WO2022109766A1 - Automatic optical inspection apparatus with safety control type motor - Google Patents

Automatic optical inspection apparatus with safety control type motor Download PDF

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Publication number
WO2022109766A1
WO2022109766A1 PCT/CN2020/131027 CN2020131027W WO2022109766A1 WO 2022109766 A1 WO2022109766 A1 WO 2022109766A1 CN 2020131027 W CN2020131027 W CN 2020131027W WO 2022109766 A1 WO2022109766 A1 WO 2022109766A1
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WO
WIPO (PCT)
Prior art keywords
motor
safety
edge filter
logic device
automatic optical
Prior art date
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PCT/CN2020/131027
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French (fr)
Chinese (zh)
Inventor
杨红军
胡冰峰
陈朋飞
Original Assignee
苏州康代智能科技股份有限公司
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Application filed by 苏州康代智能科技股份有限公司 filed Critical 苏州康代智能科技股份有限公司
Priority to PCT/CN2020/131027 priority Critical patent/WO2022109766A1/en
Publication of WO2022109766A1 publication Critical patent/WO2022109766A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters

Definitions

  • the invention relates to the field of automatic optical inspection equipment, in particular to an automatic optical inspection equipment with a safety control type motor.
  • the statistics of PCB scanning and maintenance data on the market still remain in manual recording data or using the database system CDB to automatically collect and count the data scanned by the automatic optical inspection equipment (AOI) on the PCB board and the maintenance of the PCB board on the CVR side.
  • Data during maintenance, the operator needs to memorize the defect code and manually input the defect code to count the defects of the PCB board, which is not only inconvenient to operate, but also prone to errors in memory.
  • the automatic optical inspection equipment (AOI) in the prior art performs mobile scanning, it is difficult for the existing drive motor to move the PCB to be tested accurately and effectively, and there is a great potential safety hazard, which is prone to actual control and transmission. Instructions are out of sync or even mismatched.
  • the present invention provides an automatic optical detection device with a safety-controlled motor, and the technical solution is as follows:
  • the present invention provides an automatic optical inspection device with a safety-controlled motor, comprising a movable platform, a motor, a scanning camera, a security module and a power supply,
  • the movable platform includes a carrier plate and a base, the carrier plate is used for Loading the PCB to be tested, the motor is used to drive the carrier to move on the base, the scanning camera is arranged above the movable platform, and is used to scan the PCB to be tested,
  • the security module includes an editable logic device, an intelligent motor controller and an edge filter, the editable logic device is electrically connected to the intelligent motor controller and the edge filter at the same time, and the intelligent motor controller is also connected to the power supply , the motor is electrically connected with the intelligent motor controller through the edge filter, and the programmable logic device is used to control the edge filter to cut off the electrical connection between the motor and the intelligent motor controller , and controlling the intelligent motor controller to turn off the power supply.
  • the motor includes a first motor and a second motor, the first motor is used for driving the carrier board to move back and forth on the base, and the second motor is used for driving the carrier board on the base Move left and right.
  • the edge filter includes a first edge filter and a second edge filter, both the first edge filter and the second edge filter are connected to the editable logic device, and the first edge filter and the second edge filter are both connected to the editable logic device.
  • the motor is connected to the intelligent motor controller through the first edge filter, and the second motor is connected to the intelligent motor controller through the second edge filter.
  • the editable logic device is provided with a signal access port, and the editable logic device receives the safety light curtain signal, the safety light curtain shielding signal and the motor switch signal through the signal access port.
  • the intelligent motor controller is provided with a display screen for accepting and displaying the safety light curtain signal transmitted by the intelligent motor controller.
  • the automatic optical detection equipment also includes an overhaul module, the overhaul module includes a data storage unit, a control panel and a comparison unit, the PCB to be tested is provided with a code associated with its own detection information, and the data storage unit is used for In order to pre-store the detection information of the PCB to be tested, the control panel is used to output the corresponding detection information in the data storage unit to the comparison unit according to the code of the PCB to be tested, and the comparison unit It is used to compare the detection information of the PCB to be tested with the image of the PCB to be tested correspondingly obtained by the scanning camera, and output the comparison result to the control panel.
  • the overhaul module includes a data storage unit, a control panel and a comparison unit
  • the PCB to be tested is provided with a code associated with its own detection information
  • the data storage unit is used for
  • the control panel is used to output the corresponding detection information in the data storage unit to the comparison unit according to the code of the PCB to be tested
  • the comparison unit It is used to compare the detection information of
  • control panel is provided with a touch screen, and the touch screen is used to input the code of the PCB to be tested and display the test result.
  • the editable logic device is integrated with the maintenance module, and the editable logic device is a CPLD chip.
  • the editable logic device is provided with a wireless communication unit, and the editable logic device is communicatively connected with an external mobile device through the wireless communication unit.
  • the wireless communication unit uses Bluetooth, GPRS, 4G, 5G to output or receive signals.
  • FIG. 1 is a schematic structural diagram of an automatic optical inspection device with a safety-controlled motor provided by an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a safety module of an automatic optical detection device with a safety-controlled motor provided by an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a movable platform of an automatic optical inspection device with a safety-controlled motor provided by an embodiment of the present invention.
  • an automatic optical inspection device with a safety-controlled motor comprising a movable platform, a motor, a scanning camera, a safety module and a power supply
  • the movable platform includes a carrier A board and a base
  • the carrier is used to load the PCB to be tested
  • the motor drives the carrier to move on the base
  • the scanning camera is arranged above the movable platform, and is used to scan the to-be-tested Test PCB board
  • the security module includes an editable logic device, an intelligent motor controller and an edge filter
  • the editable logic device is electrically connected with the intelligent motor controller and the edge filter at the same time
  • the intelligent motor controller is also connected with The power supply is connected
  • the motor is electrically connected to the intelligent motor controller through the edge filter
  • the intelligent motor controller outputs the detected motor running signal to the programmable logic device
  • the programmable logic device Editing logic can control the edge filter to cut off the electrical connection between the motor and the intelligent motor controller, and control the intelligent motor controller to turn off the power supply.
  • the motor includes a first motor and a second motor.
  • the first motor drives the carrier to move forward and backward on the base, that is, to move in the Y direction
  • the second motor drives the carrier to move in the Y direction.
  • the base moves left and right, that is, moves in the X direction
  • the edge filter includes a first edge filter and a second edge filter, and the first edge filter and the second edge filter are the same as the
  • the programmable logic device is connected, the first motor is connected with the intelligent motor controller through the first edge filter, and the second motor is connected with the intelligent motor controller through the second edge filter;
  • the editable logic device is provided with a signal access port and a wireless communication unit, the editable logic device can be preferentially a CPLD chip, and the editable logic device receives the safety light curtain signal and the safety light curtain shielding through the signal access port.
  • signal and motor switch signal the intelligent motor controller is provided with a display screen, the display screen can accept and display the safety light curtain signal transmitted by the intelligent motor controller, and the programmable logic device passes through the wireless communication unit Connecting with external mobile devices for communication, the wireless communication unit outputs or receives signals by means of Bluetooth, GPRS, 4G and 5G.
  • the programmable logic device switches between different operating modes according to the motor switch signal, the safety light curtain signal, the safety light curtain shielding signal and the motor running signal detected by the intelligent motor controller,
  • the operating modes include safety light curtain mode, safety light curtain muting mode and emergency stop mode.
  • the safety light curtain muting signal and the motor switch signal are 0, the safety light curtain mode is entered; when the safety light curtain muting signal is 1 and the motor switch signal is 1 When it is 0, it enters the safety light curtain shielding mode; when the motor switch signal is 1, it enters the emergency stop mode.
  • the editable logic device transmits the safety light curtain trigger signal to the intelligent motor controller, and the intelligent motor controller transmits the signal to the display screen and displays it on the display.
  • the screen shows that when the intelligent motor controller detects that the running signal of the motor is 1 and outputs the signal to the editable logic device, that is, when the motor is running, the editable logic device outputs a motor shutdown signal to the intelligent motor controller, and the intelligent motor controller turns off the motor power.
  • the programmable logic device transmits the stop signal of the motor to the two edge filters, and the two edge filters cut off the intelligent motor controller and the two edge filters respectively.
  • the electrical connection between the two motors is used to stop the operation of the motors; when the intelligent motor controller detects that the running signal of the motor is 0, and outputs the signal to the programmable logic device, that is, when the motor does not drive the shaft to run, The programmable logic device does not send control commands.
  • the programmable logic device transmits the safety light curtain trigger signal to the intelligent motor controller, and the intelligent motor controller transmits the signal to the display screen , and displayed on the display screen, the editable logic device does not issue control commands.
  • the editable logic device outputs a motor shutdown signal to the intelligent motor controller, and the intelligent motor controller turns off the power of the motor, and at the same time, the editable logic device sends the stop signals of the two motors They are respectively transmitted to the corresponding two edge filters, and the two edge filters cut off the electrical connection between the intelligent motor controller and the two motors respectively, so as to stop the running of the motors.
  • the embodiment of the present invention can cope with different usage scenarios of the equipment.
  • the safety light curtain mode is operated, which can protect the safety of operators and avoid dangerous operations;
  • the safety light curtain needs to be shielded for online maintenance, etc. run the safety light curtain shielding mode to prevent the motor from turning off by mistake; in the event of an accident, when the motor needs to be stopped urgently, no matter what mode the device was in before, the motor can be quickly and effectively turned off, with high safety.
  • the automatic optical inspection equipment further includes a maintenance module
  • the editable logic device can be integrated with the maintenance module
  • the maintenance module includes a data storage unit, a control panel and a comparison unit
  • the PCB to be tested is provided with a code associated with its own detection information
  • the data storage unit is used to pre-store the detection information of the PCB to be tested
  • the control panel stores the detection information of the PCB to be tested according to the code of the PCB to be tested.
  • the corresponding detection information in the data storage unit is output to the comparison unit
  • the comparison unit compares the detection information of the PCB to be tested with the image of the PCB to be tested correspondingly obtained by the scanning camera, and compares The result is output to the control panel.
  • the comparison unit compares and identifies the acquired PCB board image to be tested with the corresponding detection information in the data storage unit in a grayscale mode, and automatically finds out abnormal points. Record the PCB board to be tested as a unit.
  • the control panel can input the code or identify the coded information according to the scanning of the scanning camera, so as to retrieve the relevant detection information and output it to the comparison unit.
  • control panel is provided with a touch screen
  • the touch screen can input the code of the PCB to be tested and display the test result
  • the user can use the auxiliary function of the touch screen to save the trouble of memorizing the defect code by the employees, and click the defect picture through the touch screen It also improves the accuracy of defect classification by employees, thereby improving the accuracy of the database system CDB.
  • the automatic optical detection equipment provided by the present invention with a safety-controlled motor can automatically and intelligently judge and detect, with high efficiency, double safety control of the motor, ensuring effective shutdown of the motor, avoiding potential safety hazards, and having a variety of safety modes to cope with different It can also improve the utilization rate of AOI and CVR, and can share the maintenance workload of CVR, and use the AOI machine to scan idle to repair the PCB board, improve the utilization rate of the AOI machine, and further improve the customer's production capacity.
  • any reference signs placed between parentheses shall not be construed as limiting the claim.
  • the word “comprising” does not exclude the presence of other elements or steps listed in a claim statement.
  • the terms “a” or “an” are defined as one or more than one.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

An automatic optical inspection apparatus with a safety control type motor, comprising a movable platform, a motor, a scanning camera, a safety module and a power supply, wherein the movable platform comprises a carrier plate and a base table, the carrier plate being configured for loading a PCB to be inspected; the motor is configured for driving the carrier plate to move on the base table; the scanning camera is arranged above the movable platform; and the safety module comprises an editable logic device, an intelligent motor controller and an edge filter, the editable logic device being electrically connected to each of the intelligent motor controller and the edge filter, the intelligent motor controller being further connected to the power supply, and the motor being electrically connected to the intelligent motor controller by means of the edge filter. The automatic optical inspection apparatus can automatically and intelligently perform determination and inspection with high efficiency and has double safety control of the motor, so as to ensure the effective shutdown of the motor and prevent potential safety hazards.

Description

一种具有安全控制型马达的自动光学检测设备An automatic optical inspection device with a safety-controlled motor 技术领域technical field
本发明涉及自动光学检测设备领域，尤其涉及一种具有安全控制型马达的自动光学检测设备。The invention relates to the field of automatic optical inspection equipment, in particular to an automatic optical inspection equipment with a safety control type motor.
背景技术Background technique
目前市面上对PCB扫描检修的数据的统计还停留在人工记录数据或者使用数据库***CDB自动收集并统计在自动光学检测设备(AOI)对PCB板扫描的数据以及在CVR端对PCB板进行检修的数据，检修时需要操作员自行记忆缺陷代码并手动输入缺陷代码来对PCB板的缺陷进行统计，不仅操作不方便，难免容易发生记错等现象。而且现有技术中的自动光学检测设备(AOI)在进行移动扫描时，现有的驱动马达很难精确有效地移动待测的PCB板，并存在较大的安全隐患，容易出现实际控制与发出指令不同步甚至不匹配的问题。At present, the statistics of PCB scanning and maintenance data on the market still remain in manual recording data or using the database system CDB to automatically collect and count the data scanned by the automatic optical inspection equipment (AOI) on the PCB board and the maintenance of the PCB board on the CVR side. Data, during maintenance, the operator needs to memorize the defect code and manually input the defect code to count the defects of the PCB board, which is not only inconvenient to operate, but also prone to errors in memory. Moreover, when the automatic optical inspection equipment (AOI) in the prior art performs mobile scanning, it is difficult for the existing drive motor to move the PCB to be tested accurately and effectively, and there is a great potential safety hazard, which is prone to actual control and transmission. Instructions are out of sync or even mismatched.
发明内容SUMMARY OF THE INVENTION
为了解决现有技术的问题，本发明提供了一种具有安全控制型马达的自动光学检测设备，所述技术方案如下：In order to solve the problems of the prior art, the present invention provides an automatic optical detection device with a safety-controlled motor, and the technical solution is as follows:
本发明提供了一种具有安全控制型马达的自动光学检测设备，包括可移动平台、马达、扫描摄像头、安全模块和电源，所述可移动平台包括载板和基台，所述载板用于装载待测PCB板，所述马达用于驱动载板在所述基台上移动，所述扫描摄像头设置于所述可移动平台上方，并用于扫描所述待测PCB板，The present invention provides an automatic optical inspection device with a safety-controlled motor, comprising a movable platform, a motor, a scanning camera, a security module and a power supply, the movable platform includes a carrier plate and a base, the carrier plate is used for Loading the PCB to be tested, the motor is used to drive the carrier to move on the base, the scanning camera is arranged above the movable platform, and is used to scan the PCB to be tested,
所述安全模块包括可编辑逻辑器件、智能马达控制器和边缘滤波器，所述可编辑逻辑器件同时与智能马达控制器和边缘滤波器电连接，所述智能马达控制器还与所述电源连接，所述马达通过所述边缘滤波器与所述智能马达控制器电连接，所述可编辑逻辑器件用于控制所述边缘滤波器切断所述马达与所述智能马达控制器之间的电连接，以及控制所述智能马达控制器关闭所述电源。The security module includes an editable logic device, an intelligent motor controller and an edge filter, the editable logic device is electrically connected to the intelligent motor controller and the edge filter at the same time, and the intelligent motor controller is also connected to the power supply , the motor is electrically connected with the intelligent motor controller through the edge filter, and the programmable logic device is used to control the edge filter to cut off the electrical connection between the motor and the intelligent motor controller , and controlling the intelligent motor controller to turn off the power supply.
进一步地，所述马达包括第一马达和第二马达，所述第一马达用于驱动载板在所述基台上前后移动，所述第二马达用于驱动载板在所述基台上左右移动。Further, the motor includes a first motor and a second motor, the first motor is used for driving the carrier board to move back and forth on the base, and the second motor is used for driving the carrier board on the base Move left and right.
进一步地，所述边缘滤波器包括第一边缘滤波器和第二边缘滤波器，所述第一边缘滤波器和所述第二边缘滤波器均与所述可编辑逻辑器件连接，所述第一马达通过所述第一边缘滤波器与所述智能马达控制器连接，所述第二马达通过所述第二边缘滤波器与所述智能马达控制器连接。Further, the edge filter includes a first edge filter and a second edge filter, both the first edge filter and the second edge filter are connected to the editable logic device, and the first edge filter and the second edge filter are both connected to the editable logic device. The motor is connected to the intelligent motor controller through the first edge filter, and the second motor is connected to the intelligent motor controller through the second edge filter.
进一步地，所述可编辑逻辑器件设有信号接入端口，所述可编辑逻辑器件通过信号接入端口接收安全光幕信号、安全光幕屏蔽信号和马达开关信号。Further, the editable logic device is provided with a signal access port, and the editable logic device receives the safety light curtain signal, the safety light curtain shielding signal and the motor switch signal through the signal access port.
进一步地，所述智能马达控制器设有用于接受并显示所述智能马达控制器传递的安全光幕信号的显示屏。Further, the intelligent motor controller is provided with a display screen for accepting and displaying the safety light curtain signal transmitted by the intelligent motor controller.
进一步地，所述自动光学检测设备还包括检修模块，所述检修模块包括资料存储单元、控制面板和对比单元，所述待测PCB板设有关联自身检测信息的编码，所述资料存储单元用于预先存储所述待测PCB板的检测信息，所述控制面板用于根据所述待测PCB板的编码将所述资料存储单元中的相应检测信息输出至所述对比单元，所述对比单元用于将所述待测PCB板的检测信息与所述扫描摄像头相应获取的待测PCB板图像进行比对，并将比对结果输出至所述控制面板。Further, the automatic optical detection equipment also includes an overhaul module, the overhaul module includes a data storage unit, a control panel and a comparison unit, the PCB to be tested is provided with a code associated with its own detection information, and the data storage unit is used for In order to pre-store the detection information of the PCB to be tested, the control panel is used to output the corresponding detection information in the data storage unit to the comparison unit according to the code of the PCB to be tested, and the comparison unit It is used to compare the detection information of the PCB to be tested with the image of the PCB to be tested correspondingly obtained by the scanning camera, and output the comparison result to the control panel.
进一步地，所述控制面板设有触摸屏，所述触摸屏用于输入所述待测PCB板的编码以及显示检测结果。Further, the control panel is provided with a touch screen, and the touch screen is used to input the code of the PCB to be tested and display the test result.
进一步地，所述可编辑逻辑器件与所述检修模块一体集成，所述可编辑逻辑器件为CPLD芯片。Further, the editable logic device is integrated with the maintenance module, and the editable logic device is a CPLD chip.
进一步地，所述可编辑逻辑器件设有无线通信单元，所述可编辑逻辑器件通过所述无线通信单元与外部移动设备通讯连接。Further, the editable logic device is provided with a wireless communication unit, and the editable logic device is communicatively connected with an external mobile device through the wireless communication unit.
进一步地，所述无线通信单元采用蓝牙、GPRS、4G、5G方式输出或接受信号。Further, the wireless communication unit uses Bluetooth, GPRS, 4G, 5G to output or receive signals.
本发明具有如下有益效果：The present invention has the following beneficial effects:
a.自动化智能化判断检测，效率高效；a. Automatic and intelligent judgment and detection, efficient and efficient;
b.对马达的双重安全控制，确保有效关闭马达，避免安全隐患；b. Double safety control of the motor to ensure effective shutdown of the motor and avoid potential safety hazards;
c.设有多种安全模式，以应对不同的使用场景。c. There are multiple security modes to deal with different usage scenarios.
附图说明Description of drawings
被视为本发明的主题在说明书的结论部分中被特别指出并清楚地主张权利。然而，当结合附图一起参阅时，通过参考以下详细描述可以最佳地理解本发明的组织、操作方法，以及主题、特征和优点，其中：The subject matter that is regarded as the invention is particularly pointed out and distinctly claimed in the concluding portion of the specification. However, the organization, method of operation, and subject matter, features, and advantages of the present invention are best understood by reference to the following detailed description when read in conjunction with the accompanying drawings, wherein:
图1是本发明实施例提供的具有安全控制型马达的自动光学检测设备结构示意图；1 is a schematic structural diagram of an automatic optical inspection device with a safety-controlled motor provided by an embodiment of the present invention;
图2是本发明实施例提供的具有安全控制型马达的自动光学检测设备的安全模块结构示意图；2 is a schematic structural diagram of a safety module of an automatic optical detection device with a safety-controlled motor provided by an embodiment of the present invention;
图3是本发明实施例提供的具有安全控制型马达的自动光学检测设备的可移动平台结构示意图。3 is a schematic structural diagram of a movable platform of an automatic optical inspection device with a safety-controlled motor provided by an embodiment of the present invention.
具体实施方式Detailed ways
在以下详细描述中，阐述了许多具体细节以便提供对本发明的透彻理解。然而，本领域技术人员将理解，可以在没有这些具体细节的情况下实践本发明。在其他情况下，没有详细描述众所周知的方法，过程和组件，以免模糊本发明。In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, one skilled in the art will understand that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures and components have not been described in detail so as not to obscure the present invention.
被视为本发明的主题在说明书的结论部分中被特别指出并清楚地主张权利。然而，当结合附图一起参阅时，通过参考以下详细描述可以最佳地理解本发明的组织、操作方法，以及主题、特征和优点。The subject matter that is regarded as the invention is particularly pointed out and distinctly claimed in the concluding portion of the specification. However, the organization, method of operation, and subject matter, features, and advantages of the present invention are best understood by reference to the following detailed description, when read in conjunction with the accompanying drawings.
应当理解，为了说明的简单和清楚，图中所示的元件不一定按比例绘制。例如，为了清楚起见，一些元件的尺寸可能相对于其他元件被放大。It will be appreciated that for simplicity and clarity of illustration, elements shown in the figures have not necessarily been drawn to scale. For example, the dimensions of some of the elements may be exaggerated relative to other elements for clarity.
由于本发明的说明性实施例在很大程度上可使用本领域技术人员熟知的电子元件和电路来实施，如上文所述，在认为必要的范围之外，不会对细节作更大的解释，以便理解和体会本发明的基本概念，以免混淆或分散本发明的教导。Since the illustrative embodiments of the invention may be practiced to a large extent using electronic components and circuits well known to those skilled in the art, as described above, no further detail will be explained beyond what is deemed necessary , in order to understand and appreciate the basic concepts of the present invention so as not to obscure or distract the teachings of the present invention.
在本发明的一个实施例中，提供了一种具有安全控制型马达的自动光学检测设备，参见图1，包括可移动平台、马达、扫描摄像头、安全模块和电源，所述可移动平台包括载板和基台，所述载板用于装载待测PCB板，所述马达驱动载板在所述基台上移动，所述扫描摄像头设置于所述可移动平台上方，并用于扫描所述待测PCB板；In one embodiment of the present invention, an automatic optical inspection device with a safety-controlled motor is provided, referring to FIG. 1 , comprising a movable platform, a motor, a scanning camera, a safety module and a power supply, the movable platform includes a carrier A board and a base, the carrier is used to load the PCB to be tested, the motor drives the carrier to move on the base, the scanning camera is arranged above the movable platform, and is used to scan the to-be-tested Test PCB board;
参见图2，所述安全模块包括可编辑逻辑器件、智能马达控制器和边缘滤波器，所述可编辑逻辑器件同时与智能马达控制器和边缘滤波器电连接，所述智能马达控制器还与所述电源连接，所述马达通过所述边缘滤波器与所述智能马达控制器电连接，所述智能马达控制器将其检测到的马达运行信号输出至所述可编辑逻辑器件，所述可编辑逻辑器件能够控制所述边缘滤波器切断所述马达与所述智能马达控制器的电连接，以及控制所述智能马达控制器关闭所述电源。Referring to FIG. 2 , the security module includes an editable logic device, an intelligent motor controller and an edge filter, the editable logic device is electrically connected with the intelligent motor controller and the edge filter at the same time, and the intelligent motor controller is also connected with The power supply is connected, and the motor is electrically connected to the intelligent motor controller through the edge filter, and the intelligent motor controller outputs the detected motor running signal to the programmable logic device, and the programmable logic device Editing logic can control the edge filter to cut off the electrical connection between the motor and the intelligent motor controller, and control the intelligent motor controller to turn off the power supply.
具体地，参见图3，所述马达包括第一马达和第二马达，所述第一马达驱动载板在所述基台上前后移动，即Y方向移动，所述第二马达驱动载板在所述基台上左右移动，即X方向移动，所述边缘滤波器包括第一边缘滤波器和第二边缘滤波器，所述第一边缘滤波器和所述第二边缘滤波器均与所述可编辑逻辑器件连接，所述第一马达通过所述第一边缘滤波器与所述智能马达控制器连接，所述第二马达通过所述第二边缘滤波器与所述智能马达控制器连接；Specifically, referring to FIG. 3 , the motor includes a first motor and a second motor. The first motor drives the carrier to move forward and backward on the base, that is, to move in the Y direction, and the second motor drives the carrier to move in the Y direction. The base moves left and right, that is, moves in the X direction, the edge filter includes a first edge filter and a second edge filter, and the first edge filter and the second edge filter are the same as the The programmable logic device is connected, the first motor is connected with the intelligent motor controller through the first edge filter, and the second motor is connected with the intelligent motor controller through the second edge filter;
所述可编辑逻辑器件设有信号接入端口和无线通信单元，所述可编辑逻辑器件可优先为CPLD芯片，所述可编辑逻辑器件通过信号接入端口接收安全光幕信号、安全光幕屏蔽信号和马达开关信号，所述智能马达控制器设有显示屏，所述显示屏能够接受并显示所述智能马达控制器传递的安全光幕信号，所述可编辑逻辑器件通过所述无线通信单元与外部移动设备通讯连接，所述无线通信单元采用蓝牙、GPRS、4G、5G方式输出或接受信号。The editable logic device is provided with a signal access port and a wireless communication unit, the editable logic device can be preferentially a CPLD chip, and the editable logic device receives the safety light curtain signal and the safety light curtain shielding through the signal access port. signal and motor switch signal, the intelligent motor controller is provided with a display screen, the display screen can accept and display the safety light curtain signal transmitted by the intelligent motor controller, and the programmable logic device passes through the wireless communication unit Connecting with external mobile devices for communication, the wireless communication unit outputs or receives signals by means of Bluetooth, GPRS, 4G and 5G.
在本发明的一个实施例中，所述可编辑逻辑器件根据马达开关信号、安全光幕信号、安全光幕屏蔽信号和智能马达控制器所检测到的马达运行信号，以切换不同的运行模式，运行模式包括安全光幕模式、安全光幕屏蔽模式和急停模式，当安全光幕屏蔽信号和马达开关信号为0时，进入安全光幕模式；当安全光幕屏蔽信号为1而马达开关信号为0时，进入安全光幕屏蔽模式；当马达开关信号为1时，进入急停模式，具体流程如下：In an embodiment of the present invention, the programmable logic device switches between different operating modes according to the motor switch signal, the safety light curtain signal, the safety light curtain shielding signal and the motor running signal detected by the intelligent motor controller, The operating modes include safety light curtain mode, safety light curtain muting mode and emergency stop mode. When the safety light curtain muting signal and the motor switch signal are 0, the safety light curtain mode is entered; when the safety light curtain muting signal is 1 and the motor switch signal is 1 When it is 0, it enters the safety light curtain shielding mode; when the motor switch signal is 1, it enters the emergency stop mode. The specific process is as follows:
(1)进入安全光幕模式，此时当安全光幕触发时，所述可编辑逻辑器件将安全光幕触发信号传送给智能马达控制器，智能马达控制器将信号传送给显示屏并在显示屏上显示，当智能马达控制器所检测到马达的运行信号为1，并将该信号输出到所述可编辑逻辑器件，即马达运行时，所述可编辑逻辑器件输出马达关闭信号给智能马达控制器，并由智能马达控制器关闭马达电源，同时，所 述可编辑逻辑器件将马达的停止信号分别传送给两个边缘滤波器，并由两个边缘滤波器分别切断智能马达控制器与两个马达之间的电器连接，以停止马达的运行；当智能马达控制器所检测到马达的运行信号为0，并将该信号输出到所述可编辑逻辑器件，即马达未驱动轴运行时，所述可编辑逻辑器件不发送控制命令。(1) Enter the safety light curtain mode. At this time, when the safety light curtain is triggered, the editable logic device transmits the safety light curtain trigger signal to the intelligent motor controller, and the intelligent motor controller transmits the signal to the display screen and displays it on the display. The screen shows that when the intelligent motor controller detects that the running signal of the motor is 1 and outputs the signal to the editable logic device, that is, when the motor is running, the editable logic device outputs a motor shutdown signal to the intelligent motor controller, and the intelligent motor controller turns off the motor power. At the same time, the programmable logic device transmits the stop signal of the motor to the two edge filters, and the two edge filters cut off the intelligent motor controller and the two edge filters respectively. The electrical connection between the two motors is used to stop the operation of the motors; when the intelligent motor controller detects that the running signal of the motor is 0, and outputs the signal to the programmable logic device, that is, when the motor does not drive the shaft to run, The programmable logic device does not send control commands.
(2)进入安全光幕屏蔽模式，此时当安全光幕触发时，所述可编辑逻辑器件将安全光幕触发信号传送给智能马达控制器，所述智能马达控制器将信号传送给显示屏，并在显示屏上显示，所述可编辑逻辑器件不发出控制命令。(2) Enter the safety light curtain shielding mode. At this time, when the safety light curtain is triggered, the programmable logic device transmits the safety light curtain trigger signal to the intelligent motor controller, and the intelligent motor controller transmits the signal to the display screen , and displayed on the display screen, the editable logic device does not issue control commands.
(3)进入急停模式，所述可编辑逻辑器件输出马达关闭信号给智能马达控制器，并由智能马达控制器关闭马达的电源，同时，所述可编辑逻辑器件将两个马达的停止信号分别传送给对应的两个边缘滤波器，并由两个边缘滤波器分别切断智能马达控制器与两个马达之间的电连接，以停止马达的运行。(3) Entering the emergency stop mode, the editable logic device outputs a motor shutdown signal to the intelligent motor controller, and the intelligent motor controller turns off the power of the motor, and at the same time, the editable logic device sends the stop signals of the two motors They are respectively transmitted to the corresponding two edge filters, and the two edge filters cut off the electrical connection between the intelligent motor controller and the two motors respectively, so as to stop the running of the motors.
本发明实施例能够应对设备不同的使用场景，在设备正常运行、开启安全光幕时，运行安全光幕模式，能够保护操作人员的安全，避免危险操作；当在线检修等需要屏蔽安全光幕时，运行安全光幕屏蔽模式，以防止马达误关；在意外情况下，需要急停马达时，不论之前设备处于何种模式，都能够快速有效地关闭马达，安全性高。The embodiment of the present invention can cope with different usage scenarios of the equipment. When the equipment is running normally and the safety light curtain is turned on, the safety light curtain mode is operated, which can protect the safety of operators and avoid dangerous operations; when the safety light curtain needs to be shielded for online maintenance, etc. , run the safety light curtain shielding mode to prevent the motor from turning off by mistake; in the event of an accident, when the motor needs to be stopped urgently, no matter what mode the device was in before, the motor can be quickly and effectively turned off, with high safety.
在本发明的一个实施例中，所述自动光学检测设备还包括检修模块，所述可编辑逻辑器件可与所述检修模块一体集成，所述检修模块包括资料存储单元、控制面板和对比单元，所述待测PCB板设有关联自身检测信息的编码，所述资料存储单元用于预先存储所述待测PCB板的检测信息，所述控制面板根据所述待测PCB板的编码将所述资料存储单元中的相应检测信息输出至所述对比单元，所述对比单元将所述待测PCB板的检测信息与所述扫描摄像头相应获取的待测PCB板图像进行比对，并将比对结果输出至所述控制面板，具体地，所述对比单元将获取的待测PCB板图像以灰度模式和所述资料存储单元中相应的检测信息进行对比识别，自动找出异常点，以每块待测PCB板为单位进行记录。需要说明的是所述控制面板可通过输入编码，或者根据所述扫描摄像头扫面识别出编码的信息，以调取相关的检测信息输出至对比单元。In an embodiment of the present invention, the automatic optical inspection equipment further includes a maintenance module, the editable logic device can be integrated with the maintenance module, and the maintenance module includes a data storage unit, a control panel and a comparison unit, The PCB to be tested is provided with a code associated with its own detection information, the data storage unit is used to pre-store the detection information of the PCB to be tested, and the control panel stores the detection information of the PCB to be tested according to the code of the PCB to be tested. The corresponding detection information in the data storage unit is output to the comparison unit, and the comparison unit compares the detection information of the PCB to be tested with the image of the PCB to be tested correspondingly obtained by the scanning camera, and compares The result is output to the control panel. Specifically, the comparison unit compares and identifies the acquired PCB board image to be tested with the corresponding detection information in the data storage unit in a grayscale mode, and automatically finds out abnormal points. Record the PCB board to be tested as a unit. It should be noted that the control panel can input the code or identify the coded information according to the scanning of the scanning camera, so as to retrieve the relevant detection information and output it to the comparison unit.
其中，所述控制面板设有触摸屏，所述触摸屏可以输入所述待测PCB板的 编码以及显示检测结果，用户利用触摸屏的辅助功能，免去员工自行记忆缺陷代码的麻烦，通过触摸屏点击缺陷图片也提高了员工进行缺陷分类的准确性，从而提高数据库***CDB的准确性。Wherein, the control panel is provided with a touch screen, the touch screen can input the code of the PCB to be tested and display the test result, the user can use the auxiliary function of the touch screen to save the trouble of memorizing the defect code by the employees, and click the defect picture through the touch screen It also improves the accuracy of defect classification by employees, thereby improving the accuracy of the database system CDB.
本发明提供的具有安全控制型马达的自动光学检测设备能够自动化智能化判断检测，效率高效，对马达的双重安全控制，确保有效关闭马达，避免安全隐患，设有多种安全模式，以应对不同的使用场景，还能提高AOI及CVR的稼动率，可以分担CVR的检修工作量，利用AOI机器扫描空闲对PCB板进行检修，提高AOI机器的利用率，从而进一步提高了客户的产能。The automatic optical detection equipment provided by the present invention with a safety-controlled motor can automatically and intelligently judge and detect, with high efficiency, double safety control of the motor, ensuring effective shutdown of the motor, avoiding potential safety hazards, and having a variety of safety modes to cope with different It can also improve the utilization rate of AOI and CVR, and can share the maintenance workload of CVR, and use the AOI machine to scan idle to repair the PCB board, improve the utilization rate of the AOI machine, and further improve the customer's production capacity.
在权利要求声明中，置于圆括号之间的任何参考符号不应被视为限制请求项。词语“包括”并不排除那些列在权利要求声明中的其他元件或步骤的存在。此外，本文所使用的术语“一”或“一个”，被定义为一个或多于一个。而且，引言短语例如权利要求声明中的“至少一个”及“一个或多个”的使用不应该解释为暗示不定冠词“一”或“一个”引入另一个权利要求要素将包含这种引入的权利要求的任何特定权利要求限制于仅包含一个这样的要素的发明，即使同一权利要求包括引言短语“一个或多个”或“至少一个”和不定冠词，如“一个”或“一个”。使用定冠词也是如此。除非另有说明，否则诸如“第一”和“第二”之类的术语用于任意区分这些术语所描述的元素。因此，这些术语不一定旨在表示这些元素的时间或其他优先级。在彼此不同的权利要求中叙述某些措施的仅有事实并不表示这些措施的组合不能加以利用。In the claims declaration, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of other elements or steps listed in a claim statement. Also, as used herein, the terms "a" or "an" are defined as one or more than one. Furthermore, the use of introductory phrases such as "at least one" and "one or more" in a claim statement should not be construed to imply that the introduction of the indefinite article "a" or "an" into another claim element would encompass such an introduction Any particular claim of a claim is limited to inventions containing only one of such elements, even if the same claim includes the introductory phrases "one or more" or "at least one" and an indefinite article such as "a" or "an." The same goes for using the definite article. Unless stated otherwise, terms such as "first" and "second" are used to arbitrarily distinguish between the elements these terms describe. Therefore, these terms are not necessarily intended to denote a temporal or other priority of these elements. The mere fact that certain measures are recited in mutually different claims does not indicate that a combination of these measures cannot be used to advantage.
虽然本文已经说明和描述了本发明的某些特征，但是本领域普通技术人员现在将想到许多修改、替换、改变和等同物。因此，应该理解，所附权利要求旨在覆盖落入本发明的真正精神内的所有这些修改和变化。While certain features of the invention have been illustrated and described herein, many modifications, substitutions, changes and equivalents will now occur to those of ordinary skill in the art. Therefore, it should be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims (10)

  1. 一种具有安全控制型马达的自动光学检测设备，其特征在于，包括可移动平台、马达、扫描摄像头、安全模块和电源，所述可移动平台包括载板和基台，所述载板用于装载待测PCB板，所述马达用于驱动载板在所述基台上移动，所述扫描摄像头设置于所述可移动平台上方，并用于扫描所述待测PCB板，An automatic optical inspection device with a safety-controlled motor, characterized in that it includes a movable platform, a motor, a scanning camera, a security module and a power supply, the movable platform includes a carrier board and a base, and the carrier board is used for Loading the PCB to be tested, the motor is used to drive the carrier to move on the base, the scanning camera is arranged above the movable platform, and is used to scan the PCB to be tested,
    所述安全模块包括可编辑逻辑器件、智能马达控制器和边缘滤波器，所述可编辑逻辑器件同时与所述智能马达控制器和所述边缘滤波器电连接，所述智能马达控制器还与所述电源连接，所述马达通过所述边缘滤波器与所述智能马达控制器电连接，所述可编辑逻辑器件用于控制所述边缘滤波器切断所述马达与所述智能马达控制器之间的电连接，以及控制所述智能马达控制器关闭所述电源。The security module includes an editable logic device, an intelligent motor controller, and an edge filter, the editable logic device is electrically connected to the intelligent motor controller and the edge filter at the same time, and the intelligent motor controller is also connected to the edge filter. The power supply is connected, the motor is electrically connected with the intelligent motor controller through the edge filter, and the programmable logic device is used to control the edge filter to cut off the connection between the motor and the intelligent motor controller. electrical connection between, and control the intelligent motor controller to turn off the power supply.
  2. 根据权利要求1所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述马达包括第一马达和第二马达，所述第一马达用于驱动载板在所述基台上前后移动，所述第二马达用于驱动载板在所述基台上左右移动。The automatic optical inspection equipment with a safety-controlled motor according to claim 1, wherein the motor comprises a first motor and a second motor, and the first motor is used to drive the carrier plate on the base Moving back and forth, the second motor is used to drive the carrier plate to move left and right on the base.
  3. 根据权利要求2所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述边缘滤波器包括第一边缘滤波器和第二边缘滤波器，所述第一边缘滤波器和所述第二边缘滤波器均与所述可编辑逻辑器件连接，所述第一马达通过所述第一边缘滤波器与所述智能马达控制器连接，所述第二马达通过所述第二边缘滤波器与所述智能马达控制器连接。The automatic optical inspection device with a safety-controlled motor according to claim 2, wherein the edge filter comprises a first edge filter and a second edge filter, the first edge filter and the Both second edge filters are connected to the programmable logic device, the first motor is connected to the smart motor controller through the first edge filter, and the second motor is connected to the second edge filter through the second edge filter Connect with the smart motor controller.
  4. 根据权利要求1所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述可编辑逻辑器件设有信号接入端口，所述可编辑逻辑器件通过信号接入端口接收安全光幕信号、安全光幕屏蔽信号和马达开关信号。The automatic optical inspection device with a safety-controlled motor according to claim 1, wherein the editable logic device is provided with a signal access port, and the editable logic device receives the safety light curtain through the signal access port signal, safety light curtain muting signal and motor switch signal.
  5. 根据权利要求4所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述智能马达控制器设有用于接受并显示所述智能马达控制器传递的 安全光幕信号的显示屏。The automatic optical inspection device with a safety-controlled motor according to claim 4, wherein the intelligent motor controller is provided with a display screen for receiving and displaying the safety light curtain signal transmitted by the intelligent motor controller.
  6. 根据权利要求1所述的具有安全控制型马达的自动光学检测设备，其特征在于，还包括检修模块，所述检修模块包括资料存储单元、控制面板和对比单元，所述待测PCB板设有关联自身检测信息的编码，所述资料存储单元用于预先存储所述待测PCB板的检测信息，所述控制面板用于根据所述待测PCB板的编码将所述资料存储单元中的相应检测信息输出至所述对比单元，所述对比单元用于将所述待测PCB板的检测信息与所述扫描摄像头相应获取的待测PCB板图像进行比对，并将比对结果输出至所述控制面板。The automatic optical inspection device with a safety-controlled motor according to claim 1, further comprising a maintenance module, wherein the maintenance module includes a data storage unit, a control panel and a comparison unit, and the PCB to be tested is provided with The code associated with its own detection information, the data storage unit is used to pre-store the detection information of the PCB to be tested, and the control panel is used to store the corresponding data in the data storage unit according to the code of the PCB to be tested. The detection information is output to the comparison unit, and the comparison unit is used to compare the detection information of the PCB to be tested with the image of the PCB to be tested correspondingly obtained by the scanning camera, and output the comparison result to the control panel.
  7. 根据权利要求6所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述控制面板设有触摸屏，所述触摸屏用于输入所述待测PCB板的编码以及显示检测结果。The automatic optical inspection device with a safety-controlled motor according to claim 6, wherein the control panel is provided with a touch screen, and the touch screen is used to input the code of the PCB to be tested and display the test result.
  8. 根据权利要求6所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述可编辑逻辑器件与所述检修模块一体集成，所述可编辑逻辑器件为CPLD芯片。The automatic optical inspection device with a safety-controlled motor according to claim 6, wherein the editable logic device is integrated with the maintenance module, and the editable logic device is a CPLD chip.
  9. 根据权利要求1所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述可编辑逻辑器件设有无线通信单元，所述可编辑逻辑器件通过所述无线通信单元与外部移动设备通讯连接。The automatic optical inspection device with a safety-controlled motor according to claim 1, wherein the editable logic device is provided with a wireless communication unit, and the editable logic device communicates with an external mobile device through the wireless communication unit communication connection.
  10. 根据权利要求9所述的具有安全控制型马达的自动光学检测设备，其特征在于，所述无线通信单元采用蓝牙、GPRS、4G、5G方式输出或接受信号。The automatic optical detection device with a safety-controlled motor according to claim 9, wherein the wireless communication unit uses Bluetooth, GPRS, 4G, and 5G to output or receive signals.
PCT/CN2020/131027 2020-11-24 2020-11-24 Automatic optical inspection apparatus with safety control type motor WO2022109766A1 (en)

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