Efficient energy gathering device for middle-deep layer terrestrial heat

By using a hinge plate and lifting seat structure, and by using a servo motor to drive the lead screw and prism to rotate, the problem of fixing the direction of travel of the heat pipe drill bit is solved, and efficient collection of medium-deep geothermal energy is achieved.

CN223709760UActive Publication Date: 2025-12-23GEOPHYSICAL & GEOCHEMICAL SURVEY INSTITUTE OF HUNAN PROVINCE +1
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Patent Information

Application Number
CN202520146108.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-23
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In existing medium-deep geothermal installations, the drill bit of the heat pipe travels in a fixed direction, which cannot be flexibly adjusted, resulting in an inability to accurately reach the geothermal source and affecting energy collection efficiency.

Method used

It adopts a hinge plate and lifting seat structure, and drives the lead screw and prism to rotate through a servo motor. The curvature of the hinge plate is adjusted so that the drill bit can flexibly adjust its direction, ensuring that the heat pipe accurately reaches the geothermal source.

Benefits of technology

It enables flexible adjustment of the heat pipe drill bit, ensuring that the heat pipe can accurately reach the geothermal source and improving energy collection efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223709760U_ABST
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Abstract

The utility model provides an efficient energy gathering device for middle-deep layer terrestrial heat, which relates to the technical field of efficient energy gathering of terrestrial heat, and comprises a guide base, clamping grooves are formed in the bottoms of a plurality of arc-shaped grooves in the side edges of the periphery of the guide base, and the clamping grooves are formed in the cambered surface parts of the arc-shaped grooves of the guide base. A plurality of hinge plates arranged in the direction of the center axis of the guide base are arranged in the clamping groove, and by arranging the hinge plates, the lifting base and the rack, the overall radian of the hinge plates in the corresponding direction can be adjusted by controlling the height of the lifting base and the extension length of the rack; after the heat conduction pipe wrapped with the heat insulation shell moves downwards to the surface of the hinge plate through the arc-shaped groove in the side edge of the guide base, the drill bit at the end stretches out along the radian of the surface of the hinge plate and moves towards the corresponding direction, and it is guaranteed that the heat conduction pipe can accurately reach a geothermal source.
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Description

TECHNICAL FIELD

[0001] The utility model relates to geothermal efficient energy gathering technical field especially relates to a kind of high-efficiency energy-gathering devices for middle-deep geothermal. BACKGROUND

[0002] The development of middle-deep geothermal in China has a history of thousands of years, especially in recent years, the development and utilization of middle-deep geothermal heating has developed rapidly in depth and breadth, and the traditional geothermal device may have low efficiency in collecting middle-deep geothermal energy, which makes it difficult to fully utilize geothermal resources and affects the overall energy collection effect due to poor underground heat conduction.

[0003] Therefore, a kind of high-efficiency energy-gathering devices for middle-deep geothermal in the prior art, publication number CN221724610U, in the process of use, the heat pipe is in contact with the middle-deep geothermal source underground, the heat pipe is wrapped with a heat insulation shell for heat insulation and protection, the heat insulation shell connection is wrapped with rubber foam around the heat pipe and connected to make a certain bending, a part of the connection is wrapped by rotating support, to prevent the bending angle from being too large to damage the internal heat pipe, the limiting ring is connected by rotating support to ensure compact structure and can be bent, the bent part can change the direction of travel through the arc groove in the guide base, when the heat insulation shell and the heat pipe travel underground, the drill bit can break the soil layer in front to make the heat pipe more deeply into the geothermal source.

[0004] However, the arc of the arc groove in the guide base is fixed, so when the heat insulation shell and the heat pipe travel underground, the drill bit can only travel in a fixed direction, so because the drill bit travels in a fixed direction and the underground heat source is unevenly distributed, the part of the drill bit that extends out of the arc groove in the guide base may not reach the designated location. INVENTION CONTENTS

[0005] The utility model aims to solve the problems in the prior art and proposes a high-efficiency energy-gathering device for middle-deep geothermal.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of high-efficiency energy-gathering device for middle-deep geothermal, including guiding base, the several arc grooves groove bottom of guiding base perimeter side edge are all provided with clamping groove, the clamping groove is arranged in the arc surface portion of guiding base arc groove, and the clamping groove is provided with several hinge plates arranged along the direction of guiding base center axis, the adjacent two hinge plates are hinged and swing relative to guiding base center axis, the hinge plate away from the bottom end of guiding base is hinged to the opposite inner wall of clamping groove, the cavity that is communicated with several clamping grooves groove is opened in the position of guiding base center axis, the position of each clamping groove is fixedly installed with guide frame in the cavity bottom, the surface of guide frame is provided with lifting seat sliding along the direction of guiding base center axis, the lifting seat one side extends to the inner wall sliding connection of clamping groove and the rack for pushing the hinge plate swing is inserted on the upper surface of lifting seat.

[0007] Preferably, the guide frame is rotatably connected with a threaded rod penetrating the bottom surface of the lifting seat, and the length direction of the threaded rod is arranged along the sliding direction of the lifting seat.

[0008] Preferably, the guide frame is rotatably connected with a threaded ring engaged with the rack, and the guide frame is rotatably connected with a prism penetrating the lifting seat and sleeved with the inner wall of the threaded ring.

[0009] Preferably, the guide frame is rotatably connected with a threaded ring engaged with the rack, and the guide frame is rotatably connected with a prism penetrating the lifting seat and sleeved with the inner wall of the threaded ring.

[0010] Preferably, the cavity bottom center is fixedly installed with a support seat, the support seat top edge center is fixedly installed with a drive motor, the drive motor main shaft is fixedly installed with a rotating seat, the rotating seat is inserted with a plug seat and the rotating seat surface is fixedly installed with an electric push rod for pushing the plug seat to move.

[0011] Preferably, the cavity center axis is provided with a control line, the control line surface is fixed on the drive motor main shaft, and one end of the control line is in a relaxed state and electrically connected with the plug seat.

[0012] Preferably, the support seat top edge edge is installed with several sockets for inserting the plug seat, and the several sockets correspond to the several guide frames respectively, and the sockets are electrically connected with the two servo motors on the guide frames.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The utility model discloses a hinge plate is set up and lifting seat and rack, and the overall arc of a plurality of hinge plates in the corresponding orientation can be adjusted through the height of the control lifting seat and the extension length of rack, so that the drill bit at the end of the heat pipe wrapped with the heat insulation shell extends along the arc of the hinge plate surface and moves towards the corresponding orientation after moving down to the hinge plate surface through the arc-shaped groove of the guide base, which ensures that the heat pipe can accurately reach the geothermal source.

[0015] 2. The utility model discloses a plug seat is rotated to one of the orientations, and the plug seat is connected with one of the sockets under the extension of the electric push rod, which can realize the operation of the two servo motors on the guide frame in the corresponding orientation, the rotation of the lead screw and the prism, and the lifting of the lifting seat or the movement of the rack in the corresponding orientation, thereby reducing the number of wire harnesses in the cavity and facilitating layout and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the high-efficiency energy-gathering device for middle-deep geothermal is provided for the utility model;

[0017] Figure 2 A structure schematic diagram of the guide base of the high-efficiency energy-gathering device for middle-deep geothermal is provided for the utility model;

[0018] Figure 3 A three-dimensional structure schematic diagram of the high-efficiency energy-gathering device for middle-deep geothermal is provided for the utility model; Figure 2

[0019] Figure 4 A zoomed-in view of the middle A is provided for the utility model; Figure 3

[0020] Legend: 1, guide frame; 2, guide base; 3, clamping groove; 4, hinge plate; 5, support seat; 6, control wire; 7, lead screw; 8, drive motor; 9, rotating seat; 10, plug seat; 11, socket; 12, prism; 13, gear ring; 14, rack; 15, lifting seat; 16, servo motor; 17, electric push rod; 18, cavity. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and examples. It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.​​

[0023] As Figures 1-4 shown, a high-efficiency energy-gathering device for medium-deep geothermal energy includes a guide base 2. The present scheme improves the deficiencies of the "arc-shaped slot in the guide base" in the prior art, so the other parts associated with the "guide base" in the prior art are not drawn. For specific structure, refer to the high-efficiency energy-gathering device for medium-deep geothermal energy disclosed in the background art, with publication number CN221724610U.

[0024] The bottom of each arc-shaped slot on the four sides of the guide base 2 is provided with a clamping groove 3. The clamping groove 3 is arranged on the arc surface of the arc-shaped slot of the guide base 2, and a plurality of hinge plates 4 are arranged in the clamping groove 3 along the central axis direction of the guide base 2. In use, the heat-conducting pipe wrapped with a heat-insulating shell moves downward through the arc-shaped slot on the side of the guide base 2 to the surface of the hinge plate 4, and the drill bit at the end slides along the surface of the hinge plate 4. Adjacent two hinge plates 4 are hinged and swing relative to the central axis of the guide base 2. The hinge plate 4 away from the bottom end of the guide base 2 is hinged to the opposite inner wall of the clamping groove 3. By controlling the overall curvature of the hinge plate 4, the angle of the drill bit when it is extended can be controlled. A cavity 18 is provided at the central axis of the guide base 2 and is in communication with the clamping grooves 3. A guide frame 1 is fixedly installed at the position of the cavity bottom close to each clamping groove 3. The surface of the guide frame 1 is provided with a lifting seat 15 sliding along the central axis direction of the guide base 2. One side of the lifting seat 15 extends to the inner wall of the clamping groove 3 in sliding connection, and a rack 14 for pushing the hinge plate 4 to swing is inserted into the upper surface of the lifting seat 15. In actual operation, the rack 14 is moved on the surface of the lifting seat 15 to the corresponding direction of the clamping groove 3, one end of the rack 14 pushes the hinge plate 4 at the corresponding position to swing, and the characteristics of the hinge plates 4 in the same direction clamping groove 3 are used to realize the arc-shaped arrangement of the hinge plates 4. By controlling the height of the lifting seat 15 and the extension length of the rack 14, the overall curvature of the hinge plates 4 in the corresponding direction can be adjusted.

[0025] In order to ensure the smooth lifting of the lifting seat 15 and the movement of the driving rack 14: the guide frame 1 is rotatably connected with a threaded rod 7 penetrating the bottom surface of the lifting seat 15, the length direction of the threaded rod 7 is arranged along the sliding direction of the lifting seat 15, by driving the threaded rod 7 to rotate, the lifting of the lifting seat 15 under the auxiliary action of the guide frame 1 can be realized; the guide frame 1 is rotatably connected with a gear ring 13 meshing with the rack 14, and the guide frame 1 is rotatably connected with a prism 12 penetrating the lifting seat 15 and sleeved with the inner wall of the gear ring 13, when the lifting seat 15 is lifted, the gear ring 13 on the surface of the lifting seat 15 is lifted on the surface of the prism 12, and the contact part between the surface of the lifting seat 15 and the guide frame 1 and the prism 12 is a hole, which is convenient for ensuring the smooth rotation of the prism 12, without affecting the lifting of the lifting seat 15, at the same time, the insertion with the inner wall of the gear ring 13 realizes the rotation of the gear ring 13 on the lifting seat 15, and then realizes the movement of the meshing rack 14; two servo motors 16 are installed on the top of the guide frame 1, and the two servo motors 16 are respectively used to drive the rotation of the threaded rod 7 and the prism 12.

[0026] In order to reduce the number of wire harnesses: a support seat 5 is fixedly installed at the center of the cavity bottom of the cavity 18, a driving motor 8 is fixedly installed at the top edge center of the support seat 5, a rotating seat 9 is fixedly installed on the main shaft of the driving motor 8, a plug seat 10 is inserted on the rotating seat 9 and an electric push rod 17 for pushing the plug seat 10 to move is fixedly installed on the surface of the rotating seat 9, by driving the rotating seat 9 to rotate by the driving motor 8, the plug seat 10 installed on the rotating seat 9 can change the direction, and after the direction is changed, the plug seat 10 can move by the elongation of the electric push rod 17; a control line 6 is arranged at the center axis of the cavity 18, the surface of the control line 6 is fixed on the main shaft of the driving motor 8, one end of the control line 6 is in a relaxed state and electrically connected with the plug seat 10, a plurality of sockets 11 for inserting with the plug seat 10 are installed on the top edge of the support seat 5, the plurality of sockets 11 correspond to the plurality of guide frames 1 respectively and the sockets 11 are electrically connected with the two servo motors 16 on the guide frames 1, three power lines can be arranged in the control line 6, and two plugs are arranged on the plug seat 10, so that the three power lines in the control line 6 are electrically connected with the two plugs in the plug seat 10 respectively, and the corresponding plurality of sockets 11 are distributed in an annular array around the driving motor 8 and have two insertion grooves, and the two insertion grooves in the socket 11 are electrically connected with the two servo motors 16 on the guide frame 1 in the same direction through wires, so that after the plug seat 10 is inserted with one of the sockets 11 due to the elongation of the electric push rod 17, the two servo motors 16 on the guide frame 1 in the corresponding direction can be operated, the threaded rod 7 and the prism 12 can be rotated, or a storage battery can be installed below the support seat 5 to supply power remotely, without laying a long control line 6.

[0027] The working principle is that the guide base 2 is installed in a hole, the heat conducting pipe wrapped with the heat insulation shell and provided with a drill bit at the end is inserted into the geothermal well along one of the arc-shaped grooves on the side of the guide base 2, when approaching the hinge plate 4, the orientation of the geothermal source is detected by a known device, the driving motor 8 drives the rotating base 9 to rotate to change the orientation of the plug base 10, the plug base 10 is moved to the corresponding orientation by the extension of the electric push rod 17, the two servo motors 16 are powered to rotate the screw rod 7, the driving screw rod 7 is rotated to adjust the height of the lifting base 15 under the assistance of the guide frame 1, then the prismatic 12 is driven to rotate, the gear ring 13 is rotated on the lifting base 15, the rack 14 is moved, the hinge plate 4 at the corresponding position is swung by the end of the rack 14, the hinge plates 4 in the same orientation are hinged to form an arc-shaped structure, and the heat conducting pipe wrapped with the heat insulation shell is moved to the surface of the hinge plate 4 through the arc-shaped groove on the side of the guide base 2, and the drill bit at the end is extended along the arc of the hinge plate 4 and moves towards the corresponding orientation.

[0028] The wiring diagram of the driving motor 8, the servo motor 16 and the electric push rod 17 in the utility model is common knowledge in the field, and the working principle is a known technology, and the type is selected according to actual use, so the control mode and wiring arrangement of the driving motor 8, the servo motor 16 and the electric push rod 17 are not explained in detail.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms, and any skilled person in the art can change or modify the above disclosed technology content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the protection scope of the utility model technical scheme.

Claims

1. A high-efficiency shaped charge for medium-depth geothermal applications, comprising a guiding base (2), characterized in that: The bottom of the arc-shaped groove of the guide base (2) is provided with a clamping groove (3), the clamping groove (3) is arranged on the arc surface of the arc-shaped groove of the guide base (2), a plurality of hinge plates (4) are arranged in the clamping groove (3) along the central axis direction of the guide base (2), the adjacent two hinge plates (4) are hinged and swing relative to the central axis of the guide base (2), the hinge plate (4) away from the bottom end of the guide base (2) is hinged to the opposite inner wall of the clamping groove (3), a cavity (18) is arranged at the central axis of the guide base (2) and communicates with the clamping grooves (3), a guide frame (1) is fixedly installed at the position close to the cavity bottom of each clamping groove (3), the surface of the guide frame (1) is provided with a lifting seat (15) sliding along the central axis direction of the guide base (2), and the lifting seat (15) is connected with the inner wall of the clamping groove (3) through sliding and the lifting seat (15) is provided with a rack (14) for driving the hinge plate (4) to swing.

2. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: The guide frame (1) is rotatably connected with a screw rod (7) penetrating the bottom surface of the lifting seat (15), and the length direction of the screw rod (7) is arranged along the sliding direction of the lifting seat (15).

3. The high-efficiency shaped charge for medium-depth geothermal according to claim 2, characterized in that: The guide frame (1) is rotatably connected with a gear ring (13) engaged with the rack (14), and the guide frame (1) is rotatably connected with a prism (12) penetrating the lifting seat (15) and sleeved with the inner wall of the gear ring (13).

4. The high-efficiency shaped charge for medium-depth geothermal according to claim 3, characterized in that: Two servo motors (16) are installed on the top of the guide frame (1), and the two servo motors (16) are used to drive the rotation of the screw rod (7) and the prism (12) respectively.

5. The high-efficiency shaped charge for medium-depth geothermal according to claim 1, characterized in that: A support seat (5) is fixedly installed at the center of the cavity bottom (18), a driving motor (8) is fixedly installed at the top edge of the support seat (5), a rotating seat (9) is fixedly installed on the main shaft of the driving motor (8), a plug seat (10) is inserted into the rotating seat (9), and an electric push rod (17) is fixedly installed on the surface of the rotating seat (9) and used to drive the plug seat (10) to move.

6. The high-efficiency shaped charge for medium-depth geothermal use according to claim 5, characterized in that: A control line (6) is arranged at the central axis of the cavity (18), the control line (6) is fixedly arranged on the main shaft of the driving motor (8), and one end of the control line (6) is in a relaxed state and electrically connected with the plug seat (10).

7. The high-efficiency shaped charge for medium-depth geothermal according to claim 5, characterized in that: A plurality of sockets (11) are installed on the top edge of the support seat (5) and used to be inserted into the plug seat (10), and the plurality of sockets (11) correspond to the plurality of guide frames (1) respectively and are electrically connected with the two servo motors (16) on the guide frames (1).

Citation Information

Patent Citations

  • Efficient energy gathering device for middle-deep layer terrestrial heat

    CN221724610U