CN115614802B - Low-temperature heat pump waterway overlapping heat supply system - Google Patents
Low-temperature heat pump waterway overlapping heat supply system Download PDFInfo
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- CN115614802B CN115614802B CN202211644021.8A CN202211644021A CN115614802B CN 115614802 B CN115614802 B CN 115614802B CN 202211644021 A CN202211644021 A CN 202211644021A CN 115614802 B CN115614802 B CN 115614802B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
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Abstract
The invention provides a low-temperature heat pump waterway overlapping heat supply system, which relates to the technical field of heat supply systems and comprises a low-temperature water source heat pump and a low-temperature air source heat pump, wherein the low-temperature water source heat pump is communicated with the low-temperature air source heat pump through a first heating pipeline, the low-temperature water source heat pump is communicated with a source water system, the source water system and the low-temperature air source heat pump are both communicated with a heat exchanger, the heat exchanger is communicated with a heating device, the heating device is communicated with the low-temperature water source heat pump through a second heating pipeline, and through the combined action of the low-temperature air source heat pump and the low-temperature water source heat pump, even if the low-temperature air source heat pump is influenced by severe cold weather conditions, the heating quantity of the low-temperature water source heat pump can be controlled to reach the use requirements of users, so that the technical problems that the efficiency of the air source heat pump is greatly reduced, the heating quantity is low and unstable under the severe cold outdoor weather conditions in northern areas, and the requirements of the users are difficult to meet are solved in the single air source heat supply heat pump heating system.
Description
Technical Field
The invention relates to the technical field of heating systems, in particular to a low-temperature heat pump waterway overlapping heating system.
Background
Influenced by environmental protection policy, after the heat source of the original coal-fired boiler for heating in northern areas is cancelled, electric power is introduced into the heat supply industry as clean energy, and more novel electric power heat supply equipment can be applied, such as an air source heat pump. The single air source heat pump heating system has the advantages that the efficiency of the air source heat pump is reduced under the severe cold outdoor weather condition in the northern area, the heating quantity is low and unstable, and the user requirements are difficult to meet.
Disclosure of Invention
The invention provides a low-temperature heat pump waterway overlapping heat supply system, which is used for solving the technical problems that the efficiency of an air source heat pump is reduced, the heating capacity is low and unstable and the user requirements are difficult to meet under the severe cold outdoor weather condition in northern areas.
In order to solve the technical problem, the invention discloses a low-temperature heat pump waterway overlapping heat supply system which comprises a low-temperature water source heat pump and a low-temperature air source heat pump, wherein the low-temperature water source heat pump is communicated with the low-temperature air source heat pump through a first heating pipeline, the low-temperature water source heat pump is communicated with a source water system, the source water system and the low-temperature air source heat pump are both communicated with a heat exchanger, the heat exchanger is communicated with a heating device, and the heating device is communicated with the low-temperature water source heat pump through a second heating pipeline.
Preferably, the first water outlet of the low-temperature water source heat pump is communicated with the first water inlet of the heating device through the second heating pipeline, the second water outlet of the heating device is communicated with the first water inlet of the heat exchanger through the third heating pipeline, the first water outlet of the heat exchanger is communicated with the first water inlet of the low-temperature air source heat pump through the fourth heating pipeline, and the second water outlet of the low-temperature air source heat pump is communicated with the first water inlet of the low-temperature water source heat pump through the first heating pipeline.
Preferably, the source water system comprises a source water tank, a water outlet of the source water tank is communicated with a water outlet pipeline, the water outlet pipeline is communicated with a second water inlet of the heat exchanger, a second water outlet of the heat exchanger is communicated with a circulation pipeline, the circulation pipeline is communicated with a second water inlet of the low-temperature water source heat pump, a second water outlet of the low-temperature water source heat pump is communicated with a water inlet pipeline, and the water inlet pipeline is communicated with a water inlet of the source water tank.
Preferably, a first power pump is installed on the water inlet pipeline, and a second power pump is installed on the heating pipeline II.
Preferably, the water outlet pipeline and the temperature rise pipeline are both provided with temperature sensors, a passage is communicated between the water outlet pipeline and the circulating pipeline, and a valve is arranged on the passage.
Preferably, the low temperature air source heat pump is provided with a stable lifting seat, the stable lifting seat comprises a base, a lifting cavity is arranged at the upper end of the base, a working cavity is arranged inside the lower end of the base, first belt pulleys are symmetrically arranged on the left side and the right side of the working cavity, the first belt pulleys on the left side and the right side are connected through a conveying belt, the first belt pulleys are fixedly connected with a cylindrical section of a threaded rod, the cylindrical section of the threaded rod penetrates through the upper end of the working cavity and enters the lifting cavity, a threaded section of the threaded rod is connected with a threaded block in a threaded mode, the threaded block is connected with the side end of the lifting cavity in a sliding mode, the cylindrical section of the threaded rod on the left side is fixedly connected with a second gear, the second gear is meshed with the first gear, the first gear is fixedly connected with a motor through a motor shaft, and the motor is fixedly installed at the lower end of the lifting cavity.
Preferably, stabilize lift seat and still include the installation shell, both ends symmetry is equipped with the screw thread piece about the installation shell, the upper end of installation shell is equipped with the installation cavity, both ends symmetry is equipped with the connecting rod about the upside of installation cavity, the connecting rod rotates with the leading wheel and is connected, both ends symmetry is equipped with the fixing base about the middle part of installation cavity, the fixing base rotates with the axis of rotation and is connected, axis of rotation and two fixed connection of turning block and band pulley, the lower extreme of turning block is equipped with the recess, recess and an L type piece sliding connection, and it is fixed to be equipped with spring one between L type piece one and the recess, L type piece one corresponds the cooperation with L type groove, L type groove sets up on the fixed block, the fixed block symmetry sets up both ends about the downside of installation cavity, install low temperature air source heat pump in the installation cavity.
Preferably, the front end of the groove is provided with a first connecting shaft in a penetrating manner, the first connecting shaft is fixedly connected with a third belt wheel and a first bevel gear, the third belt wheel is connected with a second belt wheel through a connecting belt, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a second connecting shaft, the lower end of the second connecting shaft is fixedly connected with a second cam, the second cam is contacted with the vertical end of the first L-shaped block, the upper end of the second connecting shaft penetrates through the upper end of the groove and is fixedly connected with the first external cam, the first cam is contacted with the vertical end of the second L-shaped block, the vertical end of the second L-shaped block is slidably arranged at the upper end of the rotating block, the horizontal end of the second L-shaped block is fixedly connected with a clamping block, the clamping block is slidably connected with a clamping groove, a second spring is fixedly arranged between the clamping block and the clamping groove, and the clamping groove is arranged at one end, which the rotating block is close to each other.
Preferably, the filter screen is installed to the air inlet among the low temperature air source heat pump, and the air inlet passes through quick detach mechanism and is connected with the filter screen, quick detach mechanism includes the through-hole that the air inlet left and right sides symmetry set up, through-hole and cooperation chamber intercommunication, it is equipped with cooperation piece two to slide in the cooperation chamber, and fixed being equipped with a plurality of springs three between cooperation piece two and the cooperation chamber, the slope end of cooperation piece two cooperates the slope end cooperation of piece one with the slope end cooperation of cooperation piece one, cooperation piece one is connected with the side rotation of air inlet, cooperation piece two and the middle part fixed connection of connecting block, the connecting block is close to the one end of spring three and passes through-hole and spread groove cooperation, the spread groove symmetry sets up both ends about the filter screen.
Preferably, the one end that spring three was kept away from to the connecting block is equipped with the connection chamber, it is equipped with the sliding block to slide in the connection chamber, and the fixed spring five that is equipped with between sliding block and the connection chamber, sliding block and action bars fixed connection, five cover of spring are established on the action bars, the one end that cooperation piece two was kept away from in the connection chamber runs through and is equipped with intercommunicating pore one, the one end that spring three was kept away from in the cooperation chamber runs through and is equipped with intercommunicating pore two, the action bars run through intercommunicating pore one and intercommunicating pore two and with external action bars fixed connection, the upper end and the four sliding connection of spring of connecting block, the lower extreme fixed connection of spring four and cooperation piece one, the lower extreme of cooperation piece one still is connected with the latch segment, the latch segment corresponds the cooperation with the connection chamber.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Compared with the prior art, the invention has the following beneficial effects:
the low-temperature air source heat pump in the low-temperature heat pump waterway overlapping heat supply system primarily heats water discharged by the heating device, the low-temperature water source heat pump further heats the water discharged by the low-temperature air source heat pump to meet the use requirement of a user, and through the combined action of the low-temperature air source heat pump and the low-temperature water source heat pump, even if the low-temperature air source heat pump is influenced by severe cold weather conditions to reduce the heating quantity, the heat supply quantity of the heating device can reach the use requirement of the user by controlling the work of the low-temperature water source heat pump, the compression ratio of the air source heat pump is effectively reduced by the work of the low-temperature water source heat pump, so that the heat supply quantity of the heating device can meet the use requirement of the user while the work of the two heat pumps can be kept in a stage with high energy efficiency ratio, and the purpose of energy conservation is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of a stable lifting seat according to the present invention;
FIG. 3 is a schematic view of the internal structure of the mounting housing of the present invention;
FIG. 4 is a schematic view of a quick release mechanism according to the present invention;
fig. 5 is an enlarged schematic view of the region a in fig. 4.
In the figure: 1. a source water pool; 2. a passage; 3. a water outlet pipeline; 4. a heat exchanger; 5. a circulation line; 6. a low temperature water source heat pump; 7. a water inlet pipeline; 8. a first heating pipeline; 9. a low temperature air source heat pump; 10. a second heating pipeline; 11. a heating device; 12. a third heating pipeline; 13. a fourth heating pipeline; 14. a base; 15. a lifting cavity; 16. a thread block; 17. a threaded rod; 18. a first belt wheel; 19. a conveyor belt; 20. a motor shaft; 21. a first gear; 22. a motor; 23. a second gear; 24. a working chamber; 25. mounting a shell; 26. a sixth spring; 27. a mounting cavity; 28. a fixed block; 29. an L-shaped groove; 30. a guide wheel; 31. a connecting rod; 32. a fixed seat; 33. a rotating shaft; 34. a second belt wheel; 35. a control block; 36. a connecting belt; 37. a third belt wheel; 38. a first bevel gear; 39. an operating lever; 40. rotating the block; 41. a card slot; 42. a clamping block; 43. a second spring; 44. a first spring; 45. an L-shaped block I; 46. an L-shaped block II; 47. a first cam; 48. a second connecting shaft; 49. a second bevel gear; 50. an operation block; 51. a second cam; 52. a groove; 53. a filter screen; 54. a second communication hole; 55. a mating cavity; 56. matching the first block; 57. a rotating plate; 58. a locking block; 59. a matching block II; 60. connecting blocks; 61. a third spring; 62. connecting grooves; 63. a fourth spring; 64. a connecting cavity; 65. a slider; 66. and a fifth spring.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the various embodiments may be combined with each other, but must be based on the realization of the capability of a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides the following examples
Example 1
The embodiment of the invention provides a low-temperature heat pump waterway overlapping heat supply system, which comprises a low-temperature water source heat pump 6 and a low-temperature air source heat pump 9, wherein the low-temperature water source heat pump 6 is communicated with the low-temperature air source heat pump 9 through a first heating pipeline 8, the low-temperature water source heat pump 6 is communicated with a source water system, the source water system and the low-temperature air source heat pump 9 are both communicated with a heat exchanger 4, the heat exchanger 4 is communicated with a heating device 11, and the heating device 11 is communicated with the low-temperature water source heat pump 6 through a second heating pipeline 10;
the first water outlet of the low-temperature water source heat pump 6 is communicated with the first water inlet of the heating device 11 through a second heating pipeline 10, the first water outlet of the heating device 11 is communicated with the first water inlet of the heat exchanger 4 through a third heating pipeline 12, the first water outlet of the heat exchanger 4 is communicated with the first water inlet of the low-temperature air source heat pump 9 through a fourth heating pipeline 13, and the first water outlet of the low-temperature air source heat pump 9 is communicated with the first water inlet of the low-temperature water source heat pump 6 through a first heating pipeline 8;
the source water system comprises a source water pool 1, a water outlet of the source water pool 1 is communicated with a water outlet pipeline 3, the water outlet pipeline 3 is communicated with a water inlet II of a heat exchanger 4, a water outlet II of the heat exchanger 4 is communicated with a circulating pipeline 5, the circulating pipeline 5 is communicated with a water inlet II of a low-temperature water source heat pump 6, the water outlet II of the low-temperature water source heat pump 6 is communicated with a water inlet pipeline 7, and the water inlet pipeline 7 is communicated with a water inlet of the source water pool 1;
a first power pump is installed on the water inlet pipeline 7, and a second power pump is installed on the heating pipeline 10;
temperature sensors are arranged on the water outlet pipeline 3 and the third heating pipeline 12, a passage 2 is communicated between the water outlet pipeline 3 and the circulating pipeline 5, and a valve is arranged on the passage 2;
a heating pipeline is communicated between the first water inlet and the first water outlet in the heat exchanger 4, and an active water pipeline is communicated between the second water inlet and the second water outlet in the heat exchanger 4.
The beneficial effects of the above technical scheme are:
a water path in the heating device 11 sequentially passes through a heating pipeline III 12, a heating pipeline in the heat exchanger 4, a heating pipeline IV 13, a low-temperature air source heat pump 9, a water inlet I of the low-temperature water source heat pump 6, a water outlet I of the low-temperature water source heat pump 6 and a heating pipeline II 10 and finally flows back to the heating device 11 to form a heating side circulation, if the detection value of a temperature sensor on the water outlet pipeline 3 is smaller than that of the temperature sensor on the heating pipeline III 12, a valve on a passage 2 is opened, source water flows out through the source water pool 1, sequentially passes through the water outlet pipeline 3, the passage 2, the water inlet II of the low-temperature water source heat pump 6, the water outlet II of the low-temperature water source heat pump 6 and the water inlet pipeline 7 and flows into the source water pool 1 to form a source water side circulation, if the detection value of the temperature sensor on the water outlet pipeline 3 is larger than that of the heating pipeline III 12, the valve of the passage is disconnected, the water inlet II of the heat pump 4 is opened, the source water enters the source pipeline 2 instead of the heating pipeline 4, the heating pipeline 11 is heated, the heat pump pipeline is heated, the heat exchange pipeline between the source heat pump, the heat pump is further heated, and the heat source heat pump 9 is heated, and the heat source heat pump is further heated, and the heat source heat is saved;
when the low-temperature air source heat pump 9 works, outside air enters the low-temperature air source heat pump 9, firstly, heat exchange is carried out through an evaporator, the air with the reduced temperature is discharged out of the low-temperature air source heat pump 9, working medium in the evaporator absorbs heat to be vaporized and is sucked into a compressor, the compressor compresses the low-pressure working medium gas into high-temperature and high-pressure gas and sends the high-temperature and high-pressure gas into a condenser, water in a heating pipeline four 13 enters the low-temperature air source heat pump 9, the high-temperature and high-pressure gas flows into a heating pipeline one 8 after being heated by the working medium through the condenser in the low-temperature air source heat pump 9 and is sent to a low-temperature water source heat pump 6 for further heating, the working medium is cooled into liquid, the liquid flows into the evaporator again after being throttled and cooled by an expansion valve, and the cycle work is repeated;
when the low-temperature water source heat pump 6 works, source water in the circulating pipeline 5 enters the low-temperature water source heat pump 6, firstly, heat exchange is carried out through the evaporator, the source water with the reduced temperature is discharged out of the low-temperature water source heat pump 6, flows into the source water pool 1 through the water inlet pipeline 7 under the action of the power pump I2, working media in the evaporator absorb heat and are vaporized, the working media are sucked into the compressor, the compressor compresses low-pressure working media gas into high-temperature and high-pressure gas, the high-temperature and high-pressure gas is sent into the condenser, water in the warming pipeline I8 enters the low-temperature water source heat pump 6, passes through the condenser in the low-temperature water source heat pump 6, is further heated by the working media and flows into the warming pipeline II 10, the low-temperature working media are sent into the heating device 11 under the action of the power pump II for use, the working media are cooled into liquid, the liquid is throttled and cooled by the expansion valve, and flows into the evaporator again, and the cycle work is repeated;
the low-temperature air source heat pump 9 primarily heats up the water discharged by the heating device 11, the low-temperature water source heat pump 6 further heats up the water discharged by the low-temperature air source heat pump 9, the use requirement of a user is met, through the combined action of the low-temperature air source heat pump 9 and the low-temperature water source heat pump 6, even if the low-temperature air source heat pump 9 is influenced by severe cold weather conditions, the heating quantity of the heating device 11 can reach the use requirement of the user by controlling the work of the low-temperature water source heat pump 6, the compression ratio of the air heat source heat pump 1 is effectively reduced by the work of the low-temperature water source heat pump 6, the heating quantity of the heating device 11 can reach the use requirement of the user while the work of the two heat pumps can be kept in a stage with high energy efficiency ratio, the purpose of energy saving is achieved, the problem of a single air source heat pump heating system is solved, the efficiency of the air source heat pump is greatly reduced under the severe cold outdoor weather conditions in northern areas, the heating quantity is low and unstable, and the technical problem that the user requirement is difficult to meet is solved.
Example 2
On the basis of embodiment 1, as shown in fig. 2 to 3, the low-temperature air source heat pump 9 is provided with a stable lifting seat, the stable lifting seat comprises a base 14, a lifting cavity 15 is arranged at the upper end of the base 14, a working cavity 24 is arranged inside the lower end of the base 14, first belt pulleys 18 are symmetrically arranged on the left side and the right side of the working cavity 24, the first belt pulleys 18 on the left side and the right side are connected through a conveyor belt 19, the first belt pulleys 18 are fixedly connected with a cylindrical section of a threaded rod 17, the cylindrical section of the threaded rod 17 penetrates through the upper end of the working cavity 24 and enters the lifting cavity 15, the threaded section of the threaded rod 17 is in threaded connection with a threaded block 16, the threaded block 16 is in sliding connection with the side end of the lifting cavity 15, the cylindrical section of the threaded rod 17 on the left side is fixedly connected with a second gear 23, the second gear 23 is engaged with the first gear 21, the first gear 21 is fixedly connected with a motor 22 through a motor shaft 20, and the motor 22 is fixedly installed at the lower end of the lifting cavity 15;
the stable lifting seat further comprises a mounting shell 25, threaded blocks 16 are symmetrically arranged at the left end and the right end of the mounting shell 25, six springs 26 are fixedly connected to the lower end of the mounting shell 25, the six springs 26 are fixedly connected with the lower end of the lifting cavity 15, a mounting cavity 27 is arranged at the upper end of the mounting shell 25, connecting rods 31 are symmetrically arranged at the left end and the right end of the upper side of the mounting cavity 27, the connecting rods 31 are rotatably connected with guide wheels 30, fixing seats 32 are symmetrically arranged at the left end and the right end of the middle of the mounting cavity 27, the fixing seats 32 are rotatably connected with a rotating shaft 33, the rotating shaft 33 is fixedly connected with a rotating block 40 and a belt wheel two 34, a groove 52 is arranged at the lower end of the rotating block 40, the groove 52 is slidably connected with a first L-shaped block 45, a first spring 44 is fixedly arranged between the first L-shaped block 45 and the groove 52, the first L-shaped groove 45 is correspondingly matched with the L-shaped groove 29, the L-shaped groove 29 is arranged on the fixing block 28, the fixing block 28 is symmetrically arranged at the left end and the right end of the lower side of the mounting cavity 27, a limiting spring is fixedly arranged between the fixing block 28 and the mounting cavity 27, a low-temperature air source heat pump 9 is arranged in the mounting cavity 27, a fixing block 40, a fixing block 33 is sleeved on the front end of the rotating shaft 27, and a torsion spring 33, and a front fixing block 35, and a front fixing block 33, and a fixing block 35, and a fixing block 33, and a fixing block 35 are connected with the mounting cavity;
the front end of the groove 52 is provided with a first connecting shaft in a penetrating mode, the first connecting shaft is fixedly connected with a third belt wheel 37 and a first bevel gear 38, the third belt wheel 37 is arranged outside, the first bevel gear 38 is arranged in the groove 52, the third belt wheel 37 is connected with a second belt wheel 34 through a connecting belt 36, the first bevel gear 38 is meshed with a second bevel gear 49, the second bevel gear 49 is fixedly connected with a second connecting shaft 48, the lower end of the second connecting shaft 48 is fixedly connected with a second cam 51, the second cam 51 is contacted with the vertical end of the first L-shaped block 45, the upper end of the second connecting shaft 48 penetrates through the upper end of the groove 52 and is fixedly connected with a first external cam 47, the first cam 47 is contacted with the vertical end of the second L-shaped block 46, the vertical end of the second L-shaped block 46 is arranged at the upper end of the rotating block 40 in a sliding mode, the horizontal end of the second L-shaped block 46 is fixedly connected with a clamping block 42, the clamping block 42 is connected with the clamping block 41 in a sliding mode, a second spring 43 is fixedly arranged between the clamping block 42 and the clamping block 41, and the clamping block 41 is arranged at one end, which the rotating block 40 is close to each other.
The beneficial effects of the above technical scheme are:
when the low-temperature air-source heat pump 9 is installed in the installation cavity 27, the low-temperature air-source heat pump 9 is firstly contacted with the guide wheel 30 in the process of being placed in the installation cavity 27 to drive the guide wheel 30 to rotate, the arrangement of the guide block 30 plays a role in guiding and positioning the movement of the low-temperature air-source heat pump 9, as the low-temperature air-source heat pump 9 gradually enters the installation cavity 27, the low-temperature air-source heat pump 9 is contacted with the rotating block 40 to drive the rotating block 40 to rotate downwards, the rotating block 40 drives the rotating shaft 33 to rotate, the torsion spring deforms, the rotating shaft 33 drives the second belt wheel 34 to rotate, the second belt wheel 34 rotates with the third belt wheel 37 through the connecting belt 36, the third belt wheel 37 drives the first bevel gear 38 to rotate through the connecting shaft, the first bevel gear 38 drives the second bevel gear 49 to rotate, the second bevel gear 49 drives the second connecting shaft 48 to rotate, the first cam 47 and the second cam 51 to rotate through the connecting shaft 48, the protruding end of the first cam 47 drives the second L-shaped block 46 to move towards the direction close to each other, the protruding end of the second cam 51 drives the first L-shaped block 45 to move towards the direction close to each other, the first spring 44 is compressed, the second L-shaped block 46 drives the clamping block 42 to move towards the direction close to each other, the second spring 43 is stretched, the first L-shaped block 45 is driven to rotate downwards in the rotating process of the rotating block 40, the first L-shaped block 45 enters the L-shaped groove 29 of the fixed block 28, the rotating block 40 is separated from contact with the low-temperature air source heat pump 9 while the clamping block 42 is in contact with the low-temperature air source heat pump 9, the clamping block 42 positions and fixes the low-temperature air source heat pump 9, so that the low-temperature air source heat pump 9 is installed in the installation cavity 27, the first L-shaped block 45 is matched with the L-shaped groove 29 at the moment, the first L-shaped block 45 is driven to move when the rotating block 40 rotates reversely, the first L-shaped block 45 drives the fixed block 28 to move upwards, the limiting spring is stretched, the elastic action of the limiting spring has a limiting effect on the reverse rotation of the rotating block 40, the connection stability of the fixture block 42 and the low-temperature air source heat pump 9 is improved, the fixture block 42 is a rubber block, and the buffer protection effect can be achieved on the low-temperature air source heat pump 9 while the low-temperature air source heat pump 9 is clamped and fixed;
when the low-temperature air source heat pump 9 is disassembled, the control block 35 is rotated reversely, so that the rotating shaft 33 rotates reversely, the rotating shaft 33 drives the rotating block 40 and the second belt wheel 34 to rotate reversely, when the rotating block 40 rotates reversely, the clamping block 42 further clamps the low-temperature air source heat pump 9, because the clamping block 42 is a rubber block and can deform to a certain degree, the rotating block 40 can rotate at a certain angle under the limiting action of the low-temperature air source heat pump 9, so that the second belt wheel 34 can rotate at a certain angle, the protruding end of the first cam 47 is driven to be separated from contact with the second L-shaped block 46, the protruding end of the second cam 51 is separated from contact with the first L-shaped block 45, and the first L-shaped block 45 is separated from matching with the L-shaped groove 29 under the elastic action of the first spring 44, the clamping block 42 moves towards the direction far away from the low-temperature air source heat pump 9 under the elastic action of the second spring 43, the first L-shaped block 45 is separated from the L-shaped groove 29 under the elastic action of the first spring 44, then the control block 35 continues to rotate reversely until the extrusion force between the clamping block 42 and the low-temperature air source heat pump 9 is small and the rotating block 40 is not in contact with the low-temperature air source heat pump 9, the low-temperature air source heat pump 9 is pulled upwards until the low-temperature air source heat pump 9 is pulled out of the installation cavity 27, the fixed block 28 is restored under the action of the limiting spring, and the rotating block 40 is restored under the action of the torsion spring, so that the low-temperature air source heat pump 9 can be dismounted only by operating the control block 35, and the operation is convenient;
when the working height of the low-temperature air source heat pump 9 is adjusted, the motor 22 is started, the first gear 21 is driven to rotate through the motor shaft 20, the first gear 21 drives the second gear 23 to rotate, the second gear 23 drives the left threaded rod 17 to rotate, the left threaded rod 17 drives the left belt pulley 18 to rotate, the left belt pulley 18 drives the right belt pulley 18 to rotate through the conveyor belt 19, the left belt pulley 18 and the right belt pulley 18 drive the threaded rods 17 on the left and the right sides to rotate synchronously, the threaded rods 17 drive the threaded blocks 16 to move up and down, the threaded blocks 16 drive the mounting shell 25 to move up and down, and the six springs 26 are arranged to stabilize the up and down movement of the mounting shell 25, so that the purpose of adjusting the up and down positions of the low-temperature air source heat pump 9 is achieved, and the low-temperature air source heat pump 9 can work in different environments conveniently.
Example 3
On the basis of embodiment 1, as shown in fig. 4 to 5, a filter screen 53 is installed on an air inlet in a low-temperature air source heat pump 9, and the air inlet is connected with the filter screen 53 through a quick-release mechanism, the quick-release mechanism includes through holes symmetrically arranged on the left and right sides of the air inlet, the through holes are communicated with a matching cavity 55, a matching block two 59 is slidably arranged in the matching cavity 55, a plurality of springs three 61 are fixedly arranged between the matching block two 59 and the matching cavity 55, an inclined end of the matching block two 59 is matched with an inclined end of the matching block one 56, the matching block one 56 is fixedly connected with a rotating plate 57, the rotating plate 57 is rotatably connected with a side end of the air inlet, the matching block two 59 is fixedly connected with the middle part of a connecting block 60, one end of the connecting block 60, which is close to the spring three 61, penetrates through the through holes to be matched with a connecting groove 62, and the connecting grooves 62 are symmetrically arranged at the left and right ends of the filter screen 53;
one end of the connecting block 60, which is far away from the spring III 61, is provided with a connecting cavity 64, a sliding block 65 is arranged in the connecting cavity 64 in a sliding manner, a spring V66 is fixedly arranged between the sliding block 65 and the connecting cavity 64, the sliding block 65 is fixedly connected with the operating rod 39, the spring V66 is sleeved on the operating rod 39, one end of the connecting cavity 64, which is far away from the matching block II 59, is provided with a communicating hole I in a penetrating manner, one end of the matching cavity 55, which is far away from the spring III 61, is provided with a communicating hole II 54 in a penetrating manner, the operating rod 39 penetrates through the communicating hole I and the communicating hole II 54 and is fixedly connected with the external operating block 50, the upper end of the connecting block 60 is in sliding connection with a spring IV 63, the spring IV 63 is fixedly connected with the lower end of the matching block I56, the lower end of the matching block I56 is also connected with a locking block 58, and the locking block 58 is correspondingly matched with the connecting cavity 64.
The beneficial effects of the above technical scheme are:
through the arrangement of the filter screen 53, dust and impurities in the air are filtered, the dust and impurities are prevented from entering the low-temperature air source heat pump 9 and affecting the normal operation of the low-temperature air source heat pump 9, after the low-temperature air source heat pump 9 works for a certain time, when the filter screen 53 is cleaned, the operating block 50 is pulled outwards and drives the operating rod 39 to move outwards, the operating rod 39 drives the sliding block 65 to slide along the connecting cavity 64, the spring five 66 is always in a compression state until the locking block 58 is separated from the sliding block 65, the first matching block 56 and the second matching block 59 recover to the original positions under the elastic action of the third spring 61 and the fourth spring 63, the second matching block 59 drives the connecting block 60 to be separated from the connecting groove 62, the filter screen 53 is taken out of the air inlet, the connecting groove 62 is correspondingly communicated with the through hole when the filter screen 53 is installed, and then the rotating plate 57 is pressed downwards, the rotating plate 57 drives the first matching block 56 to rotate downwards, the second matching block 59 is pushed to move towards the direction of the through hole, the second matching block 59 drives the connecting block 60 to be matched with the connecting groove 62, the third spring 61 and the fourth spring 63 are compressed, the first matching block 56 rotates downwards and simultaneously drives the locking block 58 to rotate downwards, the locking block 58 is matched with the connecting cavity 64, the inclined end of the locking block 58 is in contact with the sliding block 65, the sliding block 65 is pushed to slide along the connecting cavity 64 until the inclined end of the locking block 58 is separated from the sliding block 65, the sliding block 65 is driven to move under the elastic action of the fifth spring 66, the sliding block 65 limits the locking block 58, the locking block 58 cannot be separated from the connecting cavity 64, when the filter screen 53 is installed and disassembled, only the operating block 50 needs to be pulled and the rotating plate 57 is pressed, operation is convenient, threaded connection is not needed, and the steps of screwing and disassembling by using special tools are reduced.
Example 4
On the basis of the example 1, the method comprises the following steps of,
the first pressure sensor: the first pressure sensor is arranged at the first inlet of the heat exchanger 4 and used for detecting the fluid pressure at the first inlet;
and a second pressure sensor: the second pressure sensor is arranged at the first outlet of the heat exchanger 4 and used for detecting the fluid pressure at the first outlet;
a flow rate sensor: the flow velocity sensor is arranged in the heating pipeline and used for detecting the flow velocity of the fluid in the heating pipeline;
an alarm device: the alarm is arranged outside the heat exchanger 4;
a controller: the controller is electrically connected with the flow velocity sensor and the alarm;
the controller controls the alarm to work based on the flow rate of the fluid in the warming pipeline detected by the flow rate sensor, the fluid pressure at the first inlet detected by the first pressure sensor and the fluid pressure at the first outlet detected by the second pressure sensor, and the method comprises the following steps:
when the valve of the passage 2 is disconnected, the controller calculates the theoretical working coefficient of the heat exchanger 4 according to the flow rate of the fluid in the warming pipeline detected by the flow rate sensor, the fluid pressure at the first inlet detected by the first pressure sensor, the fluid pressure at the first outlet detected by the second pressure sensor and the formula (1), compares the calculated theoretical working coefficient of the heat exchanger 4 with a preset working coefficient, and controls the alarm to give an alarm if the calculated theoretical working coefficient of the heat exchanger 4 is smaller than the preset working coefficient;
wherein, the first and the second end of the pipe are connected with each other,
being the theoretical working coefficient of the heat exchanger 4,
is the convective heat transfer coefficient between the heating pipeline and the source water pipeline in the heat exchanger 4,
in order to increase the thermal conductivity of the fluid in the pipeline,
in order to increase the length of the temperature pipeline,
in order to increase the density of the fluid in the pipeline,
in order to detect the value of the flow rate sensor,
is the pressure of the fluid at the first inlet,
the fluid pressure of outlet one.
The beneficial effects of the above technical scheme are:
the first pressure sensor is arranged at the first inlet of the heat exchanger 4 and used for detecting the fluid pressure at the first inlet; the controller calculates a theoretical working coefficient of the heat exchanger 4 (the theoretical working coefficient of the heat exchanger 4 is a ratio of the heat transfer performance and the resistance performance of the heat exchanger 4, if the theoretical working coefficient of the heat exchanger 4 is small, the theoretical working coefficient of the heat exchanger 4 indicates that the heat transfer performance of the heat exchanger 4 is small and the resistance performance is large, so that the heat exchange efficiency of the heat exchanger 4 is reduced), compares the calculated theoretical working coefficient of the heat exchanger 4 with a preset working coefficient, and if the calculated theoretical working coefficient of the heat exchanger 4 is smaller than the preset working coefficient, the controller controls the alarm to give an alarm in time to remind a user to adjust the flow rates of the fluid in the warming pipeline and the source water pipeline and change the heat exchange efficiency of the heat exchanger 4.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a low temperature heat pump water route overlapping heating system which characterized in that: the system comprises a low-temperature water source heat pump (6) and a low-temperature air source heat pump (9), wherein the low-temperature water source heat pump (6) is communicated with the low-temperature air source heat pump (9) through a first heating pipeline (8), the low-temperature water source heat pump (6) is communicated with a source water system, the source water system and the low-temperature air source heat pump (9) are both communicated with a heat exchanger (4), the heat exchanger (4) is communicated with a heating device (11), and the heating device (11) is communicated with the low-temperature water source heat pump (6) through a second heating pipeline (10);
a water outlet I of the low-temperature water source heat pump (6) is communicated with a water inlet of a heating device (11) through a heating pipeline II (10), a water outlet of the heating device (11) is communicated with a water inlet I of a heat exchanger (4) through a heating pipeline III (12), a water outlet I of the heat exchanger (4) is communicated with a water inlet of a low-temperature air source heat pump (9) through a heating pipeline IV (13), and a water outlet of the low-temperature air source heat pump (9) is communicated with a water inlet I of the low-temperature water source heat pump (6) through a heating pipeline I (8);
the source water system comprises a source water pool (1), a water outlet of the source water pool (1) is communicated with a water outlet pipeline (3), the water outlet pipeline (3) is communicated with a second water inlet of the heat exchanger (4), a second water outlet of the heat exchanger (4) is communicated with a circulating pipeline (5), the circulating pipeline (5) is communicated with a second water inlet of the low-temperature water source heat pump (6), a second water outlet of the low-temperature water source heat pump (6) is communicated with a water inlet pipeline (7), and the water inlet pipeline (7) is communicated with a water inlet of the source water pool (1);
a first power pump is installed on the water inlet pipeline (7), and a second power pump is installed on the heating pipeline (10);
temperature sensors are arranged on the water outlet pipeline (3) and the temperature rising pipeline III (12), a passage (2) is communicated between the water outlet pipeline (3) and the circulating pipeline (5), and a valve is arranged on the passage (2);
a heating pipeline is communicated between the water inlet I and the water outlet I in the heat exchanger (4), and an active water pipeline is communicated between the water inlet II and the water outlet II in the heat exchanger (4);
a water path in the heating device (11) sequentially passes through a heating pipeline III (12), a heating pipeline in the heat exchanger (4), a heating pipeline IV (13), a low-temperature air source heat pump (13), a water inlet I of the low-temperature water source heat pump (6), a water outlet I of the low-temperature water source heat pump (6) and a heating pipeline II (10) and finally flows back to the heating device (11) to form heat supply side circulation, if a temperature sensor detection value on a water outlet pipeline (3) is smaller than that on the heating pipeline III (12), a valve on a passage (2) is opened, a water inlet II of the heat exchanger (4) is closed, source water flows out through the source water pool (1) and sequentially passes through the water outlet pipeline (3), the passage (2), a water inlet II of the low-temperature water source heat pump (6), a water outlet II of the low-temperature water source heat pump (6) and a water inlet pipeline (7) and flows into the source water pool (1), forming source water side circulation, if the detection value of a temperature sensor on the water outlet pipeline (3) is greater than that of a temperature sensor on the heating pipeline III (12), the valve of the passage is disconnected, the water inlet II of the heat exchanger (4) is opened, so that source water does not pass through the passage (2), through a source water pipeline in the heat exchanger (4), water of the heating device (11) firstly enters a heating pipeline in the heat exchanger (4), and the water in the heating pipeline can be preliminarily heated through heat exchange between the source water pipeline and the heating pipeline;
when the low-temperature air source heat pump (9) works, external air enters the low-temperature air source heat pump (9), firstly, heat exchange is carried out through an evaporator, the air with the reduced temperature is discharged out of the low-temperature air source heat pump (9), working media in the evaporator absorb heat and are vaporized and sucked into a compressor, the compressor compresses the low-pressure working media gas into high-temperature and high-pressure gas and sends the high-temperature and high-pressure gas into a condenser, water in a heating pipeline IV (13) enters the low-temperature air source heat pump (9), the high-temperature and high-pressure gas flows into a heating pipeline I (8) after being heated by the working media through the condenser in the low-temperature air source heat pump (9), the high-temperature and high-pressure gas is sent into a low-temperature water source heat pump (6) for further heating, the working media are cooled into liquid, the liquid is throttled and cooled by an expansion valve and then flows into the evaporator again, and the circulation work is repeated;
when the low-temperature water source heat pump (6) works, source water in the circulating pipeline (5) enters the low-temperature water source heat pump (6), firstly, heat exchange is carried out through the evaporator, the source water with the reduced temperature is discharged out of the low-temperature water source heat pump (6), the source water flows into the source water pool (1) through the water inlet pipeline (7) under the action of the power pump I (2), working media in the evaporator absorb heat and are vaporized and sucked into the compressor, the compressor compresses the low-pressure working media gas into high-temperature and high-pressure gas and sends the high-temperature and high-pressure gas into the condenser, water in the warming pipeline I (8) enters the low-temperature water source heat pump (6), the low-temperature working media flow into the warming pipeline II (10) after being further heated by the working media through the condenser in the low-temperature water source heat pump (6), the low-temperature working media are sent to the heating device (11) for users under the action of the power pump II, the working media are cooled into liquid, and the liquid flows into the evaporator again after being throttled and cooled through the expansion valve, and the repeated circulating work.
2. The system of claim 1, wherein the system comprises: the stable lifting seat is installed to low temperature air source heat pump (9), stable lifting seat includes base (14), the upper end of base (14) is equipped with lift chamber (15), the inside working chamber (24) that is equipped with of lower extreme of base (14), the left and right sides symmetry of working chamber (24) is equipped with band pulley (18), connect through conveyer belt (19) between band pulley (18) of the left and right sides, band pulley (18) and the cylinder section fixed connection of threaded rod (17), the cylinder section of threaded rod (17) runs through the upper end of working chamber (24) and gets into in lift chamber (15), the screw thread section and the screw thread piece (16) threaded connection of threaded rod (17), screw thread piece (16) and the side sliding connection of lift chamber (15), the cylinder section and gear two (23) fixed connection of left threaded rod (17), gear two (23) and gear one (21) meshing, gear one (21) pass through motor shaft (20) and motor (22) fixed connection, motor (22) fixed mounting is at the lower extreme of lift chamber (15).
3. The system of claim 2, wherein the system comprises: the stable lifting seat further comprises an installation shell (25), threaded blocks (16) are symmetrically arranged at the left end and the right end of the installation shell (25), an installation cavity (27) is arranged at the upper end of the installation shell (25), connecting rods (31) are symmetrically arranged at the left end and the right end of the upper side of the installation cavity (27), the connecting rods (31) are rotatably connected with guide wheels (30), fixing seats (32) are symmetrically arranged at the left end and the right end of the middle of the installation cavity (27), the fixing seats (32) are rotatably connected with a rotating shaft (33), the rotating shaft (33) is fixedly connected with a rotating block (40) and a belt wheel (34), a groove (52) is formed in the lower end of the rotating block (40), the groove (52) is slidably connected with an L-shaped block (45), a spring I (44) is fixedly arranged between the L-shaped block (45) and the groove (52), the L-shaped block (45) is correspondingly matched with the L-shaped groove (29), the L-shaped groove (29) is arranged on the fixing block (28), the fixing blocks (28) are symmetrically arranged at the left end and the right end of the lower side of the installation cavity (27), and the low-temperature heat pump (9) are installed in the installation cavity (27).
4. The system of claim 3, wherein the system comprises: the front end of the groove (52) is provided with a first connecting shaft in a penetrating mode, the first connecting shaft is fixedly connected with a third belt wheel (37) and a first bevel gear (38), the third belt wheel (37) is connected with a second belt wheel (34) through a connecting belt (36), the first bevel gear (38) is meshed with a second bevel gear (49), the second bevel gear (49) is fixedly connected with a second connecting shaft (48), the lower end of the second connecting shaft (48) is fixedly connected with a second cam (51), the second cam (51) is contacted with the vertical end of the first L-shaped block (45), the upper end of the second connecting shaft (48) penetrates through the upper end of the groove (52) and is fixedly connected with a first external cam (47), the first cam (47) is contacted with the vertical end of the second L-shaped block (46), the vertical end of the second L-shaped block (46) is arranged at the upper end of the rotating block (40) in a sliding mode, the horizontal end of the second L-shaped block (46) is fixedly connected with a clamping block (42), the clamping block (42) is connected with a clamping groove (41) in a sliding mode, a fixed spring (43) is arranged between the clamping block (42) and the clamping groove (41), and one end of the rotating block (41) is close to one end of the rotating block (40).
5. The system of claim 1, wherein the system comprises: filter screen (53) are installed to the air inlet in low temperature air source heat pump (9), and the air inlet passes through quick detach mechanism and is connected with filter screen (53), quick detach mechanism includes the through-hole that the air inlet left and right sides symmetry set up, through-hole and cooperation chamber (55) intercommunication, it is equipped with cooperation piece two (59) to slide in the cooperation chamber (55), and fixed being equipped with a plurality of springs three (61) between cooperation piece two (59) and the cooperation chamber (55), the slope end cooperation of the slope end of cooperation piece two (59) and cooperation piece one (56), cooperation piece one (56) are connected with the side rotation of air inlet, the middle part fixed connection of cooperation piece two (59) and connecting block (60), the one end that connecting block (60) are close to spring three (61) passes through-hole and connecting groove (62) cooperation, connecting groove (62) symmetry sets up both ends about filter screen (53).
6. The system of claim 5, wherein the system comprises: one end of the connecting block (60) far away from the spring III (61) is provided with a connecting cavity (64), a sliding block (65) is arranged in the connecting cavity (64) in a sliding mode, a spring V (66) is fixedly arranged between the sliding block (65) and the connecting cavity (64), the sliding block (65) is fixedly connected with the operating rod (39), the spring V (66) is sleeved on the operating rod (39), one end of the connecting cavity (64) far away from the matching block II (59) is provided with a communicating hole I in a penetrating mode, one end of the matching cavity (55) far away from the spring III (61) is provided with a communicating hole II (54) in a penetrating mode, the operating rod (39) penetrates through the communicating hole I and the communicating hole II (54) and is fixedly connected with the external operating block (50), the upper end of the connecting block (60) is slidably connected with the spring IV (63), the spring IV (63) is fixedly connected with the lower end of the matching block I (56), the lower end of the matching block I (56) is further connected with a locking block (58), and the connecting cavity (64) is correspondingly matched.
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| CN102444986A (en) * | 2010-09-30 | 2012-05-09 | 艾欧史密斯(中国)热水器有限公司 | Duel-energy-source hot water supply system for implementing economical operation and operation method thereof |
| KR101186903B1 (en) * | 2012-05-03 | 2012-10-09 | 에너지귀뚜라미(주) | Hybrid for heat pump system of control method |
| CN108180668A (en) * | 2018-01-16 | 2018-06-19 | 北京四季通能源科技有限公司 | Single double stage heat pump heating and refrigeration system and control method |
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| CN112344470A (en) * | 2020-12-04 | 2021-02-09 | 河南三张节能环保工程有限公司 | Utilize multiple source heat pump air conditioning system of clean energy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444986A (en) * | 2010-09-30 | 2012-05-09 | 艾欧史密斯(中国)热水器有限公司 | Duel-energy-source hot water supply system for implementing economical operation and operation method thereof |
| KR101186903B1 (en) * | 2012-05-03 | 2012-10-09 | 에너지귀뚜라미(주) | Hybrid for heat pump system of control method |
| CN108180668A (en) * | 2018-01-16 | 2018-06-19 | 北京四季通能源科技有限公司 | Single double stage heat pump heating and refrigeration system and control method |
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