Wide-temperature-range efficient energy-saving air source heat pump unit

By designing defrosting components and heating components in a wide temperature domain high-efficiency energy-saving air source heat pump unit, the problem of frosting on the surface of the evaporator is solved, the heat exchange efficiency is improved and the system performance is avoided.

CN120101351AInactive Publication Date: 2025-06-06LISHUI UNIV
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Patent Information

Application Number
CN202510356345.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-06-06
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the external temperature of the existing wide temperature domain high-efficiency energy-saving air source heat pump unit decreases, frost is prone to occur on the surface of the evaporator, resulting in a decrease in heat exchange efficiency, affecting system performance and increasing energy consumption.

Method used

An air source heat pump unit including a defrosting assembly and a heating assembly is designed. The defrosting assembly consists of an evaporator, a scraper and a heating wire. The scraper is driven by a transmission motor to scrape the frosting on the surface of the evaporator and maintain the high temperature of the scraper through the heating wire to prevent frosting.

Benefits of technology

Effectively clean frosting on the surface of the evaporator, improve heat exchange efficiency, and avoid degradation of heat pump system performance due to accumulation of frosting layers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a wide-temperature-range efficient energy-saving air source heat pump unit, and relates to the technical field of air source heat pump units. The air source heat pump unit comprises a support, a containing plate is fixedly connected into the support, and an air source heat pump unit body is fixedly connected to the top of the containing plate; defrosting assemblies are arranged on the two sides of the air source heat pump unit body and comprise evaporators. Through work of the transmission motor, the reciprocating lead screw can be driven to rotate, the reciprocating lead screw drives the threaded sleeve to move, the threaded sleeve drives the connecting plate to move, the connecting plate drives the scraping plate to move, the scraping plate installed on the connecting plate scrapes a frosting layer on the surface of the evaporator along with movement of the connecting plate, and therefore frost on the surface of the evaporator is effectively cleaned; the frosting phenomenon is reduced, the heat exchange efficiency is improved, and the situation that the performance of a heat pump system is reduced due to frosting layer accumulation is avoided.
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Description

Technical Field

[0001] The present invention belongs to the technical field of air source heat pump units, and in particular relates to a wide temperature range, high efficiency and energy saving air source heat pump unit. Background Art

[0002] The wide temperature range, high-efficiency and energy-saving air source heat pump unit is optimized to operate stably under extreme climatic conditions and provide efficient heating or cooling effects. It adopts advanced frequency conversion technology, intelligent control system and high-efficiency heat exchanger to maximize energy efficiency, significantly reduce energy consumption and reduce operating costs. It is widely used in residential, commercial and industrial fields to meet different load requirements and achieve the goal of energy saving and environmental protection.

[0003] In the existing technology, wide temperature range, high-efficiency and energy-saving air source heat pump units are prone to frost on the evaporator surface when the outside temperature drops. This frosting will reduce the heat exchange efficiency, affect the overall performance of the system, and increase energy consumption. At the same time, excessive frost accumulation may also cause equipment overheating, increased pressure, and even damage the compressor or other key components. Summary of the invention

[0004] The purpose of the present invention is to provide a wide temperature range, high-efficiency and energy-saving air source heat pump unit. Through the cooperation of a defrosting component and a heating component, the problem of wide temperature range, high-efficiency and energy-saving air source heat pump units in the prior art that frost is prone to form on the evaporator surface when the outside temperature drops is solved.

[0005] To solve the above technical problems, the present invention is implemented through the following technical solutions.

[0006] The present invention is a high-efficiency and energy-saving air source heat pump unit with a wide temperature range, comprising a bracket, a placement plate is fixedly connected inside the bracket, and an air source heat pump unit body is fixedly connected to the top of the placement plate; defrosting components are arranged on both sides of the air source heat pump unit body, and the defrosting components include an evaporator, and the evaporator is fixedly connected to both sides of the air source heat pump unit body, and a scraper is arranged on one side of the evaporator; a heating component is arranged inside the scraper, and the heating component includes a placement groove, and the placement groove is opened inside the scraper, and a heating wire is fixedly connected inside the placement groove, and the heating wire is used to heat the scraper.

[0007] The present invention is further configured such that both sides of the bracket are fixedly connected with a shell, one side of the shell is fixedly connected with a transmission motor, the output end of the transmission motor is fixedly connected with a reciprocating screw, the surface of the reciprocating screw is threadedly connected with a threaded sleeve, one side of the threaded sleeve is fixedly connected with a connecting plate, and one side of the connecting plate is fixedly connected to one side of the scraper.

[0008] The present invention is further configured such that a temperature control device is fixedly connected to one side of the top of the connection plate, and the temperature control device is electrically connected to the heating wire via a connecting line.

[0009] The present invention is further configured such that both sides of the top of the placement plate are fixedly connected with collection boxes, and the collection boxes are used to collect frost removed by the scraper.

[0010] The present invention is further configured such that a sliding groove is provided on one side of the shell, and the connecting plate is slidably connected to the inside of the sliding groove.

[0011] The present invention is further configured such that a limiting rod is fixedly connected inside the shell, and the connecting plate is slidably connected inside the limiting rod.

[0012] The present invention has the following beneficial effects: through the operation of the transmission motor, the reciprocating screw can be driven to rotate, the reciprocating screw drives the threaded sleeve to move, the threaded sleeve drives the connecting plate to move, the connecting plate drives the scraper to move, and the scraper installed on the connecting plate scrapes off the frost layer on the surface of the evaporator as the connecting plate moves, thereby effectively cleaning the frost on the surface of the evaporator, reducing the frosting phenomenon, improving the heat exchange efficiency, and avoiding the performance degradation of the heat pump system due to the accumulation of the frost layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below.

[0014] Figure 1 It is a stereogram of the present invention.

[0015] Figure 2 It is a schematic diagram of the internal structure of the shell in the present invention.

[0016] Figure 3 It is a schematic diagram of the structure of the defrosting component in the present invention.

[0017] Figure 4 It is an exploded view of the scraper in the present invention.

[0018] In the attached figure: 1. bracket; 2. placement plate; 3. air source heat pump unit body; 4. evaporator; 5. scraper; 6. placement groove; 7. heating wire; 8. shell; 9. transmission motor; 10. reciprocating screw; 11. threaded sleeve; 12. connecting plate; 13. temperature control device; 14. collection box; 15. sliding groove; 16. limit rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Embodiment 1

[0021] See also Figure 1-4 The present invention is a wide temperature range, high-efficiency and energy-saving air source heat pump unit, including a bracket 1, a placement plate 2 is fixedly connected inside the bracket 1, and an air source heat pump unit body 3 is fixedly connected to the top of the placement plate 2; defrosting components are arranged on both sides of the air source heat pump unit body 3, and the defrosting components include an evaporator 4, the evaporator 4 is fixedly connected to both sides of the air source heat pump unit body 3, and a scraper 5 is arranged on one side of the evaporator 4; a heating component is arranged inside the scraper 5, and the heating component includes a placement groove 6, which is opened inside the scraper 5, and a heating wire 7 is fixedly connected inside the placement groove 6, and the scraper 5 is heated by the heating wire 7.

[0022] Specifically: the bracket 1 can fix the air source heat pump unit, provide stable support for the entire system, and ensure that the unit does not move during operation. The scraper 5 can remove frost on the surface of the evaporator 4 to maintain heat exchange efficiency. The heating wire 7 is heated by electric energy to increase the temperature of the scraper 5 to prevent frost or ice on the surface of the scraper 5, ensuring that it always maintains efficient operation in a low temperature environment and increases the defrosting efficiency.

[0023] Embodiment 2

[0024] See also Figure 1-4 On the basis of the first embodiment, both sides of the bracket 1 are fixedly connected with the shell 8, one side of the shell 8 is fixedly connected with the transmission motor 9, the output end of the transmission motor 9 is fixedly connected with the reciprocating screw 10, the surface of the reciprocating screw 10 is threadedly connected with the threaded sleeve 11, one side of the threaded sleeve 11 is fixedly connected with the connecting plate 12, one side of the connecting plate 12 is fixedly connected with one side of the scraper 5, one side of the top of the connecting plate 12 is fixedly connected with a temperature control device 13, the temperature control device 13 is electrically connected to the heating wire 7 through a connecting line, both sides of the top of the placing plate 2 are fixedly connected with a collecting box 14, and the collecting box 14 is used to collect the frost removed by the scraper 5, a sliding groove 15 is opened on one side of the shell 8, the connecting plate 12 is slidably connected to the inside of the sliding groove 15, a limiting rod 16 is fixedly connected to the inside of the shell 8, and the connecting plate 12 is slidably connected to the inside of the limiting rod 16.

[0025] Specifically: one end of the reciprocating screw 10 is rotatably connected to one side of the inner wall of the shell 8 through a rotating shaft, and the other end is fixedly connected to the output end of the transmission motor 9. The temperature control device 13 can control the operating temperature of the heating wire 7. The collection box 14 can collect frost caused by the scraper 5. The limit rod 16 can limit the threaded sleeve 11. The scraper is made of butyl rubber. Butyl rubber is a common wear-resistant, antioxidant and soft material that can withstand certain tensile and compressive forces to prevent damage to the surface of the evaporator 4 during cleaning.

[0026] The working principle of the present invention is as follows: when it is necessary to remove frost on the surface of the evaporator 4, the user starts the transmission motor 9 through the controller, the transmission motor 9 drives the reciprocating screw 10 to rotate, the reciprocating screw 10 drives the threaded sleeve 11 to move, the threaded sleeve 11 drives the connecting plate 12 to move, the connecting plate 12 drives the scraper 5 to move, and the scraper 5 installed on the connecting plate 12 scrapes off the frost layer on the surface of the evaporator 4 as the connecting plate 12 moves, thereby effectively cleaning the frost on the surface of the evaporator 4, reducing the frosting phenomenon, improving the heat exchange efficiency, and avoiding the performance degradation of the heat pump system due to the accumulation of the frost layer.

[0027] At the same time, the temperature control device 13 will energize the heating wire 7 to make it start to heat up, and the heating effect of the heating wire 7 can increase the temperature of the scraper 5, avoiding frost or ice on the surface of the scraper 5, ensuring that the scraper 5 always maintains an efficient and stable operation state during the cleaning process, and increasing the defrosting efficiency.

[0028] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only the specific implementation methods described.

Claims

1. A wide temperature range, high efficiency and energy saving air source heat pump unit, comprising a bracket (1), characterized in that: A placement plate (2) is fixedly connected inside the bracket (1), and an air source heat pump unit body (3) is fixedly connected to the top of the placement plate (2); Both sides of the air source heat pump unit body (3) are provided with a defrosting assembly, the defrosting assembly comprising an evaporator (4), the evaporator (4) is fixedly connected to both sides of the air source heat pump unit body (3), and a scraper (5) is provided on one side of the evaporator (4); A heating component is arranged inside the scraper (5), and the heating component comprises a placement groove (6). The placement groove (6) is opened inside the scraper (5), and a heating wire (7) is fixedly connected inside the placement groove (6), and the scraper (5) is heated by the heating wire (7).

2. A wide temperature range, high efficiency and energy saving air source heat pump unit according to claim 1, characterized in that: Both sides of the bracket (1) are fixedly connected to a housing (8), one side of the housing (8) is fixedly connected to a transmission motor (9), an output end of the transmission motor (9) is fixedly connected to a reciprocating screw (10), a threaded sleeve (11) is threadedly connected to the surface of the reciprocating screw (10), one side of the threaded sleeve (11) is fixedly connected to a connecting plate (12), and one side of the connecting plate (12) is fixedly connected to one side of the scraper (5).

3. A wide temperature range, high efficiency and energy saving air source heat pump unit according to claim 2, characterized in that: A temperature control device (13) is fixedly connected to one side of the top of the connection plate (12), and the temperature control device (13) is electrically connected to the heating wire (7) via a connecting wire.

4. A wide temperature range, high efficiency and energy saving air source heat pump unit according to claim 1, characterized in that: Both sides of the top of the placement plate (2) are fixedly connected with a collection box (14), and the collection box (14) is used to collect frost removed by the scraper (5).

5. A wide temperature range, high efficiency and energy saving air source heat pump unit according to claim 2, characterized in that: A sliding groove (15) is provided on one side of the housing (8), and the connecting plate (12) is slidably connected inside the sliding groove (15).

6. A wide temperature range, high efficiency and energy saving air source heat pump unit according to claim 2, characterized in that: A limiting rod (16) is fixedly connected inside the housing (8), and the connecting plate (12) is slidably connected inside the limiting rod (16).