1. Vision sensor
The low cost and ease of use of vision sensors have attracted machine designers and process engineers to integrate them into a wide range of applications that previously relied on manual, multiple photoelectric sensors, or no inspection at all. The industrial use of vision sensors includes inspection, measuring, measuring, orientation, defect detection, and sorting.
Common areas of use for vision sensors:
In the car assembly plant, check whether the glue beads applied by the robot to the door frame are continuous and have the correct width;
In the bottling plant, verify that the caps are properly sealed, that the filling level is correct, and that no foreign objects have fallen into the bottles before capping;
In the packaging line, ensure that the correct packaging label is posted in the right direction;
In pharmaceutical packaging lines, inspect the blister packs of aspirin tablets for broken or missing tablets;
At a metal stamping company, stamped parts are inspected at a rate of more than 150 pieces per minute, which is more than 13 times faster than manual inspection.
2. Displacement sensor
Displacement sensors, also known as linear sensors, are sensors that convert displacement into electricity. Displacement sensor is a linear device attributed to metal induction, the function of the sensor is to convert various measured physical quantities into electricity, which is divided into inductive displacement sensor, capacitive displacement sensor, photoelectric displacement sensor, ultrasonic displacement sensor, Hall displacement sensor.
In this conversion process, there are many physical quantities (e.g., pressure, flow, acceleration, etc.) that often need to be changed to displacement first, and then to electricity. Therefore, displacement sensors are an important class of fundamental sensors. In the production process, the measurement of displacement is generally divided into two types: physical size measurement and mechanical displacement. Mechanical displacement includes both linear and angular displacement. According to the different forms of variable change, displacement sensors can be divided into analog and digital types. The analog type can be divided into two types: physical type (such as self-generated type) and structural type. Most of the commonly used displacement sensors are analog structural types, including potentiometer displacement sensors, inductive displacement sensors, self-leveling machines, capacitive displacement sensors, eddy current displacement sensors, Hall displacement sensors, etc. An important advantage of digital displacement sensors is that they allow signals to be fed directly into the computer system. These sensors are developing rapidly and are becoming more and more widely used. |
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Introduction to laser displacement sensors – Turck
1. What is a laser displacement sensor?
Laser displacement sensors are sensors that use laser skills to measure. It consists of a laser, a laser detector, and a measurement circuit. Laser sensors are the new type of measurement. Able to accurately measure the orientation and displacement of the measured object without touch...
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Classification of electrical strain gauges – Turck
Resistance strain gauge is a kind of element used to measure strain, which is made of 0.02-0.05mm diameter constantan wire or nickel-chromium wire wound into a grid (or corroded into a grid with a very thin metal foil) in two layers of insulating sheet (substrate), and is connected with tinned copper wire and strain gauge wire as a strain.
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Turck's solution to the problem of torque sensors
Torque sensors are generally used to measure the magnitude and direction of the driver's torque acting on the steering wheel and convert it into an electrical signal. The power steering ECU receives this signal and the vehicle speed signal, confirms the direction and size of the auxiliary power, and then reduces the steering torque when traveling at low speeds.
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Causes and solutions for unstable output signals of photoelectric sensors – Turck
The following conditions may cause the output signal of the photoelectric sensor to detect the object is unstable:
(1) The power supply is abnormal;
(2) The detection frequency is too fast;
(3) the size of the measured object;
(4) The measured object is not in the stable detection area of the sensor;
(5) Electrical interference.
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The reason why the temperature sensor could not be calibrated – Turck
Temperature is a commonly used measurement parameter. Temperature sensors are used in instruments that measure temperature. To ensure precision and accuracy, all temperature sensors must be calibrated according to known specifications. However, there will be a variety of problems in the daily calibration process.
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Material classification for displacement sensors – Turck sensors
(1) Conductive plastic displacement sensor
Conductive plastic displacement sensor uses a special process to coat the DAP (didipropylphthalate) resistance paste on the insulating body, heat and polymerize to form a resistance film, or press the DAP resistance powder thermoplastic into the groove of the insulating matrix to form a solid body as a resistor.
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Turck sensors are introduced
TURCK analog inductive sensors
Turck's analogue inductive sensors enable simple monitoring and control tasks. The sensor is capable of supplying three analog output signals: voltage, current, and frequency. These signals are proportional to the displacement of the object being detected. Lose...
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Safety requirements for safety relays – Turck
The safety relay is a safety loop with all the necessary control parts, which accepts the safety input, and after the internal circuit discrimination, the deterministic output switching signal to the control circuit of the equipment. To put it simply, the safety relays are all two-channel signal type, and only two channel signals are positive.
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Selection principle for low-voltage circuit breakers – Turck
1) Confirm the type and maintenance mode of circuit breaker according to the maintenance requirements of the line - confirm the selection of frame type, equipment type or current limiting type, etc.
2) The additional voltage of the circuit breaker UN should be equal to or greater than the additional voltage of the line being maintained ...
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Advantages of photoelectric sensors – Turck sensors
(1) Long detection intervals
If the detection interval of more than 10 m is maintained in the through-beam type, other inspection methods (magnetic, ultrasonic, etc.) can be completed.
(2) There are few constraints on the detected object
Because with ...
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Features of Turck's pressure sensors:
Turck's pressure sensors have good machining and heat treatment functions and have high compressive strength. Affected by the characteristics of low temperature, the correct selection of elastic sensitive components and strain gauge bridges is an important way to improve the strain gauge sensor: 1. High measurement range light accuracy, force sensing ...
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Introduction to the types of flow sensors – Turck
Flow is an important parameter in industrial production, in the process of industrial production, many raw materials, semi-finished products, and finished products are presented in a fluid state. The flow rate of the fluid has become the key to determining the composition and quality of the product, and it is also an important basis for production cost accounting and rational use of energy. Thus...
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Turck's IM34 temperature changeover combines the advantages of a single device
Temperature measurement is a common application, even in hazardous areas. IM34 temperature conversion equipment is a high-end diagnostic device, with comprehensive functions, convenient use and easy operation.
The IM34 is capable of bringing 2, ...
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Introduction to the classification of collision sensors – Turck
Collision sensors are control signal inputs in airbag systems. Its function is that when a car collides, the collision sensor detects the intensity signal of the car collision, and inputs the signal into the airbag computer, and the airbag computer determines whether to detonate according to the signal of the collision sensor.
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Turck proximity switch precautions
1. It is forbidden to wire in the state of power on, and strictly wire according to the color on the wiring diagram.
2. The interval between the switch sensing surface and the measured body should be within 80 of the additional action interval to switch the operation firmly.
3. Adjacent switches are generally not suitable for series and parallel use, such as ...
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The difference between load cells and load cells – Turck
1. Materials
Load cells require stringent parameters such as creep of the output signal, temperature drift and zero point stability, so the metal properties of the sensor elastomers such as deformation, internal stress relief, as well as zero point stability and temperature compensation on the strain gauge are more demanding. And the load cell ...
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What sensors are robots made of – Turck
Robots are called robots because they have a lot of intelligent qualities. In the world of human facial features, the facial features of robots are sensors. Sometimes, a human function needs to be completed by multiple sensors working together on a robot. Now the intelligent robot is classified ...
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Principle of angular displacement sensors – Turck
The angular displacement sensor is a model of displacement sensor that uses a non-touch patent plan to effectively improve long-term reliability compared to other traditional angular displacement gauges such as synchronous analyzers and potentiometers. Its unique planning does not require the use of slip rings, blades, touch cursors...
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Thermocouple temperature and RTD temperature sensors – Turck
In daily operations, we often encounter the use of temperature sensors, thermocouples and RTDs are used as temperature sensing components, but their principles and functions are different. What are the differences?
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The robust OPC UA RFID modules have a high degree of protection
The OPC UA communication standard is channel-agnostic, making TBEN-L OPC UA easy to integrate ERP, MES or cloud architectures as well as RFID architectures in controllers. In addition, authorization and integrated security protocols protect the system from unauthorized access and manipulation.
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