CN112594769B - Multi-energy supply device and method based on aluminum micro-channel heat pipe technology - Google Patents
Multi-energy supply device and method based on aluminum micro-channel heat pipe technology Download PDFInfo
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- CN112594769B CN112594769B CN202011552216.0A CN202011552216A CN112594769B CN 112594769 B CN112594769 B CN 112594769B CN 202011552216 A CN202011552216 A CN 202011552216A CN 112594769 B CN112594769 B CN 112594769B
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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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-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
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention discloses a multi-energy supply device and a method based on an aluminum micro-channel heat pipe technology, wherein the multi-energy supply device comprises a heat supply circulation loop, a cold supply circulation loop, a solar heat collection circulation loop and a multilayer double-source heat exchange module; the heating cycle adopts a conventional environment-friendly working medium as a cycle operation working medium, and the heat obtained from the aluminum micro-channel array heats the cold-carrying medium water and is sent to the end of a user to be used as heating or domestic hot water. The aluminum micro-channel array adopts a structure based on the principle of a thermosiphon heat pipe to carry out high-density heat exchange, and can simultaneously apply various energy-carrying media to carry out heat transfer and exchange to realize the comprehensive application of cold and hot sources.
Description
Technical Field
The invention relates to the technical field of new energy comprehensive application, in particular to a multi-energy supply device and method based on an aluminum micro-channel heat pipe technology.
Background
Solar energy is an ideal renewable energy source, the heat utilization technology is still in the development period at present, an important form of the application is solar hot water, the hot water system can realize the energy conservation of a building by 10 to 15 percent, and a house adopts a solar heating system, so that the energy consumption of the building is saved by about 45 percent; however, the solar hot water utilization device on the market currently has some common defects, such as: the comprehensive energy supply device and the control method are specially designed for improving the function and the form singleness and improving the comprehensive utilization rate of the solar energy, so that the sustainable and efficient utilization of the solar energy in the whole function and the whole period is ensured.
Disclosure of Invention
The invention aims to provide a multi-energy supply device based on an aluminum micro-channel heat pipe technology and a using method thereof, wherein the device effectively improves the comprehensive utilization rate of heat energy and ensures the sustainable and efficient utilization of solar energy in a full-functional and full-period manner.
In order to achieve the technical features, the invention is realized as follows: a multi-energy supply device based on aluminum microchannel heat pipe technology, comprising:
the system comprises a heat supply circulation loop, a heat exchange system and a heat exchange system, wherein the heat supply circulation loop comprises a variable frequency compressor, a condenser, an electronic expansion valve, a multi-layer double-source heat exchange module and an aluminum micro-channel array; the outlet end of the variable frequency compressor is communicated with the inlet of the heat-releasing side of the condenser, and the other end of the variable frequency compressor is communicated with the outlet side of the aluminum micro-channel array; an outlet of a heat release side of the condenser is communicated with one end of an electronic expansion valve, and the other end of the electronic expansion valve is communicated with an inlet side of the aluminum micro-channel array; the heating or domestic hot water pipeline is communicated with an inlet on the outer side of the condenser and an outlet on the outer side of the condenser;
the cooling circulation loop comprises a variable-frequency chilled water pump, the variable-frequency chilled water pump is connected with a main inlet of a lower-layer enhanced heat exchange channel of the lower-layer enhanced heat exchange channel through a second control valve, and the other end of the variable-frequency chilled water pump is connected with a cold and hot fan coil at the tail end of the air conditioner and a fourth control valve; the fan coil is arranged at the upstream of the variable-frequency chilled water pump, the outlet of the fan coil is communicated with the variable-frequency chilled water pump, and the inlet of the fan coil is communicated with the main outlet of the lower-layer enhanced heat exchange channel and a third control valve;
the solar heat collection circulation loop comprises a variable frequency water pump, one end of the variable frequency water pump is communicated with the fourth control valve and the fifth fourth control valve, and the other end of the variable frequency water pump is communicated with an inlet of the solar heat collector; the other end of the fifth control valve is communicated with a main outlet of the upper-layer enhanced heat exchange channel, an outlet of the solar heat collector is communicated with one end of the first control valve, and the other end of the first control valve is communicated with the third control valve and a main inlet of the upper-layer enhanced heat exchange channel.
And a second sensor is arranged at an outlet on the outer side of the condenser and is in communication connection with the controller, and the second sensor is used for detecting the temperature, the flow and the pressure of hot water which is sent to the tail end after absorbing heat through the condenser.
The fan coil outlet is provided with a first sensor which is in communication connection with the controller and used for detecting the temperature, the flow and the pressure of the circulating backwater at the tail end of the cold and hot air conditioner.
And a third sensor is arranged at the general inlet of the upper-layer enhanced heat exchange channel and is in communication connection with the controller, and the third sensor is used for detecting the temperature, the flow and the pressure of the cold-carrying medium which is sent to the upper-layer enhanced heat exchange channel after the heat is absorbed by the solar heat collector.
And the cold-carrying circulating medium in the solar heat collection circulating loop is in a liquid state or a gaseous state.
The liquid cold-carrying circulating medium adopts water or ethanol solution; the gaseous cold-carrying circulating medium adopts an organic refrigeration working medium.
The multilayer double-source heat exchange module is composed of an upper layer, a middle layer and a lower layer, wherein the upper layer is an upper layer reinforced heat exchange channel, the middle layer is an aluminum micro-channel array, the lower layer is a lower layer reinforced heat exchange channel, heat conducting strong glue is adopted for seamless attachment among the upper layer, the middle layer and the lower layer, and heat can be efficiently transferred between the middle layer and the upper layer and the lower layer through a boundary.
The upper layer enhanced heat exchange channel and the lower layer enhanced heat exchange channel are internally provided with isolated independent channel structures, and heat conduction micro-fins for enhancing heat exchange are arranged in each independent channel structure.
The independent single micro-channel in the aluminum micro-channel array is designed into a uniform parallel flow structure, the hydraulic diameter of each independent single micro-channel is less than 1mm, and the structure design based on the thermosiphon heat pipe principle is adopted.
The operation method of the solar heat pump direct-expansion system for heating comprises the following steps:
hot water supply heating mode:
step1.1: closing the second control valve, the third control valve and the fourth control valve, and opening the first control valve and the fifth control valve;
step1.2: starting a variable frequency water pump in the solar heat collection circulation loop, acquiring a temperature value of a third sensor in real time by a communication controller, and adjusting the operating frequency of the variable frequency water pump according to the load requirement of a user so as to balance the heat absorption capacity of a circulation working medium passing through the aluminum micro-channel array;
step1.3: starting a variable-frequency compressor in a heat supply circulation loop, automatically adjusting the superheat degree of the heat supply circulation loop by an electronic expansion valve, continuously heating and heating low-temperature return water at a user side entering from an inlet at the outer side of the condenser by the condenser, and then sending the heated low-temperature return water to a user for supplying domestic hot water or heating and heat exchange by an outlet at the outer side of the condenser, acquiring the temperature value of a second sensor at the outlet at the outer side of the condenser in real time by a communication controller, adjusting the operating frequency of the variable-frequency compressor according to the set domestic hot water or heating temperature to realize variable-capacity operation and match the hot water or heating requirements of the user;
cold and hot dual supply mode:
step2.1: closing the third control valve and the fourth control valve, and opening the first control valve, the fifth control valve and the second control valve;
step2.2: starting a variable-frequency chilled water pump in a cooling circulation loop, sending chilled water which is subjected to large-scale heat release and cooling through a lower-layer enhanced heat exchange channel to an air cooler coil pipe at the cold supply tail end for air conditioning and refrigerating for a user by the variable-frequency chilled water pump, acquiring the temperature value of a first sensor in real time by a communication controller, and adjusting the operating frequency of the variable-frequency chilled water pump according to the real-time change of the return water temperature value so as to meet the cold demand of the user;
step2.3: starting a heat supply circulation loop to operate, and performing Step1.3 in the same hot water supply and heating mode;
step2.4: starting to operate a solar heat collection circulation loop, and performing Step1.2 in the hot water supply and heating mode;
solar direct heating mode:
step3.1: closing the second control valve and the fifth control valve, and opening the first control valve, the third control valve and the fourth control valve;
step3.2: the variable-frequency water pump in the solar heat collection circulation loop is started, the system is switched to solar energy to directly heat water and circulate the water to enter the indoor fan coil pipe to supply heat for a user, the communication controller collects the temperature value of the first sensor in real time, and the operating frequency of the variable-frequency chilled water pump is adjusted according to the real-time change of the return water temperature value so as to meet the heating requirement of the user.
The invention has the following beneficial effects:
by adopting the device, domestic hot water is supplied when solar energy is sufficiently charged in summer and daytime, and meanwhile, building air conditioning refrigeration can be performed under the shunting action of the dual-source aluminum microchannel heat pipe array replacing the heat pump evaporator, so that the comprehensive utilization efficiency is far higher than that of an independent solar water heating system; the device is changed into a conventional high-efficiency solar water heater in excessive seasons; the heat pump combined heating function is utilized in winter, so that the continuous residential heating can be performed while the domestic hot water is continuously provided for 24 hours for the user. All the functions and the operation characteristics can maximize the utilization form, the function diversification and the comprehensive utilization rate of the whole solar energy, can continuously operate, and can meet the requirements of environmental protection.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic diagram of the system of the present invention.
FIG. 2 is a schematic view of a multilayer double-source heat exchange module according to the present invention.
FIG. 3 is a structural diagram of the internal structure of the multilayer double-source heat exchange module.
FIG. 4 is a schematic diagram of a single microchannel of the present invention.
In the figure: 1 variable frequency compressor, 2 condenser, 2a condenser outer inlet, 2b condenser outer outlet, 3 electronic expansion valve, 4 multilayer double-source heat exchange module, 5 fan coil, 6 solar heat collector, 7 aluminum micro-channel array, 7a aluminum micro-channel array total inlet, 7b aluminum micro-channel array total outlet, 8 single micro-channel, 9 upper layer enhanced heat exchange channel, 9a upper layer enhanced heat exchange channel total inlet, 9b upper layer enhanced heat exchange channel total outlet, 10 lower layer enhanced heat exchange channel, 10a lower layer enhanced heat exchange channel total outlet, 10b lower layer enhanced heat exchange channel total inlet, 11 layer independent channel structure, 12 communication controller, V1 first control valve, V2 second control valve, V3 third control valve, V4 fourth control valve, V5 fifth control valve, P1 variable frequency refrigeration water pump, P2 variable frequency water pump, S1 first sensor, s2 second sensor, S3 third sensor.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-4, a multi-energy supply apparatus based on aluminum microchannel heat pipe technology comprises:
the system comprises a heat supply circulation loop I, a heat supply circulation loop I and a heat exchange system, wherein the heat supply circulation loop I comprises a variable frequency compressor 1, a condenser 2, an electronic expansion valve 3, a multilayer double-source heat exchange module 4 and an aluminum micro-channel array 7; the outlet end of the variable frequency compressor 1 is communicated with the inlet of the heat-releasing side of the condenser 2, and the other end of the variable frequency compressor 1 is communicated with the outlet side 7b of the aluminum micro-channel array 7; an outlet of a heat release side of the condenser 2 is communicated with one end of an electronic expansion valve 3, and the other end of the electronic expansion valve 3 is communicated with an inlet side 7a of an aluminum micro-channel array 7; the heating or domestic hot water pipeline is communicated with the inlet 2a and the outlet 2b of the condenser;
further, the cooling circulation loop II comprises a variable-frequency chilled water pump P1, the variable-frequency chilled water pump P1 is connected with a lower-layer enhanced heat exchange channel main inlet 10b of the lower-layer enhanced heat exchange channel 10 through a second control valve V2, and the other end of the variable-frequency chilled water pump P1 is connected with a cold-hot fan coil 5 at the tail end of the air conditioner and a fourth control valve V4; the fan coil 5 is arranged at the upstream of the variable-frequency chilled water pump P1, the outlet of the fan coil 5 is communicated with the variable-frequency chilled water pump P1, and the inlet of the fan coil 5 is communicated with the lower-layer enhanced heat exchange channel main outlet 10a of the lower-layer enhanced heat exchange channel 10 and a third control valve V3;
further, the solar heat collection circulation loop III comprises a variable frequency water pump P2, one end of the variable frequency water pump P2 is communicated with a fourth control valve V4 and a fifth fourth control valve V5, and the other end of the variable frequency water pump P2 is communicated with an inlet of the solar heat collector 6; the other end of the fifth control valve V5 is communicated with the general outlet 9b of the upper-layer enhanced heat exchange channel 9, the outlet of the solar heat collector 6 is communicated with one end of the first control valve V1, and the other end of the first control valve V1 is communicated with the third control valve V3 and the general inlet 9a of the upper-layer enhanced heat exchange channel.
Further, a second sensor S2 is disposed at the outlet 2b of the condenser, and the second sensor S2 is communicatively connected to the controller 12 for detecting the temperature, flow rate and pressure of the hot water absorbed by the condenser 2 and then delivered to the end. The control mode can be matched with the heat supply circulation loop I to realize automatic control.
Further, a first sensor S1 is arranged at the outlet of the fan coil 5, and the first sensor S1 is in communication connection with the controller 12 and is used for detecting the temperature, the flow and the pressure of the circulating backwater at the tail end of the cold and hot air conditioner. The control mode can be matched with the cooling circulation loop II to realize automatic control.
Further, a third sensor S3 is disposed at the general inlet 9a of the upper-layer enhanced heat exchange channel, and the third sensor S3 is communicatively connected to the controller 12, and is configured to detect the temperature, the flow rate, and the pressure of the cooling medium that is sent to the upper-layer enhanced heat exchange channel 9 after absorbing heat by the solar heat collector 6. The control mode can be matched with a solar heat collection circulation loop to realize automatic control.
Further, the cold-carrying circulating medium in the solar heat collection circulating loop III is in a liquid state or a gaseous state. The flexibility of use is improved by adopting various forms of cold-carrying circulating media.
Further, the liquid cold-carrying circulating medium adopts water or ethanol solution; the gaseous cold-carrying circulating medium adopts an organic refrigeration working medium.
Further, the multilayer double-source heat exchange module 4 is composed of an upper layer, a middle layer and a lower layer, the upper layer is an upper layer reinforced heat exchange channel 9, the middle layer is an aluminum micro-channel array 7, the lower layer is a lower layer reinforced heat exchange channel 10, the upper layer, the middle layer and the lower layer are seamlessly attached through heat conduction strong glue, and heat can be efficiently transferred between the middle layer and the upper layer and the lower layer through a boundary.
Furthermore, isolated independent channel structures 11 are adopted inside the upper-layer enhanced heat exchange channel 9 and the lower-layer enhanced heat exchange channel 10, and heat conduction micro-fins for enhancing heat exchange are arranged inside each independent channel structure 11.
Furthermore, each independent single microchannel 8 in the aluminum microchannel array 7 is designed to be in a uniform parallel flow structure, the hydraulic diameter of each independent single microchannel 8 is less than 1mm, and the structural design based on the thermosiphon heat pipe principle is adopted.
Example 2:
the operation method of the solar heat pump direct-expansion system for heating comprises the following steps:
(1) hot water supply heating mode:
step1.1: closing the second control valve V2, the third control valve V3, and the fourth control valve V4, and opening the valves the first control valve V1 and the fifth control valve V5;
step1.2: starting a variable frequency water pump P2 in the solar heat collection circulation loop III, collecting the temperature value of a third sensor S3 in real time by the communication controller 12, and adjusting the operating frequency of the variable frequency water pump P2 according to the user load requirement so as to balance the heat absorption capacity of the circulation working medium passing through the aluminum micro-channel array 7;
step1.3: starting a variable frequency compressor 1 in a heat supply circulation loop I, automatically adjusting the superheat degree of the heat supply circulation loop by an electronic expansion valve 3, continuously heating and warming low-temperature return water at a user side entering from an inlet 2a at the outer side of a condenser by the condenser 2, sending the low-temperature return water to an outlet 2b at the outer side of the condenser for supplying domestic hot water or heating and heat exchange, acquiring the temperature value of a second sensor S2 at the outlet 2b at the outer side of the condenser in real time by a communication controller 12, adjusting the operating frequency of the variable frequency compressor 1 according to the set domestic hot water or heating temperature to realize variable capacity operation and match the hot water or heating requirements of the user;
(2) cold and hot dual supply mode:
step2.1: closing the third control valve V3 and the fourth control valve V4, and opening the first control valve V1 and the fifth control valve V5 and the second control valve V2;
step2.2: starting a variable-frequency frozen water pump P1 in a cold supply circulation loop II, sending a large amount of frozen water subjected to heat release and cooling through a lower-layer enhanced heat exchange channel 10 to a cold supply tail end air cooler coil pipe 5 by the variable-frequency frozen water pump P1 for air conditioning and refrigerating a user, acquiring a temperature value of a first sensor S1 in real time by a communication controller 12, and adjusting the operating frequency of the variable-frequency frozen water pump P1 according to the real-time change of the return water temperature value so as to meet the cold demand of the user;
step2.3: starting a heat supply circulation loop I to run, and performing Step1.3 in the same hot water supply and heating mode;
step2.4: starting and operating a solar heat collection circulation loop III, and performing Step1.2 in the same hot water supply and heating mode;
(3) solar direct heating mode:
step3.1: closing the valves, the second control valve V2 and the fifth control valve V5, and opening the first control valve V1, the third control valve V3 and the fourth control valve V4;
step3.2: the variable-frequency water pump P2 in the solar heat collection circulation loop III is started, the system is switched to solar energy to directly heat water and circulate the water to enter the indoor fan coil pipe for heating, the communication controller 12 collects the temperature value of the first sensor S1 in real time, and the operating frequency of the variable-frequency freezing water pump P1 is adjusted according to the real-time change of the return water temperature value so as to meet the heating requirement of a user.
Claims (6)
1. A multi-energy supply device based on aluminum microchannel heat pipe technology, comprising:
the system comprises a heat supply circulation loop (I), a heat supply circulation loop and a heat exchange system, wherein the heat supply circulation loop (I) comprises a variable frequency compressor (1), a condenser (2), an electronic expansion valve (3), a multi-layer double-source heat exchange module (4) and an aluminum micro-channel array (7); the outlet end of the variable frequency compressor (1) is communicated with the inlet of the heat-releasing side of the condenser (2), and the other end of the variable frequency compressor (1) is communicated with the outlet side (7 b) of the aluminum micro-channel array (7); an outlet of a heat release side of the condenser (2) is communicated with one end of the electronic expansion valve (3), and the other end of the electronic expansion valve (3) is communicated with an inlet side (7 a) of the aluminum micro-channel array (7); the heating or domestic hot water pipeline is communicated with the inlet (2 a) and the outlet (2 b) of the condenser;
the cooling system comprises a cooling circulation loop (II), the cooling circulation loop (II) comprises a variable-frequency chilled water pump (P1), the variable-frequency chilled water pump (P1) is connected with a lower-layer enhanced heat exchange channel main inlet (10 b) of a lower-layer enhanced heat exchange channel (10) through a second control valve (V2), and the other end of the variable-frequency chilled water pump (P1) is connected with a cold and hot fan coil (5) at the tail end of an air conditioner and a fourth control valve (V4); the fan coil (5) is arranged at the upstream of the variable-frequency chilled water pump (P1), the outlet of the fan coil (5) is communicated with the variable-frequency chilled water pump (P1), and the inlet of the fan coil (5) is communicated with the lower-layer enhanced heat exchange channel main outlet (10 a) of the lower-layer enhanced heat exchange channel (10) and a third control valve (V3);
the solar heat collection circulation loop (III) comprises a variable frequency water pump (P2), one end of the variable frequency water pump (P2) is communicated with a fourth control valve (V4) and a fifth fourth control valve (V5), and the other end of the variable frequency water pump is communicated with an inlet of the solar heat collector (6); the other end of the fifth control valve (V5) is communicated with the upper layer enhanced heat exchange channel main outlet (9 b) of the upper layer enhanced heat exchange channel (9), the outlet of the solar heat collector (6) is communicated with one end of the first control valve (V1), and the other end of the first control valve (V1) is communicated with the third control valve (V3) and the upper layer enhanced heat exchange channel main inlet (9 a);
the multilayer double-source heat exchange module (4) consists of an upper layer, a middle layer and a lower layer, wherein the upper layer is an upper layer enhanced heat exchange channel (9), the middle layer is an aluminum micro-channel array (7), the lower layer is a lower layer enhanced heat exchange channel (10), the upper layer, the middle layer and the lower layer are seamlessly attached by adopting heat-conducting super glue, and heat can be efficiently transferred between the middle layer and the upper layer and between the lower layer through a boundary;
a second sensor (S2) is arranged at the outlet (2 b) of the outer side of the condenser, and the second sensor (S2) is in communication connection with the controller (12) and is used for detecting the temperature, the flow and the pressure of the hot water which is sent to the tail end after absorbing heat through the condenser (2);
the outlet of the fan coil (5) is provided with a first sensor (S1), the first sensor (S1) is in communication connection with the controller (12) and is used for detecting the temperature, the flow and the pressure of the circulating backwater at the tail end of the cold and hot air conditioner;
and a third sensor (S3) is arranged at the general inlet (9 a) of the upper-layer enhanced heat exchange channel, and the third sensor (S3) is in communication connection with the controller (12) and is used for detecting the temperature, the flow and the pressure of a cold-carrying medium which absorbs heat through the solar heat collector (6) and then is sent to the upper-layer enhanced heat exchange channel (9).
2. The multi-energy supply device based on aluminum microchannel heat pipe technology of claim 1, wherein: and the cold-carrying circulating medium in the solar heat collection circulating loop (III) is in a liquid state or a gaseous state.
3. The multi-energy supply device based on aluminum microchannel heat pipe technology of claim 2, wherein: the liquid cold-carrying circulating medium adopts water or ethanol solution; the gaseous cold-carrying circulating medium adopts an organic refrigeration working medium.
4. The multi-energy supply device based on aluminum microchannel heat pipe technology of claim 1, wherein: the upper-layer enhanced heat exchange channel (9) and the lower-layer enhanced heat exchange channel (10) are internally provided with isolated independent channel structures (11), and heat conduction micro-fins for enhancing heat exchange are arranged in each independent channel structure (11).
5. The multi-energy supply device based on aluminum microchannel heat pipe technology of claim 1, wherein: the independent single micro-channel (8) in the aluminum micro-channel array (7) is designed into a uniform parallel flow structure, the hydraulic diameter of each independent single micro-channel (8) is less than 1mm, and the structure design based on the thermosiphon heat pipe principle is adopted.
6. The method of operating a multi-energy supply apparatus based on aluminum microchannel heat pipe technology as set forth in any one of claims 1 to 5, wherein:
(1) hot water supply heating mode:
step1.1: closing the second control valve (V2), the third control valve (V3) and the fourth control valve (V4), and opening the first control valve (V1) and the fifth control valve (V5);
step1.2: starting a variable frequency water pump (P2) in the solar heat collection circulating loop (III), collecting the temperature value of a third sensor (S3) in real time by a communication controller (12), and adjusting the operating frequency of the variable frequency water pump (P2) according to the load demand of a user so as to balance the heat absorption capacity of a circulating working medium passing through the aluminum micro-channel array (7);
step1.3: starting a variable frequency compressor (1) in a heat supply circulation loop (I), automatically adjusting the superheat degree of the heat supply circulation loop by an electronic expansion valve (3), continuously heating and warming low-temperature return water at a user side entering from an inlet (2 a) at the outer side of a condenser by the condenser (2), sending the low-temperature return water to an outlet (2 b) at the outer side of the condenser for supplying domestic hot water or performing heating and heat exchange, acquiring the temperature value of a second sensor (S2) at the outlet (2 b) at the outer side of the condenser in real time by a communication controller (12), adjusting the operating frequency of the variable frequency compressor (1) according to the set domestic hot water or heating temperature to realize variable capacity operation and match the hot water or heating requirements of the user;
(2) cold and hot dual supply mode:
step2.1: closing the third control valve (V3) and the fourth control valve (V4), and opening the first control valve (V1) and the fifth control valve (V5) and the second control valve (V2);
step2.2: the method comprises the steps that a variable-frequency freezing water pump (P1) in a cooling circulation loop (II) is started, a large amount of chilled water subjected to heat release and cooling through a lower-layer enhanced heat exchange channel (10) is sent to a cooling tail end air cooler coil pipe (5) for air conditioning and refrigeration of a user through the variable-frequency freezing water pump (P1), a communication controller (12) collects temperature values of a first sensor (S1) in real time, and the running frequency of the variable-frequency freezing water pump (P1) is adjusted according to real-time changes of return water temperature values so as to meet the cooling requirements of the user;
step2.3: starting and operating a heat supply circulation loop (I) and performing Step1.3 in the same hot water supply and heating mode;
step2.4: starting to operate a solar heat collection circulation loop (III) and performing Step1.2 in the same hot water supply and heating mode;
(3) solar direct heating mode:
step3.1: closing the valves, the second control valve (V2) and the fifth control valve (V5), and opening the first control valve (V1), the third control valve (V3) and the fourth control valve (V4);
step3.2: the variable-frequency water pump (P2) in the solar heat collection circulating loop (III) is started, the system is switched to solar energy to directly heat water and circulate the water to enter the indoor fan coil pipe for heating, the communication controller (12) collects the temperature value of the first sensor (S1) in real time, and the operating frequency of the variable-frequency freezing water pump (P1) is adjusted according to the real-time change of the return water temperature value so as to meet the heating requirement of a user.
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