CN216976905U - Heat energy self-balancing device based on ground source heat pump system - Google Patents
Heat energy self-balancing device based on ground source heat pump system Download PDFInfo
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- CN216976905U CN216976905U CN202220188079.5U CN202220188079U CN216976905U CN 216976905 U CN216976905 U CN 216976905U CN 202220188079 U CN202220188079 U CN 202220188079U CN 216976905 U CN216976905 U CN 216976905U
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Abstract
The utility model belongs to the technical field of ground source heat pump heat exchange, in particular to a heat energy self-balancing device based on a ground source heat pump system, which solves the technical problems in the background art and comprises a host unit of the ground source heat pump system and an underground water collector of the ground source heat pump system, wherein a case is arranged outside the host unit, an air inlet and an air outlet are reserved on the case, an induced draft fan is arranged at the air outlet, a copper pipe fin heat exchanger is arranged inside the air inlet, a water pump is arranged at a water outlet of the underground water collector, a water outlet of the water pump is respectively connected to a heat exchange medium inlet of the copper pipe fin heat exchanger and a water inlet of the host unit through a first tee joint, and a heat exchange medium outlet of the copper pipe fin heat exchanger is respectively connected to the water inlet of the host unit and the water inlet of the underground water collector through a second tee joint. The utility model solves the problem of unbalanced heat energy of a ground source heat pump system, avoids insufficient heat supply and realizes self-balance of the heat energy of the buried water collector.
Description
Technical Field
The utility model belongs to the technical field of ground source heat pump heat exchange, and particularly relates to a heat energy self-balancing device based on a ground source heat pump system.
Background
The ground source heat pump is a brand new renewable clean energy which is created in recent years in China and provides a technical system for refrigerating, heating and supplying hot water for buildings. The method has the characteristics of low operation cost, no pollution and zero emission, and is a new industry which is emphasized and popularized in the fourteen-five planning of China. The ground source heat pump system is used as a low-carbon, environment-friendly and energy-saving heat supply and refrigeration air conditioning mode, and is a main mode for heat supply and refrigeration in novel urbanization and new rural construction. The maximum characteristic of the ground source heat pump system of the buried pipe requires that the heat pump system can be used in winter and summer, can be used for warming in winter and tonifying in summer, can be used for warming in summer and tonifying in winter and is naturally balanced. However, ground source heat pump systems are established nationwide at present, and some transformation projects are limited to heating in winter. Particularly in high and cold regions such as northeast and northwest, the temperature of the ground pipe ground source heat pump system for single heat supply is continuously reduced in real time in winter, and after running for several years, the temperature of the ground pipe water is too low, so that the heat supply capacity is insufficient, and the problem of heat imbalance of the ground pipe ground source heat pump system is caused. Thereby further influencing the large-scale popularization and application of the ground source heat pump technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of unbalanced heat supply of a buried pipe ground source heat pump system, and provides a heat energy self-balancing device based on a ground source heat pump system.
The technical means for solving the technical problems of the utility model is as follows: a heat energy self-balancing device based on a ground source heat pump system comprises a host machine set of the ground source heat pump system and a buried water collector of the ground source heat pump system, wherein a case is arranged outside the host machine set, an air inlet and an air outlet are reserved on the case, an induced draft fan is arranged at the air outlet, a copper tube fin heat exchanger is arranged on the inner side of the air inlet, a water pump is arranged at a water outlet of the buried water collector, a water outlet of the water pump is respectively connected to a heat exchange medium inlet of the copper tube fin heat exchanger and a water inlet of the host machine set through a first three-way joint, a first electromagnetic valve is connected to a heat exchange medium inlet of the copper tube fin heat exchanger, a second electromagnetic valve is connected to a pipeline between the first three-way joint and the water inlet of the host machine set, a heat exchange medium outlet of the copper tube fin heat exchanger is respectively connected to the water inlet of the host machine set and the water inlet of the buried water collector through a second three-way joint, and a third electromagnetic valve is arranged on a pipeline between the second three-way joint and the water inlet of the host machine set, the pipeline between the second three-way joint and the water inlet of the underground water collector is provided with a fourth electromagnetic valve, the outermost side of the air inlet is further provided with a movable door for shielding the air inlet, the movable door is driven by a push rod motor, and a control box for controlling the start and stop of an induced draft fan, the push rod motor, a water pump, a host machine set and each electromagnetic valve is further arranged in the case.
According to the heat energy self-balancing device based on the ground source heat pump system, when the ambient air temperature is higher than the water temperature of the underground water collector, the heat exchange function is automatically started to exchange heat, when the ambient air temperature is lower than the water temperature of the underground water collector, the heat exchange function is automatically closed, in addition, the automatic temperature compensation can be further carried out on the underground water collector in summer, the heat energy self-balancing of the underground water collector is realized, in summer, the automatic temperature compensation can be carried out on the underground water collector, the room can be cooled, in winter, the ground source heat pump is utilized to supply heat to the room, the machine is multifunctional, and the energy-saving and environment-friendly effects are realized.
In winter, when the control box detects that the temperature of the outside air is lower than the water temperature in the underground water collector, under the control of the control box, the second electromagnetic valve is opened, the first electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are closed, and hot water in the underground water collector is directly pumped into a water inlet of a host unit of the ground source heat pump system through a water pump; when the control box detects that the temperature of the outside air is higher than that of the ground source heat pump host machine set, the control box controls the first electromagnetic valve and the third electromagnetic valve to be opened, the second electromagnetic valve is closed and the fourth electromagnetic valve is closed, the control box controls the draught fan and the push rod motor to operate simultaneously, the movable door is opened, the outside hot air enters the case from the air inlet under the driving of the draught fan, the water in the ground source water collector flows into the copper plate fin heat exchanger through the driving of the water pump, the heat exchange between the water in the copper tube fin heat exchanger and the outside hot air occurs, and the copper tube fin heat exchanger sends the water after heat exchange into the water inlet of the host machine set through the third electromagnetic valve. When heat exchange is not needed, the pushing motor drives the movable door to close under the control of the electric cabinet.
In summer, the buried water collector can be subjected to heat compensation, the control box controls the first electromagnetic valve and the fourth electromagnetic valve to be opened, the second electromagnetic valve and the third electromagnetic valve are closed, the control box controls the draught fan and the push rod motor to operate simultaneously, the movable door is opened, external hot air enters the case from the air inlet under the driving of the draught fan, water in the buried water collector flows into the copper-tube fin heat exchanger through the driving of the water pump, heat exchange is carried out between the water in the copper-tube fin heat exchanger and external hot air, and the copper-tube fin heat exchanger sends the water subjected to heat exchange into the buried water collector through the fourth electromagnetic valve until the water temperature in the buried water collector returns to normal.
Preferably, the push rod motor is fixed on the case, the drive end of the push rod motor is connected with the push rod, the movable door is fixed at the front end of the push rod, the push rod is parallel to the copper tube fin heat exchanger, and a plurality of hinge rods used for supporting the push rod to move along a straight line are connected between the push rod and the copper tube fin heat exchanger. The push rod can move forward or backward along the driving direction of the push rod motor under the support of the hinge rod, so that the movable door is opened or closed.
Preferably, an air inlet of the induced draft fan is provided with an air guide cover. The structure is more reasonable.
The utility model has the beneficial effects that: the structure is compact, one machine has multiple purposes, the occupied area is small, and the energy is saved and the environment is protected; the problem of unbalanced heat energy of a ground source heat pump system is solved, and insufficient heat supply is avoided; when the temperature of the ambient air is higher than the water temperature of the underground water collector, the heat exchange function of the underground water collector is automatically started for heat exchange, when the temperature of the ambient air is lower than the water temperature of the underground water collector, the heat exchange function is automatically closed, and the underground water collector can be automatically supplemented with heat in summer, so that the heat energy self-balance of the underground water collector is realized, when the underground water collector is automatically supplemented with heat in summer, a room can be refrigerated, and when the underground water collector is automatically supplemented with heat in winter, a ground source heat pump is used for supplying heat to the room, so that the underground water collector heat pump heat exchanger has a good effect and has good practical application and popularization values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of an internal structure of a thermal energy self-balancing device based on a ground source heat pump system according to the present invention.
Fig. 2 is an enlarged structural schematic diagram of the push rod motor according to the present invention.
In the figure: 1. a host machine set; 2. an underground water collector; 3. a chassis; 4. an air inlet; 5. an air outlet; 6. an induced draft fan; 7. a copper tube fin heat exchanger; 8. a water pump; 9. a first three-way joint; 10. a first solenoid valve; 11. a second solenoid valve; 12. a second three-way joint; 13. a third solenoid valve; 14. a fourth solenoid valve; 15. a movable door; 16. a push rod motor; 17. a control box; 18. a push rod; 19. a hinge lever; 20. an air guide cover.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The heat energy self-balancing device based on the ground source heat pump system comprises a host machine set 1 of the ground source heat pump system and a buried water collector 2 of the ground source heat pump system, a case 3 is arranged on the outer cover of the host machine set 1, an air inlet 4 and an air outlet 5 are reserved on the case 3, an induced draft fan 6 is arranged at the air outlet 5, an air guide cover 20 is arranged at an air inlet of the induced draft fan 6, a copper tube fin heat exchanger 7 is arranged on the inner side of the air inlet 4, a water pump 8 is arranged at a water outlet of the buried water collector 2, a water outlet of the water pump 8 is connected to a heat exchange medium inlet of the copper tube fin heat exchanger 7 and a water inlet of the host machine set 1 through a first three-way joint 9 respectively, a first electromagnetic valve 10 is connected to a heat exchange medium inlet of the copper tube fin heat exchanger 7, a second electromagnetic valve 11 is connected to a pipeline between the first three-way joint 9 and the water inlet of the host machine set 1, and a heat exchange medium outlet of the copper tube fin heat exchanger 7 is connected to a water inlet of the host machine set 1 and the buried water collector through a second three-way joint 12 respectively A water inlet 2, a third electromagnetic valve 13 is arranged on a pipeline between the second three-way joint 12 and the water inlet of the main unit 1, a fourth electromagnetic valve 14 is arranged on a pipeline between the second three-way joint 12 and the water inlet of the underground water collector 2, a movable door 15 for shielding the air inlet 4 is further arranged on the outermost side of the air inlet 4, the movable door 15 is driven by a push rod motor 16, and a control box 17 for controlling the start and stop of an induced draft fan 6, the push rod motor 16, a water pump 8, the main unit 1 and each electromagnetic valve is further arranged in the case 3; the push rod motor 16 is fixed on the case 3, the driving end of the push rod motor 16 is connected with a push rod 18, the movable door 15 is fixed at the front end of the push rod 18, the push rod 18 is parallel to the copper tube fin heat exchanger 7, and a plurality of hinge rods 19 for supporting the push rod 18 to move along a straight line are connected between the push rod 18 and the copper tube fin heat exchanger 7. The push rod 18 is supported by the hinge rod 19 and can move forward or backward in the driving direction of the push rod motor 16, thereby opening or closing the movable door 15. The copper tube fin heat exchanger 7 can be set according to the power of the ground source heat pump host machine set 1, when the power of the copper tube fin heat exchanger and the power of the ground source heat pump host machine set 1 are the same, one heat exchanger can be used, if the power of the ground source heat pump host machine set 1 is larger, a plurality of heat exchangers can be connected in parallel, the heat exchange area is increased, the heat exchange quantity is increased, and the underground heat energy is fully supplemented.
According to the heat energy self-balancing device based on the ground source heat pump system, when the ambient air temperature is higher than the water temperature of the underground water collector 2, the heat exchange function is automatically started to exchange heat, when the ambient air temperature is lower than the water temperature of the underground water collector 2, the heat exchange function is automatically closed, and the underground water collector 2 can be automatically supplemented with heat in summer, so that the heat energy self-balancing of the underground water collector 2 is realized, a room can be refrigerated when the underground water collector 2 is automatically supplemented with heat in summer, and the ground source heat pump is used for supplying heat to the room in winter, so that the heat energy self-balancing device is multifunctional, energy-saving and environment-friendly.
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 utility model 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A heat energy self-balancing device based on a ground source heat pump system comprises a host machine set (1) of the ground source heat pump system and an underground water collector (2), and is characterized in that a case (3) is arranged on an outer cover of the host machine set (1), an air inlet (4) and an air outlet (5) are reserved on the case (3), an induced draft fan (6) is arranged at the air outlet (5), a copper tube fin heat exchanger (7) is arranged on the inner side of the air inlet (4), a water pump (8) is arranged at a water outlet of the underground water collector (2), a water outlet of the water pump (8) is respectively connected to a heat exchange medium inlet of the copper tube fin heat exchanger (7) and a water inlet of the host machine set (1) through a first three-way joint (9), a first electromagnetic valve (10) is connected to the heat exchange medium inlet of the copper tube fin heat exchanger (7), a second electromagnetic valve (11) is connected to a pipeline between the first three-way joint (9) and the water inlet of the host machine set (1), the outlet of a heat exchange medium of the copper tube fin heat exchanger (7) is connected to a water inlet of a host unit (1) and a water inlet of a ground-buried water collector (2) through a second three-way joint (12), a third electromagnetic valve (13) is arranged on a pipeline between the second three-way joint (12) and the water inlet of the host unit (1), a fourth electromagnetic valve (14) is arranged on a pipeline between the second three-way joint (12) and the water inlet of the ground-buried water collector (2), a movable door (15) for shielding an air inlet (4) is further arranged on the outermost side of the air inlet (4), the movable door (15) is driven by a push rod motor (16), and a control box (17) for controlling the start and stop of an induced draft fan (6), the push rod motor (16), a water pump (8), the host unit (1) and each electromagnetic valve is further arranged in a case (3).
2. The heat energy self-balancing device based on the ground source heat pump system as claimed in claim 1, wherein the push rod motor (16) is fixed on the case (3), the driving end of the push rod motor (16) is connected with the push rod (18), the movable door (15) is fixed at the front end of the push rod (18), the push rod (18) is parallel to the copper tube fin heat exchanger (7), and a plurality of hinge rods (19) for supporting the push rod (18) to move along a straight line are connected between the push rod (18) and the copper tube fin heat exchanger.
3. The heat energy self-balancing device based on the ground source heat pump system as claimed in claim 1 or 2, wherein the air inlet of the induced draft fan (6) is provided with an air guiding cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220188079.5U CN216976905U (en) | 2022-01-24 | 2022-01-24 | Heat energy self-balancing device based on ground source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220188079.5U CN216976905U (en) | 2022-01-24 | 2022-01-24 | Heat energy self-balancing device based on ground source heat pump system |
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| CN216976905U true CN216976905U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220188079.5U Active CN216976905U (en) | 2022-01-24 | 2022-01-24 | Heat energy self-balancing device based on ground source heat pump system |
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| CN (1) | CN216976905U (en) |
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- 2022-01-24 CN CN202220188079.5U patent/CN216976905U/en active Active
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