CN108444148B - Buried heat exchange system for ground source heat pump air conditioner - Google Patents

Buried heat exchange system for ground source heat pump air conditioner Download PDF

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Publication number
CN108444148B
CN108444148B CN201810227108.2A CN201810227108A CN108444148B CN 108444148 B CN108444148 B CN 108444148B CN 201810227108 A CN201810227108 A CN 201810227108A CN 108444148 B CN108444148 B CN 108444148B
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heat exchange
groove
sleeve
maintenance
exchange tube
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CN108444148A (en
Inventor
刘艺辉
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Hunan Zhongda Jingwei Geothermy Development Technology Co ltd
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Hunan Zhongda Jingwei Geothermy Development Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention relates to the technical field of air conditioners and heat supply, in particular to a buried heat exchange system for a ground source heat pump air conditioner, which comprises a heat exchange tube, a maintenance device, a glue spraying device and a sleeve tube pre-buried in soil, wherein the outer peripheral surface of the sleeve tube is provided with a plurality of water seepage holes, and the heat exchange tube is embedded in the sleeve tube; the maintenance device comprises a maintenance barrel, a guide rail, a clamp for clamping the metal sheet and a cutting knife for cutting the metal sheet; the glue spraying device comprises a glue box and a plurality of spray heads arranged in the accommodating groove; the spray head is communicated with the glue box. The buried heat exchange system for the ground source heat pump air conditioner provided by the invention has the advantages that the maintenance device is used for overhauling the heat exchange pipe, so that the service life of the heat exchange pipe is prolonged, and the heat exchange efficiency is improved.

Description

Buried heat exchange system for ground source heat pump air conditioner
Technical Field
The invention relates to the technical field of air conditioners and heat supply, in particular to a buried heat exchange system for a ground source heat pump air conditioner.
Background
With the development of economy and the improvement of living standard of people, heating and air conditioning of public buildings and houses have become a general requirement. Coal-fired boilers serving as traditional heat supply in China are low in energy utilization rate and can cause serious pollution to the atmosphere, so that coal-fired boilers are gradually eliminated in some cities, and oil-fired and gas-fired boilers are high in operating cost. The ground source heat pump air conditioning system is an alternative mode for solving heat supply and air conditioning, which has great advantages in technology and economy.
A ground source heat pump air conditioning system is a high-efficiency energy-saving environment-friendly air conditioning system which can supply heat and refrigerate by utilizing underground shallow geothermal resources, and is one of central air conditioning systems. The ground source heat pump in the system can realize the transfer of energy from a low-temperature heat source to a high-temperature heat source by inputting a small amount of high-grade energy (electric energy). In winter, the heat in the soil is taken out, and the soil is supplied to the indoor for heating after the temperature is increased; in summer, indoor heat is taken out and released to soil, and the balance of underground temperature can be guaranteed throughout the year, so that the method has the advantages of energy conservation and environmental protection.
The main structure of the ground source heat pump air-conditioning system is shown in fig. 8, and the ground source heat pump air-conditioning system mainly comprises a ground source heat pump unit 10, an air-conditioning tail end 20 and a buried heat exchange system 30, wherein heat transfer is performed by taking water or air as a heat exchange medium among the three, the heat exchange medium between the ground source heat pump unit 10 and the buried heat exchange system 30 is driven to circulate by a buried pipe heat exchange circulating pump 40, and the heat exchange medium between the ground source heat pump unit 10 and the air-conditioning tail end 20 is driven to circulate by an air-conditioning heat exchange circulating; the heat exchange medium between the ground source heat pump unit 10 and the buried heat exchange system 30 is water, and the heat exchange medium with the air conditioner terminal 20 in the building may be water or air.
The existing underground heat exchange system is generally simple in structure, as shown in fig. 8, two heat exchange tubes 1 are generally vertically buried underground, the upper end pipe orifices of the two heat exchange tubes 1 are respectively used as a water inlet and a water outlet of the underground heat exchange system, and the lower ends of the two heat exchange tubes 1 are communicated through a U-shaped bent pipe 60, so that the underground heat exchange system 30 is formed. The prior art has the problem that the heat exchange tube is directly contacted with underground water in soil and can corrode the heat exchange tube. After the heat exchange pipe is used for a period of time, the heat exchange pipe leaks water due to corrosion, and the heat exchange efficiency is reduced. The existing buried heat exchange system has no maintenance device and can not repair rusted heat exchange tubes.
Disclosure of Invention
Aiming at the defects in the prior art, the buried heat exchange system for the ground source heat pump air conditioner provided by the invention has the advantages that the maintenance device is used for overhauling the heat exchange pipe, so that the service life of the heat exchange pipe is prolonged, and the heat exchange efficiency is improved.
The invention provides a buried heat exchange system for a ground source heat pump air conditioner, which comprises a heat exchange pipe, a maintenance device, a glue spraying device and a sleeve pipe pre-buried in soil, wherein a plurality of water seepage holes are formed in the peripheral surface of the sleeve pipe, and the heat exchange pipe is embedded in the sleeve pipe;
the maintenance device comprises a maintenance barrel, a guide rail, a clamp for clamping the metal sheet and a cutting knife for cutting the metal sheet; the maintenance barrel is sleeved outside the heat exchange tube and can rotate around the axis of the heat exchange tube; the top of the inner side of the maintenance barrel is provided with a containing groove, a groove arranged along the radial direction and a containing groove arranged along the circumferential direction; the accommodating groove is positioned at one end of the groove far away from the circle center and is communicated with the groove; the guide rail is arranged in the groove and can slide in the groove along the vertical direction; the clamp is arranged in the accommodating groove and is in sliding connection with the guide rail; the accommodating groove is positioned at one end of the groove close to the circle center; the cutting knife can be slidably arranged in the accommodating groove;
the glue spraying device comprises a glue box and a plurality of spray heads arranged in the accommodating groove; the spray head is communicated with the glue box.
Optionally, an access hole is formed in the bottom of the side wall of the access bucket; the maintenance barrel is hinged with a baffle for opening and closing the maintenance opening; and the baffle is provided with a camera.
Optionally, a grinding wheel is further included; the top of the inner side of the maintenance barrel is provided with a sliding chute arranged along the radial direction; one end of the grinding wheel is inserted into the sliding groove and is in sliding connection with the maintenance barrel, and the other end of the grinding wheel is a free end.
Optionally, a sliding device is further included; the sliding device comprises a supporting member, a pull cable and two driving wheels which are respectively arranged at the upper end and the lower end of the sleeve; a guide groove is formed in the inner side wall of the sleeve; the driving wheel positioned at the bottom of the sleeve is rotationally connected with the sleeve through a torsion spring, and the driving wheel positioned at the top of the sleeve is rotationally connected with the sleeve; two ends of the inhaul cable are respectively fixed on the peripheral surfaces of the two driving wheels, and the inhaul cable is embedded in the guide groove; the supporting member can be sheathed on the heat exchange tube in a sliding way; the supporting component is provided with a boss; the boss is embedded in the guide groove and fixed on the inhaul cable; the overhaul bucket is sleeved outside the heat exchange tube and is rotationally connected with the supporting member.
According to the technical scheme, the invention has the beneficial effects that: the invention provides a buried heat exchange system for a ground source heat pump air conditioner, which comprises a heat exchange pipe, a maintenance device, a glue spraying device and a sleeve pipe pre-buried in soil, wherein a plurality of water seepage holes are formed in the peripheral surface of the sleeve pipe, and the heat exchange pipe is embedded in the sleeve pipe; the maintenance device comprises a maintenance barrel, a guide rail, a clamp for clamping the metal sheet and a cutting knife for cutting the metal sheet; the glue spraying device comprises a glue box and a plurality of spray heads arranged in the accommodating groove; the spray head is communicated with the glue box. The buried heat exchange system for the ground source heat pump air conditioner provided by the invention has the advantages that the maintenance device is used for overhauling the heat exchange pipe, so that the service life of the heat exchange pipe is prolonged, and the heat exchange efficiency is improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 2 at B;
FIG. 4 is a schematic view of a structure of the repair bucket;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;
FIG. 6 is a cross-sectional view taken at D-D of FIG. 4;
FIG. 7 is a cross-sectional view taken at E-E of FIG. 4;
fig. 8 is a schematic structural diagram of a ground source heat pump air conditioning system.
Reference numerals:
1-heat exchange tube, 2-sleeve, 3-maintenance barrel, 4-guide rail, 5-metal sheet, 6-clamp, 7-cutting knife, 8-glue box, 9-spray head, 10-ground source heat pump unit, 20-air conditioner end, 21-water seepage hole, 22-supporting component, 23-stay rope, 24-driving wheel, 25-guide groove, 30-buried heat exchange system, 31-storage groove, 32-groove, 33-storage groove, 34-maintenance opening, 35-baffle, 36-grinding wheel, 37-sliding groove, 38-through hole, 40-buried tube heat exchange circulating pump, 50-air conditioner heat exchange circulating pump, 51-connector, 60-U-shaped bent tube, 61-clamping hole, 62-blind hole, 221-lug boss, 351-camera, 381-sealing rubber ring, 511-card slot, 621-spring, 622-lock post.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in fig. 2 to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 7, the buried heat exchange system for a ground source heat pump air conditioner provided in this embodiment includes a heat exchange tube 1, a maintenance device, a glue spraying device, and a sleeve 2 pre-embedded in soil, wherein a plurality of water seepage holes 21 are formed on the outer peripheral surface of the sleeve 2, and the heat exchange tube 1 is embedded in the sleeve 2;
the maintenance device comprises a maintenance barrel 3, a guide rail 4, a clamp 6 for clamping a metal sheet 5 and a cutting knife 7 for cutting the metal sheet; the maintenance barrel 3 is sleeved outside the heat exchange tube 1 and can rotate around the axis of the heat exchange tube; the top of the inner side of the maintenance barrel 3 is provided with a containing groove 31, a groove 32 arranged along the radial direction and a containing groove 33 arranged along the circumferential direction; the accommodating groove 33 is positioned at one end of the groove far away from the circle center and is communicated with the groove; the guide rail 4 is arranged in the groove and can slide in the groove along the vertical direction; the clamp 6 is arranged in the accommodating groove and is in sliding connection with the guide rail; the accommodating groove 31 is positioned at one end of the groove close to the circle center; the cutting knife 7 can be slidably arranged in the accommodating groove; a through hole 38 is formed in the bottom of the maintenance barrel 3, and a flexible sealing rubber ring 381 is installed in the through hole 38; the heat exchange tube 1 passes through the through hole 38 and extends downwards, the sealing rubber ring 381 is sleeved outside the heat exchange tube 1 and seals the through hole 38;
the glue spraying device comprises a glue box 8 and a plurality of spray heads 9 arranged in the accommodating groove; the spray head 9 is communicated with the glue box 8.
In an initial state, the repair barrel 3 is located outside the casing 2, the cutting knife 7 is received in the receiving groove 31, the guide rail 4 is located at the top of the groove 32, and the clamp 6 is located at the top of the receiving groove 33. The heat exchange tube 1 is positioned in the sleeve 2, and the underground water in the soil enters the sleeve 2 through the water seepage holes 21 to contact with the peripheral surface of the heat exchange tube 1 for heat exchange.
When the heat exchange tube 1 is rusted and needs to be repaired. And pouring metal bonding glue into the glue box 8. Bending the metal sheet 5 for repairing into an L shape; the cross section of the vertical part of the metal sheet 5 is arc-shaped, so that the vertical part of the metal sheet 5 can be tightly attached to the peripheral surface of the heat exchange tube 1. The horizontal portion of the metal sheet 5 is bent in a direction opposite to the vertical portion of the metal sheet 5 to form a connector 51. A plurality of slots 511 are formed on the outer circumferential surface of the connector 51. One end of the clamp 6 is connected with the guide rail 4 in a sliding manner, and the other end of the clamp is provided with a clamping hole 61; the inner side wall of the clamping hole 61 is provided with a plurality of blind holes 62. The blind hole 62 is provided with a spring 621 and a lock cylinder 622. The lock cylinder 622 is slidably connected to the clamp 6 and can be inserted into the slot 511 to be engaged with the connector 51. The spring 621 is connected to the lock cylinder 622 and the clamp 6 at both ends thereof.
Insert sheetmetal 5 in the storage tank 33, lock post 622 inserts in draw-in groove 511 and connector 51 joint. The repair barrel 3 slides into the sleeve 2 along the heat exchange tube 1. The rusted portion of the heat exchange pipe 1 is located in the cavity of the repair barrel 3. At this time, the head 9 sprays the metal bonding paste in the paste tank 8 on the vertical portion of the metal sheet 5. The guide rail 4 slides downwards to make the metal sheet 5 extend out of the accommodating groove 33. And rotating the maintenance barrel 3 to ensure that the vertical part of the metal sheet 5 is arranged right opposite to the rusted part of the heat exchange tube 1. The clamp 6 slides along the guide rail 4 to a side close to the heat exchange pipe 1. Driven by the clamp 6, the vertical part of the metal sheet 5 slides to one side close to the heat exchange tube 1 and is tightly attached to the rusted part of the heat exchange tube 1. The metal sheet 5 is adhered to the outer circumferential surface of the heat exchange tube 1. The cutting blade 7 slides downwards to cut off the metal sheet 5. The maintenance barrel 3 slides out of the sleeve 2 along the heat exchange tube 1 to restore the initial state. And finishing the overhaul of the heat exchange pipe 1. When the maintenance barrel 3 slides upwards along the heat exchange tube 1, the metal sheet 5 extrudes the sealing rubber ring 381, penetrates out of the maintenance barrel 3 from the through hole 38 and is separated from the maintenance barrel 3. The metal sheet 5 is adhered to the outer peripheral surface of the heat exchange tube 1, and the heat exchange tube 1 is overhauled. The buried heat exchange system for the ground source heat pump air conditioner provided by the invention has the advantages that the maintenance device is used for overhauling the heat exchange pipe, so that the service life of the heat exchange pipe is prolonged, and the heat exchange efficiency is improved.
As a further improvement to the above technical solution, the bottom of the sidewall of the repair barrel 3 is provided with an access opening 34; the maintenance barrel 3 is hinged with a baffle 35 for opening and closing the maintenance opening; the baffle 35 is provided with a camera 351. The camera 351 may be connected to a mobile phone and may transmit a captured image to the mobile phone. In the initial state, the shutter 35 closes the access opening 34. The maintenance barrel 3 is sleeved on the heat exchange tube 1, and a closed working space is formed between the maintenance barrel 3 and the heat exchange tube 1. The camera 351 is located in the workspace. When the heat exchange pipe 1 needs to be repaired. The rotating shutter 35 opens the access opening 34. The metal sheet 5 is moved into and out of the work space along the access opening 34, and the metal sheet 5 is connected to the jig 6. The access opening 34 is closed again, closing the working space. Meanwhile, the camera 351 is connected to the mobile phone, and the camera 351 is turned on. The maintenance barrel 3 rotates around the axis of the heat exchange tube 1, and meanwhile, the maintenance barrel 3 slides downwards along the heat exchange tube 1. The camera 351 transmits the photographed image to the mobile phone. The outer peripheral surface of the heat exchange tube 1 was observed by a mobile phone. When a rusted place is found. The maintenance bucket 3 stops sliding, and the maintenance bucket 3 is rotated to enable the vertical part of the metal sheet 5 to be opposite to the rusted place. The repair of the heat exchange pipe 1 is started. After the access hole 34 is closed, a closed working space is formed between the access barrel 3 and the heat exchange tube 1, so that underground water is prevented from entering the working space, the influence of the underground water on the metal bonding glue is reduced, and the heat exchange tube 1 is convenient to repair. The camera 351 is convenient for observing the heat exchange tube 1 and searching the place where the heat exchange tube 1 is rusted.
As a further improvement to the above technical solution, the grinding wheel 36 is further included; the top of the inner side of the maintenance barrel 3 is provided with a sliding chute 37 arranged along the radial direction; one end of the grinding wheel 36 is inserted into the sliding groove and is in sliding connection with the maintenance barrel, and the other end of the grinding wheel is a free end. In the initial state, the grinding wheel 36 is positioned at one end far away from the heat exchange tube 1. When a place where the heat exchange pipe 1 is rusted is found. The grinding wheel 36 is slid along the sliding groove 37 toward the end close to the heat exchange tube 1, so that the grinding wheel 36 is closely attached to the outer peripheral surface of the heat exchange tube 1. The maintenance barrel 3 is rotated, and the grinding wheel 36 rotates around the axis of the heat exchange tube 1 under the driving of the maintenance barrel 3 to polish the rusted place of the heat exchange tube 1. After the polishing is smooth, the grinding wheel 36 slides to the side far away from the heat exchange tube 1, and the initial state is recovered. And then the metal sheet 5 is stuck on the rusted place of the heat exchange tube 1 to finish the repair of the heat exchange tube 1. The heat exchange tube 1 is convenient to polish, and the metal sheet 5 is convenient to adhere.
As a further improvement to the above technical solution, the device further comprises a sliding device; the sliding device comprises a supporting member 22, a guy cable 23 and two driving wheels 24 which are respectively arranged at the upper end and the lower end of the sleeve; a guide groove 25 is formed in the inner side wall of the sleeve 2; the driving wheel positioned at the bottom of the sleeve is rotationally connected with the sleeve through a torsion spring, and the driving wheel positioned at the top of the sleeve is rotationally connected with the sleeve; two ends of the inhaul cable 23 are respectively fixed on the peripheral surfaces of the two driving wheels 24, and the inhaul cable 23 is embedded in the guide groove; the supporting member 22 is slidably sleeved on the heat exchange tube 1; the support member 22 is provided with a boss 221; the boss 221 is embedded in the guide groove 25 and fixed on the inhaul cable; the maintenance barrel 3 is sleeved outside the heat exchange tube and is rotationally connected with the supporting member. In an initial state, one end of the inhaul cable 23 is wound on the peripheral surface of the driving wheel positioned at the top of the sleeve, and the other end of the inhaul cable is fixed on the driving wheel positioned at the bottom of the sleeve. The torsion spring is in a twisted state. When the heat exchange pipe needs to be overhauled. The driving wheel positioned at the top of the sleeve is rotated, the torsion spring restores to a natural state, and the driving wheel positioned at the bottom of the sleeve rotates under the action of the torsion spring. The traction cable 23 is wound around the outer peripheral surface of the transmission wheel at the bottom of the sleeve, and the support member 22 slides downward along the guide groove 25 under the action of the traction cable 23. When the service bucket 3 reaches the place where repair is needed. The driving wheel on the top of the sleeve stops rotating. The support member 22 stops sliding. The repair bucket 3 starts repairing the heat exchange pipe 1. After the repair is completed, the driving wheel 24 located at the top of the sleeve is rotated in the reverse direction. The support member 22 slides upward to return to the original state. Facilitating the control of the sliding of the repair bucket 3.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (4)

1. The utility model provides a bury formula heat transfer system for ground source heat pump air conditioner which characterized in that: the device comprises a heat exchange tube (1), a maintenance device, a glue spraying device and a sleeve (2) embedded in soil, wherein a plurality of water seepage holes (21) are formed in the outer peripheral surface of the sleeve (2), and the heat exchange tube (1) is embedded in the sleeve (2);
the maintenance device comprises a maintenance barrel (3), a guide rail (4), a clamp (6) for clamping a metal sheet (5) and a cutting knife (7) for cutting the metal sheet; the maintenance barrel (3) is sleeved outside the heat exchange tube (1) and can rotate around the axis of the heat exchange tube; the top of the inner side of the maintenance barrel (3) is provided with a containing groove (31), a groove (32) arranged along the radial direction and a containing groove (33) arranged along the circumferential direction;
the accommodating groove (33) is positioned at one end of the groove far away from the circle center and is communicated with the groove; the guide rail (4) is arranged in the groove and can slide in the groove along the vertical direction; the clamp (6) is arranged in the accommodating groove and is in sliding connection with the guide rail; the accommodating groove (31) is positioned at one end of the groove close to the circle center; the cutting knife (7) can be slidably arranged in the accommodating groove;
the glue spraying device comprises a glue box (8) and a plurality of spray heads (9) arranged in the accommodating groove; the spray head (9) is communicated with the glue box (8);
the bottom of the repair barrel is provided with a through hole, and a flexible sealing rubber ring is arranged in the through hole; the heat exchange tube passes through the through hole and extends downwards, and the sealing rubber ring is sleeved outside the heat exchange tube and seals the through hole.
2. The buried heat exchange system for the ground source heat pump air conditioner as claimed in claim 1, wherein: the bottom of the side wall of the maintenance barrel (3) is provided with an access hole (34); the maintenance barrel (3) is hinged with a baffle (35) used for opening and closing the maintenance opening;
and a camera (351) is mounted on the baffle (35).
3. The buried heat exchange system for the ground source heat pump air conditioner as claimed in claim 1, wherein: also includes a grinding wheel (36); the top of the inner side of the maintenance barrel (3) is provided with a sliding chute (37) which is arranged along the radial direction; one end of the grinding wheel (36) is inserted into the sliding groove and is in sliding connection with the maintenance barrel, and the other end of the grinding wheel is a free end.
4. The buried heat exchange system for the ground source heat pump air conditioner as claimed in any one of claims 1 to 3, wherein: the device also comprises a sliding device; the sliding device comprises a supporting member (22), a pull cable (23) and two driving wheels (24) which are respectively arranged at the upper end and the lower end of the sleeve; a guide groove (25) is formed in the inner side wall of the sleeve (2); the driving wheel positioned at the bottom of the sleeve is rotationally connected with the sleeve through a torsion spring, and the driving wheel positioned at the top of the sleeve is rotationally connected with the sleeve; two ends of the inhaul cable (23) are respectively fixed on the peripheral surfaces of the two driving wheels (24), and the inhaul cable (23) is embedded in the guide groove; the supporting member (22) is sleeved on the heat exchange tube (1) in a sliding manner; a boss (221) is arranged on the supporting member (22); the boss (221) is embedded in the guide groove (25) and fixed on the inhaul cable; the maintenance barrel (3) is sleeved outside the heat exchange tube and is rotationally connected with the supporting member.
CN201810227108.2A 2018-03-20 2018-03-20 Buried heat exchange system for ground source heat pump air conditioner Active CN108444148B (en)

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CN116505637B (en) * 2023-06-27 2023-09-01 河北博纳德能源科技有限公司 Energy supply and energy storage system of photovoltaic direct-driven ground source heat pump

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