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Light Convergent Reflective Sensors Guide
Light Convergent Reflective Sensor Application Examples

Reliable Detection of Shiny,
Black or Transparent objectsLight Convergent Reflective sensor for
embedding in 24 VDC equipment

Application Guide for B5W-LB seriesUsed in a Wide Range of Applications

Click on the images to see the issues, improvements and benefits of the applications

  • Analytical instruments-Ⅰ

    Application

    Detection of a test tube in transparent or various colors for an analytical instrument

    Problems

    Analytical instruments Illustration1
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    1) The general reflective sensors have a small sensing range to detect all the test tubes with transparent, orange or brown color. Further, there are variations in test tube position, and then the sensors do not detect all of the test tubes.
    2) It happens that when the user adds new test tubes, the sensors do not detect any of them.

    Solutions

    Analytical instruments Illustration2
    <features>
    B5W-LB series has a wide sensing range between white, black and transparent objects.
    <solutions>
    B5W-LB series detects presence of various test tubes like transparent, orange or brown, which customers prepare in each instrument.
    <Plus benefits>
    B5W-LB series detects various positions of a test tube using the feature that has the wide sensing range to detect both white and black objects.
  • Analytical instruments-Ⅱ

    Application

    Detection of origin position to simple rotation control on an analytical instrument

    Problems

    Analytical instruments Illustration1
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    1) The reflective sensors do not detect a cutout on a rotating plate when reflective ratio of the rotating plate has the variation.
    2) When a customer puts the sensor near a rotating plate, there are variations in the rotating plate position and then the plate crushes the sensor. It causes the breakdown of a machine.
     

    Solutions

    Analytical instruments Illustration2
    <features>
    1) B5W-LB series has a wide sensing range between white, black and transparent objects.
    2) B5W-LB series has the wide sensing range to detect both white and black objects.
    <solutions>
    1) B5W-LB series detects the cutout which has various reflective rates.
    2) B5W-LB series detects the rotating plates with position variation.
  • Coffee machines

    Application

    Cup detection for a coffee machine

    Problems

    Coffee machines Illustration1
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    1) The general reflective sensors have the small sensing range to detect all cups like white, matte black or transparent color. Further, there are variations in cup position, and then the sensors do not detect all of the cups.
    2) It happens that when the user adds new cups, the sensors do not detect any of them.

    Solutions

    Coffee machines Illustration2
    <features>
    B5W-LB series has a wide sensing range between white, black and transparent objects.
    <solutions>
    B5W-LB series detects various colors of cups like white, matte black or transparent.
    <Plus benefits>
    B5W-LB series detects various positions of a test tube using the feature that it has the wide sensing range to detect both white and black objects.
  • Vending machines

    Application

    Touchless sensors on a vending machine

    Problems

    <problems>
    Before a person buys juice by pushing buttons, many people have touched them on a vending machine. He might feel he does not want to touch buttons from the view of sanitation. As a result, he may not buy the juice.If a person see dirt, like fingerprints, on the buttons, he might not buy juice.

    Solutions

    Vending machines Illustration1
    <features>
    B5W-LB series has a wide sensing range between white, black and transparent objects.
    <solutions>
    The B5W-LB series can detect hands even if a purchaser has gloves or bare hands. The purchaser can buy products without touching the buttons, which allows to take in a hygienic experience.
  • Vending machines

    Application

    Door open/close detection on a vending machine

    Problems

    Vending machines Illustration1
    1. Door open/close detection by general reflective sensors
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    1) The general reflective sensor has the small sensing range to detect various door colors. Further, there are variations in door position to be assembled, and then the sensors do not detect all of the doors.
    2) When the user adds new door colors, the sensors do not detect any of the doors.
    2. Door open/close detection by slot type sensors
    <problems>
    When using slot type sensors, customers might not be able to produce cheaper machines in adding parts or assembling cost.
    Further, the expense of design or mold tools is needed.

    Solutions

    Vending machines Illustration2
    1. Door open/close detection with various colors
    <features>
    B5W-LB series has a wide sensing range between white, black and transparent objects.
    <solutions>
    B5W-LB series can detect door open/ close with various colors.
    <Plus benefits>
    B5W-LB series detects door position variations using B5W's feature of wide-sensing range to detect both white and black objects.
    2. No mechanical mechanism
    <solutions>
    It is possible to detect the door without a mechanical mechanism, and it may be possible to produce at low total cost.
    In addition, no mechanical parts are required, and a highly reliable structure is possible.
  • Food manufacturing equipment

    Application

    Automation of food manufacturing equipment

    Problems

    Food manufacturing equipment Illustration1
    <background>
    Due to the lack of labor, the demand for more efficient stores is increasing, but the store staff cannot do other work in parallel during the cooking time of the food manufacturing equipment, and the waiting time without doing occur.
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    The general reflective sensors have the small sensing range to detect various cups. Further, there are variations in cup position, and then the sensors do not detect all of the cups. Customers might not be able to make the machines automated.

    Solutions

    Food manufacturing equipment Illustration2
    <direction for solution>
    If automation of food manufacturing equipment progresses, such as automatically pouring juice into a cup, other work can be performed in parallel, which makes the store more efficient.
    <features>
    1) B5W-LB series has the small difference of sensing distance between white, black and transparent objects.
    2) B5W-LB series has the wide sensing range to detect both white and black objects.
    <solutions>
    1) B5W-LB series detects the cups with various colors.
    2) B5W-LB series detects the cup position variations.
  • Sanitation equipment

    Application

    Hand detection for sanitation equipment

    Problems

    Sanitation equipment Illustration1
    <problems>
    1) When many people push a button, they can touch viruses and it is not sanitary.
    2) Viruses go into clearance gap of movable parts, like a switch button. It might not be easy to clean the button.

    Solutions

    Sanitation equipment Illustration2
    <solutions>
    1) By using the B5W-LB series as a touchless sensor, you can switch on by hand detection without touching the equipment, and you can use it without worrying about viruses.
    2) By attaching a thin cover to the lens surface of the sensor, the detection part can have a flat structure, which allows easy drip-proof structure and cleaning.
  • Dental equipment

    Application

    Touchless sensor for dental equipment

    Problems

    <problems>
    After repairing, a doctor’s hand becomes dirty. When he touches a mechanical button to turn off a light, the button gets dirty by his hands and it is not hygienic.

    Solutions

    Dental equipment Illustration1
    <features>
    By using the B5W-LB series as a touchless sensor, you can switch on by hand detection without touching the equipment, and you can use them hygienically.
    <solutions>
    By attaching a thin cover to the lens surface of the sensor, the detection part can have a flat structure, which allows easy drip-proof structure and cleaning.
  • Packaging machines in medical

    Application

    Various film detection like transparence on a packing machine in medical

    Problems

    Packaging machines in medical Illustration1
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    1) If customers adjust the sensing distance on milky or silver film, the sensors do not detect a transparent film. If customers adjust it on transparent film, they might detect the background. Therefore, the sensor settings are not the same for milky/silver and transparent film.
    2) It happens that when the user adds new films, the sensors do not detect any of them.

    Solutions

    Packaging machines in medical Illustration2
    <features>
    1) B5W-LB series has a wide sensing range between white, black and transparent objects.
    2) B5W-LB series has the limited sensing range to detect objects.
    <solutions>
    1) B5W-LB series detects the film with various colors like milky or transparent.
    2) B5W-LB series detects the film with various colors like milky or transparent without detecting background.
  • Printing equipment

    Application

    Transparent printed papers on a printing machine

    Problems

    Printing equipment Illustration1
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    If customers adjust the sensing distance on white printing paper, the sensors do not detect a transparent printing paper. If customers adjust it on transparent printing paper, they might detect the background. Therefore, the sensor settings are not the same for white and transparent printing paper.

    Solutions

    Printing equipment Illustration2
    <features>
    1) B5W-LB series has the small difference of sensing distance between white, black and transparent objects.
    2) B5W-LB series has the limited sensing range to detect objects.
    <solutions>
    1) B5W-LB series detects both white and transparent printing papers.
    2) B5W-LB series detects both white and transparent printing papers without detecting background.
  • Robot material handling equipment

    Application

    Various colors of wafer cassette detection for robot material handling equipment

    Problems

    Robot material handling equipment Illustration1
    1. Wafer cassette detection by general reflective sensors
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    If customers adjust the sensing distance on a white wafer cassette, the sensors do not detect a transparent wafer cassette. If customers adjust it on transparent wafer cassette, they might detect the background. So, the sensor settings are not the same for white and transparent wafer cassette.
    2. Wafer cassette detection by displacement sensors
    <features>
    Displacement sensors have the big difference of sensing distance between white and transparent objects.
    <problems>
    Customers need to adjust the sensing distance to each color of a wafer cassette as well.

    Solutions

    Robot material handling equipment Illustration2
    <features>
    1) B5W-LB series has a wide sensing range between white, black and transparent objects.
    2) B5W-LB series has the limited sensing range to detect objects.
    <solutions>
    1) B5W-LB series detects various colors of wafer cassette to be prepared by every customer.
    2) B5W-LB series detects both white and transparent wafer cassettes without detecting background.
  • Automated test equipment (ATE)

    Application

    Presence detection of a black tray or a transparent tape on ATE

    Problems

    Automated test equipment (ATE) Illustration1
    <features>
    General reflective sensors have a small sensing range between white, black and transparent objects.
    <problems>
    1) If customers adjust the sensing distance on a white tray, the sensors do not detect a transparent tray. If customers adjust it on a transparent tray, they might detect the background. So, the sensor settings are not the same for white and transparent trays.
    2) It happens that when the user adds new trays, the sensors do not detect any of them.

    Solutions

    Automated test equipment (ATE) Illustration2
    <features>
    B5W-LB series has a wide sensing range between white, black and transparent objects.
    <solutions>
    B5W-LB series detects various colors of trays or tapes to be prepared by every customer.
    <Plus benefits>
    B5W-LB series detects black trays and transparent tapes without backgrounds, using the limited sensing range.
  • Picking purpose

    Application

    Confirmation to take out correct parts on a picking system

    Problems

    Picking purpose Illustration1
    <problems>
    1) When picking out the specified parts from a picking system, an operator will not notice if they forget to take them and an assembly error will occur.
    2) If you add the work of pushing the switch to prevent forgetting to remove the parts, the additional work will take longer and productivity will be reduced.

    Solutions

    Picking purpose Illustration2
    <features>
    B5W-LB series has a wide sensing range between white, black and transparent objects.
    <solutions>
    The B5W-LB series detects hands even if the purchaser has gloves or bare hands.
    When picking up a part, you can prevent the part from being forgotten by checking the matching of the picking system instructions and hand detection by the sensor.
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