CN220287633U

CN220287633U - Air cooler

Info

Publication number: CN220287633U
Application number: CN202321038197.9U
Authority: CN
Inventors: 蔡明杰
Original assignee: Chengdu Jiedonghui Technology Development Co ltd
Current assignee: Liu Zhen
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2024-01-02
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses an air cooler, which comprises a machine body, a compressor, a condenser, an expansion valve and an evaporator, wherein the machine body is provided with an air inlet and an air outlet, an air flow passage is arranged in the machine body, and the air flow passage is provided with a circulating fan; a water curtain group is arranged in the air flow passage, an upper water tank and a lower water tank are respectively arranged at the top and the bottom of the water curtain group, and a water circulation device is arranged between the upper water tank and the lower water tank; the compressor, the condenser, the expansion valve and the evaporator are connected through pipelines to form a loop, the condenser is arranged in the lower water tank, and a heat exchange device is arranged between the evaporator and the water circulation device. The circulating fan introduces outside air into the air flow channel from the air inlet, then blows cold air out from the air outlet, realizes the rapid cooling to the indoor, and the cold water of cascade group flows into the lower water tank, absorbs the heat that the condenser produced, makes the water of lower water tank can not heat up, and it can not directly discharge the heat of condenser indoor, has effectively improved user's use comfort.

Description

Air cooler

Technical Field

The utility model belongs to the technical field of refrigeration equipment, and particularly relates to an air cooler.

Background

With the rapid development of society and economy, the rapid promotion of town and industrialization, the coming of greenhouse effect, higher and higher temperature in summer and longer time in high temperature weather, people are forced to use refrigeration equipment to regulate indoor temperature so as to spend hot summer. The air cooler is a refrigeration appliance using water as a cooling source, has the advantages of low power consumption, convenient movement, low price and the like, and is popular with consumers. The product of each manufacturer is a main water tank which is stored at the bottom of the machine by adopting normal-temperature water, then the product is pumped to an auxiliary water tank at the top of the machine by a water pump, and the product automatically flows onto the open-type water curtain paper made of plastic materials from the opening of the auxiliary water tank and then falls back into the main water tank at the bottom. A fan is arranged at the front part of the water curtain paper, and when in operation, the fan blows out air cooled by the water curtain. Because normal-temperature water is used as a cooling source, the temperature difference between the water temperature and the air temperature is not large, the cooling effect is not ideal, and particularly, the effect is not felt in seasons with high air temperature. In order to overcome the technical defects, the existing air cooler is provided with a small ice crystal box in a matching way, the small ice crystal box is put into a refrigerator for long-time freezing and then is put into a water tank for refrigerating water, and the use proves that the effect is only about two hours, and then the cooling water is recovered to normal temperature, which is troublesome and undesirable.

Therefore, some air-conditioning air coolers appear on the market, for example, chinese patent CN217209619U discloses a multifunctional air cooler, which comprises a housing, wherein a refrigeration system is arranged in the housing, the refrigeration system comprises a compressor, the compressor is connected with a condenser, the condenser is connected with an evaporator, the evaporator is connected with the compressor, and a blower for discharging heat, a pump body for pumping water and a fan blade for guiding air flow are arranged beside the condenser; the utility model increases the functions of the air cooler by arranging the refrigerating system, and respectively controls different parts in the air cooler to work respectively by arranging the control switch or the display, such as controlling the fan blade rotation mode, thereby realizing the functions of the normal fan, such as controlling the working mode of the refrigerating system, and realizing the functions of the normal air conditioner, such as controlling the working mode of the pump body, thereby realizing the functions of the normal air cooler.

The multifunctional air cooler of the patent discharges a large amount of heat generated by the condenser from the heat dissipation port by using the air blower, the room temperature can be increased when hot air enters the air, and the user experience can be seriously influenced by the direct contact of the hot air and a user.

Disclosure of Invention

The utility model aims to provide an air cooler which is used for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the air cooler comprises a machine body, a compressor, a condenser, an expansion valve and an evaporator, wherein the machine body is provided with an air inlet and an air outlet, an air flow passage is arranged in the machine body, the air flow passage is provided with a circulating fan, and two ends of the air flow passage are respectively communicated with the air inlet and the air outlet; a water curtain group is arranged in the air flow passage, an upper water tank and a lower water tank are respectively arranged at the top and the bottom of the water curtain group, and a water circulation device is arranged between the upper water tank and the lower water tank; the compressor, the condenser, the expansion valve and the evaporator are connected through pipelines to form a loop, the condenser is arranged in the lower water tank, and a heat exchange device is arranged between the evaporator and the water circulation device.

As an optional implementation manner of the above technical solution, the water curtain group includes a left water curtain, a middle water curtain and a right water curtain, where the left water curtain and the right water curtain are respectively disposed at two sides of the air flow channel, and the middle water curtain is disposed at one end of the air flow channel close to the air inlet.

As an optional implementation manner of the above technical solution, each of the left water curtain, the middle water curtain and the right water curtain is formed by overlapping a plurality of water curtains.

As an optional implementation manner of the technical scheme, the upper water tank is provided with a plurality of water holes, and liquid in the upper water tank enters the water curtain group through the water holes.

As an optional implementation manner of the technical scheme, the heat exchange device comprises a heat exchange shell, the heat exchange shell is arranged outside the evaporator, a heat exchange cavity is arranged between the heat exchange shell and the evaporator, and the heat exchange cavity is communicated with the water circulation device.

As an optional implementation manner of the technical scheme, the water circulation device comprises a circulating water pump and a circulating water pipe, the circulating water pump is arranged in the lower water tank, one end of the circulating water pipe is connected with the circulating water pump, and the other end of the circulating water pipe extends into the upper water tank after passing through the heat exchange device.

As an optional implementation manner of the above technical solution, the lower water tank is provided with an inner concave part, and the inner concave part is provided with a storage groove for storing the compressor; the top of the upper water tank is provided with a detachable top cover.

As an optional implementation manner of the above technical solution, the compressor is provided with a heat dissipation channel, and an outlet end of the heat dissipation channel is communicated with the air inlet.

As an optional implementation manner of the above technical solution, the compressor is connected with a four-way valve, and the condenser and the evaporator are both connected with the four-way valve.

As an optional implementation manner of the above technical solution, a heater is disposed in the air flow path;

as an optional implementation manner of the above technical solution, the air outlet is provided with an air guiding blade.

As an optional implementation manner of the technical scheme, the bottom of the machine body is provided with a universal wheel.

As an optional implementation manner of the technical scheme, the lower water tank is provided with a water level observation port and a float switch, and the float switch is connected with an alarm.

The beneficial effects of the utility model are as follows:

the utility model provides an air cooler, a condenser is arranged in a lower water tank, a heat exchange device is arranged between an evaporator and a water circulation device, water in the water circulation device is changed into low-temperature water by the evaporator when passing through the heat exchange device, the low-temperature water enters an upper water tank and then enters a water curtain group, so that the low-temperature water is quickly evaporated into an air flow channel, the circulating fan introduces external air into the air flow channel from an air inlet, cold air is blown out from an air outlet, the indoor quick cooling is realized, the cold water of the water curtain group flows into the lower water tank, the heat generated by the condenser is absorbed, the water of the lower water tank cannot be heated, the heat of the condenser cannot be directly discharged into a room, and the use comfort of a user is effectively improved. The air cooler disclosed by the utility model can not discharge heat outwards, can be moved at will, and is easy to popularize and use.

Drawings

FIG. 1 is a schematic diagram of a cooling fan in one embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of an intercooler fan according to an embodiment of the present utility model;

fig. 3 is a schematic view of a water curtain assembly according to an embodiment of the present utility model.

In the figure: 1-a machine body; a 2-compressor; a 3-condenser; 4-expansion valve; a 5-evaporator; 6, an air inlet; 7-an air outlet; 8-a circulating fan; 9-a water feeding tank; 10-a lower water tank; 11-a heat exchange device; 12-left side water curtain; 13-an intermediate water curtain; 14-right side water curtain; 15-a circulating water pump; 16-a circulating water pipe; 17-top cover; 18-wind guiding blades; 19-universal wheels; 20-a water level observation port; 21-a heater; 22-heat dissipation channels; 23-four-way valve; 24-float switch.

Detailed Description

Examples

As shown in fig. 1-3, this embodiment provides an air cooler, which includes a machine body 1, a compressor 2, a condenser 3, an expansion valve 4 and an evaporator 5, wherein the machine body 1 is provided with an air inlet 6 and an air outlet 7, an air flow passage is arranged in the machine body 1, the air flow passage is provided with a circulating fan 8, and two ends of the air flow passage are respectively communicated with the air inlet 6 and the air outlet 7. The circulating fan 8 can adopt a cross flow fan or a centrifugal fan and the like, a filter screen can be arranged at the air inlet 6 as required to filter larger substances in the air, the air outlet 7 is arranged on the front surface of the machine body 1, and the air inlet 6 is arranged on the back surface and two side surfaces of the machine body 1, so that air can enter. The circulating fan 8 is usually arranged at a position close to the air outlet 7, the circulating fan 8 is provided with a speed regulation knob, and after the circulating fan 8 is started, air enters the machine body 1 through the air inlet 6 and flows along an air flow channel to be finally discharged from the air outlet 7.

The air flow passage is internally provided with a water curtain group, the top and the bottom of the water curtain group are respectively provided with an upper water tank 9 and a lower water tank 10, and a water circulation device is arranged between the upper water tank 9 and the lower water tank 10. The water curtain is composed of a high molecular water curtain paper, and the high molecular water curtain paper is a special product and is processed by special treatment, and the high molecular water curtain paper is a three-dimensional space design of paper, has excellent air permeability and wet water property, provides the maximum surface area for evaporation for heat exchange of water and air, has a larger evaporation ratio, has the cooling efficiency of more than 80 percent, and has the advantages of high water absorption, high water resistance, mildew resistance, long service life and the like. The water circulation device extracts water in the lower water tank 10 into the upper water tank 9, the water in the upper water tank 9 enters the water curtain group, so that the water is quickly evaporated into the air, and the redundant water flows back down to the lower water tank 10 along the water curtain group to realize circulation.

As shown in fig. 2, the compressor 2, the condenser 3, the expansion valve 4 and the evaporator 5 are connected through pipes to form a loop, wherein the expansion valve 4 adopts an electronic expansion valve 4, the compressor 2, the condenser 3, the expansion valve 4 and the evaporator 5 are all in the prior art, the compressor 2 compresses the gaseous refrigerant into the high-temperature high-pressure gas state, the gas is sent to the condenser 3 for cooling, the cooled gas becomes the medium-temperature high-pressure liquid refrigerant, the medium-temperature liquid refrigerant throttles the low-temperature low-pressure gas-liquid mixture (more liquid) through the expansion valve 4, the gas-liquid mixture is gasified after absorbing the heat in the surrounding environment through the evaporator 5, and becomes the gas state, and then returns to the compressor 2 for recompression, and then the circulation is continued for refrigeration.

The condenser 3 is arranged in the lower water tank 10, and a heat exchange device 11 is arranged between the evaporator 5 and the water circulation device. The water in the water circulating device is changed into low-temperature water by the evaporator 5 when passing through the heat exchange device 11, the low-temperature water enters the upper water tank 9 and then enters the water curtain group, so that the low-temperature water is quickly evaporated into the air flow channel, the circulating fan 8 introduces external air into the air flow channel from the air inlet 6, and then cold air is blown out from the air outlet 7, so that the indoor quick cooling is realized, the cold water of the water curtain group flows into the lower water tank 10, the heat generated by the condenser 3 is absorbed, the water of the lower water tank 10 is not heated, the heat of the condenser 3 is not directly discharged into the indoor, and the use comfort of a user is effectively improved. The air cooler disclosed by the utility model can not discharge heat outwards, can be moved at will, and is easy to popularize and use.

The compressor 2 is connected with a four-way valve 23, the condenser 3 and the evaporator 5 are connected with the four-way valve 23, and the connection mode of the compressor 2, the four-way valve 23, the condenser 3, the expansion valve 4 and the evaporator 5 adopts the existing mature technology, so that the air cooler has refrigeration and heating functions. Preferably, a heater 21 is provided in the air flow path. The heater 21 adopts a PTC ceramic heater, and the heater 21 can heat the air in the air flow passage to improve the heating effect of the air cooler.

The heat exchange device 11 comprises a heat exchange shell, the heat exchange shell is arranged outside the evaporator 5, a heat exchange cavity is arranged between the heat exchange shell and the evaporator 5, and the heat exchange cavity is communicated with the water circulation device. The water circulation device delivers the water in the lower water tank 10 into the heat exchange chamber and exchanges heat with the evaporator 5, thereby obtaining low-temperature water.

As shown in fig. 3, in the present embodiment, the water curtain group includes a left water curtain 12, a middle water curtain 13, and a right water curtain 14, the left water curtain 12 and the right water curtain 14 are respectively disposed at two sides of the air flow channel, and the middle water curtain 13 is disposed at one end of the air flow channel near the air inlet 6. The left water curtain 12, the middle water curtain 13 and the right water curtain 14 are arranged in the machine body 1 in a U shape, low-temperature water in the upper water tank 9 can enter the left water curtain 12, the middle water curtain 13 and the right water curtain 14 and then quickly evaporate into an air flow channel, so that the indoor quick cooling is facilitated. Preferably, the left water curtain 12, the middle water curtain 13 and the right water curtain 14 are formed by overlapping a plurality of water curtains, so that the evaporation area of the low-temperature water can be increased. The number of the water curtains can be selected according to practical requirements, such as one piece, two pieces, three pieces and the like, and the utility model is not limited to the above. The upper water tank 9 is provided with a plurality of water holes, and liquid in the upper water tank 9 respectively enters the left water curtain 12, the middle water curtain 13 and the right water curtain 14 through the water holes.

As an alternative implementation manner of this embodiment, the water circulation device includes a circulation water pump 15 and a circulation water pipe 16, the circulation water pump 15 is disposed in the lower water tank 10, one end of the circulation water pipe 16 is connected to the circulation water pump 15, and the other end of the circulation water pipe 16 extends into the upper water tank 9 after passing through the heat exchange device 11. The circulating water pump 15 conveys water in the lower water tank 10 to the heat exchange device 11 through the circulating water pipe 16 to obtain low-temperature water, and then conveys the low-temperature water to the upper water tank 9, so that the low-temperature water enters the left water curtain 12, the middle water curtain 13 and the right water curtain 14, and the redundant low-temperature water flows downwards along the left water curtain 12, the middle water curtain 13 and the right water curtain 14 and returns to the lower water tank 10, thereby realizing the recycling of the water.

The lower tank 10 is provided with an inner recess provided with a storage tank for storing the compressor 2. The whole cold air machine body 1 is small and exquisite in volume and convenient to transport. The compressor 2 is provided with a heat dissipation channel 22, the outlet end of the heat dissipation channel 22 is communicated with the air inlet 6, hot air generated by the compressor 2 can enter the air inlet 6 through the heat dissipation channel 22, and the hot air is cooled in the air flow channel and cannot exhaust heat outwards.

As shown in fig. 1, the lower water tank 10 is provided with a water level observation port 20 and a float switch 24, the float switch 24 is connected with an alarm, the upper water tank 9 is provided with a detachable top cover 17 at the top, when the water level of the lower water tank 10 is low, the alarm such as a buzzer gives an alarm, a user can open the top cover 17, and water is added into the upper water tank 9 to supplement water for the air cooler. In another possible implementation, the float switch 24 in this embodiment may also be connected to the water replenishing pipe, and the float switch controls the water replenishing pipe to automatically replenish water when the water level of the lower tank 10 is lowered to a predetermined position.

In this embodiment, as shown in fig. 1, a cabinet door is provided on the machine body 1, a middle water curtain 13 is provided on the cabinet door and covers one air inlet 6, and an air outlet 7 is provided with an air guiding blade 18 for guiding cold air to blow out in one direction. Four universal wheels 19 are arranged at the bottom of the machine body 1, so that the air cooler can be conveniently moved.

In the description of the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be fixedly connected, detachably connected, or integrally formed; may be a mechanical or electrical connection; may be directly connected or indirectly connected through an intermediate medium, and may be in communication with the inside of two elements or in interaction with the two elements, the specific meaning of the terms being understood by those skilled in the art. Furthermore, the particular features, structures, etc. described in the examples are included in at least one embodiment and those of skill in the art may combine features of different embodiments without contradiction. The scope of the present utility model is not limited to the above-described specific embodiments, and embodiments which can be suggested to those skilled in the art without inventive effort according to the basic technical concept of the present utility model are all within the scope of the present utility model.

Claims

1. The air cooler comprises a machine body (1), a compressor (2), a condenser (3), an expansion valve (4) and an evaporator (5), wherein the machine body (1) is provided with an air inlet (6) and an air outlet (7), an air flow passage is arranged in the machine body (1), the air flow passage is provided with a circulating fan (8), and two ends of the air flow passage are respectively communicated with the air inlet (6) and the air outlet (7); the device is characterized in that a water curtain group is arranged in the air flow channel, an upper water tank (9) and a lower water tank (10) are respectively arranged at the top and the bottom of the water curtain group, and a water circulation device is arranged between the upper water tank (9) and the lower water tank (10); the water circulation device is characterized in that the compressor (2), the condenser (3), the expansion valve (4) and the evaporator (5) are connected through pipelines to form a loop, the condenser (3) is arranged in the lower water tank (10), and a heat exchange device (11) is arranged between the evaporator (5) and the water circulation device.

2. An air cooler according to claim 1, characterized in that the water curtain group comprises a left water curtain (12), a middle water curtain (13) and a right water curtain (14), wherein the left water curtain (12) and the right water curtain (14) are respectively arranged at two sides of the air flow channel, and the middle water curtain (13) is arranged at one end of the air flow channel close to the air inlet (6).

3. An air cooler according to claim 2, characterized in that the left water curtain (12), the middle water curtain (13) and the right water curtain (14) are formed by overlapping a plurality of water curtains.

4. An air cooler according to claim 1, characterized in that the upper water tank (9) is provided with a plurality of water flow holes, through which water flow holes the liquid of the upper water tank (9) enters the water curtain group.

5. An air cooler according to claim 1, characterized in that the heat exchange device (11) comprises a heat exchange housing arranged outside the evaporator (5), a heat exchange cavity being arranged between the heat exchange housing and the evaporator (5), the heat exchange cavity being in communication with the water circulation device.

6. An air cooler according to claim 1, characterized in that the water circulation device comprises a circulating water pump (15) and a circulating water pipe (16), the circulating water pump (15) is arranged in the lower water tank (10), one end of the circulating water pipe (16) is connected with the circulating water pump (15), and the other end of the circulating water pipe (16) extends into the upper water tank (9) after passing through the heat exchange device (11).

7. An air cooler according to claim 1, characterized in that the lower water tank (10) is provided with an inner recess provided with a storage tank for storing the compressor (2); the compressor (2) is provided with a heat dissipation channel (22), and the outlet end of the heat dissipation channel (22) is communicated with the air inlet (6); the top of the upper water tank (9) is provided with a detachable top cover (17).

8. An air cooler according to claim 1, characterized in that the compressor (2) is connected with a four-way valve (23), and the condenser (3) and the evaporator (5) are both connected with the four-way valve (23).

9. An air cooler according to claim 1, characterized in that a heater (21) is provided in the air flow path; the air outlet (7) is provided with air guide vanes (18).

10. An air cooler according to claim 1, characterized in that the bottom of the machine body (1) is provided with universal wheels (19); the lower water tank (10) is provided with a water level observation port (20) and a float switch (24), and the float switch (24) is connected with an alarm.