CN101666548B - Solar heat pump water heater for commercial use - Google Patents
Solar heat pump water heater for commercial use Download PDFInfo
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- CN101666548B CN101666548B CN2009100184165A CN200910018416A CN101666548B CN 101666548 B CN101666548 B CN 101666548B CN 2009100184165 A CN2009100184165 A CN 2009100184165A CN 200910018416 A CN200910018416 A CN 200910018416A CN 101666548 B CN101666548 B CN 101666548B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 310
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 230000003020 moisturizing effect Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 239000008236 heating water Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a solar heat pump water heater for commercial use, comprising a heat pump unit, wherein a second heat interchanger and a first heat interchanger are installed on a pipeline of the heat pump unit, the second heat interchanger is connected with one end of a second water recharge pipe, one end of the second water recharge pipe is connected with a water tank, a first electric valve and an eleventh temperature sensor are installed on the second water recharge pipe, the first heat interchanger is connected with one end of a communicating pipe, the other end of the communicating pipe is connected with the second heat interchanger, and a second electromagnetic valve is installed on the communicating pipe; and the first heat interchanger is respectively connected with one end of a water inlet pipe and one end of a water outlet pipe of the water tank, one end of the water inlet pipe and one end of the water outlet pipe are respectively connected with the water tank, a one way valve and a first water pump are installed on the water outlet pipe of the water tank, a first water flow switch, a ninth temperature sensor and a second electric valve are installed on the water inlet pipe of the water tank, and a heat exchange pipe coil is installed in the water tank and is connected with a solar heat collector by solar liquid inlet-outlet pipes. By utilizing the heat pump and a solar device, heat is directly supplied to the water tank by the water heater, thereby furthest giving play to the heating function of the heat pump and the solar energy.
Description
Technical field
The present invention relates to a kind of Teat pump boiler, exactly is a kind of solar heat pump water heater for commercial use.
Background technology
Existing all kinds of solar heat pump water heater for commercial use, one class is the heat transfer medium that utilizes the solar energy heating evaporator with heat pump outer, hope improves the heating efficiency of heat pump with this, another kind of is to utilize heat pump that the water in the solar water container is spread to help heating, so that improve the quality that solar energy goes out hot water, but the work effect of its reality is all undesirable; And, the defective that existing all kinds of solar heat-pump water heaters all exist the heat of heat pump to make full use of, the cold-producing medium that heat pump is flowed through after the water tank heat release still has a large amount of heat energy, and the heat of this part all can't utilize at present, causes energy waste.
Summary of the invention
Purpose of the present invention, provided a kind of solar heat pump water heater for commercial use, it utilizes heat pump and solar energy equipment directly to be the water tank heat supply, can bring into play the effect of heat pump and solar energy heating to greatest extent, practical application effect is better, can separate the problem that prior art exists; And it can make full use of the heat in the cold-producing medium in the heat pump to greatest extent, can save the energy, improves the operating efficiency of heat pump.It also adopts the ultrasonic water level detector to carry out the water-level detecting of water-heater water tank, can survey cistern water level accurately, can make Teat pump boiler that the water in the water-heater water tank is carried out accurate moisturizing, heats, goes out water management.Thereby can improve the water outlet proportion and the hot water quality of Teat pump boiler greatly.Compare with the water level transmitter of working pressure level sensor, can significantly reduce the manufacturing cost of water heater; In addition, it uses automatic pump to carry out water outlet and carries, need not the hot water in the water-heater water tank to be ejected by the hydraulic pressure of running water, hot water is flowed out prevent that simultaneously cold water from entering water tank, guarantee the water tank water temperature inside accomplish on request constant, thereby, make the user can obtain high-quality hot water, under the identical situation of water tank capacity, can improve the water yield of water heater greatly, through test of many times checking solar heat pump water heater for commercial use of the present invention, fall in the water tank water temperature under the condition of 10 degree, can reach 110% by water tank capacity than water rate, and present the falling under the conditions of 10 degree water rate in temperature and have only 69 left and right sides % of Teat pump boiler national Specification.So this invention can make the water rate of Teat pump boiler improve 41%, under current condition of technology and economy to energy savings, build a conservation-minded society have huge technology, economy and social meaningful.
The objective of the invention is to be achieved through the following technical solutions: solar heat pump water heater for commercial use, comprise source pump, source pump is by compressor, evaporimeter, four-way change-over valve and throttling arrangement connect and compose by pipeline, second heat exchanger and first heat exchanger are installed on the pipeline between throttling arrangement and the four-way change-over valve, second heat exchanger is between first heat exchanger and throttling arrangement, second heat exchanger is connected with an end of second filling pipe, one end of second filling pipe is connected with water tank, first motor-driven valve and the 11 temperature detector are installed on second filling pipe, first heat exchanger is connected with an end of cross over pipe, the other end of cross over pipe is connected with second heat exchanger, second magnetic valve is installed on the cross over pipe, first heat exchanger is connected with an end of tank inlet pipe and radiator drain respectively, one end of tank inlet pipe and radiator drain is connected with water tank respectively, the check valve and first water pump are installed on the radiator drain, first water flow switch is installed on the tank inlet pipe, the 9th temperature detector and second motor-driven valve, heat exchange coil is installed in the water tank, heat exchange coil is connected with solar thermal collector with the solar energy feed tube by the solar energy drain pipe, solar thermal collector is positioned at outside the water tank, the 3rd water flow switch and circulating pump are installed on the solar energy feed tube, steam vent is set on the water tank.
For further realizing purpose of the present invention, can also realize by the following technical solutions: position-limited rack is installed in the water tank, one end of position-limited rack is connected with the water tank sidewall, constitute the space between position-limited rack and the water tank, delivery hose is installed in the water tank, ball float is installed in the upper end of delivery hose, and the lower end of delivery hose is connected with the delivery port of water tank, and the space is passed in the upper end of delivery hose.The ultrasonic water level detector is installed at the top of water tank, and the reflection guide pipe is installed in the water tank, and the reflection guide pipe is positioned under the ultrasonic water level detector.The lower end of reflection guide pipe is near the bottom of water tank.Water circulation pipe is installed out on the water tank, the two ends that go out water circulation pipe are connected with water tank respectively, go out second water flow switch, the 5th water pump, second temperature detector and the 3rd magnetic valve are installed on the water circulation pipe, on the pipeline between the 5th water pump and second temperature detector outlet pipe is installed.On the pipeline between compressor and the four-way change-over valve gas-liquid separator is installed.The solar energy temperature sensor is installed on the solar thermal collector.Helical guideway is installed in the water tank, between the inwall of helical guideway and water tank ball float is installed, delivery hose is installed on the ball float, ball float is connected with the water inlet end of delivery hose, and the lower end of delivery hose is connected with the delivery port of water tank and communicates.The water tank temperature sensor is installed in the water tank.The 5th water pump is an automatic pump.
Good effect of the present invention is: it is equipped with spiral guide rail, between guide rail and the tank inner wall delivery hose is installed, ball float is installed on the delivery hose, can guarantee that on the one hand outlet pipe is in the topmost surface in the water tank all the time, exportable high-quality hot water, on the other hand, spiral-shaped guide can prevent effectively that the upper water-out flexible pipe twines, and can make ball float drive delivery hose and in time move up and down with water level.It utilizes the ultrasonic water level detector to substitute existing water level switch and pressure sensor detects the interior water level of water-heater water tank, can reduce the manufacturing cost of water heater integral body, the precision that can flood again simultaneously and detect; It utilizes ultrasonic water level detector and magnetic valve and water pump interlock control, controlled water outlet, water inlet and the heating state that heats water heater tank, make the hydraulic pressure that hot water breaks away from running water system fully that of water heater, guarantee that water temperature in the water tank keeps constant by designing requirement in user's water utilizing process, make the user can obtain high-quality hot water, improve the water yield and the water tank utilization rate of Teat pump boiler.It also can utilize heat pump to add the water temperature of the heat heating moisturizing in the cold-producing medium behind the hot water, thereby, can save the energy, improve the operating efficiency of heat pump.The present invention also has compactness simple for structure, easy to use, advantage that leaving water temperature is stable.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is the structural representation of water tank, and helical guideway is installed in the water tank among the figure; Fig. 3 is the structural representation of water tank, and position-limited rack is installed in the water tank among the figure; Fig. 4 is the A-A sectional structure schematic diagram of Fig. 3, for clearly expressing the position relation of water tube hose and position-limited rack, has omitted parts such as heat exchange coil, reflection guide pipe and condenser among the figure.
：1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 4344 45 46 47 48 49 a b c d e f g h。
The specific embodiment
Solar heat pump water heater for commercial use of the present invention, comprise source pump, source pump is connected and composed by pipeline by compressor 19, evaporimeter 13, four-way change-over valve 20 and throttling arrangement 14, and second heat exchanger 43 and first heat exchanger 36 are installed on the pipeline between throttling arrangement 14 and the four-way change-over valve 20; Second heat exchanger 43 and first heat exchanger 36 are equivalent to the condenser portion of source pump, are used to make the interior cold-producing medium of source pump to extraneous heat release; Be convenient structure annexation and the operation principle of describing heat pump, air inlet, liquid outlet and intake-outlet on second heat exchanger 43 and first heat exchanger 36 are marked with alphabetical a to h respectively, concrete mark is as follows, the first liquid outlet e, air inlet f, water inlet g and delivery port h are arranged on second heat exchanger 43, the first liquid outlet e, air inlet f communicate, water inlet g, delivery port h communicate, and the first liquid outlet e, air inlet f are connected with the pipeline of source pump respectively and communicate; The second liquid outlet a, inlet b, moisturizing inlet c and moisturizing outlet d are set on first heat exchanger 36, the second liquid outlet a, inlet b communicate, moisturizing inlet c, moisturizing outlet d communicate, and the second liquid outlet a, inlet b are connected with the pipeline of source pump respectively and communicate; Second heat exchanger 43 is between first heat exchanger 36 and throttling arrangement 14, the moisturizing outlet d of second heat exchanger 43 is connected with an end of second filling pipe 16, one end of second filling pipe 16 is connected with water tank 1, first motor-driven valve 47 and the 11 temperature detector 18 are installed on second filling pipe 16, the water inlet g of first heat exchanger 36 is connected with an end of cross over pipe 46, the other end of cross over pipe 46 is connected with the moisturizing outlet d of second heat exchanger 43, second magnetic valve 42 is installed on the cross over pipe 46, the water inlet g of first heat exchanger 36, delivery port h is connected with an end of tank inlet pipe 40 and radiator drain 41 respectively, one end of tank inlet pipe 40 and radiator drain 41 is connected with water tank 1 respectively, the check valve 22 and first water pump 37 are installed on the tank inlet pipe 40, first water flow switch, 49, the nine temperature detectors 8 and second motor-driven valve 23 are installed on the radiator drain 41; Water tank 1 connects and composes Teat pump boiler with source pump; For saving the energy, as depicted in figs. 1 and 2, heat exchange coil 31 is installed in the water tank 1, heat exchange coil 31 is connected with solar thermal collector 26 with solar energy feed tube 25 by solar energy drain pipe 27, solar thermal collector 26 is positioned at outside the water tank 1, the 3rd water flow switch 35 and circulating pump 7 are installed on the solar energy feed tube 25, steam vent 17 is set on the water tank 1; Heat exchange coil 31, solar energy drain pipe 27, solar energy feed tube 25 and solar thermal collector 26 connect and compose the collecting system of solar water heater, and solar thermal collector 26 becomes heat energy with the transform light energy of the sun, heat the heat-conducting medium in it; Heat-conducting medium circulates between heat exchange coil 31 and solar thermal collector 26 through solar energy drain pipe 27 and solar energy feed tube 25, thus the water in the continuous heating water tank 1.The collecting system of above-mentioned solar water heater can be existing plate-type solar thermal collector, also can be existing common solar circulation heat collector.For the heat-conducting medium in the collecting system of guaranteeing solar water heater circulates effectively, improve heat exchange efficiency, solar energy feed tube 25 can be installed circulating pump 7, and circulating pump 7 also can be installed on the solar energy drain pipe 27, and its function and effect are identical; For realizing control to circulating pump 7, can sun pipeline temperature sensor 34 be installed on solar energy drain pipe 27, solar energy temperature sensor 33 is installed on solar thermal collector 26.The heat-conducting medium temperature is higher than the temperature in the water tank 1 in solar energy temperature sensor 33 records solar thermal collector 26, and can control circulating pump 7 and start, thereby, utilize the water in the heat heating water tank 1 that solar thermal collector 26 collects; When the temperature that records heat-conducting medium in the solar energy drain pipe 27 when sun pipeline temperature sensor 34 reaches setting value, illustrate that water tank 1 interior water temperature has reached setting value, thereby, can control circulating pump 7 and quit work.Described throttling arrangement 14 can be the throttling dropping equipment of existing choke valve or capillary one class.The moisturizing outlet d of second heat exchanger 43 can be connected with an end of second filling pipe 16 and cross over pipe 46 respectively by three-way pipe; The water inlet g of first heat exchanger 36 is connected with an end of cross over pipe 46 and radiator drain 41 respectively by three-way pipe.
Water circulation pipe 4 is installed out on the water tank 1, the two ends that go out water circulation pipe 4 are connected with the circulation mouth of a river with the delivery port of water tank 1 respectively, go out on the pipeline of installing on the water circulation pipe 4 between second water flow switch 6, the 5th water pump 9, second temperature detector 12 and the 3rd magnetic valve 15, the five water pumps 9 and second temperature detector 12 outlet pipe 48 is installed.During water, the 3rd magnetic valve 15 cuts out, and hot water flow to water terminals such as shower nozzle through water circulation pipe 4 and outlet pipe 48 successively by water tank 1 and uses for the user; When non-with under the water state, and when the water temperature in the circulation line 4 is lower than design temperature, close the water terminal, open the 3rd magnetic valve 15, hot water can guarantee the water temperature in the circulation line going out circulation between water circulation pipe 4 and the water tank 1, when user's water, the water terminals such as tap of fetching boiling water can obtain temperature required hot water at once, thereby, can reach conserve water resource and purpose easy to use.
In order to protect compressor 19, prevent that liquid from entering compressor 19, on the pipeline between compressor 19 and the four-way change-over valve 20 gas-liquid separator 45 can be installed.
The operation principle of described solar heat pump water heater for commercial use:
Close source pump when sufficient sunshine, utilizes solar thermal collector 26 and heat exchange coil 31 to be water tank 1 heat supply; Sunshine is when not enough, start source pump, water in source pump, first heat exchanger 36 and second heat exchanger, 43 heating water tank 1, that is, source pump is carried out heat exchange by the water in heat exchanger first heat exchanger 36, tank inlet pipe 40, radiator drain 41 and the 9th temperature detector 8 and the water tank 1.
Heat pump work has two kinds of work shapes usually again, i.e. moisturizing heated condition and insulation circulation heated condition in water tank 1.
The moisturizing heating:
The moisturizing inlet c of second heat exchanger 43 is connected with running water system by first filling pipe 3, controlling first motor-driven valve 47 closes, second motor-driven valve 23 and second magnetic valve 42 are opened, running water second heat exchanger 43 of flowing through earlier, after the waste heat of sorption type heat pump cold-producing medium heats up in second heat exchanger 43, flow into first heat exchanger 36 through second magnetic valve 42, the heat absorption laggard water tank 1 of going into that heats up in first heat exchanger 36, after determining coolant-temperature gage by the 9th temperature detector 8, control device is again according to the situation of setting the temperature that leaving water temperature and the 9th temperature detector 8 record, adjust the aperture of second motor-driven valve 23, be exactly specifically: when the temperature that records when the 9th temperature detector 8 is lower than design temperature, turn the aperture of second motor-driven valve 23 down, when the temperature that records when the 9th temperature detector 8 is higher than design temperature, transfer the aperture of big second motor-driven valve 23, so just can make running water, can reach design temperature through above-mentioned twice heating is laggard when going into water tank 1.In this course of work, first water pump 37 quits work, and check valve 22 can prevent that running water from flowing into water tank 1 by 41.In water tank 1, during a large amount of moisturizing, adopt this duty of heat pump.For realizing automation control, on first filling pipe 3 the 5th temperature detector 2 can be installed.Described control device can be Programmable Logic Controller, industrial computer or computer.
The circulation heating:
When need are incubated heating to the water in the water tank 1, controlling second magnetic valve 42 closes, first water pump 37, first motor-driven valve 47 and second motor-driven valve 23 are opened, water in the water tank 1 is under the effect of first water pump 37, flow into first heat exchanger 36 through radiator drain 41 and heat, the water after the heating is in tank inlet pipe 40 reflow tanks 1.In this process, after determining coolant-temperature gage by the 11 temperature detector 18, control panel is again according to the situation of setting the temperature that leaving water temperature and the 11 temperature detector 18 record, adjust the aperture of second motor-driven valve 23, be exactly specifically: when the temperature that records is lower than design temperature, turn the aperture of second motor-driven valve 23 down, when the temperature that records is higher than design temperature, transfer the aperture of big second motor-driven valve 23, can reach design temperature after so just can making water in the water tank 1 through the heating of first heat exchanger 36.Also moisturizing in water tank 1 simultaneously in the circulation heating process, specifically be, first motor-driven valve 47 is opened, low temperature running water flow through second heat exchanger 43, first motor-driven valve 47 and second water pipe 16, go into water tank 1 through the heating of second heat exchanger 43 is laggard, in the time of just can utilizing this moment compressor 19 to work, the waste heat of cold-producing medium is to the running water preheating of heating, thereby reaches the purpose that heat pump refrigerating agent waste heat is reclaimed.Detailed process is, measure coolant-temperature gage the 11 temperature detector 18 to measure the temperature of the water that flows out second heat exchanger 43 by the 5th temperature detector 2, again the temperature difference of the two is compared, when the temperature difference when setting the temperature difference, control device is transferred the aperture of big first motor-driven valve 47, when having a narrow range of temperature, reduces the aperture of first motor-driven valve 47, obtain a constant temperature temperature rise in the time of so just can making running water flow through second heat exchanger 43, thereby reach the purpose of the waste heat that utilizes heat pump to greatest extent.After setting some other controlled conditions, can also play adjusting simultaneously by the aperture of adjusting first motor-driven valve 47 and enter the rate of water make-up of water tank 1 and the temperature action of moisturizing, so promptly can reach the purpose that the heat pump waste heat is reclaimed and to guarantee that again the water temperature in the water tank can reach the requirement of use.
As shown in Figures 2 and 3, ultrasonic water level detector 11 is installed at the top of water tank 1, and reflection guide pipe 10 is installed in the water tank 1, and reflection guide pipe 10 is positioned under the ultrasonic water level detector 11.The ultrasonic wave that ultrasonic water level detector 11 sends is downward along the inwall refraction of reflection guide pipe 10, have only when needing the water surface, just can reflect upwards, therefore, reflection guide pipe 10 can prevent that the ultrasonic wave that ultrasonic water level detector 11 sends from being reflected by the miscellaneous part in first heat exchange coil the 9th temperature detector 8 or the water tank 1, can guarantee the precision of ultrasonic water level detector 11 measurement water levels.For improving the precision of measuring water level, the lower end of reflection guide pipe 10 is near the bottom of water tank 1.
For increasing the heat exchange area of heat exchange coil 31, the periphery of heat exchange coil 31 is provided with fin.
For precisely detecting the water temperature situation in the water tank 1, in the water tank 1 water tank temperature sensor 21 can be installed, water tank temperature sensor 21 is connected with described control device by lead.
For guaranteeing that the water of discharging in the water tank 1 all is the hot water in the water tank 1, the water at low temperature that prevents water tank 1 bottom flows out, as shown in Figure 2, helical guideway 28 is installed in the water tank 1, ball float 30 is installed between the inwall of helical guideway 28 and water tank 1, ball float 30 can be in water tank 1 moves up or down under the effect of the water surface, ball float 30 is connected with the upper end of delivery hose 32, be that ball float 30 is connected with the water inlet end of delivery hose 32, the water inlet end of delivery hose 32 is in the topmost surface of water tank 1 all the time, thereby, the water that can guarantee to enter delivery hose 32 all is the hot water in the water tank 1, the lower end of delivery hose 32 is connected with the delivery port of water tank 1 and communicates, and promptly is connected with water circulation pipe 4 to communicate.For easy to connect ball float 30 is connected with delivery hose 32, ball float 30 can be connected with delivery hose 32 by chain sling 29.Helical guideway 28 constitutes spacing space 39 with water tank 1 inwall, ball float 30 and delivery hose 32 can only be moved up and down in 39 scope, can guarantee that ball float 30 moves up and down flexibly, prevent that delivery hose 32 from twining, thereby, guarantee that the upper end of delivery hose 32 is positioned at the topmost surface of water tank 1 all the time, what guarantee water tank 1 output all is high-quality hot water.
For guaranteeing that the water of discharging in the water tank 1 all is hot water, and guarantee can not influence lifting process in the delivery hose 32 following water-level lifting processes because of winding, also can adopt following scheme, position-limited rack 38 is installed in the water tank 1, one end of position-limited rack 38 is connected with water tank 1 sidewall, constitute space 39 between position-limited rack 38 and the water tank 1, delivery hose 32 is installed in the water tank 1, ball float 30 is installed in the upper end of delivery hose 32, the lower end of delivery hose 32 with go out water circulation pipe 4 and be connected, space 39 is passed in the upper end of delivery hose 32, and no matter delivery hose 32 rises with water level still descends, and all can move in the scope in space 39.During actual processing and manufacturing, position-limited rack 38 can be L shaped, and as shown in Figure 2, the upper end of position-limited rack 38 is connected with the sidewall of water tank 1, and the lower end of position-limited rack 38 is connected with the bottom of water tank 1; Position-limited rack 38 also can be a U-shaped, and position-limited rack 38 its two ends of U-shaped all can be connected with the sidewall of water tank 1 respectively.
First motor-driven valve 47 and second motor-driven valve 23 both can be the external temperature motor-driven valves of temperature sensor, also can be the built-in temperature-control electric valves of temperature sensor.Water flow switch of the present invention can be existing all kinds of automatically controlled water valve.
When solar heat pump water heater for commercial use of the present invention uses under the big environment of water consumptions such as hotel, school, bath center, its practical effect the best.
The present invention not technology contents of detailed description is known technology.
Claims (10)
1. solar heat pump water heater for commercial use, comprise source pump, source pump is by compressor (19), evaporimeter (13), four-way change-over valve (20) and throttling arrangement (14) connect and compose by pipeline, it is characterized in that: second heat exchanger (43) and first heat exchanger (36) are installed on the pipeline between throttling arrangement (14) and the four-way change-over valve (20), second heat exchanger (43) is positioned between first heat exchanger (36) and the throttling arrangement (14), second heat exchanger (43) is connected with an end of second filling pipe (16), one end of second filling pipe (16) is connected with water tank (1), second filling pipe (16) is gone up first motor-driven valve (47) and the 11 temperature detector (18) is installed, first heat exchanger (36) is connected with an end of cross over pipe (46), the other end of cross over pipe (46) is connected with second heat exchanger (43), cross over pipe (46) is gone up second magnetic valve (42) is installed, first heat exchanger (36) is connected with the end of tank inlet pipe (40) with radiator drain (41) respectively, one end of tank inlet pipe (40) and radiator drain (41) is connected with water tank (1) respectively, radiator drain (41) is gone up check valve (22) and first water pump (37) is installed, tank inlet pipe (40) is gone up first water flow switch (49) is installed, the 9th temperature detector (8) and second motor-driven valve (23), heat exchange coil (31) is installed in the water tank (1), heat exchange coil (31) is connected with solar thermal collector (26) with solar energy feed tube (25) by solar energy drain pipe (27), solar thermal collector (26) is positioned at outside the water tank (1), solar energy feed tube (25) is gone up the 3rd water flow switch (35) and circulating pump (7) is installed, and steam vent (17) is set on the water tank (1).
2. solar heat pump water heater for commercial use according to claim 1, it is characterized in that: position-limited rack (38) is installed in the water tank (1), one end of position-limited rack (38) is connected with water tank (1) sidewall, constitute space (39) between position-limited rack (38) and the water tank (1), delivery hose (32) is installed in the water tank (1), ball float (30) is installed in the upper end of delivery hose (32), and the lower end of delivery hose (32) is connected with the delivery port of water tank (1), and space (39) is passed in the upper end of delivery hose (32).
3. solar heat pump water heater for commercial use according to claim 1, it is characterized in that: ultrasonic water level detector (11) is installed at the top of water tank (1), reflection guide pipe (10) is installed in the water tank (1), and reflection guide pipe (10) is positioned under the ultrasonic water level detector (11).
4. solar heat pump water heater for commercial use according to claim 3 is characterized in that: the lower end of reflection guide pipe (10) is near the bottom of water tank (1).
5. solar heat pump water heater for commercial use according to claim 1, it is characterized in that: water circulation pipe (4) is installed out on the water tank (1), the two ends that go out water circulation pipe (4) are connected with water tank (1) respectively, go out water circulation pipe (4) and go up installation second water flow switch (6), the 5th water pump (9), second temperature detector (12) and the 3rd magnetic valve (15), on the pipeline between the 5th water pump (9) and second temperature detector (12) outlet pipe (48) is installed.
6. solar heat pump water heater for commercial use according to claim 1 is characterized in that: on the pipeline between compressor (19) and the four-way change-over valve (20) gas-liquid separator (45) is installed.
7. solar heat pump water heater for commercial use according to claim 1 is characterized in that: solar thermal collector (26) is gone up solar energy temperature sensor (33) is installed.
8. solar heat pump water heater for commercial use according to claim 1, it is characterized in that: helical guideway (28) is installed in the water tank (1), ball float (30) is installed between the inwall of helical guideway (28) and water tank (1), ball float (30) is gone up delivery hose (32) is installed, ball float (30) is connected with the water inlet end of delivery hose (32), and the lower end of delivery hose (32) is connected with the delivery port of water tank (1) and communicates.
9. solar heat pump water heater for commercial use according to claim 1 is characterized in that: water tank temperature sensor (21) is installed in the water tank (1).
10. solar heat pump water heater for commercial use according to claim 5 is characterized in that: the 5th water pump (9) is an automatic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100184165A CN101666548B (en) | 2009-09-15 | 2009-09-15 | Solar heat pump water heater for commercial use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100184165A CN101666548B (en) | 2009-09-15 | 2009-09-15 | Solar heat pump water heater for commercial use |
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| Publication Number | Publication Date |
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| CN101666548A CN101666548A (en) | 2010-03-10 |
| CN101666548B true CN101666548B (en) | 2011-04-13 |
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| CN2009100184165A Expired - Fee Related CN101666548B (en) | 2009-09-15 | 2009-09-15 | Solar heat pump water heater for commercial use |
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|---|---|---|---|---|
| CN103225859A (en) * | 2013-04-11 | 2013-07-31 | 王子忠 | Environment-friendly, energy-saving, solar-energy and variable-capacity air conditioning hot water system |
| CN104566966A (en) * | 2013-10-15 | 2015-04-29 | 珠海兴业绿色建筑科技有限公司 | Heat pipe assisted solar heat pump system |
| CN104566961A (en) * | 2014-11-26 | 2015-04-29 | 江门市凯立信电气科技有限公司 | Heat-pump water heater capable of keeping water temperature constant |
| CN110160255B (en) * | 2019-05-28 | 2024-04-16 | 广东万和电气有限公司 | Water storage type electric water heater |
| CN113776110A (en) * | 2021-08-13 | 2021-12-10 | 华电电力科学研究院有限公司 | Comprehensive energy supply system for coal mine |
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| CN2682318Y (en) * | 2004-01-19 | 2005-03-02 | 董凯军 | Solar energy thermal-aided air conditioning and water heating system |
| CN2705749Y (en) * | 2004-04-01 | 2005-06-22 | 李英华 | Solar energy heat pump type water heater |
| CN2886390Y (en) * | 2006-02-05 | 2007-04-04 | 高秀明 | Automatic liquid supplementing heat pump heating device |
| JP2007170690A (en) * | 2005-12-19 | 2007-07-05 | Sharp Corp | Heat pump water heater and its control method |
| CN2935013Y (en) * | 2006-08-10 | 2007-08-15 | 江苏天银电器有限公司 | Solar heat pump water heater |
| CN201476324U (en) * | 2009-09-15 | 2010-05-19 | 高秀明 | Commercial solar heat pump water-heater |
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Patent Citations (6)
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| CN2682318Y (en) * | 2004-01-19 | 2005-03-02 | 董凯军 | Solar energy thermal-aided air conditioning and water heating system |
| CN2705749Y (en) * | 2004-04-01 | 2005-06-22 | 李英华 | Solar energy heat pump type water heater |
| JP2007170690A (en) * | 2005-12-19 | 2007-07-05 | Sharp Corp | Heat pump water heater and its control method |
| CN2886390Y (en) * | 2006-02-05 | 2007-04-04 | 高秀明 | Automatic liquid supplementing heat pump heating device |
| CN2935013Y (en) * | 2006-08-10 | 2007-08-15 | 江苏天银电器有限公司 | Solar heat pump water heater |
| CN201476324U (en) * | 2009-09-15 | 2010-05-19 | 高秀明 | Commercial solar heat pump water-heater |
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| CN101666548A (en) | 2010-03-10 |
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