熱膨脹閥 的英文怎麼說
中文拼音 [rèpéngzhàngfá]
熱膨脹閥
英文
thermo expansion valve-
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。Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le
對于不同工質的冷藏集裝箱製冷系統,電子膨脹閥應該根據具體製冷劑的熱力性質選取;電子膨脹閥流量系數對孔徑和脈沖數比較敏感;在結構固定時,流量系數隨蒸發溫度的降低而升高,隨冷凝溫度的增加而增大,受過冷度變化的影響較小;電子膨脹閥的容量受孔徑影響最大。In the nibco design stop - checks, you will note that the disc is mounted to permit the disc to settle into the seat area for positive sealing in case there is any misalignment due to assembly or uneven heat expansion
從美國尼伯科的截止止回閥結構設計中,人們可能會注意到,萬一出現由於組裝問題或不穩定的熱膨脹導致的中心線錯位,所安裝的閥瓣能夠適應閥座區域的要求主動調整密封。In the joint of lg pex - a pipe, male xocket is pressed to a convex on the inserting part and the fastening ring will contract to fasten up the heating pipe by the fastening of outer nut, and there is also a convex on the ring to offer close coupling by mechanical re - press effect to prevent water from leaking in case of heat expansion
在lg地熱管中的連接部位不僅閥門管套插入部分的凸起部位被機械作用壓密,而且隨著外部螺母被擰緊,使緊固環收縮,從而帶緊熱炕暖氣管,另外由於存在凸起部位,可通過機械作用進行再次壓密,因此可防止由於熱膨脹而引起漏水。The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in
空氣節能熱水器是創新一代熱水設備,它成功地運用逆卡諾原理,用電能驅動熱泵,通過熱泵裝置中的構成部件-蒸發器,熱泵,冷凝器和膨脹閥,促使工質不斷完成蒸發(吸收空氣中的熱量)壓縮冷凝節流蒸發的熱力循環過程,從而環境的熱量轉移到水中,將空氣中大量免費的熱量轉移到生活中水中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。Automotive air conditioner accessories : automotive air conditioner cooler, evaporator, heat sink, air conditioner, temperature adjuster, heater, central cooler, air desiccators, cooling fan controller, internal heat exchanger, compressor, motor, air warmer, warm air device, electronic fan for cooling condenser, liquid can, thermal expansion valve, air condition pipeline, switch, clutch, connector, height valve, shunt valve and all kinds of automotive air conditioner production materials ( body aluminum, copper materials, etc ), production equipment, measurement equipment, etc
車用空調配件:各種車用空調冷凝器、蒸發器、散熱器、空調器、調溫器、加熱器、中冷器、空氣乾燥器、冷卻風扇控制器、內部熱交換器、壓縮機、電動機、暖風機、暖風裝置、各種冷凝器電子扇、貯液灌、熱力膨脹閥;各種車用空調管路、開關、離合器、接頭、高低閥、換向閥及各種車用空調生產材料(車用鋁材、銅材等) 、生產設備、檢測設備等。Thermostatic refrigerant expansion valves - methods of testing for performance
熱力製冷劑膨脹閥.性能的檢驗方法Analysis on the matching performance of thermal expansion valve with plate evaporator
板式蒸發器與熱力膨脹閥的匹配分析They will short down the working life of air compressor because they are always started or stopped when we want to make the railway carriage stay in a fixed temperature. now, automatic and intelligent control systems are being applying in bus air - conditions control. in this way, computers control the work of air compressor, the turnaround speed of fan, the open degrees of wind controlled doors and so on
我國大多數客車空調仍然採用簡單的壓縮機開關控制及循環離合控制系統,如:離合器?熱力膨脹閥系統( cctxv )和離合器?節流管系統( ccot ) ,這些控制方式的精度低,當進行恆溫控制時壓縮機處于頻繁的開、停狀態,縮短了壓縮機的工作壽命。Because expansion valves are high precision processing components, factory in its internal adjustment of the body parts are processed in a state of complete thermostatic, the temperature of the gas filling kits are demanding more consistent not detect leaks, in the completion of the expansion valve assembly also undergo strict testing and fatigue resistance aging sampling, the construction expansion valves : 1 : indeed temperature temperature kits ; 2 : temperature gas or liquid filled with the expansion corrugated ; 3 : spherical valve seat ; 4 spherical valves ; 5 : spring ; 6 : overheating degrees adjustment screw spacer and screw ; 7 : internal and external ( h - type ) sealed pieces ; 8 : thrust poles and corrugated of spacer ; 9 : fati ; 10 : capillary, and so on
因為膨脹閥是屬于超高精密加工的零件,在工廠對其內部調整機構零件的加工都在恆溫狀態下完成,其中的感溫包的氣體充填更是要求嚴格一致不允許一絲泄漏,在完成裝配的膨脹閥還要經過嚴格的測試和耐疲勞老化抽檢,膨脹閥的構造: 1 :感知溫度的感溫包; 2 :感溫氣體或者液體充填膨脹波紋腔; 3 :球型閥座; 4球型閥; 5 :彈簧; 6 :過熱度調整螺絲墊片和螺絲; 7 :內部和外部( h型)密封件; 8 :推力桿和波紋腔墊片; 9 :閥體; 10 :毛細管等等。The results show that, when the compressor continuously runs, the stability of the test bed after using manual valve is better than that of using thermal valve, and it is little affected by the kinds of valves for adjusting cooling water ; and that, when the compressor intermittently runs, the operation stability would be obtained if pneumatic valve is used to adjust cooling water, especially at low speed
結果表明,壓縮機連續運行時,製冷劑採用手動閥調節后工況的穩定性明顯好於採用熱力膨脹閥時的情況,此時調節冷卻水量用的電動調節閥和氣動調節閥對工況穩定性影響相差無幾;間歇運行時,無論是熱力膨脹閥還是手動閥,即便壓縮機通電時間最長,仍達不到設定工況,特別是低速的斷續尤為明顯,而使用氣動閥就能很好地解決這一問題。The titanium alloy valve is more superior than ordinary steel valve in lighter, smaller thermal expansion coefficient, lower in thermal expansion, fatigue durable, good elasticity, and reduces oil consumption so as to prevent instability while revolving at high speed and obtain perfect performance
鈦合金汽門彈簧比一般鋼閥材質更輕巧、熱膨脹系數小、熱量傳導擴散更低、耐疲勞、彈性佳、減少油耗,以阻止在高速運轉下的不穩定以獲致最完美的性能表現。Parallel seat gate and seat ring construction can be furnished for high differential pressure services or where high piping loads or thermal expansion may cause sticking of a wedge type gate
平行閥座閘閥和閥座環結構可以應用在高壓差應用環境中,或者高管道負載,或可能導致楔形閘板閘閥卡住的熱膨脹應用環境中。The input of the heater is controlled with proportional - integral - differential ( pid ) logic. the flux of the cooling fluid is regulated by electronic expansion valve
系統採用pid演算法控制導電鍍膜的加熱量,同時使用電子膨脹閥調節冷卻介質的流量。It specifies the process of the design, simulation and experiment of liquid cooling system. main contents of the thesis are as follows : description of the present usage of liquid cooling system, presentation of a new type of liquid cooling system and description of its work principles ; design of the liquid cooling system, which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system. meanwhile, the model chosen calculating of compressor 、 thermal expansion valve 、 plate evaporator 、 water pump and the like equipment used in the system are also carried out
本文的主要內容如下:對液冷源使用現狀進行了描述,提出了一種新型液冷源系統並對其工作原理進行了闡述;對系統進行了設計,主要對系統中所採用的管帶式冷凝器和水側空/液換熱器進行了設計和校核計算,同時對系統中所用到的壓縮機、熱力膨脹閥、板式蒸發器、水泵等配套設備進行了選型計算;分別對製冷系統和冷卻液循環系統進行了數學建模。If installing the water heater in a closed water system, install a relief valve or expansion tank in the cold water line as specified under " closed system / thermal expansion "
如果是在一個封閉的水系統中安裝熱水器,按照「關閉系統/熱膨脹」中的規定,安裝一個安全閥或膨脹罐。Concentrative parameter model and non - homogeneous model of dynamic distribution parameter are respectively adopted in the compressor and the heat exchangers. a dynamic concentrative parameter model is adopted in the thermostatic expansion valve on the basis of the analysis of the characteristics of enclosure structure, the dynamic mathematics model is established through the simplification of boundary condition
壓縮機採用集中參數模型;換熱器採用動態分佈參數的分相模型;熱力膨脹閥採用集中參數動態模型;通過對冷庫維護結構的特點分析,採用邊界條件簡化處理的方法,建立相應的動態參數數學模型。If the downstream system pressure is higher than the set pressure under no flow conditions, the cause could be thermal expansion, pressure creep or dirt / debris on the seat
如果在無流量情況下,下游系統壓力高於設置壓力,則原因可能是熱膨脹,壓力蠕變或閥座上的污垢/碎片。Stewart - warner high pressure series adopt high - efficiency heat exchanger, famous brand sanyo compressor, accurate electronic expanding valve and 4 - way valve, high - security electric components etc, to remain them under well operations
斯圖華納高靜壓系列採用高效熱交換器、知名品牌三洋壓縮機、精確的電子膨脹閥、四通閥以及高安全性的電器元件等,使該機性能無可挑剔。分享友人