Ground source heat pump heat exchange pipeline and ground source heat pump system
By embedding metal balls on the outer wall of the heat exchange pipe of the ground source heat pump, the problems of low thermal conductivity and wear are solved, achieving more efficient heat exchange, reducing wear, and extending service life.
Patent Information
- Application Number
- CN202520031738.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The heat exchange pipes in existing ground source heat pump systems are made of plastic, which has a low thermal conductivity and is prone to wear when buried directly in the ground.
Multiple metal balls are embedded in the outer wall of the heat exchange pipe. The metal balls are partially exposed and can rotate, which enhances the thermal conductivity and reduces wear.
It increases the heat exchange area and efficiency, reduces wear on the pipeline during the lowering process, and extends its service life.
Smart Images
Figure CN223855889U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of ground source heat pump, more particularly, relate to a ground source heat pump heat exchange pipeline and ground source heat pump system. BACKGROUND
[0002] The ground source heat pump is a kind of technology for heating and refrigeration using geothermal energy, it is collected by the ground heat exchanger in the ground source heat pump system underground heat energy;Then these heat energy is transferred to the evaporator in the heat pump system, by the refrigerant in evaporator absorbs heat, converts low temperature heat into high temperature heat;Finally, the ground source heat pump transfers high temperature heat energy to indoor air or water system, provides heating or hot water.
[0003] However, the heat exchange pipeline in the ground source heat pump system currently generally adopts plastic pipeline, and the pipeline is mainly used in China PE80 or PE100 material.But the heat transfer coefficient of this kind of pipeline is low, which limits the heat exchange efficiency to a certain extent, thereby causing certain adverse effects on the number, depth of heat exchange well and power consumption of heat pump, and the plastic pipeline is also prone to wear when being placed into the ground straight-buried hole. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of ground source heat pump heat exchange pipelines and ground source heat pump systems to solve the problem that the heat exchange pipeline of ground source heat pump system in prior art adopts plastic pipeline, not only heat transfer coefficient is low, and when being placed into the ground straight-buried hole, it is prone to wear.
[0005] To achieve the above object, the utility model provides a kind of ground source heat pump heat exchange pipeline, comprising:
[0006] Pipe body, the outer wall of the pipe body is provided with a plurality of embedding grooves, a metal ball is rotatably embedded in each embedding groove, part of the metal ball is embedded in the embedding groove, and another part of the metal ball is exposed.
[0007] Optionally, one-third of the metal ball protrudes outside the outer wall of the pipe body.
[0008] Optionally, the material of the pipe body is polyethylene.
[0009] Optionally, the material of the metal ball is copper.
[0010] Optionally, the outer wall of the pipe body is provided with a plurality of annular grooves along the axial direction of the pipe body, and a metal ring is embedded in each annular groove, the inner ring part of the metal ring is embedded in the annular groove, and the outer ring part of the metal ring is exposed.
[0011] Optionally, the material of the metal ring is copper.
[0012] Optionally, the outer ring part of the metal ring and the inner ring part close to the outer ring part are provided with fins extending along the axial direction of the metal ring to form a ring shape.
[0013] Optionally, the two side walls of the ring-shaped groove are provided with clamping grooves, and the fins close to the inner ring part are embedded in the clamping grooves.
[0014] Optionally, a plurality of metal balls on the same circumference of the pipe body form a metal ball group, and the metal ball group and the metal ring are alternately arranged along the axial direction of the pipe body.
[0015] The utility model also provides a ground source heat pump system, including above-mentioned ground source heat pump heat exchange pipeline.
[0016] The utility model provides a ground source heat pump heat exchange pipeline and ground source heat pump system, its beneficial effect lies in: the ground source heat pump heat exchange pipeline is embedded with a plurality of metal balls on the outside of the outer wall of pipe body, and the metal ball at least partially protrudes from the outside of pipe body and exposes, and such setting not only utilizes the good heat conduction performance of metal ball, also improves the heat exchange area of ground source heat pump heat exchange pipeline whole, has the effect of improving heat exchange performance, and because the metal ball rotation is arranged in the embedded groove, when the pipe body is lowered into the straight -buried hole, the metal ball can contact and roll with the hole wall of straight -buried hole, reduce the friction of pipe body, thereby reduce the abrasion of pipe body.
[0017] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS
[0018] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings in which like reference characters typically identify corresponding components throughout the typical embodiment of the utility model.
[0019] Fig. 1 The structure schematic diagram of a ground source heat pump heat exchange pipeline according to one embodiment of the utility model is shown.
[0020] Fig. 2 The local cutaway structure schematic diagram of a ground source heat pump heat exchange pipeline according to one embodiment of the utility model is shown.
[0021] Fig. 3 The structure schematic diagram of the metal ring of a ground source heat pump heat exchange pipeline according to one embodiment of the utility model is shown.
[0022] Explanation of the reference signs:
[0023] 1, pipe body; 1a, embedded groove; 1b, annular groove; 1c, clamping groove; 2, metal ball; 3, metal ring; 31, fin. DETAILED DESCRIPTION
[0024] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application is more complete and complete, and the scope of the present application is fully conveyed to those skilled in the art.
[0025] The present application provides a kind of ground source heat pump heat exchange pipeline, comprising:
[0026] Pipe body, the outer wall of pipe body is provided with multiple embedded grooves, one metal ball is rotatably embedded in each embedded groove, part of metal ball is embedded in embedded groove, another part of metal ball is exposed.
[0027] Specifically, to solve the problem that the heat exchange pipeline of ground source heat pump system in the prior art adopts plastic pipeline, not only the thermal conductivity is low, but also it is easy to be abraded when being lowered into the straight-buried hole;The ground source heat pump heat exchange pipeline provided by the present application has multiple metal balls embedded on the outer side of the outer wall of the pipe body, at least part of the metal ball protrudes from the outer side of the pipe body and is exposed, such arrangement not only utilizes the good thermal conductivity of the metal ball, but also improves the overall heat exchange area of the ground source heat pump heat exchange pipeline, has the effect of improving the heat exchange performance, and because the metal ball is rotatably arranged in the embedded groove, when the pipe body is lowered into the straight-buried hole, the metal ball can contact and roll with the hole wall of the straight-buried hole, reducing the friction of the pipe body, thereby reducing the abrasion of the pipe body.
[0028] Optionally, one-third of the ball of the metal ball extends outside the outer wall of the pipe body.
[0029] Specifically, one-third of the ball of the metal ball extends outside the outer wall of the pipe body, protrudes outward, and the remaining part of the ball is rotatably embedded in the embedded groove, so that the metal ball can rotate while being unable to fall out of the embedded groove.
[0030] Optionally, the material of the pipe body is polyethylene.
[0031] Specifically, other plastic materials can also be used as needed.
[0032] Optionally, the material of the metal ball is copper.
[0033] Specifically, the metal ball can be a copper ball, which has good thermal conductivity.
[0034] Optionally, the outer wall of the pipe body is provided with a plurality of annular grooves spaced along the axial direction of the pipe body, and each annular groove is embedded with a metal ring, and the inner ring part of the metal ring is embedded in the annular groove, and the outer ring part of the metal ring is exposed.
[0035] Specifically, the metal ring is sleeved outside the outer wall of the pipe body and at least partially embedded in the annular groove outside the outer wall of the pipe body, and the arrangement of the metal ring can further improve the heat exchange area and heat exchange performance while improving the pressure resistance of the pipe body.
[0036] Optionally, the metal ring is made of copper.
[0037] Specifically, the metal ring can be a copper ring, which has good thermal conductivity.
[0038] Optionally, the outer ring part and the inner ring part close to the outer ring part of the metal ring are provided with fins extending in the axial direction of the metal ring to form an annular shape.
[0039] Specifically, the fins can further increase the heat exchange area and improve the heat exchange effect.
[0040] Further, each metal ring is provided with a plurality of fins, and the plurality of fins are spaced apart.
[0041] Optionally, the two side groove walls of the annular groove are provided with clamping grooves, and the fins close to the inner ring part are embedded in the clamping grooves.
[0042] Specifically, part of the fins are embedded in the clamping grooves in the groove wall of the annular groove, thereby improving the stability of the metal ring fixed on the pipe body.
[0043] Optionally, a plurality of metal balls on the same circumference of the pipe body form a metal ball group, and the metal ball group and the metal ring are alternately arranged along the axial direction of the pipe body.
[0044] Specifically, each metal ball group includes a plurality of metal balls spaced and uniformly distributed along the circumference of the pipe body, so that each metal ball group also forms an annular arrangement structure, and the annular arrangement structure and the metal ring are alternately arranged along the axial direction of the pipe body, so that the plurality of metal balls and the plurality of metal rings form a protection structure for the pipe body, which can avoid large cracks in the pipe body and improve the service life.
[0045] The utility model also provides a ground source heat pump system which comprises the ground source heat pump heat exchange pipeline.
[0046] Specifically, the ground source heat pump system adopts the ground source heat pump heat exchange pipeline, is lowered into the direct-buried hole, collects the heat energy of the ground, utilizes the plurality of metal balls rotatingly embedded outside the outer wall of the pipe body, improves the heat exchange area and enhances the heat exchange performance, further improves the heat exchange effect, and meanwhile the metal balls can contact and roll with the hole wall of the direct-buried hole in the lowering process of the ground source heat pump heat exchange pipeline, reduce the friction of the pipe body, and thus the abrasion of the pipe body can be reduced.
[0047] Embodiment one
[0048] As Figs. 1 to 3 shown, the utility model provides a ground source heat pump heat exchange pipeline, which comprises:
[0049] The outer wall of the pipe body 1 is provided with a plurality of embedded grooves 1a, one metal ball 2 is rotatingly embedded in each embedded groove 1a, one part of the metal ball 2 is embedded in the embedded groove 1a, and another part of the metal ball 2 is exposed.
[0050] In this embodiment, one third of the metal ball 2 protrudes outside the outer wall of the pipe body 1.
[0051] In this embodiment, the material of the pipe body 1 is polyethylene.
[0052] In this embodiment, the material of the metal ball 2 is copper.
[0053] In this embodiment, the outer wall of the pipe body 1 is provided with a plurality of annular grooves 1b along the axial direction of the pipe body 1, one metal ring 3 is embedded in each annular groove 1b, the inner ring part of the metal ring 3 is embedded in the annular groove 1b, and the outer ring part of the metal ring 3 is exposed.
[0054] In this embodiment, the material of the metal ring 3 is copper.
[0055] In this embodiment, the outer ring part and the inner ring part close to the outer ring part of the metal ring 3 are provided with fins 31, and the fins 31 extend along the axial direction of the metal ring 3 to form an annular shape.
[0056] In this embodiment, the two side groove walls of the annular groove 1b are provided with clamping grooves 1c, and the fins 31 close to the inner ring part of the outer ring part are embedded in the clamping grooves 1c.
[0057] In this embodiment, the plurality of metal balls 2 on the same circumference of the pipe body 1 form a metal ball 2 group, and the metal ball 2 group and the metal ring 3 are alternately arranged along the axial direction of the pipe body 1.
[0058] Embodiment two
[0059] The utility model also provides a ground source heat pump system, including above-mentioned ground source heat pump heat exchange pipeline.
[0060] The above has described various embodiments of the present application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A ground source heat pump heat exchange duct, characterized by, The utility model relates to a heat exchange pipe for ground source heat pump, comprising: a pipe body, an outer wall of the pipe body is provided with a plurality of embedding grooves, one metal ball is rotatably embedded in each embedding groove, a part of the metal ball is embedded in the embedding groove, and another part of the metal ball is exposed.
2. The ground source heat pump heat exchange pipe according to claim 1, wherein, The metal ball has one-third of a spherical body extending outside the outer wall of the pipe body.
3. The ground source heat pump heat exchange pipe according to claim 1, wherein, The material of the pipe body is polyethylene.
4. The ground source heat pump heat exchange pipe according to claim 1, wherein, The material of the metal ball is copper.
5. The ground source heat pump heat exchange pipe according to claim 1, wherein, The outer wall of the pipe body is provided with a plurality of annular grooves along the axial direction of the pipe body, one metal ring is embedded in each annular groove, the inner ring part of the metal ring is embedded in the annular groove, and the outer ring part of the metal ring is exposed.
6. The ground source heat pump heat exchange pipe according to claim 5, wherein, The material of the metal ring is copper.
7. The ground source heat pump heat exchange pipe according to claim 5, wherein, The outer ring part of the metal ring and the inner ring part close to the outer ring part are provided with fins, and the fins extend along the axial direction of the metal ring to form an annular shape.
8. The ground source heat pump heat exchange pipe according to claim 7, characterized in that, The two side groove walls of the annular groove are provided with clamping grooves, and the fins close to the inner ring part of the outer ring part are embedded in the clamping grooves.
9. The ground source heat pump heat exchange pipe according to claim 7, wherein, A plurality of metal balls on the same circumference of the pipe body form a metal ball group, and the metal ball group and the metal ring are alternately arranged along the axial direction of the pipe body.
10. A ground source heat pump system characterised in that, The utility model relates to a heat exchange pipe for ground source heat pump, comprising: a pipe body, an outer wall of the pipe body is provided with a plurality of embedding grooves, one metal ball is rotatably embedded in each embedding groove, a part of the metal ball is embedded in the embedding groove, and another part of the metal ball is exposed. The metal ball has one-third of a spherical body extending outside the outer wall of the pipe body. The material of the pipe body is polyethylene. The material of the metal ball is copper. The outer wall of the pipe body is provided with a plurality of annular grooves along the axial direction of the pipe body, one metal ring is embedded in each annular groove, the inner ring part of the metal ring is embedded in the annular groove, and the outer ring part of the metal ring is exposed. The material of the metal ring is copper. The outer ring part of the metal ring and the inner ring part close to the outer ring part are provided with fins, and the fins extend along the axial direction of the metal ring to form an annular shape. The two side groove walls of the annular groove are provided with clamping grooves, and the fins close to the inner ring part of the outer ring part are embedded in the clamping grooves. A plurality of metal balls on the same circumference of the pipe body form a metal ball group, and the metal ball group and the metal ring are alternately arranged along the axial direction of the pipe body.