حل Dynamometers المتعدد
مقياس التباطؤ
مقياس البودرة المغناطيسي
Eddy Current Dynamometer
Dynamometers Testing solution is a device used to measure عزم الدوران, قوة, و rotational speed of an engine, محرك, or other rotating machinery. Dynamometers are critical tools used in various industries, including automotive, الفضاء الجوي, and industrial sectors, to test the performance, كفاءة, and reliability of engines, المحركات, and drivetrains under different load conditions. Whether for R&د, production line testing, or regulatory compliance, a dynamometer provides accurate data that helps manufacturers optimize products for maximum efficiency and safety.
Principles of Dynamometers:
A dynamometers is a device used to apply a load or braking force on the test object， (such as motors, المحركات, mechanical systems, إلخ.) to measure its power and performance. The operating principle of a dynamometer usually relies on several methods:
Dynamometers typically classify into the following types:
Eddy-Current Dynamometer
مقياس البودرة المغناطيسي
Powder Brake Dynamometer
Hydraulic Dynamometer
Pneumatic Dynamometer
Factors to Consider When Selecting a Dynamometer
Dynamometers cover a wide range of Torque, تقييمات السرعة والطاقة الميكانيكية. selecting the appropriate size Dynamometer for your motor testing needs, you will need to determine the Maximum Torque, سرعة و Power applied to the Dynamometer:
It is important to consider all torque points that are to be tested, not only rated torque, but also Lock Rotor and Breakdown Torque. Dynamometer selection should initially base on the maximum torque requirement, subject to determining the maximum power requirements.
This rating is to be considered independent of عزم الدوران and power requirements, and is the maximum speed at which the Dynamometer can be safely run under free run or lightly loaded conditions. It is not to be considered as the maximum speed at which full braking torque can appliy.
These ratings represent the maximum capability of the Dynamometer，Braking System to absorb and dissipate heat generated when applying a braking load to the motor under test. The power absorbed and the heat generated by the Dynamometer is a function of the Torque (T) applied to the motor under test, and the resulting speed (ن) of the motor.
Our Brake Dynamometer Testing Systems combine cutting-edge technology with reliable data capture to offer precise results, making them ideal for industries that require detailed performance and durability testing.
Accurate Torque & Power Measurement: Whether testing engines, المحركات, or components, our dynamometers provide precise readings of torque, قوة, and rotational speed.
Real-World Testing Conditions: Simulate driving conditions, load profiles, and environmental factors for more realistic data.
Non-Wear Technology: Features like eddy-current braking in dynamometers reduce wear and tear on components, resulting in longer-lasting equipment.
Compliance with Industry Standards: Our systems are fully compliant with EPA, ISO, و WLTP standards, ensuring your product meets global regulatory requirements.
Customizable and Scalable: Tailor the dynamometer to your specific testing needs, with options for electric, hybrid, and traditional vehicle testing, as well as custom testing setups for industrial applications.
Energy Recovery: Reduce testing costs by recovering energy during regenerative braking tests, particularly useful in electric vehicle (إيف) اختبار.
Real-Time Data Logging: Continuous, real-time monitoring and data acquisition allow for immediate analysis and adjustment during tests.
Our dynamometers testing solutions are versatile and can appliy across various industries to test and validate a wide range of systems:
السيارات & Electric Vehicles (EVs)
Performance and efficiency testing for المحركات, المحركات, الإرسال, و المحركات.
Compliance with emission و fuel economy standards.
Battery testing for electric vehicles to monitor power output, كفاءة, and regenerative braking.
الفضاء الجوي & الطيران
Testing of propulsion systems and engines for performance, كفاءة, and safety.
Durability testing of aerospace components to ensure reliability during extreme conditions.
Industrial & Heavy Machinery
Performance testing of gearboxes, المحركات, و compressors under heavy loads.
Energy efficiency testing to reduce power consumption and improve operational performance.
محرك & Engine R&د
Analyze engine performance و motor dynamics to improve design and efficiency.
Test for power output, عزم الدوران, و سرعة under varying load conditions.
Emissions Testing
Perform emissions testing for vehicles and engines to ensure compliance with local and international environmental standards.
Modular Design: Adaptable to test various vehicle types and components. From single-axle testing ل multi-axle and full drivetrain systems, our dynamometers can handle it all.
High Precision & Repeatability: Engineered for high accuracy in measuring torque, قوة, and speed, our systems ensure reliable data every time.
Variable Load Simulation: Simulate real-world conditions such as accelerations, decelerations, و constant-speed cruising for automotive testing.
Safety Features: Includes features like over-speed protection, automatic shutdown in case of failure, و manual control for emergency situations.
Advanced Software Integration: Integrated software solutions for real-time data logging, visualization, and customizable reporting. Analyze data in an intuitive interface.
Energy Recovery System: Save on energy costs by utilizing regenerative braking for electric vehicle (إيف) اختبار و hybrid powertrains.
نحن نقدم مقاييس عزم الدوران, وصلات, الحذافات, مغزل & منصات اختبار لكل من طائرات الهليكوبتر واختبار مكونات المحرك الجوي
نحن نقدم حل الاختبار للمحركات البحرية, أنظمة الدفع, المحركات الكهربائية, مجموعات المولدات, علب التروس انتقال, أنظمة الطاقة المساعدة, أنظمة غاز العادم, وقطع غيار السفن
نظام اختبار مضخة المياه هو جهاز متخصص يستخدم لاختبار أداء مضخات المياه, تستخدم عادة لتقييم المعلمات الرئيسية مثل التدفق, رأس, قوة, والكفاءة.
EconoTest manufactures four dynamometer families: مقاييس التباطؤ (سلسلة EC/ECO) for precision low-torque testing, مقاييس التيار الدوامي (سلسلة اي سي دبليو) for high-speed testing, مقاييس قوة المسحوق المغناطيسي (سلسلة اي سي اف) for high-torque low-speed and production line testing, and four-quadrant AC dynamometers (من EC5A إلى EC2000A) for motoring and loading applications. All parameters are customizable upon customer requirements.
Hysteresis dynamometers cover 0.1–30 Nm; eddy current dynamometers cover 0.5–300 Nm; magnetic powder dynamometers cover 2–2,000 Nm; AC dynamometers cover 5–2,000 Nm. Together the range spans from 0.1 Nm micro-motor testing to 2,000 Nm heavy industrial applications.
Hysteresis and magnetic powder dynamometers both deliver full rated braking torque at zero RPM, making them suitable for starting torque, عزم الدوران المسنن, and locked rotor testing. Eddy current dynamometers cannot generate torque at zero speed because braking force depends on rotor motion. AC dynamometers can apply torque at zero speed in motoring mode.
Eddy current dynamometers reach the highest speeds — up to 50,000 دورة في الدقيقة (ECW05KB). Hysteresis dynamometers reach 30,000 دورة في الدقيقة (سلسلة كيلو بايت) أو 25,000 دورة في الدقيقة (سلسلة اتش بي). AC dynamometers cover 8,000–18,000 RPM. Magnetic powder dynamometers are limited to 2,000–5,000 RPM and are best for low-to-medium speed applications.
التباطؤ: ±0.5% الحجم الكامل (سلسلة كيلو بايت) or ±0.2% (HB high-precision series). الدوامة الحالية: ±0.2% to ±0.5% full scale. مسحوق مغناطيسي: ±0.2% to ±0.5% full scale. مقاييس قوة التيار المتردد: ±0.20% full scale for both torque and speed.
Eddy current dynamometers are all water-cooled. نماذج مسحوق مغناطيسي أدناه 20 نانومتر يتم تبريدها بالهواء, 20 Nm and above are water-cooled. Hysteresis cooling varies by model: air, الهواء + الماء, water+blower or air+blower. Cooling requirements are specified per model in the technical documentation.
Absorption dynamometers (التباطؤ, التيار الدوامي, مسحوق مغناطيسي) can only apply braking load — they absorb energy from the unit under test and dissipate it as heat. A four-quadrant AC dynamometer can both load and drive the test article in both rotation directions, and recovers braking energy back to the grid, enabling efficiency mapping and hybrid powertrain simulation.
نعم. EconoTest offers multiple dynamometer solutions that combine different dynamometer types on a single platform, allowing one test bench to cover a wider torque and speed envelope. Contact EconoTest engineers to configure a combined solution for your test range requirements.
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