CN218154566U

CN218154566U - Ceiling reheating type air conditioning unit

Info

Publication number: CN218154566U
Application number: CN202222531721.8U
Authority: CN
Inventors: 周依序
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2022-12-27
Anticipated expiration: 2032-09-24

Abstract

The utility model discloses furred ceiling reheat type air conditioning unit includes air handler, the re-heater, the forced draught blower, mix bellows, the mixed bellows of reheating, the air outlet duct of reheating, the air supply case, the fresh air inlet, the return air inlet, the supply-air outlet, a housing, mix the bellows, air handler, the re-heater, the forced draught blower, the supply-air box is connected according to rank order, the dress is in the casing, mix the bellows and have the return air inlet, the mixed bellows of reheating has the fresh air inlet, the return air inlet, air handler is air conditioning water system's end or the end of the formula of directly expanding refrigerating system, air conditioner cold heat medium wherein is water or refrigerant, the structure is metal coil pipe air-water or air-refrigerant heat exchanger, the re-heater adopts metal sheet wing or tubular air-air heat exchanger, the forced draught blower adopts variable speed fan, the fresh air inlet, the return air inlet is manual or electrical control wind gap, the supply-air box has one or more supply-air outlet, it has realized energy-conserving operation, the air supply temperature has been improved simultaneously, relative humidity has been reduced, design air supply parameter, human comfort level has been reached, human body comfort level has been improved.

Description

Ceiling reheating type air conditioning unit

Technical Field

The utility model belongs to the ventilation air conditioning field, concretely relates to furred ceiling reheat type air conditioning unit.

Background

The tail end of the existing fan coil fresh air-conditioning water system and the existing direct expansion type fan coil air-conditioning system adopt the fan coil to treat indoor air, and the treated air is cooled and dehumidified, is in a dew point state, has low temperature and high relative humidity, enables people to feel wet and cold and is poor in user comfort.

Disclosure of Invention

An object of the utility model is to provide a can reheat the air after the cooling dehumidification, improve air supply temperature, reduce relative humidity, the comfortable furred ceiling type air conditioning unit that reheats of human sensation.

The utility model discloses a solution is: the air conditioner is characterized in that the air conditioner is assembled in a ceiling, the air mixing box, the air processor, the reheater, the blower and the air box are connected in sequence and arranged in a shell, the air mixing box is provided with a return air inlet communicated with the air processor and the reheater air outlet, the air processor air inlet is communicated with the air mixing box, the air outlet is communicated with an air inlet of the reheater, an air inlet of the reheater is communicated with an air outlet of the air processor, an air outlet is communicated with an air inlet of the blower, an air outlet is communicated with an air outlet of the reheater, an air outlet is communicated with an air inlet of the reheater, an air outlet of the blower is communicated with an air inlet of the blower, an air outlet of the air mixing box is communicated with an air inlet of the air box, an air inlet of the air outlet of the blower is communicated with an air outlet of the blower, the air outlet of the reheater air mixing box is provided with a fresh air inlet and a return air inlet, and an air outlet of the reheater air mixing box is provided with a fresh air inlet and a return air inlet of the reheater, a reheater air outlet of the reheater is communicated with an air outlet of the air mixing box, the air conditioner is communicated with an end of the air conditioner or an end of a reheater water cooling system, wherein a heat exchanger is provided with a metal heat exchanger, a heat exchanger is arranged below the air conditioner, and a metal heat exchanger, and a heat exchanger is arranged below the air conditioner.

When the air conditioning unit operates in a refrigerating mode in summer, a fresh air inlet and a return air inlet are opened, the air blower is started, a refrigerant of the air processor is connected, air starts to flow under the suction of the air blower, the air processor cools and dehumidifies the air to reach dew point temperature, then the air is sent into the reheater, outdoor fresh air and part of indoor return air enter the reheating air mixing box, the air enters the reheater after being mixed, the air cooled and dehumidified by the air processor is reheated to reach the designed air supply temperature, the air enters the air supply box and is sent into a room through the air supply outlet, the reheated air enters the air mixing box through the reheating air outlet channel after being cooled in the reheater to be mixed with the other part of indoor return air and then enters the air processor, and the primary air circulation process is completed. The system can be operated stably and balancedly by adjusting the opening of the fresh air inlet and the return air inlet, the rotating speed of the air feeder, the flow of the refrigerant in the air processor and other parameters and depending on an automatic control system.

When the air conditioning unit is used for heating in winter, a fresh air inlet and a return air inlet are opened, a blower is started, a heating medium of an air processor is connected, air begins to flow under the suction of the blower, the air processor heats the air and then sends the air into a reheater, outdoor fresh air and part of indoor return air enter a reheating air mixing box and enter the reheater after being mixed, the hot air heated by the air processor is cooled to reach the designed air supply temperature and then enters the air supply box and then is sent into a room through an air supply outlet, the fresh air and the return air entering the reheater enter the reheating air mixing box through a reheating air outlet channel and are mixed with the other part of indoor return air, and then enter the air processor, and the primary air circulation process is completed.

Because the reheated heat comes from outdoor hot air and indoor return air, the heat load is not increased, energy conservation is realized, the air supply temperature is increased, the relative humidity is reduced, the designed air supply parameters are achieved, and the comfort level of a human body is improved.

Drawings

FIG. 1 is a structural view of a ceiling reheating type air conditioning unit

Description of reference numerals:

1. 4, a return air inlet, 2, a mixing box, 3, an air processor, 5, a fresh air inlet, 6, a reheating mixing box, 7, 15, a filter, 8, a reheater, 9, a humidifier, 10, a blower, 11, a blowing box, 12, a blowing outlet, 13, a shell, 14 and a reheating air outlet channel.

Detailed Description

In fig. 1, the ceiling reheating type air conditioning unit includes an air handler 3, a reheater 8, a blower 10, an air mixing box 2, a reheating air mixing box 6, a reheating air outlet duct 14, an air supply box 11, a fresh air inlet 5, return air inlets 1, 4, an air supply outlet 12, and a housing 13, and is characterized in that the ceiling reheating type air conditioning unit is assembled in a ceiling, the air mixing box 2, the air handler 3, the reheater 8, the blower 10, and the air supply box 11 are connected in order and installed in the housing 13, the air mixing box 2 has the return air inlet 1 communicating with the air handler 3 and the reheating air outlet duct 14, an air inlet of the air handler 3 communicates with the air mixing box 2, an air outlet communicates with an air inlet of the reheater 8, an air inlet of the reheater 8 communicates with an air outlet of the air handler 3, an air outlet communicates with an air inlet of the blower 10, an air inlet of the blower 10 communicates with an air outlet of the reheater 8, and an air outlet communicates with an air inlet of the air supply box 11, an air inlet of an air supply box 11 is communicated with an air outlet of a blower 10, the air outlet is an air supply outlet 12, a reheating air mixing box 6 is provided with a fresh air inlet 5 and a return air inlet 4 which are communicated with a reheating air inlet of a reheater 8, a reheating air outlet of the reheater 8 is communicated with one end of a reheating air outlet channel 14, the other end of the reheating air outlet channel 14 is communicated with an air mixing box 2, an air processor 3 is the tail end of an air conditioning water system or the tail end of a direct expansion type refrigerating system, wherein an air conditioning heating medium is water or refrigerant and is constructed into a metal coil air-water or air-refrigerant heat exchanger, the reheater 8 is provided with a metal plate fin or tubular air-air heat exchanger, the blower 10 is provided with a variable speed fan, the fresh air inlet 5 and the return air inlet 1 and the return air inlet 4 are manually or electrically adjusted so as to be convenient for adjusting the air quantity, the air supply box 11 is provided with one or more than one air supply outlet 12, the treated air is delivered to the room through a plurality of delivery manifolds. A condensate tray is provided below the air handler 3. The shell 13 is made of materials such as steel plates, is insulated by heat insulation materials such as polyurethane and is hung below a top plate between the beams, and redundant space is fully utilized. The air conditioning unit is a miniaturized air conditioning unit, can replace a central air conditioning machine room on each floor, simplifies an air conditioning system and saves investment.

When the air conditioner set operates in a refrigerating mode in summer, a fresh air inlet 5 and return air inlets 1 and 4 are opened, a blower 10 is started, a refrigerant of an air processor 3 is connected, air starts to flow under the suction of the blower 10, the air processor 3 cools and dehumidifies the air to reach dew point temperature, then the air is sent into a reheater 8, outdoor fresh air and part of indoor return air enter a reheating air mixing box 6, the mixed air enters the reheater 8 through the filtering of a filter 7, the air cooled and dehumidified by the air processor 3 is reheated to reach designed air supply temperature, then the air enters an air supply box 11 and is sent into a room through an air supply outlet 12, the reheated air enters an air mixing box 2 through a reheating air outlet channel 14 after being cooled in the reheater 8, is mixed with the other part of indoor return air and then enters the air processor 3, and a primary air circulation process is completed. The fresh air inlet 5 and the return air inlet 4 on the reheating air mixing box 6 can be opened simultaneously or respectively, and are controlled by an automatic control system according to fresh air, return air temperature and reheating quantity. By adjusting the opening of the fresh air inlet 5, the return air inlets 1 and 4, the rotating speed of the blower 10, the flow of the refrigerant in the air processor 3 and other parameters, the system can be operated stably and in a balanced manner by means of an automatic control system.

When the air conditioning unit is in heating operation in winter, a fresh air inlet 5 and return air inlets 1 and 4 are opened, a blower 10 is started, a heating medium of an air processor 3 is communicated, air starts to flow under the suction of the blower 10, the air is heated by the air processor 3 and then sent into a reheater 8, outdoor fresh air and part of indoor return air enter a reheating air mixing box 6 and enter the reheater 8 after being mixed, the hot air heated by the air processor 3 is cooled to reach a designed air supply temperature, when humidification is needed in winter, a humidifier 9 humidifies the air, the air is finally sent into a blower box 11 by the blower 10 and is sent into a room through an air supply outlet 12, the fresh air and the return air entering the reheater 8 are heated in the reheater 8 and then enter the air mixing box 2 through a reheating air outlet channel 14 and are mixed with the other part of indoor return air, and then enter the air processor 3, and a primary air circulation process is completed.

The reheater 8 can be made movable, when not used in winter, the reheater is drawn out of the shell 13 to reduce ventilation resistance, and the air mixing box 2 is connected with a fresh air inlet for fresh air intake in winter. The cold and hot water of the air processor 3 comes from an air conditioner room, and if refrigerant cooling and heating media are adopted, the cold and hot water can come from a refrigerating unit of a multi-split air conditioner or come from an outdoor unit of a split air conditioner. The new trend can come from central air conditioning and send the new trend in a concentrated way, perhaps from every room window opening air inlet, can shorten the new trend pipeline. The operation of the artificial intelligent automatic control system and the accurate control system is adopted, and the reheated heat comes from outdoor hot air and indoor return air, so that the heat load is not increased, the high efficiency and energy conservation are realized, the air supply temperature is improved, the relative humidity is reduced, the designed air supply parameters are reached, and the human body comfort level is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all belong to the protection scope of the present invention.

Claims

1. A ceiling reheating type air conditioning unit comprises an air processor, a reheater, a blower, a mixing box, a reheating air outlet channel, an air supply box, a fresh air inlet, a return air inlet, an air supply outlet and a shell.