Sensor Lighting Fixture

What is Sensor Lighting?

Sensor lighting also known as sensor-controlled lighting, is system that uses sensor technology to control lighting fixtures. This system typically includes light sensors. Motion sensors. Sound sensors. Radar sensors or other types of sensors. These sensors can detect environmental factors such as light intensity human activity, sound changes or other relevant environmental variations. They can accordingly adjust the switching brightness, or color of the lighting fixtures automatically.

Sensor dimming function with remote setting

 

How Sensor Lighting Works

The working principle of sensor lighting systems is based on the sensors' response to environmental changes. For example light sensors can detect intensity of ambient light. When the ambient light is insufficient, the system will automatically turn on lighting fixtures. When the ambient light is sufficient the system will turn off or dim lighting fixtures to save energy. This also helps reduce light pollution. Motion sensors can detect human activity. When someone enters the detection range, the system will automatically turn on lighting fixtures. When there is no activity the system will turn off the lighting fixtures.

Classification of Sensor Lighting Fixtures

Photosensitive Sensor Lights

These can automatically adjust indoor lighting based on ambient light intensity, such as in school classrooms.

Working Principle of Photosensitive Sensor Lights

A photosensitive sensor light is a device that uses a photosensitive sensor to control an LED lamp. The photosensitive sensor detects ambient light and converts the light into an electrical signal. When ambient light is below a set threshold, the sensor sends a signal to turn on the LED light; when above the threshold, it sends a signal to turn off the LED light.

Applications of Photosensitive Sensor Lights

Outdoor Lighting: Photosensitive sensor lights are suitable for outdoor applications such as street lights, porch lights and corridor lighting. During the day when there is strong sunlight, the lights are off; as the light dims, the lights automatically turn on to meet night time lighting needs.

Commercial Lighting: In commercial areas like malls, hotels and parking lots, photosensitive sensor lights can control the lighting fixtures based on weather, time of day and location. They can reduce power consumption during bright days by lowering output power, much more energy efficient than fluorescent lights.

Energy Saving Systems: Photosensitive sensor lights can be part of energy saving systems to control lighting precisely and save more.

Indoor Lighting Control: In indoor spaces like homes, offices and shops, photosensitive sensor lights can automatically adjust the brightness of lighting fixtures based on ambient light changes, save energy and reduce electricity bills.

Smart Home Systems: Photosensitive sensor lights can be integrated with smart home systems to automatically control indoor lighting, create a comfortable living space. For example, smart bulbs will turn on and adjust brightness when light is insufficient and turn off or adjust brightness when light is enough.

Main Advantages of Photosensitive Sensor Lights in Energy Saving

Auto Light Adjustment: Photosensors can detect the surrounding light intensity and adjust the light accordingly. When there’s enough ambient light, the system will dim the lights to save energy; when there’s not enough ambient light, the system will brighten the lights to light up.

Energy Saving: Photosensors can prevent unnecessary electricity consumption when not needed, thus energy saving. For example, in outdoor lighting, photosensors can control the street lights according to day and night cycle, reduce energy waste.

Longer Bulb Life: Since photosensor lights can adjust brightness according to actual needs, no frequent full-on and full-off switching, reduce wear on the bulbs, longer lifespan.

High Flexibility: Photosensor lights can adapt to different lighting scenarios, good illumination both indoor and outdoor, achieve energy saving.

High Cost-Effectiveness: Although photosensitive sensors may add some initial cost, their ability to significantly reduce energy consumption can save more on electricity bills in the long run, offering high cost-effectiveness.

Motion Sensor Light

Working Principle of Motion Sensor Light

A motion sensor light typically uses a Passive Infrared (PIR) sensor to detect human movement. When the PIR sensor captures infrared radiation emitted by a human body, it generates a logical output signal. This signal is then sent to a control circuit, usually a relay or transistor, which controls the light bulb. When the relay or transistor is activated, it connects the power supply, causing the connected LED light to turn on. Once the sensor no longer detects movement, the signal switches to a low level, the relay or transistor disconnects, and the light turns off.

A motion sensor light generally consists of an infrared sensor, a controller, and a light source (LED light). The working principle is based on detecting infrared radiation emitted by objects. The infrared detector converts this radiation into electrical signals, which are processed by the circuit to detect targets. Infrared sensors are categorized into active and passive types. Passive infrared sensors utilize the infrared radiation emitted by the target itself, offering advantages like small size and high signal-to-noise ratio.

COMLED LED linear light Sensor dimming with remote settingCOMLED LED linear lights Sensor dimming with remote setting

Applications of Motion Sensor Lights

Motion sensor lights demonstrate excellent energy-saving performance in various scenarios, especially in the following contexts

Office Environment:

In offices, motion sensor lights can auto adjust lighting based on employee activity, so lights don’t stay on when no one is around and save energy.

Residential Hallways and Stairs:

In homes, motion sensor lights can be installed in hallways and stairs to auto turn on when you pass by and off when you leave, convenience and energy efficiency. In dark areas like kitchens and storage rooms, motion sensor lights can auto turn on when there’s activity so you can do tasks and retrieve items.

Outdoor Areas:

In outdoor public areas like parks and parking lots, motion sensor lights can adjust brightness based on foot traffic, reduce energy consumption. For residential outdoor areas like fences, walls and steps, motion sensor lights can turn on when there’s movement, provide safety for night time activities and are designed to withstand extreme weather.

Emergency Exits and Safety Routes:

In emergency situations, motion sensor lights can keep safety exits and routes lit, while reducing lighting during non emergency periods to save energy.

Commercial Spaces:

In commercial areas like malls, supermarkets, stores and hotel lobbies, motion sensor lights can auto adjust lighting based on customer traffic, energy efficiency and customer experience.

Garages and Basements:

In areas that are not used often but need temporary lighting like garages and basements, motion sensor lights can save energy while providing light when there’s activity.

Advantages of Motion Sensor Lights (PIR)

One advantage of PIR sensors is their passive nature. They do not emit signals actively but work by sensing infrared radiation in the environment. This makes PIR sensors energy-efficient, as they activate only upon detecting dynamic changes, avoiding continuous energy consumption. Additionally, PIR sensors boast high sensitivity and quick response, allowing them to promptly detect moving objects and relay this information to other devices.

The Role of Motion Sensor Lights in Security Systems

Human Detection: Motion sensor lights can detect infrared radiation emitted by humans. When someone enters the monitored area the sensor light detects it. This triggers alarm. Thus, it effectively prevents unauthorized access or intrusion.

Movement Detection: Motion sensor lights can sense object movement. When someone or something moves within the monitored area the sensor light detects it. The alarm is triggered, playing a crucial role in security management and prevention.

Perimeter Monitoring: Motion sensor lights can be used for perimeter monitoring. For example monitoring fences and walls. If someone or something approaches or breaches the perimeter, the sensor light detects it. Consequently it triggers an alarm, providing effective security protection.

Environmental Monitoring: Motion sensor lights can monitor changes in environmental temperature. If the temperature exceeds a set threshold. Sensor light issues an alert prompting management to take necessary actions to protect the equipment and environment.

Night Vision Monitoring: Motion sensor lights can be used with infrared cameras. This combination provides night vision for monitoring. The sensor light emits infrared light to illuminate the area. The infrared camera then converts this into visible light signals for night-time recording.

Fire Detection: Motion sensor lights can detect abnormal surface temperatures. They identify early signs of fire. Compared to traditional smoke detectors motion sensor lights can detect fire indications earlier and provide timely warnings.

Personnel Tracking: Motion sensor lights assist security personnel in tracking individuals. They observe the heat distribution in thermal images. This allows security personnel to accurately track and identify targets. This enhances security and protection.

Equipment Abnormality Detection: Motion sensor lights can monitor and detect abnormal conditions in equipment. They observe temperature distribution on equipment surfaces. Potential issues like overheating or electrical leaks can be identified. This prevents safety incidents caused by equipment failures.

Sound Sensor Light

How Sound Sensor Lights Work

A sound sensor light uses a sound sensor to control LED lights. It works by the collaboration between the sound sensor and the control circuit. When a sound is detected in the environment, the sound sensor captures the sound waves vibrations and generates electrical signals based on the frequency and amplitude of the vibrations. The sound sensor sends these electrical signals to the control circuit.

The control circuit is the heart of the sound sensor light. It receives and analyses the electrical signals from the sound sensor, decides whether to turn the light on or off and what brightness to set based on the sound signal intensity and frequency changes. When the control circuit decides to turn the light on, it sends a signal to the switch circuit inside the light, opens the electrical path and allows current to flow to the bulb and it lights up. The control circuit also adjusts the brightness of the light by varying the current. When the control circuit decides to turn the light off, it sends a shutdown signal to the switch circuit and cuts off the electrical path and turns off the light.

Applications of Sound Sensor Lights

Sound sensor lights are widely used in homes. Offices corridors and stairwells also utilize them. They not only make our lives more convenient but also effectively save energy. For example, in homes sound-controlled lights automatically turn on when someone enters a room. They turn off when the person leaves, preventing unnecessary energy waste. In public places sound-controlled lights adjust their brightness based on the flow of people. This ensures adequate illumination while conserving electricity Additionally, sound-controlled lights can be integrated with other smart home devices to achieve more intelligent home control.

Advantages of Sound Sensor Lights

The advantages of sound sensor lights lie in their convenience and energy efficiency. They eliminate need for manual operation. This allows control through sound signals. This greatly enhances convenience. Additionally sound-controlled lights can adjust their brightness and switching state based on actual needs. They effectively save energy. This aligns with green and environmental principles. Users can also customize sensitivity, brightness and other parameters of the sound-controlled lights according to their preferences and needs. This achieves a personalized lighting experience.

Radar Sensor Light

How Radar Sensor Lights Work

A radar sensor light is an intelligent lighting product that uses radar technology to control illumination. It emits microwave signals and receives their echoes, analyzing changes in the echoes to detect the presence or movement of objects in the surrounding environment. When an object enters the detection range of the radar sensor, the light automatically turns on. When the object leaves, the light will automatically turn off after a preset delay, thereby achieving energy savings and automatic control.

Characteristics of Radar Sensor Lights

High Sensitivity: Radar sensor lights can accurately detect human activities. They maintain stable sensing capabilities even in complex environments.

Long Distance Sensing: Radar sensor lights have long sensing range. Typically covering 10 to 20 meters they suit large space lighting control.

Wide Angle Coverage: The sensing angle of radar sensor lights can reach 180 to 360 degrees, almost covering the entire space.

Unaffected by Environment: Radar sensor lights are not influenced by lighting sound, temperature or other environmental factors. They work stably in various conditions.

Energy Efficient: By automatically controlling illumination. Radar sensor lights reduce unnecessary power consumption adhering to modern green and environmental principles.

Advantages of Radar Sensor Lights

Compared to ordinary lights radar sensor lights have several significant advantages

High Precision Detection: Radar sensor lights accurately detect the position and movement of people. They have quick response times. When someone enters the sensing range, the lights automatically turn on. This provides convenient illumination.

High Sensitivity Sensing: Radar technology has clear advantage in sensitivity over traditional infrared sensors. Even small movements can trigger the lights. This offers users more convenient and comfortable experience.

Safety and Reliability: They can detect through walls. They can detect through other obstacles avoiding false triggers caused by environmental changes. They are unaffected by light or temperature. This ensures the reliability and stability of the lights.

High Adaptability: Radar sensor lights can sense the surrounding brightness in real-time. They adjust the lighting intensity according to environmental changes. This achieves optimal effects for both nighttime illumination and daytime supplementary lighting.

Energy Efficiency: Sensors intelligently detect the surrounding environment. They adjust the light’s brightness and operation time based on human activity preventing unnecessary energy waste and saving power resources.

Strong Adaptability: Radar sensor lights can penetrate non-metallic objects such as glass and wood and are unaffected by environmental temperature. They maintain good sensing performance even in high-temperature environments.

Flexible Installation: They can be installed covertly without needing protruding sensor heads to achieve sensitive detection, suitable for various installation needs.

Low Maintenance Cost: Due to their high sensitivity and stability radar sensor lights reduce costs associated with frequent bulb replacements or maintenance.

The Basic Principles of Fire Detection and Alarm in a Sensor Lighting System

The Sensor Lighting system typically includes multiple sensors such as smoke detectors, temperature sensors, and flame detectors. These sensors can monitor environmental changes in real time. When they detect anomalies, such as smoke concentration exceeding preset thresholds, rising temperatures, or the presence of flames, they send signals to the central control unit.

Sensor Lighting System Workflow

Sensor Monitoring: Smoke detectors, temperature sensors and flame detectors are always monitoring for smoke, temperature and flame conditions.

Signal Transmission: Once an anomaly is detected, the sensors send signals to the control panel.

Central Processing: The control panel receives and processes the signals from the sensors. If a fire hazard is confirmed, the system triggers the alarm.

Alarm Execution: The control panel triggers audio-visual alarms, sounding and flashing to alert personnel to evacuate. Meanwhile, the system can also send SMS, WeChat, phone calls or app notifications to relevant personnel or fire department.

Sensor Lighting Intelligent Features of the System

New Sensor Lighting systems have smart features that adjust lighting levels based on environmental changes and respond fast in case of a fire. Some advanced systems can connect to IoT so you can monitor and control remotely and make fire detection and alarms more efficient and accurate.

Sensor Lighting Practical Application Cases

In practice, in office buildings, shopping malls or residential areas, Sensor Lighting can be linked to fire protection systems to form a whole safety monitoring network. These systems not only give timely alarms during fire but also use intelligent analysis to predict potential fire risks and take pre-emptive measures.

In short, the Sensor Lighting system through the combination of various sensors and intelligent control technologies can achieve fire detection and alarm, people and property safety. With continuous technology evolution, these systems will get better and better, more and more innovations and breakthroughs in fire safety.

Sensor Lighting Manufacturers

Comled Technology is a professional led sensor lighting product and solution provider for global linear linear luminaire user, dedicated in design, produce and sale sensor LED batten fitting for ten years. Our products are widely used in car park, warehouse, subway, tunnel, underground passage, stair well, corridor, factory, supermarket, railway station and so on.

As one of the professional sensor linear luminaire manufacturer, we established Research and Development Department which focus on ID design, structure design, electronic circuit design and testing. We obtained rich experience and ability in providing OEM&ODM service from different requirements. Such as: CAD lighting design, customized package, customized watts, movement microwave sensor, emergency battery back-up or other customized requirements. Our factory was certificated by ISO9001 quality control system. Most of our products are patented design, approved by CE, SAA, C-tick, LVD, EMC, IEC, LM80, RoHS, ETL. We have built a entire produce and test lines, including SMT devices, punching machine, laser printer machine, PCB splitter, high voltage tester, aging test machine, high-low temperature test champer, spectrum tester etc . All of these make sure that we can offer customers the best quality and reliable sensor linear luminaire.

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