CN210663483U

CN210663483U - Frosting prevention device for air source heat pump unit in low-temperature area

Info

Publication number: CN210663483U
Application number: CN201921695957.7U
Authority: CN
Inventors: 杜贤平; 杭文斌; 华青梅; 余伟; 徐根山
Original assignee: Kochem Electric Appliance Co Ltd
Current assignee: Kochem Electric Appliance Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-02
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a frosting prevention device for air source heat pump unit in low temperature area relates to air source heat pump technical field. The utility model comprises a shell; a heat exchanger is fixedly arranged in the shell; a ventilation opening is formed in one side face of the shell; a temperature-raising and humidity-reducing device is fixedly arranged on the outer side surface of the ventilation opening; the temperature-rise and humidity-fall device comprises a temperature-rise assembly; a humidity reducing component is fixedly arranged below the temperature rising component; the inner wall of the dehumidifying component is movably connected with a compressing component. The utility model discloses a casing, heat exchanger, vent and the effect of rising temperature and falling wet device have and reach and improve the effect that gets into gas temperature in the casing, reduce and get into gas humidity in the casing, effectually prevent that the heat exchanger phenomenon of frosting, avoid reducing indoor travelling comfort and change the frost.

Description

Frosting prevention device for air source heat pump unit in low-temperature area

Technical Field

The utility model belongs to the technical field of air source heat pump, especially, relate to a frosting prevention device for air source heat pump unit in low temperature area.

Background

In a low-temperature area, when an air source heat pump unit air conditioner is operated at a low temperature for heating, the frosting phenomenon often occurs on the heat exchanger, especially in winter. The existence of the frost layer can increase heat exchange resistance, reduce heat transfer coefficient and reduce heating performance and energy efficiency of the air conditioner. The existing defrosting mode generally changes an air conditioner into a summer refrigeration working condition, an outdoor heat exchanger obtains heat, and after defrosting is finished, a four-way valve is switched to a heating state, so that indoor heating is stopped, and the comfort is reduced. Therefore, measures can be taken in advance to prevent frosting and avoid reducing the indoor comfort.

To the above problem, the utility model discloses a casing, heat exchanger, vent and the effect of rising temperature and falling wet device have and reach and improve the effect that gets into the interior gas temperature of casing, reduce and get into the interior gas humidity of casing, effectually prevent the heat exchanger phenomenon of frosting, avoid reducing indoor travelling comfort and come the defrosting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature area air source heat pump set is with preventing device that frosts, through the effect of casing, heat exchanger, vent and the device that wets that heaies up, solved current low temperature area air source heat pump frosts easily, current prevent frosting measure with the problem of sacrifice room building travelling comfort as the cost.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a frosting prevention device for an air source heat pump unit in a low temperature area, which comprises a shell; a heat exchanger is fixedly arranged in the shell; a ventilation opening is formed in one side face of the shell; a temperature-raising and humidity-reducing device is fixedly arranged on the outer side surface of the ventilation opening;

when the temperature is low or the humidity is high, the air entering the shell can be subjected to certain temperature rise and humidity reduction measures by installing the temperature rise and humidity reduction device, so that the frosting condition on the heat exchanger is effectively relieved;

the temperature-rise and humidity-decrease device comprises a temperature-rise assembly; a humidity reducing component is fixedly arranged below the temperature rising component; the inner wall of the dehumidifying component is movably connected with a compressing component.

Further, the temperature rising assembly comprises a ventilation pipeline with two sealed ends; the upper end of the ventilation pipeline is fixedly provided with a hot air blowing device which is communicated with the ventilation pipeline and used for blowing hot air to heat and evaporate water; the lower end of the ventilation pipeline is provided with a plurality of ventilation holes.

Further, the dehumidifying component is a sealed cabin structure; the dehumidifying component comprises a plurality of dehumidifying cabins; the dehumidification cabins are provided with ventilation cabins between every two dehumidification cabins, and the hot air blowing device can ventilate, heat and evaporate water in the dehumidification cabins through the ventilation cabins; a plurality of communicating holes are formed in the partition plate between the dehumidification cabin and the ventilation cabin; a plurality of through holes are formed in the peripheral side surface of the dehumidifying component; a plurality of fixing plates are fixedly arranged on the inner wall of the dehumidification cabin;

the bottom of the dehumidification cabin is provided with a water filtering hole for discharging absorbed water;

the upper surface of the fixing plate is provided with a plurality of vertical holes, so that ventilation is facilitated; a loose and porous elastic water absorbing material, such as cotton, is fixed on the lower surface of the fixing plate and used for absorbing water in air entering the shell, so that the frosting condition of the heat exchanger is effectively relieved.

Furthermore, the outer surface of the loose and porous elastic water absorption material is coated with a layer of dense net and is fixed on the fixing plate, so that the loose and porous elastic water absorption material is prevented from falling down after absorbing water.

Further, the compression assembly includes a base plate; the upper surface of the bottom plate is provided with a plurality of supporting rods; a plurality of transverse plates are fixedly arranged on the peripheral side surface of the supporting rod; the horizontal plates are provided with air holes in an array on the upper surface, so that ventilation is facilitated, on one hand, the temperature of gas entering the shell is raised by absorbing hot air, on the other hand, the gas entering the shell and moisture in the elastic water absorbing material are rapidly evaporated, the humidity is reduced, and the temperature is raised, so that the frosting condition of the heat exchanger can be effectively relieved;

the upper surface of the bottom plate is fixed with the telescopic end of the electric telescopic rod; electric telescopic handle fixed mounting is in the subassembly bottom that dehumidifies, when the elasticity material that absorbs water absorbs more moisture, drives the diaphragm through electric telescopic handle and extrudees elasticity material that absorbs water such as cotton, extrudees absorptive moisture and discharges.

The utility model discloses following beneficial effect has:

1. the utility model is fixedly provided with a hot air blowing device at the upper end of the air conduit, is communicated with the air conduit and is used for heating and evaporating moisture by blowing hot air; a group of loose and porous elastic water absorbing material is fixed on the lower surface of the fixing plate and used for absorbing water in air entering the shell, and the frosting condition of the heat exchanger is effectively relieved.

2. The utility model discloses an electric telescopic handle fixed mounting is in the subassembly bottom that dehumidifies, and when elasticity water absorption material absorbed more moisture, it extrudees elasticity water absorption material for example cotton to drive the diaphragm through electric telescopic handle, extrudees absorptive moisture of extrusion and discharges, and the follow-up ventilation of being convenient for is dehumidified, has and reaches to improve and get into gas temperature in the casing, reduce and get into gas humidity in the casing, effectually prevents that the heat exchanger phenomenon of frosting, avoid reducing the effect that indoor travelling comfort changes frost.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an anti-frosting device for an air source heat pump unit in a low temperature area of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

in the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 2-heat exchanger, 3-ventilation opening, 4-heating and dehumidifying device, 5-heating assembly, 6-dehumidifying assembly, 7-compacting assembly, 501-ventilation pipeline, 502-hot air blowing device, 503-ventilation opening, 601-dehumidifying cabin, 602-ventilation cabin, 603-communication opening, 604-through opening, 605-fixing plate, 701-bottom plate, 702-supporting rod, 703-transverse plate, 704-ventilation opening, 705-electric telescopic rod, 6011-water filtering opening, 6051-vertical opening and 6052-elastic water absorbing material.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention relates to a frost prevention device for an air source heat pump unit in a low temperature area, which comprises a housing 1; a heat exchanger 2 is fixedly arranged in the shell 1; one side surface of the shell 1 is provided with a vent 3; a temperature-raising and humidity-reducing device 4 is fixedly arranged on the outer side surface of the ventilation opening 3;

when the temperature is low or the humidity is high, the air entering the shell 1 can be subjected to certain temperature rise and humidity reduction measures by installing the temperature rise and humidity reduction device 4, so that the frosting condition on the heat exchanger 2 is effectively relieved;

as shown in fig. 1, the temperature-raising and humidity-reducing device 4 includes a temperature-raising component 5; a dehumidifying component 6 is fixedly arranged below the heating component 5; the inner wall of the dehumidifying component 6 is movably connected with a compressing component 7.

Preferably, as shown in fig. 1, the warming assembly 5 includes a ventilation duct 501 sealed at both ends; a hot air blowing device 502 is fixedly mounted at the upper end of the ventilation duct 501, is communicated with the ventilation duct 501 and is used for blowing hot air to heat and evaporate moisture; the lower end of the ventilation duct 501 is provided with a plurality of ventilation holes 503.

Preferably, as shown in fig. 1-2, the dehumidifying module 6 is a sealed cabin structure; the dehumidifying component 6 comprises a plurality of dehumidifying cabins 601; a ventilation cabin 602 is arranged between every two dehumidification cabins 601, and the hot air blowing device 502 can ventilate, heat and evaporate moisture in the dehumidification cabins 601 through the ventilation cabin 602; a plurality of communicating holes 603 are formed in the partition plate between the humidity reducing cabin 601 and the ventilation cabin 602; the peripheral side surface of the dehumidifying component 6 is provided with a plurality of through holes 604; a plurality of fixing plates 605 are fixedly arranged on the inner wall of the dehumidification cabin 601; a water filtering hole 6011 is formed at the bottom of the dehumidification cabin 601 and used for discharging absorbed water; the upper surface of the fixed plate 605 is provided with a plurality of vertical holes 6051 for ventilation; a loose porous elastic water absorbing material 6052, such as cotton, is fixed on the lower surface of the fixing plate 605 to absorb moisture in the air entering the housing 1, thereby effectively relieving the frosting condition of the heat exchanger 2.

Preferably, as shown in fig. 1-2, the loose and porous elastic water absorbing material 6052 is covered with a dense net on its outer surface and fixed on the fixing plate 605 to prevent the loose and porous elastic water absorbing material 6052 from falling down after absorbing water.

Preferably, as shown in fig. 1-2, hold-down assembly 7 includes a base plate 701; the upper surface of the bottom plate 701 is provided with a plurality of support rods 702; a plurality of transverse plates 703 are fixedly arranged on the peripheral side surface of the support rod 702; the air holes 704 are arrayed on the upper surface of the transverse plate 703, so that ventilation is facilitated, on one hand, the temperature of the gas entering the shell is raised by absorbing hot air, on the other hand, the gas entering the shell and moisture in the elastic water absorbing material 6052 are quickly evaporated, and the frosting condition of the heat exchanger 2 can be effectively relieved by reducing the humidity and raising the temperature; the upper surface of the base plate 701 is fixed with the telescopic end of the electric telescopic rod 705; the electric telescopic rod 705 is fixedly installed at the bottom of the dehumidifying component 6, and when the elastic water absorbing material 6052 absorbs more moisture, the transverse plate 703 is driven by the electric telescopic rod 705 to extrude the elastic water absorbing material 6052 such as cotton, so as to extrude the absorbed moisture and discharge the moisture.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An anti-frosting device for an air source heat pump unit in a low-temperature area comprises a shell (1); a heat exchanger (2) is fixedly arranged in the shell (1); a ventilation opening (3) is formed in one side face of the shell (1); the method is characterized in that: a temperature-rise and humidity-fall device (4) is fixedly arranged on the outer side surface of the ventilation opening (3);

the temperature-rising and humidity-reducing device (4) comprises a temperature-rising assembly (5); a dehumidifying component (6) is fixedly arranged below the temperature rising component (5); the inner wall of the dehumidifying component (6) is movably connected with a compressing component (7).

2. The frost prevention device for the air source heat pump unit in the low-temperature area according to claim 1, wherein the temperature raising component (5) comprises an air duct (501) with two sealed ends; the upper end of the ventilation pipeline (501) is fixedly provided with a hot air blowing device (502) and is communicated with the ventilation pipeline (501); the lower end of the ventilation pipeline (501) is provided with a plurality of ventilation holes (503).

3. The frost prevention device for the air source heat pump unit in the low temperature region according to claim 1, wherein the dehumidifying component (6) is a sealed cabin structure; the dehumidifying component (6) comprises a plurality of dehumidifying cabins (601); a ventilation cabin (602) is arranged between every two of the humidity reducing cabins (601); a plurality of communicating holes (603) are formed in the partition plate between the humidity reducing cabin (601) and the ventilation cabin (602); a plurality of through holes (604) are formed in the peripheral side surface of the dehumidifying component (6); a plurality of fixing plates (605) are fixedly arranged on the inner wall of the humidity reducing cabin (601);

the bottom of the dehumidification cabin (601) is provided with a water filtering hole (6011);

the upper surface of the fixed plate (605) is provided with a plurality of vertical holes (6051); the lower surface of the fixing plate (605) is fixed with a group of loose and porous elastic water-absorbing material (6052).

4. The frost prevention device for the air source heat pump unit in the low temperature region according to claim 3, wherein the outer surface of the loose porous elastic water absorbing material (6052) is coated with a layer of dense net and fixed on the fixing plate (605).

5. The frost prevention device for the air source heat pump unit in the low temperature region according to claim 1, wherein the compressing component (7) comprises a bottom plate (701); the upper surface of the bottom plate (701) is provided with a plurality of support rods (702); a plurality of transverse plates (703) are fixedly arranged on the peripheral side surface of the support rod (702); air holes (704) are arrayed on the upper surface of the transverse plate (703);

the upper surface of the bottom plate (701) is fixed with the telescopic end of the electric telescopic rod (705); the electric telescopic rod (705) is fixedly arranged at the bottom of the dehumidifying component (6).