KR20070014770A - Automatic insulating-state testing system for hanger of electro deposition coating process - Google Patents

Automatic insulating-state testing system for hanger of electro deposition coating process Download PDF

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KR20070014770A
KR20070014770A KR1020050069681A KR20050069681A KR20070014770A KR 20070014770 A KR20070014770 A KR 20070014770A KR 1020050069681 A KR1020050069681 A KR 1020050069681A KR 20050069681 A KR20050069681 A KR 20050069681A KR 20070014770 A KR20070014770 A KR 20070014770A
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South Korea
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hanger
unit
vehicle body
probe
rail
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KR1020050069681A
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Korean (ko)
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KR100692764B1 (en
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이창호
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/005—Inspection and final control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/20—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising load-carriers suspended from overhead traction chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/06—Measuring leads; Measuring probes
    • G01R1/067—Measuring probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

An automatic insulation state measuring system of a hanger apparatus for electro-deposition coating process in a vehicle is provided to improve security in working and reliability in measuring by automatically transmitting insulation resistance values from a measuring unit to a control unit, to measure insulation state continuously and repeatedly by detecting breakage from electric spark or arc discharge in advance, and to install easily by simplifying structure. An automatic insulation state measuring system includes a detection unit(150) detecting an approach of a hanger(70), a measuring unit(200) having a first probe(160) contacted to a nonconducting part of the hanger in detecting approach of the hanger by the detection unit and a second probe(180) contacted to a conducting part of the hanger and measuring insulation state of the hanger, and a control unit(300) controlling operation of the measuring unit by receiving signals from the detection unit and displaying data by processing signals from the detection unit and the measuring unit. The first probe is contacted to an end of an insulation member connected to a rail part(72) of the hanger, and the second probe is contacted to the other end of the insulation member connected to a body(71) of the hanger.

Description

차체 전착공정용 행거장치의 절연상태 자동 측정 시스템 {AUTOMATIC INSULATING-STATE TESTING SYSTEM FOR HANGER OF ELECTRO DEPOSITION COATING PROCESS} Automatic measuring system for insulation state of hanger device for car body electrodeposition process {AUTOMATIC INSULATING-STATE TESTING SYSTEM FOR HANGER OF ELECTRO DEPOSITION COATING PROCESS}

도 1은 일반적인 차체 전착공정 시스템을 보여주는 구성도이다.1 is a block diagram showing a typical vehicle body electrodeposition process system.

도 2는 차체 전착공정용 행거의 절연부를 보여주는 확대도이다.Figure 2 is an enlarged view showing the insulation of the hanger for vehicle body electrodeposition process.

도 3은 본 발명에 따른 절연상태 자동 측정 시스템이 적용되는 차체 전착공정용 행거장치를 보여주는 구성도이다.3 is a block diagram showing a hanger device for a vehicle body electrodeposition process is applied to the automatic insulation state measuring system according to the present invention.

도 4는 본 발명에 따른 절연상태 자동 측정 시스템의 측정부의 확대도이다.4 is an enlarged view of a measuring unit of an automatic insulation measuring system according to the present invention.

도 5는 본 발명에 따른 절연상태 자동 측정 시스템의 측정부의 작동 상태도이다.5 is an operational state diagram of the measuring unit of the automatic insulation measuring system according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10: 전착액 20: 전착조10: electrodeposition liquid 20: electrodeposition bath

70: 행거 97: 절연부재70: hanger 97: insulation member

150: 감지부 160: 제 1 프루브 150: detection unit 160: first probe

180: 제 2 프루브 162, 182: 레버180: second probe 162, 182: lever

163, 183: 접촉부 300: 제어유닛163, 183: contact portion 300: control unit

본 발명은 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템에 관한 것으로서, 보다 상세하게는 차량 전착 도장공정 작업 시 발생하는 고압 및 고전류가 외부 설비로 흐르지 않도록 행거장치에 설치된 절연재의 절연상태를 자동으로 측정가능하게 구성되는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템에 관한 것이다. The present invention relates to an automatic insulation resistance measurement system for a vehicle body electrodeposition process hanger, and more particularly, to automatically control the insulation state of the insulation material installed in the hanger device so that high pressure and high current generated during the vehicle electrodeposition coating process does not flow to an external facility. It relates to a system for automatically measuring insulation resistance of a hanger device for an electrode body electrodeposition process configured to be measurable.

일반적으로 자동차의 양산에 있어서 도장공정은 차체가 완성된 후, 차체의 부식을 방지하고 방음과 함께 미관을 수려하게 하여 상품성을 높이기 위한 공정으로, 최근에는 전착도장공정(electro-deposition coating process)이 널리 사용되고 있다. 이러한 전착도장공정에서 전처리 공정을 통과한 차체는 방청과 표면광택의 인자가 되는 전착공정과, 실러를 도포한 후, 도료의 내치핑성, 평활성, 내후성등을 갖게 하는 중도공정 및 미관상의 광택감을 주는 상도의 베이스 공정 및 클리어 공정을 통하여 도장막을 형성하게 된다.In general, in the mass production of automobiles, the coating process is a process to prevent corrosion of the vehicle body and to enhance aesthetics by soundproofing and aesthetics. In recent years, an electro-deposition coating process has been performed. It is widely used. In the electrodeposition coating process, the car body passes the pretreatment process, and the electrodeposition process, which is a factor of rust prevention and surface gloss, and the intermediate process and the aesthetic appearance glossiness, which have the chipping resistance, smoothness, and weather resistance of the paint after applying the sealer. The main layer forms a coating film through a base process and a clear process.

전착공정 시스템은 도 1에 도시된 바와 같이, 전착액(10)이 일정 높이까지 내부에 차있는 전착조(20)와, 상기 전착조 내측벽에 장착되어 상기 전착액(10)에 잠겨있는 전극판들(30)과 상기 전착조(20)의 외부에 구비되며 상기 전극판들(30) 중 하나에 전기적으로 연결되어 고압및 고전류를 공급하는 전착 정류기(40)와, 상기 전착조(20)의 상측에 그 길이방향으로 설비되어 있는 레일(50)과, 상기 레일(50)을 따라 이동가능하게 설치되며, 전착 도장될 차체(60)를 운반하는 행거(70)를 포함하여 구성된다. 여기서, 상기 행거(70)는 접지선(80)을 통해 접지되어 진다.As shown in FIG. 1, the electrodeposition process system includes an electrodeposition tank 20 in which an electrodeposition liquid 10 is filled to a predetermined height, and an electrode mounted on an inner wall of the electrodeposition tank and immersed in the electrodeposition liquid 10. Electrodeposition rectifier 40 is provided on the outside of the plate 30 and the electrodeposition tank 20 and electrically connected to one of the electrode plates 30 to supply a high pressure and a high current, the electrodeposition tank 20 It comprises a rail 50 provided in the longitudinal direction on the upper side, and a hanger 70 is installed to be movable along the rail 50, and carries a vehicle body 60 to be electrodeposited. Here, the hanger 70 is grounded through the ground line (80).

한편, 상기 행거는 상기 차제가 적재되는 본체(71)와, 상기 본체(71)에 연결되어 상기 레일(50)에 이동 가능하게 설치되는 레일부(72)로 구성된다. 여기서, 상기 본체(71)와 상기 레일부(72) 사이에는 상기 전착 정류기로부터 발생되는 고압, 고전류가 상기 레일(50)및 그 레일(50)에 연결된 주변 외부설비물로 통전되는 것을 방지 할 수 있도록 절연부(90)가 설치된다. 도 1에 도시된 A부분은 전기가 통전되는 부분을 나타내고 있으며, B부분은 상기 절연부(90)로 인해 전기의 통전이 차단된 부분을 나타내고 있다.On the other hand, the hanger is composed of a main body (71) on which the vehicle is loaded, and a rail portion (72) connected to the main body (71) so as to be movable on the rail (50). Here, between the main body 71 and the rail unit 72, it is possible to prevent the high voltage and high current generated from the electrodeposition rectifier from being energized to the rail 50 and the peripheral external facilities connected to the rail 50. Insulation 90 is installed so as to. Part A of FIG. 1 represents a portion through which electricity is supplied, and portion B represents a portion where electricity is interrupted due to the insulation portion 90.

도 2는 상기 절연부(90)을 확대 도시하고 있다. 도시된 바와 같이, 상기 절연부(90)는 상기 행거(70)의 본체(71)및 그와 연결되는 레일부(72)의 일측단 사이에 개재되는 제 1 및 제 2 연결부(92, 93)및 상기 제 1, 2 연결부(92, 93)의 양측 사이에 개재되는 절연부재(96)로 구성된다. 상기 절연부재(96)는 내부에 절연물질(97a)이 충진되어 있는 몸체(97)와 상기 몸체(97)의 양측면으로 연장되어 상기 제 1및 2 연결부(92, 93)에 고정되는 고정부(99)로 이루어진다. 상기 고정부(99)는 상기 제 1및 2 연결부(92, 93)에 볼트 체결 가능하도록 그 외주면에 나사산이 형성된다. 2 shows an enlarged view of the insulation 90. As shown, the insulating portion 90 is the first and second connecting portion 92, 93 interposed between the main body 71 of the hanger 70 and one side end of the rail portion 72 connected thereto. And an insulating member 96 interposed between both sides of the first and second connecting portions 92 and 93. The insulating member 96 has a body 97 filled with an insulating material 97a therein and a fixing part extending to both sides of the body 97 to be fixed to the first and second connecting parts 92 and 93. 99). The fixing part 99 is threaded on an outer circumferential surface thereof so as to be bolted to the first and second connecting parts 92 and 93.

그러나, 상기와 같은 절연부(90)가 파괴되어 상기 전착 정류기(40)로부터 공 급되는 고압및 고전류가 접지선(80)및 외부설비물로 누설 될 경우 스파크의 발생으로 설비 파손및 그로 인한 전착도장의 품질 저하문제가 발생하며, 또한 안전성의 문제가 야기된다.However, if the high voltage and high current supplied from the electrodeposited rectifier 40 are leaked to the ground wire 80 and the external equipment due to the breakdown of the insulation 90 as described above, the equipment may be damaged due to the occurrence of sparks and electrodeposition coating resulting therefrom. Problem of quality deterioration occurs and also a problem of safety.

상기한 문제점들을 미연에 방지하기 위해서 상기 절연부재(96)의 절연상태를 측정하는 되는데, 종래에는 작업자가 행거의 도장된 일표면을 그라인딩하여 노출된 스틸부에 메가 측정기(mega tester)를 직접 접촉시켜 행거(70)와 주변 외부설비물간의 저항을 측정하였다.In order to prevent the above problems in advance, the insulation state of the insulation member 96 is measured. In the related art, a worker grinds a coated surface of a hanger to directly contact a mega tester with a exposed steel part. The resistance between the hanger 70 and the surrounding external equipment was measured.

그러나, 종래의 경우와 같이 작업자가 직접 차체 전착공정용 행거의 절연상태를 측정하는 경우, 불필요한 작업시간의 증가가 발생하게 될 뿐만 아니라 작업자가 직접 절연 상태를 측정함에 기인하여 측정된 데이터에 편차가 심하게 발생하게 된다. 이에 따라 측정된 데이터의 신뢰성이 현저히 저하되는 문제점이 있었다. 또한, 이와 아울러 절연 상태 측정의 횟수를 증가시키기 어렵다는 문제점이 있었다.However, when the worker directly measures the insulation state of the body electrode electrodeposition process hanger as in the conventional case, not only an increase in unnecessary work time occurs but also a deviation in the measured data due to the operator's direct insulation state measurement. It happens badly. Accordingly, there is a problem that the reliability of the measured data is significantly lowered. In addition, there was a problem that it is difficult to increase the number of insulation state measurement.

본 발명은 상기한 문제점을 해결하기 위하여 창출된 것으로서, 차량 전착 도장공정 작업 시 발생하는 고압 및 고전류가 외부 설비로 흐르지 않도록 행거장치에 설치된 절연재의 절연상태를 자동으로 측정가능하게 구성되는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템를 제공하는데 그 목적이 있다.The present invention was created to solve the above problems, the vehicle body electrodeposition process is configured to automatically measure the insulation state of the insulation material installed in the hanger device so that high pressure and high current generated during the vehicle electrodeposition coating process operation does not flow to the external equipment The purpose of the present invention is to provide an automatic insulation resistance measurement system for a hanger device.

상기한 과제를 실현하기 위하여 본 발명은 전착탱크의 상측에 차체 진행방향을 따라 배치되는 레일과, 차체를 로딩한 상태로 상기 레일을 따라 전착조내 전착액에 차체를 입조 및 출조시키는 행거로 이루어 지는 차체 전착공정용 행거장치에 있어서, 상기 행거의 진입을 감지하는 감지부와, 상기 감지 스위치에 의해 행거의 진입이 감지될 때 상기 행거의 비통전부에 접촉하는 제 1 프루브와, 상기 행거의 통전부에 접촉하는 제 2 프루브로 구성되어 행거의 절연상태를 측정하는 측정부와, 상기 감지부로 신호를 전달받아 상기 측정부의 작동을 컨트롤함과 아울러 상기 감지부 및 측정부로부터의 신호를 처리하여 사용자에게 처리 데이터를 디스플레이 해주는 제어유닛을 포함하여 구성되는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템을 제공한다.In order to realize the above object, the present invention is made of a rail disposed along the vehicle body traveling direction on the upper side of the electrodeposition tank, and a hanger for entering and dispatching the vehicle body to the electrodeposition liquid in the electrodeposition tank along the rail with the vehicle body loaded. A hanger device for a vehicle body electrodeposition process, comprising: a sensing unit detecting an entry of the hanger, a first probe contacting a non-conductive unit of the hanger when an entry of the hanger is detected by the sensing switch, and an energizing unit of the hanger It consists of a second probe in contact with the measuring unit for measuring the insulation state of the hanger, and receives a signal to the sensing unit to control the operation of the measuring unit and to process the signals from the sensing unit and the measuring unit to the user Insulation resistor of the hanger device for the body electrode electrodeposition process characterized in that it comprises a control unit for displaying the processing data It provides a measurement system.

이하, 첨부된 도면을 참조하여 본 발명의 일실시예를 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

여기서, 종래의 구성과 중복되는 구성에 대해서는 동일한 참조 번호를 부여하여 설명하도록 한다.Here, the same reference numerals will be used to describe components that overlap with the conventional configurations.

도 3은 본 발명에 따른 절연상태 자동 측정 시스템이 적용되는 차체 전착공정용 행거장치를 보여주는 구성도이며, 도 4는 본 발명에 따른 절연상태 자동 측정 시스템의 측정부의 확대도이다.Figure 3 is a block diagram showing a hanger device for a vehicle body electrodeposition process is applied to the automatic insulation state measurement system according to the present invention, Figure 4 is an enlarged view of the measuring unit of the automatic insulation state measurement system according to the present invention.

도면에 도시된 바와 같이, 본 발명의 일실시예에 따른 차체 전착공정용 행거장치의 절연상태 자동 측정 시스템은 외부 설비(미도시)에 고정되어 상기 행거(70)의 진입을 감지하는 감지부(150)와, 상기 감지부(150)에 의해 행거(70)의 진입이 감지될 때 상기 행거(70)의 비통전부(A)에 접촉하는 제 1 프루브(160)와, 상기 행 거(70)의 통전부(B)에 접촉하는 제 2 프루브(180)로 구성되어 행거(70)의 절연상태를 측정하는 측정부(200)와, 상기 감지부(150)로 신호를 전달받아 상기 측정부(200)의 작동을 컨트롤함과 아울러 상기 감지부(150) 및 측정부(200)로부터의 신호를 처리하여 사용자에게 처리 데이터를 디스플레이 해주는 제어유닛(300)을 포함하여 구성된다. 여기서, 상기 감지부(150)는 케이블(155)를 통해 상기 제어유닛(300)과 연결되며, 상기 행거의 레일부(72)중 상기 행거(70)의 진행방향을 기준으로 가장 앞쪽에 설치되어 있는 프론트 레일부(72a)의 진입여부를 감지한다.As shown in the figure, the automatic insulation state measuring system of the hanger device for the vehicle body electrodeposition process according to an embodiment of the present invention is fixed to an external facility (not shown) detecting unit for detecting the entry of the hanger 70 ( 150, the first probe 160 contacting the non-conductive part A of the hanger 70 when the entry of the hanger 70 is detected by the detector 150, and the hanger 70. It is composed of a second probe 180 in contact with the energizing portion (B) of the measuring unit 200 for measuring the insulation state of the hanger 70, and receives the signal to the detection unit 150, the measuring unit ( In addition to controlling the operation of the 200 is configured to include a control unit 300 for processing the signals from the detection unit 150 and the measurement unit 200 to display the processing data to the user. Here, the sensing unit 150 is connected to the control unit 300 through a cable 155, is installed in the front of the rail unit 72 of the hanger on the basis of the traveling direction of the hanger (70) Detects the entry of the front rail (72a).

상기 측정부(200)를 구성하는 상기 제 1및 제 2 프루브(160, 180)은 각각 외부설비(미도시)에 고정되는 베이스(161, 181)와, 상기 베이스(161, 181)에 회동 가능하게 결합되는 레버(162, 182)와, 상기 레버(162, 182)의 끝단에 회전가능하게 연결되어 상기 절연부재(97)의 일단에 접촉되는 접촉부(163, 183)를 포함하여 구성된다. The first and second probes 160 and 180 constituting the measuring unit 200 may be rotated to the bases 161 and 181 fixed to external equipment (not shown), and the bases 161 and 181, respectively. And contact portions 163 and 183 rotatably connected to ends of the levers 162 and 182 and contacting one end of the insulating member 97.

여기서, 상기 제 1 프루브(160)는 상기 행거(70)의 레일부(72)와 연결된 상기 절연부재(97)의 일단에 접촉하며, 상기 제 2 프루브(180)는 상기 행거(70)의 본체(71)와 연결된 상기 절연부재(97)의 타단에 접촉된다. 이때, 상기 절연부재(97)의 양단의 외주면과 각각 접촉하게 되는데, 상기 제 1 및 제 2 프루브(160, 180)의 접촉부(163, 183)의 표면은 상기 절연부재(97)의 양단의 외주면과의 접촉면적을 넓힘과 아울러 접촉성을 높이기 위해서 톱니형으로 형성되는 것이 바람직하다.Here, the first probe 160 is in contact with one end of the insulating member 97 connected to the rail portion 72 of the hanger 70, the second probe 180 is the main body of the hanger 70 The other end of the insulating member 97 connected to the 71 is in contact. In this case, the outer circumferential surfaces of both ends of the insulating member 97 are in contact with each other, and the surfaces of the contact parts 163 and 183 of the first and second probes 160 and 180 are outer circumferential surfaces of both ends of the insulating member 97. It is preferable that it is formed in the shape of a sawtooth in order to increase the contact area with and increase contactability.

또한, 상기 제 1및 제 2 프루브(160, 180)의 구성요소들은 전도도가 좋은 철 혹은 인청동과 같은 재질로 제작되는 것이 바람직하다.In addition, the components of the first and second probes 160 and 180 are preferably made of a material such as iron or phosphor bronze having good conductivity.

한편, 상기 제 1 및 제 2 프루브(160, 180)의 레버(162, 182)는 상기 접촉부(163, 183)를 통해 들어오는 전기적 신호를 상기 제어유닛(300)으로 전하는 케이블(165, 185)이 연결된 통전부(162a, 182a)와, 상기 통전부(162a, 182a)와 전기적으로 절연되며, 상기 베이스(161, 181)에 회동 가능하게 연결되는 비통전부(162b, 182b)로 구성된다. 여기서, 상기 레버(162, 182)의 통전부(162a, 182a)와 비통전부(162b, 182b) 사이에는 전기적 절연을 위해서 절연부재(162c, 182c)가 개재된다.On the other hand, the levers 162 and 182 of the first and second probes 160 and 180 are cables 165 and 185 which transmit electrical signals received through the contact portions 163 and 183 to the control unit 300. The conductive parts 162a and 182a are connected to each other, and the non-conductive parts 162b and 182b are electrically insulated from the conductive parts 162a and 182a and rotatably connected to the bases 161 and 181. Here, insulating members 162c and 182c are interposed between the energizing parts 162a and 182a of the levers 162 and 182 and the non-conductive parts 162b and 182b for electrical insulation.

한편, 상기 제어유닛(300)은 상기 케이블들(155, 165, 185)에 접속되는 메가 측정기와 상기 감지부(150)의 신호를 받는 콘베이어측 PLC(power line communication)와 상기 콘베이어측 PLC에 측정대상 행거의 번호를 송신하는 생산정보 PLC 및 정보 처리부를 포함하여 구성된다. 이와 같이 구성된 본 발명에 따른 차체 전착공정용 행거장치의 절연상태 자동 측정 시스템의 작용을 다음에서 설명한다.The control unit 300 measures a megameter connected to the cables 155, 165, and 185 and a conveyor side PLC (power line communication) receiving the signal from the sensing unit 150 and the conveyor side PLC. It comprises a production information PLC and an information processing unit for transmitting the number of the target hanger. The operation of the automatic insulation state measurement system of the hanger device for a vehicle body electrodeposition process according to the present invention configured as described above will be described below.

우선, 절연상태를 점검할 대상인 행거(70)가 레일(50)을 따라 진입하게 되면, 감지부(150)는 상기 행거(70)의 프론트 레일부(72a)의 진입여부를 감지한다. 이때, 상기 감지부(150)은 콘베이어측 PLC에 행거(70)의 감지 신호를 전송함과 동시에 상기 콘베이어측 PLC는 생산정보PLC로부터 측정 대상 행거(70)의 번호를 송신받게 된다. 한편, 도 5에 도시된 바와 같이, 상기 감지부(150)가 상기 행거(70)의 진입을 감지하게 되면, 상기 측정부(200)의 제 1 및 제 2 프루브(160, 180)의 접촉부(163, 183)는 상기 행거(70)의 레일부(72)및 본체(71)와 연결된 절연부재(97)의 양단의 외주면에 물리적으로 접촉하게 된다. 상기 행거(70)가 상기 레일(50)을 따 라 도면의 C 방향으로 이동할 때 상기 제 1 및 제 2 프루브(160, 180)의 레버(162, 182)는 베이스(161, 181)에 대해서 회동함과 아울러 상기 접촉부(163, 183)가 회전을 하면서 상기 절연부재(97)의 양단의 외주면에 접촉을 유지하게 된다. 이때, 상기 절연부재(97)와 접촉하고 있는 제 1 및 제 2 프루브(160, 180)로부터의 신호는 메가 측정기로 입력되며 입력된 데이타는 정보 처리부로 보내져 저장됨과 아울러 언제든지 작업자가 확인이 가능하게 된다. 또한, 측정된 데이터가 설정된 저항값 이하일 경우, 즉 절연상태가 불량할 경우 콘베이어PLC로 이상신호가 송출되어 작업자가 바로 확인이 가능하게 된다.First, when the hanger 70, which is an object to check the insulation state, enters along the rail 50, the detector 150 detects whether the front rail unit 72a of the hanger 70 enters. At this time, the detection unit 150 transmits the detection signal of the hanger 70 to the conveyor PLC, and the conveyor PLC receives the number of the target hanger 70 from the production information PLC. On the other hand, as shown in Figure 5, when the detection unit 150 detects the entry of the hanger 70, the contact portion (1) of the first and second probes (160, 180) of the measurement unit 200 ( 163 and 183 are in physical contact with the outer circumferential surfaces of both ends of the rail portion 72 and the insulating member 97 connected to the main body 71 of the hanger 70. When the hanger 70 moves along the rail 50 in the C direction of the drawing, the levers 162 and 182 of the first and second probes 160 and 180 rotate with respect to the bases 161 and 181. In addition, the contact parts 163 and 183 rotate to maintain contact with outer peripheral surfaces of both ends of the insulating member 97. At this time, the signals from the first and second probes 160 and 180 which are in contact with the insulating member 97 are input to the megameter, and the input data is sent to the information processing unit and stored, and the operator can check at any time. do. In addition, when the measured data is less than the set resistance value, that is, when the insulation state is poor, the abnormal signal is sent to the conveyor PLC can be immediately confirmed by the operator.

따라서, 상기와 같이 구성되고 작용되는 본 발명에 따른 차체 전착공정용 행거장치의 절연상태 자동 측정 시스템은 측정 대상인 행거의 절연부에 제 1및 제2 프루브로 구성된 측정부가 물리적으로 접촉되어 측정되는 절연 저항 값을 제어유닛에 자동으로 송신함으로써 종래와 같이 작업자가 직접 수작업으로 측정할 때 발생할 수 있는 안전 관련 위험성을 최소화시킴과 아울러 반복 작업성 및 측정 신뢰성이 향상된다. 그리고, 전기적인 스파크 및 주변 설비의 아크방전에 의한 절연부재의 파손이 발생하기 전에 이상여부를 사전 감지할 수 있게 되며, 작업자 없이 지속적이고 반복적으로 절연상태 측정을 시행할 수 있게 되는 이점이 있다. 또한, 구성이 간단하여 기존의 차체 전착용 행거 시스템에 적용 및 설치가 용이하며, 초기 세팅 후 재조정등의 보전 작업이 거의 필요 없는 이점이 있다.Therefore, in the insulation state automatic measurement system of the hanger device for a vehicle body electrodeposition process according to the present invention constructed and operated as described above, the insulation portion of the hanger which is the measurement target is measured by physically contacting the measurement portion composed of the first and second probes. By automatically sending the resistance value to the control unit, it minimizes the safety-related risks that can occur when the operator makes manual measurements as in the prior art, while also improving repeatability and measurement reliability. In addition, it is possible to detect in advance whether an abnormality occurs before the breakage of the insulating member due to the arc discharge of the electrical spark and the surrounding equipment, there is an advantage that the insulation state measurement can be carried out continuously and repeatedly without the operator. In addition, the configuration is simple and easy to apply and install in the existing vehicle body electrodeposition hanger system, there is an advantage that almost no maintenance work such as readjustment after the initial setting.

Claims (6)

전착탱크의 상측에 차체 진행방향을 따라 배치되는 레일부와, 차체를 로딩한 상태로 상기 레일부를 따라 전착탱크 내 전착액에 차체를 입조 및 출조시키는 행거로 이루어 지는 차체 전착공정용 행거장치에 있어서,In the hanger device for the vehicle body electrodeposition process consisting of a rail unit disposed on the upper side of the electrodeposition tank along the vehicle body traveling direction, and a hanger for forming and discharging the vehicle body to the electrodeposition liquid in the electrodeposition tank along the rail portion with the vehicle body loaded. , 외부 설비에 고정되어 상기 행거의 진입을 감지하는 감지부와;A detector configured to be fixed to an external facility and detect entry of the hanger; 외부 설비에 고정되어 상기 감지부에 의해 행거의 진입이 감지될 때 상기 행거의 비통전부에 접촉하는 제 1 프루브와, 상기 행거의 통전부에 접촉하는 제 2 프루브로 구성되어 행거의 절연상태를 측정하는 측정부와;It is fixed to an external facility and consists of a first probe that contacts the non-conductive part of the hanger when the entrance of the hanger is detected by the sensing unit, and a second probe that contacts the live part of the hanger to measure the insulation state of the hanger. Measuring unit; 상기 감지부로 신호를 전달받아 상기 측정부의 작동을 컨트롤함과 아울러 상기 감지부 및 측정부로부터의 신호를 처리하여 사용자에게 처리 데이터를 디스플레이 해주는 제어유닛을 포함하여 구성되는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템.The control unit for receiving the signal to the sensing unit to control the operation of the measuring unit and processing the signals from the sensing unit and the measuring unit to display the processing data to the user, characterized in that the vehicle body electrodeposition process Automatic insulation measurement system of hanger device. 제 1 항에 있어서,The method of claim 1, 상기 행거는 상기 레일에 이동가능하게 연결되는 레일부와, 상기 레일부에 연결되며 차체가 로딩되는 본체와 상기 레일부와 상기 본체 사이에 개재되어 상기 레일부와 상기 본체를 전기적으로 절연시키는 절연부재로 구성되며, 상기 제 1 프루브는 상기 레일부와 연결된 상기 절연부재의 일단에 접촉하며, 상기 제 2 프루브 는 상기 본체와 연결된 상기 절연부재의 타단에 접촉되는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템.The hanger includes a rail part movably connected to the rail, an insulating member connected between the rail part and the body to which the vehicle body is loaded and interposed between the rail part and the main body to electrically insulate the rail part from the main body. The first probe is in contact with one end of the insulating member connected to the rail, the second probe is in contact with the other end of the insulating member connected to the main body hanger device for the electrodeposition process. Automatic insulation resistance measurement system. 제 2 항에 있어서, 상기 제 1 및 제 2 프루브는 각각 외부설비에 고정되는 베이스와, 상기 베이스에 회동 가능하게 결합되는 레버와, 상기 레버의 끝단에 회전가능하게 연결되어 상기 절연부재의 일단에 접촉되는 접촉부를 포함하여 구성되는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템.According to claim 2, wherein the first and second probes are respectively fixed to an external facility, a lever rotatably coupled to the base, and rotatably connected to the end of the lever is connected to one end of the insulating member Automatic insulation resistance measurement system of the hanger device for a body electrode electrodeposition process comprising a contact portion in contact. 제 3 항에 있어서,The method of claim 3, wherein 상기 레버는 상기 접촉부를 통해 들어오는 전기적 신호를 상기 제어유닛으로 전하는 케이블이 연결된 통전부와, 상기 통전부와 전기적으로 절연되는 비통전부로 이루어 지는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템.The lever is an insulating resistance of the vehicle body electrodeposition process hanger device is characterized in that the electric current is transmitted through the contact unit to the control unit is connected to the control unit, and the non-conductive unit electrically insulated from the conductive unit. Measuring system. 상기 레버의 통전부와 비통전부 사이에는 절연부재가 개재되는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템.Insulation resistance automatic measurement system of the hanger device for the body electrode electrodeposition process characterized in that the insulating member is interposed between the energized portion and the non-electrical portion of the lever. 제 3 항에 있어서,The method of claim 3, wherein 상기 행거의 절연부재의 일단과 접촉하는 상기 제 1 및 제 2 프루브의 접촉부의 표면은 톱니형으로 형성되는 것을 특징으로 하는 차체 전착공정용 행거장치의 절연저항 자동 측정 시스템.Surface of the contact portion of the first and second probes in contact with one end of the insulating member of the hanger is formed in a sawtooth shape, characterized in that the automatic insulation resistance measurement system of the hanger device for a vehicle body electrodeposition process.
KR1020050069681A 2005-07-29 2005-07-29 Automatic insulating-state testing system for hanger of electro deposition coating process KR100692764B1 (en)

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CN112180170B (en) * 2020-09-28 2024-03-22 广汽本田汽车有限公司 Insulation detection method, system and device for lifting appliance and storage medium
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CN113607984B (en) * 2021-06-28 2022-05-31 昆山兢美电子科技有限公司 Flying probe testing machine and flying probe module thereof

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