Heat recovery structure of air source heat pump

Abstract

The utility model discloses a heat recovery structure of an air source heat pump, which relates to the technical field of air source heat pumps, and adopts the technical scheme that the heat recovery structure comprises a heat pump body, an air inlet pipe is fixedly arranged at the top of the heat pump body, a heating pipe section is fixedly arranged on one side of the air inlet pipe, the heating pipe section is fixedly connected with the heat pump body, and a spiral heating pipe is mounted in the heating pipe section. One end of the spiral heating pipe is fixedly connected with an output pipe, the output pipe penetrates through the heating pipe section, the other end of the spiral heating pipe is fixedly connected with a conveying pipe, the conveying pipe penetrates through the heating pipe section, a heat discharge pipe is fixedly arranged on one side of the heat pump body, and the conveying pipe is fixedly connected with the heat discharge pipe; the air source heat pump has the beneficial effects that by introducing the spiral heating pipe structure, part of high-temperature gas can enter the heating pipe section again to be preheated, the initial temperature of air entering the heat pump body is increased, heat is effectively recycled, and the operation efficiency of the air source heat pump in the low-temperature environment is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air source heat pumps, in particular to a heat recovery structure of an air source heat pump. Background Art

[0002] An air source heat pump is an energy-saving device that uses high-level energy to make heat flow from a low-level heat source, air, to a high-level heat source. It is a form of heat pump. As the name suggests, a heat pump is like a pump that can convert low-level thermal energy that cannot be directly used (such as the heat contained in the air, soil, and water) into usable high-level thermal energy, thereby achieving the purpose of saving some high-level energy (such as coal, gas, oil, electricity, etc.).

[0003] When exhausting air, existing air source heat pumps directly draw in outside air at room temperature for heating. In a low-temperature external environment, when the air source heat pump draws cold air for heat exchange, the evaporator needs to gradually heat it for heat exchange, which will increase the workload of the evaporator in the air source heat pump, causing the efficiency of the air source heat pump to decrease during use. There are impurities in the outside air at room temperature, and it is inconvenient to clean the impurities filtered out on the surface of the internal filter of the air source heat pump after long-term use. Utility Model Content

[0004] To this end, the present invention provides a heat recovery structure for an air source heat pump to solve the problem that when the air source heat pump is exhausting air, it directly draws in the outside normal temperature air for heating. In a low temperature environment outside, when the air source heat pump draws the cold air for heat exchange, the evaporator needs to heat it gradually for heat exchange, which will increase the workload of the evaporator in the air source heat pump, making the efficiency of the air source heat pump reduced when in use. There are impurities in the outside normal temperature air, and it is inconvenient to clean the impurities filtered out on the surface of the internal filter of the air source heat pump after long-term use.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an air source heat pump heat recovery structure, comprising a heat pump body, an air inlet pipe fixedly provided on the top of the heat pump body, a heating pipe section fixedly provided on one side of the air inlet pipe, the heating pipe section fixedly connected to the heat pump body, a spiral heating pipe installed inside the heating pipe section, one end of the spiral heating pipe fixedly connected to an output pipe, the output pipe passes through the heating pipe section, the other end of the spiral heating pipe fixedly connected to a delivery pipe, the delivery pipe passes through the heating pipe section, a heat exhaust pipe fixedly provided on one side of the heat pump body, the delivery pipe fixedly connected to the heat exhaust pipe, and a filter assembly provided on one side of the air inlet pipe.

[0006] Preferably, the filter assembly includes a rotating rod, which passes through the air inlet pipe and is connected to the air inlet pipe through a bearing. The external fixed sleeve of the rotating rod is provided with a cross plate, and two filter plates are provided on one side of the cross plate, one of the filter plates is provided inside the air inlet pipe, and the other filter plate is provided outside the air inlet pipe. A plurality of limit units are provided on one side of the cross plate.

[0007] Preferably, the limiting unit includes a side groove, which is opened on one side of the cross plate, and a square column is connected to the inside of the side groove through a bearing. A baffle is provided on the outside of the square column, and the baffle is in contact with the filter plate. A screw is provided on one side of the square column, and the square column extends into the inside of the screw. The screw passes through the cross plate and is connected to the cross plate through a thread, and a knob is fixedly connected to one end of the screw.

[0008] Preferably, the square column is slidably connected to the screw rod.

[0009] Preferably, a square groove is provided on one side of the rotating rod, a square plate is provided inside the square groove, the square plate extends to the outside of the rotating rod, one end of the square plate is fixedly connected to a rotating plate, a rotating handle is fixed on one side of the rotating plate, two limiting columns are fixed on the other side of the rotating plate, two limiting holes are provided on the top of the air inlet pipe, and the limiting columns extend into the limiting holes.

[0010] Preferably, the square plate slides inside the square groove.

[0011] Preferably, support columns are fixedly provided at the four corners of the bottom of the heat pump body.

[0012] Preferably, the cross plate is in contact with the inner wall of the air inlet pipe.

[0013] The embodiment of the utility model has the following advantages:

[0014] 1. By introducing a spiral heating tube structure, some high-temperature gas can re-enter the heating tube section for preheating. This not only increases the initial temperature of the air entering the heat pump body, but also achieves effective heat recovery. The preheating process reduces the workload of the evaporator, significantly improving the operating efficiency of the air source heat pump in low-temperature environments, thereby saving energy and improving the energy efficiency of the entire system.

[0015] 2. The unique filter assembly design allows users to easily replace or clean clogged filters without interrupting the operation of the heat pump. By turning the handle and limiting post, users can easily remove the filter plate from the air inlet pipe and perform necessary maintenance operations. This greatly improves the availability and maintenance efficiency of the equipment and realizes the rapid installation and firm fixation of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0018] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0019] Figure 2 A partial cross-sectional view of the air inlet pipe provided by the utility model;

[0020] Figure 3 A top sectional view of the air inlet pipe provided by the utility model;

[0021] Figure 4 The utility model provides Figure 2 A magnified view of the structure of the middle part A;

[0022] Figure 5 The utility model provides Figure 3 Enlarged view of the structure of part B in the middle.

[0023] In the figure: 1. Heat pump body; 2. Air inlet pipe; 3. Heating pipe section; 4. Support column; 5. Delivery pipe; 6. Output pipe; 7. Heat exhaust pipe; 8. Cross plate; 9. Filter plate; 10. Screw; 11. Spiral heating pipe; 12. Limiting hole; 13. Rotating rod; 14. Square groove; 15. Rotating handle; 16. Rotating plate; 17. Square plate; 18. Limiting column; 19. Side groove; 20. Square column; 21. Baffle; 22. Knob. DETAILED DESCRIPTION

[0024] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] Refer to the attached Figure 1 -Attached Figure 5 The utility model provides an air source heat pump heat recovery structure, including a heat pump body 1, an air inlet pipe 2 is fixedly provided on the top of the heat pump body 1, a heating pipe section 3 is fixedly provided on one side of the air inlet pipe 2, the heating pipe section 3 is fixedly connected to the heat pump body 1, a spiral heating pipe 11 is installed inside the heating pipe section 3, one end of the spiral heating pipe 11 is fixedly connected to an output pipe 6, the output pipe 6 passes through the heating pipe section 3, the other end of the spiral heating pipe 11 is fixedly connected to a delivery pipe 5, the delivery pipe 5 passes through the heating pipe section 3, and one side of the heat pump body 1 A heat exhaust pipe 7 is fixedly provided, and the delivery pipe 5 is fixedly connected to the heat exhaust pipe 7. A filter assembly is provided on one side of the air inlet pipe 2, and the filter assembly includes a rotating rod 13, which passes through the air inlet pipe 2 and is connected to the air inlet pipe 2 through a bearing. A cross plate 8 is fixedly sleeved on the outside of the rotating rod 13, and two filter plates 9 are provided on one side of the cross plate 8, one of which is provided inside the air inlet pipe 2, and the other is provided outside the air inlet pipe 2. A plurality of limit units are provided on one side of the cross plate 8, and the cross plate 8 is in contact with the inner wall of the air inlet pipe 2;

[0026] In this embodiment, the heat pump body 1 takes in air through the air inlet pipe 2 and the heating pipe section 3. After the air enters the air inlet pipe 2, it is filtered by the filter plate 9 on the cross plate 8 inside the air inlet pipe 2, thereby intercepting and filtering impurities in the air. The air is injected into the heat pump body 1 through the heating pipe section 3 for heat exchange, thereby becoming high-temperature gas and being transported through the heat exhaust pipe 7 to achieve the purpose of heating. Part of the high-temperature gas enters the spiral heating pipe 11 through the transport pipe 5, thereby heating the inside of the heating pipe section 3 through the spiral heating pipe 11, so that the air passing through the heating pipe section 3 is preheated and then enters the heat pump body 1, thereby improving the heating efficiency of the heat pump body 1;

[0027] Among them, in order to achieve the purpose of limiting, this device adopts the following technical scheme: the limiting unit includes a side groove 19, the side groove 19 is opened on one side of the cross plate 8, and a square column 20 is connected to the inside of the side groove 19 through a bearing. The outside of the square column 20 is fixedly sleeved with a baffle 21, and the baffle 21 contacts the filter plate 9. A screw 10 is provided on one side of the square column 20, and the square column 20 extends into the inside of the screw 10. The screw 10 passes through the cross plate 8 and is connected to the cross plate 8 by a thread. One end of the screw 10 is fixedly connected with a knob 22, and the square column 20 is slidably connected to the screw 10. After the filter plate 9 is placed on one side of the cross plate 8, the knob 22 is turned, and the knob 22 drives the screw 10 to rotate. The screw 10 rotates and moves and drives the square column 20 to rotate. The square column 20 drives the baffle 21 to rotate, so that the baffle 21 is rotated out of the side groove 19, and the baffle 21 limits the filter plate 9.

[0028] Among them, in order to achieve the purpose of convenient replacement, the present device adopts the following technical solutions: a square groove 14 is provided on one side of the rotating rod 13, a square plate 17 is provided inside the square groove 14, the square plate 17 extends into the outside of the rotating rod 13, one end of the square plate 17 is fixedly connected to a rotating plate 16, a rotating handle 15 is fixed on one side of the rotating plate 16, and two limiting columns 18 are fixed on the other side of the rotating plate 16. Two limiting holes 12 are provided on the top of the air inlet pipe 2, and the limiting columns 18 extend into the limiting holes 12. The square plate 17 slides inside the square groove 14, controls the rotating handle 15 to move upward, rotates the handle 15 to drive the rotating plate 16 to move upward, and the rotating plate 16 drives the square plate 17 to move upward. The square plate 17 slides in the square groove 14, and the rotating plate 16 The limiting post 18 is driven to move upward, so that the limiting post 18 is disengaged from the limiting hole 12. At this time, the rotating handle 15 can be rotated, and the rotating handle 15 drives the rotating plate 16 to rotate, and the rotating plate 16 drives the square plate 17 to rotate. The square plate 17 drives the rotating rod 13 to rotate, and the rotating rod 13 drives the cross plate 8 to rotate, so that the filter plate 9 that intercepts impurities is rotated out of the air inlet pipe 2, and the clean filter plate 9 installed outside is rotated into the air inlet pipe 2. Then push the rotating handle 15 downward, and the rotating handle 15 drives the rotating plate 16 to move downward. The rotating plate 16 drives the limiting post 18 to insert into the limiting hole 12, so that the cross plate 8 is limited and fixed. At this time, the heat pump body 1 can continue to work, and the filter plate 9 inside the air inlet pipe 2 can continue to filter, which is convenient for disassembly, cleaning or replacement of the filter plate 9 that intercepts impurities.

[0029] In order to achieve the purpose of support, the present device is implemented by adopting the following technical solution: support columns 4 are fixedly provided at the four corners of the bottom of the heat pump body 1 .

[0030] The use process of the present invention is as follows: When using the present invention, the heat pump body 1 enters the air through the air inlet pipe 2 and the heating pipe section 3. After the air enters the air inlet pipe 2, it is filtered by the filter plate 9 on the cross plate 8 inside the air inlet pipe 2, thereby intercepting and filtering the impurities in the air. The air is injected into the heat pump body 1 through the heating pipe section 3 for heat exchange, thereby becoming high-temperature gas and being transported through the heat exhaust pipe 7 to achieve the purpose of heating. Part of the high-temperature gas enters the spiral heating pipe 11 through the transport pipe 5, thereby heating the inside of the heating pipe section 3 through the spiral heating pipe 11. After the air is preheated through the heating pipe section 3, it enters the interior of the heat pump body 1, thereby improving the heating efficiency of the heat pump body 1. When the filter plate 9 intercepts too many impurities and causes blockage, the control is to rotate the handle 15 upward, and the rotating handle 15 drives the rotating plate 16 to move upward, and the rotating plate 16 drives the square plate 17 to move upward, and the square plate 17 slides in the square groove 14, and the rotating plate 16 drives the limiting column 18 to move upward, so that the limiting column 18 is separated from the limiting hole 12. At this time, the rotating handle 15 can be rotated, and the rotating handle 15 drives the rotating plate 16 to rotate, and the rotating plate 16 drives the square plate 17 to rotate, and the square plate 17 Drive the rotating rod 13 to rotate, and the rotating rod 13 drives the cross plate 8 to rotate, so that the filter plate 9 that has intercepted impurities is rotated out of the air inlet pipe 2, and the clean filter plate 9 installed outside is rotated into the inside of the air inlet pipe 2, and then push the rotating handle 15 downward, and the rotating handle 15 drives the rotating plate 16 to move downward, and the rotating plate 16 drives the limiting column 18 to insert into the limiting hole 12, so as to limit and fix the cross plate 8. At this time, the heat pump body 1 can continue to work, and the filter plate 9 inside the air inlet pipe 2 can continue to filter. Turn the knob 22, and the knob 22 drives the screw 10 to rotate, and the screw 10 rotates and moves and drives the square column 20 to rotate, the square column 20 drives the baffle 21 to rotate, so that the baffle 21 is rotated into the inside of the side groove 19, and the baffle 21 no longer blocks the filter plate 9. At this time, the filter plate 9 that has intercepted impurities can be disassembled, cleaned or replaced without affecting the operation of the heat pump body 1. After placing the filter plate 9 on one side of the cross plate 8, turn the knob 22, the knob 22 drives the screw 10 to rotate, the screw 10 rotates and moves and drives the square column 20 to rotate, the square column 20 drives the baffle 21 to rotate, so that the baffle 21 is rotated out of the inside of the side groove 19, and the baffle 21 limits the filter plate 9.

[0031] The above description is merely a preferred embodiment of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.

Claims

1. An air source heat pump heat recovery structure, comprising a heat pump body (1), characterized in that: An air inlet pipe (2) is fixedly provided on the top of the heat pump body (1), a heating pipe section (3) is fixedly provided on one side of the air inlet pipe (2), the heating pipe section (3) is fixedly connected to the heat pump body (1), a spiral heating pipe (11) is installed inside the heating pipe section (3), one end of the spiral heating pipe (11) is fixedly connected to an output pipe (6), the output pipe (6) passes through the heating pipe section (3), the other end of the spiral heating pipe (11) is fixedly connected to a delivery pipe (5), the delivery pipe (5) passes through the heating pipe section (3), a heat exhaust pipe (7) is fixedly provided on one side of the heat pump body (1), the delivery pipe (5) is fixedly connected to the heat exhaust pipe (7), and a filter assembly is provided on one side of the air inlet pipe (2).

2. The air source heat pump heat recovery structure according to claim 1, characterized in that: The filter assembly comprises a rotating rod (13), the rotating rod (13) passes through the air inlet pipe (2) and is connected to the air inlet pipe (2) via a bearing, a cross plate (8) is provided on the outer fixed sleeve of the rotating rod (13), two filter plates (9) are provided on one side of the cross plate (8), one of the filter plates (9) is provided inside the air inlet pipe (2), and the other filter plate (9) is provided outside the air inlet pipe (2), and a plurality of limit units are provided on one side of the cross plate (8).

3. The air source heat pump heat recovery structure according to claim 2, characterized in that: The limiting unit includes a side groove (19), the side groove (19) is opened on one side of the cross plate (8), a square column (20) is connected to the inside of the side groove (19) through a bearing, a baffle (21) is fixedly sleeved on the outside of the square column (20), the baffle (21) is in contact with the filter plate (9), a screw rod (10) is provided on one side of the square column (20), the square column (20) extends into the inside of the screw rod (10), the screw rod (10) passes through the cross plate (8) and is connected to the cross plate (8) by a thread, and a knob (22) is fixedly connected to one end of the screw rod (10).

4. The air source heat pump heat recovery structure according to claim 3, characterized in that: The square column (20) is slidably connected to the screw rod (10).

5. The air source heat pump heat recovery structure according to claim 2, characterized in that: A square groove (14) is provided on one side of the rotating rod (13), a square plate (17) is provided inside the square groove (14), the square plate (17) extends into the outside of the rotating rod (13), one end of the square plate (17) is fixedly connected to a rotating plate (16), a rotating handle (15) is fixedly provided on one side of the rotating plate (16), and two limiting columns (18) are fixedly provided on the other side of the rotating plate (16), two limiting holes (12) are provided on the top of the air inlet pipe (2), and the limiting columns (18) extend into the limiting holes (12).

6. The air source heat pump heat recovery structure according to claim 5, characterized in that: The square plate (17) slides inside the square groove (14).

7. The air source heat pump heat recovery structure according to claim 1, characterized in that: Support columns (4) are fixedly provided at the four corners of the bottom of the heat pump body (1).

8. The air source heat pump heat recovery structure according to claim 2, characterized in that: The cross plate (8) is in contact with the inner wall of the air inlet pipe (2).

Images