149 results about "Fan coil unit" patented technology

The invention discloses a central air conditioner control system and method based on indoor enthalpy value control. The system comprises a sensor module used for monitoring and collecting relevant parameters; the specific enthalpy value obtaining module is used for obtaining an air specific enthalpy value according to the collected parameters; the operation adjusting module controls a panel to adjust the operation mode, the air volume and the temperature according to the relation between the specific enthalpy value and a preset value, and the indoor specific enthalpy value meets the preset requirement; the real-time monitoring and automatic adjusting module is used for adjusting the opening group number of the surface air cooler coil pipe by calculating the enthalpy difference with a set value; the judgment and control module is used for judging whether the specific enthalpy value of the control panel reaches a set range or not; and the parameters are adjusted to enable the specific enthalpy value to reach a set value. The heat and humidity load condition of the indoor environment can be quickly judged and the real-time state is mastered; a specific enthalpy value operation control mode is adopted, fan coil operation and indoor environment parameters are accurately linked, operation is guided according to environment requirement feedback, air conditioner operation scientificity is improved, and accurate regulation and control of an air conditioner system are achieved.

The invention discloses a building cold and heat balance temperature control system and method based on a neural network control algorithm. The system comprises a meteorological monitoring module, a temperature control system, a temperature sensor, a chilled water circulation system and a heat source complementation system. The method comprises the steps that external environment parameters are monitored in real time, the internal temperature condition of a building is fed back to a temperature control system through a temperature sensor, and coordinated control is conducted on the temperature sensor and a fan coil; the temperature control system adjusts the cold and hot water flow or the cold and heat quantity provided by the fan coil to accurately control the indoor temperature; and constructing a temperature balance model, predicting and optimizing the cold and hot demands of the building through a neural network control algorithm, and providing a regulation and control strategy for a chilled water circulation system and a heat source complementation system. According to the invention, the cold and hot demands of the building are accurately predicted and optimized, the problems of response lag and insufficient control precision of a traditional temperature control system are reduced, and the consistency and stability of temperature regulation and control are improved.

The utility model relates to the technical field of clean composite energy centralized energy supply systems, and discloses an energy-saving efficient medium-low temperature cold water coupling cold supply system. The utility model relates to an energy-saving efficient medium and low temperature cold water coupling cold supply system, which comprises refrigeration equipment, namely conventional refrigeration equipment, medium temperature refrigeration equipment, and cold release equipment, namely a fresh air handling unit, a dry type fan coil, a capillary tube and a floor radiator, wherein a cold water outlet of the conventional refrigeration equipment is connected with a cold water inlet of the fresh air handling unit through a conveying system; a cold water outlet of the fresh air handling unit is connected with a cold water inlet of the tail end cold release equipment through a conveying system, a cold water outlet of the dry type fan coil is connected with a cold water inlet of the capillary tube and the floor radiation through a conveying system, and a cold water outlet of the capillary tube and the floor radiation is connected with a cold water outlet of the medium-temperature refrigeration equipment through a conveying system. A cold water outlet of the medium-temperature refrigeration equipment is connected with a cold water inlet of the conventional refrigeration equipment through a conveying system, the conveying system is a middle pipeline system, and a circulating water pump is arranged in the middle pipeline system.

The present application discloses an integrated dry fan coil unit, which relates to the technical field of fan coil units and is invented to solve the problem that the installation process of existing dry fan coil units is complicated and cumbersome due to the presence of condensate system pipes. The dry fan coil unit provided by the present application includes: a housing in which a air duct is formed, and an air return opening and an air supply opening communicating with the air duct are provided on the housing; a fan installed in the air duct; a heat exchange coil installed in the air duct and located between the fan and the air supply opening; a deflector installed in the housing, the fan is located below the deflector, the heat exchange coil is located above the deflector, the fan includes a volute and an impeller installed in the volute, the air outlet of the volute faces upward, and the deflector can guide the condensate generated on the surface of the heat exchange coil into the volute. The dry fan coil unit of the present application is used to adjust indoor air.

The invention discloses a liquid distributing and collecting device, a fan coil, an air conditioner indoor unit and a heating and ventilation system.The liquid distributing and collecting device is applied to the air conditioner indoor unit, the air conditioner indoor unit comprises a heat exchanger, and the heat exchanger comprises a heat exchange pipe; the liquid distributing and collecting device comprises a shell, the shell is provided with a liquid inlet cavity and a liquid outlet cavity which are independent of each other, the liquid inlet cavity is used for distributing liquid to the heat exchange pipes, and the liquid outlet cavity is used for collecting the liquid in the heat exchange pipes. The shell is provided with a plurality of pipe passing holes, the pipe passing holes are communicated with the liquid inlet cavity and the liquid outlet cavity respectively and used for allowing the heat exchange pipes to penetrate through, grooves are formed in the hole walls of the pipe passing holes, and the heat exchange pipes are partially embedded into the grooves. According to the technical scheme, the connection sealing performance of the liquid separation and collection device and the heat exchange pipe of the heat exchanger can be improved.

The utility model belongs to the technical field of central air conditioners, and relates to a peripheral side air outlet central air conditioner which comprises a machine shell and a panel, the panel covers an opening of the machine shell, the machine shell is sequentially provided with an impeller and a surface air cooler from inside to outside, air outlets are formed in the four side walls of the machine shell respectively, steering blades are rotationally arranged at the air outlets, and the steering blades are arranged on the panel. An air inlet is formed in the panel, the impeller sucks air from the air inlet, passes through the surface air cooler and then is exhausted from the air outlet, the steering blades at least cover part of the air outlet, and the surface air cooler is located at the air outlet. And the common problem that the heating effect is poor due to short circuit of an air flue caused by the fact that the air outlet is too close to the air return opening when a clamping type air disc is used for heating is well solved.

The invention relates to the technical field of air purification, and discloses a low-resistance energy-saving photocatalytic purifier which comprises a catalysis cylinder for air circulation, and further comprises a photocatalytic part arranged in the catalysis cylinder for catalyzing and purifying air, and a photocatalytic part arranged in the catalysis cylinder for catalyzing and purifying air, the cleaning and wiping part is movably arranged in the catalysis cylinder and is in contact with the photocatalysis part so as to horizontally wipe and clean the photocatalysis part; according to the invention, through the arrangement of the catalysis cylinder which can be arranged in the air return duct of the fan coil and the arrangement of the photocatalysis part in the catalysis cylinder, air enters from one end of the catalysis cylinder, an adsorption part in the photocatalysis part is utilized to form a reaction area, ultraviolet irradiation excites to generate photon-generated carriers, and the photon-generated carriers are converted into photo-generated carriers, so that the photo-generated carriers can be converted into photo-generated carriers, and the photo-generated carriers can be converted into photo-generated carriers, so that the photo-generated carriers can be converted into photo-generated carriers, and the photo-generated carriers can be converted into photo-generated carriers. The device is suitable for degrading indoor pollution gas in the air return duct of the fan coil, does not need to occupy extra space, and is low in energy consumption, high in reaction and mass transfer capacity on the surface of a photocatalyst, simple in structure and high in reaction efficiency.

The utility model discloses a refrigeration water balance energy-saving device of an air conditioner. The refrigeration water balance energy-saving device comprises a water chilling unit, a water pump and a fan coil, the water cooling unit cools circulating water, the water pump controls the flow speed of the circulating water, and air in the fan coil is cooled through the circulating water. An energy valve is further arranged in the circulating water pipeline, and a first temperature sensor and a second temperature sensor are arranged at the water inlet end and the water outlet end of the fan coil correspondingly. The first temperature sensor and the second temperature sensor are electrically connected with the energy valve; the energy valve controls the opening degree of the valve and the output flow of the water pump according to the temperature difference measured by the first temperature sensor and the second temperature sensor. The utility model aims to provide a novel air-conditioning refrigeration water balance energy-saving device which can flexibly adjust the flow rate of cold water, the power of a pump machine, the power of a water chilling unit and the like, adapt to the requirements of different seasons and different production processes on environment temperature and humidity, and simultaneously reduce the energy consumption of equipment and the production cost.

The invention discloses a fan coil unit adopting a double-working-condition coil and a control method of the fan coil unit, and relates to the technical field of air conditioning, and the fan coil unit comprises the double-working-condition coil, a fan, a water condensing disc and a box body. The double-working-condition coil pipe is composed of a double-partition coil pipe and a valve assembly, the double-partition coil pipe is provided with a first heat exchange area and a second heat exchange area, and air conditioner cold and hot water flowing through the first heat exchange area of the double-partition coil pipe can completely, partially or not flow through the second heat exchange area of the double-partition coil pipe through adjustment of the valve assembly. The first heat exchange area of the double-partition coil pipe operates under the wet working condition, and the second heat exchange area operates under the dry working condition during cooling. After the fan runs, indoor return air enters the box body through a return air inlet formed in the box body, is cooled or heated by the first heat exchange area and the second heat exchange area of the double-partition coil pipe and then is sent out through an air supply outlet formed in the box body. The air supply temperature and humidity are adjusted, air supply dewing is prevented, low-temperature cold water can be adopted for cooling, and the energy consumption of an air conditioner water transmission and distribution system is greatly reduced.

The utility model provides a kind of four disc fan coil unit and air conditioner of electric heating, four disc fan coil unit of electric heating includes: mounting bracket, refrigeration component, heating component and fan.Funnel is formed on mounting bracket;Refrigeration component includes first water inlet, first water outlet and three refrigeration coil modules, three refrigeration coil modules are sequentially arranged along the ventilation direction of funnel;Heating component includes second water inlet, second water outlet, heating coil module and electric auxiliary heating module, heating coil module is in funnel, and electric auxiliary heating module is set in funnel;Fan is set at the air inlet of funnel.Relative to prior art, the four disc fan coil unit of electric heating of the utility model meets the refrigeration demand, and the heating function can meet the heating demand due to the cooperation of heating coil and electric auxiliary heating module, realize accurate temperature control, and user experience is good.

The invention discloses an electric motor coach heat management system and method for secondary loop heat exchange, the electric motor coach heat management system comprises a heat pump system, a cold water system, a hot water system, a battery temperature regulator and a cold and hot core body, the heat pump system is connected with the cold water system through an evaporator, and the heat pump system is connected with the hot water system through an air cooler; the cold water system comprises a cold water pump, a fan coil, an electric control and motor ATS cooling unit and a first secondary refrigerant loop communicated with all components. The hot water system comprises a hot water pump, a floor radiator, an outside-vehicle heat exchanger and a second refrigerating medium loop communicated with all the components. The battery temperature regulator and the cold and hot core body selectively communicate with the first secondary refrigerant loop or the second secondary refrigerant loop through valve switching. Independent cold and heat secondary loops are formed through the heat pump subsystem, the cold water subsystem and the hot water subsystem, efficient cold and heat distribution is achieved, and mutual interference is avoided.

This invention discloses a method, apparatus, device, and storage medium for heating protection of fan coil units. The method includes: periodically acquiring the ambient temperature of a target environment when the fan coil unit is in a stopped state; determining the temperature drop rate of the target environment when the ambient temperature shows a decreasing trend; acquiring a first tube temperature of the fan coil unit and predicting a first temperature drop time based on the first tube temperature and the temperature drop rate; determining whether the first temperature drop time is less than a preset first time threshold; and activating a heating element outside the fan coil unit to heat the fan coil unit when the first temperature drop time is determined to be less than the first time threshold. This fan coil unit heating protection method solves the problem that excessively low ambient temperatures can easily cause water in the fan coil unit to freeze and expand, damaging its pipes. It effectively reduces the probability of such damage occurring when excessively low ambient temperatures cause water in the fan coil unit to freeze and expand, thus saving maintenance costs.

Techniques for attenuating noise in a fan coil unit utilize an air handling apparatus including a heat exchanger, a drain pan or drain system, and a plurality of drain slots. The heat exchanger has a housing with a plurality of walls. Air flows through the housing and across the heat exchanger in a first direction. A drain pan is adjacent to the housing, and is configured to receive condensate drainage from the heat exchanger. The plurality of drain slots extend from at least one of the walls through which condensate drains into the drain pan or drain system. The plurality of drain slots are oriented at an angle relative to the first direction of air flowing through the housing and across the heat exchanger.

The present invention discloses a thermal management system for the interconnection of a dryer and an air conditioner, which includes an air conditioner temperature control unit, a drying cycle unit, and a flow path regulation unit. The air conditioner temperature control unit includes a compressor, a condenser, an expansion valve, and an evaporator. The drying cycle unit includes a plate heat exchanger, a fan coil unit, a circulation pump, a heat storage barrel, and a laundry barrel. The flow path regulation unit includes a switching valve, a first valve, a second valve, a third valve, and a fourth valve. By adjusting the opening and closing states of the valves and the opening states of different flow paths of the switching valve, the present invention controls the air conditioner temperature control unit to be in a refrigeration cycle state, a refrigeration heat storage cycle state, or a refrigeration drying cycle state, and controls the drying cycle unit to be in a heat storage drying cycle state and a heat pump drying cycle state, realizing the combination of hot water laundry, drying, and room cooling, and recovering the waste heat of the air conditioner refrigeration condition through the heat storage barrel, thereby improving the comprehensive performance of the household energy thermal management system while improving the energy utilization rate.

Described herein is a modular de-superheater and water heater system. The system comprises a refrigerant-to-water (RW) heat exchanger comprising a first coil, and a second coil in thermal communication with each other. A first end of the first coil is connected to a first port of a heat pump and a second end of the first coil is connected to an inlet of an indoor fan coil unit. A first end of the second coil is connected to an outlet of a DHW tank and a second end of the second coil is connected to an inlet of the DHW tank. The system further comprises a solenoid valve connected between an outlet of the fan coil unit and a second port of the heat pump, and an electronic expansion valve connected between the second port of the heat pump and the second end of the first coil.

The present invention relates to a temporary air-conditioning and ventilation system for passenger ship construction, comprising: two louvers respectively for air intake and exhaust, a station chilled water unit for providing chilled water, and an air conditioner unit for air exchange; the louver at the air intake is connected to a water separator; the water separator is connected to a first air damper; the first air damper is connected to the air conditioner unit; the air conditioner unit is connected to a second air damper; the second air damper is respectively connected to a variable air volume terminal, a fan coil unit and a ventilation terminal; the variable air volume terminal, the fan coil unit and the ventilation terminal are connected to an exhaust fan; the exhaust fan is connected to the louver at the air outlet; the chilled water unit is connected to the air conditioner unit through a temporary connection pipe. It solves the problem of too high or too low temperature in the cabin during the cruise ship construction stage and improves the construction efficiency.

The present invention relates to the technical field of fan coil units, specifically a low-noise, condensation-free, horizontal concealed fan coil unit, comprising: an outer shell, an air outlet and a storage slot are provided on the surface of the outer shell, a rectangular frame is provided in the air outlet, a second rotating shaft is provided at the end of the rectangular frame, a filter is provided on the surface of the rectangular frame, an extension block is fixed on the surface of the filter, a supporting frame and a telescopic frame are provided in the storage slot, a movable plate is provided on the surface of the telescopic frame, a vertical rod is provided on the surface of the movable plate, a connecting plate is provided at the bottom of the vertical rod, and a transverse plate is fixed on the surface of the connecting plate; the beneficial effect is that due to the pulling of the elastic band, the filter screen and the rectangular frame are in a horizontal state, multiple groups of filter screens cover the rectangular frame and push the transverse plate, and the transverse plate drives the connecting plate to move, so that the top holding block on the top of the connecting plate moves with the transverse plate, and brushes are provided at both ends of the top holding block, and the brush cleans the surface of the filter screen during the movement of the top holding block.

The present application relates to an energy-saving circulation system for an indoor swimming pool air-conditioning unit, belonging to the technical field of indoor swimming pools. It includes a condenser, a throttler, an evaporator, and a compressor connected end to end in sequence. A fan coil unit is connected to the evaporator, and a chilled water system is communicated between the evaporator and the fan coil unit. The condenser is communicated with the swimming pool. The swimming pool is divided into a cold water area and a constant temperature area. The water inlet of the condenser is communicated with the cold water area, and the water outlet of the condenser is communicated with the constant temperature area. One end of the constant temperature area far from the water outlet of the condenser and one end of the cold water area far from the water inlet of the condenser are communicated. A partition component for controlling whether the two areas are communicated is arranged between the constant temperature area and the cold water area. The present application has the effects of saving resources consumed by indoor temperature adjustment and maintaining the constant temperature of the water in the swimming pool while reducing the indoor air temperature.

The utility model relates to an air source heat pump system, which belongs to the technical field of heat exchange, and comprises an air source heat pump host, a circulating pump, an expansion tank and a plurality of first fan coil units, the water inlet end of the circulating pump is connected to an external municipal tap water source, and the water outlet end of the circulating pump is connected to the water inlet end of the air source heat pump; the water outlet end of the air source heat pump is connected to the water inlet end of the first fan coil unit, the water outlet end of the first fan coil unit is connected to the water inlet end of the circulating pump, and the expansion tank is connected to a conveying pipeline between the water inlet end of the circulating pump and an external municipal tap water source. Advanced assemblies such as an evaporator, a liquid storage device, an economizer and a second fan coil are introduced, and the system achieves multi-stage utilization and efficient recovery of energy in the heat exchange process. And by using the economizer, the operation efficiency of the system under partial load is particularly enhanced, and unnecessary energy loss is reduced.

The invention discloses a fan coil, an air conditioner indoor unit and a heating and ventilation system.The fan coil is applied to the air conditioner indoor unit and comprises a heat exchanger and a liquid distributing and collecting device; the heat exchanger comprises a heat exchange tube which is a flexible stainless steel tube; the liquid distributing and collecting device comprises a shell, the shell is provided with a liquid inlet cavity and a liquid outlet cavity which are independent of each other, the liquid inlet cavity is used for distributing liquid to the heat exchange pipes, the liquid outlet cavity is used for collecting the liquid of the heat exchange pipes, the shell is provided with a plurality of pipe passing holes, and the pipe passing holes communicate with the liquid inlet cavity and the liquid outlet cavity correspondingly. The heat exchange tube is arranged in the heat exchange tube in a penetrating manner; a first step part is arranged on the hole wall of the pipe passing hole, the heat exchange pipe is provided with a second step part, and the first step part is matched with the second step part in an abutting mode so as to limit the heat exchange pipe to move in the axial direction of the pipe passing hole. According to the technical scheme, the installation efficiency of the water distributing and collecting device and the heat exchange pipe in the fan coil can be improved.

The utility model relates to the technical field of water curtain air conditioners, in particular to a vertical surface-mounted fan coil for a central air conditioner, which comprises a box body, a movable rod, a connecting rod, a hanging rod and a hanging device, the hanging device comprises a rubber sleeve, an adaptive component, an inserting component and a stabilizing component, and the rubber sleeve is fixedly connected with the hanging rod. The fan coil is characterized in that a rubber sleeve is arranged on the outer surface of a hanging rod, an adaptive assembly is arranged on the left side of the outer surface of the hanging rod, an inserting assembly is arranged in the middle of the outer surface of the hanging rod, and a stabilizing assembly is arranged at the bottom of a box body. According to the multifunctional clothes hanger, clothes hangers of different models can be hung conveniently, clothes airing is more stable, operation is easy and convenient, by arranging the stabilizing assembly at the bottom of the box body, the equipment is more stable during use, and the functions of the equipment are richer.

The utility model discloses a low-noise cabinet type fan coil unit which comprises a cabinet body, a fan coil, a fan coil and a fan coil, the coil pipe group is arranged in the cabinet body; the rotating shaft is arranged in the cabinet body; the fan blades are arranged on the rotating shaft; an output shaft of the motor is connected with the rotating shaft; the air inlet is provided with a filtering mechanism, the filtering mechanism comprises a filtering plate arranged on the inner wall of the air inlet, a connecting shaft arranged above the filtering plate, a cleaning brush arranged on the connecting shaft, a sliding block arranged at the end of the connecting shaft, a pull rod arranged on the sliding block and a connecting assembly, and a sliding groove matched with the sliding block is formed in the inner wall of the air inlet.

The utility model relates to the technical field of air conditioners, in particular to a fan coil and an air conditioning system. The fan coil comprises a shell, a fan and a heat exchanger, the heat exchanger is installed in the shell, the fan is arranged outside the shell and connected with the shell, and an air outlet is formed in the fan and used for conveying airflow to the heat exchanger. The heat exchanger comprises a first pipe row and a second pipe row, the first pipe row and the second pipe row extend in the length direction of the shell, and the second pipe row is connected to the side, close to the air outlet, of the first pipe row. Wherein in the height direction of the shell, one end of the second pipe row is arranged close to one end of the air outlet, the other end of the second pipe row is arranged close to the other end of the air outlet, and the width D of the projection of the second pipe row on the air outlet in the width direction of the shell and the width d of the air outlet meet the condition that D is smaller than or equal to d. According to the fan coil and the air conditioning system, the problem that according to an existing heat exchanger design, it is difficult to achieve maximization of the heat exchange amount of a high-wind-speed area is solved.

The present invention provides a fan coil unit, an air supply component and an air conditioner having the same, which relates to the technical field of air conditioners. The main purpose is to solve the problem that the air flow blown out by a traditional air conditioner causes poor temperature uniformity at different positions in a room. The fan coil unit includes at least two shunts arranged in parallel between a water inlet pipe and a water outlet pipe, and each of the shunts includes at least one flow path. The present invention also provides an air supply component, which includes the fan coil unit described in any one of the above. The air supply component further includes an air outlet with a partition, and the partition can divide the air outlet into at least two independent air supply outlets. The number of the shunts is the same as that of the air supply outlets and they are arranged in one-to-one correspondence. The present invention is used to provide a fan coil unit, an air supply component and an air conditioner device having the same, which can make the indoor temperature more uniform.

The application discloses a control method and device of an air conditioner and a control system of the air conditioner, and belongs to the technical field of air conditioner control. The fan-coil unit of the air conditioner comprises multiple wind discs, the multiple wind discs comprise a first wind disc which is turned on and a second wind disc which is not turned on, and the control method of the air conditioner comprises the following steps: determining a target number based on a first number of the first wind disc; determining a third wind disc with the target number from the second wind disc; and controlling a two-way valve of the third wind disc to be turned on to a first target opening degree, wherein the third wind disc is used for balancing the pressure difference caused by the first wind disc. According to the method, the number of the third wind disc which needs to be bypassed in the second wind disc is determined according to the number of the first wind disc in the fan-coil unit, the two-way valve of the third wind disc is controlled to be turned on to the first target opening degree, the hydraulic balance of the water system of the air conditioner can be realized without installing a pressure difference bypass valve, the installation cost of the air conditioner can be saved, and the air conditioner leakage problem caused by the installation of the pressure difference bypass valve can be avoided.

The present invention relates to the field of phase change cold storage cabinets, and discloses a phase change cold storage cabinet for the end of a central air conditioner, which includes a fan coil unit. The fan coil unit has a liquid inlet pipe and a liquid discharge pipe; a box body is provided on the fan coil unit. On one side inside the box body, a liquid inlet box is installed, and on the other side, a liquid discharge box is installed. The liquid inlet box is communicated with the liquid inlet pipe through a communication pipe, and the liquid discharge box is communicated with the liquid discharge pipe through an auxiliary communication pipe and a circulation pump; a phase change material is provided inside the box body. The liquid inlet box and the liquid discharge box are communicated through a plurality of exchange pipes to realize the flow of liquid and heat exchange. A plurality of groups of flow disturbance and cleaning mechanisms are provided inside the exchange pipes. Through the flow disturbance and cleaning mechanism and the magnetic component, when water is flowing, the moving part moves along the pipe length direction by the magnetic action, scrapes the inner wall and changes the water flow direction, improving the heat exchange efficiency and the water temperature uniformity. At the same time, the magnetic field enhances the activity of calcium and magnesium ions in the water, reduces the attachment of water scale, and when the water stops flowing, the moving part moves back to clean the inner wall again, ensuring the heat exchange effect.

This invention relates to a design method for a medium-temperature chilled water centralized air conditioning system, belonging to the field of energy-saving air conditioning system design technology, and filling the gap in existing technologies for design methods of medium-temperature chilled water centralized air conditioning systems. The design method includes the following steps: S1, initial data extraction and initial judgment: determining whether adjustments to the selection and design of conventional fresh air handling units and fan coil units are needed; S2, calculating the indoor heat-to-moisture ratio and determining the air supply state point; S3, calculating the dehumidification capacity of the fresh air handling unit and fan coil units; S4, setting equipment selection parameters; S5, evaluating the dehumidification capacity of the fresh air handling unit; S6, evaluating the dehumidification capacity of the fan coil units; S7, determining the system supply water temperature. This invention can design medium-temperature chilled water centralized air conditioning systems with different operating conditions and determined supply water temperatures for different climate zones. Compared with normal temperature systems (7 / 12℃), the medium-temperature system has a higher evaporation temperature of the chiller unit, which can improve the system COP and achieve energy saving in air conditioning.

Traditionally, the main reciprocating transport pipes through which chilled and hot water circulates have been sealed piping systems using steel pipes (such as white pipes or internally lined steel pipes). However, due to the relative installation locations of the main transport pipes and air conditioning equipment, bending points are required when connecting the pipes. This posed a problem when using steel pipes, as it necessitated the use of elbows and flexible joints. [Solution] A high-pressure resistant resin pipe with an outer cross-linked polyethylene layer thickness of 1.5 mm and an inner cross-linked polyethylene layer thickness of 3.55 mm is used as the attached pipe, joined to a high-pressure resistant fitting, and used to connect the reciprocating transport main pipe and the air conditioning equipment (fan coil unit).

The utility model discloses a condensate water pan which comprises a split water pan, a split water drainage pipe located on one side of the split water pan and pipe clamp assemblies located on the two sides of the split water pan. The connecting part comprises a three-way pipe, a connecting pipe is installed on one side of the three-way pipe, the connecting pipe is connected with a split drainage pipe, and a drainage pipe is installed at the bottom of the three-way pipe; and the main water receiving part comprises a main water receiving disc, a main water drainage pipe is arranged on one side of the main water receiving disc, one end of the main water drainage pipe is connected with a three-way pipe, and four sets of hanging frame assemblies are installed on the inner side of the main water receiving disc. Condensate water in an inlet pipe and an outlet pipe of the fan coil can be effectively collected by adopting the split water receiving disc, the condensate water is prevented from dripping into the device to corrode parts such as valves and the like, the condensate water is also prevented from gathering to breed bacteria to generate peculiar smell, and the heightening wall is arranged to increase the overall height of the device and increase the overall capacity of the device.