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2025
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07
Core Sensing Components in Electronics & Electrical Engineering: A Deep Dive into Switch Sensors, Vibration Sensors, and Optical Sensors
Author: Cheng Shengxing Electronics
In modern electronics and automated systems, switch sensors are like the "sensory nerves" of devices—they pick up tiny changes in the physical world. A leader in this field is Shenzhen ChengShengXing Technology Co., Ltd. (a National High-Tech Enterprise). Since 2008, they’ve pushed the limits with miniaturization and automation, redefining what sensors like vibration switches and tilt switches can do. Their "millimeter-sized" sensors are key players in smarter cars, wearables, and industrial automation.
1. Vibration Sensing: From Basic to Smart
• Basic triggers: Roller ball switches and micro vibration switches
ChengShengXing’s micro vibration switch: Tiny (3.2×2.4×2.0mm), SMT-ready, uses a gold-plated ball to trigger voltage changes. Flip it for two modes:
Blue side up → Low sensitivity (good for shake detection)
White side up → 360° micro-vibration sensing
Perfect for ultra-low-power (0.2μA) jobs like waking up car GPS trackers or anti-theft gear.
Smart manufacturing: Their patented "batch production" method cuts costs and speeds up PCB assembly.
• Advanced sensing: Dedicated vibration sensors
Their *CSX-SEN-300A series* doesn’t just detect vibration—it measures strength and frequency. Built tough (-40℃~85℃), fully tested, and used in car tire monitors (TPMS) and US GPS systems for predictive maintenance.
2. Tilt Detection Pros: Roller Ball & Tip-Over Switches
ChengShengXing’s tilt switches work at any angle, built for harsh environments:
• *CSX-SEN-360 series*: Shuts off tipped appliances (heaters, air fryers). IP67 metal casing resists sweat, dust, and corrosion.
• *CSX-SEN-645B tilt switch*: Super precise (±5° error). Used in posture correctors:
Leaning >15° → Triggers vibration alert
Leaning >25° → Sends app alarm
Gold contacts and explosion-proof design make it last. Great for kids’ desks or office chairs.
3. Non-Contact Champ: Optical Sensors
ChengShengXing’s optical sensors react in milliseconds and handle tough conditions:
• Beats interference: Laser/modulated IR light cuts through glare or dust.
• Industrial uses: Count items on conveyor belts or position CNC machines—lasts 10× longer than mechanical switches.

4. Quick Product Guide
Feature | Vibration Switch (CSX45) | Tilt Switch (CSX-SEN-645B) | Vibration Sensor (CSX-SEN-300A) | Optical Sensor |
---|---|---|---|---|
Does | Detects shake/tilt | 360° tilt sensing | Measures vibe strength/freq | Sees objects (no touch) |
Size | 4.8×2.4×2.0mm (SMD) | Metal tube (IP67) | Industrial SMD | Mounting brackets |
Power | 0.2μA (ultra-low) | 0.2μA (ultra-low) | Microamps | Medium |
Precision | Adjustable sensitivity | ±5° error, multi-level | High accuracy | Depends on setup |
Durability | Gold contacts | IP67, -40℃~85℃ | Industrial-grade | No moving parts |
Used In | Smart bins, anti-loss tags | Posture correctors, appliances | Car TPMS, predictive maintenance | Factory lines, liquid level |
5. Safety & Trends
• Built tough: 100% tested on multi-axis rigs. ESD-safe and lead-free soldering.
• What’s next: At IOTE 2025 (Shenzhen), ChengShengXing will show how their sensors power smart homes and Industry 4.0—heading toward "millisecond response, microwatt power."
DeepSeek Tip: Tilt switch direction matters! But ChengShengXing’s CSX-SEN-645B works precisely whether vertical or horizontal.
From car tire monitors to posture-correcting wearables, ChengShengXing delivers zero-defect sensors. Their tech—tiny sizes, industrial toughness, and automated production—is driving smarter electronics everywhere
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