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The working principle of ultrasonic Additional online at screening ultrasound vibration wave (mechanical waves), so that acceptance of ultrafine powder precursor enormous ultrasonic acceleration, thereby inhibiting the adhesion, friction, flat down, wedging, etc. Net blocking factors, screening efficiency and improve the efficiency of clearance Net . Ultrasonic Product Description Ultrasonic Vibrating Screen is 220V, 50Hz or 110V, 60Hz power into 18 kHz high-frequency electrical energy, type ultrasonic transducer, turning it into 18 kHz mechanical vibration, to achieve the efficient screening and clearance Net purposes. The system is at the basis of the traditional shaker sieve on-line at the introduction of a low-amplitude, high frequency ultrasonic vibration wave (mechanical waves), Advanced Micro Devices in order to improve the screening properties of body segments. Particularly suitable for high value-added fine split users. Technical parameters of ultrasonic Maximum output power of ultrasound: 200 Weff Output voltage: 900 Veff maximum Maximum Output Current: 1 A (current limit) Fuse: 100-120 V: 2 x 2.5 A slo blo 200-240 V: 2 x 1.25 A slo blo Mode: continuous mode - 100% duty factor pulse cycle 1Hz modulation mode 50% duty factor Pulse mode-10Hz modulation 70% duty factor Level protection: IP65 Pollution Level: 2 Ultrasonic installation specification Weight: 6.6 kg Electrical connection: 200-240 V ± 10% / 1 A maximum 100-120 V ± 10% / 2 A maximum Frequency: 50/60 Hz Ambient temperature: 0 - 45 ° C The highest relative air temperature: 30 ° C under 80% Installation category: II Job Location: interior, elevation is not higher than 2000m Ultrasonic Vibrating Screen Power Ultrasonic Vibrating Screen Vibrating Screen ultrasonic power are the core technology to solve the problem screen mesh plug has played a vital role, so that shaker sieving particles can be more sophisticated, efficient screening, a wider scope of application . Ultrasound Netcom - to expand the use of ultrasound systems Using the same ultrasonic power supply, connect a clear Net transducer, ultrasonic transducer radiating with the Nets plug contact, the relative displacement, you can plug the mouth of Clear Net objects. With quickly and efficiently, to improve the quality of clearance Net, Net mouth does not change size, not to harm the surface quality of wire mesh, etc., can be widely used screening test sieve and work. Model effective screen diameter (mm) Power Screen Specifications Type the effective diameter of screen (mm) power (Kw) the specificationof the screen S49-600 φ520 0.37 100-500mesh S49-800 φ720 0.55 100-500mesh S49-1000 φ890 1.1 100-500mesh S49-1200 φ1090 1.1 100-500mesh S49-1500 φ1390 2.2 100-500mesh The power source is electronic installation's essential functional module, its performance fit and unfit quality immediate influence to electronic installation's technical performance and reliability. This article introduced the 25V/1A switching power supply's structure, the principle and the design process and so on. The entire power source by the input circuit, the leveling circuit, the feedback circuit, the overvoltage protection electric circuit, the overflow protection circuit, from restores the electric circuit, the output circuit and so on, but also has the soft start function. The switching power supply has the efficiency to be high, the volume is small, the weight is light, the reliability is high, the load shares and so on easily a series of characteristics. This topic uses the switching mode is the entire bridge all controls the rectification filter, moreover the power source has also utilized the soft switch technology, causes its loss to reduce obviously, the DC-DC transformation use cuts the wave boosted circuit to realize, the structure is simple, the transfer efficiency is high; Selects the small breakover resistance, the high shutter speed P60N06 tube for the switching valve, to select the quick recovery diode rectification, reduces the reverse breakover time, reduces the loss. Has realized the design requirements through the experimental verification electric circuit completely the basic quota, and the DC-DC conversion efficiency achieves 85%. The circuit design also has many insufficiencies, each design target also waits for further enhancing. 超聲波工作原理 　　附加在篩網上的超聲振動波（機械波），使超微細粉體接受巨大的超聲加速度，從而抑制粘附、摩擦、平降、楔入等堵網因素，提高篩分效率和清網效率。 超聲波產品說明 　　超聲振動篩是將220V、50Hz或110V、60Hz電能轉化為18KHz的高頻電能，輸入超聲換能器，將其變成18KHz機械振動，從而達到高效篩分和清網的目的。該系統在傳統的振動篩基礎上在篩網上引入一個低振幅、高頻率的超聲振動波（機械波），以改善超微細分體的篩分性能。特別適合高附加值精細分體的用戶使用。 超聲波技術參數 　　最大超聲輸出功率： 200 Weff 　　輸出電壓： 最高900 Veff 　　最大輸出電流： 1 A （限制電流） 　　保險絲： 100-120 V： 2 x 2.5 A slo blo 　　200-240 V： 2 x 1.25 A slo blo 　　工作模式： 連續(xù)工作模式- 100%占空系數 循環(huán)脈動工作模式 1Hz 調制 　　50%占空系數 　　脈動工作模式-10Hz調制 　　70%占空系數 　　保護等級： IP65 　　污染等級： 2 超聲波安裝規(guī)范 　　重量： 6.6 kg 　　電氣連接： 200-240 V ± 10% / 1 A 最高 　　100-120 V ± 10% / 2 A 最高 　　頻率： 50/60 Hz 　　環(huán)境溫度： 0 - 45°C 　　最高相對空氣溫度: 30°C下80% 　　安裝類別： II 　　工作位置： 室內，海拔不高于2000m 超聲波振動篩電源 　　超聲波振動篩電源是超聲波振動篩的技術核心，對解決篩網網孔堵塞問題起到了至關重要的作用，使振動篩能篩分的顆粒更精細，篩分的效率更高，適用范圍更廣。 　　超聲網通——超聲系統擴展使用 　　用同一個超聲電源，連接一個清網換能器，用超聲換能器的輻射面與被堵塞的網面接觸，相對位移,即可清除網口的堵塞物。具有快速高效、改善清網質量、不改變網口尺寸、不傷害絲網表面質量等優(yōu)點,可廣泛應用于試驗篩和工作篩。 　　型號 有效篩分直徑 (mm) 功率 篩網規(guī)格 　　Type the effective diameter of screen (mm) power(Kw) the specificationof the screen 　　S49-600 φ520 0.37 100-500mesh 　　S49-800 φ720 0.55 100-500mesh 　　S49-1000 φ890 1.1 100-500mesh 　　S49-1200 φ1090 1.1 100-500mesh 　　S49-1500 φ1390 2.2 100-500mesh 電源是電子設備的必不可少的功能模塊，其性能的優(yōu)劣直接影響到電子設備的技術性能和可靠性。 本文介紹了25V/1A的開關電源的結構、原理和設計過程等。整個電源由輸入電路、整流電路、反饋電路、過壓保護電路、過流保護電路、自恢復電路、輸出電路等，還具有軟啟動功能。開關電源具有效率高、體積小、重量輕、可靠性高、負載分擔容易等一系列特點。本課題采用的開關方式是全橋全控整流濾波，而且電源還運用了軟開關技術，使它的損耗明顯降低，DC-DC變換使用斬波升壓電路來實現，結構簡單，轉換效率高；選用小導通電阻、高開關速度的P60N06管為開關管、選用快速恢復二極管整流，減少反向導通時間，降低損耗。通過實驗驗證電路實現了設計要求的全部基本指標，并且DC-DC變換效率達到85%。電路設計還有很多不足，各項設計指標還有待進一步提高。