JPH02148110A - Numerical controller - Google Patents
Numerical controllerInfo
- Publication number
- JPH02148110A JPH02148110A JP30183588A JP30183588A JPH02148110A JP H02148110 A JPH02148110 A JP H02148110A JP 30183588 A JP30183588 A JP 30183588A JP 30183588 A JP30183588 A JP 30183588A JP H02148110 A JPH02148110 A JP H02148110A
- Authority
- JP
- Japan
- Prior art keywords
- numerical control
- signal
- control device
- ultrasonic
- circuit
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Numerical Control (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は外部装置との信号の伝送経路を有する数値制御
装置に関し、特に機械本体等を伝送経路として超音波に
よって信号を伝送するようにした数値制御装置に関する
。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a numerical control device having a signal transmission path with an external device, and in particular, a numerical control device that transmits signals using ultrasonic waves using a machine body or the like as a transmission path. Related to numerical control devices.
数値制御装置では、小型のＣＮＣ工作機械を除き、一般
にＣＲＴ／ＭＤＩユニットあるいは機械操作盤等を数値
制御装置の外部に設けている。これらの機械操作盤等と
、数値制御装置との間は電気的なケーブルで接続されて
いる。In numerical control devices, except for small CNC machine tools, a CRT/MDI unit or a machine operation panel is generally provided outside the numerical control device. These mechanical operation panels and the like are connected to the numerical control device by electrical cables.
があり、そのためにケーブルを巻き取る等の機構等が必
要になる。Therefore, a mechanism for winding the cable, etc. is required.
さらに、ケーブルが長くなると、工場内の他のＯＡ機器
等に有害なノイズの発生源となる場合がある。特に、最
近ではこれらのノイズには厳しい基準が設けられおり、
これを満足するためにはケーブルのシールド等を厳密に
行う必要がある。Furthermore, if the cable becomes long, it may become a source of noise that is harmful to other OA equipment in the factory. In particular, recently strict standards have been set for these noises.
In order to satisfy this requirement, it is necessary to strictly shield the cable.
本発明はこのような点に鑑みてなされたものであり、機
械本体等を伝送経路として超音波によって信号を伝送す
るようにした数値制御装置を提供することを目的とする
。The present invention has been made in view of these points, and it is an object of the present invention to provide a numerical control device that transmits signals using ultrasonic waves using a machine body or the like as a transmission path.
しかし、工作機械が大きくなるとこれらのケーブルの配
線のためにダクトを設けたり、ケーブルを保護するため
の保護カバーを必要とする。機械によっては、強度的に
ケーブルを通す穴等を設けるのが困難な場合もある。However, as machine tools become larger, ducts are required to route these cables, and protective covers are required to protect the cables. Depending on the machine, it may be difficult to provide a hole for the cable to pass through due to its strength.
また、工作機械が大きくなるにつれ、機械操作盤等は操
作し易いように、その位置を変える必要〔課題を解決す
るための手段〕
本発明では上記課題を解決するために、外部装置との信
号の伝送経路を有する数値制御装置において、
前記外部装置のパルス信号を高周波数に変調する変調回
路と、
前記変調された信号を増幅する発信側増幅器と、前記発
信側増幅器に接続され、前記発信側増幅器によって駆動
される超音波発振器と、前記超音波発振器の超音波を伝
送する機械あるいはキャビネットと、
前記機械あるいは前記キャビネットに結合されて、前記
超音波を受信し、受信電気信号に変換する超音波受信器
と、
前記受信電気信号を増幅する受信側増幅器と、前記受信
電気信号をパルス信号に復調する復調回路と、
からなる信号伝送経路を有することを特徴とする数値制
御装置、
が提供される。In addition, as machine tools become larger, it is necessary to change the position of the machine operation panel etc. so that it can be easily operated. A numerical control device having a transmission path, comprising: a modulation circuit that modulates a pulse signal of the external device to a high frequency; a transmitter amplifier that amplifies the modulated signal; an ultrasonic oscillator driven by an amplifier; a machine or cabinet for transmitting the ultrasonic waves of the ultrasonic oscillator; and an ultrasonic device coupled to the machine or cabinet for receiving and converting the ultrasonic waves into received electrical signals. Provided is a numerical control device comprising a signal transmission path consisting of a receiver, a receiving side amplifier that amplifies the received electrical signal, and a demodulation circuit that demodulates the received electrical signal into a pulse signal. .
パルス信号は変調回路で高周波信号に変調され、超音波
発振器によって超音波に変換され、機械あるいはキャビ
ネットを伝送経路として、伝送され、復調回路でパルス
信号に復調される。The pulse signal is modulated into a high frequency signal by a modulation circuit, converted into an ultrasonic wave by an ultrasonic oscillator, transmitted through a machine or cabinet as a transmission path, and demodulated into a pulse signal by a demodulation circuit.
従って、伝送用のケーブル、及びケーブルに付帯する設
備が不要となる。Therefore, a transmission cable and equipment attached to the cable are not required.
以下、本発明の一実施例を図面に基づいて説明する。 Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図に本発明の数値制御装置のブロック図を示す。機
械操作盤１０の操作スイッチ等の信号はシリアルなパル
ス信号１１に変換され、変調回路１２で周波数変調され
る。例えば、パルス１は２００ＫＨｚ、パルスＯは１０
０ＫＨｚとする。この高周波信号は発信側増幅器１３で
増幅される。FIG. 1 shows a block diagram of a numerical control device of the present invention. Signals from operation switches and the like on a machine operation panel 10 are converted into a serial pulse signal 11, which is frequency-modulated by a modulation circuit 12. For example, pulse 1 is 200KHz, pulse O is 10
The frequency shall be 0KHz. This high frequency signal is amplified by the transmitting side amplifier 13.
増幅器１３によって、超音波発振器１が駆動され、超音
波発振器１は超音波を発生する。超音波発振器１には、
ニッケル、アルフェロ合金を使用した磁気ひずみ変換器
を使用する。この他にチタン酸バリウム磁器を使用した
電気ひずみ変換器等を使用することもできる。The amplifier 13 drives the ultrasonic oscillator 1, and the ultrasonic oscillator 1 generates ultrasonic waves. The ultrasonic oscillator 1 includes
A magnetostrictive transducer using nickel and Alferro alloy is used. In addition to this, it is also possible to use an electrostrictive transducer using barium titanate porcelain.
超音波発振器１は機械本体２あるいはキャビネットに機
械的に結合され、超音波はこの機械本体２等を経路とし
て伝送される。超音波受信器３は伝送された超音波を受
信し、高周波の電気信号を出力する。The ultrasonic oscillator 1 is mechanically coupled to a machine body 2 or a cabinet, and ultrasonic waves are transmitted through the machine body 2 and the like. The ultrasonic receiver 3 receives the transmitted ultrasonic waves and outputs a high frequency electrical signal.
数値制御装置２０には受信側増幅器２１があり、超音波
受信器３からの高周波電気信号を増幅し、復調回路２２
に送る。復調回路２２は増幅された高周波電気信号をパ
ルス信号２３に復調し、パルス信号は入力信号として、
内部のプロセッサで処理される。The numerical control device 20 includes a receiving amplifier 21 that amplifies the high frequency electrical signal from the ultrasonic receiver 3 and sends it to the demodulation circuit 22.
send to The demodulation circuit 22 demodulates the amplified high-frequency electric signal into a pulse signal 23, and the pulse signal is used as an input signal.
Processed by internal processor.
また、必要に応じて誤り検出回路、誤り訂正回路等を追
加することができる。Further, an error detection circuit, an error correction circuit, etc. can be added as necessary.
このように、信号を超音波として、機械本体あるいはキ
ャビネット内を伝送するようにしたので、ケーブルが不
要になり、そのためのダクト、シールド処理等が不要に
なる。また、超音波発振器の機械本体等の取りつけ位置
を何箇所か設けて、機械操作盤を移動することができる
。In this way, since the signal is transmitted as an ultrasonic wave through the machine body or inside the cabinet, cables, ducts, shielding, etc. are no longer necessary. Furthermore, the machine operation panel can be moved by providing several mounting positions for the machine body of the ultrasonic oscillator.
上記の説明では、機械操作盤からの信号を数値制御装置
に伝送する例を示したが、数値制御装置側にも変調回路
等の発信回路を、機械操作盤側に復調回路等の受信回路
を設けて、互いに信号を双方向に伝送することもできる
。In the above explanation, an example was shown in which signals from a machine operation panel are transmitted to a numerical control device, but a transmitting circuit such as a modulation circuit is also installed on the numerical control device side, and a receiving circuit such as a demodulation circuit is installed on the machine operation panel side. They can also be provided to transmit signals bidirectionally to each other.
さらに、機械操作盤以外のＣＲＴ／ＭＤＩユニット、あ
るいは他の外部装置にも同様に適用することができる。Furthermore, the present invention can be similarly applied to CRT/MDI units other than machine operation panels or other external devices.
以上説明したように本発明では、信号を超音波に変換し
て、機械本体等を伝送路として伝送するように構成した
ので、伝送用のケーブルが不要となり、そのためのダク
ト、あるいはシールド処理等の設備が不要となる。As explained above, the present invention is configured to convert signals into ultrasonic waves and transmit them through the main body of the machine as a transmission path, so there is no need for transmission cables, and the need for ducts, shielding, etc. No equipment is required.
また、操作盤等の外部機器を簡単に移動させることがで
きる。Furthermore, external equipment such as a control panel can be easily moved.
さらに、動力線を除く信号ケーブルを無くすことができ
、ノイズの発生を防止することもできる。Furthermore, signal cables other than power lines can be eliminated, and noise generation can also be prevented.
第１図は本発明の数値制御装置のブロック図である。
超音波発振器
２−−−−−・−・−・・−機械本体
３・−・−・−一一−−−−超音波受信器０−・−−−
−一−−−−−−−機械操作盤１−・−−−−−−−−
−・パルス信号（発信側）２ 変調回路
３−・−・−・−・−発信側増幅器
０−・・−一−−−−−−・・数値制御装Ｗ（ＣＮＣ）
１−−−−−−−−・−一−−−・−受信側増幅器２−
−−一−・−・−・−復調回路
３−・・・・・・−ｍ−−−・パルス信号（受（ＩＪ）
特許出願人 ファナック株式会社
代理人 弁理士 服部毅巖FIG. 1 is a block diagram of a numerical control device of the present invention. Ultrasonic oscillator 2-------・----Machine body 3-----11----Ultrasonic receiver 0-----
−1−−−−−−−Machine operation panel 1−・−−−−−−−
- Pulse signal (transmission side) 2 Modulation circuit 3 - - - - Transmission side amplifier 0 - - - 1 - Numerical control unit W (CNC)
1------------1------Receiving side amplifier 2-
−−1−・−・−・−Demodulation circuit 3−・・・・・・−m−−−・Pulse signal (receiving (IJ)
Patent applicant: Agent for FANUC Co., Ltd. Patent attorney: Takeshi Hattori
Claims (5)
置において、 前記外部装置のパルス信号を高周波数に変調する変調回
路と、 前記変調された信号を増幅する発信側増幅器と、前記発
信側増幅器に接続され、前記発信側増幅器によって駆動
される超音波発振器と、 前記超音波発振器の超音波を伝送する機械あるいはキャ
ビネットと、 前記機械あるいは前記キャビネットに結合されて、前記
超音波を受信し、受信電気信号に変換する超音波受信器
と、 前記受信電気信号を増幅する受信側増幅器と、前記受信
電気信号をパルス信号に復調する復調回路と、 からなる信号伝送経路を有することを特徴とする数値制
御装置。(1) A numerical control device having a signal transmission path with an external device, comprising: a modulation circuit that modulates a pulse signal of the external device to a high frequency; a transmitting side amplifier that amplifies the modulated signal; and a transmitting side amplifier that amplifies the modulated signal. an ultrasonic oscillator connected to an amplifier and driven by the transmitting amplifier; a machine or cabinet for transmitting the ultrasonic waves of the ultrasonic oscillator; coupled to the machine or the cabinet for receiving the ultrasonic waves; It is characterized by having a signal transmission path including: an ultrasonic receiver that converts the received electrical signal into a received electrical signal; a receiving side amplifier that amplifies the received electrical signal; and a demodulation circuit that demodulates the received electrical signal into a pulse signal. Numerical control device.
調回路等の発信要素と、前記復調回路等の受信要素を設
け、双方向性伝送回路としたことを特徴とする特許請求
の範囲第１項記載の数値制御装置。(2) A bidirectional transmission circuit is formed by providing a transmitting element such as the modulating circuit and a receiving element such as the demodulating circuit in both the external device and the numerical control device. Numerical control device according to item 1.
とする特許請求の範囲第１項記載の数値制御装置。(3) The numerical control device according to claim 1, wherein the modulation circuit is a frequency modulation circuit.
る特許請求の範囲第１項記載の数値制御装置。(4) The numerical control device according to claim 1, wherein the external device is a mechanical operation panel.
変換器であることを特徴とする特許請求の範囲第１項記
載の数値制御装置。(5) The numerical control device according to claim 1, wherein the ultrasonic oscillator and the ultrasonic receiver are magnetostrictive transducers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30183588A JP2594632B2 (en) | 1988-11-29 | 1988-11-29 | Numerical control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30183588A JP2594632B2 (en) | 1988-11-29 | 1988-11-29 | Numerical control unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02148110A true JPH02148110A (en) | 1990-06-07 |
| JP2594632B2 JP2594632B2 (en) | 1997-03-26 |
Family
ID=17901734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30183588A Expired - Lifetime JP2594632B2 (en) | 1988-11-29 | 1988-11-29 | Numerical control unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2594632B2 (en) |
-
1988
- 1988-11-29 JP JP30183588A patent/JP2594632B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2594632B2 (en) | 1997-03-26 |
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