Shallow geothermal energy heat exchange sheet structure

Abstract

The utility model discloses a shallow geothermal energy heat exchange sheet structure, which relates to the field of geothermal energy heat exchange, and comprises a pipe body, a heat exchange sleeve sleeved on the periphery of the pipe body, a hollow heat exchange plate arranged on the outer side of the heat exchange sleeve, a heat conduction cavity arranged in the heat exchange plate, a plurality of pairs of metal balls embedded on the cavity wall of the heat exchange plate, and a pressing piece arranged between each pair of metal balls, when the surface soil layer vibrates, the pressing piece applies extrusion force to the metal ball, and the metal ball rotates on the cavity wall of the heat exchange plate; according to the structure, the pipe body is sleeved with the heat exchange sleeve, heat in the shallow earth surface is partially collected through the metal balls located on the outer side of the heat exchange plate, when the pressing piece is vibrated by the coating, the pressing piece can rotate the spherical surfaces of the metal balls collecting the heat to the heat conduction cavity, finally, the heat is transmitted to the pipe body through the heat exchange sleeve, and therefore the heat exchange effect of the buried pipe is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of geothermal energy heat exchange, more particularly, relates to a shallow geothermal energy heat exchange sheet structure. BACKGROUND

[0002] Shallow geothermal heating utilizes the heat energy stored in the underground shallow geothermal energy, and through the ground source heat pump system, the low temperature heat energy in the ground is lifted to the temperature required by the building, and the heat is supplied to the interior of the building through the heating equipment. The ground source heat pump system is the core component of the shallow geothermal heating, which is composed of ground source heat pump, water circulation system and heat exchanger and other components. The ground source heat pump utilizes the working principle of compressor and heat exchanger to extract the low temperature heat energy in the ground to the building, and utilizes the compressor to compress and heat it, and then transmits the heat energy to the heating equipment through the heat exchanger, so as to realize heating.

[0003] However, in the process of utilizing shallow geothermal energy, the heat exchange pipe is stretched from the geothermal well mouth, and the heat exchange pipe exchanges geothermal energy. When the water flows through the heat exchange pipe in the horizontal section of the stratum, the heat exchange pipe in this section is prone to vibration due to water hammer effect, which affects the firmness of the heat exchange pipe connection on the one hand, and the single pipe body is prone to poor heat exchange effect of the heat exchange pipe on the other hand.

[0004] Therefore, it is necessary to provide a new shallow geothermal energy heat exchange sheet structure on the heat exchange pipe body to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of shallow geothermal energy heat exchange sheet structures, the structure is set in pipe body using heat exchange sleeve, heat is collected in shallow layer of surface by the metal ball part located at the outer side of heat exchange plate, when pressing piece is subjected to coating vibration, pressing piece will be the metal ball surface of heat collection is transferred to heat conduction cavity, finally, heat is transferred to pipe body by heat exchange sleeve, so that the heat exchange effect of buried pipe is greatly improved.

[0006] In order to achieve the above purpose, the utility model provides a shallow geothermal energy heat exchange sheet structure, comprising:

[0007] Pipe body, outer circumferential heat exchange sleeve is set, the outer side of the heat exchange sleeve is provided with hollow heat exchange plate, the heat exchange plate is provided with heat conduction cavity, and a plurality of metal balls are embedded in the cavity wall of the heat exchange plate. When the surface soil layer vibrates, the pressing piece applies extrusion force to the metal ball, and the metal ball rotates on the cavity wall of the heat exchange plate.

[0008] Optionally, a plurality of embedding holes are provided on the cavity wall of the heat exchange plate, and each metal ball is arranged in an embedding hole.

[0009] Optionally, the metal ball has the same spherical surface area outside the heat exchange plate and inside the heat conduction cavity.

[0010] Optionally, the pressing member comprises an arcuate rubber holder and a contact piece, the arcuate rubber holder is arranged outside the heat exchange plate, the arcuate rubber holder is arranged between a pair of the metal balls, and each side of the arcuate rubber holder close to the metal ball is connected with one end of the contact piece respectively, and the other end of the contact piece abuts against the spherical surface of the metal ball.

[0011] Optionally, the heat exchange plate is arranged along the horizontal direction in the surface soil layer, and a plurality of pairs of the metal balls and the pressing members are arranged on the cavity walls on the upper and lower sides of the heat exchange plate.

[0012] Optionally, a plurality of U-shaped metal rods are arranged on the end surface of the heat exchange plate.

[0013] Optionally, the U-shaped metal rods are uniformly arranged on the heat exchange plate, and the arrangement direction of the U-shaped metal rods is parallel to the axial direction of the heat exchange sleeve.

[0014] Optionally, two heat exchange plates are arranged on the outer periphery of the heat exchange sleeve in correspondence, and the heat conduction cavity is in communication with the inner side of the heat exchange sleeve.

[0015] Optionally, the metal ball is a steel ball.

[0016] Optionally, a plurality of annular grooves are arranged on the pipe body at intervals, and the heat exchange sleeve is sleeved on the outer periphery of the annular grooves.

[0017] The shallow geothermal energy heat exchange plate structure has the advantages that:

[0018] 1. The heat exchange sleeve with the heat exchange plate is sleeved and arranged on the horizontal buried pipe section of the stratum, so that the heat exchange plate on the heat exchange sleeve can increase the contact area of the pipe body and the underground soil layer, the position of the heat exchange sleeve is limited by the annular grooves, the heat exchange of the pipe body is more stable, and the heat collection area of the pipe body is also increased.

[0019] 2. When the soil layers above and below the pipe body vibrate, the arcuate rubber holder is pressed to drive the contact piece to push the metal ball to rotate, so that the metal ball in the heat conduction cavity can rotate to the outside of the heat exchange plate, and the metal ball on the outside of the heat exchange plate rotates into the heat conduction cavity, so that heat is transmitted to the heat exchange sleeve through the heat conduction cavity, the heat exchange effect of the buried pipe is greatly improved, and in addition, when the heat exchange plate is compressed and deformed due to vibration, the arcuate rubber holder as an elastic structure can effectively reduce the swing amplitude of the pipe body, so that the stability of the installation of the buried pipe is greatly improved.

[0020] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like reference characters refer to like parts throughout the figures, and in which:

[0022] Fig. 1 A structure diagram of a shallow geothermal energy heat exchange sheet structure according to one embodiment of the present application is shown.

[0023] Fig. 2 A structure diagram of the outside of a heat exchange plate according to one embodiment of the present application is shown.

[0024] Fig. 3 A sectional view of the inside of a heat exchange plate according to one embodiment of the present application is shown.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, pipe body; 11, annular groove; 2, heat exchange sleeve; 3, heat exchange plate; 31, heat conduction cavity; 32, embedded hole; 4, steel ball; 5, compression piece; 51, arched rubber frame; 52, contact piece; 6, U-shaped steel rod. DETAILED DESCRIPTION

[0027] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application is more thorough and complete, and to convey the full scope of the present application to those skilled in the art.

[0028] The present application provides a shallow geothermal energy heat exchange sheet structure, comprising:

[0029] The pipe body is provided with a heat exchange sleeve outside, the outside of the heat exchange sleeve is provided with a hollow heat exchange plate, the heat exchange plate is provided with a heat conduction cavity inside, and a plurality of pairs of metal balls are embedded on the cavity wall of the heat exchange plate. When the ground surface soil layer is shaken, the compression piece applies extrusion force to the metal balls, and the metal balls rotate on the cavity wall of the heat exchange plate.

[0030] Specifically, the structure sets the heat exchange sleeve on the pipe body, and the heat exchange plate is connected to the outer periphery of the heat exchange sleeve, air exists in the heat conduction cavity inside the heat exchange plate, the outer side of the heat exchange plate is in contact with the surface soil layer, and the metal ball can collect the heat of the shallow surface when the part of the metal ball on the outer side of the heat exchange plate collects the heat of the shallow surface, the pressing member can push the metal ball when the surface soil layer vibrates, the metal ball on one side of which collects the heat is turned to the heat conduction cavity, the air in the cavity is heat-conducted, and the metal ball on the other side of which is originally turned to the outer side of the heat exchange plate continues to collect the heat of the shallow surface. After each vibration of the surface soil layer, the metal ball transfers the heat to the heat conduction cavity, so that the heat is transferred to the pipe body through the heat conduction cavity and the heat exchange sleeve, and the water in the pipe body is heat-exchanged.

[0031] In the structure, the heat exchange plate can also transfer the heat of the surface soil layer to the heat conduction cavity in addition to the heat transferred to the heat conduction cavity through the rotation of the metal ball. The metal ball added on the heat exchange plate can increase the heat transfer area and thus enhance the heat exchange effect of the water in the pipe body.

[0032] Optionally, the cavity wall of the heat exchange plate is provided with a plurality of embedded holes, and each metal ball is arranged in an embedded hole.

[0033] Optionally, the spherical surface area of the metal ball outside the heat exchange plate and inside the heat conduction cavity is the same.

[0034] Specifically, the heat exchange plate is provided with an embedded hole corresponding to the metal ball, so that the metal ball can rotate in the embedded hole and will not be separated from the embedded hole. In addition, the spherical surface area of the metal ball outside the heat exchange plate and inside the heat conduction cavity is the same, so that when the spherical surface originally outside the heat exchange plate is rotated into the heat conduction cavity, the collected heat can be completely transferred to the air in the heat conduction cavity.

[0035] In one embodiment, one third of the metal ball is located in the heat conduction cavity, and one third of the metal ball is located in the embedded hole.

[0036] Optionally, the pressing member comprises an arched rubber frame and a contact piece. The arched rubber frame is arranged outside the heat exchange plate and between the pair of metal balls. Each side of the arched rubber frame close to the metal ball is connected to one end of the contact piece, and the other end of the contact piece abuts against the spherical surface of the metal ball.

[0037] Specifically, the pressing member includes an arch-shaped rubber holder and a contact piece, each pair of metal balls is arranged at the two ends of the arch-shaped rubber holder, and one end of the contact piece is arranged at the highest point of the arch-shaped rubber holder, and the other end of the contact piece abuts against the top surface of the metal ball, when the arch-shaped rubber holder is pressed by the vibration of the ground soil, the arch-shaped rubber holder is pressed towards the heat exchange plate, the arch-shaped rubber holder drives the contact piece to move towards the heat exchange plate, the contact end of the contact piece drives the metal ball to rotate, so that the heat collecting surface of the metal ball is turned to the heat conducting cavity, thereby transferring heat to the inside of the heat conducting cavity. When the arch-shaped rubber holder is compressed by vibration, the swing amplitude of the pipe body can be effectively reduced, thereby greatly improving the stability of the buried pipe installation.

[0038] Optionally, the heat exchange plate is arranged in the horizontal direction of the ground soil, and a plurality of pairs of metal balls and pressing members are arranged on the upper and lower cavity walls of the heat exchange plate.

[0039] Optionally, the heat exchange sleeve is provided with two heat exchange plates corresponding to the outer periphery, and the heat conducting cavity is in communication with the inner side of the heat exchange sleeve.

[0040] Specifically, the heat exchange plate is arranged on both sides of the heat exchange sleeve, and when the pipe body is placed in the ground soil, the heat exchange plates on both sides are arranged horizontally, so that when the soil vibrates, the pressing members on both sides of the heat exchange plate are pressed, and the pressing members drive the metal balls to rotate, thereby transferring the heat collected by the metal balls to the heat conducting cavity, thereby greatly improving the heat exchange effect of the water in the pipe body.

[0041] Optionally, a plurality of U-shaped metal rods are arranged on the end face of the heat exchange plate.

[0042] Optionally, the U-shaped metal rods are uniformly arranged on the heat exchange plate, and the arrangement direction of the U-shaped metal rods is parallel to the axial direction of the heat exchange sleeve.

[0043] Specifically, a plurality of U-shaped metal rods are arranged on the outer peripheral end face of the heat exchange plate, which is equivalent to the structure of a heat dissipation fin, and the plurality of U-shaped metal rods can increase the area for collecting ground heat, and the U-shaped metal rods transfer the collected heat to the heat exchange plate, and finally to the water in the pipe body, thereby achieving the purpose of improving the heat exchange effect of the water pipe. In addition, the plurality of U-shaped metal rods on the outer periphery of the heat exchange plate can increase the contact area between the entire heat exchange fin structure and the ground soil, thereby further improving the stability of the pipe body.

[0044] Optionally, the metal balls are steel balls.

[0045] Optionally, a plurality of annular grooves are arranged on the pipe body at intervals, and the heat exchange sleeve is arranged outside the annular grooves.

[0046] Specifically, a plurality of annular grooves are arranged on the pipe body, the inner diameter size and the axial length of the heat exchange sleeve are arranged according to the size of the annular grooves, so that the relative position of the heat exchange sleeve and the pipe body can be fixed after the heat exchange sleeve is sleeved on the annular grooves, when the soil layer vibrates, the compression member can be extruded and deformed, thereby driving the rotation of the metal ball, and heat transfer is realized.

[0047] Embodiment

[0048] As Figs. 1 to 3 shown, the utility model provides a shallow geothermal energy heat exchange sheet structure, including:

[0049] The pipe body 1 is sleeved with the heat exchange sleeve 2, the outer side of the heat exchange sleeve 2 is provided with the hollow heat exchange plate 3, the heat exchange plate 3 is provided with the heat conduction cavity 31, and a plurality of pairs of metal balls 4 are embedded on the cavity wall of the heat exchange plate 3, and the compression member 5 is arranged between each pair of metal balls 4, when the surface soil layer vibrates, the compression member 5 applies extrusion force to the metal ball 4, and the metal ball 4 rotates on the cavity wall of the heat exchange plate 3.

[0050] In the embodiment, a plurality of embedding holes 32 are arranged on the cavity wall of the heat exchange plate 3, and each metal ball 4 is arranged in an embedding hole 32.

[0051] In the embodiment, the spherical surface area of the metal ball 4 in the heat exchange plate 3 and the heat conduction cavity 31 is same.

[0052] In the embodiment, the compression member 5 includes the arched rubber frame 51 and the contact piece 52, the arched rubber frame 51 is arranged on the outer side of the heat exchange plate 3, the arched rubber frame 51 is arranged between a pair of metal balls 4, and each side of the arched rubber frame 51 close to the metal ball 4 is connected with one end of the contact piece 52 respectively, and the other end of the contact piece 52 abuts against the spherical surface of the metal ball 4.

[0053] In the embodiment, the heat exchange plate 3 is arranged along the horizontal direction in the surface soil layer, and a plurality of pairs of metal balls 4 and compression members 5 are arranged on the upper and lower cavity walls of the heat exchange plate 3.

[0054] In the embodiment, a plurality of U-shaped metal rods 6 are arranged on the end face of the heat exchange plate 3.

[0055] In the embodiment, the U-shaped metal rods 6 are uniformly arranged on the heat exchange plate 3, and the arrangement direction of the U-shaped metal rods 6 is parallel to the axial direction of the heat exchange sleeve 2.

[0056] In the embodiment, two heat exchange plates 3 are correspondingly arranged on the outer periphery of the heat exchange sleeve 2, and the heat conduction cavity 31 is communicated with the inner side of the heat exchange sleeve 2.

[0057] In the embodiment, the metal ball 4 is a steel ball.

[0058] In the embodiment, a plurality of annular grooves 11 are arranged on the pipe body 1 at intervals, and the heat exchange sleeves 2 are respectively sleeved on the outer periphery of the annular grooves 11.

[0059] In summary, in the use of shallow geothermal energy, the pipe 1 is embedded in the ground as a buried pipe, a plurality of heat exchange sleeves 2 are sleeved on the pipe 1, and heat exchange plates 3 are arranged on both sides of the heat exchange sleeves 2, so that the contact area of the pipe 1 with the underground soil layer is increased, thereby ensuring that the heat exchange of the pipe 1 is more stable, and the heat collection area of the pipe 1 is also increased. The steel balls arranged on the heat exchange plates 3 can increase the area of the heat exchange plates to collect the heat of the shallow ground, and finally the heat exchange sleeves 2 transfer the heat to the pipe 1, thereby enhancing the heat exchange effect of the water in the pipe 1. Since the arched rubber frame 51 is arranged in an elastic structure, when the soil layers above and below the pipe 1 vibrate, the arched rubber frame 51 will be compressed, and then drive the contact piece 52 to push the steel balls to rotate. Thus, the steel balls originally located in the heat conduction cavity 31 are rotated to the outside of the heat exchange plate 3, and the steel balls originally located outside the heat exchange plate 3 are rotated into the heat conduction cavity 31, thereby transferring the heat to the heat exchange sleeve 2 through the heat conduction cavity 31, greatly improving the heat exchange effect of the buried pipe. When the arched rubber frame 51 is compressed due to vibration, the swing amplitude of the pipe 1 can be effectively reduced, thereby greatly improving the stability of the installation of the buried pipe.

[0060] The above has described the embodiments of the present application, and the above description is exemplary and is 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 shallow geothermal energy heat exchange panel structure, characterised in that, The utility model relates to a heat exchange tube for ground surface soil layer, which comprises: a pipe body, an outer periphery of which is sleeved with a heat exchange sleeve, an outer side of the heat exchange sleeve is provided with a hollow heat exchange plate, a heat conduction cavity is formed in the heat exchange plate, a plurality of pairs of metal balls are embedded on the cavity wall of the heat exchange plate, a pressing member is arranged between each pair of metal balls, when the ground surface soil layer vibrates, the pressing member applies extrusion force to the metal balls, and the metal balls rotate on the cavity wall of the heat exchange plate.

2. The shallow geothermal energy heat exchange panel structure according to claim 1, wherein, A plurality of embedded holes are arranged on the cavity wall of the heat exchange plate, and each metal ball is arranged in an embedded hole.

3. The shallow geothermal energy heat exchange panel structure according to claim 2, wherein, The spherical surface area of the metal ball outside the heat exchange plate and in the heat conduction cavity is the same.

4. The shallow geothermal energy heat exchange panel structure according to claim 1, wherein, The pressing member comprises an arched rubber holder and a contact piece, the arched rubber holder is arranged on the outer side of the heat exchange plate, the arched rubber holder is arranged between a pair of metal balls, and each side of the arched rubber holder close to the metal ball is connected with one end of the contact piece, respectively, and the other end of the contact piece abuts against the spherical surface of the metal ball.

5. The shallow geothermal energy heat exchange panel structure according to claim 4, wherein, The heat exchange plate is arranged in the horizontal direction along the ground surface soil layer, and a plurality of pairs of metal balls and pressing members are arranged on the upper and lower cavity walls of the heat exchange plate.

6. The shallow geothermal energy heat exchange panel structure according to claim 1, wherein, A plurality of U-shaped metal rods are arranged on the end surface of the heat exchange plate.

7. The shallow geothermal energy heat exchange panel structure according to claim 6, characterised in that, The U-shaped metal rods are uniformly arranged on the heat exchange plate, and the arrangement direction of the U-shaped metal rods is parallel to the axial direction of the heat exchange sleeve.

8. The shallow geothermal energy heat exchange panel structure according to claim 1, wherein, Two heat exchange plates are arranged on the outer periphery of the heat exchange sleeve in correspondence, the heat conduction cavity is in communication with the inner side of the heat exchange sleeve.

9. The shallow geothermal energy heat exchange panel structure according to claim 1, wherein, The metal ball is a steel ball.

10. The shallow geothermal energy heat exchange panel structure according to claim 1, wherein, A plurality of annular grooves are arranged on the pipe body at intervals, and the heat exchange sleeve is sleeved on the outer periphery of the annular groove, respectively.

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