KR100594941B1 - A non-contact displacement sensing unit - Google Patents

A non-contact displacement sensing unit Download PDF

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KR100594941B1
KR100594941B1 KR1020060003351A KR20060003351A KR100594941B1 KR 100594941 B1 KR100594941 B1 KR 100594941B1 KR 1020060003351 A KR1020060003351 A KR 1020060003351A KR 20060003351 A KR20060003351 A KR 20060003351A KR 100594941 B1 KR100594941 B1 KR 100594941B1
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South Korea
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unit
displacement
pulse
magnetic
pcb
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KR1020060003351A
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Korean (ko)
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송명선
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대영테크윈(주)
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

본 발명은 피엘씨(Programmable Logic Controller, PLC) 형태로 제어되는 각종 산업기계나 자동 공정설비 등과 같은 기기 또는 설비 내에서 변위 검출을 위한 장치에 관한 것으로, 더 구체적으로는 피씨비(Printed Circuit Board, PCB) 형태로 이루어진 제어부재의 신호감지부와 작동연산부를 별도로 분리시켜 상호 정보교환이 가능하게 함으로써, 작동 중 발생되는 내부의 열, 노이즈(noise) 등이 시스템의 계측 정밀도에 영향을 미칠 수 없도록 한 비접촉식 변위검출장치에 관한 것이다.The present invention relates to a device for detecting displacement in a device or a facility such as various industrial machines or automatic process equipment controlled in the form of a programmable logic controller (PLC), and more specifically, a printed circuit board (PCB). By separating the signal detection unit and operation operation unit of the control unit in the form of), mutual information can be exchanged, so that internal heat, noise, etc. generated during operation cannot affect the measurement accuracy of the system. It relates to a non-contact displacement detection device.

본 발명에 의하면 안정된 출력 및 응답성 제고에 따른 계측성능 즉, 변위계측 정밀도를 높임은 물론, 제어부재의 작동연산부를 범용소켓과의 연결이 자유로운 베이스부재 위에 일체시킴으로써, 설치 작업상의 간편성을 도모하며, 실제 현장에서 이를 사용하는 사용자에게 계측신뢰도를 높이고, 설비 호환성 및 경제적인 부가가치(Economic Value Added, EVA)를 창출하는 등의 효과가 기대된다.According to the present invention, the measurement performance according to the stable output and the responsiveness is improved, that is, the displacement measurement accuracy is increased, and the operation operation portion of the control member is integrated on the base member freely connected to the general purpose socket, thereby simplifying the installation work. In addition, it is expected to increase the measurement reliability to users who use it in the actual field, and to generate facility compatibility and economic value added (EVA).

센서, 변위, 자기장, 분리형, 비접촉식, 선형, 위치검출, 자력, 자성 Sensor, Displacement, Magnetic Field, Isolated, Non-Contact, Linear, Position Detection, Magnetic, Magnetic

Description

비접촉식 변위검출장치{A non-contact displacement sensing unit}A non-contact displacement sensing unit

도 1은 종래기술의 실시형태에 따른 사용 상태를 도시한 도면.1 shows a state of use in accordance with an embodiment of the prior art;

도 2는 본 발명의 바람직한 실시형태에 따른 비접촉식 변위검출장치를 단면 상태로 도시한 도면.2 is a cross-sectional view of a non-contact displacement detection device according to a preferred embodiment of the present invention.

도 3은 본 발명의 바람직한 실시형태에 따른 비접촉식 변위검출장치의 제어부재를 이루는 작동연산부를 단면 상태로 도시한 도면.3 is a cross-sectional view showing an operation calculation unit constituting a control member of a non-contact displacement detection device according to a preferred embodiment of the present invention.

도 4는 본 발명의 바람직한 실시형태에 따른 비접촉식 변위검출장치의 작동원리를 개략적으로 도시한 도면.Figure 4 schematically shows the operating principle of the contactless displacement detection device according to a preferred embodiment of the present invention.

<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>

10 : 로드부재 11 : 헤드부10: rod member 11: head portion

12 : 통전수단 12a: 수직자장12: energization means 12a: vertical magnetic field

20 : 자기부재 20a: 수평자장20: magnetic member 20a: horizontal magnetic field

30 : 제어부재 31 : 신호감지부30: control member 31: signal detection unit

31a: 펄스유발수단 31b: 펄스감지수단31a: pulse inducing means 31b: pulse detecting means

32 : 작동연산부 32a: 베이스부재32: operation operation part 32a: base member

32b: 커버부재 31c,32c: 통신모듈32b: cover member 31c, 32c: communication module

32d:중앙처리수단 32e,32f: 출력전환수단32d: central processing means 32e, 32f: output switching means

33 : 범용소켓 40 : 도선부재33: general purpose socket 40: conductor member

본 발명은 피엘씨(Programmable Logic Controller, PLC) 형태로 제어되는 각종 산업기계나 자동 공정설비 등과 같은 기기 또는 설비 내에서 변위 검출을 위한 장치에 관한 것으로, 더 구체적으로는 피씨비(Printed Circuit Board, PCB) 형태로 이루어진 제어부재의 신호감지부와 작동연산부를 별도로 분리시켜 상호간의 정보교환이 가능하게 함으로써, 작동 중 발생되는 내부의 열, 노이즈(noise) 등이 시스템의 계측 정밀도에 영향을 끼칠 수 없도록 이루어진 비접촉식 변위검출장치에 관한 것이다.The present invention relates to a device for detecting displacement in a device or a facility such as various industrial machines or automatic process equipment controlled in the form of a programmable logic controller (PLC), and more specifically, a printed circuit board (PCB). By separating the signal detection unit and operation operation unit of the control unit in the form of), it is possible to exchange information with each other, so that internal heat, noise, etc. generated during operation do not affect the measurement accuracy of the system. It relates to a non-contact displacement detection device made.

일반적으로 감지신호를 되받아서 스스로 위치를 연산하는 변위검출장치는 자동차의 연료량, 스로틀 밸브의 개도량, 그리고 공장자동화(factory automation, FA) 현장 등과 같은 곳에서 고도한 정밀도의 위치제어가 가능한 것으로, 제어 메카니즘에 따라 접촉식과 비접촉식으로 나누어진다. 접촉식은 전기저항을 이용한 방식이 대표적이고, 비접촉식은 홀소자(hall element)식, 자기유도(magnetic induction)식 또는 엔코더(encoder)식 등 다양한 형태로 실시되고 있다.In general, the displacement detection device that calculates its own position by receiving the detection signal is capable of highly precise position control at a place such as a fuel amount of a vehicle, an opening amount of a throttle valve, and a factory automation (FA) site. Depending on the control mechanism, it is divided into contact and non-contact. The contact type is typically a method using an electrical resistance, and the non-contact type is implemented in various forms such as a hall element type, a magnetic induction type, or an encoder type.

상기와 같은 종래기술로서, 본 출원인이 이전에 등록받은 국내 등록실용신안공보 제222343호(2001. 2. 20. 등록, 이하 '종래기술'라 함)에서 개시된 기술을 들 수 있다. 이 종래기술의 내용을 첨부한 도면을 참조하여 살펴보면 다음과 같다.As the prior art as described above, there may be mentioned a technique disclosed in the Korean Registered Utility Model Publication No. 222343 (registered Feb. 20, 2001, hereinafter referred to as 'prior art'), to which the applicant previously registered. Looking at the contents of the prior art with reference to the accompanying drawings as follows.

상기 종래기술은 자기(磁氣)에 의한 펄스의 변형을 이용하여 위치 및 레벨을 계측하는 것으로, 내부에 회로기판(1a)을 수용하며, 일측에 전선 삽입부(1b)가 구비된 헤드(1)와, 이 헤드(1)의 하부에 마련되며, 회전수단(2a)이 구비된 넥크(2), 이 넥크(2) 하단에 일체된 원판형의 플랜지(3), 그리고 플랜지(3)의 하부에 일정 길이로 형성된 로드(4) 및 이 로드(4)상에서 유동되는 자석(5)으로 이루어진 것임을 알 수 있다.The prior art is to measure the position and level by using the deformation of the pulse by the magnetic, to accommodate the circuit board (1a) inside, the head (1) is provided with a wire insertion portion (1b) on one side ), A neck (2) provided at the lower part of the head (1) and provided with a rotating means (2a), a disk-shaped flange (3) integrated at the bottom of the neck (2), and a flange (3). It can be seen that it consists of a rod 4 formed at a predetermined length in the lower portion and a magnet 5 flowing on the rod 4.

상기한 종래기술의 경우, 유량의 계측이 용이한데 따른 작업성이 뛰어남은 물론, 헤드(1)의 설치각도를 조절할 수 있는 회전수단(2a)이 구비된 넥크(2)나 탱크(6)의 덮개(6a)에 고정이 용이한 플랜지(3) 등으로부터 설치작업이 간편하다는 점에서는 효과가 뛰어난 것이라 할 수 있다.In the case of the prior art described above, the neck 2 or the tank 6 of the neck 2 or the tank 6 provided with the rotation means 2a capable of adjusting the installation angle of the head 1 as well as excellent workability due to easy measurement of the flow rate. It can be said that it is excellent in the point which installation work is easy from the flange 3 etc. which are easy to fix to the cover 6a.

그러나 상기한 종래기술은 회로기판(1a)이 헤드(1) 내에 일괄된 형태로써, 열이나 노이즈(noise) 및 온도 등에 민감한 회로 시스템의 특성을 감안할 때, 계측 정밀도 가 떨어질 수밖에 없다. 특히, 열에 의한 내구성의 저하는 실제 설비의 유지보수 비용을 유발하게 됨으로 경제성이 떨어지는 문제점을 해결할 수 없다.However, in the above-described conventional technology, since the circuit board 1a is integrated in the head 1, the measurement accuracy is inevitably deteriorated in consideration of the characteristics of the circuit system sensitive to heat, noise, and temperature. In particular, the deterioration of durability due to heat causes a maintenance cost of the actual equipment and thus cannot solve the problem of low economic feasibility.

본 발명은 상기한 종래기술의 문제점을 해결하기 위해 안출된 것으로, 본 발명의 목적은 피씨비(Printed Circuit Board, PCB) 형태의 제어부재에서 신호감지부와 작동연산부를 별개로 분리시킴으로써, 안정된 출력과 응답성 제고에 따른 계측 정밀도를 높일 수 있는 비접촉식 변위검출장치를 제공하는데 있다.The present invention has been made to solve the above problems of the prior art, an object of the present invention is to separate the signal detection unit and the operation operation unit in the control unit of the PCB (Printed Circuit Board, PCB) form, to ensure a stable output and It is to provide a non-contact displacement detection device that can increase the measurement accuracy according to the improved response.

그리고 본 발명은 작동연산부를 범용소켓과의 연결이 자유로운 베이스부재 위에 일체시킴으로써, 설치 작업상의 간편성을 도모하며, 설비 호환성은 물론, 경제적 부가가치(Economic Value Added, EVA)의 창출이 용이한 비접촉식 변위검출장치를 제공하기 위한 또 다른 목적이 있다.In addition, the present invention integrates the operation operation unit on the base member freely connected to the general-purpose socket, thereby facilitating installation, non-contact displacement detection, which is easy to create equipment and economic value added (EVA). Another object is to provide a device.

상기한 목적을 달성하기 위한 본 발명의 바람직한 실시형태에 따른 비접촉식 변위검출장치는 제어부재를 이루는 신호감지부와 작동연산부가 별도로 분리된 것에 핵심적인 특징이 있다.Non-contact displacement detection device according to a preferred embodiment of the present invention for achieving the above object is a key feature that the signal sensing unit and the operation calculation unit constituting the control member separately separated.

특히, 본 발명의 제어부재와 작동연산부 각각에는 통신모듈이 구비되어 상호간의 정보교환이 차동식으로 이루어지며, 또 작동연산부는 자동화기기의 범용소켓으로 연결이 자유로운 베이스부재에 일체된 특징이 있다.In particular, each of the control member and the operation operation unit of the present invention is provided with a communication module is a differential information exchange between each other, the operation operation unit is characterized in that it is integral to the base member freely connected to the universal socket of the automation equipment.

이하, 본 발명의 바람직한 실시형태에 따른 구성을 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, a configuration according to a preferred embodiment of the present invention will be described in detail.

도 2에서 도시한 바와 같이, 본 발명의 비접촉식 변위검출장치는 자동화기기나 각종 공작기계, 유압 및 공압 실린더와 같은 것에서 소정의 변동위치 또는, 탱크로리와 같은 것에서 유체의 변화량 등의 계측을 위해 사용하는 것으로, 내부로는 통전수단(12)이 구비되며, 외주면 상에는 환형 자성체인 자기부재(20)가 접촉되지 않게 구비된 로드부재(10)와, 이 로드부재(10)의 헤드부(11)에는 피씨비(PCB)형태의 제어부재(30), 그리고 이 제어부재(30)로 연결되어 정보나 전원을 인가하는 도선부재(40)가 포함된 형태로 이루어진다. 특히, 본 발명의 제어부재(30)는 신호감지부(31)와 작동연산부(32)가 분리된 형태로 그 각각에는 차동식 통신모듈(31c)(32c)을 포함하여 상호 통신이 가능한 별개의 형태로 이루어진다. 즉, 상기 제어부재(30)의 신호감지부(31)는 로드부재(10)의 헤드부(11)에 마련되며, 그 양측으로 통전수단(12) 및 도선부재(40)가 각각 연결된 형태로 이루어진다.As shown in Fig. 2, the non-contact displacement detection apparatus of the present invention is used for measuring a change in fluid at a predetermined fluctuating position in an automatic machine, various machine tools, hydraulic and pneumatic cylinders, or a tank lorry. The inside of the rod member 10 is provided with a power supply means 12, the magnetic member 20, which is an annular magnetic body, on the outer circumferential surface thereof, and the head part 11 of the rod member 10. It consists of a control member 30 in the form of a PCB (PCB), and a conductive member 40 connected to the control member 30 to apply information or power. In particular, the control member 30 of the present invention is a separate form capable of communicating with each other, including a differential communication module (31c, 32c) in each of the signal detection unit 31 and the operation operation unit 32 is separated form Is done. That is, the signal sensing unit 31 of the control member 30 is provided in the head portion 11 of the rod member 10, and the conduction means 12 and the conductive member 40 are connected to both sides thereof. Is done.

본 발명의 로드부재(10)는 소정 길이를 가지는 환형 봉 형태로, 에스유에스(SUS)재질을 적용하여 내구성이 뛰어나게 하고, 내부에는 와이어 형태의 통전수단(12)을 구비하되, 인가되는 펄스의 전달은 물론, 전달과정에서 자기부재(20)에 의한 펄스의 변화를 제어부재(30)의 신호감지부(31)가 감지할 수 있도록 한다.Rod member 10 of the present invention is in the form of an annular rod having a predetermined length, excellent durability by applying the S (SUS) material, there is provided with a wire conduction means 12 in the inside, As well as the transmission, the signal detection unit 31 of the control member 30 can detect the change of the pulse by the magnetic member 20 in the transmission process.

본 발명의 제어부재(30)은 신호감지부(31)와 작동연산부(32)로 이루어진다. 먼저, 신호감지부(31)는 로드부재(10)의 헤드부(11) 내에 마련된 것으로, 초기 전원으로부터 통전수단(12)으로 인가되는 펄스를 일으키는 펄스유발수단(31a)과, 이 펄스가 자기부재(20)의 위치에서 왜곡된 자기(磁氣)비틀림을 감시하는 펄스감지수단(31b), 그리고 이러한 신호를 작동연산부(32)로 인가시키기 위한 통신모듈(32c)이 피씨비(Printed Circuit Board, PCB)형태로 이루어진다.The control member 30 of the present invention is composed of a signal sensing unit 31 and the operation operation unit (32). First, the signal sensing unit 31 is provided in the head portion 11 of the rod member 10, and the pulse inducing means 31a for generating a pulse applied from the initial power source to the energizing means 12, and the pulse is magnetic. The pulse detecting means 31b for monitoring the distorted magnetic distortion at the position of the member 20, and the communication module 32c for applying such a signal to the operation operation unit 32 are printed circuit boards, PCB).

또한, 상기 작동연산부(32)는 기존 로드부재(10)의 헤드부(11)에서 별도로 독립된 형태로써, 신호감지부(31)에서 검출된 정보를 근거로 자기부재(20)의 변위를 일종의 제어 프로그램을 통해 구현하는 중앙처리수단(32d), 이 변위에 상당한 전압 또는 전류와 같은 출력 값으로 전환하는 출력전환수단(32e)(32f), 그리고 상기 신호감지부(31)와 차동식 정보교환을 위한 통신모듈(32c)이 피씨비(Printed Circuit Board, PCB)형태로 이루진다. 여기서, 상기 출력전환수단(32e)(32f)은 검출된 변위에 상당한 전압이나 전류 값으로 전환하기 위한 전압보드 또는 전류보드 형태라 할 수 있다.In addition, the operation operation unit 32 is an independent form of the head portion 11 of the existing rod member 10, a kind of control of the displacement of the magnetic member 20 based on the information detected by the signal detecting unit 31. Central processing means (32d) implemented through a program, output switching means (32e) (32f) for switching to an output value such as voltage or current equivalent to this displacement, and for differential information exchange with the signal detection unit (31) The communication module 32c is formed in the form of a printed circuit board (PCB). Here, the output switching means 32e and 32f may be in the form of a voltage board or a current board for converting a voltage or a current value corresponding to the detected displacement.

특히, 본 발명에 따른 작동연산부(32)는 도 3에서처럼 적용하고자 하는 자동화기기 및 산업현장에서의 연계성을 고려하여 범용소켓(33)과의 연결이 자유로운 베이스부재(32a)에 일체된 형태가 바람직하다. 또한, 상기 베이스부재(32a)에는 하드케이스 형태의 커버부재(32b)를 씌워 체결함으로써, 그 내부에 형성된 피씨비(Printed Circuit Board, PCB)형태의 중앙처리수단(32d) 및 출력전환수단(32e)(32f)이 외부로부터 보호될 수 있도록 하는 것이 좋다. 이때, 상기 커버부재(32b)에는 발광소자(LED)를 이용하여 전원의 인가상태 및 작동상의 에러 등이 표시될 수 있도록 할 수 있으며, 기존 일체형 센서의 치구적인 특성으로 불가능 했던 센서의 추가적인 교정(Calibration)기능 즉, 게인(Gain) 및 영점(Zero) 조정기능을 부가함으로써, 시간 및 환경변수에 유동적인 대응이 가능하고, 계측정밀도를 높일 수 있는 형태로도 좋다.In particular, the operation operation unit 32 according to the present invention is preferably integrated in the base member 32a freely connected to the general purpose socket 33 in consideration of the linkage in the automation equipment and industrial sites to be applied as shown in FIG. Do. In addition, the base member 32a is covered with a hard case-like cover member 32b and fastened to form a central processing unit 32d and an output switching unit 32e in the form of a printed circuit board (PCB) formed therein. It is good to allow 32f to be protected from the outside. At this time, the cover member (32b) can be displayed using the light emitting device (LED) so that the power supply state and operation errors, etc., and additional correction of the sensor that was impossible due to the conventional features of the integrated sensor ( By adding a calibration function, that is, a gain and zero adjustment function, it is possible to flexibly respond to time and environment variables and to increase measurement accuracy.

그리고 본 발명의 신호감지부(31)와 작동연산부(32)는 상기 도선부재(40)를 통해 각각의 통신모듈(31c)(32c)로 연결함으로써, 상호간의 정보교환에 따른 이격거리의 한계를 극복할 수 있는 형태로도 좋다.In addition, the signal detecting unit 31 and the operation operating unit 32 of the present invention are connected to the respective communication modules 31c and 32c through the conductive member 40, thereby limiting the separation distance according to the information exchange between them. It may be in a form that can be overcome.

상기와 같이 구성된 본 발명의 작동관계를 첨부된 도면을 참조하여 설명하면 다음과 같다.Referring to the accompanying drawings the operating relationship of the present invention configured as described above are as follows.

본 발명에 따른 비접촉식 변위검출장치는 도 4에서처럼 통전수단(12)으로 인가된 전류로부터 형성된 소정의 수직자장(12a)과, 로두부재(10) 위를 유동하는 자기부재 (20)에 의한 수평자장(20a)을 통해, 절대영점(zero)에서 자기부재(20)까지의 위치를 펄스감지수단(31b)에서 감지하도록 이루어진다. 즉, 펄스유발수단(31a)으로부터 자기부재(20)에 이르는 펄스의 왕복전이시간을 통전수단(12) 매질의 단위시간당 주행속도로 연산하여 자기부재(20)의 위치를 검출하는 것으로, 위치 및 레벨의 정밀 계측을 위한 자동화관련 시스템 및 산업기계분야에서 널리 사용된다. The non-contact displacement detection device according to the present invention has a predetermined vertical magnetic field 12a formed from a current applied to the energizing means 12 as shown in FIG. 4, and a horizontal magnetic field by the magnetic member 20 flowing over the low head member 10. Through 20a, the pulse sensing means 31b detects the position from the absolute zero to the magnetic member 20. That is, the position of the magnetic member 20 is detected by calculating the reciprocating transition time of the pulse from the pulse inducing means 31a to the magnetic member 20 at the traveling speed per unit time of the medium of the energizing means 12. Widely used in automation related systems and industrial machinery for level precision measurement.

본 발명의 로드부재(10)와 자기부재(20), 신호감지부(31) 및 도선부재(40)는 자동화관련 시스템 및 산업기기 내에서 계측을 요하는 해당부분에 설치되고, 제어부재(30)의 작동연산부(32)는 해당기기의 컨트롤 소켓에 장착되어 연계되게 이루어진다.The rod member 10, the magnetic member 20, the signal sensing unit 31, and the conductive member 40 of the present invention are installed in a corresponding part requiring measurement in an automation related system and industrial equipment, and the control member 30 Operation operation unit 32 of the) is made to be connected to the control socket of the corresponding device.

본 발명의 비접촉식 변위검출장치는 도선부재(40)를 통해 전원이 인가되면 펄스유발수단(31a)에서 통전수단(12)으로 초기 펄스를 인가하고, 이 펄스는 소정의 수직자장(12a)을 형성하며, 통전수단(12)을 따라 진행한다. 이때, 로드부재(10) 상에서 유동되는 자기부재(20)는 적용기기의 위치검출을 위한 구성의 움직임에 의해 그 위치가 정해지며, 상기한 초기 펄스는 통전수단(12)을 따라 자기부재(20)의 소정 위치에서, 자기부재(20)의 수평자장(20a)과 통전수단(12)의 수직자장(12a)의 비틀림으로 초기 펄스에 변형이 발생된다. In the non-contact displacement detection device of the present invention, when power is applied through the conductive member 40, an initial pulse is applied from the pulse inducing means 31a to the energizing means 12, and the pulse forms a predetermined vertical magnetic field 12a. Then, it proceeds along the energization means (12). At this time, the magnetic member 20 flowing on the rod member 10 is determined by the movement of the configuration for detecting the position of the application device, the initial pulse is a magnetic member 20 along the energizing means 12 At a predetermined position, the distortion is generated in the initial pulse due to the torsion of the horizontal magnetic field 20a of the magnetic member 20 and the vertical magnetic field 12a of the energizing means 12.

이러한 초기 펄스의 변형은 다시 통전수단(12)을 통해 신호감지부(31) 즉, 펄스 감지수단(31b)으로 전이되며, 전이된 신호는 통신모듈(31c) 및 도선부재(40)를 거쳐 별도로 마련된 작동연산부(32)의 통신모듈(32c)로 전송된다. 여기서 인가된 신호로부터 소정의 프로세스에 의해 중앙처리수단(32d)에서 자기부재(20)의 해당위치를 산출하는데, 이는 초기 펄스 및 펄스의 변형이 전이된 왕복시간과 통전수단(12)의 매질에 따라 정해진 단위시간당 펄스의 주행속도로부터 자기부재(20)의 위치를 연산하며, 연산된 값은 다시 작동연산부(32)의 출력전환수단(32e)(32f)을 통해 본 발명이 적용된 해당기기의 요구 값 즉, 전류나 전압 값으로 전환하여 베이스부재(32a)를 통해 범용소켓(33)으로 출력함으로써 현장기기에 적용할 수 있게 된다. The deformation of the initial pulse is transferred back to the signal detecting unit 31, that is, the pulse detecting unit 31b through the energizing means 12, and the transferred signal is separately passed through the communication module 31c and the conducting member 40. It is transmitted to the communication module 32c of the operation operation unit 32 provided. Here, the corresponding position of the magnetic member 20 is calculated in the central processing means 32d by a predetermined process from the applied signal, which is based on the round trip time at which the initial pulse and the deformation of the pulse are transferred and the medium of the energizing means 12. The position of the magnetic member 20 is calculated from the traveling speed of the pulse per unit time according to the request, and the calculated value is again requested by the apparatus to which the present invention is applied through the output switching means 32e and 32f of the operation calculation unit 32. In other words, by switching to a current or voltage value and outputting to the general-purpose socket 33 through the base member 32a, it can be applied to field equipment.

이때, 본 발명의 작동연산부(32)를 이루는 커버부재(32b)는 발광소자(LED)로부터 작업자가 전원의 인가상태나 작동 상의 에러 등을 확인할 수 있고, 부가적인 수단들에 의해 센서의 게인(Gain)이나 영점(Zero)과 같은 것의 조정 또한 가능하게도 할 수 있다.At this time, the cover member 32b constituting the operation operation unit 32 of the present invention, the operator can check the power supply state or operation error from the light emitting device (LED), and the gain of the sensor by additional means ( Adjustments such as gain or zero can also be enabled.

상기한 발명의 상세한 설명은 본 발명의 특정 실시형태에 한해서 설명하였으나, 본 발명이 이에 한정되는 것은 아니며, 본 발명의 개념을 이탈하지 않는 범위 내에서 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에 의하여 여러 가지 형태로 변형 또는 변경 실시하는 것 또한 본 발명의 기재된 청구범위에 포함되는 것은 물론이다.Although the above detailed description of the present invention has been described only with respect to specific embodiments of the present invention, the present invention is not limited thereto, and those skilled in the art do not have to depart from the concept of the present invention. It is obvious that modification or change in various forms by the rule is also included in the claims of the present invention.

이상에서 설명한 바와 같이, 본 발명의 비접촉식 변위검출장치는 피씨비(Printed Circuit Board, PCB) 형태의 신호감지부를 작동연산부로 분리시킴으로써, 양자 간에 열이나 온도에 따른 성능저하를 방지할 수 있는 것으로, 안정된 출력과 응답성 제고에 따른 계측성능 즉, 변위계측 정밀도를 높이는 효과가 뛰어나다.As described above, the non-contact displacement detection device of the present invention by separating the signal detection unit of the printed circuit board (PCB) type into the operation calculation unit, it is possible to prevent the performance degradation due to heat or temperature between the two , stable It is effective in improving measurement performance, that is, displacement measurement accuracy, by improving output and responsiveness.

그리고 본 발명은 제어부재의 작동연산부를 범용소켓과의 연결이 자유로운 베이스부재 위에 일체시킴으로써, 설치 작업상의 간편성을 도모하며, 설비 호환성은 물론, 경제적 부가가치(Economic Value Added, EVA)에 대한 창출효과를 기대할 수 있게 된다.In addition, the present invention integrates the operation operation portion of the control member on the base member freely connected to the general-purpose socket, thereby facilitating the installation work, and the effect of creating equipment compatibility as well as economic value added (EVA). You can expect.

Claims (3)

삭제delete 통전수단(12)이 구비된 로드부재(10)와, 상기 로드부재(10)상에 유동 가능하게 마련된 자기부재(20), 그리고 상기 로드부재(10)의 헤드부(11)에 마련된 피씨비(PCB) 형태의 제어부재(30) 및 상기 제어부재(30)의 정보교환이나 전원공급을 위한 도선부재(40)를 포함하여 이루어진 변위검출장치에 있어서,The rod member 10 provided with the energization means 12, the magnetic member 20 provided to be movable on the rod member 10, and the PC ratio (provided in the head portion 11 of the rod member 10) In the displacement detection device comprising a control member 30 in the form of a PCB) and the conductive member 40 for information exchange or power supply of the control member 30, 상기 제어부재(30)는 로드부재(10)의 헤드부(11)에 마련된 신호감지부(31)와, 별도로 분리된 피씨비(PCB) 형태로 범용소켓(33)의 연결이 자유로운 베이스부재(32a)에 일체된 작동연산부(32)를 구비하되, 상기 신호감지부(31)는 통전수단(12)으로 펄스를 일으키는 펄스유발수단(31a) 및 인가된 펄스로부터 상기 자기부재(20)의 위치정보를 검출하는 펄스감지수단(31b)을 포함하고, 상기 작동연산부(32)는 상기 신호감지부(31)에서 검출된 정보로부터 자기부재(20)의 변위를 산출하는 중앙처리수단(32d) 및 산출된 변위에 상당한 전압 또는 전류 값으로 출력하는 출력전환수단(32e)(23f)을 포함하는 것으로, 상기 신호감지부(31) 및 작동연산부(32) 간에 열이나 온도에 따른 성능저하를 방지할 수 있는 것을 특징으로 하는 비접촉식 변위검출장치.The control member 30 is a base member 32a freely connected to the general purpose socket 33 in the form of a separate signal sensing unit 31 provided in the head portion 11 of the rod member 10, a separate PCB (PCB) It is provided with an operating operation unit 32, which is integrated into the signal detecting unit 31 is a pulse inducing means 31a for generating a pulse to the energizing means 12 and the position information of the magnetic member 20 from the applied pulse And a pulse detecting means 31b for detecting a pressure, wherein the operation calculating portion 32 includes a central processing means 32d for calculating a displacement of the magnetic member 20 from the information detected by the signal detecting portion 31, and a calculation. It includes output switching means (32e, 23f) for outputting a significant voltage or current value to the displacement, it is possible to prevent the performance degradation due to heat or temperature between the signal detection unit 31 and the operation operation unit 32 Non-contact displacement detection device, characterized in that. 제 2항에 있어서,The method of claim 2, 상기 제어부재(30)의 신호감지부(31) 및 작동연산부(32)는 정보교환이 가능한 통신모듈(31c)(32c)이 포함된 것을 특징으로 하는 비접촉식 변위검출장치.Non-contact displacement detection device, characterized in that the signal detection unit 31 and the operation operation unit 32 of the control member 30 includes a communication module (31c) (32c) capable of information exchange.
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