromagnetic wave noise is generated inside the container 1, this is not radiated using the shaft 7 and the knob 8 as an antenna.
（２）ノブ８が受信した外来ノイズは板バネ10を介して
容器１に流れるので、内部の電子部品２を含む電子回路
に対する妨害が発生しない。(2) Since the external noise received by the knob 8 flows into the container 1 via the leaf spring 10, the electronic circuit including the internal electronic component 2 is not disturbed.
（３）静電気等の高電圧がノブ８に印加されても内部の
電子回路に対する影響が生じない。(3) Even if a high voltage such as static electricity is applied to the knob 8, the internal electronic circuit is not affected.
（４）シャフト７及びノブ８に対する漏電が生じても、
感電しない。(4) Even if electric leakage occurs on the shaft 7 and the knob 8,
Don't get an electric shock.
（５）板バネ10は摺動部分10bを有して容器１に接触し
ているので、接触部分のリフレッシュがなされ、容器１
に対する電気的接続を確実に保つことができる。(5) Since the leaf spring 10 has the sliding portion 10b and is in contact with the container 1, the contact portion is refreshed and the container 1
The electrical connection to can be reliably maintained.
［第２の実施例］ 次に、第３図に示す第２の実施例に係わる電子機器を説
明する。但し、第３図及び後述する第４図において第１
図と共通する部分には同一の符号を付してその説明を省
略する。Second Embodiment Next, an electronic device according to the second embodiment shown in FIG. 3 will be described. However, in FIG. 3 and FIG.
The same parts as those in the figure are designated by the same reference numerals and the description thereof will be omitted.
第３図の実施例では、板バネ10の固定部分10aが容器１
に固定され、摺動部分10bがノブ８の裏面に接触してい
る。この様に構成しても第１図の実施例と同一の作用効
果を得ることができる。In the embodiment shown in FIG. 3, the fixed portion 10a of the leaf spring 10 is the container 1
The sliding portion 10b is in contact with the back surface of the knob 8. Even with this configuration, the same operational effects as those of the embodiment shown in FIG. 1 can be obtained.
［第３の実施例］ 第４図に示す実施例では、板バネ10が容器１の内側に固
定されている。金属製円板から成る導電板12はシャフト
７に固着されている。板バネ10の摺動部分10bは導電板1
2の上に接触している。導電板12は容器１の開口９を平
面的に見て塞ぐように配置されている。Third Embodiment In the embodiment shown in FIG. 4, the leaf spring 10 is fixed inside the container 1. A conductive plate 12 made of a metal disk is fixed to the shaft 7. The sliding portion 10b of the leaf spring 10 is the conductive plate 1
Touching above two. The conductive plate 12 is arranged so as to close the opening 9 of the container 1 in a plan view.
この実施例は第１及び第２の実施例と同一の作用効果を
有する他に、板バネ10が外部から見えないので、外観が
良いとの特長を有する。また、導電板12が開口９を覆う
ように配置されているので、開口９を通してのノイズの
放射又は入射を防ぐことができる。This embodiment has the same effects as those of the first and second embodiments, and also has the feature that it has a good appearance because the leaf spring 10 cannot be seen from the outside. Further, since the conductive plate 12 is arranged so as to cover the opening 9, it is possible to prevent noise emission or incidence through the opening 9.
［変形例］ 本考案は上述の実施例に限定されるものでなく、例えば
次の変形が可能なものである。[Modification] The present invention is not limited to the above-described embodiments, and the following modifications are possible, for example.
（１）第４図において、板バネ10を導電板12の上面に固
着し、その摺動部分10bを容器１の内側面に摺接させて
もよい。(1) In FIG. 4, the leaf spring 10 may be fixed to the upper surface of the conductive plate 12, and the sliding portion 10b may be brought into sliding contact with the inner surface of the container 1.
（２）可変抵抗器４の代りにスイッチ等の可動操作部を
有する電子部品を使用する場合にも適用可能である。(2) It is also applicable when using an electronic component having a movable operation unit such as a switch instead of the variable resistor 4.
（３）板バネ10の代りにコイルスプリング又は棒状バネ
を使用することができる。また、板バネ10の代りに、導
電性ゴム等を使用すること又はカーボン等の導電性物質
を使用することができる。(3) Instead of the leaf spring 10, a coil spring or a bar spring can be used. Further, instead of the leaf spring 10, a conductive rubber or the like can be used, or a conductive substance such as carbon can be used.
第１図は本考案の第１の実施例の電子機器を示す一部切
断正面図、 第２図は第１図のII−II線断面図、 第３図は第２の実施例の電子機器の一部切断正面図、 第４図は第３の実施例の電子機器の一部切断正面図であ
る。 １…容器、４…可変抵抗器、５…本体部、６…操作部、
７…シャフト、８…ノブ、10…板バネ。1 is a partially cutaway front view showing an electronic device according to a first embodiment of the present invention, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. 3 is an electronic device according to the second embodiment. FIG. 4 is a partially cut front view of FIG. 4, and FIG. 4 is a partially cut front view of the electronic device of the third embodiment. 1 ... Container, 4 ... Variable resistor, 5 ... Main body part, 6 ... Operation part,
7 ... Shaft, 8 ... Knob, 10 ... Leaf spring.
Claims (1)
イズの妨害を受ける電子回路部品と、 本体部とこの本体部を操作するための可動操作部とを有
する電気部品と、 グランドとして機能するように導電材料で形成された容
器と、 前記可動操作部を前記容器に接続するためのグランド接
続装置と、を備え、 前記可動操作部は少なくとも一部が導電材料で形成され
たシャフトとこのシャフトに結合され且つ少なくとも一
部が導電材料で形成されたノブとを有し、 前記容器の中に前記電子回路部品及び前記電気部品の本
体部が収容され、 前記シャフトが前記容器に形成された開口を通って前記
容器の外側に導出され、 前記ノブは前記容器の外側に配置され、 前記グランド接続装置は前記可動操作部又は前記容器に
対して摺動接触するように形成された導電性部材から成
り且つ前記ノブと前記電気部品の前記本体部との間に配
置されていることを特徴とする操作部を有する電気装
置。1. An electronic circuit component that generates electromagnetic noise or is disturbed by external electromagnetic noise, an electrical component having a main body and a movable operating portion for operating the main body, and an electric component that functions as a ground. A container formed of a conductive material; and a ground connection device for connecting the movable operation unit to the container, the movable operation unit having at least a part formed of a conductive material and coupled to the shaft. And a knob at least a part of which is made of a conductive material, the main body of the electronic circuit component and the electric component is housed in the container, and the shaft passes through an opening formed in the container. So that the knob is disposed outside the container, and the ground connection device is in sliding contact with the movable operation unit or the container. Electrical device having an operating unit, characterized in that it is disposed between the main body portion of and the knob consists made conductive member and the electrical component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990072245U JPH0726878Y2 (en) | 1990-07-06 | 1990-07-06 | Electric device having an operating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990072245U JPH0726878Y2 (en) | 1990-07-06 | 1990-07-06 | Electric device having an operating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0430795U JPH0430795U (en) | 1992-03-12 |
| JPH0726878Y2 true JPH0726878Y2 (en) | 1995-06-14 |
Family
ID=31610016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990072245U Expired - Fee Related JPH0726878Y2 (en) | 1990-07-06 | 1990-07-06 | Electric device having an operating unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726878Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4975039U (en) * | 1972-10-20 | 1974-06-28 | ||
| JPS57176735U (en) * | 1981-04-30 | 1982-11-09 |
-
1990
- 1990-07-06 JP JP1990072245U patent/JPH0726878Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0430795U (en) | 1992-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |