CN213334606U

CN213334606U - Constant temperature control system based on ground source heat pump

Info

Publication number: CN213334606U
Application number: CN202022031531.0U
Authority: CN
Inventors: 郭世博; 刘继伟; 寇莲
Original assignee: Hebei Zhongle Energy Technology Co ltd
Current assignee: Hebei Zhongle Energy Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-01
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to a constant temperature control system based on ground source heat pump, it includes geothermal heat exchanger, heat pump set, water storage tank, fan coil system, underfloor heating system, indoor water consumption district is connected to the water storage tank, indoor temperature controller is connected to fan coil system, geothermal heat exchanger includes many U type heat exchange tubes, every the both ends of U type heat exchange tube are connected through water collector and water knockout drum respectively heat pump set's water inlet and delivery port, every the U type heat exchange tube is located the degree of depth and is not less than 5 ~ 15 m's below ground, every the both sides pipe welding of U type heat exchange tube has both ends confined sleeve pipe, pack the conduction oil in the sleeve pipe. The utility model improves the heat exchange efficiency of the U-shaped heat exchange tube by arranging the sleeve on the U-shaped heat exchange tube and filling heat conducting oil in the sleeve; and further, the pipelines are utilized to enable the U-shaped sleeves on the U-shaped heat exchange tubes to form a circulation loop, so that the internal circulation of the heat conduction oil is realized, and the heat exchange efficiency is further improved.

Description

Constant temperature control system based on ground source heat pump

Technical Field

The utility model relates to an indoor control by temperature change technical field especially relates to a constant temperature control system based on earth source heat pump.

Background

At present, with the improvement of the living standard of human beings, the energy consumption and the greenhouse gas emission of heating and refrigeration account for one third of the total amount of the world. The surface shallow geothermal resource is widely used as a renewable clean energy source, and a mature ground source heat pump system is formed through research and development design and comprises a heat exchange tube and a heat pump unit which are buried below the bottom surface. The ground source heat pump machine system can supply heat, air conditioner and domestic hot water, and has multiple functions, and one set of system can replace two sets of devices or systems of the original boiler and air conditioner; can be applied to buildings such as hotels, shopping malls, office buildings, schools and the like, and is more suitable for heating villa residences.

Traditional ground source heat pump system, its heat exchange tube bury in the degree of depth of 5 ~ 10m in the bottom surface, and the heat exchange tube structure has the poor problem of heat exchange efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a can improve the constant temperature control system based on ground source heat pump of the intraductal heat transfer efficiency of heat transfer.

The utility model provides a technical scheme that its technical problem adopted is: constant temperature control system based on earth source heat pump, including geothermal heat exchanger, heat pump set, water storage tank, fan coil system, underfloor heating system, the indoor water district of using is connected to the water storage tank, indoor temperature controller is connected to fan coil system, geothermal heat exchanger includes many U type heat exchange tubes, every the both ends of U type heat exchange tube are connected through water collector and water knockout drum respectively heat pump set's water inlet and delivery port, every in the shaft that the degree of depth is not less than 5 ~ 15m is located to U type heat exchange tube, every the both sides pipe welding of U type heat exchange tube has both ends confined sleeve pipe, pack the conduction oil in the sleeve pipe.

The utility model provides a constant temperature control system based on ground source heat pump in a preferred embodiment, two sheathed tube top still is equipped with conduction oil import and conduction oil export respectively, and two the sleeve pipe bottom is linked together and forms U type sleeve pipe, many U type heat exchange tube U type sleeve pipe is established ties through the pipeline and is formed circulation circuit, be equipped with the circulating pump on the pipeline.

The utility model provides a constant temperature control system based on ground source heat pump's a preferred embodiment, the flow direction of the conduction oil in the U type cover pipe with the flow direction of the water in the U type heat exchange pipe is opposite.

In the utility model provides a constant temperature control system based on ground source heat pump's a preferred embodiment, U type sleeve adopts the copper material to make, just the both sides of U type sleeve are equipped with radiating fin.

Compared with the prior art, the utility model provides a constant temperature control system based on earth source heat pump's beneficial effect is: the utility model improves the heat exchange efficiency of the U-shaped heat exchange tube by arranging the sleeve on the U-shaped heat exchange tube and filling heat conducting oil in the sleeve; the sleeve is further designed into a U-shaped sleeve, the U-shaped sleeves on the U-shaped heat exchange tubes form a circulation loop by using pipelines, the internal circulation of the heat conduction oil is realized, the circulation direction is opposite to the flow direction of water in the U-shaped heat exchange tubes, and the heat exchange efficiency is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural diagram of a ground source heat pump-based thermostatic control system provided by the present invention;

fig. 2 is a buried structural view of the U-shaped heat exchange pipe provided in fig. 1;

fig. 3 is a schematic structural view of a circulation loop formed by a plurality of the U-shaped sleeves provided in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1, the ground source heat pump-based constant temperature control system 1 of the present embodiment includes a geothermal heat exchanger 11, a heat pump unit 12, a water storage tank 13, a fan coil system 14, and a ground heating system 15, where the water storage tank 14 is connected to an indoor water consumption area 20, the fan coil system 14 is connected to an indoor temperature controller 16, the geothermal heat exchanger 11 includes a plurality of U-shaped heat exchange tubes 110, and two ends of each U-shaped heat exchange tube 110 are respectively connected to a water inlet and a water outlet of the heat pump unit 12 through a water collector 17 and a water separator 18. The above-mentioned constant temperature control system of this embodiment is the prior art, and will not be described herein in detail.

The technical characteristics of this embodiment are: referring to fig. 2, each U-shaped heat exchange tube 110 is disposed below the ground with a depth of not less than 5-15 m, two side pipelines of each U-shaped heat exchange tube 110 are welded with sleeves 112 with two closed ends, and the sleeves 112 are filled with heat transfer oil (not shown in the figure), so that heat exchange is performed with water in the U-shaped heat exchange tubes by using good heat transfer performance of the heat transfer oil in the sleeves, and heat exchange efficiency of the U-shaped heat exchange tubes can be improved.

Example two

On the basis of the first embodiment, referring to fig. 3, in this embodiment, a heat conduction oil inlet and a heat conduction oil outlet are further respectively arranged at the top of the two sleeves 112, the bottoms of the two sleeves are communicated to form a U-shaped sleeve, the U-shaped sleeves of the U-shaped heat exchange tubes 110 are connected in series through a pipeline to form a circulation loop, and a circulation pump 19 is arranged on the pipeline. The circulation of the heat conducting oil in the U-shaped sleeves is realized, and the balance of the temperature at each position is ensured.

Preferably, the flow direction of the heat conducting oil in the U-shaped sleeve of the embodiment is opposite to the flow direction of the water in the U-shaped heat exchange tube 110, and the heat exchange efficiency is further improved by using the countercurrent heat exchange principle.

In the above embodiment, the U-shaped sleeve is made of copper material, and the two sides of the U-shaped sleeve are provided with the heat dissipation fins 1120.

When specifically implementing, geothermal heat exchanger can adopt the pre-buried mode of grooving to install, and pipeline and tubing pump are direct pre-buried in the underground, can reserve the manhole, are convenient for maintain.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a constant temperature control system based on ground source heat pump, includes geothermal heat exchanger, heat pump set, water storage tank, fan coil system, underfloor heating system, indoor water consumption district is connected to the water storage tank, indoor temperature controller is connected to fan coil system, geothermal heat exchanger includes many U type heat exchange tubes, every the both ends of U type heat exchange tube are connected through water collector and water knockout drum respectively heat pump set's water inlet and delivery port, its characterized in that: every U type heat exchange tube is located the degree of depth and is not less than 5 ~ 15m the below ground, every the both sides pipe welding of U type heat exchange tube has the sleeve pipe that both ends are confined, fill the conduction oil in the sleeve pipe.

2. The ground source heat pump based thermostat control system of claim 1, characterized in that: the top of the two sleeves is also respectively provided with a heat conduction oil inlet and a heat conduction oil outlet, the bottoms of the two sleeves are communicated to form a U-shaped sleeve, the U-shaped sleeves of the U-shaped heat exchange tubes are connected in series through a pipeline to form a circulation loop, and the pipeline is provided with a circulation pump.

3. The ground source heat pump based thermostat control system of claim 2, characterized in that: the flow direction of the heat conducting oil in the U-shaped sleeve is opposite to the flow direction of the water in the U-shaped heat exchange pipe.

4. The ground source heat pump based thermostat control system of claim 2, characterized in that: the U-shaped sleeve is made of a copper material, and radiating fins are arranged on two sides of the U-shaped sleeve.