CN107449454A - ROFA conveying trolley high-frequency cable scratch-resistant detection device and method - Google Patents
ROFA conveying trolley high-frequency cable scratch-resistant detection device and method Download PDFInfo
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- CN107449454A CN107449454A CN201710764979.3A CN201710764979A CN107449454A CN 107449454 A CN107449454 A CN 107449454A CN 201710764979 A CN201710764979 A CN 201710764979A CN 107449454 A CN107449454 A CN 107449454A
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- 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
- G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
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Abstract
本发明公开一种ROFA输送小车高频电缆防刮擦检测装置及方法，包括检测光纤、放大器、支架、直流电源和控制器。所述的检测光纤通过支架分别安装在ROFA输送小车取电器取电槽的上、下表面位置，光纤的发射端与接收端沿取电槽的上、下表面对角线布置。当高频电缆与取电器取电槽上下表面的距离<5mm时，4对光纤光路其中一路被阻挡，光纤检测放大器输出低电平给PLC控制器的输入端，则判断取电器与高频电缆发生刮擦，通过PLC程序的编写，PLC控制器输出故障信号经光电耦合器送给ROFA小车控制器，通过其程序修改，ROFA输送小车控制器发出停机指令，ROFA输送小车立即停止运行。
The invention discloses an anti-scratch detection device and method for a high-frequency cable of a ROFA transport trolley, which includes a detection optical fiber, an amplifier, a bracket, a DC power supply and a controller. The detection optical fiber is respectively installed on the upper and lower surfaces of the power-taking tank of the ROFA transport trolley through the bracket, and the transmitting end and receiving end of the optical fiber are arranged diagonally along the upper and lower surfaces of the power-taking tank. When the distance between the high-frequency cable and the upper and lower surfaces of the power-taking tank of the electric take-off is <5mm, one of the four pairs of optical fiber optical paths is blocked, and the optical fiber detection amplifier outputs a low level to the input terminal of the PLC controller, and then it is judged that the electric take-off is connected with the high-frequency cable. Scratch occurs, through the writing of PLC program, PLC controller output fault signal to ROFA trolley controller through photocoupler, through its program modification, ROFA conveying trolley controller sends stop command, and ROFA conveying trolley stops running immediately.
Description
技术领域technical field
本发明涉及物流输送设备技术领域，具体是一种ROFA输送小车高频电缆防刮擦检测装置及方法。The invention relates to the technical field of logistics conveying equipment, in particular to an anti-scratch detection device and method for a high-frequency cable of an ROFA conveying trolley.
背景技术Background technique
ROFA输送小车广发应用于物流系统、汽车行业、烟草行业的货物搬运，ROFA输送小车供电系统采用德国WAMPFLER公司的感应式电能传输系统IPT，是基于变压器电磁感应原理来工作的，高频电缆充当变压器的初级、取电器充当变压器的次级。三相380V 50Hz交流电经过IPT控制柜变频升压后，频率升高了400倍，最终输出20KHz，560V的交流电供给高频电缆(初级)。由于频率升高了，这使得在很大的空气间隙范围内传输电能成为可能，ROFA输送小车运行时取电器在轨道上两根高频电缆之间非接触移动。初级侧电缆沿着车辆的轨道安装在的行驶路径上。次级取电器安装在ROFA输送小车上，感应出来的交流电通过控制电路来调节，经过整流变换后供小车系统使用。一旦取电器在车架上的位置不准或高频电缆从支架上脱落时，取电器就会与高频电缆发生刮擦，造成取电器和高频电缆损坏。取电器就会与高频电缆发生刮擦具有偶发性、突发性、间断性等特点，也难以发现。针对上述故障缺陷安装相应的检测剔除装置，现有技术尚没有很好地解决办法。ROFA conveying trolleys are widely used in cargo handling in logistics systems, automobile industry, and tobacco industry. The power supply system of ROFA conveying trolleys adopts the inductive power transmission system IPT of German WAMPFLER company, which works based on the principle of electromagnetic induction of transformers. High-frequency cables act as transformers The primary and take-off devices act as the secondary of the transformer. After the three-phase 380V 50Hz AC power is boosted by the frequency conversion of the IPT control cabinet, the frequency is increased by 400 times, and the final output is 20KHz, and the 560V AC power is supplied to the high-frequency cable (primary). Due to the increased frequency, it is possible to transmit electric energy in a large air gap range, and the pick-up device moves non-contact between the two high-frequency cables on the track when the ROFA transport trolley is running. The primary side cables are installed along the track of the vehicle on the travel path. The secondary electric pick-up is installed on the ROFA conveying trolley, and the induced alternating current is regulated by the control circuit, and is used by the trolley system after being rectified and transformed. Once the position of the electric pick-up on the vehicle frame is not accurate or the high-frequency cable falls off from the bracket, the electric pick-up will scratch with the high-frequency cable, causing damage to the electric pick-up and the high-frequency cable. Scratching between electrical appliances and high-frequency cables has the characteristics of sporadic, sudden, and intermittent, and it is difficult to find. There is still no good solution in the prior art for installing a corresponding detection and elimination device for the above-mentioned fault defects.
发明内容Contents of the invention
本发明的目的是提供一种ROFA输送小车高频电缆防刮擦检测装置，提供一种与ROFA输送小车系统配套，对取电器就会与高频电缆发生刮擦进行检测的装置，不对原机系统产生影响，实现取电器就会与高频电缆发生刮擦进行自动检测停机处理。The purpose of the present invention is to provide a ROFA conveying trolley high-frequency cable anti-scratch detection device, provide a device that is matched with the ROFA conveying trolley system, and detects that the electric pick-up will be scratched with the high-frequency cable. If the system is affected, the power taker will scratch with the high-frequency cable for automatic detection and shutdown processing.
为了解决上述技术问题，本发明的技术方案是：In order to solve the problems of the technologies described above, the technical solution of the present invention is:
一种ROFA输送小车高频电缆防刮擦检测装置，包括检测光纤、放大器、支架、直流电源、光电耦合器和控制器，所述的检测光纤通过支架分别安装在ROFA输送小车取电器取电槽的上、下表面位置，检测光纤包括4个光纤发射端和光纤接收端，光纤的发射端与接收端沿取电槽的上、下表面对角线布置。所述的放大器安装在ROFA输送小车的车架位置，所述的控制器、直流电源、光电耦合器安装在ROFA输送小车的电柜内，通过光电耦合器与ROFA输送小车的控制器连接。A high-frequency cable anti-scratch detection device for a ROFA transport trolley, including a detection optical fiber, an amplifier, a bracket, a DC power supply, a photocoupler and a controller, and the detection optical fiber is respectively installed in the power-taking slot of the ROFA transport trolley through the bracket The detection optical fiber includes 4 optical fiber transmitting ends and optical fiber receiving ends, and the transmitting end and receiving end of the optical fiber are arranged diagonally along the upper and lower surfaces of the electric tank. The amplifier is installed on the frame position of the ROFA conveying trolley, and the controller, DC power supply, and photocoupler are installed in the electric cabinet of the ROFA conveying trolley, and are connected with the controller of the ROFA conveying trolley through the photoelectric coupler.
为保证系统运行稳定，不对原机件工作造成干扰，采用独立PLC控制系统，独立直流电源供电，光电耦合器进行电信号隔离。PLC输出通过光电耦合器连接，信号处理后连接到ROFA输送小车控制器的输入端，以控制ROFA输送小车高频电缆发生刮擦时输出停止指令，达到检测停机处理的效果。In order to ensure the stable operation of the system and not interfere with the work of the original parts, an independent PLC control system is adopted, an independent DC power supply is used for power supply, and a photoelectric coupler is used for electrical signal isolation. The PLC output is connected through a photocoupler, and after signal processing, it is connected to the input terminal of the controller of the ROFA conveying trolley to control the output of a stop command when the high-frequency cable of the ROFA conveying trolley is scratched, so as to achieve the effect of detection and shutdown processing.
一种ROFA输送小车高频电缆防刮擦检测方法，能够针对ROFA输送小车取电器与高频电缆发生刮擦故障时进行检测，设备启动运行，直流电源供给4对放大器、PLC控制器DC24V工作电源，系统正常工作，当高频电缆与取电器取电槽上下表面的距离<5mm时，4对光纤光路其中一路被阻挡，光纤检测放大器输出低电平给PLC控制器的输入端，则判断取电器与高频电缆发生刮擦，通过PLC程序的编写，PLC控制器输出故障信号经光电耦合器送给ROFA小车控制器，ROFA输送小车控制器发出停机指令，ROFA输送小车立即停止运行。A scratch detection method for the high-frequency cable of the ROFA transport trolley, which can detect when the electrical appliances of the ROFA transport trolley and the high-frequency cable are scratched, and the equipment is started and running, and the DC power supply is supplied to 4 pairs of amplifiers and the DC24V working power supply of the PLC controller. , the system is working normally, when the distance between the high-frequency cable and the upper and lower surfaces of the power-taking tank of the electric take-off is <5mm, one of the four pairs of optical fiber optical paths is blocked, and the optical fiber detection amplifier outputs a low level to the input terminal of the PLC controller, then it is judged to take Scratches between electrical appliances and high-frequency cables, through the writing of PLC programs, the PLC controller outputs fault signals to the ROFA trolley controller through the photocoupler, and the ROFA conveying trolley controller sends a shutdown command, and the ROFA conveying trolley stops running immediately.
相对于现有技术，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1、能够准确检测ROFA输送小车高频电缆与取电器取电槽的位置状况，一旦发生刮擦，检测光就会被遮断，光纤接收端接收不到检测光，发出故障信号时ROFA输送小车停机，并从根本上杜绝由于ROFA输送小车高频电缆发生刮擦导致电能传输系统IPT损坏。1. It can accurately detect the position of the high-frequency cable of the ROFA conveying trolley and the power-taking tank of the electrical appliance. Once scratches occur, the detection light will be blocked, and the optical fiber receiving end cannot receive the detection light. When a fault signal is sent, the ROFA conveying trolley will stop , and fundamentally prevent the IPT damage of the power transmission system due to scratches on the high-frequency cables of the ROFA transport trolley.
2、光纤的发射端与接收端沿取电槽的上、下表面对角线布置，能够全面检测ROFA输送小车高频电缆与取电器取电槽的位置状况，ROFA输送小车高频电缆与取电器取电槽任意一点发生刮擦都能被检测，检测全面不留死角。2. The transmitting end and receiving end of the optical fiber are arranged diagonally along the upper and lower surfaces of the electric tank, which can comprehensively detect the position of the high-frequency cable of the ROFA transport trolley and the electric tank of the electrical collector, and the high-frequency cable of the ROFA transport trolley. Scratches at any point of the electric appliance tank can be detected, and the detection is comprehensive without leaving any dead ends.
3、该装置采用光电检测，不会受电能传输系统IPT系统地强磁场干扰，抗干扰能力强，可靠性高。3. The device adopts photoelectric detection, which will not be interfered by the strong magnetic field of the IPT system of the power transmission system, and has strong anti-interference ability and high reliability.
4、该装置与原机设备的完美匹配，用户可在原机设备的人机界面上快速查找到发生刮擦故障的车号、轨道区段号。4. The device perfectly matches the original equipment, and the user can quickly find the car number and track section number where the scratching fault occurred on the man-machine interface of the original equipment.
附图说明Description of drawings
图1为ROFA输送小车的电能传输系统结构图；Figure 1 is a structural diagram of the power transmission system of the ROFA transport trolley;
图2为本发明的结构示意图；Fig. 2 is a structural representation of the present invention;
图3为本发明的工作原理图。Fig. 3 is a working principle diagram of the present invention.
图中：1.高频电源装置2.取电器3.高频电缆4.支架5.光纤发射端；7.光纤接收端；8.光纤检测放大器；9.PLC控制器10.光电耦合器11.直流24V电源。In the figure: 1. High-frequency power supply device 2. Electrical take-off 3. High-frequency cable 4. Bracket 5. Optical fiber transmitting end; 7. Optical fiber receiving end; 8. Optical fiber detection amplifier; 9. PLC controller 10. Photocoupler 11 . DC 24V power supply.
具体实施方式detailed description
实施例1Example 1
如图1所示，ROFA输送小车的电能传输系统由高频电源装置1、取电器2、高频电缆3构成。As shown in Figure 1, the power transmission system of the ROFA transport trolley consists of a high-frequency power supply device 1, a power collector 2, and a high-frequency cable 3.
如图2、图3所示，一种与ROFA输送小车配套，对取电器2就会与高频电缆3发生刮擦进行检测的装置，其基本构成包括：放大器、直流电源(直流24V电源11)、光电耦合器10、单相断路器和控制器。所述放大器为光纤检测放大器8，所述控制器为PLC控制器9。光纤检测放大器8通过PLC控制器9、光电耦合器10与PLC相连，与ROFA输送小车电控系统连接，检测ROFA输送小车高频电缆3与取电器2取电槽的位置状况，一旦发生刮擦，检测光就会被遮断，光纤接收端接收不到检测光，发出故障信号时ROFA输送小车停机，并报警。在本实施例中各电器件采用以下型号：光纤：FU67；光纤放大器：FS-V21RP；光电耦合器：RS24VDC 1C0；PLC控制器：6ES7-315-2EH14-0AB0；直流电源：SDR-120-24。As shown in Figure 2 and Figure 3, a device that is matched with the ROFA transport trolley and detects that the electric pick-up 2 will scratch with the high-frequency cable 3, its basic composition includes: amplifier, DC power supply (DC 24V power supply 11 ), optocoupler 10, single-phase circuit breaker and controller. The amplifier is an optical fiber detection amplifier 8, and the controller is a PLC controller 9. The optical fiber detection amplifier 8 is connected to the PLC through the PLC controller 9 and the photocoupler 10, and is connected to the electronic control system of the ROFA conveying trolley to detect the position of the high-frequency cable 3 of the ROFA conveying trolley and the power-taking tank of the electric take-off 2. Once a scratch occurs , the detection light will be blocked, and the optical fiber receiving end cannot receive the detection light. When a fault signal is sent out, the ROFA transport car will stop and alarm. In this embodiment, the electrical components adopt the following models: optical fiber: FU67; optical fiber amplifier: FS-V21RP; optocoupler: RS24VDC 1C0; PLC controller: 6ES7-315-2EH14-0AB0; DC power supply: SDR-120-24 .
如图2所示，检测光纤包括4个光纤发射端5和光纤接收端7。所述的4个光纤发射端5、光纤接收端7通过支架4安装在取电器2上，光纤检测放大器8安装于ROFA输送小车车身上，4对光纤的发射端、接收端沿取电器的取电槽上下表面对角线安装，距离取电槽上下表面5mm,留有一定的安全距离。放大器信号输出采用屏蔽双绞线，保证检测信号不受干扰。As shown in FIG. 2 , the detection optical fiber includes four optical fiber transmitting ends 5 and optical fiber receiving ends 7 . The four optical fiber transmitting ends 5 and the optical fiber receiving ends 7 are installed on the electric taker 2 through the bracket 4, the optical fiber detection amplifier 8 is installed on the body of the ROFA transport trolley, and the transmitting ends and receiving ends of the 4 pairs of optical fibers are installed along the electric take-off. The upper and lower surfaces of the electric tank are installed diagonally, 5mm away from the upper and lower surfaces of the electric tank, leaving a certain safety distance. The signal output of the amplifier adopts shielded twisted pair to ensure that the detection signal is not disturbed.
如图3所示，设备启动运行，直流电源供给4对放大器、PLC控制器DC24V工作电源，系统正常工作，当高频电缆3与取电器2取电槽上下表面的距离<5mm时，4对光纤光路其中一路被阻挡，光纤检测放大器8输出低电平给PLC控制器的输入端，则判断取电器2与高频电缆3发生刮擦，通过PLC程序的编写，PLC控制器输出故障信号经光电耦合器送给ROFA小车控制器，ROFA输送小车控制器发出停机指令，ROFA输送小车立即停止运行。As shown in Figure 3, the equipment starts to run, and the DC power supplies 4 pairs of amplifiers and PLC controller DC24V working power, and the system works normally. One of the optical fiber optical paths is blocked, and the optical fiber detection amplifier 8 outputs a low level to the input terminal of the PLC controller, and it is judged that the electric pick-up 2 and the high-frequency cable 3 are scratched. Through the programming of the PLC program, the PLC controller outputs a fault signal through The photocoupler is sent to the controller of the ROFA trolley, and the controller of the ROFA conveying trolley sends a shutdown command, and the ROFA conveying trolley stops running immediately.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围之内。The above is only a specific implementation of the present invention, but the scope of protection of the present invention is not limited thereto, and any changes or replacements that do not come to mind through creative work shall be covered within the scope of protection of the present invention.
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Application publication date: 20171208 |