ZR中國SF6氣體密度繼電器及SF6氣體密度控制器

帶變送器遠傳輸出

SF6 密度控制器/ 變送器YXMS
SF6 Density Controller / Transmitter

型號標示 Model Indication:
YXMS-100

YXMS-100 型數字密度控制器的電器工作原理見示意框圖。

Here is YXMS-100 s electrical principle scheme.

一、用途Applications
YXMS-100 型SF6 氣體密度控制器/ 變送器主要應用于高壓電器設備（如高壓斷路器、互感器、GIS 等）設備上，儀表通過輸出開關信號，4～20mA 標準電流信號（或直接給出RS485標準接口）對高壓電器設備內SF6氣體的密度即可實現現場監測，又可實現遠程控制。

YXMS-100 SF6 density controllers / transmitters are mainly used in high voltage electrical equipment (such as high voltage breakers, mutual inductors, GIS etc.) The instrument outputs switch signal, 4~20mA standard current signal(or directly to RS485 standard ports) to remotely control SF6 gas density.

二、工作原理Working Principle
YXMS-100 型密度控制器/ 變送器是我公司開發生產的新型SF6氣體密度測量控制產品，它采用了一種新型的機械電子相結合的設計方案，即將傳統機械SF6 氣體密度控制和電子技術融匯在一起。這一設計充分考慮了在使用現場的惡劣環境，如高低溫、強電磁干擾及強震動沖擊對儀表的影響，從而極大的提高了儀表的性。儀表在設計上又考慮了在接入計算機測量系統時所必須的數字接口，以適應現代測量的需要。

Integrating mechanical and electrical means ? a combination of conventional SF6 density controller and electrical technology, YXMS-100 density controller / transmitter is a new SF6 gas density measuring and control instrument developed by our company. This new design eliminates the concern about harsh working environment
like extreme temperature, high EMI and vibration, which may influence the instrument, therefore increases reliability greatly. Digital ports to computer measuring systems are provided to meet the requirement of modern measurement technology.

該儀表在原理上采用了雙重測量原理設計，首先將被測氣體分為兩路，一路送入波登管，另一路送入壓力傳感器。送入波登管的被測氣體經過壓力—密度轉換補償器件、傳動器件推動指針在面板上直接顯示壓力值。另外，在被測氣體達到和觸及設定的報警值時，將直接驅動報警繼電器的觸點閉和，以便將該信號輸出。這一設計的優點是利用機械式密度控制器傳感器對溫度、震動和電磁干擾的不敏感性和滯后性，有效的提高了在室外惡劣環境下的性，尤其對超高壓電力開關開啟、閉合時所引起的強電磁脈沖干擾。經實驗，這一設計對強電磁干擾情況下采用電子器件所引起的密度控制器驅動系統誤動作，有很大的提高和改進。另一方面，為了適應數字測量系統的需要，另一路被測氣體送入壓力傳感器。從傳感器輸出的被測壓力信號經放大、模數轉換、數字補償處理、送入數字接口，以現代數字測量技術所具有的標準數字接口和工業控制信號輸出，形成測量系統。

This instrument features dual measuring elements. The measured gas is split into 2 paths, one to the bourdon tube, the other to the pressure transmitter. The gas pressure is shown on the dial thru the bourdon tube, pressure-density conversion compensator and mechanism, and it directly closes the contact of alarm relay when

the gas reaches the set point. The advantages of the mechanical element are insusceptibility and hysterisis to temperature, vibration and EMI especially when superhigh voltage switches act, and these efficiently improve performance in outdoor harsh environment. Practices have proved this design prevents system’s faulty function caused by EMI. On the other hand, to match digital measuring system, the pressure transmitter sends a signal out via magnifier， A/D convertor, digital compensator and standard digital ports of modern digital measurement technology, to build a measuring system.

新型的SF6密度控制器/變送器充分考慮了現場的需求以及抗強電磁干擾的特性，另外使用電子技術、微控制器、通訊等先進技術，即保留了機械式壓力控制器穩定的特點，又使得新型儀表具備了不可比擬的優越性。

The new SF6 density controller / transmitter takes care of onsite needs and high EMI, with electrical, micro-control, communication technologies, plus stable performance of the mechanical element, it gives the new instrument unmatchable advantage.

YXMS-100 型密度控制器整機采用圓形結構，選用直徑φ 100mm