CN210760157U

CN210760157U - Air conditioning system with condensed water cold quantity recycling function

Info

Publication number: CN210760157U
Application number: CN201921737336.0U
Authority: CN
Inventors: 陆小军
Original assignee: Shanghai Hot Wing Intelligent Technology Co ltd
Current assignee: Hot wing (Wuhan) Intelligent Technology Co.,Ltd.
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-16
Anticipated expiration: 2029-10-16

Abstract

An air conditioning system with a condensed water cold recycling function belongs to the technical field of air conditioners and comprises a compressor, a condenser fan, an expansion valve, an evaporator, a condensed water collecting tray, a connecting water pipe, a precooler drain pipe, an air conditioning box, a partition plate and a refrigerant circulating pipeline, wherein the evaporator, the condensed water collecting tray and the precooler are all arranged in the air conditioning box, the evaporator is arranged at the upper end of the air conditioning box, the condensed water collecting tray is arranged at the lower end of the evaporator, and the precooler is arranged at the lower end of the condensed water collecting tray and close to an air inlet of the air conditioning box. The utility model discloses in, the damp and hot air carries out preliminary heat exchange with microthermal comdenstion water in the precooler, and the damp and hot air obtains the primary cooling, and then the evaporimeter that flows to the low reaches carries out the secondary and cools down to the target temperature. The utility model has reasonable design, the cold energy contained in the low-temperature condensed water is utilized, and the effective refrigerating capacity is increased on the whole; in addition, the high-temperature fresh air is cooled in a secondary mode, and the heat exchange efficiency is improved.

Description

Air conditioning system with condensed water cold quantity recycling function

Technical Field

The utility model relates to an air conditioning system for vehicle in air conditioning technology field, especially an air conditioning system with cold volume recycle function of comdenstion water.

Background

An automobile air conditioning system is a device for refrigerating, heating, ventilating and purifying air in a carriage. The automobile seat cushion can provide a comfortable riding environment for passengers, reduce the fatigue strength of a driver and improve the driving safety. Air conditioners have become one of the indicators for evaluating whether the functions of automobiles are complete. Modern air conditioning systems consist of a refrigeration system, a heating system, a ventilation and air purification device and a control system. A vehicle air conditioner controller belongs to a control device of vehicle air conditioning equipment. All the equipment is installed firmly, the control device and the control mechanism rotate flexibly, the operation is free, and the performance is safe and reliable.

In the case of the cooling mode of the vehicle air conditioner, the cooling capacity of the evaporator contains two parts, low-temperature air and low-temperature condensate water. The proportion of the air conditioner and the air conditioner is about 3: about 2 percent, namely 40 percent of the total cold generated by the cold volume duty modulation of the low-temperature condensed water. However, in the prior art, most of the existing automobile air conditioners in the market directly discharge low-temperature condensed water out of the air conditioner, which causes cold waste to a certain extent.

Disclosure of Invention

The utility model discloses to the not enough of above-mentioned prior art, provide an air conditioning system with comdenstion water cold volume recycle function, can effectively solve the extravagant problem of energy that current vehicle air conditioner comdenstion water direct discharge air conditioning case caused vehicle air conditioning system, improve the actual refrigeration performance who improves the air conditioner simultaneously.

The utility model is realized by the following technical proposal, the utility model comprises a compressor, a condenser fan, an expansion valve, an evaporator, a condensed water collecting tray, a connecting water pipe, a precooler drain pipe, an air-conditioning box, a clapboard, a refrigerant circulating pipeline, an air-conditioning box air inlet, an air-conditioning box air outlet and an air-conditioning control valve, wherein the compressor, the condenser, the expansion valve and the evaporator are connected in series in sequence through the refrigerant circulating pipeline, and the condenser fan is arranged at one side of the condenser; the evaporator, the condensed water collecting tray and the precooler are all arranged in the air-conditioning box, the air inlet of the air-conditioning box is arranged at the bottom of the air-conditioning box, the evaporator is arranged at the upper end of the air-conditioning box, the condensed water collecting tray is arranged at the lower end of the evaporator, the precooler is arranged at the lower end of the condensed water collecting tray and close to the air inlet of the air-conditioning box, the inlet end of the connecting water pipe is communicated with the bottom of the condensed water collecting tray, and the outlet end of the connecting water pipe is communicated with the top of; the inlet end of the water discharge pipe of the precooler is communicated with the bottom of the precooler, and the outlet end of the water discharge pipe of the precooler is arranged outside the air-conditioning box; the upper part of the baffle is connected with the outer side wall of the condensed water collecting tray, the lower part of the baffle is connected with the lower wall surface of the air-conditioning box, and the condensed water collecting tray and the precooler are both arranged in a cavity enclosed by the baffle and the wall surface of the air-conditioning box; the air conditioner control valve is arranged in the air outlet of the air conditioner box.

Further, the utility model discloses in, the comdenstion water catch tray is horn mouth form, and the lower extreme of evaporimeter is arranged in the horn mouth of comdenstion water catch tray.

Furthermore, in the present invention, the precooler is disposed in the air-conditioning box in an inclined manner.

Compared with the prior art, the utility model discloses have following beneficial effect and do: the utility model has reasonable design and simple structure, and the high temperature fresh air is cooled by two stages, thereby improving the heat exchange efficiency; the cold energy contained in the low-temperature condensed water is recycled, and the effective refrigerating capacity is increased on the whole.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

wherein: 1. the system comprises a compressor, 2, a condenser, 3, a condenser fan, 4, an expansion valve, 5, an evaporator, 6, a condensed water collecting tray, 7, a connecting water pipe, 8, a precooler, 9, a precooler drain pipe, 10, an air conditioning box, 11, a partition board, 12, a refrigerant circulating pipeline, 13, an air conditioning box air inlet, 14, an air conditioning box air outlet, 15 and an air conditioning control valve.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments of the present invention are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes, but the scope of the present invention is not limited to the following embodiments.

Examples

Embodiment as shown in fig. 1, the utility model discloses a compressor 1, condenser 2, condenser fan 3, expansion valve 4, evaporimeter 5, comdenstion water catch tray 6, connecting water pipe 7, precooler 8, precooler drain pipe 9, air-conditioning box 10, baffle 11, refrigerant circulation pipeline 12, air-conditioning box air intake 13, air-conditioning box air outlet 14, air-conditioning control valve 15, compressor 1, condenser 2, expansion valve 4, evaporimeter 5 connect together through refrigerant circulation pipeline 12 in proper order, condenser fan 3 arranges in one side of condenser 2; the evaporator 5, the condensed water collecting tray 6 and the precooler 8 are all arranged in the air-conditioning box 10, the air inlet 13 of the air-conditioning box is arranged at the bottom of the air-conditioning box 10, the evaporator 5 is arranged at the upper end of the air-conditioning box 10, the condensed water collecting tray 6 is arranged at the lower end of the evaporator 5, the condensed water collecting tray 6 is in a bell mouth shape, and the lower end of the evaporator 5 is arranged in the bell mouth of the condensed water collecting tray 6; the precooler 8 is arranged at the lower end of the condensed water collecting tray 6 and close to an air inlet 13 of the air-conditioning box, the precooler 8 is arranged in the air-conditioning box 10 in an inclined manner, the inlet end of the connecting water pipe 7 is communicated with the bottom of the condensed water collecting tray 6, and the outlet end of the connecting water pipe 7 is communicated with the top of the precooler 8; the inlet end of the precooler drain pipe 9 is communicated with the bottom of the precooler 8, and the outlet end of the precooler drain pipe 9 is arranged outside the air-conditioning box 10; the upper part of the clapboard 11 is connected with the outer side wall of the bell mouth of the condensed water collecting tray 6, the lower part of the clapboard 11 is connected with the lower wall surface of the air-conditioning box 10, and the condensed water collecting tray 6 and the precooler 8 are both arranged in a cavity enclosed by the clapboard 11 and the wall surface of the air-conditioning box 10; an air conditioning control valve 15 is arranged in the air conditioning box outlet opening 14.

The utility model discloses a three return circuit is refrigerant circulation circuit, comdenstion water return circuit, air treatment return circuit respectively.

The refrigeration cycle loop is composed of a compressor 1, a condenser 2, a condenser fan 3, an expansion valve 4, and an evaporator 5. When the system works, refrigerant vapor is compressed into high-temperature and high-pressure vapor in the compressor 1, and the high-temperature and high-pressure vapor is cooled by outside air in the condenser 2 to release heat to form high-pressure supercooled refrigerant liquid; the high-pressure super-cooled refrigerant is throttled into a low-pressure low-temperature saturated refrigerant through the expansion valve 4, absorbs the heat of air in the evaporator 5, is vaporized and superheated, and then returns to the compressor 1 for cyclic compression, so that the circulation of a refrigerant loop is completed.

The condensed water loop is composed of a condensed water collecting tray 6, a connecting water pipe 7, a precooler 8 and a precooler drain pipe 9. When the system works, the low-temperature condensed water formed on the surface of the evaporator 5 is collected on the condensed water collecting tray 6. Then, the low-temperature condensate flows into the precooler 8 along the connection water pipe 7 between the component condensate water collecting tray 6 and the precooler 8, and the low-temperature condensate exchanges heat with the high-temperature humid air in the precooler 8. The water with the increased temperature then flows out of the air conditioning box 10 through the precooler drain 9.

The air treatment is completed in the air conditioning box 10, and when the system works, high-temperature wet air from the environment is subjected to first cooling through the precooler 8 and then flows through the evaporator 5 to be subjected to second cooling to reach the target temperature.

The utility model discloses a core technology point lies in under the air conditioning system normal operating condition, and when humid air was flowed through by evaporimeter 5, at 5 surface cooling of microthermal evaporimeter, when the temperature was less than below the wet steam dew point temperature, appeared the comdenstion water on the surface of evaporimeter 5, and the comdenstion water flows to comdenstion water catch tray 6 along 5 surface flows of evaporimeter. The low-temperature condensed water in the water collecting tray flows into the precooler 8 through the connecting water pipe 7, the damp and hot air and the low-temperature condensed water are subjected to primary heat exchange in the precooler 8, the damp and hot air is cooled for the first time, and the temperature of the low-temperature condensed water is increased. The condensed water with increased temperature is discharged out of the air conditioning box 10 through the precooler water discharge pipe 9, and the obtained damp and hot air after primary temperature reduction flows to the downstream evaporator 5 to be secondarily cooled to the target temperature. Under the air conditioning system, the cold energy contained in the low-temperature condensed water is utilized, and the effective refrigerating capacity is increased on the whole; in addition, the high-temperature fresh air is subjected to secondary cooling, so that the heat exchange efficiency is improved,

the foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. An air conditioning system with a condensed water cold recycling function comprises a compressor (1), a condenser (2), a condenser fan (3), an expansion valve (4) and an evaporator (5), and is characterized by further comprising a condensed water collecting tray (6), a connecting water pipe (7), a precooler (8), a precooler drain pipe (9), an air conditioning box (10), a partition plate (11), a refrigerant circulating pipeline (12), an air conditioning box air inlet (13), an air conditioning box air outlet (14) and an air conditioning control valve (15), wherein the compressor (1), the condenser (2), the expansion valve (4) and the evaporator (5) are sequentially connected in series through the refrigerant circulating pipeline (12), and the condenser fan (3) is arranged on one side of the condenser (2); the evaporator (5), the condensed water collecting tray (6) and the precooler (8) are all arranged in the air-conditioning box (10), an air inlet (13) of the air-conditioning box is arranged at the bottom of the air-conditioning box (10), the evaporator (5) is arranged at the upper end of the air-conditioning box (10), the condensed water collecting tray (6) is arranged at the lower end of the evaporator (5), the precooler (8) is arranged at the lower end of the condensed water collecting tray (6) and is close to the air inlet (13) of the air-conditioning box, the inlet end of the connecting water pipe (7) is communicated with the bottom of the condensed water collecting tray (6), and the outlet end of the connecting water pipe (7) is communicated with the top of the precooler (8); the inlet end of the precooler drain pipe (9) is communicated with the bottom of the precooler (8), and the outlet end of the precooler drain pipe (9) is arranged outside the air-conditioning box (10); the upper part of the partition plate (11) is connected with the outer side wall of the condensed water collecting tray (6), the lower part of the partition plate (11) is connected with the lower wall surface of the air-conditioning box (10), and the condensed water collecting tray (6) and the precooler (8) are both arranged in a cavity enclosed by the partition plate (11) and the wall surface of the air-conditioning box (10); the air conditioning control valve (15) is arranged in an air outlet (14) of the air conditioning box.

2. The air conditioning system with the function of recycling cold of condensed water according to claim 1, characterized in that the condensed water collection tray (6) is in a bell mouth shape, and the lower end of the evaporator (5) is arranged in the bell mouth of the condensed water collection tray (6).

3. Air conditioning system with condensate cold recovery function according to claim 1, characterized in that the precooler (8) is arranged obliquely in the air conditioning box (10).