CN114427752A - Control method of multiple air source heat pump units and air source heat pump system - Google Patents
Control method of multiple air source heat pump units and air source heat pump system Download PDFInfo
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- CN114427752A CN114427752A CN202210078096.8A CN202210078096A CN114427752A CN 114427752 A CN114427752 A CN 114427752A CN 202210078096 A CN202210078096 A CN 202210078096A CN 114427752 A CN114427752 A CN 114427752A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 313
- 239000008399 tap water Substances 0.000 claims abstract description 45
- 235000020679 tap water Nutrition 0.000 claims abstract description 45
- 238000004321 preservation Methods 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 27
- 229910052802 copper Inorganic materials 0.000 claims description 27
- 239000010949 copper Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 3
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 241000220317 Rosa Species 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 4
- 230000036760 body temperature Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a control method of a plurality of air source heat pump units and an air source heat pump system, which comprise the plurality of air source heat pump units, wherein each air source heat pump unit comprises a cabinet, a compressor, a condensing box, a fin evaporator and a fan are arranged in the cabinet, a tap water tank is arranged on the right side of each air source heat pump unit, a heat preservation water tank is arranged on the front side of the corresponding tap water tank, a control cabinet is arranged on the front side of each air source heat pump unit, and a controller is arranged in the control cabinet. The invention has the beneficial effects that: the controller can adjust and control the air source heat pump units according to the hot water demand in different time periods, and the phenomenon that a plurality of air source heat pump units run simultaneously in a time period with less hot water demand is avoided, so that energy waste is reduced, and the hot water supply effect is improved.
Description
Technical Field
The invention relates to a control method of a plurality of air source heat pump units and an air source heat pump system, in particular to a control method of a plurality of air source heat pump units and an air source heat pump system, and belongs to the technical field of air source heat pumps.
Background
The air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source, can convert low-level heat energy which cannot be directly utilized in the air into high-level heat energy which can be utilized, thereby achieving the purpose of saving partial energy such as fuel gas, electric energy and the like, and having the advantages of safety, energy conservation, high heating efficiency and the like.
When the existing air source heat pump units are used, a plurality of air source heat pump units are usually operated simultaneously to heat, and cannot be adjusted and controlled according to water supply requirements in different time periods, so that a plurality of groups of air source heat pump units still operate to heat in a time period with a small hot water requirement, and resource waste is caused.
Disclosure of Invention
The invention achieves the purpose through the following technical scheme, and the air source heat pump system of the multiple air source heat pump units comprises a heat pump unit and a heat pump unit.
The air source heat pump units comprise a cabinet, a compressor is arranged in the cabinet and close to the bottom end of the cabinet, a condensing box is arranged on the right side of the compressor, a fin evaporator is arranged above the compressor, and a fan is arranged at the top of the cabinet;
the water supply system comprises a running water tank, a water pump unit and a water pump unit, wherein the running water tank is arranged on the right side of the air pump unit;
the heat preservation water tank is arranged on the front side of the tap water tank, and a water supply pipe is arranged on the right side of the tap water tank and close to the bottom end of the tap water tank;
the control cabinet is arranged on the front side of the air source heat pump unit, and a controller is arranged in the control cabinet.
Preferably, the inside of condensing box is provided with spiral helicine copper pipe, the one end of copper pipe runs through the lateral wall of condensing box, and is linked together with the pipeline of giving vent to anger of compressor, the other end of copper pipe runs through the lateral wall of condensing box, and is linked together with fin evaporator's feed liquor pipeline, on the copper pipe and be close to fin evaporator department and install the expansion valve.
Preferably, the rear side of condenser box just is close to bottom department and is provided with the inlet tube, the inlet tube is linked together with the cold water pipe, install the solenoid valve of intaking on the inlet tube, the front side of condenser box just is close to bottom department and is provided with the outlet pipe, the outlet pipe is linked together with the hot-water line, install the water solenoid valve on the outlet pipe, the front side of condenser box just is located the top of outlet pipe and installs first temperature sensor, the solenoid valve of intaking go out the water solenoid valve and first temperature sensor all passes through circuit and controller electric connection.
Preferably, the water pipe is gone up and is close to rose box department and installs the moisturizing solenoid valve, the inner wall of rose box is provided with the active carbon filter core, first level sensor is installed at the top of running water tank, the moisturizing solenoid valve first level sensor all through circuit and controller electric connection.
Preferably, install the water supply solenoid valve on the delivery pipe, holding water box's top just is close to front side edge and installs the second level sensor, holding water box's top just is close to rear side edge and installs the second temperature sensor, the water supply solenoid valve the second level sensor and the second temperature sensor all passes through circuit and controller electric connection.
Preferably, the rear side of holding water box just is close to bottom department and is provided with the circulating pipe, the end and the cold water pipe of circulating pipe are linked together, the circulating pump is installed to one side that just is close to holding water box on the circulating pipe, the circulating pump passes through circuit and controller electric connection, the check valve is installed to one side that just is close to the cold water pipe on the circulating pipe.
Preferably, the running water tank, holding water tank's right side and be close to bottom department all is provided with the blow off pipe, on the blow off pipe and be close to right side edge and install the blowoff valve.
Preferably, welded fastening has the mounting bracket on the rear side inner wall of switch board, the controller passes through bolt and mounting bracket fixed connection, just be located the below welded fastening of mounting bracket on the rear side inner wall of switch board has reason line frame.
Preferably, inside of switch board and the left and right sides that is located the mounting bracket install radiator fan that is parallel to each other, all set up the thermovent of array distribution on the lateral wall of switch board left and right sides, each the thermovent all sets up on the lateral wall of switch board to one side, the movable cover is installed to the front side of switch board, the movable cover rotates with the lateral wall of switch board to be connected.
On the other hand, the invention also provides a control method of the air source heat pump system of the multiple air source heat pump units, which comprises any one of the air source heat pump systems of the multiple air source heat pump units, and the operation steps are as follows:
s1, setting the outlet water temperature and the water supply amount in different time periods through the controller;
s2, the controller enables the water replenishing electromagnetic valve to be opened, tap water flows into the filter box through the tap water pipe, the tap water is filtered by the activated carbon filter element in the filter box and then flows into the tap water box to be stored, the first liquid level sensor feeds back the water level height in the tap water box to the controller, and when the water level in the tap water box reaches a set water level, the controller enables the water replenishing electromagnetic valve to be closed and stops supplying water to the interior of the tap water box;
s3, controlling the operation of one or more air source heat pump units by the controller according to the set water supply demands at different time intervals to open the water inlet electromagnetic valve, enabling the water body in the tap water tank to flow to the water inlet pipe through the cold water pipe, enabling the water body to flow into the condenser tank through the water inlet pipe, enabling the compressor and the fan to operate simultaneously, conveying high-pressure and high-temperature air into the copper pipe by the compressor, carrying out heat exchange between the gas in the copper pipe and the water body in the condenser tank, liquefying the high-temperature gas in the copper pipe to release heat to heat the water body, flowing the liquefied gas in the copper pipe to the expansion valve, reducing the pressure by the expansion valve, flowing into the fin evaporator to evaporate to form low-pressure air, facilitating the compressor to continue to compress, and accelerating the air flow to improve the evaporation effect of the fin evaporator;
s4, monitoring the temperature of a water body in a condensation box by a first temperature sensor, and transmitting temperature information to a controller, when the temperature reaches a set temperature, controlling a water outlet solenoid valve by the controller to open so that hot water flows into a hot water pipe through a water outlet pipe, and enabling the hot water to flow into the heat preservation water tank through the hot water pipe for storage, monitoring the water level in the heat preservation water tank by a second liquid level sensor and feeding back the water level information to the controller, when the set water amount is reached, controlling part of air source heat pump units to stop running by the controller, when the water amount is insufficient, increasing the number of the running air source heat pump units by the controller so as to conveniently supply water, and when the water level is low, controlling a water supply solenoid valve by the controller to stop supplying water or reduce the water supply amount;
s5, monitoring the water temperature inside the heat preservation water tank by the second temperature sensor, controlling the circulating pump to be started by the controller when the water temperature is lower, enabling the water inside the heat preservation water tank to flow into the circulating pipe, enabling the water to flow into the cold water pipe through the circulating pipe, enabling the water to flow into the condenser through the cold water pipe for secondary heating, and ensuring that the water in the tap water tank reaches the set water temperature.
The invention has the beneficial effects that:
1. according to the control method of the multiple air source heat pump units and the air source heat pump system, the controller can control the single or multiple air source heat pump units to operate according to the hot water demand in different time periods, so that the situation that the multiple air source heat pump units operate simultaneously in a time period with a small hot water demand is avoided, resources are saved, meanwhile, the multiple air source heat pump units operate simultaneously in a time period with a large hot water demand, the hot water supply can be controlled and guaranteed, and the hot water supply shortage is avoided.
2. According to the control method of the multiple air source heat pump units and the air source heat pump unit, the first temperature sensor and the second temperature sensor are matched with each other according to the set water temperature, the control on the water temperature inside the heat preservation water tank can be enhanced, the influence on use caused by the lower water temperature inside the heat preservation water tank is avoided, meanwhile, the water quantity of the heat preservation water tank can be fed back in time through the second liquid level sensor, and the controller can conveniently control the air source heat pump units according to the hot water demand of different time periods.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of an air source heat pump unit according to the present invention;
FIG. 4 is a schematic view of the structure of the condenser case of the present invention;
FIG. 5 is a schematic view of the structure of the tap water tank of the present invention;
FIG. 6 is a schematic structural view of the heat preservation water tank of the present invention;
fig. 7 is an exploded view of the control cabinet of the present invention.
In the figure: 1. a cabinet; 11. a compressor; 12. a copper pipe; 13. a condenser tank; 131. a water inlet pipe; 132. a water inlet electromagnetic valve; 133. a water outlet pipe; 134. a water outlet electromagnetic valve; 135. a first temperature sensor; 14. an expansion valve; 15. a finned evaporator; 16. a fan; 2. a tap water tank; 21. a tap water pipe; 211. a water replenishing electromagnetic valve; 22. a filter box; 23. a first liquid level sensor; 24. a cold water pipe; 25. a blow-off pipe; 251. a blowoff valve; 3. a heat preservation water tank; 31. a hot water pipe; 32. a water supply pipe; 321. a water supply solenoid valve; 33. a second liquid level sensor; 34. a second temperature sensor; 35. a circulation pipe; 351. a circulation pump; 352. a check valve; 4. a control cabinet; 41. a mounting frame; 42. a controller; 43. a wire arranging frame; 44. a heat radiation fan; 45. a heat dissipation port; 46. a movable cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The embodiment of the invention discloses an air source heat pump system of a plurality of air source heat pump units.
According to the attached drawings 1 and 2, the heat pump unit comprises a plurality of air source heat pump units, wherein each air source heat pump unit comprises a cabinet 1, a compressor 11 is installed inside the cabinet 1 and close to the bottom end of the cabinet, a condenser tank 13 is arranged on the right side of the compressor 11, a fin evaporator 15 is arranged above the compressor 11, and a fan 16 is installed at the top of the cabinet 1;
the system comprises a running water tank 2, a running water tank 2 is arranged on the right side of the air source heat pump unit, a running water pipe 21 is arranged on the right side of the running water tank 2 and close to the top end, a filter tank 22 is arranged on the right side wall of the running water tank 2 and between the running water tank 2 and the running water pipe 21, and a cold water pipe 24 is arranged on the left side of the running water tank 2 and close to the bottom end;
the heat preservation water tank 3 is arranged on the front side of the tap water tank 2, and a water supply pipe 32 is arranged on the right side of the tap water tank 2 and close to the bottom end;
the control cabinet 4 is arranged on the front side of the air source heat pump unit, and the controller 42 is arranged in the control cabinet 4.
According to the attached fig. 3 and fig. 4, a spiral copper pipe 12 is arranged inside the condenser box 13, one end of the copper pipe 12 penetrates through the side wall of the condenser box 13 and is communicated with the air outlet pipeline of the compressor 11, the other end of the copper pipe 12 penetrates through the side wall of the condenser box 13 and is communicated with the liquid inlet pipeline of the fin evaporator 15, and an expansion valve 14 is arranged on the copper pipe 12 and close to the fin evaporator 15;
the rear side of condenser box 13 just is provided with inlet tube 131 near bottom department, inlet tube 131 is linked together with cold water pipe 24, install into water solenoid valve 132 on the inlet tube 131, the front side of condenser box 13 just is provided with outlet pipe 133 near bottom department, outlet pipe 133 is linked together with hot-water line 31, install out water solenoid valve 134 on the outlet pipe 133, first temperature sensor 135 is installed just to be located the top of outlet pipe 133 in the front side of condenser box 13, can monitor the inside water temperature of condenser box 13 through first temperature sensor 135, guarantee to flow into the inside water of holding water box 3 and reach the settlement temperature, avoid the temperature to hang down and influence the use, enter water solenoid valve 132, go out water solenoid valve 134 and first temperature sensor 135 all through circuit and controller 42 electric connection.
According to fig. 5, on water pipe 21 and be close to rose box 22 department and install moisturizing solenoid valve 211, the inner wall of rose box 22 is provided with activated carbon filter, activated carbon filter can filter the impurity in the running water, thereby avoid the pipeline scale deposit and influence the use, first level sensor 23 is installed at the top of running water box 2, can monitor the inside water level of running water box 2 through first level sensor 23, thereby convenient timely supplementary water yield, moisturizing solenoid valve 211, first level sensor 23 all is through circuit and controller 42 electric connection.
According to the illustration in fig. 6, a water supply solenoid valve 321 is installed on a water supply pipe 32, a second liquid level sensor 33 is installed at the top of the heat preservation water tank 3 and close to the front side edge, the water quantity inside the heat preservation water tank 3 can be monitored through the second liquid level sensor 33, so that the controller 42 can conveniently control the air source heat pump unit according to the hot water demand in different time periods, and further energy waste is reduced, a second temperature sensor 34 is installed at the top of the heat preservation water tank 3 and close to the rear side edge, the water temperature inside the heat preservation water tank 3 can be controlled through the second temperature sensor 34, so that hot water supply is facilitated, and the water supply solenoid valve 321, the second liquid level sensor 33 and the second temperature sensor 34 are all electrically connected with the controller 42 through lines;
a circulating pipe 35 is arranged at the rear side of the heat preservation water tank 3 and close to the bottom end, the tail end of the circulating pipe 35 is communicated with the cold water pipe 24, a circulating pump 351 is installed on one side of the circulating pipe 35 close to the heat preservation water tank 3, the circulating pump 351 is electrically connected with the controller 42 through a circuit, a check valve 352 is installed on one side of the circulating pipe 35 close to the cold water pipe 24, the check valve 352 prevents water inside the circulating pipe 35 from flowing back to affect the water temperature inside the heat preservation water tank 3, when the water temperature inside the heat preservation water tank 3 is lower, the controller 42 can control the circulating pump 351 to operate, so that the water flows into the cold water pipe 24, flows into the condenser 13 through the cold water pipe 24 to perform secondary heating, and the use is prevented from being affected due to too low water temperature;
the right side of running water tank 2, holding water tank 3 just is close to bottom department and all is provided with blow off pipe 25, just is close to right side edge on the blow off pipe 25 and installs blowoff valve 251, opens the blowoff valve 251 after, can regularly clear up running water tank 2 and holding water tank 3's inside through blow off pipe 25.
According to the illustration shown in fig. 7, a mounting frame 41 is fixedly welded on the inner wall of the rear side of the control cabinet 4, the controller 42 is fixedly connected with the mounting frame 41 through bolts, the contact area between the controller 42 and air can be enlarged through the mounting frame 41, and the controller 42 can conveniently dissipate heat, a wire arranging frame 43 is fixedly welded on the inner wall of the rear side of the control cabinet 4 and is positioned below the mounting frame 41, and the connecting lines of the controller 42 can be arranged through the wire arranging frame 43, so that the disorder of the lines is avoided;
inside of switch board 4 and the left and right sides that is located mounting bracket 41 install radiator fan 44 that is parallel to each other, all set up array distribution's thermovent 45 on the lateral wall of the switch board 4 left and right sides, each thermovent 45 all sets up on the lateral wall of switch board 4 to one side, radiator fan 44 during operation, can make the inside of air entering switch board 4 through thermovent 45, and make the air flow with higher speed to one side in the inside of switch board 4, improve controller 42's radiating effect, make things convenient for controller 42 to operate, movable cover 46 is installed to the front side of switch board 4, movable cover 46 rotates with the lateral wall of switch board 4 to be connected.
The working principle is as follows:
when the invention is used, firstly, the water supply amount and the water supply temperature of the controller 42 in different time periods are set, then, the water replenishing electromagnetic valve 211 is opened, tap water flows into the interior of the filter box 22 through the tap water pipe 21, flows into the interior of the tap water box 2 after being filtered by the filter box 22, then, the controller 42 controls the operation of a single or a plurality of air source heat pump units according to the set water supply amount, the water inlet electromagnetic valve 132 is opened, the water body in the tap water box 2 flows into the condensation box 13 through the cold water pipe 24 and the water inlet pipe 131, the compressor 11 is operated to convey high-pressure and high-temperature air into the copper pipe 12, the gas in the copper pipe 12 exchanges heat with the water body in the condensation box 13 and heats the water body, meanwhile, the first temperature sensor 135 monitors the water body temperature, when the water body reaches the set temperature, the water outlet electromagnetic valve 134 is opened, so that the hot water flows into the heat preservation water box 3 through the water outlet pipe 133 and the hot water pipe 31, the second liquid level sensor 33 and the second temperature sensor 34 monitor the water temperature and the water level inside the heat preservation water tank 3, so that the controller 42 can control the operation of the air source heat pump unit conveniently, and the controller 42 controls the water supply electromagnetic valve 321 to be opened, so that the heat preservation water tank 3 supplies water through the water supply pipe 32.
On the other hand, the invention also provides a control method of the air source heat pump system of the multiple air source heat pump units, which comprises any one of the air source heat pump systems of the multiple air source heat pump units, and the operation steps are as follows:
s1, setting the outlet water temperature and the water supply amount in different time periods through the controller 42;
s2, the controller 42 opens the water replenishing electromagnetic valve 211, the tap water flows into the filter box 22 through the tap water pipe 21, the tap water is filtered by the activated carbon filter element in the filter box 22 and then flows into the tap water tank 2 for storage, the first liquid level sensor 23 feeds back the water level height in the tap water tank 2 to the controller 42, when the water level in the tap water tank 2 reaches the set water level, the controller 42 closes the water replenishing electromagnetic valve 211, and stops supplying water into the tap water tank 2;
s3, the controller 42 controls the operation of one or more air source heat pump units according to the water supply demand of different set time intervals, so that the water inlet electromagnetic valve 132 is opened, the water in the tap water tank 2 flows to the water inlet pipe 131 through the cold water pipe 24, the water flows into the condensation tank 13 through the water inlet pipe 131, at the same time, the controller 42 operates the compressor 11 and the blower 16, the compressor 11 delivers the high-pressure and high-temperature air into the copper pipe 12, the gas in the copper pipe 12 exchanges heat with the water body in the condensation tank 13, the high-temperature gas is liquefied in the copper pipe 12 to release heat to heat the water body, and then, the liquefied gas in the copper pipe 12 flows to the expansion valve 14, is reduced in pressure by the expansion valve 14, flows into the fin evaporator 15 to be evaporated to form low-pressure air, so that the compressor 11 can be conveniently compressed continuously, meanwhile, the fan 16 operates to accelerate the air flow and improve the evaporation effect of the fin evaporator 15;
s4, the first temperature sensor 135 monitors the temperature of the water in the condensation tank 13 and transmits the temperature information to the controller 42, when the set temperature is reached, the controller 42 controls the water outlet electromagnetic valve 134 to open, so that hot water flows into the hot water pipe 31 through the water outlet pipe 133, the hot water flows into the heat preservation water tank 3 through the hot water pipe 31 to be stored, the second liquid level sensor 33 monitors the water level in the heat preservation water tank 3 and feeds back the water level information to the controller 42, when the set water amount is reached, the controller 42 controls part of the air source heat pump units to stop running, when the water amount is insufficient, the controller 42 can increase the number of the running air source heat pump units to conveniently supply water, and when the water level is low, the controller 42 controls the water supply electromagnetic valve 321 to stop supplying water or reduce the water supply amount;
s5, the second temperature sensor 34 monitors the water temperature inside the heat preservation water tank 3, when the water temperature is low, the controller 42 controls the circulating pump 351 to be started, so that the water inside the heat preservation water tank 3 flows into the circulating pipe 35, the water flows into the cold water pipe 24 through the circulating pipe 35, and then the water flows into the condensation tank 13 through the cold water pipe 24 to be heated for the second time, and the water in the tap water tank 2 is guaranteed to reach the set water temperature.
As will be apparent to those skilled in the art,
the controller 42 can control the single or multiple air source heat pump units to operate according to the hot water demand in different periods, so that the situation that multiple air source heat pump units operate simultaneously in a time period with a small hot water demand is avoided, resources are saved, meanwhile, the multiple air source heat pump units operate simultaneously in a time period with a large hot water demand is avoided, the hot water supply can be controlled and guaranteed, and the hot water supply insufficiency is avoided.
According to the set water temperature, the first temperature sensor 135 and the second temperature sensor 34 are matched with each other, the control on the water temperature inside the heat preservation water tank 33 can be enhanced, the influence on the use of the water temperature inside the heat preservation water tank 3 due to low temperature is avoided, meanwhile, the water quantity of the heat preservation water tank 3 can be fed back in time through the second liquid level sensor 33, and the controller 42 can conveniently control the air source heat pump unit according to the hot water demand in different time periods.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an air source heat pump system of a plurality of air source heat pump set which characterized in that includes:
the air source heat pump units comprise a cabinet (1), a compressor (11) is installed inside the cabinet (1) and close to the bottom end of the cabinet, a condensing box (13) is arranged on the right side of the compressor (11), a fin evaporator (15) is arranged above the compressor (11), and a fan (16) is installed at the top of the cabinet (1);
the water supply system comprises a running water tank (2), wherein the running water tank (2) is arranged on the right side of the air source heat pump unit, a running water pipe (21) is arranged on the right side of the running water tank (2) and close to the top end of the running water tank, a filter tank (22) is arranged on the wall of the right side of the running water tank (2) and between the running water tank (2) and the running water pipe (21), and a cold water pipe (24) is arranged on the left side of the running water tank (2) and close to the bottom end of the running water tank;
the heat preservation water tank (3) is arranged on the front side of the tap water tank (2), and a water supply pipe (32) is arranged on the right side of the tap water tank (2) and close to the bottom end;
the control cabinet (4), control cabinet (4) set up the front side at air source heat pump set, the internally mounted of control cabinet (4) has controller (42).
2. The air source heat pump system of the air source heat pump units according to claim 1, wherein: the inside of condensing box (13) is provided with spiral helicine copper pipe (12), the lateral wall of condensing box (13) is run through to the one end of copper pipe (12), and is linked together with the pipeline of giving vent to anger of compressor (11), the lateral wall of condensing box (13) is run through to the other end of copper pipe (12), and is linked together with the inlet liquid pipeline of fin evaporator (15), on copper pipe (12) and be close to fin evaporator (15) department and install expansion valve (14).
3. The air source heat pump system of the multiple air source heat pump unit according to claim 2, wherein: the rear side of condenser box (13) just is close to bottom department and is provided with inlet tube (131), inlet tube (131) are linked together with cold water pipe (24), install into water solenoid valve (132) on inlet tube (131), the front side of condenser box (13) just is close to bottom department and is provided with outlet pipe (133), outlet pipe (133) are linked together with hot-water line (31), install out water solenoid valve (134) on outlet pipe (133), first temperature sensor (135) are installed to the front side of condenser box (13) and the top that is located outlet pipe (133), into water solenoid valve (132) go out water solenoid valve (134) and first temperature sensor (135) all through circuit and controller (42) electric connection.
4. The air source heat pump system of the air source heat pump units according to claim 1, wherein: the automatic water supply device is characterized in that a water replenishing electromagnetic valve (211) is arranged on the tap water pipe (21) and close to the filter box (22), an activated carbon filter element is arranged on the inner wall of the filter box (22), a first liquid level sensor (23) is arranged at the top of the tap water box (2), and the water replenishing electromagnetic valve (211) and the first liquid level sensor (23) are electrically connected with the controller (42) through circuits.
5. The air source heat pump system of the air source heat pump units according to claim 1, wherein: install water supply solenoid valve (321) on delivery pipe (32), the top of holding water box (3) and be close to front side edge and install second liquid level sensor (33), the top of holding water box (3) and be close to rear side edge department and install second temperature sensor (34), water supply solenoid valve (321) second liquid level sensor (33) and second temperature sensor (34) are all through circuit and controller (42) electric connection.
6. The air source heat pump system of the multiple air source heat pump unit according to claim 5, wherein: the rear side of holding water box (3) just is close to bottom department and is provided with circulating pipe (35), the end and cold water pipe (24) of circulating pipe (35) are linked together, circulating pump (351) are installed to the last one side that just is close to holding water box (3) of circulating pipe (35), circulating pump (351) pass through circuit and controller (42) electric connection, check valve (352) are installed to the last one side that just is close to cold water pipe (24) of circulating pipe (35).
7. The air source heat pump system of the air source heat pump units according to claim 1, wherein: the running water tank (2) and the heat preservation water tank (3) are provided with drain pipes (25) on the right side and near the bottom, and drain valves (251) are arranged on the drain pipes (25) and near the right side edge.
8. The air source heat pump system of the air source heat pump units according to claim 1, wherein: welded fastening has mounting bracket (41) on the rear side inner wall of switch board (4), controller (42) pass through bolt and mounting bracket (41) fixed connection, just be located the below welded fastening of mounting bracket (41) and have reason line frame (43) on the rear side inner wall of switch board (4).
9. The air source heat pump system of the air source heat pump units according to claim 8, wherein: the inside of switch board (4) and the left and right sides that is located mounting bracket (41) install radiator fan (44) that are parallel to each other, array distribution's thermovent (45) have all been seted up on the lateral wall of switch board (4) the thermovent (45) are all to setting up on the lateral wall of switch board (4) to one side, movable cover (46) are installed to the front side of switch board (4), movable cover (46) rotate with the lateral wall of switch board (4) and are connected.
10. A method for controlling an air source heat pump system of a multiple air source heat pump unit, comprising the air source heat pump system of the multiple air source heat pump unit according to any one of claims 1 to 9, the method comprising the following steps:
s1, setting the outlet water temperature and the water supply amount in different time periods through the controller (42);
s2, the controller (42) enables the water replenishing electromagnetic valve (211) to be opened, tap water flows into the filter box (22) through the tap water pipe (21), the tap water is filtered by the activated carbon filter element in the filter box (22) and then flows into the tap water tank (2) for storage, the first liquid level sensor (23) feeds back the water level height in the tap water tank (2) to the controller (42), and when the water level in the tap water tank (2) reaches a set water level, the controller (42) enables the water replenishing electromagnetic valve (211) to be closed and stops supplying water to the interior of the tap water tank (2);
s3, controlling the operation of one or more air source heat pump units by a controller (42) according to the water supply requirements at different set time intervals, opening a water inlet electromagnetic valve (132), enabling the water body in a tap water tank (2) to flow to a water inlet pipe (131) through a cold water pipe (24), enabling the water body to flow into a condensation tank (13) through the water inlet pipe (131), simultaneously enabling a compressor (11) and a fan (16) to operate by the controller (42), delivering high-pressure and high-temperature air into a copper pipe (12) by the compressor (11), carrying out heat exchange between the gas in the copper pipe (12) and the water body in the condensation tank (13), liquefying the high-temperature gas in the copper pipe (12) to release heat to heat the water body, then enabling the liquefied gas in the copper pipe (12) to flow to an expansion valve (14), reducing the pressure by the expansion valve (14), and then flowing into a fin evaporator (15) to evaporate to form low-pressure air, the compressor (11) can be conveniently compressed continuously, and meanwhile, the fan (16) operates to accelerate air flow and improve the evaporation effect of the fin evaporator (15);
s4, the first temperature sensor (135) monitors the temperature of the water body in the condensation tank (13) and transmits the temperature information to the controller (42), when the set temperature is reached, the controller (42) controls the water outlet electromagnetic valve (134) to be opened, so that the hot water flows into the hot water pipe (31) through the water outlet pipe (133), the hot water flows into the heat-preservation water tank (3) through the hot water pipe (31) for storage, the second liquid level sensor (33) monitors the water level in the heat-preservation water tank (3) and feeds back the water level information to the controller (42), when the set water amount is reached, the controller (42) controls part of the air source heat pump unit to stop running, when the water quantity is insufficient, the controller (42) can increase the number of the running air source heat pump units so as to conveniently supply water, when the water level is low, the controller (42) controls the water supply solenoid valve (321) to stop the water supply of the water supply pipe (32) or reduce the water supply amount;
s5, monitoring the water temperature inside the heat preservation water tank (3) by the second temperature sensor (34), when the water temperature is low, controlling the circulating pump (351) to be started by the controller (42), enabling the water inside the heat preservation water tank (3) to flow into the circulating pipe (35), enabling the water to flow into the cold water pipe (24) through the circulating pipe (35), enabling the water to flow into the condensation tank (13) through the cold water pipe (24) for secondary heating, and ensuring that the water in the tap water tank (2) reaches the set water temperature.
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Application publication date: 20220503 |