Company Profile
Automotive solenoid valves and sensors are our company's featured products. At the same time, our company is also a professional manufacturer specializing in the production of solenoid valve coils and special solenoid valves and other automation supporting components. Most of our products are used in pneumatic, hydraulic and other automation control component industries. At present, our products have been used by many internationally renowned brands and are deeply trusted by our customers.
Why Choose Us
Advanced Equipment
Flying Bull (Ningbo) Electronic Technology Co.,Ltd has an excellent team with more than 20 years of experience in design and development, focusing on the design, development and production of auto solenoid valve and sensor, engineering machinery solenoid valve and sensor.
Rich Experience
The company adheres to the business philosophy of "expert quality, global trust" and the business purpose of "pursuing quality, never ending".
High Quality
Quality is always our Flying Bull's unchanging concept. The company has established a research and development center, measurement room, laboratory, and chemical analysis room, and launches a number of high-tech products every year.
Professional Team
The company has strong R&D capabilities to lay a good foundation for the development and cooperation of new products for customers. First-class talents, advanced equipment, strict quality control system, scientific management, perfect service, and strong R&D capabilities, let us work together to become industry pioneers and win an unlimited future.
A sensor is a device that detects and responds to some type of input from the physical environment. The input can be light, heat, motion, moisture, pressure or any number of other environmental phenomena. The output is generally a signal that is converted to a human-readable display at the sensor location or transmitted electronically over a network for reading or further processing.
A sensor is defined as a device or a module that helps to detect any changes in physical quantity like pressure, force or electrical quantity like current or any other form of energy. After observing the changes, sensor sends the detected input to a microcontroller or microprocessor.

Benefits of Sensor
Automation: One of the key advantages of sensors is their ability to automate tasks and processes. By detecting and responding to specific physical properties, sensors can initiate actions automatically, leading to increased efficiency and accuracy in various industries and sectors. Whether it’s controlling lighting based on occupancy or adjusting temperature settings in response to environmental conditions, sensors make automation possible.
Real-time monitoring: Sensors excel at providing real-time data, allowing for accurate and up-to-date monitoring of conditions. This capability enables quick decision-making, as it provides dynamic insights into changing environments. For example, in a manufacturing setting, sensors can monitor machine performance, temperature, and vibration, allowing operators to detect anomalies promptly and take corrective actions.
Improved sensitivity: Sensors offer enhanced sensitivity during data capture. They can detect and measure even the slightest changes in physical properties, enabling precise and accurate measurements. This heightened sensitivity is particularly valuable in applications where accuracy is crucial, like medical diagnostics or environmental monitoring.
Lossless transmission: Sensor data can be transmitted without any loss, ensuring the integrity and reliability of the information. This is essential for applications that require accurate data transmission, such as remote monitoring systems or critical infrastructure. Lossless transmission guarantees that the information received is an accurate representation of the measured physical properties.
Type of Sensor
Capacitance Fuel Level Sensors
Capacitive fuel indicators come with two electrodes that are immersed at the two ends of a fuel tank. The capacitance between the electrodes changes as the fuel level changes. This change in value is then converted into fuel level readings.
Ultrasonic Fuel Sensors
As the term suggests, the sensors use ultrasonic sound waves to measure fuel levels. They emit sound waves towards the fuel surface, and the amount of time they take to reflect back determines the distance. Hence, the level of fuel is gauged.
Resistive or Float Fuel Indicators
A float is connected to a potentiometer or a variable resistor that moves as the fuel level changes. Hence, the value of resistance also changes, resulting in a change in voltage. The dashboard displays the calibrated value in litres.
Magnetic Fuel Tank Sensors
Also, known as Hall effect fuel sensors because they detect the changes in the magnetic field called the Hall effect. The sensor detects the change in fuel level when the change in magnetic fields is recorded.
Real-World Applications of Sensors in Different Industries
Healthcare
Sensors have revolutionized the healthcare industry by enabling accurate and real-time patient monitoring. From wearable fitness trackers to implantable sensors, these devices capture vital signs, track activity levels, and help detect anomalies. They play a crucial role in remote patient monitoring, telehealth, and improving the overall quality of care through continuous data collection and analysis.
Automotive
In the automotive sector, sensors are widely employed to improve performance, increase safety, and enable advanced driver assistance systems. Sensors are essential for allowing vehicles to perceive their surroundings, monitor important parameters, and make decisions for a safer and more effective driving experience.
Agriculture
Sensors have significantly advanced the agricultural sector and transformed farming methods. Soil sensors detect levels of moisture and nutrient content, allowing for precise fertilization and irrigation that maximizes crop yield. Environmental sensors keep track of the weather, enabling farmers to manage resources, plant, and control pests with precision. Additionally, sensors help with livestock monitoring, guaranteeing the welfare of the animals and raising agricultural productivity.
Home Automation
Sensors are essential assets to home automation. With the ability to detect motion, light, temperature, humidity, and even the quality of the air, sensors are able to automate the control of security, heating, ventilation, and lighting systems within our homes. By collecting real-time data from sensors, home automation systems give homeowners more convenience and control over their living spaces by optimizing energy usage, enhancing comfort, and enhancing safety.
How do Sensors work
Sensors are known to react as per the changing physical conditions by bringing a change in their electrical properties. It has been observed that artificial sensors in most cases rely on electronic systems for analyzing, capturing, and relaying environment information.
It can be said that a sensor converts the stimuli such as sound, motion, heat, and light into electrical signals. These signals are passed through an interface that further converts these into a binary code passing them on to a computer to get processed.
Mostly, the sensors act as a switch and are used for controlling the flow of electric charges passing via the circuit. Switches form an important part of electronics as these are known for changing the state of the circuit.
The components present in sensors such as transistors, diodes, and integrated circuits or chips consist of semiconducting material. These materials are included in the sensor circuits so that they can be used as switches.
Mostly, sensors use radiation such as laser or light, infrared radio waves, or other waves such as ultrasonic ones for detecting the changes and objects present in the environment. This is possible if they have an energy source that assists them in emitting radiation in the direction of their target object.
This radiation is reflected back by the object and gets detected by the sensor; it is termed an active sensor. Passive sensors don’t send radiation or waves that are their own and detect what is being emitted by the target objects such as thermal infrared radiation, heat, or radiation from external sources like Sun reflected off the objects.
Sensor production process
A sensor is a device that can sense and convert the physical quantity of a certain measured parameter and output a usable signal. The production process of the sensor includes raw material preparation, preparation of sensor elements, assembly of sensor modules and testing, packaging and quality inspection.
The first step is raw material preparation. Sensor production requires various raw materials such as silicon, metal, ceramics, etc. In this step, the quality and specifications of the raw materials need to be checked to ensure that they meet the production requirements.
The second step is to prepare sensor elements. The preparation process of sensor elements mainly includes preparing sensing materials, making sensor chips, and processing sensor circuits. First, prepare sensing materials, such as synthesizing or processing silicon wafers, ceramic blocks, etc. as required. Then, cut the sensing materials into appropriate sizes and shapes and process them into sensor chips. Finally, connect the sensor chips to the circuit to form sensor elements.
The third step is to assemble sensor modules and test. In this step, the sensor elements are fixed on an appropriate base and peripheral circuits and connectors are added. Then, the assembled sensor module is tested to check whether its sensing and output performance meet the requirements. The test includes static test and dynamic test, which mainly evaluates the accuracy and sensitivity of the sensor by comparing the difference between the output signal and the known input signal.
The fourth step is packaging and quality inspection. In this step, the sensor module is packaged into a product for commercial application. The packaging process usually includes encapsulating the sensor element, installing the housing and marking the product. Then, the packaged sensor is quality inspected to ensure that the product has no obvious defects and damage. Quality inspection includes appearance inspection, dimensional measurement, performance testing, etc.
Components of Sensor




Sensitive element: Directly senses the measured quantity and outputs a certain physical quantity (including electrical quantity) in a determined relationship.
Conversion element: Converts the non-electrical physical quantity output by the sensitive element, such as displacement, strain, stress, light intensity, etc., into electrical quantity (including circuit parameter quantity, voltage, current, etc.).
Conversion circuit: Converts the circuit parameter (such as resistance, inductance, capacitance, etc.) into electrical quantity that is easy to measure, such as voltage, current frequency, etc.
Some sensors only have sensitive elements, such as thermocouples, which directly output electromotive force when they sense the measured temperature difference. Some sensors are composed of sensitive elements and conversion elements, and do not require conversion circuits, such as piezoelectric accelerometers. Some sensors are only composed of sensitive elements and conversion circuits, such as capacitive displacement sensors. Some sensors have more than one conversion element, and they need to be converted several times before outputting electrical quantity.
At present, due to space limitations or technical reasons, conversion circuits are generally not installed in the same housing as sensitive components and conversion components, but are installed in electrical boxes. However, many sensors need to pass through conversion circuits to output electrical quantities that are easy to measure, and the type of conversion circuit is related to sensors with different working principles. Therefore, the conversion circuit must be regarded as one of the components of the sensor.
Tips For Sensor Maintenance
Adjust Alignment: If one part is not lined up as it should be, it is important to recalibrate and adjust accordingly. You will need proper measuring tools to do this correctly. Calibrating an instrument simply involves comparing one correct instrument to the one your are fixing. You can use that as a benchmark for all of the others.
Keep It Clean: Cleanliness is also key to keeping all moving parts performing their jobs correctly. At the end of the day, be sure to remove all debris and oil off the sensor. Also take the time to train all workers and employees in proper cleaning methods.
Practice Proper Storage: When your tool is not in use, take care to properly store it away. This could mean disassembling it until you need it again, leaving it on a sturdy surface, or covering it with a tarp, depending on the size and location of the tool.
Watch For Corrosion: Excessive rusting can cause a machine part to wear down even faster. If you are unable to remove corrosion on your own, consider hiring a professional or replacing the part entirely. Also be sure to keep moisture away from the tool as much as possible, preventing this in the first place.
Know When To Replace: Remember that sensor maintenance and cleaning only go so far. If you find yourself having to realign or repair a tool more often that it is worth, it is time to replace it. Check the tool’s warranty before you order a new model.
Automotive solenoid valves and sensors are our company's featured products. At the same time, our company is also a professional manufacturer specializing in the production of solenoid valve coils and special solenoid valves and other automation supporting components.




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