CN1590912A - Hot water supplying device for heat pump - Google Patents
Hot water supplying device for heat pump Download PDFInfo
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- CN1590912A CN1590912A CNA2004100708384A CN200410070838A CN1590912A CN 1590912 A CN1590912 A CN 1590912A CN A2004100708384 A CNA2004100708384 A CN A2004100708384A CN 200410070838 A CN200410070838 A CN 200410070838A CN 1590912 A CN1590912 A CN 1590912A
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- hot water
- heat
- water
- accumulation
- heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—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
- 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
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/48—Water heaters for central heating incorporating heaters for domestic water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
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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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
To reduce thermal loss in a hot water tank, about a heat pump hot water supplier equipped with the hot water tank for storing hot water heated by a heat pump. As the heat pump hot water supplier is equipped with the heat pump 1 for heating water to be supplied, the hot water tank 21 for storing the hot water heated by the heat pump 1, a first hot water supply pipe for communicating a hot water supply port of the heat pump 1 with a top part of the hot water tank 21, a second hot water supply pipe for communicating a water supply source and a bottom part of the hot water tank, a water supply pump 23 for supplying water at the bottom part of the hot water tank 21 to the heat pump 1 and a hot water quantity adjusting means for adjusting hot water quantity to be equal to or more than a setting quantity by activating the heat pump 1 and the water supply pump 23 when detecting that hot water quantity in the hot water tank equal to or hotter than a setting temperature is less than the setting quantity, thermal loss at the hot water tank can be reduced.
Description
Technical field
The present invention relates to hot water supplying device for heat pump, the hot water supplying device for heat pump that particularly has the accumulation of heat tank, uses by the warmed-up hot water of heat pump with storage.
Background technology
As existing hot water supplying device for heat pump, be to drive heat pump cheap night at electric power, in the accumulation of heat tank, be filled with warmed-up supply water, supply with the water that uses thus by day.
And under the situation with the heat pump heated feed water, if the temperature change of outside atmosphere, the running efficiency that heat pump takes place sometimes changes, the situation that the hot water temperature changes in the accumulation of heat tank.Therefore, proposed corresponding to outside atmosphere temperature, adjust the compressed capability of heat pump, corresponding to the change of outside atmosphere temperature, make the stable method of hot water temperature (with reference to patent documentation 1).
In addition, the use amount of hot water is generally along with the temperature change of outside atmosphere.Therefore, if adopt the heat accumulation water mode of storing predetermined calorimetric water, then when smaller summer of for example use amount, the hot water amount is surplus, and on the other hand, and when bigger winter of use amount, the hot water amount is with deficiency.According to existing heat accumulation water mode,, need the long period to make the boiling of scheduled volume hot water once more in case the situation that hot water is used up takes place.Therefore, use up, in the capacity (for example being 300-450L) that increases the accumulation of heat tank, store with high temperature (for example 90 ℃) as far as possible, by using with big water gaging dilution for preventing hot water.
Patent documentation 1: the spy opens the 2001-255004 communique
But if the accumulation of heat tank maximizes, the thing followed is the space to be set increase, and must increase the intensity that the bottom surface is set.Therefore, in the narrow space of the balcony in apartment or building etc., be difficult to install, and when Handling device, existing needs the more labour and the problem of expense.
Therefore considered a kind of such method, with heat pump and accumulation of heat tank and usefulness, after just having begun for hot water, the hot water that use is stored in the accumulation of heat tank carries out operating to hot water, drive heat pump during this period, when the heating efficiency of heat pump is stablized, stop to give hot water from the accumulation of heat tank, switch to by heat pump and directly supply with hot water.Thus, have and to reduce the hot water amount who is stored in the accumulation of heat tank significantly, make the advantage of accumulation of heat tank miniaturization.
But, even in the hot water supplying device that is mounted with this miniaturization accumulation of heat tank owing to stored the hot water of the scheduled volume higher than environment temperature, can not avoid from the accumulation of heat flume wall towards outside the heat loss of dispersing.Therefore, because the temperature of outside atmosphere has increased heat loss, the result causes energy loss, therefore improves leeway also existing aspect the accumulation of heat tank heat loss.
Problem of the present invention is the heat loss that reduces in the accumulation of heat tank.
Summary of the invention
Being characterized as of hot water supplying device for heat pump of the present invention: have the heat pump that feedwater is heated usefulness, storage is by the accumulation of heat tank of the warmed-up hot water of heat pump, be communicated with first of heat pump hot water outlet and accumulation of heat sink top and give hot-water line, be communicated with the accumulation of heat sink top and give hot-water line for hot water mouth's second, the feed pipe that is communicated with water-supply source and accumulation of heat bottom of gullet, from the feed pump of accumulation of heat bottom of gullet to the heat pump feedwater, and the hot water amount adjusts assembly, this hot water amount adjusts the hot water amount more than design temperature in the component detection accumulation of heat tank, when the not enough setting value of this detected value, heat pump and feed pump are driven, the hot water amount is adjusted to more than the set amount.
According to this structure, for example, set the hot water amount's (accumulation of heat water yield) in the accumulation of heat tank in right amount by corresponding to the temperature of outside atmosphere etc., can reduce because the heat loss that superfluous storage hot water produces.That is, externally atmospheric temperature is during higher summer, and the use amount of hot water is little, and temperature also reduces slowlyer in the accumulation of heat tank, therefore can set the accumulation of heat water yield less.On the contrary, during winter that externally atmospheric temperature is lower, the hot water use amount is bigger, and temperature also reduces comparatively fast in the accumulation of heat tank, therefore can set the accumulation of heat water yield bigger.
In this case, preferred first and second are communicated with to hot-water line.Can behind the stable operation of heat pump, directly carry out to the hot water operation thus, even therefore accumulation of heat tank miniaturization also the situation that hot water is used up need not take place from heat pump.In addition, the substitute mode as the hot water amount who reduces the accumulation of heat tank also can reduce the hot water temperature, therefore can improve the efficiency of heating surface of heat pump.
Particularly, make this device have the heat pump of heated feed water, storage is by the accumulation of heat tank of the warmed-up hot water of heat pump, be communicated with first of heat pump hot water outlet and accumulation of heat sink top and give hot-water line, being communicated with first gives hot-water line and gives hot-water line for hot water mouth's second, the feed pipe that is communicated with water-supply source and accumulation of heat bottom of gullet, from the feed pump of accumulation of heat bottom of gullet to the heat pump feedwater, and the hot water amount adjusts assembly and Control Component, this hot water amount adjusts the hot water amount more than design temperature in the component detection accumulation of heat tank, when the not enough setting value of this detected value, heat pump and feed pump are driven, the hot water amount is adjusted to more than the set amount, this Control Component is by detecting the opening of giving the hot water mouth, start heat-exchanger pump, after the heating efficiency of heat-exchanger pump was stablized, beginning was fed water to heat pump.
In addition, adjust assembly as the hot water amount, at least a temperature in preferred detection outside atmosphere temperature and the feed temperature, and changeably set amount is set based on this detected temperatures.Thus,,, change the hot water amount aptly, can keep optimal heat water yield state according to detected temperatures by pre-determining the optimal heat water yield with respect to detected temperatures.In addition, compare with the outside atmosphere temperature, general change such as the feed temperature of water supply pipe water etc. is less, and therefore the reliability height more preferably detects.
In addition, a plurality of temperature sensors are installed on the short transverse of accumulation of heat tank,, can be detected the above hot water amount of design temperature based on the detected directly or indirectly detected temperatures of temperature sensor.That is, in the accumulation of heat tank, hot water forms different layers and holds completely whole groove at above-below direction with water, even make that thus the hot water amount does not change, the water yield also can change.Therefore by a plurality of location detection temperature on short transverse, can detect the above hot water amount of design temperature.
According to the present invention, can reduce the heat loss in the accumulation of heat tank.
Description of drawings
Fig. 1 is for showing the structure chart that is suitable for a hot water supplying device for heat pump example of the present invention.
Fig. 2 is for showing the ideograph of an example of water-refrigerant heat exchanger among Fig. 1.
Fig. 3 is an example of Fig. 1 bathing pool heat exchanger, (a) shows the sectional view of seeing from the side, (b) sectional view for seeing from the front.
The flow chart of the running operation when Fig. 4 installs the hot water supplying device of this form of implementation for demonstration.
The flow chart of the operation when Fig. 5 gives hot water for the hot water supplying device that shows this form of implementation.
Fig. 6 fills the flow chart of operation for the hot water supplying device hot water when bathing pool turns round automatically that shows this form of implementation.
Fig. 7 appends the flow chart of burn operation for the hot water supplying device bathing pool when bathing pool turns round automatically that shows this form of implementation.
Symbol description
1 heat pump refrigerant loop
3 give hot-water return
5 running control loops
15 water-refrigerant heat exchanger
21 accumulation of heat water pots
23 jars of circulating pumps
41 admission ports
57 give the hot water mouth
75 bathing pool heat exchangers
The specific embodiment
Below based on accompanying drawing form of implementation of the present invention is described.Fig. 1 is the structure chart that is suitable for hot water supplying device for heat pump of the present invention.As shown in the figure, hot water supplying device for heat pump have heat pump refrigerant loop 1, give hot-water return 3, running Control Component 5.The two endless form that formed by two refrigerant loops are adopted in heat pump refrigerant loop 1, by compressor 7a, gas cooler 9a, decompressor 11a, evaporimeter 13a be in turn connected into one row first closed-loop path, compressor 7b, gas cooler 9b, decompressor 11b, evaporimeter 13b be in turn connected into one row second closed-loop path form, be packaged with cold-producing medium in each loop.
The switch valve that defrosting magnetic valve 17a, 17b have solenoid, only open when solenoid is switched on, set bypass at the outlet side of compressor 7a, 7b and the entrance side of evaporimeter 13a, 13b, when evaporimeter 13a, 13b frosting, open switch valve, the high-temperature high-pressure refrigerant gas that spues from compressor 7a, 7b imports to evaporimeter 13a, the 13b, defrosts thus.
Give hot-water return 3 by the storage hot-water return, directly give hot-water return, append burning loop, bathing pool hot water jar for hot-water return, jar to fill and append the loop of burning with loop, bathing pool and constitute.Storage hot-water return and jar append the burning loop by accumulation of heat water pot 21, pipe arrangement 25, jar circulating pump 23, pipe arrangement 27,29, the closed-loop path that feedwater side heat- transfer pipe 9c and 9d, pipe arrangement 31, heat exchanger side flow rate regulating valve 33, pipe arrangement 35, jar side flow rate regulating valve 37, pipe arrangement 39 are connected in sequence constitutes, and pipe arrangement 25,39 links to each other with the top with the bottom of accumulation of heat water pot 21 respectively.That is, force the water extracted out from accumulation of heat water pot 21 bottoms by jar circulating pump 23, be directed in water-refrigerant heat exchanger 15, after carrying out heat exchange and being heated, the top from accumulation of heat water pot 21 provides once more.
Be connected on the water proportioning valve 45 directly for the admission port 41 of hot-water return by pipe arrangement 47 with pressure-reducing valve 43, and then by pipe arrangement 49, feed water check valve 51, pipe arrangement 29, feedwater side heat- transfer pipe 9c and 9d, pipe arrangement 31, heat exchange flow rate regulating valve 33, pipe arrangement 35,53,55, being in turn connected into row for hot water mouth 57 constitutes.Thus, after the feedwater that flows into from the admission port is directed to and carries out heat exchange, heating water-refrigerant heat exchanger 15, from carry out operation to the hot water mouth to hot water.
Jar link to each other for the admission port 41 of hot-water return with water proportioning valve 45 by the pipe arrangement 47 that has pressure-reducing valve 43, and then by pipe arrangement 49, accumulation of heat water pot 21, pipe arrangement 39, jar side flow rate regulating valve 37, pipe arrangement 53,55, be in turn connected into a row formation for hot water mouth 57.That is, whole jar for hot water is full of in accumulation of heat water pot 21, when the bottom of accumulation of heat water pot 21 imported to accumulation of heat water pot 21 in, accumulation of heat water pot 21 interior pressure can not rise yet in the feedwater that will have predetermined hydraulic pressure.Discharge hot water from accumulation of heat water pot 21 tops, 57 carry out operating to hot water from the admission port.In this loop, used pipe arrangement 39 also can be shared to the accumulation of heat water pot 21 accumulation of heat water of storage hot-water return the time when accumulation of heat water pot 21 is given hot water, still, also can for example pipe arrangement 39 be separated into 2, and pipe arrangement is interconnected.
The admission port 41 that bathing pool hot water is filled with the loop links to each other with water proportioning valve 45 by the pipe arrangement 47 that has pressure-reducing valve 43, and then by pipe arrangement 49, feed water check valve 51, pipe arrangement 29, feedwater side heat- transfer pipe 9c and 9d, pipe arrangement 31, heat exchange flow rate regulating valve 33, pipe arrangement 35,53, inject hot water and be in turn connected into a row formation for hot water metal tool 63, bath 65 with magnetic valve 56, pipe arrangement 58, bathing pool water sensor 59, pipe arrangement 61, bathing pool.Thus, the feedwater that flows into from the admission port is carried out the operation to hot water after being directed to and carrying out heat exchange, heating water-refrigerant heat exchanger 15 in bath.In addition, when bathing pool is packed hot water into, fill with the loop by bathing pool hot water and directly to give hot water, when the accumulation of heat water yield of accumulation of heat water pot 21 is in the scope of the predefined minimum accumulation of heat water yield, undertaken operating simultaneously to hot water by accumulation of heat water pot 21.
Bathing pool appends the burning loop, the water connector of its bath 65 uses the pipe arrangement 69 of metal tool 67 to link to each other with bathing pool circulating pump 71 by having bathing pool output hot water, and then be in turn connected into a row formation for hot water metal tool 63, bath 65 by pipe arrangement 73, bathing pool heat transfer water pipe 77, pipe arrangement 81,61, bathing pool.That is, bathing pool appends the burning loop after by bathing pool circulating pump 71 hot water in the bath 65 being forced to extract out, turns back to once more in the bath 65 by bathing pool heat exchanger 75.In addition, bathing pool heat exchanger 75 imports to a part in the warm water heat-transfer pipe 79 by water-refrigerant heat exchanger 15 warmed-up hot water, carries out heat exchange between itself and bathing pool heat transfer water pipe 77.
The admission port of the warm water heat-transfer pipe 79 in the bathing pool heat exchanger 75 is connected by pipe arrangement 31,35,83 to the hot water mouth with water-refrigerant heat exchanger 15, and pipe arrangement 83 has taps valve 85.Taps valve 85 appends at bathing pool and cuts out beyond burning time, can prevent that thus heat from leaking to bathing pool heat exchanger 75 from water-refrigerant heat exchanger 15.In addition, on the pipe arrangement 87 that forms by pipe arrangement 81 and pipe arrangement 73, bathing pool check-valves 89 is set, when bathing pool is given hot water, to provide the startup water filling to bathing pool circulating pump 71.In addition,, can rise to the heat hydraulic pressure in the accumulation of heat water pot 21 under the situation more than the setting and make its operation, carry out pressure protect by on the pipe arrangement 91 that forms in feedwater side line 39 branches bleeder valve 93 being set with accumulation of heat water pot 21.
Accumulation of heat water pot 21 can form lengthwise low capacity jar cylindraceous shape structure, compares with the accumulation of heat water pot in the existing accumulation of heat water mode, is the low capacity of its 1/3-1/5.In this accumulation of heat water pot 21, by difference in specific gravity storage discretely on above-below direction of water and hot water.That is, in the lower floor of jar, store the water of feedwater, in the upper strata, store the hot water that forms by the water that heats lower floor.In accumulation of heat water pot 21, a plurality of temperature detection thermistors etc. are installed on its short transverse, by detecting the Temperature Distribution in the accumulation of heat water pot 21 directly or indirectly, can detect the accumulation of heat water yield more than design temperature.At this, the temperature detection thermistor configurable in accumulation of heat water pot 21 detected temperatures directly, but from installation property and maintenanceability viewpoint, also can be configured in the outside detected temperatures of sidepiece.
Running Control Component 5 is accepted from detecting temperature sensor that the each several part state of temperature uses, detect compressor 7a, the 7b detection signal that the pressure sensor that pressure uses, the level sensor that detects water levels in the bath 65 etc. send that spues, and based on each machine of these signal controlling.For example by operating and setting by kitchen remote controller 101 and bathing pool remote controller 103, the running halted state and the compressor 7a in control heat pump refrigerant loop 1, the rotating speed of 7b, simultaneously with known method to jar circulating pump 23, the running halted state of bathing pool circulating pump 71 grades, water proportioning valve 45, the flow rate regulating valve 33 of heat exchange, jar side flow rate regulating valve 37, inject the magnetic valve 56 that hot water is used, taps valve 85 grades are controlled, can be to the running of jar accumulation of heat water, directly turn round to hot water, jar turns round to hot water, jar appends the burning running, the running of packing into of bathing pool hot water, bathing pool appends the burning running and carries out switching controls respectively.In addition, be to accelerate the time of ebuillition of heated, running Control Component 5 can be after 1 running of heat pump refrigerant loop have just begun, with the rotating speed numerical control of compressor reducer 7a, 7b built in predetermined high speed rotation speed operation.
In addition, running Control Component 5 carries out jar accumulation of heat water transport and changes after jar is to the hot water running, after the accumulation of heat water yield in accumulation of heat water pot 21 is accumulated more than the set amount, shuts down, and has the function that each accumulation of heat water transport is changeed.Promptly, detect the accumulation of heat water yield more than the accumulation of heat water pot 21 inherent design temperatures by said method, when this accumulation of heat water shortage set amount, heat pump refrigerant loop 1 and jar circulating pump 23 are driven, the feasible water of extracting out from accumulation of heat water pot 21 bottoms carries out after the heat exchange, be back to the top, the accumulation of heat water yield is adjusted to more than the set amount.
In this case, the set amount of the accumulation of heat water yield can be set based on this detected temperatures changeably by detecting at least a temperature in outside atmosphere temperature and the feed temperature.For example, externally atmospheric temperature reduces the accumulation of heat water yield during higher summer, increases the accumulation of heat water yield during winter that externally atmospheric temperature is lower.That is, by the detected value of outside atmosphere temperature etc., carry out calculation process by the function of storage in advance etc., can set the optimal heat water yield, the result can store required minimal hot water amount in accumulation of heat water pot 21, and can be not too much or not enough with respect to service condition.In addition, as a kind of replacement of said method, also the set amount of hot water can be set at 50L, spring and autumn sky in summer and be set at 70L, winter and be set at 100L, according to controlling with several stages season.In addition, also can store the hot water amount of aequum, control by study.
Fig. 2 is the ideograph of an example of water-refrigerant heat exchanger 15 in this form of implementation.As shown in the figure, water-refrigerant heat exchanger 15 is a kind of heat exchanger of giving the hot water special use that forms that bathing pool heat exchanger 75 is separated, it is formed by 2 cold-producing medium heat- transfer pipe 9a, 9b, 2 feedwater heat-transfer pipe 2c, 2d, by cold-producing medium heat- transfer pipe 9a, 9b are contacted alternately with feedwater heat-transfer pipe 9e, 9f, form the cylindric structure that goes up volume.In addition, although not shown, the water-refrigerant heat exchanger 15 of reeling on the peripheral wall of cylindric accumulation of heat water pot 21 in this form of implementation perhaps also can be configured to concentric circles.Thus, by suppressing to reduce heat loss from 21 heat radiations of accumulation of heat water pot.In addition, for reducing the internal pressure loss, the feedwater heat-transfer pipe of this form of implementation is branched to 2, but also is not limited to this form.
Fig. 3 is the ideograph of an example of bathing pool heat exchanger 75 in this form of implementation.(a) sectional view for seeing from the side, (b) sectional view for seeing from the front.As shown in the figure, bathing pool heat exchanger 75 has double-sleeve structure, in the inside of the warm water heat-transfer pipe 79 that forms by copper pipe, insert the bathing pool heat transfer water pipe 77 that hollow section is an abnormity, the both end sides of warm water heat-transfer pipe 79 is shunk, two ends at bathing pool heat transfer water pipe 77 form less pipe 77a, the 77b of diameter, and form from the airtight respectively combination of peripheral side.Be directed in the inside by warm water pipe arrangement 79a by water-refrigerant heat exchanger 15 warmed-up hot water, wherein warm water pipe arrangement 79a passes the sidewall of warm water heat-transfer pipe 79 1 ends and formation is set, hot water is by the clearance space between warm water pipe arrangement 79a and the bathing pool heat transfer water pipe 77, flow out to the outside by the warm water pipe arrangement 79b that on other end sidewall, forms, on the other hand, bathing pool water is directed to bathing pool heat transfer water pipe 77 inside by the less pipe 77a of an end diameter, and the pipe 77b less by other end diameter flows out to the outside.In addition, increase, preferably cross-sectional periphery is formed convex-concave shape, star or form leafy pipe etc. for making the bathing pool heat transfer water pipe 77 and the contact area of hot water.By adopting double-sleeve structure, bathing pool heat transfer water pipe 77 can conduct heat in whole periphery, can obtain small-sized and bathing pool heat exchanger 75 that conductivity of heat is good thus.
Promptly, existing bathing pool appends burning and carries out heat exchange with heat exchanger by the refrigerant heat-transfer pipe and the bathing pool heat transfer water pipe of heat pump, therefore contingency inside tube breakage, high-pressure refrigerant is immersed in the water loop, may will pollute to hot water to hot water or kitchen washing one's face.Therefore do not adopt double-sleeve structure, and refrigerant pipe and water pipe arrangement need be made respectively independently matched tube structure.Relative therewith, according to this form of implementation, bathing pool heat exchanger 20 separates with water-refrigerant heat exchanger 15, constitutes heat cycles water and heat exchange structure, therefore can adopt double-sleeve structure.
By above structure, the hot water supplying device for heat pump of this form of implementation can be when beginning to hot water, at first being changeed by jar accumulation of heat water transport has the accumulation of heat water pot 21 of set amount hot water to carry out operating to hot water from storage, meanwhile, drive heat pump, when the heating efficiency in heat pump refrigerant loop 1 is stablized, switch to directly to the hot water running, from directly providing the hot water that has seethed with excitement by water-refrigerant heat exchanger 15 to the hot water mouth.In addition, if desired, can append the hot water in the burning bath 65 by the bathing pool heat exchanger 75 of double-sleeve structure.
Below the operation of the hot water supplying device for heat pump of this form of implementation is described.The running operation of the flow chart that at first adopts Fig. 4 when this device is installed describes.
At first, in step S101,, it is installed in the employed place, place that is provided with from manufacturing site location carrying hot water supplying device for heat pump.Then, in step S102, the feedwater metal tool of admission port 41 is linked to each other with the water-supply source of water supply pipe etc., after bleeder valve 93 openings, when total valve is open, begin from the water-supply source feedwater, water flow in accumulation of heat water pot 21 and water-refrigerant heat exchanger 15 and each pipe arrangement after being adjusted to certain pressure by pressure-reducing valve 43 decompressions together.In addition, meanwhile, the air in the circulation of hot water supplying device water is released into the atmosphere from bleeder valve.Each machine when in this case, hot water supplying device for heat pump being installed is set at following original state.That is, water proportioning valve 45 is opened in accumulation of heat water pot 21 sides, is giving hot water mouth's 57 side closures, and heat exchange flow rate regulating valve 33, jar side flow rate regulating valve 37, taps valve 85 are all opened, and inject hot water electromagnetic valve 56 and are closed condition.
All fill water in the circulation of the water of hot water supplying device, when bleeder valve 93 begins to flow out water, judge that at step S103 feedwater finishes, bleeder valve 93 is closed.Then, in step S104, the device power switch is opened, made heat pump refrigerant loop 1 and give hot-water return 3 entrys into service, carry out jar accumulation of heat water transport and change by the control of running Control Component 5.That is, in heat pump refrigerant loop 1, the running of compressor 7a, 7b is begun, and the gas shape cold-producing medium in compressor 7a, the 7b is compressed heating, formed high-temperature high-pressure refrigerant is sent in water-refrigerant heat exchanger 15.Thus, in water-refrigerant heat exchanger 15, be flowing in the high temperature refrigerant in refrigerant side heat-transfer pipe 9a, the 9b and heat exchange is carried out in the feedwater that is flowing in feedwater side heat-transfer pipe 9c, the 9d, the cold-producing medium heat release, water is heated.Heat release cold-producing medium by decompressor 11a, 11b decompression, then by evaporimeter 13a, the 13b evaporation of expanding, formation gas shape is back among compressor 7a, the 7b once more.
On the other hand, when 23 entrys into service of jar circulating pump, force the water extracted out from the bottom of accumulation of heat water pot 21, jar circulating pump 23 of flowing through successively, water-refrigerant heat exchanger 15, heat exchange flow rate regulating valve 33, jar side flow rate regulating valve 37 are back to the top of accumulation of heat water pot 21.Thus, stored hot water by water-refrigerant heat exchanger 15 warmed-up hot water successively from the top of accumulation of heat water pot 21, in a plurality of temperature detection thermistors 110 of on accumulation of heat water pot 21 short transverses, installing, begin to detect successively temperature more than the design temperature from being installed in accumulation of heat water pot 21 highest position, detect the accumulation of heat water yield.
In step S105, reach set amount if judge the accumulation of heat water yield, the operation of accumulation of heat water is finished, and enters step S106, and running stops.In addition, if judge the jar high position of the high-temperature water that detects with temperature detection thermistor 110, the accumulation of heat water yield can easily be judged by the inside diameter size of accumulation of heat water pot.In addition, the detection method of the accumulation of heat water yield is not limited to temperature detection thermistor 110, for example also can directly measure flow by being arranged on flow sensor in the accumulation of heat water loop etc.In addition, also can except that season, also comprise morning, time in evening band, the accumulation of heat water yield is set in detail by increasing the number that is provided with of temperature detection thermistor.
The operation of the flow chart that below adopts Fig. 5 when giving hot water describes.In step S111, open at the tap of giving hot water mouth 41, when carrying out, then enter step S112 and S113 to hot water, directly running begins simultaneously to hot water with jar to the hot water running.That is, in the hot water running, compressor 7a, 7b are started, and make the 1 running beginning of heat pump loop by running Control Component 5 directly, simultaneously water directly give in the hot-water return mobile, to carry out heat exchange.On the other hand, in jar turned round to hot water, water was given in the hot-water return at jar and is flowed, so that the hot water in the accumulation of heat water pot 21 to be provided.
At this, heat pump refrigerant loop 1 is sent to the high temperature refrigerant of compressor 7a, 7b compression in water-refrigerant heat exchanger 15, as time goes by, the heating efficiency of water of feedwater pipe arrangement 9c, 9d of flowing through increases, but when running is risen, be fed through cold-producing medium in water-refrigerant heat exchanger 15 high pressure conditions that can not fully reach a high temperature, and water-refrigerant heat exchanger 15 integral body turn cold, therefore, the heating efficiency deficiency that water is heated.
Therefore, in the scheduled time (about 1-2 minute) after running has just begun, not implementing provides the jar of hot water to turn round to hot water from accumulation of heat water pot 21, in step S114, whether the heating efficiency that running Control Component 5 detects heat pump refrigerant loop 1 is stable, judges that running continues or stops jar to hot water.At this, when judging that running stops, entering step S115, running stops to hot water to make jar, only switches to and directly turns round to hot water.Method as the heating efficiency of judging heat pump refrigerant loop 1, can be shown in step S116, for example can carry out such judgement, the temperature of the hot water that judgement is flowed out feedwater side heat- transfer pipe 9c, 9d in water-refrigerant heat exchanger 15 detects the temperature detection thermistor 112 of usefulness or the flow of the hot water that flows out from heat-transfer pipe is detected the detected detected values such as flow sensor 114 of usefulness whether more than predetermined value, if more than predetermined value, judge that then heating efficiency is stable.
Thus, give the hot water mode owing to adopt dual system, when the running beginning, give hot water from accumulation of heat water pot 21 transition type ground, after this directly provide by water-refrigerant heat exchanger 15 warmed-up hot water, therefore can eliminate when running is risen and heat slow problem, and can make the capacity of accumulation of heat water pot 21 especially little.In addition, running Control Component 5 becomes predetermined value when following in the delayed heat water yield of accumulation of heat water pot 21, makes that jar running stops to hot water, only turn round directly for the hot water drive manner.
If operation is finished to hot water, when closing to hot water mouth 57 tap, after giving hot water, implement jar under hot water running and the situation about directly turning round to hot water, by step S115 and step S117 jar is all stopped with directly turning round to hot water to the hot water running, if running stops to hot water to make jar, and only implement directly to turn round to hot water, then stop directly to turn round to hot water at step S117.
After this, running Control Component 5 makes jar to the hot water running with after directly running all stops to hot water, and beginning jar accumulation of heat water transport at step S118 changes.That is,, judge the accumulation of heat water yield at step S119 by the accumulation of heat water yield that a plurality of temperature detection thermistors 110 that are provided with in the accumulation of heat water pot 21 detect more than the design temperature.At this, when the accumulation of heat water yield when set amount is above, enter step S120, running is finished.On the other hand, under the situation of accumulation of heat water shortage set amount,, also drive a jar circulating pump 23 except driving heat pump refrigerant loop 1, adjust flow so that the accumulation of heat water yield more than set amount.Because after stopping to hot water, use the extremely short time, hot water temperature accumulation of heat water pot 21 in and hot water amount almost with situation that predefined value equates under, be judged to be the state that accumulation of heat water is finished, and do not implement a jar accumulation of heat water transport commentaries on classics.
As mentioned above, running Control Component 5 has the function of each hot water running, and it can reach the set amount of setting according to outside atmosphere temperature and feed temperature etc. until the accumulation of heat water yield after this running is finished in any running, implements a jar accumulation of heat water transport always and changes.Therefore, often store the hot water of design temperature and set amount in accumulation of heat water pot 21, the low problem of hot water temperature in the time of can removing the running rising can reduce simultaneously because the heat loss that superfluous storage hot water causes.In addition, owing to need not to store required above high-temperature-hot-water, therefore can improve the energy efficiency of heat pump.
In addition, the heating efficiency until heat pump running reach a high temperature stable state during, need about 5-6 minute time usually, during this period, needing all be provided by accumulation of heat water pot 21 interior hot water amounts.But, according to this form of implementation, owing to adopt the two endless form that have been set up in parallel two heat pump refrigerant loops 1, therefore heating efficiency multiplication, and by controlling the rotating speed of compressor, make its speed running higher, the scheduled time to the high-temperature stable state after the running beginning can be foreshortened to 1-2 minute than normal conditions.Thus, can realize directly operating, can further make 21 miniaturizations of accumulation of heat water pot by the heat pump mode to hot water.
Hot water was filled to operate and is described during below the flow chart of employing Fig. 6 turned round automatically to bathing pool.Wherein, simply the operation the same with Fig. 5 described.At first in step S121, when pushing the bathing pool automatic button, 121 time starteds of timer are measured.After this in step S123, when judgement reaches Preset Time, enter into step S124 and S125, implement bathing pool simultaneously and turn round to hot water to hot water running and jar.Bathing pool is directly given hot water to the hot water running to the hot water running by above-mentioned in the bathing pool bath.That is, in the 1-2 branch clock time after the heat pump running has just begun, bathing pool turns round to hot water with jar to the hot water running and carries out simultaneously, and during this period, temperature detection thermistor 112 and flow sensor 114 detect bathing pool to the hot water amount with to the hot water temperature.Then, judge that in step S127 jar running stops to hot water, in step S129, make when jar running stops to hot water, only turn round in the mode of bathing pool to the hot water running.Give in the hot water operation process at bathing pool, detect for the hot water amount in hot water temperature and the bath continuous or periodicly, carry out following control by running Control Component 5 to bathing pool.
At first, compressor 7a is controlled in heat pump refrigerant loop 1 in step S131, and the rotating speed of 7b and feedwater flow then, in step S133, judge that bathing pool gives the hot water temperature whether in the scope of design temperature.When in the scope at design temperature, enter into step S135, when beyond this scope, be in this scope the control of repeating step S131 for making it.Then, the hot water temperature and the hot water amount that detect in the bath 65 with temperature detection thermistor 126 and level sensor 127 respectively in step S135 judge based on this detected value.Reach under the situation of set amount hot water temperature and hot water amount, enter step S137, stop bathing pool and turn round, under the situation of not enough set amount, proceed to operate to hot water to hot water.
The flow chart that below adopts Fig. 7 to bathing pool automatically in the running bathing pool append burn operation and describe.At first in step S141, when pushing the bathing pool automatic button, by hot water temperature and the hot water amount in temperature detection thermistor 126 and the level sensor 127 detection baths 65, judge in step S143 that then detected hot water temperature and hot water amount are whether respectively in the scope of setting value, when these detected values are in the scope of setting value, enter step S153, omit bathing pool and append the burning running, enter step S145 in the time of beyond this scope, the beginning bathing pool appends the burning running.
Append in the burning running at bathing pool, bathing pool is carried out continuous or periodic detection to hot water amount in hot water temperature and the bath, based on these detected values, rotating speed and the feedwater flow of control compressor 7a, 7b in step S147.Then, the same with Fig. 6, in step S149, S150, judge bathing pool to hot water temperature and hot water amount in hot water temperature, the bath 65, if in the scope of setting value, then enter into step S153, stop bathing pool and append the burning running.
As mentioned above,, reduce the accumulation of heat water yield, and reduce the heat accumulating water temperature degree by the accumulation of heat water yield of accumulation of heat water pot 21 being carried out variable aptly setting according to the external condition of outside atmosphere temperature or feed temperature etc.As a result, can reduce the heat release loss of sending, reach the effect of saving energy from the accumulation of heat water pot.
In addition,, have the hot-water return of giving of 3 paths turning round simultaneously in independent loop and 2 loops altogether, thus, can utilize to hot water machine diversifiedly by the dual system that will be arranged to jar to give hot water and directly give hot water to hot-water return.That is, only implement the direct saving energy operation mode that turns round to hot water usually, give under the bigger situation of hot water use amount, can correspondingly use simultaneously and give hot-water return directly for hot-water return and jar in winter or shower use etc.Therefore, accumulation of heat water pot that can low capacity is realized big function.
In addition, for implementing directly to give hot water, must make heat pump circulation whole volume become big, there is more problem, but in this form of implementation, because the refrigerant loop is set up in parallel, therefore can directly utilize existing parts, in addition, just in case there is 1 to break down, can replenish operation by other loop to hot water.
In this form of implementation, use the hot water mode of directly giving of accumulation of heat water pot to have very large effect in heat pump running just beginning back, even but in the existing jar of accumulation of heat water mode of whole hot water of the hot water of in the accumulation of heat water pot is provided, storing, much less also can obtain same effect.
Claims (6)
1. hot water supplying device for heat pump, it has the heat pump that feedwater is heated usefulness, storage is by the accumulation of heat tank of the warmed-up hot water of heat pump, be communicated with first of heat pump hot water outlet and accumulation of heat sink top and give hot-water line, be communicated with the accumulation of heat sink top and give hot-water line for hot water mouth's second, the feed pipe that is communicated with water-supply source and accumulation of heat bottom of gullet, from the feed pump of accumulation of heat bottom of gullet to the heat pump feedwater, and the hot water amount adjusts assembly, this hot water amount adjusts the hot water amount more than design temperature in the component detection accumulation of heat tank, when the not enough setting value of this detected value, heat pump and feed pump are driven, the hot water amount is adjusted to more than the set amount.
2. hot water supplying device for heat pump as claimed in claim 1 is characterized by described first and second and is communicated with to hot-water line.
3. hot water supplying device for heat pump, it has the heat pump of heated feed water, storage is by the accumulation of heat tank of the warmed-up hot water of heat pump, be communicated with first of heat pump hot water outlet and accumulation of heat sink top and give hot-water line, being communicated with first gives hot-water line and gives hot-water line for hot water mouth's second, the feed pipe that is communicated with water-supply source and accumulation of heat bottom of gullet, from the feed pump of accumulation of heat bottom of gullet to the heat pump feedwater, and the hot water amount adjusts assembly and Control Component, this hot water amount adjusts the hot water amount more than design temperature in the component detection accumulation of heat tank, when the not enough setting value of this detected value, heat pump and feed pump are driven, the hot water amount is adjusted to more than the set amount, this Control Component is by detecting the opening of giving the hot water mouth, start heat pump, after the heating efficiency of heat pump was stablized, beginning was fed water to heat pump.
4. as each described hot water supplying device for heat pump of claim 1 to 3, it is characterized by described hot water amount and adjust at least a temperature in component detection outside atmosphere temperature and the feed temperature, and changeably set amount is set based on this detected temperatures.
5. as each described hot water supplying device for heat pump of claim 1 to 4, it is characterized by a plurality of temperature sensors are installed on the short transverse of accumulation of heat tank, based on the detected directly or indirectly detected temperatures of temperature sensor, detect the above hot water amount of described design temperature.
6. as each described hot water supplying device for heat pump of claim 1 to 5, it is characterized by described heat pump and be set side by side with a plurality of.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003306875A JP2005076964A (en) | 2003-08-29 | 2003-08-29 | Heat pump hot water supplier |
| JP2003306875 | 2003-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1590912A true CN1590912A (en) | 2005-03-09 |
| CN100587355C CN100587355C (en) | 2010-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200410070838A Expired - Fee Related CN100587355C (en) | 2003-08-29 | 2004-07-20 | Hot water supplying device for heat pump |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005076964A (en) |
| KR (1) | KR100563179B1 (en) |
| CN (1) | CN100587355C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101952666A (en) * | 2008-02-22 | 2011-01-19 | 三电有限公司 | Hot-water storage type hot-water supply device |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007139368A (en) * | 2005-11-22 | 2007-06-07 | Sanden Corp | Hot water supply system |
| JP4749228B2 (en) * | 2006-05-12 | 2011-08-17 | シャープ株式会社 | Heat pump water heater |
| JP4839141B2 (en) * | 2006-06-26 | 2011-12-21 | 日立アプライアンス株式会社 | Heat pump water heater |
| JP5415092B2 (en) * | 2009-01-29 | 2014-02-12 | 株式会社長府製作所 | How to operate the water heater |
| JP4779052B1 (en) * | 2010-09-16 | 2011-09-21 | 三上 征宏 | Air-conditioning water heater |
| JP6070151B2 (en) * | 2012-12-17 | 2017-02-01 | 三菱電機株式会社 | Hot water storage water heater and solar system |
| KR101636130B1 (en) * | 2014-07-10 | 2016-07-04 | 린나이코리아 주식회사 | Device for supplying hot water |
| CN105202756B (en) * | 2015-09-22 | 2018-07-20 | 合肥美的暖通设备有限公司 | A kind of integrated heat pump water heater and leaving water temperature control method |
| CN105352195B (en) * | 2015-11-24 | 2018-04-13 | 珠海格力电器股份有限公司 | Method and device for controlling electric heating of water heater, water heater and heat pump water heater |
| CN112629022B (en) * | 2020-12-21 | 2022-03-01 | 珠海格力电器股份有限公司 | Multi-split water heater control method and device and multi-split water heater |
-
2003
- 2003-08-29 JP JP2003306875A patent/JP2005076964A/en active Pending
-
2004
- 2004-07-20 CN CN200410070838A patent/CN100587355C/en not_active Expired - Fee Related
- 2004-07-29 KR KR1020040059466A patent/KR100563179B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101952666A (en) * | 2008-02-22 | 2011-01-19 | 三电有限公司 | Hot-water storage type hot-water supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100587355C (en) | 2010-02-03 |
| JP2005076964A (en) | 2005-03-24 |
| KR100563179B1 (en) | 2006-03-27 |
| KR20050022288A (en) | 2005-03-07 |
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