What are the types of smart sensors? How is it different from wireless sensors?

An intelligent sensor is a sensor with information processing function. The intelligent sensor has the ability to collect, process and exchange information, and is the product of the combination of sensor integration and microprocessor. Shenzhen Xinli intelligent sensors include intelligent gas sensors, intelligent pressure sensors, intelligent temperature sensors, intelligent temperature and humidity sensors, intelligent liquid sensors, ......Wait.

Smart sensors and wireless sensors, in fact, are the same meaning, the former focuses on intelligence, and the latter highlights the characteristics of wireless.

Intelligent sensing technology is simply a system, a sensor with information processing function, with the ability to collect, process, exchange information, through software technology to achieve high-precision information collection, and low cost, with a certain programming automation ability and function diversification and other advantages.

The interactive wireless intelligent sensors launched by Guangzhou Tianhuan Information Technology Comm (PACOM) support motion sensing, light sensing, temperature sensing, humidity sensing, air pressure sensing, and VOC detection. Device end nodes are networked through the mesh network, and a single network supports thousands of nodes, which is secure, reliable, and easy to expand, and does not require rewiring during installation, making it ideal for retrofit projects and new construction projects.

The definition of the sensor in the national standard GB7665-87 is: "a device or device that can sense the specified measurement and convert it into a usable signal according to a certain law, usually composed of a sensitive element and a conversion element". The sensor is a kind of detection device, which can feel the measured information, and can transform the detected and felt information into an electrical signal or other required form of information output according to a certain law, so as to meet the requirements of information transmission, processing, storage, display, recording and control.

It is the first link to realize automatic detection and automatic control.

The categories of sensors are:

1.By use.

Pressure and Force Sensitive Sensors, Position Sensors, Liquid Level Sensors, Energy Consumption Sensors, Speed Sensors, Accelerometer Sensors, Radiation Sensors, Thermal Sensors.

2.According to the principle.

Vibration sensors, moisture sensors, magnetic sensors, gas sensors, vacuum sensors, biosensors, etc.

3.Press the output signal.

Analog sensor: Converts the measured non-electrical quantity into an analog electrical signal.

Digital sensor: Converts measured non-electrical quantities into digital output signals (both direct and indirect).

Digital sensor: The output (including direct or indirect conversion) that converts the measured signal into a frequency signal or a short-period signal.

Switching sensors: When a measured signal reaches a certain threshold, the sensor outputs a set low or high signal accordingly. FA factory automation one-stop procurement platform.

With the rapid development of science and technology and the Internet of Things, many products have come out one after another, smart sensors are one of them, smart sensors play a huge role in industrial production, life and home, so, what are the characteristics of smart sensors? Next, pchouse will take you to understand.

1. The accuracy of the sensor is high, and the intelligent sensor has the function of information processing, which can not only correct various deterministic systematic errors through the software, but also appropriately compensate for random errors and reduce noise, which greatly improves the accuracy of the sensor.

2. The reliability of the sensor is high, and the integrated sensor system is miniaturized, which eliminates some unreliable factors of the traditional structure and improves the anti-interference performance of the whole system; At the same time, it also has diagnostic, calibration and data storage functions, and has good stability.

3. The performance ratio of the sensor is high, under the same accuracy requirements, the multi-functional intelligent sensor is significantly improved compared with the ordinary sensor with a single function, especially after the use of cheaper single-chip microcomputer.

Hello dear, there are many types of sensors, and here are some common types of sensors:1Optical Sensor:

Use the properties of light to measure, detect, and identify objects. 2.Temperature Sensor:

It is used to measure the temperature of the environment, objects, or a specific area. 3.Gas Sensor:

It is used to detect gas concentration, pressure, flow rate and other parameters. 4.Accelerometer:

It is used to measure acceleration, vibration, tilt, etc. 5.Pressure Sensor:

It is used to measure the pressure of liquids and gases, and is widely used in industry, automobiles and other fields. 6.Sound Sensor False Front:

It is used to detect and measure sound waves. 7.Current Sensor:

It is used to measure DC or AC current. 8.Displacement Sensor:

It is used to measure linear or rotary displacement, and is widely used in industrial robots, machinery and other fields. 9.Water Level Sensor:

It is used to measure the water level. 10.Infrared sensor:

It is used to detect object temperature, infrared, etc. Of course, this is only a small part of the types of sensors, in fact, there are many other types of sensors in Chalun, and the application field is also very wide.

Sensors include: optical sensors, temperature sensors, and pressure sensors.

1. Optical sensor.

Optical sensors are sensors that use the principles of refraction, reflection, and diffuse reflection of light to monitor and detect objects. It is often used to measure the brightness, color, shape and other parameters of an object. It is widely used in industrial production and automation, such as detecting product topography, color, surface defects, width and other information.

2. Temperature sensor.

A temperature sensor is a sensor used to measure the temperature change on the surface or inside an object. The operating principle of these sensors can be based on thermal diffusion, thermoelectric effects, resistance temperature changes, etc. Temperature sensors are widely used in various industrial sites and electronic devices, such as temperature control, heat treatment, high-precision measurement, etc.

3. Pressure sensor.

A pressure transmitter is a sensor used to measure pressure changes. It converts pressure signals into electrical signals to detect and monitor physical changes under various pressure conditions. Applications for pressure sensors include manufacturing, healthcare, food processing, and environmental monitoring.

The role of sensors

1. Monitor the environment.

Sensors can monitor and sense various physical quantities in the environment, such as temperature, humidity, air pressure, light, and more. Through these monitoring, we can better understand the environment and obtain the information we need. At present, many smart homes have adopted various types of sensors to monitor indoor temperature and humidity, so as to adjust air conditioners, humidifiers and other devices to provide a comfortable living environment for humans.

2. Control equipment.

Sensors can also be used to control a variety of devices such as automobiles, robots, factory equipment, and more. Sensors control the operation of devices by sensing changes in the environment and equipment and converting these changes into electrical signals. For example, when a car's sensors detect that the tire pressure is too low, it will send a warning signal to the car's computer system, allowing the car driver to make repairs in time and ensure driving safety.

3. Security assurance.

Door and window opening and closing sensors can detect if a window drain is opened, helping users protect their homes and property. In addition, sensors can also play an important role in some situations such as fires or gas leaks. As soon as they detect danger, they immediately send an alarm signal to the fire department or relevant agencies to protect people's lives and property.

Pacific Automobile Network is roughly divided into three categories: platinum thermal resistance temperature sensor, thermocouple temperature sensor, and thermistor temperature sensor. There are many sensors in automobiles, and when judging the failure of the sensor, it is necessary to consider not only the sensor itself, but also the entire circuit where the fault occurred. Therefore, when looking for faults, in addition to checking the sensor, it is also necessary to check the wiring harness, the connector and the relevant circuitry between the sensor and the electronic control unit.

It is roughly divided into three categories: platinum RTD temperature sensors, thermocouple temperature sensors, and thermistor temperature sensors. There are many sensors in automobiles, and when judging the failure of the sensor, it is necessary to consider not only the sensor itself, but also the entire circuit where the fault occurred. Therefore, when looking for faults, in addition to the sensor, it is also necessary to check the wiring harness, the connector, and the relevant circuitry between the sensor and the electronic control unit.

Principle of throttle position sensor: The throttle position sensor is installed on the throttle and is used to detect the opening of the throttle. It is linked to the throttle valve by means of a lever mechanism, which in turn reflects the different operating conditions of the engine.

This sensor can detect different operating conditions of the engine and input it into the electronic control unit (ECU) to control different fuel injection volumes.

Intake pressure sensor principle: The intake pressure sensor can measure the absolute pressure in the intake manifold according to the load state of the engine, and convert it into an electrical signal and a speed signal to send it to the computer together as the basis for determining the basic fuel injection volume of the injector.

Crankshaft position sensor principle: also known as crankshaft angle sensor, is the most important sensor in the computer-controlled ignition system, its function is to detect the top dead center signal, crankshaft angle signal and engine speed signal, and input it into the computer, so that the computer can send the best ignition time command according to the ignition sequence of the cylinder.

Air flow sensor principle: The air flow sensor converts the inhaled air into an electrical signal and sends it to the electronic control unit (ECU) as one of the basic signals to determine fuel injection.

Knock sensor: The knock sensor is installed on the cylinder block of the engine to monitor the knock of the engine at any time. At present, there are two types of resonance type and non-resonance type.

There are many sensors in automobiles, and when judging the failure of the sensor, it is necessary to consider not only the sensor itself, but also the entire circuit where the fault occurred. Therefore, when looking for faults, in addition to the sensor, it is also necessary to check the wiring harness, the connector, and the relevant circuitry between the sensor and the electronic control unit.