CN104089426B - A kind of cold and heat supply supplying hot water regulates system and method - Google Patents
A kind of cold and heat supply supplying hot water regulates system and method Download PDFInfo
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Abstract
The present invention relates to a kind of cold and heat supply supplying hot water and regulate system and method, wherein cold and heat supply supplying hot water adjustment system includes heat exchange loop, described heat exchange loop is provided with the first heat exchanger and the second heat exchanger, described first heat exchanger is additionally arranged in cold and heat supply water route, described cold and heat supply water route is additionally provided with water tank, first water pump, floor heating pipe, user's use water connecting tube and fan coil, multiple electromagnetic valves are arranged in the connecting line in described cold and heat supply water route, the above-mentioned parts in described cold and heat supply water route are made to connect formation heating loop by controlling the switch of the plurality of electromagnetic valve, heating water tanks loop, heat accumulation supplying hot water loop, for cold loop, directly-heated supplying hot water loop. cold and heat supply supplying hot water provided by the invention regulates system and method and realizes regulating the independent operation mode of supplying hot water, cooling, heating in cold and heat supply supplying hot water adjustment system, by adopting the mode that heat exchange, water energy heat exchange add novel economizer with low temperature heat accumulation to improve systematic energy efficiency ratio.
Description
Technical field
The present invention relates to cold and heat supply technical field, particularly relate to a kind of cold and heat supply supplying hot water and regulate system and method.
Background technology
In the prior art, it is common that refrigeration adopts air-conditioning, supplying hot water adopts various water heaters, and floor heating adopts oil, coal, gas and electricity heat-obtaining, until the appearance of heat pump, daily cooling is just merged with heating, but hot-water heating system is still employing autonomous system.
Heat pump industry, through research and development for many years and application practice, achieves significant progress, but in recent years, most enterprises is generally and improves in the coupling and details of the part such as outward appearance, system pipeline, and heat pump structure does not obtain important breakthrough. although also there being the appearance of trigeneration heat pump system in recent years, but it is three set heat exchangers because of what adopt, because hot water uses the time short, refrigeration and to heat the time long, cause hot water exchanger intermittent work in system, in 1 year, coolant is influenced by ambient temperature changes greatly, the partition equilibrium of coolant is difficult to solve, although adding fluid reservoir, make moderate progress, but still cannot thoroughly solve the partition equilibrium problem of coolant, and cause when summer does not use hot water, coolant is too much, hypertonia, service life of equipment shortens, when winter needs high-temperature-hot-water, cold medium shortage, Energy Efficiency Ratio declines.
Summary of the invention
Present invention aims to the problems referred to above and propose a kind of cold and heat supply supplying hot water adjustment system and method, realize regulating the operational mode of supplying hot water, cooling, heating in cold and heat supply supplying hot water adjustment system, by adopting heat exchange, water energy heat exchange to improve systematic energy efficiency ratio with low temperature heat accumulation mode.
To achieve these goals, the technical solution adopted in the present invention is:
One aspect of the present invention provides a kind of cold and heat supply supplying hot water to regulate system, including heat exchange loop, described heat exchange loop is provided with compressor, cross valve, the first heat exchanger, the second heat exchanger, the first subcooler, the second subcooler, filter, expansion valve, gas-liquid separator;Being connected by cross valve commutation, described heat exchange loop is adjusted to and heats loop and refrigerating circuit; In heating loop, the input of compressor connects the outfan of gas-liquid separator, the outfan of compressor is sequentially connected with the first heat exchanger, the first subcooler, the second subcooler, filter, expansion valve, the second heat exchanger by cross valve, and the second heat exchanger connects the input of gas-liquid separator again through cross valve; In refrigerating circuit, the input of compressor connects the outfan of gas-liquid separator, the outfan of compressor is sequentially connected with the second heat exchanger, expansion valve, filter, the second subcooler, the first subcooler, the first heat exchanger by cross valve, and the first heat exchanger connects the input of gas-liquid separator again through cross valve;
It it is critical only that: the first heat exchanger in described heat exchange loop is additionally arranged in cold and heat supply water route, described cold and heat supply water route is additionally provided with water tank, first water pump, floor heating pipe, user's use water connecting tube and fan coil, multiple electromagnetic valves are arranged in the connecting line in described cold and heat supply water route, the water tank in described cold and heat supply water route is made by controlling the switch of the plurality of electromagnetic valve, first water pump, floor heating pipe, user's use water connecting tube and fan coil connect formation heating loop, heating water tanks loop, heat accumulation supplying hot water loop, for cold loop, directly-heated supplying hot water loop,
In heating loop, described heat exchange loop is adjusted to and heats loop, the outlet of described water tank connects the first pump entrance, first exit of pump connect described first heat exchanger heat entrance, the outlet that heats of described first heat exchanger connects floor heating pipe, backwater after floor heating pipe heat exchange flows into the entrance of described first subcooler, and the outlet of the first subcooler connects water tank moisturizing entrance;
In heating water tanks loop, described heat exchange loop is adjusted to and heats loop, and the outlet of water tank connects the first pump entrance, and the first exit of pump connects the entrance that heats of the first heat exchanger, and what the moisturizing entrance of water tank connected the first heat exchanger heats outlet;
In heat accumulation supplying hot water loop, described heat exchange loop is adjusted to and heats loop, the outlet of water tank connects the first pump entrance, what the first exit of pump connected the first heat exchanger heats entrance, the outlet connection user that heats of the first heat exchanger uses water connecting tube, backwater after user's use water connecting tube heat exchange flows into the entrance of described first subcooler, the outlet of the first subcooler connects water tank moisturizing entrance, the entrance of the second subcooler is cold water inlet, and the outlet of the second subcooler connects the entrance of the first subcooler;
For in cold loop, described heat exchange loop is adjusted to refrigerating circuit, the outlet of water tank connects the first pump entrance, and the first exit of pump connects the refrigeration entrance of the first heat exchanger, accesses the moisturizing entrance of water tank after the refrigeration outlet connecting fan coil pipe of refrigerated heat exchanger;
In directly-heated supplying hot water loop, described heat exchange loop is adjusted to and heats loop, the entrance of the second subcooler is cold water inlet, the outlet of the second subcooler connects the entrance of the first subcooler, first subcooler outlet connect the first heat exchanger heat entrance, the outlet connection user that heats of the first heat exchanger uses water connecting tube, and user's use water connecting tube is connected with described first subcooler.
As an improvement project of the present invention, in described cold and heat supply water route, it is provided with six electromagnetic valves; First electromagnetic valve and the second electromagnetic valve are connected in the outlet of the first subcooler and the circuit heating between entrance of the first heat exchanger; Second electromagnetic valve is additionally attached in the circuit heating between entrance of water delivery side of pump and the first heat exchanger; 3rd electromagnetic valve is connected in the circuit between the refrigeration entrance of the first water delivery side of pump and the first heat exchanger; 4th electromagnetic valve is connected in the circuit heating between outlet of water tank moisturizing entrance and the first heat exchanger; 5th electromagnetic valve is connected in the circuit heated between outlet and floor heating pipe entrance of the first heat exchanger; 6th electromagnetic valve is connected in the circuit between refrigeration outlet and the fan coil of the first heat exchanger.
As another improvement project of the present invention, in heat accumulation supplying hot water loop, the circuit heated between outlet of user's use water connecting tube and the first heat exchanger is connected to water flow switch;Water return pipeline between user's use water connecting tube and the first subcooler is connected to return water temperature control valve.
Scheme as a further improvement on the present invention, described cold and heat supply supplying hot water regulates system and is additionally provided with economizer, is additionally provided with economizer, time overheated, the fluorine road input of overheated economizer is connected with the port of export of gas-liquid separator, and the fluorine road outfan of overheated economizer is connected with the input of compressor; The waterway inlet of overheated economizer exports with the backwater of floor heating pipe and is connected, and the water route outlet of overheated economizer is connected with the entrance of the first subcooler; Time supercool, the fluorine road input of supercool economizer and the outfan of the first heat exchanger connect, and the fluorine road outfan of supercool economizer and the second subcooler connect; The waterway inlet of supercool economizer and the outlet of the second subcooler connect, and the water route outlet of supercool economizer is connected with water tank water supplement port.
Further, for in cold loop, it is also associated with the second water pump between tank outlet and the 4th electromagnetic valve, then the connected mode for cold loop is: the outlet of water tank connects the second pump entrance, second exit of pump connects the refrigeration entrance of the first heat exchanger by the 4th electromagnetic valve, accesses the moisturizing entrance of water tank after the refrigeration outlet connecting fan coil pipe of the first heat exchanger.
Another aspect of the present invention provides a kind of for described cold and heat supply supplying hot water control method, including: make the operational mode in described cold and heat supply water route be adjusted to operation heating loop, heating water tanks loop, heat accumulation supplying hot water loop, supply cold loop or directly-heated supplying hot water loop by controlling the switch of the multiple electromagnetic valves on connecting line.
As an improvement of the present invention, described cold and heat supply control method, specifically include:
Run heating loop modulation step: make the first pump working, open the second electromagnetic valve and the 5th electromagnetic valve, other closed electromagnetic valves;
Run heating water tanks loop modulation step: make the first pump working, open the second electromagnetic valve and the 4th electromagnetic valve, other electromagnetic valves and return water temperature control valve and close;
Run heat accumulation supplying hot water loop modulation step: connect water flow switch, make the first pump working, open the second electromagnetic valve and return water temperature control valve;
Run cooling loop modulation step: making the first water pump and fan coil work, open the 3rd electromagnetic valve and the 6th electromagnetic valve, other electromagnetic valves and return water temperature control valve are closed;
Run directly-heated supplying hot water loop modulation step: connect water flow switch, stop the first pump working, open the first electromagnetic valve and the second electromagnetic valve, other closed electromagnetic valves.
Another as the present invention improves, and described cold and heat supply control method also includes:
In running cooling loop modulation step, making the second water pump and fan coil work, open the 4th electromagnetic valve and the 6th electromagnetic valve, other electromagnetic valves and return water temperature control valve are closed.
Technical scheme obtains following beneficial effect:
Realize regulating the operational mode of supplying hot water, cooling, heating in cold and heat supply supplying hot water adjustment system, refrigeration adopts chilled water, heat employing hot water domestic hot-water supply and floor heating pipe heating so that cold and heat supply supplying hot water regulates system becomes the novel energy-conserving product of heat-collecting water heater, cold air, floor heating integrated high-efficient;
By adopting the application of various coolant, overheated supercool heat exchange economizer to improve systematic energy efficiency ratio with low temperature heat accumulation mode, particularly as follows:
1a, by reducing storing water in water tank temperature, increasing while Energy Efficiency Ratio, reducing high-temperature hot loss.
2a, except condenser working, also increase backwater and cold water subcooler, carry out heat exchange, improving heat exchanging efficiency and speed on demand.
3a, by three times reduce condensation temperatures, reduce the temperature difference, Energy Efficiency Ratio gets a promotion.
4a, cold water and return water temperature are more low, and Energy Efficiency Ratio is also more big, and temperature rise is also more high, and part solves to need a large amount of heat energy problems cold season.
5a, when heating, increase economizer, at cold winter, hot water to the overheated economizer flowed back to through floor heating played heat effect, and the water temperature then reduced is then through supercool, and water temperature, then through intensification, improving energy efficiency, is also suitable for cold district work.
Except improving Energy Efficiency Ratio, also obtain following beneficial effect:
1b, long service life; Because equipment supplying hot water temperature controls all the time at low temperature, equipment works in condition range, and adopts condenser and two heat exchangers of vaporizer, is conducive to the distribution of coolant, adopt simultaneously can the tube-in-tube heat exchanger of mechanical cleaning, therefore service life of equipment is long.
2b, cost are low; Traditional water heater, air-conditioning, heat supply stove are combined together, reduces cost.
3b, firing rate are fast; Because adopting double; two supercool mode, efficiency is high, water tank little (1/3rd of original water tank), adopts low temperature heat accumulation and instant-heating mode, improves the speed of heat hot water, brings facility to user.
4b, health; Because water tank temperature controls relatively low, avoid antibacterial height idiophase, adopt horizontal water tank, it is to avoid sewage is deposited in lower floor for a long time simultaneously, make the increased activity of water, health and activated domestic hot-water can be used all the year round.
5b, complete chilled water, floor heating hot water, domestic hot-water and circulation, directly-heated, pressurization and water return function, reduce volume, reduce production cost and fault restoration cost.
6b, heat with floor heating backwater, then then through supercool, increase low-temperature heating ability, it is ensured that work under more low temperature environment.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, is not intended that inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is the structural representation of the embodiment one of the cold and heat supply supplying hot water adjustment system of the present invention;
Fig. 2 is the structural representation in the heating loop of the embodiment one of the cold and heat supply supplying hot water adjustment system of the present invention;
Fig. 3 is the structural representation in the heating water tanks loop of the embodiment one of the cold and heat supply supplying hot water adjustment system of the present invention;
Fig. 4 is the structural representation in the heat accumulation supplying hot water loop of the embodiment one of the cold and heat supply supplying hot water adjustment system of the present invention;
Fig. 5 is the structural representation for cold loop of the embodiment one of the cold and heat supply supplying hot water adjustment system of the present invention;
Fig. 6 is the structural representation in the directly-heated supplying hot water loop of the embodiment one of the cold and heat supply supplying hot water adjustment system of the present invention;
Fig. 7 is the structural representation for cold loop of the embodiment two of the cold and heat supply supplying hot water adjustment system of the present invention. Drawing reference numeral illustrates as follows:
1. compressor; 2. gas-liquid separator; 3. cross valve; 4. the first heat exchanger;
5. the first subcooler; 6. the second subcooler; 7. filter; 8. expansion valve;
9. the second heat exchanger; 10. the first blower fan; 11. water tank; 12. the first water pump;
120. the second water pump; 21. economizer; 13. floor heating pipe;
14. user uses water connecting tube; 15. fan coil;
V1. the first electromagnetic valve; V2. the second electromagnetic valve; V3. the 3rd electromagnetic valve;
V4. the 4th electromagnetic valve; V5. the 5th electromagnetic valve; V6. the 6th electromagnetic valve
V7. water flow switch; V8. return water temperature control valve;V9. check-valves.
Detailed description of the invention
Describing the present invention in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples and explanation in this present invention are used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of cold and heat supply supplying hot water to regulate system, including heat exchange loop C1 (loop that in Fig. 1, dotted line represents), described heat exchange loop C1 is provided with compressor 1, cross valve the 3, first heat exchanger the 4, second heat exchanger the 9, first subcooler the 5, second subcooler 6, filter 7, expansion valve 8, gas-liquid separator 2; Being connected by cross valve 3 commutation, described heat exchange loop C1 is adjusted to and heats loop and refrigerating circuit; In heating loop, the input of compressor 1 connects the outfan of gas-liquid separator 2, the outfan of compressor 1 is sequentially connected with first heat exchanger the 4, first subcooler the 5, second subcooler 6, filter 7, expansion valve the 8, second heat exchanger 9 by cross valve 3, and the second heat exchanger 9 connects the input of gas-liquid separator 2 again through cross valve 3; In refrigerating circuit, the input of compressor 1 connects the outfan of gas-liquid separator 2, the outfan of compressor 1 is sequentially connected with the second heat exchanger 9, expansion valve 8, filter the 7, second subcooler the 6, first subcooler the 5, first heat exchanger 4 by cross valve 3, and the first heat exchanger 4 connects the input of gas-liquid separator 2 again through cross valve 3;
By controlling cross valve 3, making heat exchange loop C1 carry out heating and refrigeration mode, in a heating mode, the first heat exchanger 4 is condenser, and the second heat exchange machine is vaporizer; In cooling mode, the first heat exchanger 4 is vaporizer, and the second heat exchange machine is condenser.
The first heat exchanger 4 in described heat exchange loop C1 is additionally arranged in the C2 of cold and heat supply water route, described cold and heat supply water route C2 is additionally provided with water tank 11, first water pump 12, floor heating pipe 13, user's use water connecting tube 14 and fan coil 15, multiple electromagnetic valve V are arranged in the connecting line of described cold and heat supply water route C2, the water tank in described cold and heat supply water route C2 is made by controlling the switch of the plurality of electromagnetic valve V, first water pump, floor heating pipe, user's use water connecting tube and fan coil connect formation heating loop C21, heating water tanks loop C22, heat accumulation supplying hot water loop C23, for cold loop C24, directly-heated supplying hot water loop C25,
As shown in Figure 2, in heating loop C21 (loop that in Fig. 2, solid line represents), the outlet of described water tank 11 connects the first water pump 12 entrance, first water pump 12 outlet connect described first heat exchanger 4 heat entrance, the outlet that heats of described first heat exchanger 4 connects floor heating pipe 13, backwater after floor heating pipe 13 heat exchange flows into the entrance of described first subcooler 5, and the outlet of the first subcooler 5 connects water tank 11 moisturizing entrance;
As shown in Figure 3, in heating water tanks loop C22 (loop that in Fig. 3, solid line represents), the outlet of water tank 11 connects the first water pump 12 entrance, and what the first water pump 12 outlet connected the first heat exchanger 4 heats entrance, and what the moisturizing entrance of water tank 11 connected the first heat exchanger 4 heats outlet;
As shown in Figure 4, in heat accumulation supplying hot water loop C23 (loop that in Fig. 4, solid line represents), the outlet of water tank 11 connects the first water pump 12 entrance, first water pump 12 outlet connect the first heat exchanger 4 heat entrance, the outlet that heats of the first heat exchanger 4 connects user's use water connecting tube 14, backwater after user's use water connecting tube 14 heat exchange flows into the entrance of described first subcooler 5, the outlet of the first subcooler 5 connects water tank 11 moisturizing entrance, the entrance of the second subcooler 6 is cold water inlet, and the outlet of the second subcooler 6 connects the entrance of the first subcooler 5;
As shown in Figure 5, for in cold loop C24 (loop that in Fig. 5, solid line represents), the outlet of water tank 11 connects the first water pump 12 entrance, first water pump 12 outlet connects the refrigeration entrance of the first heat exchanger 4, accesses the moisturizing entrance of water tank 11 after the refrigeration outlet connecting fan coil pipe 15 of the first heat exchanger 4;
As shown in Figure 6, in directly-heated supplying hot water loop C25 (loop that in Fig. 6, solid line represents), the entrance of the second subcooler 6 is cold water inlet, the outlet of the second subcooler 6 connects the entrance of the first subcooler 5, first subcooler 5 outlet connect the first heat exchanger 4 heat entrance, the outlet that heats of the first heat exchanger 4 connects user's use water connecting tube 14, and user's use water connecting tube 14 is connected with described first subcooler 5.
As an embodiment of the present embodiment, as it is shown in figure 1, in described cold and heat supply water route C2, be provided with five electromagnetic valve V; As shown in Figure 6, the first electromagnetic valve V1 and the second electromagnetic valve V2 is connected in the outlet of the first subcooler 5 and the circuit heating between entrance of the first heat exchanger 4; As shown in Figure 4, the second electromagnetic valve V2 is additionally attached in the outlet of the first water pump 12 and the circuit heating between entrance of the first heat exchanger 4; As it is shown in figure 5, the 3rd electromagnetic valve V3 is connected in the circuit between the outlet of the first water pump 12 and the refrigeration entrance of the first heat exchanger 4; As it is shown on figure 3, the 4th electromagnetic valve V4 is connected in the circuit heating between outlet of water tank 11 moisturizing entrance and the first heat exchanger 4; As in figure 2 it is shown, the 5th electromagnetic valve V5 is connected in the circuit heated between outlet and floor heating pipe 13 entrance of the first heat exchanger 4; As it is shown in figure 5, the 6th electromagnetic valve V6 is connected in the circuit between refrigeration outlet and the fan coil 15 of the first heat exchanger 4.
As shown in Figure 4, as an embodiment of the present embodiment, in heat accumulation supplying hot water loop C23, the circuit heated between outlet of user's use water connecting tube 14 and the first heat exchanger 4 is connected to water flow switch V7; Water return pipeline between user's use water connecting tube 14 and the first subcooler 5 is connected to return water temperature control valve V8.
In heat accumulation supplying hot water loop C23 and directly-heated supplying hot water loop C25, the water return pipeline between user's use water connecting tube 14 and the first subcooler 5 is connected to return water temperature control valve V8 and check-valves V9.
As shown in figures 1 to 6, described cold and heat supply supplying hot water regulates system and is additionally provided with economizer 21, and time overheated, the fluorine road input of overheated economizer is connected with the port of export of gas-liquid separator 2, and the fluorine road outfan of overheated economizer is connected with the input of compressor 1; The waterway inlet of overheated economizer exports with the backwater of floor heating pipe 13 and is connected, and the water route outlet of overheated economizer is connected with the entrance of the first subcooler 5; Time supercool, the fluorine road input of supercool economizer and the outfan of the first heat exchanger 4 connect, and fluorine road outfan and second subcooler 6 of supercool economizer connect; The waterway inlet of supercool economizer and the outlet of the second subcooler 6 connect, and the water route outlet of supercool economizer is connected with water tank water supplement port IN. Supercool economizer is the first subcooler 5, forms novel economizer with overheated economizer 21.
In the present embodiment, as shown in Figure 2, in heating loop C21 (loop that in Fig. 2, solid line represents), increase economizer, at cold winter, hot water to the subcooler returned through floor heating plays increasing cold-working use, and water temperature reduces then through intensification, improving energy efficiency, and reach defrosting, improve the effect of operating mode.
The another aspect of the embodiment of the present invention provides a kind of for described cold and heat supply supplying hot water control method, including: make the operational mode of described cold and heat supply water route C2 be adjusted to operation heating loop C21, heating water tanks loop C22, heat accumulation supplying hot water loop C23, supply cold loop C24 or directly-heated supplying hot water loop C25 by controlling the switch of the multiple electromagnetic valve V on connecting line.
As an embodiment of the present embodiment, described cold and heat supply control method, specifically include:
Run heating loop C21 regulating step: make the first water pump 12 work, open the second electromagnetic valve V2 and the five electromagnetic valve V5, other closed electromagnetic valves;
Run heating water tanks loop C22 regulating step: make the first water pump 12 work, open the second electromagnetic valve V2 and the four electromagnetic valve V4, other electromagnetic valves and return water temperature control valve V8 and close;
Run heat accumulation supplying hot water loop C23 regulating step: connect water flow switch V7, make the first water pump 12 work, open the second electromagnetic valve V2 and return water temperature control valve V8;
Run for cold loop C24 regulating step: make the first water pump 12 and fan coil 15 work, open the 3rd electromagnetic valve V3 and the six electromagnetic valve V6, other electromagnetic valves and return water temperature control valve V8 and close;
Run directly-heated supplying hot water loop C25 regulating step: connect water flow switch V7, stop the first water pump 12 and work, open the first electromagnetic valve V1 and the second electromagnetic valve V2, other closed electromagnetic valves.
In above-mentioned regulating step, when return water temperature control valve V8 temperature arrives threshold value, cut off the water supply, or during stopping water, water flow switch V7 disconnects; When using hot water under heating state, operational mode jumps to heat accumulation supplying hot water pattern; When water tank temperature is not timed out, automatically jump to heating water tanks pattern.
Embodiment 2
As in figure 2 it is shown, as different from Example 1:
As shown in Figure 7, the further embodiment of system is regulated as cold and heat supply supplying hot water described in the present embodiment, for in cold loop, export at water tank 11 and be also associated with the second water pump 120 between the 4th electromagnetic valve V4, then the connected mode for cold loop is: the outlet of water tank 11 connects the second water pump 120 entrance, second water pump 120 exports the refrigeration entrance being connected the first heat exchanger 4 by the 4th electromagnetic valve V4, accesses the moisturizing entrance of water tank 11 after the refrigeration outlet connecting fan coil pipe 15 of the first heat exchanger 4. The entrance of the second water pump 120 and the connection heating outlet of the first heat exchanger 4 disconnect because of the closedown of the 4th electromagnetic valve V4.
As the further embodiment of the present embodiment, described cold and heat supply control method also includes:
Running in cold loop C24 regulating step, make the second water pump 120 and fan coil 15 work, open the 4th electromagnetic valve V4 and the six electromagnetic valve V6, other electromagnetic valves and return water temperature control valve V8 and close.
In sum, the cold and heat supply supplying hot water of the present invention regulates system can run following five kinds of mode of operation: a, air conditioner refrigerating (chilled water), b, air-conditioning heating (floor heating pipe), c, supplying hot water, hot water when d, air conditioner refrigerating, hot water when e, air-conditioning heating.
During equipment refrigeration, open the 3rd electromagnetic valve V3 and the six electromagnetic valve V6, the first heat exchanger refrigeration, the chilled water after being freezed by the water inputted from the first water pump 12 delivers to indoor fan coil pipe 15 coil pipe cooling, when summer needs hot water, closing the 6th electromagnetic valve V6, disconnect the connection of fan coil 15, chilled water stops supply, open the first electromagnetic valve V1 and the second electromagnetic valve V2, other closed electromagnetic valves, adopt instant-heating mode (that is, running directly-heated supplying hot water pattern) domestic hot-water supply;When winter heats, open the second electromagnetic valve V2 and the five electromagnetic valve V5, other closed electromagnetic valves, the tank hot water of temperature 38-40 DEG C is formed the hot water of 45 DEG C for floor heating pipe 13 heat exchange through heat pump (the first heat exchanger) temperature rise 5-7 DEG C, meet indoor heating, after floor heating pipe 13 heat exchange, to be back to heat pump (the first subcooler 5) backwater to 35 DEG C supercool for temperature drop, temperature rise is to 38-40 DEG C of feeding water tank 11, adopt and reduce boiler 11 temperature and three minimizing condensation temperatures of double, two supercool mode, reduce the temperature difference, Energy Efficiency Ratio improves, the heat of 40% is improved than existing water heating heat pump, when needing hot water, cold water is supercool through cold water supercooling tube (the second subcooler 6) again, arrive backwater supercooling tube (the first subcooler 5) more supercool, water tank is entered after the supercool temperature rise of twin-stage, water tank low temperature heat accumulation is through heat pump (the first heat exchanger 4) temperature rise hot water efferent tract user's use water connecting tube 14, for user domestic hot-water. need not air-conditioning season, it is necessary to during hot water, 25 DEG C of cold water are stored in water tank 11 through supercool temperature rise to 30-32 DEG C, and when needing hot water, instant-heating only needs temperature rise 8-10 DEG C just can meet domestic hot-water supply.
The cold and heat supply supplying hot water of the present invention regulates system except using, and also uses water energy, therefore can be described as dual intensity cold and heat supply supplying hot water and regulates system; Add low temperature heat accumulation, directly-heated and instant heating mode of operation simultaneously, be by different water routes and the heat-collecting water heater of fluorine road composition, cold air, floor heating integrated high-efficient novel energy-conserving product. Dual intensity heat pump adopts three times and reduces the temperature difference (by the first heat exchanger, the first subcooler and the second subcooler), and Energy Efficiency Ratio obtains and is obviously improved, and part solves Energy Efficiency Ratio decline cold season problem.
Heat pump as is generally known in the art field uniquely can provide the equipment of the energy being several times as much as autophage energy, necessarily becomes the main force of energy-saving and emission-reduction. Heat pump, such as pumping for water pump, is extracted into eminence lower water, and drop is more little, and the water yield is more big, and heat pump is a small amount of electric energy to be spent to be extracted into a kind of equipment in high temperature the air of low temperature, according to inverse Carnot cycle principle:
In inverse Carnot cycle formula, ambient temperature is as molecule, and temperature is more high, and Energy Efficiency Ratio is more big, and in actual applications, we utilize source, ground, waste water and recuperation of heat to promote ambient temperature, increase Energy Efficiency Ratio.
The heat pump temperature difference is more complicated, and temperature difference �� T is appreciated that the difference of compressor condensation temperature and evaporating temperature. With water circulating heat pump for standard, it is high 12-18 DEG C that fluorine circulating heat pump inner coil pipe temperature circulates sleeve pipe than water, and the outer coil pipe of fluorine circulation is higher 5-8 DEG C than fluorine circulates inner coil pipe again, is all improve condensation temperature, improves the temperature difference, therefore, reduce Energy Efficiency Ratio.
Water circulating heat pump is divided into: directly-heated type, circulating and combined type. Directly-heated process there is small part supercool, reduces condensation temperature, decrease the temperature difference, Energy Efficiency Ratio improves, because water pump stops circulation, although reduce water pump electricity, but heat exchange area reduces, efficiency reduces, and the heat pump that therefore ratio of Energy Efficiency Ratio directly-heated type heat pump is circulating is of a relatively high.
Dual intensity heat pump is utilizing on the basis of air energy, add backwater and cold water twin-stage is supercool, backwater first time is supercool, decrease condensation temperature, improve Energy Efficiency Ratio, more supercool than the less cold water of return water temperature carries out again second time, once more reduce condensation temperature, reduce the temperature difference, improve Energy Efficiency Ratio, adopting low temperature heat accumulation mode, for ensureing supplying hot water, supply water temperature adds exchanger main frame temperature rise equal to water tank temperature simultaneously, water tank temperature is lower 5-10 DEG C than alternate manner, condensation temperature necessarily reduces, and temperature difference third time again reduces, and Energy Efficiency Ratio is higher.Further, water tank temperature controls below 45 DEG C, avoid 45-55 degree antibacterial height idiophase so that much cleaner.
When electric efficiency is identical with compressor efficiency in systems, fluorine circulating heat pump is because adopting serpentine manner, and its caliber is little, and tube side is long, adopt conduction of heat transmission heat, therefore the coefficient of heat transfer and system effectiveness are all on the low side, and existing heat pump water blood circulation, when adopting directly-heated type, water pump decommissions, area of dissipation reduces, and relying part divides convection heat transfer' heat-transfer by convection and conduction of heat transmission heat, and therefore the coefficient of heat transfer and system effectiveness are all low. Cold and heat supply supplying hot water regulates system and adopts the heat exchanger of bigger than existing heat pump heat exchanger 30%, and water pump circulation is plus twin-stage is supercool and water tank low temperature regime, heat exchange efficiency and system effectiveness are of a relatively high.
Dual-energy water heater is in subcooling process, changing heat pump working condition, Energy Efficiency Ratio gets a promotion, and backwater and cold water are in subcooling process, water temperature gets a promotion, it is two-way gained, is also that franked income, backwater and cold water temperature are more low, Energy Efficiency Ratio is more big, the temperature rise that backwater and cold water obtain is also more big, and with heat pump at Energy Efficiency Ratio decline cold season contrast, part solves needs big calorimetric domestic hot-water supply and heating problem cold season.
The technical scheme above embodiment of the present invention provided is described in detail, principle and the embodiment of the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only applicable to help to understand the principle of the embodiment of the present invention; Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, all will change in detailed description of the invention and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (8)
1. cold and heat supply supplying hot water regulates a system, and including heat exchange loop, described heat exchange loop is provided with compressor, cross valve, the first heat exchanger, the second heat exchanger, the first subcooler, the second subcooler, filter, expansion valve, gas-liquid separator; Being connected by cross valve commutation, described heat exchange loop is adjusted to and heats loop and refrigerating circuit; In heating loop, the input of compressor connects the outfan of gas-liquid separator, the outfan of compressor is sequentially connected with the first heat exchanger, the first subcooler, the second subcooler, filter, expansion valve, the second heat exchanger by cross valve, and the second heat exchanger connects the input of gas-liquid separator again through cross valve; In refrigerating circuit, the input of compressor connects the outfan of gas-liquid separator, the outfan of compressor is sequentially connected with the second heat exchanger, expansion valve, filter, the second subcooler, the first subcooler, the first heat exchanger by cross valve, and the first heat exchanger connects the input of gas-liquid separator again through cross valve;
It is characterized in that:
The first heat exchanger in described heat exchange loop is additionally arranged in cold and heat supply water route, described cold and heat supply water route is additionally provided with water tank, the first water pump, floor heating pipe, user's use water connecting tube and fan coil, multiple electromagnetic valves are arranged in the connecting line in described cold and heat supply water route, make the water tank in described cold and heat supply water route, the first water pump, floor heating pipe, user's use water connecting tube and fan coil connect formation heating loop, heating water tanks loop, heat accumulation supplying hot water loop, supply cold loop, directly-heated supplying hot water loop by controlling the switch of the plurality of electromagnetic valve;
In heating loop, described heat exchange loop is adjusted to and heats loop, the outlet of described water tank connects the first pump entrance, first exit of pump connect described first heat exchanger heat entrance, the outlet that heats of described first heat exchanger connects floor heating pipe, backwater after floor heating pipe heat exchange flows into the entrance of described first subcooler, and the outlet of the first subcooler connects water tank moisturizing entrance;
In heating water tanks loop, described heat exchange loop is adjusted to and heats loop, and the outlet of water tank connects the first pump entrance, and the first exit of pump connects the entrance that heats of the first heat exchanger, and what the moisturizing entrance of water tank connected the first heat exchanger heats outlet;
In heat accumulation supplying hot water loop, described heat exchange loop is adjusted to and heats loop, the outlet of water tank connects the first pump entrance, what the first exit of pump connected the first heat exchanger heats entrance, the outlet connection user that heats of the first heat exchanger uses water connecting tube, backwater after user's use water connecting tube heat exchange flows into the entrance of described first subcooler, the outlet of the first subcooler connects water tank moisturizing entrance, the entrance of the second subcooler is cold water inlet, and the outlet of the second subcooler connects the entrance of the first subcooler;
For in cold loop, described heat exchange loop is adjusted to refrigerating circuit, the outlet of water tank connects the first pump entrance, and the first exit of pump connects the refrigeration entrance of the first heat exchanger, accesses the moisturizing entrance of water tank after the refrigeration outlet connecting fan coil pipe of the first heat exchanger;
In directly-heated supplying hot water loop, described heat exchange loop is adjusted to and heats loop, the entrance of the second subcooler is cold water inlet, the outlet of the second subcooler connects the entrance of the first subcooler, first subcooler outlet connect the first heat exchanger heat entrance, the outlet connection user that heats of the first heat exchanger uses water connecting tube, and user's use water connecting tube is connected with described first subcooler.
2. cold and heat supply supplying hot water according to claim 1 regulates system, it is characterised in that:
In described cold and heat supply water route, it is provided with six electromagnetic valves; First electromagnetic valve and the second electromagnetic valve are connected in the outlet of the first subcooler and the circuit heating between entrance of the first heat exchanger; Second electromagnetic valve is additionally attached in the circuit heating between entrance of the first water delivery side of pump and the first heat exchanger; 3rd electromagnetic valve is connected in the circuit between the refrigeration entrance of the first water delivery side of pump and the first heat exchanger; 4th electromagnetic valve is connected in the circuit heating between outlet of water tank moisturizing entrance and the first heat exchanger; 5th electromagnetic valve is connected in the circuit heated between outlet and floor heating pipe entrance of the first heat exchanger; 6th electromagnetic valve is connected in the circuit between refrigeration outlet and the fan coil of the first heat exchanger.
3. cold and heat supply supplying hot water according to claim 1 regulates system, it is characterised in that:
In heat accumulation supplying hot water loop, the circuit heated between outlet of user's use water connecting tube and the first heat exchanger is connected to water flow switch; Water return pipeline between user's use water connecting tube and the first subcooler is connected to return water temperature control valve.
4. the cold and heat supply supplying hot water according to any one of aforementioned claim 1-3 regulates system, it is characterized in that: be additionally provided with economizer, time overheated, the fluorine road input of overheated economizer is connected with the port of export of gas-liquid separator, and the fluorine road outfan of overheated economizer is connected with the input of compressor;The waterway inlet of overheated economizer exports with the backwater of floor heating pipe and is connected, and the water route outlet of overheated economizer is connected with the entrance of the first subcooler; Time supercool, the fluorine road input of supercool economizer and the outfan of the first heat exchanger connect, and the fluorine road outfan of supercool economizer and the second subcooler connect; The waterway inlet of supercool economizer and the outlet of the second subcooler connect, and the water route outlet of supercool economizer is connected with water tank water supplement port.
5. the cold and heat supply supplying hot water according to aforementioned claim 4 regulates system, it is characterised in that:
For in cold loop, it is also associated with the second water pump between tank outlet and the 4th electromagnetic valve, then the connected mode for cold loop is: the outlet of water tank connects the second pump entrance, second exit of pump connects the refrigeration entrance of the first heat exchanger by the 4th electromagnetic valve, accesses the moisturizing entrance of water tank after the refrigeration outlet connecting fan coil pipe of the first heat exchanger.
6. the cold and heat supply supplying hot water control method being used in claim 1, it is characterized in that, including: make the operational mode in described cold and heat supply water route be adjusted to operation heating loop, heating water tanks loop, heat accumulation supplying hot water loop, supply cold loop or directly-heated supplying hot water loop by controlling the switch of the multiple electromagnetic valves on connecting line.
7. cold and heat supply control method according to claim 6, it is characterised in that including:
Run heating loop modulation step: make the first pump working, open the second electromagnetic valve and the 5th electromagnetic valve, other closed electromagnetic valves;
Run heating water tanks loop modulation step: make the first pump working, open the second electromagnetic valve and the 4th electromagnetic valve, other electromagnetic valves and return water temperature control valve and close;
Run heat accumulation supplying hot water loop modulation step: connect water flow switch, make the first pump working, open the second electromagnetic valve and return water temperature control valve;
Run cooling loop modulation step: making the first water pump and fan coil work, open the 3rd electromagnetic valve and the 6th electromagnetic valve, other electromagnetic valves and return water temperature control valve are closed;
Run directly-heated supplying hot water loop modulation step: connect water flow switch, stop the first pump working, open the first electromagnetic valve and the second electromagnetic valve, other closed electromagnetic valves.
8. cold and heat supply control method according to claim 7, it is characterised in that including:
In running cooling loop modulation step, making the second water pump and fan coil work, open the 4th electromagnetic valve and the 6th electromagnetic valve, other electromagnetic valves and return water temperature control valve are closed.
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| CN203857708U (en) * | 2014-05-15 | 2014-10-01 | 罗伟强 | Cooling, heating and hot water supply regulating system |
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Effective date of registration: 20160909 Address after: 516006 Guangdong province Huizhou City Zhongkai high tech Zone Huifeng two East Road 16 B Room 101 Patentee after: Huizhou Bailing Energy-Saving Technology Co., Ltd. Address before: 516006 Guangdong province Huizhou City Zhongkai high tech Zone Huifeng two East Road 16 B Room 101 Patentee before: Luo Weiqiang |