CN209068631U - A kind of dehumidifier - Google Patents

Abstract

The utility model proposes a dehumidifier, comprising: a casing, including an exhaust air inlet, a fresh air inlet, an exhaust air outlet and an air supply outlet; a refrigeration cycle device, including an evaporator, a condenser, a compressor and an expansion valve; The plate is arranged between the evaporator and the condenser compressor; wherein, from the fresh air inlet through the baffle, the evaporator, and the variable heat exchanger to the air supply port, a fresh air duct is formed; The exhaust air inlet passes through the partition plate, the condenser and the compressor to the exhaust air outlet to form an exhaust air duct, and the fresh air duct and the exhaust air duct exchange heat at the partition plate. The fresh air duct and the exhaust air duct of the utility model are independent of each other, and a partition plate is arranged at the intersection of the two air ducts for heat exchange, so that the air in the fresh air duct and the air in the return air duct enter into the room after heat exchange. It can effectively save energy and improve the dehumidification capacity of the dehumidifier.

Description

a dehumidifier

technical field

The utility model relates to the field of refrigeration equipment, in particular to a dehumidifier for removing moisture in the air.

Background technique

In daily life, the application of dehumidifiers is very extensive. By using dehumidifiers, the moisture in the air is removed.

The existing dehumidifier is a compressor type dehumidifier, which uses a refrigeration cycle device with a compressor to condense and collect water vapor in the air to adjust the humidity of the air.

The existing dehumidifier only has a single air inlet and a single evaporator for condensing moisture in the air, and its dehumidification efficiency depends on the energy efficiency of the compressor.

At present, ordinary vertical dehumidifiers have internal circulation and no fresh air. The water storage box needs to be cleaned manually on a regular basis, and it is difficult to install drainage pipes.

The dehumidifier does not have a full heat exchange function section, and does not have the ability of full heat exchange.

Other existing dehumidification equipment often does not have an exhaust structure, and the heat generated by the operation of the equipment will be directly sent into the room through the air, which increases the burden on the refrigeration equipment and increases energy consumption.

Utility model content

Based on the above problems, the purpose of the present invention is to solve at least one of the technical defects. A dehumidifier that integrates high-efficiency dehumidification, air filtration and full heat exchange is proposed, which effectively improves the dehumidification effect and saves electric energy. To achieve the above object, the utility model adopts the following technical solutions:

A dehumidifier comprising:

Shell, including exhaust air inlet, fresh air inlet, exhaust air outlet and air supply outlet;

Refrigeration cycle devices, including evaporators, condensers, compressors and expansion valves;

a partition plate, arranged between the evaporator and the condenser compressor;

Wherein, the fresh air duct is formed from the fresh air inlet through the baffle, the evaporator, and the variable heat exchanger to the air supply port; from the exhaust air inlet through the baffle, the condenser, the compression The machine reaches the exhaust air outlet to form an exhaust air duct, and the air in the fresh air duct and the exhaust air duct exchanges heat at the partition plate.

Preferably, the fresh air duct is also provided with a variable heat exchanger, which is arranged in parallel with the evaporator and close to the air supply port side.

Preferably, the projection of the evaporator on the vertical plane coincides with the projection of the air supply port on the vertical plane.

Preferably, the upstream side of the evaporator is further provided with a filter screen for filtering the air in the fresh air duct.

Preferably, the filter screen comprises one or a combination of activated carbon filter membrane, PM10 filter membrane, PM2.5 filter membrane, and electrostatic precipitator module.

Preferably, the separator is provided with a full heat exchange exhaust air inlet on one side of the evaporator, and a full heat exchange fresh air inlet is provided on the other side of the separator, so that the fresh air duct and the exhaust air The air ducts intersect at the partitions for heat exchange.

Preferably, the separator comprises a separator made of thermally conductive resin, and the fresh air duct and the exhaust air duct intersect at the separator to perform heat exchange.

Preferably, the device also includes a fresh air fan and an exhaust fan, the fresh air fan is arranged in the fresh air duct and close to the air supply port, and the exhaust fan is arranged in the exhaust air duct and close to the exhaust air outlet.

Preferably, the control assembly further includes a control assembly disposed in the exhaust air duct, and the condenser of the control assembly is close to the compressor side.

Preferably, the control component is electrically connected to the fresh air fan, and the exhaust fan adjusts the rotational speed of the fresh air fan and the exhaust air fan based on the command to adjust the fresh air volume and the exhaust air volume.

Compared with the solutions in the prior art, the advantages of the present utility model:

The dehumidifier proposed by the embodiment of the present utility model has a fresh air duct and an exhaust air duct, the two air ducts are independent of each other, the fresh air duct is driven by the fresh air fan, and the exhaust air duct is driven by the exhaust fan. A partition is provided to exchange heat between the air in the two air ducts, so that the air in the fresh air duct can enter the room after initial cooling or heating, which can effectively save energy and improve the dehumidification capacity of the dehumidifier. In addition, the dehumidifier is small in size and can also be installed in a small space at the top.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

Fig. 1 is the external structure schematic diagram of the dehumidifier of the utility model;

2 is a schematic structural diagram of an embodiment of the dehumidifier of the present invention;

Fig. 3 is the schematic diagram of the total heat exchange air inlet and outlet of the utility model;

Figure 4a, 4b are respectively the structural representation of the fresh air duct and the exhaust air duct of the utility model;

5a and 5b are schematic diagrams of the connection between the drain pipe and the water receiving tray according to the embodiment of the present invention.

Detailed ways

The above scheme will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted such as the conditions of specific manufacturers, and the unremarked implementation conditions are usually the conditions in routine experiments.

The present application discloses a dehumidifier. Please refer to FIG. 1 , which is a schematic diagram of the external structure of the dehumidifier of the present invention. The dehumidifier includes a casing 10 . The casing 10 is provided with an exhaust air inlet 11 and a fresh air inlet 12 . , the exhaust air outlet 13 and the air supply port 14, the outdoor air enters the housing 10 from the fresh air inlet 12, and is sent into the room from the air supply port 14 after being processed in the fresh air duct in the housing 10. The indoor air enters the casing 10 from the exhaust air inlet 11 , is processed in the exhaust air duct in the casing 10 , and then is discharged from the casing 10 through the exhaust air outlet 13 . The air in the fresh air duct and the exhaust air duct is convected in the housing 10 for heat exchange, which can effectively save energy and improve the dehumidification capability of the dehumidifier.

Please refer to FIG. 2 which is a schematic structural diagram of an embodiment of the dehumidifier of the present invention. The dehumidifier of the present invention also includes a partition 20 and a refrigeration cycle device. The refrigeration cycle device includes an evaporator 31, a condenser 32, a variable heat The exchanger 32a, the compressor 33, the expansion valve 51, and the expansion valve 52 are connected by pipelines, and there is refrigerant in the pipelines; There are fresh air ducts and exhaust air ducts, wherein, from the fresh air inlet 12 via the partition 20, the evaporator 31 to the air supply port 14 to form a fresh air duct; from the exhaust air inlet 11 via The partition plate 20, the condenser 32, the compressor 33 and the exhaust air outlet 13 form an exhaust air duct, and the fresh air duct and the exhaust air duct have air convection, and heat is carried out at the partition plate 20. When the dehumidifier is in the dehumidification mode, the air after the heat exchange of the fresh air at the partition 20 passes through the evaporator 31, and the moisture in the air is condensed on the surface of the evaporator 31 at a low temperature for dehumidification, which can effectively improve the dehumidification capacity. The heat exchange at the separator 20 can effectively save electric energy. Generally, the expansion valve between the condenser and the variable heat exchanger is fully opened, and the other expansion valve is throttled. When the demand for dehumidification increases and the capacity of the evaporator is insufficient, the expansion valve between the condenser and the variable heat exchanger is throttled, and the other expansion valve is fully opened, so that the variable heat exchanger next to the evaporator is converted into evaporation device. A drain pipe 37 is arranged at the exhaust air inlet 11, which is connected to the water receiving tray (see Figures 5a, 5b) in the air duct, and the water delivery pipe is connected to the water receiving tray, which is located in the evaporator and the variable heat exchange directly below the device. In one embodiment, thermal insulation materials are attached around and at the bottom of the water-receiving pan to prevent condensation water from being generated on the outer wall of the water-receiving pan; the water-receiving pan 200 has a body 201 supported by a heat-insulating bracket 203, so that the sheet metal at the bottom of the device will not be The heat is transferred to the water receiving pan 200, which causes its own temperature to be too low to generate condensed water; Relationships are blown out of the drip tray. In this way, the condensed water received by the water receiving pan is discharged through the drain pipe, so that there is no need for regular manual drainage.

In the present invention, a fresh air fan 34 and an exhaust fan 35 are also included, the fresh air fan 34 corresponds to the air supply port 14 , and the exhaust fan 35 corresponds to the exhaust air outlet 13 .

In an embodiment of the present invention, the air a is sucked into the housing 10 from the fresh air inlet 12 through the operation of the fresh air fan 34 corresponding to the air supply port 14 , and the evaporator 31 is sucked from the air supply port 14 through the partition plate 20 . At the same time, the air b is sucked into the housing 10 from the exhaust air inlet 11 through the operation of the exhaust fan 35 corresponding to the exhaust air outlet 13, and passes through the partition plate. 20. The condenser 32 and the compressor 33 are discharged from the exhaust air outlet 13 to the outside of the casing 10 to form an exhaust air duct.

In the above embodiment, the air a sucked into the housing 10 from the fresh air inlet 12 flows into the full heat exchange fresh air inlet 22 of the partition plate 20 , please refer to FIG. 3 , and flows into the full heat exchange exhaust air inlet 21 The air a and the air b in the exhaust air duct cross at the partition plate 20 for heat exchange, so that the air a is subjected to the first temperature adjustment. The moisture in the air a is condensed, dehumidified, and then discharged to the outside of the casing 10 through the ventilation port 14 . In this embodiment, the air flow direction in the fresh air duct and the air flow direction of the exhaust air duct intersect, but they are not mixed, and heat exchange is performed by the partition plate 20 .

In an embodiment of the present invention, it also includes a variable heat exchanger 32a, which is arranged in the fresh air duct, is arranged in parallel with the evaporator 31 and is close to the air supply port 14, and the variable heat exchanger can be the condenser 32. In the latter stage, the above-mentioned dry cold air a dehumidified after being condensed by the evaporator 31 is heated by the variable heat exchanger 32a (or the latter stage of the condenser 32), and the dry air is discharged from the air supply port 14 to the room for use. .

In the above embodiment, the air b entering the housing 10 from the exhaust air inlet 11 crosses the air a at the partition plate 20 for heat exchange. Referring to FIG. 3 , it flows into the condenser 32 , exchanges heat with the high-temperature condenser 32 to be heated, and is discharged to the outside of the casing 10 from the exhaust air outlet 13 after the temperature rises. The dehumidifier of the present invention adopts two independent air ducts, so that fresh air continuously enters the room from the housing 10, which ensures the freshness of the air, and the air in the two air ducts conducts heat exchange through the partition plate 20, which saves electric energy for subsequent dehumidification. The dehumidification ability is enhanced, and the heat generated during the operation of the equipment will be discharged from the exhaust air duct along with the air, which reduces the burden on the refrigeration equipment and saves electricity.

In the above embodiment, the partition plate 20 includes but is not limited to a partition plate, and the fresh air duct and the exhaust air duct intersect at the partition plate to perform heat exchange. The separator is provided with a full heat exchange exhaust air inlet 21 on one side of the evaporator 32, and a full heat exchange fresh air inlet 22 is provided on the other side of the separator, so that the fresh air duct and the exhaust air inlet 22 are provided. The air ducts intersect at the partitions for heat exchange.

In the above-mentioned embodiment, a control component is also included, the control component is arranged near the compressor, and is electrically connected to the fresh air fan and the exhaust air fan. The control assembly adjusts the fresh air fan and the exhaust air fan based on the command to adjust the fresh air volume and exhaust air volume. The air volume is between the exhaust fan and the condenser.

In an embodiment of the present invention, the projection of the evaporator 31 on the vertical plane coincides with the projection of the air supply port 14 on the vertical plane, or the length of the longest side of the projection of the evaporator 31 on the horizontal plane is the same as the air supply port. The projections of 14 on the horizontal plane are approximately the same length. In this way, all the air a cooled by the evaporator 31 can be exhausted from the air supply port 14, and there is no part of the air that is not exhausted from the casing 10 in time, which affects the dehumidification effect.

In an embodiment of the present invention, a filter screen 36 for filtering the air in the fresh air duct is further arranged between the partition plate 20 and the evaporator 31 . The air a sucked into the housing 10 from the fresh air inlet 12 flows into the partition plate 20 and crosses with the air b at the partition plate 20 for heat exchange. Filtration, electrostatic precipitator for the air a after heat exchange, can also remove PM2.5 and PM10 in the air a, to purify the air, the purified air a passes through the low-temperature evaporator 31, and starts to condense on the surface of the evaporator 31 The moisture in the air a is discharged from the air outlet 14 into the room for use after the second dehumidification.

In the above-mentioned embodiment, the fresh air duct and the exhaust air duct adopt L-shaped structures respectively. For details, please refer to Figures 4a and 4b, which are respectively the structural schematic diagrams of the fresh air duct and the exhaust air duct of the present invention. The channel 43 and the relatively wide channel 44 are composed of the channel 43 and the channel 44. The channel 43 and the channel 44 are turned at the gap 41. Specifically, the air passes through the channel 43 of the fresh air duct. The notch 41 flows out and enters the channel 44 through the notch 41 after heat exchange at the partition plate 20 . In the same way, the principle of the exhaust air duct 42 is the same as that of the fresh air duct, and the air of the two air ducts crosses at the gap of the two passages, and heat exchange is performed at the partition 20, that is, the partition plate, and preliminary temperature adjustment ( Cooling or heating treatment), the air after the preliminary treatment will undergo specific cooling or heating treatment in the subsequent process, so that the preliminary treatment saves electric energy for the subsequent temperature adjustment (continuous cooling or heating treatment).

The dehumidifier provided by the utility model is provided with an exhaust air inlet 11 and a fresh air inlet 12. The fresh air can be supplied to the room through the fresh air inlet 12, and the room can be provided with clear air. An independent fresh air duct is arranged in the housing 10. With the exhaust air duct, the air in the fresh air duct and the exhaust air duct conducts heat exchange at the partition 20, which can effectively save energy and improve the dehumidification capacity of the dehumidifier.

In the above-mentioned embodiment, the separator 20 is a separator, preferably a thermally conductive resin material.

In the above-mentioned embodiment, a nylon mesh is arranged at the air inlet of the fresh air to prevent mosquitoes and large debris from entering the air from entering the air duct.

In the above-mentioned embodiments, the upstream refers to the direction against the flow of the airflow, and it can be understood that the downstream refers to the direction of the flow along the airflow.

In the above embodiment, the filter screen includes one or a combination of activated carbon filter membrane, PM10 filter membrane, PM2.5 filter membrane, and electrostatic precipitator module.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those who are familiar with the technology to understand the content of the present utility model and implement accordingly, and cannot limit the protection scope of the present utility model with this. All equivalent transformations or modifications made in accordance with the spirit of the present invention shall be covered within the protection scope of the present invention.

Claims (10)

1. a kind of dehumidifier characterized by comprising

Shell, including air draft air inlet, fresh air air inlet, air draft air outlet and air outlet；

Refrigerating circulatory device, including evaporator, condenser, compressor and expansion valve；

Partition is set between the evaporator and condenser compressor；

Wherein, from the fresh air air inlet via the partition, evaporator, can heat exchanger to the air outlet, formed new Wind air duct；From the air draft air inlet via the partition, condenser, compressor to the air draft air outlet, formation air draft wind Road, air heat exchange at partition in the fresh air duct and wind output channel.

2. dehumidifier according to claim 1, which is characterized in that fresh air duct be additionally provided with can heat exchanger, with Evaporator setting arranged side by side and close air outlet side.

3. dehumidifier according to claim 1, which is characterized in that also include drainpipe, connect with the intracorporal drip tray of shell It connects.

4. dehumidifier according to claim 1, which is characterized in that the upstream side of evaporator is additionally provided with to fresh air duct The strainer that air is filtered.

5. dehumidifier according to claim 4, which is characterized in that the strainer includes active carbon filter membrane, PM10 filtering One of film, PM2.5 filter membrane, electrostatic precipitation module or combinations thereof.

6. dehumidifier according to claim 5, which is characterized in that partition is provided with full heat in the side of the evaporator and hands over Change gear wind entrance, and the other side of the partition is provided with Total heat exchange fresh air inlet, so that the fresh air duct and the air draft Air duct intersects at the partition, carries out heat exchange.

7. dehumidifier according to claim 1, which is characterized in that the partition includes the partition of heat-conducting resin material, institute It states fresh air duct and the wind output channel to intersect at the partition, carries out heat exchange.

8. dehumidifier according to claim 1, which is characterized in that further include fresh-air fan and exhaust fan, the fresh air Blower is set in fresh air duct and close to air outlet, and the exhaust fan is set in wind output channel and close to air draft outlet air Mouthful.

9. dehumidifier according to claim 1, which is characterized in that further include control assembly, is set in wind output channel, The control assembly condenser is close to compressor side.

10. dehumidifier according to claim 9, which is characterized in that the control assembly is electrically connected fresh-air fan, air draft Blower adjusts the revolving speed of fresh-air fan and exhaust fan based on instruction and then adjusts fresh-air volume and air draft air quantity.