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发布时间:2012-10-24 16:58:00  点击量:30491

 
商用中央空调与家用中央空调的区别 The Difference Between Commercial Central Air Conditioning and Household Central Air Conditioning

      商用中央空调设备的结构与家用中央空调大体相同。之所以区分成商用与家用,主要由于功率差距大所形成的不同的制冷形式。家用中央空调以一体式转子式压缩机、螺杆式压缩机等为主,而大型商用中央空调工程主要以离心式压缩机和大型螺杆烟台压缩机为主。此外,商用中央空调系统的控制,管路的自动调控,空气的除湿、加湿、卫生处理等要比家用中央空调复杂得多,且牵扯分户计费等问题。

       The structure of commercial central air conditioning equipment and household central air conditioning is nearly the same. It is the difference in refrigeration forms due to power gap that divided into commercial and household one. As for compressor, it is mainly integral rotor compressor and  screw compressor for household central air conditioner while centrifugal compressor and large screw compressor for large commercial central air conditioning engineering. In addition, commercial central air conditioning is much more  complicated  in control system, automatic control of the pipeline, air dehumidification, humidification, medical treatment etc. than the household central air conditioning, not even mentioning the household accounting issues.

 
中央空调系统介绍 Introduction of Central Air Conditioning System

      中央空调系统 有主机末段系统。按负担室内热湿负荷所用的介质可分为全空气系统、全水系统、空气-水系统、冷剂系统。按空气处理设备的集中程度可分为集中式和半集中式。按被处理空气的来源可分为封闭式、直流式 、混合式(一次回风 二次回风)。主要组成设备有空调主机(冷热源)、风柜、风机盘管等等。

      The central air conditioning system consists of master and terminal system. It can be divided into entire air system, entire water system, air -water system and refrigerant system according to the medium burdening indoor heat and  wet load. According to the concentration of air handling equipment it can be divided into centralized type and semi centralized type. According to the source of treated air it can be divided into closed type, DC type, mixed type (once return air/twice return air). The main components of air conditioning are master(cold/heat source), hood, fan coil etc..

 
风冷热泵机组工作原理 The Operational Principle of Air Source Heat Pump Unit

      该系统主要风冷热泵主机风机盘管末端两大部分组成。风冷热泵机组与风机盘管共同使用,前者提供冷水或热水,后者将冷水或热水,通过热交换,吸出冷风或热风。风冷热泵机组是空调系统中的主机,由于采用风冷冷凝器不需要冷却塔;而蒸发器是水冷的,夏天制冷时提供冷水,冬季制热时提供热水,风机盘管是空调系统的末端装置,装在室内如同把水从低处提升到高处而采用水泵那样,采用热泵可以把热量从低温抽吸到高温。

        Air source heat pump unit mainly consists of two parts: air-cooled heat pump unit and end fan coil, which work together. The former supply cold water/hot water then cold air/hot air will be sucked out from water by the latter through heat exchanger. As the master of an air conditioner system, air-cooled heat pump unit uses air-cooled condenser instead of cooling tower. Besides, the evaporator is a water cooled one. Cold water is supplied in summer when it cooling and hot water is supplied in winter when it heating. The fan coil, as the terminal device in the system, is installed indoor. Heat of the air is sucked from low temperature area to high temperature area with the help of heat pump just the same as the water flow from low place to high place with a water pump.

 
水冷式冷水机组介绍 Introduction of Water-cooled Chiller

      对大中型空调系统而言,水冷式冷水机组是采用得最为普遍得冷源。水冷式空调,顾名思义是通过水蒸发的同时会吸收周围热量这一物理性质来达到降温的效果。水冷式空调除降温功能外,还具备通风换气、除尘、除味等效用。是目前企业车间、公共场所、商业娱乐场合等最常用的通风、降温设备。
      水冷式冷水机组与风冷式冷水机组在制冷方式与设备功能方面是完全相同的,两者可互相兼容。所不同的是,两者冷凝器的冷却方式不同。水冷式机组一般采用壳管式冷凝器,以水为冷却介质;而风冷式机组采用翅片式冷凝器,直接以空气为冷却介质。

Water-cooled chiller is the most common cooling unit for medium and large air conditioning systems. Water-cooled air conditioning, as the name suggests, achieves cooling effect by the physical properties that is the evaporation of water will absorb heat around. In spite of cooling function, water-cooled air conditioning contains other functions such as ventilation, dust-off, odor remove etc. It is at present the most common ventilation & cooling equipment  for enterprise workshop, public place and commercial entertainment place.

 Water cooled chiller and air cooled chillers are exactly the same in the refrigeration form and equipment function, both of which can be compatible with each other. The difference is in the cooling form of their condenser and shell or tube condenser is normally used in water-cooled with water as the cooling medium, and air-cooled unit adopts the finned tube condenser, directly use air as cooling medium.

 

 
什么是精密空调(恒温恒湿空调) Precision Air Conditioning( Isothermal & Isohumidity air conditioner)

      恒温恒湿空调是指对温度、湿度和洁净度都有严格要求的专用空调机,具有高效节能、低噪音和环境保护等功能,可广泛应用于电子、光学设备、化妆品、医疗卫生、生物制药、食品制造、各类计量、检测及实验室等行业。
      精密空调能够充分满足机房环境条件要求的机房专用精密空调机(也称恒温恒湿空调)是在近30年中逐渐发展起来的一个新机种。早期的机房使用舒适性空调机时,常常出现由于环境温湿度参数控制不当而造成机房设备运行不稳定,数据传输受干扰,出现静电等问题。

Isothermal &Isohumidity air conditioner refers to the special air conditioning machine with strict requirement for temperature, humidity and cleanliness. With functions of high efficiency and energy saving, low noise and environmental protection etc., it can be widely used in electronic, optical equipment, cosmetics, medical and health, bio pharmaceutical, food manufacturing, all kinds of measurement, testing and laboratory etc..

Precision air conditioning(also known as Isothermal &Isohumidity air conditioner) can fully meet the special requirements for environmental conditions in machine room. It is a new model developing in the past 30 years.  It is better than the comfort air conditioning room applied early, which involves a lot in equipment stability of operation, interference of the data transmission, electrostatic problem due to failing control to the environmental parameters of temperature and humidity. 

 

 
什么是新风换气机 Fresh Air Ventilator

      新风换气机是根据在密闭的室内一侧送风另一侧引风,则在室内会形成“新风流动场”的原理进行设计研制的。它依靠机械送风、引风,强迫在系统内形成新风流动场。是一种时刻保持室内空气洁净清新的新型环保电器。这种独立的室内空气置换、净化循环系统,能在排除室内的污染空气的同时,输入自然新鲜空气,将输入室内的新风先经过滤、杀菌、加热、增氧等多项处理。

The operational principle of fresh air ventilator is in this way: one side of an airtight room mechanically supplying fresh air while the other side sucking polluted air, which then caused the so called “ Fresh air flow field”. It is a kind of new environmental protection equipment keeping the indoor air clean and fresh. The replacement of independent circulatory system, eliminating indoor air pollution at the same time, supplying natural fresh air after multi- processed such as filtration, sterilization, heat, oxygen etc..

 
水(地)源热泵中央空调介绍 Water/Underground Heat Pump Central Air Conditioning

      水源/地源热泵机组是一种利用地下水、土壤或地表水等地下浅层地能资源的冷热源兼用型的高效节能空调系统。机组利用地下水和土壤温度相对稳定的特点,通 过地下水或深埋土壤的管路系统进行热量交换,实现低位热能向高位能的转移。冬季时将从水(地)源中吸取的低品位热量转移到室内,实现对房间供暖。夏季时则 从室内取出热量,释放到水源,实现对房间的制冷。
      王牌冷气满溢式螺杆水/地源热泵机组可同时实现夏季制冷和冬季制热,且由于水(地)源温度条件相对稳定和适宜,制冷和制热模式运行时机组均处于较为理想的 冷凝和蒸发工况条件,故机组运行效率较高,制冷能效比高达6.4,制热能效比则高达5.1,可有效克服风冷热泵机组运行效率低,供热稳定性差且低环境温度 下制热量衰减严重的缺陷。
      此款机组的主要优势有:
      ●满溢式蒸发器设计,COP可提高15%,实现真正的节能降耗。
      ●螺杆压缩机运行部件少,运行可靠、噪声低、寿命长。
      ●螺杆压缩机没有不平衡惯性力,也不存在液击问题,机组可长期平稳运行。
      ●螺杆压缩机变工况适应性强,在25%—100%容量范围内可稳定运行而不受排气背压影响。
      ●不存在离心机的喘振问题,部分负荷性能更高(IPLV=6.8)
      ●一机多用,可满足客户全年供冷、采暖、生活热水需要而不需另外设置锅炉及冷却塔。

        Water/underground source heat pump unit is a high efficiency energy-saving air conditioning system using shallow ground geothermal resources such as groundwater, soil or surface water. The unit makes full use of the nature that there is a relatively temperature stability between groundwater and soil, and realizes heat exchange process through groundwater or pipe system buried in soil, finally achieves the transfer from low energy to high energy. The realization of heating room in winter comes from the low-grade heat in water/underground source transfer s to room, and cooling room in summer by releasing the indoor heat into water/underground.

       Kingair screw water/underground source heat pump unit can be realized both summer cooling and winter heating. And with high efficiency in operation due to relatively stable and suitable temperature of water/underground, which leads to an ideal condition of condensation and evaporation, the cooling energy efficiency ratio is as high as 6.4 and the heating energy efficiency ratio is as high as 5.1, which can effectively overcome many disadvantages of air-cooled heat pump such as low efficiency, unstability in heating supply and heat attenuation in low temperature.

The Main Advantages of The Unit:

Flooded evaporator design, can increase COP by 15% to achieve energy saving. Screw compressor with less components, with functions of reliable operation, low noise, long service life.

Screw compressor, without unbalanced inertia force, no liquid hammer, the unit can achieve a long-term stable operation.

Screw compressor, in adaptability of variable operating condition, in stable operation under exhaust back pressure in the capacity range 25% - 100%.

Without the surge problem of centrifugal, with high part load performance  (IPLV=6.8)

Multipurpose machine, can satisfy customer’s need in annual cooling, heating, hot water without additional installation of boiler or cooling tower.

 

 
多联机中央空调概念 The Conception of Multi-connection Central Air Conditioning

      多联机中央空调是户用中央空调的一个类型,俗称”一拖多”,指的是一台室外机通过配管连接两台或两台以上室内机,室外侧采用风冷换热形式、室内侧采用直接蒸发换热形式的一次制冷剂空调系统。多联机系统目前在中小型建筑和部分公共建筑中得到日益广泛的应用。

Multi-line Central air-conditioning is a type of household central air conditioning, commonly known as the "one to many", it refers an refrigerant air conditioning system that contains one outdoor machine pipe connecting two or more than two of indoor machine, the outdoor achieves heat exchage by air-cooled and the indoor by direct evaporation.Multi-line system is widely used in small and medium construction and some public buildings. Multi-line Central air-conditioning is a type of household central air conditioning, commonly known as the "one to many". It refers to an refrigerant air conditioning system that contains one outdoor machine pipe connecting two or more than two of indoor machine. The outdoor achieves heat exchange by air-cooled and the indoor by direct evaporation. Multi-connection system is widely used in small and medium construction and some public buildings.

 
模块式机组的优点 Advantages of Modular Units

1)活动组合,安装方便
      每个模块单元均有独立的制冷系统和控制保护系统,各模块单元以步进方式满足空调所需的负荷容量。其中任何模块单元发生故障时并不影响其他单元的正常工作,从而确保机组连续运行,可靠性高,无需备用机组。
      相同或不同模块单元可以独立安装,也可以相互拼装在一起,最多可实现8个模块组网,灵活性高,且可节省机组吊运空间和安装费用。
      机组结构设计合理紧凑,占地面积小。

1) Flexible Connection, Convenient Installation

       Each module unit is provided with independent cooling system and control of protection system, and each module is able to meet the requirement for load capacity step by step. In order to ensure that the unit of continuous operation, high reliability and no standby unit , any of the module of fault will not affect the normal work of other units.

        The same or different type of modules can be installed independently or be assembled together. It can mostly achieve 8 modules of network with high flexibility, for saving space of lifting and installation costs.

       The unit is hard-design with small space-taking.

2)智能控制,高效节能
      由于采用模块化设计,机组可分级启停以减少对电网的瞬间冲击,节省配电容量的投入。
      微电脑控制器能自动感测空调系统负载大小,且根据模糊控制理论调整相应模块的容量输出,实现机组冷量与空调负荷的最佳匹配,以最大限度地降低运行费用。
      机组采用最新高效全密闭涡旋式压缩机,噪声低、振动小且能效比高。
      制冷系统采用压缩机并联设计,部分负荷能效提高15%,更大限度的节约电能。

2)Intelligent Control, High Efficiency and Energy-saving

      The unit can be start-stop classifiedly due to modular design so that to reduce the instantaneous shock to electrical power net and save the input to the distribution capacity.

      The microcomputer controller can automatically sense the air conditioning load to adjust the output capacity of corresponding modular according to the theory of fuzzy control, then achieve the best match of cold quantity and load of the unit, finally to minimize the operating costs.

      The unit adopts the latest total sealed scroll compressor, with low noise, small vibration and high energy efficiency ratio.

      More than one compressors are applied in refrigeration system with parallel design, and part-load efficiency is increased by 15%, which saves electrical energy.

 

 
空调的匹数 The number of horses

      匹数指的是电器消耗功率,1匹=1马力=735W,匹并不指制冷量。平时所说的空调是多少匹,是根据空调消耗功率估算出空调的制冷量。一般习惯用1匹等于 2500W的制冷量(也就是25机型),1.5匹约等于.3500的量(也就是35机型)。其余机型可以根据制冷量来估算匹数,比如50机型为两匹。

      The number of horses refers to the electrical power consumption instead of refrigerating capacity . 1 horse =1 HP =735W. When referring horses of an air conditioning, it means refrigerating capacity estimated from electrical power consumption. Generally, a horse is equal to the refrigerating capacity of 2500W (25 models), and 1.5 horses is approximately equal to the refrigerating of 3500 (35 models). Also the horses of the rest models can be estimated according to the refrigerating capacity, such as 50 model for 2 horses.

 

 

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