CN220981616U

CN220981616U - Air source heat pump with defrosting function

Info

Publication number: CN220981616U
Application number: CN202322545734.5U
Authority: CN
Inventors: 徐宁; 朱云广
Original assignee: Zhongshan City Heng Yue Electrical Appliance Co ltd
Current assignee: Zhongshan City Heng Yue Electrical Appliance Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-17
Anticipated expiration: 2033-09-19

Abstract

The utility model relates to the technical field of air source heat pumps, and discloses an air source heat pump with a defrosting function, which comprises a shell and a filter screen cover arranged at one end of the shell, wherein a cleaning mechanism is arranged in the shell, an evaporator is arranged on the cleaning mechanism, the cleaning mechanism is used for cleaning frost condensed on the surface of the evaporator, a water removing mechanism used for removing water deposited in the shell is also arranged in the shell, and a fan is arranged in the shell and positioned on the cleaning mechanism. The air source heat pump with the defrosting function solves the problem that when the existing air source heat pump is used for defrosting an evaporator, only one side surface of the evaporator can be defrosted, and the other side surface of the evaporator can be contacted with outside air, so that the frosting phenomenon can occur.

Description

Air source heat pump with defrosting function

Technical Field

The utility model relates to the technical field of air source heat pumps, in particular to an air source heat pump with a defrosting function.

Background

An air source heat pump is an energy-saving device which utilizes high potential energy to enable heat to flow from low-level heat source air to high-level heat sources. The heat pump is a form of heat pump, and can convert low-level heat energy (such as heat contained in air, soil and water) which cannot be directly utilized into high-level heat energy which can be utilized, so that the aim of saving part of high-level energy (such as coal, fuel gas, oil, electric energy and the like) is fulfilled, and the air is used as a low-level heat source of the heat pump, is inexhaustible, is available everywhere, and can be obtained in a gratuitous way. As the air source heat pump has the repeated heating-cooling process on the surface of the evaporator during operation, the surface of the evaporator is easy to generate frosting after cooling, and the frosting is melted after heating.

Through searching Chinese patent (publication No. CN 212299549U), an air source heat pump is disclosed, which solves the problems that after the heat exchange between the air flow and the evaporator, the internal energy of the air is reduced, the temperature is reduced, the air flow reaches the surface of the evaporator again through a return channel, and the air flow reduces the integral temperature difference between the evaporator and the heat exchange air, so that the heat absorption efficiency of the evaporator is reduced; the flow direction of the air flow is different from the flow direction of the air flow entering from the air inlet of the fan, so that the surface of the evaporator is contacted with the air flow direction confusion, however, when the evaporator is defrosted, the device can defrost only one side surface of the evaporator, and the other side surface of the evaporator is contacted with the outside air, so that the phenomenon of frosting can occur, and therefore, an air source heat pump with defrosting function is needed to solve the problems.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the air source heat pump with the defrosting function, which solves the problem that the existing air source heat pump can only defrost one side surface of an evaporator when defrosting the evaporator, and the other side surface of the evaporator can be contacted with the outside air, so that the phenomenon of frosting can occur.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides an air source heat pump with defrosting function, includes the casing and installs the filter screen cover in casing one end, be provided with clean mechanism in the casing, install the evaporimeter on the clean mechanism, and clean mechanism is used for cleaning the frost that the evaporimeter surface condensed, still be provided with the dewatering mechanism that is used for clearing up the interior heavy ponding of casing in the casing, just be located clean mechanism in the casing and install the induced air fan.

As a preferable technical scheme of the utility model, the cleaning mechanism comprises a fixing frame arranged in a shell, a fan and an evaporator are both arranged on the fixing frame, a servo motor is arranged on the outer surface of the shell, a threaded rod is arranged at the output end of the servo motor, a lantern ring is connected to the surface of the threaded rod in a threaded manner, a connecting rod is arranged on the outer surface of the lantern ring, an installation frame is arranged at the end head of the connecting rod, and a cleaning brush is arranged on the inner wall of the installation frame.

As a preferable technical scheme of the utility model, the fixing frame is L-shaped, a plurality of groups of through holes are densely arranged on the surface of the fixing frame, and the bottom end of the threaded rod is arranged with the fixing frame through a swivel seat.

As a preferable technical scheme of the utility model, the cleaning brushes on the inner wall of the mounting frame are tightly attached to the two side surfaces of the evaporator.

As a preferable technical scheme of the utility model, the water removing mechanism comprises a mounting block which is mounted at a port of the shell, a limiting frame is mounted on the surface of the mounting block, a fixing screw is connected with the end of the limiting frame in a threaded manner, a long rod is movably connected in the limiting frame, and a scraping plate is mounted at the end of the long rod.

As a preferable technical scheme of the utility model, the long rod and the limiting frame are fixed through the fixing screw, and the scraping plate is tightly attached to the bottom of the inner wall of the shell.

The beneficial effects of the utility model are as follows:

1) This air source heat pump with defrosting function, the phenomenon of frosting can appear on the both sides surface of evaporimeter when equipment is in operation, at this moment through servo motor drive threaded rod rotation, the lantern ring on threaded rod surface can realize reciprocating at the surface of threaded rod to drive the mounting bracket and inside cleaning brush by the lantern ring and defrost the both sides surface of evaporimeter, effectively guaranteed the performance of evaporimeter, simultaneously because the surface of mount is densely offered the multiunit through-hole, consequently can not influence the circulation of air.

2) This air source heat pump with defrosting function, the frost that the clearance was got off can fall in shells inner wall's bottom and melt into water gradually, during the clearance, only need loosen set screw, later pulling stock drive scraper blade with shell internal water striking off, with the scraper blade reset and fix by set screw after the cleaning is accomplished can, easy operation.

Drawings

FIG. 1 is a schematic view of the internal structure of a housing according to the present utility model;

FIG. 2 is a schematic view of a cleaning brush mounting structure according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 1;

FIG. 4 is an enlarged view of the utility model at B in FIG. 1;

Fig. 5 is a schematic view of the mounting structure of the fixing screw of the present utility model.

In the figure: 1. a housing; 2. filtering the net cover; 3. a cleaning mechanism; 301. a fixing frame; 302. a servo motor; 303. a threaded rod; 304. a collar; 305. a connecting rod; 306. a mounting frame; 307. a cleaning brush; 4. an evaporator; 5. a water removal mechanism; 501. a mounting block; 502. a limiting frame; 503. a fixing screw; 504. a long rod; 505. a scraper; 6. and (5) a fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-2, An air source heat pump with defrosting function comprises a shell 1 and a filter screen 2 arranged at one end of the shell 1, wherein a cleaning mechanism 3 is arranged in the shell 1, an evaporator 4 is arranged on the cleaning mechanism 3, the cleaning mechanism 3 is used for cleaning frost condensed on the surface of the evaporator 4, and a fan 6 is arranged in the shell 1 and positioned on the cleaning mechanism 3;

The cleaning mechanism 3 comprises a fixing frame 301 installed in a shell 1, a fan 6 and an evaporator 4 are both installed on the fixing frame 301, a servo motor 302 is installed on the outer surface of the shell 1, a threaded rod 303 is installed at the output end of the servo motor 302, a lantern ring 304 is connected with the surface of the threaded rod 303 in a threaded manner, a connecting rod 305 is installed on the outer surface of the lantern ring 304, a mounting frame 306 is installed at the end head of the connecting rod 305, and a cleaning brush 307 is installed on the inner wall of the mounting frame 306.

The fixing frame 301 is L-shaped, and a plurality of groups of through holes are densely arranged on the surface of the fixing frame 301, and the bottom end of the threaded rod 303 is installed with the fixing frame 301 through a swivel seat.

The stability of the evaporator 4, the induced fan 6 and the threaded rod 303 during operation can be ensured through the fixing frame 301, and meanwhile, the normal circulation of air can not be influenced.

Wherein the cleaning brushes 307 of the inner wall of the mounting frame 306 are closely attached to both side surfaces of the evaporator 4.

The cleaning brush 307 passing through the mounting frame 306 and the inner wall thereof can defrost both side surfaces of the evaporator 4 at the same time, thereby effectively ensuring the service performance of the equipment.

In the second embodiment, as shown in fig. 1, 3, 4 and 5, on the basis of the first embodiment, a water removing mechanism 5 for cleaning the deposited water in the housing 1 is further disposed in the housing 1, the water removing mechanism 5 includes a mounting block 501 mounted at a port of the housing 1, a limiting frame 502 is mounted on a surface of the mounting block 501, a fixing screw 503 is screwed to an end of the limiting frame 502, a long rod 504 is movably connected in the limiting frame 502, and a scraper 505 is mounted at an end of the long rod 504.

The long rod 504 and the limiting frame 502 are fixed by a fixing screw 503, and the scraping plate 505 is tightly attached to the bottom of the inner wall of the shell 1.

The long rod 504 is pulled to drive the scraping plate 505 to remove water in the shell 1, so that the cleaning is convenient.

Working principle: when the equipment is in operation, frosting phenomenon can appear on the two side surfaces of the evaporator 4, at this moment, the threaded rod 303 is driven to rotate through the servo motor 302, the lantern ring 304 on the surface of the threaded rod 303 can move up and down on the surface of the threaded rod 303, the lantern ring 304 drives the mounting frame 306 and the cleaning brush 307 in the mounting frame 306 to defrost the two side surfaces of the evaporator 4, the usability of the evaporator 4 is effectively ensured, meanwhile, due to the fact that a plurality of groups of through holes are densely formed in the surface of the mounting frame 301, circulation of air is not influenced, cleaned frost can fall on the bottom of the inner wall of the shell 1 and gradually melt into water, during cleaning, the fixing screw 503 is only required to be loosened, then the long rod 504 is pulled to drive the scraping plate 505 to scrape water in the shell 1, and after cleaning, the scraping plate 505 is reset and is fixed through the fixing screw 503, and the operation is simple.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element, while the terms "left", "right", "top" and "bottom" as used herein refer to the elements as placed in fig. 1. The terms "front" and "rear" as used herein refer to the operator facing the dispensing device, being closer to the operator than the operator, and farther from the operator than the operator.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air source heat pump with defrosting function, includes casing (1) and installs filter screen panel (2) at casing (1) one end, its characterized in that: the novel cleaning device is characterized in that a cleaning mechanism (3) is arranged in the shell (1), an evaporator (4) is arranged on the cleaning mechanism (3), the cleaning mechanism (3) is used for cleaning frost condensed on the surface of the evaporator (4), a water removing mechanism (5) used for cleaning deposited water in the shell (1) is further arranged in the shell (1), and a fan (6) is arranged in the shell (1) and located on the cleaning mechanism (3).

2. An air source heat pump with defrosting function as set forth in claim 1, wherein: the cleaning mechanism (3) comprises a fixing frame (301) installed in a shell (1), a fan (6) and an evaporator (4) are both installed on the fixing frame (301), a servo motor (302) is installed on the outer surface of the shell (1), a threaded rod (303) is installed at the output end of the servo motor (302), a lantern ring (304) is connected with the surface of the threaded rod (303) in a threaded manner, a connecting rod (305) is installed on the outer surface of the lantern ring (304), a mounting frame (306) is installed at the end head of the connecting rod (305), and a cleaning brush (307) is installed on the inner wall of the mounting frame (306).

3. An air source heat pump with defrosting function as claimed in claim 2, wherein: the fixing frame (301) is L-shaped, a plurality of groups of through holes are densely formed in the surface of the fixing frame, and the bottom end of the threaded rod (303) is installed with the fixing frame (301) through a swivel seat.

4. An air source heat pump with defrosting function as claimed in claim 2, wherein: the cleaning brushes (307) on the inner wall of the mounting frame (306) are tightly attached to the two side surfaces of the evaporator (4).

5. An air source heat pump with defrosting function as set forth in claim 1, wherein: the dewatering mechanism (5) comprises a mounting block (501) at the port of the mounting shell (1), a limiting frame (502) is mounted on the surface of the mounting block (501), a fixing screw (503) is connected with the end of the limiting frame (502) in a threaded mode, a long rod (504) is movably connected in the limiting frame (502), and a scraping plate (505) is mounted at the end of the long rod (504).

6. An air source heat pump with defrosting function as defined in claim 5, wherein: the long rod (504) is fixed with the limiting frame (502) through a fixing screw (503), and the scraping plate (505) is tightly attached to the bottom of the inner wall of the shell (1).