change valve 中文意思是什麼
change valve
解釋
換向閥-
This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective
本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。 -
By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。 -
Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。 -
The material was change to liquid material after pass through a chute and then flow into the flow valve, which can prevent the flow control parts from forming columnar material
物料先通過一段小斜槽，使物料流態化，然後再進入流量閥，這樣可避免在流量控制部分形成料柱。 -
And, this thesis return as to it ' s measure to measure the proceeding error margin the analysis, and was analyzed by error margin the enthalpy different laboratory matchs the gb / t 7725 - 1996 standard, can be used for measuring the making the cold and making the heat ' s ability, the consuming, the cop, the breeze deal under the steady state or not steady state of air condition of diagraph room, and it can also test the influence of the four channels change to the face valve and and the electronic expanding valve to the whole function of the air condition
而且，本論文還對其測量量進行誤差分析，經誤差分析該焓差室符合gb t7725 - 1996標準，可用於測量房間空調穩態及非穩態製冷能力和制熱能力、工耗、 cop以及空調器室內機組的風量，並能測試四通換向閥、電子膨脹閥等控制元件對空調器整體性能的影響。 -
When the temperature to gas pipelines, temperature packets of material expansion, the pressure rise, inflation pressures are rising corrugated box, corrugated promote the expansion thrust to overcome the spring - loaded pole resistance, the ball - type valve opened for big change ; when the gas pipeline to reduce the temperature, temperature of the material swelling up, the pressure lowered inflation corrugated box pressure also reduced, spring - loaded pole compressed corrugated of resistance to thrust, spherical valves open for smaller ; this constant push and pull adjustment for the balance, as long as refrigeration cycle continue
當回氣管道溫度升高，感溫包內的物質膨脹，壓力升高，膨脹波紋箱內壓力也升高，波紋腔膨脹推動推力桿克服彈簧阻力，球型閥開度變大；當回氣管道溫度減低，感溫包內的物質膨脹，壓力降低，膨脹波紋箱內壓力也降低，彈簧阻力推動推力桿壓縮波紋腔，球型閥開度變小；如此不斷的進行推拉調整平衡，只要製冷循環繼續下去。 -
Three position four - way electromagnetic change - over valve
三位四通四磁轉換閥 -
Three position four - way hand change - over valve
三位四通手動轉換閥 -
Its control precision must fit a certain extent standard. now, proportional hydraulic valve which developed from the general hydraulic valve is applied in ali kind of control scopes. it uses proportional electromagnetic iron to change the electron signal into mechanical signal instead of the manual adjuster or general switch electromagnetic iron
現在工業生產中得到廣泛應用的比例液壓閥多是在普通液壓閥的基礎上，採用廉價而可靠的比例電磁鐵作為電-機轉換元件，把電氣控制信號轉為機械信號，以代替原閥內的手動調節器或普通開關式電磁鐵。 -
Add lubricant to the transmission parts regularly. check the sealing filler of the valve regularly. complement or change filler avoiding leakage of medium
定期給閥的傳動部位加潤滑油。定期檢查閥的密封填料處，補充、更換填料以防介質外泄。 -
The valve operating mode starts to change the moment the lift becomes zero
當生程一變成零，汽門操作模式就開始變換。 -
Due to this, it is important to improve the hydraulic power system and enable it to control the pressure change at the measuring points of the servo valve, thus to develop the syt - ii servo valve overlap hydraulic measuring platform and improve the processing quality of servo valve
因而對其油源系統加以改進，使其能控制伺服閥測量口處壓力變化，進而開發出高精度的恆壓油源，研製出syt - ii型伺服閥疊合量液動測量臺，提高伺服閥的加工製造水平。 -
After completing the static and dynamic experiments on the5 electro - hydraulic component & system test unit, the author made further experiment research in the close loop system of hydraulic elevator, and get satisfying testing results. to sum up, the author build a set of theories and formulary for the design of integrated valve, change the traditional methods for the structure design of hydraulic elevator valves by the tools of pro / e, carry out a lot tests of the integrated valve on the special test platform
縱觀全文，作者對針對液壓電梯專用集成閥建立了一套比較完整的設計計算的理論依據；採用三維造型軟體對集成閥進行實體建模，改變了液壓電梯專用集成閥的傳統結構設計方法，使集成閥的結構設計達到了更好的效果；利用專門的電液元件測試平臺和液壓電梯臺架對集成閥進行了比較全面的實驗，拓展了新元件的實驗研究手段。 -
Under the lowtemperature ( - 196 ), the rigidity of such elastric elements as spring and bellow in the cryogenic valve will change inevitably and affect the valve working performance
摘要在低溫環境（ - 196 ）中，低溫閥門用彈簧、波紋管等彈性元件的剛度特性將發生變化，並直接影響閥門的低溫工作性能。 -
Color change of running status of pump or valve
閥、泵運行狀態的顏色變化。 -
According to bernoulli theorem, kinetic energy and potential energy change due to the thermokinetic differences of steam and conden sation water, and action valve plate starts and stops to choke air and drain water
圓盤式疏水閥是根據伯努力熱動力原理，利用蒸汽和凝結水通過閥孔時流速和何種產生變化的不同熱力學性質，驅動閥片開關閥門，從而達到阻汽排水。 -
In order to change the situation of refitting the petrol auto for cng auto developed slowly, chongqing actively develops the technical research on gas automobile engineering, for the moment has already grasped the majority key technology of the natural gas automobile industry and offered dozens of items of performance test and appraisal successfully for a lot of large - scale automobile enterprises such as china faw group corporation, saic - volkswagen co., ltd. etc. the engineering level of cng vehicle, cng station complete equipment, nature gas cylinder and gas selling machine as well as high pressure valve that chongqing developed are in the leading position at home, the scale of industry has already taken shape tentatively
另外，蘇州市客運管理處透露，除了發展「智能公交」外，蘇州市今年城市公交還有四件大事，分別為淘汰現存的28輛通道車，更新300輛公交車搭建科學有效的三縱三橫兩環的公交線網主骨架大規模建設蘇州目前急需的公交站場，其中一處位於新汽車南站附近蘇州市公共交通規劃方案爭取通過市政府審議全面完成中巴車收購淘汰，實現城鄉公交一體化。 -
There shall be semi - auto change over system in the gas yard and main pressure valve and relief valves should be located outside the lab building
安裝半自動轉換閥控制氣瓶更換，主要的控制閥門和減壓閥門都安裝在實驗室外。 -
The proportional flow valve control system with speed - electric feedback applied in hydraulic elevators can eliminate disturbances of nonlinear source such as oil temperature and load change. in this system, the proportional valve plays a key role
採用轎廂速度一電大閉環反饋控制方法的電液比例閥控系統，可以排除油溫及負載變化等因素引起的非線性干擾，極大地提高了液壓電梯的工作性能。 -
The hydraulic servo system using electric - fluid servo valves to realize closed loop positioning control integrated with electromagnetic direct - change valve to realize the arms " compliance control was designed
設計了採用電液伺服閥實現閉環位置控制，結合電磁換向閥實現手臂的柔順控制的液壓系統。
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