CN203413823U - Heat exchanger for hot water supply - Google Patents
Heat exchanger for hot water supply Download PDFInfo
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- CN203413823U CN203413823U CN201320544554.9U CN201320544554U CN203413823U CN 203413823 U CN203413823 U CN 203413823U CN 201320544554 U CN201320544554 U CN 201320544554U CN 203413823 U CN203413823 U CN 203413823U
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- heating
- pipe
- heating region
- hot water
- water supply
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Abstract
The utility model discloses a heat exchanger for hot water supply. The heat exchanger (30) for hot water supply comprises a water tank (31) and a heating heat transfer pipe (40) wound on the water tank (31), wherein the heating heat transfer pipe (40) is divided into multiple heating zones (51, 52 and 53) in the vertical direction, the multiple heating zones (51, 52 and 53) are respectively provided with multiple refrigerating fluid flow paths (46) in which refrigerating fluid flows in parallel, and the number of the refrigerating fluid flow paths (46) decreases from the upper heating zone (51) to the lower heating zone (53). Therefore, the heating capacity of the heating heat transfer pipe wound on the water tank can be improved.
Description
Technical field
The utility model relates to a kind of heating and is wound on the heat exchanger for hot water supply on water tank with heat-transfer pipe, particularly a kind of technical measures that improve heating efficiency.
Background technology
At present heating has been known to everybody with heat-transfer pipe around the hot water supply apparatus on water tank.For example in patent documentation 1, disclosed hot water supply apparatus comprises refrigerant loop, water tank and is contacting with the outer peripheral face of this water tank around thereon and be connected to the heating heat-transfer pipe in refrigerant loop.This hot water supply apparatus is like this work, when carrying out kind of refrigeration cycle in refrigerant loop, flow into heating with the gaseous refrigerant of heat-transfer pipe will with water tank in water carry out heat exchange, this gaseous refrigerant condensation, the water in water tank is heated.
Patent documentation 1: Japanese Laid-Open Patent Publication JP 2011-94932 communique
In existing hot water supply apparatus, normal conditions are that one or more pipe helicallies are on water tank and form heating heat-transfer pipe, therefore this total cross-sectional area that heats the refrigerant flow path in use heat-transfer pipe all equates on whole length direction.Therefore, if mobile gaseous refrigerant condensation gradually in refrigerant flow path, the ratio of the gaseous refrigerant in cold-producing medium declines, the specific volume of cold-producing medium reduces, just there will be the flow velocity of cold-producing medium to decline, the thermal discharge of cold-producing medium (heat exchange amount of the water in cold-producing medium and water tank) such problem that declines.
Utility model content
The utility model has been put just in view of the above problems.Its object is: comprise water tank and around the heating on this water tank with in the heat exchanger for hot water supply of heat-transfer pipe, be suppressed at heating and reduce with the thermal discharge of cold-producing medium mobile in the refrigerant flow path in heat-transfer pipe, obtain higher heating efficiency.
The utility model of first aspect be take a kind of heat exchanger for hot water supply as object.It comprises water tank and the heating heat-transfer pipe that stores water.This heating with heat-transfer pipe around make on described water tank cold-producing medium from upper towards current downflow and be connected in refrigerant loop, condensation of refrigerant is by the water heating in described water tank.Described heating is marked off a plurality of heating regions with heat-transfer pipe along above-below direction, a plurality of described heating regions have respectively cold-producing medium arranged side by side many mobile refrigerant flow paths, described heating is configured to heat-transfer pipe: total cross-sectional area of many described refrigerant flow paths described in each in heating region reduces towards heating region described in downside from heating region described in upside.
In the utility model of above-mentioned first aspect, flowed into heating with the gaseous refrigerant of heat-transfer pipe in a plurality of heating regions that mark off along the vertical direction by sequential flowing from top to bottom, during this period little by little towards the water heat release in water tank and condensation, liquefy cold-producing medium, then from heating with flowing out heat-transfer pipe.
In the utility model of above-mentioned first aspect, in each heating region, be formed with cold-producing medium arranged side by side many mobile refrigerant flow paths, total cross-sectional area of these many refrigerant flow paths reduces towards downside heating region from upside heating region.Therefore, even gaseous refrigerant little by little condensation in refrigerant flow path, the gaseous state ratio of cold-producing medium declines, and the specific volume of cold-producing medium diminishes, and also can suppress the decline of cold-producing medium flow velocity, thereby can suppress the thermal discharge decline of cold-producing medium.
The utility model of second aspect is such, in the utility model of above-mentioned first aspect, described heating is configured to heat-transfer pipe: the number of the described refrigerant flow path described in each in heating region reduces towards heating region described in downside from heating region described in upside.
In the utility model of above-mentioned second aspect, after the number of the refrigerant flow path in each heating region reduces from upside heating region towards downside heating region, total cross-sectional area of many refrigerant flow paths in each heating region will reduce towards downside heating region from upside heating region.
The utility model of the third aspect is such, in the utility model of above-mentioned second aspect, described heating comprises that with heat-transfer pipe many lists are around pipe, two collectors and dividing plate, these many lists are arranged along the vertical direction around pipe, on described water tank around nearly one week, at many lists every list in pipe, around the inside of pipe, be at least formed with a described refrigerant flow path, two collectors extend along the vertical direction and these two collectors in a collector be connected around one end of pipe with described many lists, another collector in these two collectors is connected around the other end of pipe with described many lists, by the inside of at least one collector in these two collectors being separated up and down and is formed a plurality of described heating regions with dividing plate.
In the utility model of the above-mentioned third aspect, by with dividing plate, the inner space of collector being divided up and down, and at the heating region of formation up and down of this dividing plate.
The utility model of fourth aspect is such, in the utility model of above-mentioned second aspect, described heating comprises that with heat-transfer pipe many lists are around pipe and two collectors, these many lists are arranged along the vertical direction around pipe, on described water tank around nearly one week, at many lists every list in pipe, around the inside of pipe, be at least formed with respectively a described refrigerant flow path, two collectors extend along the vertical direction and are connected around the two ends of pipe with described many lists respectively.At least one collector in described two collectors is disconnected by the above-below direction along this collector, to form a plurality of described heating regions.
In the utility model of above-mentioned fourth aspect, by collector is disconnected along its above-below direction, and at the heating region of formation up and down of this disconnecting unit.
The utility model of the 5th aspect is such, the above-mentioned the 3rd or the utility model of fourth aspect in, described heating is configured to heat-transfer pipe: the described list described in each in heating region reduces towards heating region described in downside from heating region described in upside around the radical of pipe.
In utility model aspect the above-mentioned the 5th, list in each heating region is after the number of pipe reduces from upside heating region towards downside heating region, and total cross-sectional area of many refrigerant flow paths in each heating region is just from reducing towards downside heating region from upside heating region.
The utility model of the 6th aspect is such, and in the utility model aspect the above-mentioned the 5th, described in each, list is formed with many described refrigerant flow paths in pipe.
In utility model aspect the above-mentioned the 6th, only by list is arranged on each heating region around pipe, just each heating region arranged cold-producing medium arranged side by side many mobile refrigerant flow paths.
The utility model of the 7th aspect is such, and in the utility model aspect the above-mentioned the 6th, described in each, list consists of the flat tube with plane around pipe, and described in each, single state contacting with the outer peripheral face of described water tank with this plane around pipe is on this water tank.
In utility model aspect the above-mentioned the 7th, each the single state contacting with the outer peripheral face of water tank with this plane around pipe consisting of the flat tube with plane is on water tank.Therefore, compare contact area increase with each single situation about consisting of pipe around pipe, the thermal discharge of cold-producing medium increases.
The utility model of eight aspect is such, and in the utility model aspect the above-mentioned the 7th, described in each, single many described refrigerant flow paths in pipe become row along described planar alignment.
In above-mentioned eight aspect utility model, by making many refrigerant flow paths become row along planar alignment at each list in pipe, distance between the outer peripheral face of each refrigerant flow path and water tank just equates, so the difference of the thermal discharge of the cold-producing medium of each refrigerant flow path reduces.
The utility model of the 9th aspect is such, and in the utility model aspect the above-mentioned the 5th, described in each, single pipe that is only formed with a described refrigerant flow path by inside around pipe forms.
In utility model aspect the above-mentioned the 9th, by using many pipes, be just easy to form the heating heat-transfer pipe that total cross-sectional area of many refrigerant flow paths of each heating region reduces towards downside heating region from upside heating region.
The utility model of the tenth aspect is such, and in the utility model of above-mentioned first aspect, described heating is configured to heat-transfer pipe: described in each, the cross-sectional area of refrigerant flow path reduces towards heating region described in downside from heating region described in upside.
In utility model aspect the above-mentioned the tenth, by guaranteeing that from structure the cross-sectional area of each refrigerant flow path reduces towards downside heating region from upside heating region, and make total cross-sectional area of many refrigerant flow paths of each heating region from reducing towards downside heating region from upside heating region.
-effect of utility model-
According to the utility model, heating with each heating region marking off along the vertical direction of heat-transfer pipe be formed with many cold-producing mediums arranged side by side mobile refrigerant flow path, total cross-sectional area of many refrigerant flow paths of this each heating region reduces towards downside heating region from upside heating region.So, even gaseous refrigerant gradually condensation in refrigerant flow path, the gaseous state ratio of cold-producing medium declines, and the specific volume of cold-producing medium diminishes, and the flow velocity that also can suppress cold-producing medium declines.Result is that the thermal discharge that can suppress cold-producing medium declines, and obtains higher heating efficiency.
According to the utility model of second aspect, the number of the refrigerant flow path of each heating region reduces from upside heating region towards downside heating region.Can make at an easy rate so total cross-sectional area of the refrigerant flow path of each heating region become the state reducing towards downside heating region from upside heating region, thereby heating can be more prone to by the flow path designs of heat-transfer pipe.
According to the utility model of the third aspect, collector is connected to around many lists on water tank around the two ends of pipe, with dividing plate, the inner space of this collector is divided up and down, at this dividing plate, formed up and down heating region.So, just can become at an easy rate the state that the number of the refrigerant flow path of each heating region reduces from upside heating region towards downside heating region, thereby heat more easily the flow path designs with heat-transfer pipe.
According to the utility model of fourth aspect, collector is connected to around many lists on water tank around the two ends of pipe, this collector is separated up and down, in this disconnecting unit, formed up and down heating region.Can make at an easy rate like this number of the refrigerant flow path of each heating region become the state reducing from upside heating region towards downside heating region, thereby can make heating be more prone to by the flow path designs of heat transfer part.
According to the utility model of the 5th aspect, allow the list of each heating region reduce from upside heating region towards downside heating region around the number of pipe.Total cross-sectional area that so just can become at an easy rate a kind of refrigerant flow path of each heating region becomes the state reducing towards downside heating region from upside heating region.
According to the 7th and the utility model of eight aspect, each single state contacting with the outer peripheral face of water tank around Guan Yiqi plane that the flat tube with plane is formed is on water tank.So, comparing contact area with each single situation about consisting of pipe around pipe will increase, and therefore can increase the thermal discharge of cold-producing medium.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the related hot water supply apparatus of the first embodiment.
Fig. 2 is the piping diagram of the related hot water supply apparatus of the first embodiment.
Fig. 3 (A) is the top view that the general arrangement of the related heat exchanger for hot water supply of the first enforcement is shown, and Fig. 3 (B) is the side view that the general arrangement of the related heat exchanger for hot water supply of the first enforcement is shown.
Fig. 4 is the amplification stereogram of the related flat tube of the first enforcement.
Fig. 5 is the side view of the general arrangement of the related heat exchanger for hot water supply of the first enforcement, the mobility status of cold-producing medium when running is shown.
Fig. 6 is the side view of the general arrangement of the related heat exchanger for hot water supply of the variation of the first embodiment, the mobility status of cold-producing medium when running is shown.
Fig. 7 is the side view of the general arrangement of the related heat exchanger for hot water supply of the variation of the first embodiment, the mobility status of cold-producing medium when running is shown.
-symbol description-
20-refrigerant loop; 30-heat exchanger for hot water supply; 31-water tank; 40-heating heat-transfer pipe; 41-the first collector (collector); 42-the second collector (collector); 43-flat tube (single around pipe); 46-refrigerant flow path; 47-the first dividing plate (dividing plate); 48-second partition (dividing plate); 51-the first heating region (heating region); 52-the second heating region (heating region); 53-the 3rd heating region (heating region).
The specific embodiment
With reference to the accompanying drawings embodiment of the present utility model is described in detail.In addition, above-mentioned embodiment is only preferred in essence example, has no intent to limit the present invention, its applicable object or its purposes scope.
(the first embodiment of utility model)
Heat exchanger for hot water supply 30 in present embodiment forms a part for hot water supply apparatus 1.Below, first the unitary construction of hot water supply apparatus 1 is described, and then the structure of heat exchanger for hot water supply 30 is described.
The unitary construction > of < hot water supply apparatus
Hot water supply apparatus 1 is so-called heat pump-type hot-water supply device.Hot water supply apparatus 1 comprises housing 10, compressor 21, expansion valve 22 (omitting diagram in Fig. 1, with reference to Fig. 2), air heat exchanger 23, gas-liquid separator 24 and heat exchanger for hot water supply 30.
Front and back two parts 13a, 13b (below front side is called to front panel 13a, rear side is called to rear board 13b) that top cylinder portion 13 is semicircle shape when analysing and observe form.Right-hand member and left end position at front panel 13a have an attraction mouthful 15a; The central part of plate 13b has blow-off outlet 15b in the back.Central part at front panel 13a is formed with remote controller setting unit 16, user can be arranged on to this remote controller setting unit 16 for operating the remote controller 16a of hot water supply apparatus 1.
Between housing 10 inside and top cylinder portion 13 and doffing portion 11, be provided with dividing plate 17.The inner space of housing 10 is divided into two spaces 18,19 (being called below upside space 18 and lower side space 19) up and down by this dividing plate 17.And compressor 21, expansion valve 22, air heat exchanger 23 and gas-liquid separator 24 are arranged in upside space 18; Heat exchanger for hot water supply 30 is arranged in lower side space 19.
As shown in Figure 2, according to compressor 21, heat exchanger for hot water supply 30, expansion valve 22, air heat exchanger 23, the such order of gas-liquid separator 24, with pipeline, they are coupled together, form refrigerant circulation and carry out the refrigerant loop 20 of kind of refrigeration cycle.
Cold-producing medium in 21 pairs of refrigerant loops 20 of compressor compresses, and ejection side is connected with heat exchanger for hot water supply 30, and suction side is connected with gas-liquid separator 24.
Gas-liquid separator 24 is configured to: the cold-producing medium flowing into from air heat exchanger 23 is carried out to gas-liquid separation, only gaseous refrigerant is given to compressor 21.
The structure > of < heat exchanger for hot water supply
As shown in Figure 1, heat exchanger for hot water supply 30 is arranged in the lower side space 19 of housing 10 with the state being covered by heat insulating material 39.Heat exchanger for hot water supply 30 comprises water tank 31 and heat-transfer pipe 40 for heating.
As shown in Figure 2, water tank 31 is to form larger cylindric of axial dimension and for storing the closed container of water.In the bottom of water tank 31, be formed with feed water inlet 32, on the top of water tank 31, be formed with hot water supply mouth 33, in the bottom of water tank 31, be formed with discharge outlet 34.
For supplying with the feed pipe 32a of running water, from water tank 31 outsides, be connected on feed water inlet 32, inlet tube 32b is connected on feed water inlet 32 from the inside of water tank 31.This inlet tube 32 makes the downward bending halfway of its outflow end, and this inlet tube 32 is configured to the bottom-boot running water towards water tank 31.For obtaining the hot water supply pipe 33a of the hot water in water tank 31, from water tank 31 outsides, be connected on hot water supply mouth 33, fairlead 33b is connected on hot water supply mouth 33 from water tank 31 inside.This fairlead 33b makes it flow into end towards top ground bending halfway, and this fairlead 33b is configured to: the high-temperature-hot-water that is stored in water tank 31 tops is extracted reliably.Drainpipe 34a is connected on discharge outlet 34 from water tank 31 outsides.
Heating on water tank 31, allows cold-producing medium the water in water tank 31 be heated towards current downflow from upper with heat-transfer pipe 40.As shown in Figure 3, heating comprises the first collector 41, the second collector 42 and many (being now 20) flat tubes 43 with heat-transfer pipe 40.The first collector 41, the second collector 42 and flat tube 43 are all aluminium parts, are combined each other by hard solder.
The first collector 41 and the second collector 42 form elongated cylindric, with the state extending along the vertical direction, are arranged on stem for stem near on the position of water tank 31 outer peripheral faces and leave to each other in a circumferential direction interval.The first collector 41 is formed with inflow entrance 44 in the top, its lower end closed.On the other hand, the upper end closed of the second collector 42, forms flow export 45 in its lower end.Inflow entrance 44 is connected with the ejection side of compressor 21 through pipeline, and flow export 45 is connected with expansion valve 22 through pipeline.
As shown in Figure 4, flat tube 43 is oblate shape heat-transfer pipes that section is flat, and side forms plane.In the inside of flat tube 43, be formed with many (being now 24) refrigerant flow paths 46 that form a line along plane.
As shown in Figure 3, the state that flat tube 43 becomes above-below direction with the orientation of refrigerant flow path 46 is equally spaced arranged above and below each other, and essence is parallel.Each flat tube 43 from the first collector 41 to second collectors 42 around nearly one week, so that the side of each flat tube 43 contacts with the outer peripheral face of water tank 31.Insert in the first collector 41 end of the first collector 41 1 sides of each flat tube 43, inner refrigerant flow path 46 is communicated with the inner space of the first collector 41, insert in the second collector 42 end of the second collector 42 1 sides of each flat tube 43, and inner refrigerant flow path 46 is communicated with the inner space of the second collector 42.In addition, this flat tube 43 forms list of the present utility model around pipe.
The first collector 41 and the second collector 42 have been undertaken its inner space to divide up and down by dividing plate 47,48 respectively.The dividing plate of the first collector 41 1 sides (hereinafter referred to as the first dividing plate 47) is positioned at the top of the dividing plate (hereinafter referred to as second partition 48) of the second collector 42 1 sides.
Heating marks off three heating regions 51,52,53 with heat-transfer pipe 40 by these two dividing plates 47,48 on above-below direction.Particularly, above the first dividing plate 47, be formed with the first heating region 51, between the first dividing plate 47 and second partition 48, be formed with the second heating region 52, below second partition 48, be formed with the 3rd heating region 53.
The first heating region 51 is arranged in the first 51a of collector portion of the first dividing plate 47 tops, ten flat tube 51b that are communicated with this first collector 51a of portion in the first collector 41 and the second corresponding 51c of collector portion of ten flat tube 51b of the second collector 42 and this forms.The second heating region 52 forms with corresponding the first 52a of collector portion of these nine flat tube 52b in the second 52c of collector portion below the second 51c of collector portion of the first heating region 51 and above second partition 48, nine flat tube 52b that are communicated with this second collector 52c of portion and the first collector 41 in the second collector 42.The 3rd heating region 53 in the first collector 41, be positioned at the first 52a of collector portion below of the second heating region 52 the first 53a of collector portion, with flat tube 53b of this first collector 53a of portion connection and with corresponding the second 53c of collector portion of this flat tube 53b, form.
In heating, with in heat-transfer pipe 40, total cross-sectional area of many refrigerant flow paths 46 in each heating region 51,52,53 reduces towards downside heating region 53 gradually from upside heating region 51.Particularly, the number of the refrigerant flow path 46 in each heating region 51,52,53 reduces towards downside heating region 53 gradually from upside heating region 51, at the first heating region 51, is formed with 240 refrigerant flow paths 46; At the second heating region 52, be formed with 216 refrigerant flow paths 46; At the 3rd heating region 53, be formed with 24 refrigerant flow paths 46.
-working condition-
Next, the working condition of this hot water supply apparatus 1 is explained.
As shown in Figure 2, compressor 21 1 starts, and the high-pressure gaseous refrigerant being compressed by compressor 21 will spray, and is sent to the heat-transfer pipe 40 for heating of heat exchanger for hot water supply 30.
As shown in Figure 5, in the heating of heat exchanger for hot water supply 30, use in heat-transfer pipe 40, cold-producing medium flows into the first heating regions 51 from inflow entrance 44 at first.At the first heating region 51, cold-producing medium is distributed to each refrigerant flow path 46 ten flat tube 51b and arranged side by side mobile from the first 52a of collector portion, afterwards, cold-producing medium collaborates at the second 51c of collector portion, in the second collector 42 towards below flow, flow into the second 52c of collector portion of the second heating region 52.
At the second heating region 52, cold-producing medium is distributed to each refrigerant flow path 46 nine flat tube 52b and arranged side by side mobile from the second 52c of collector portion, afterwards, cold-producing medium collaborates at the first 52a of collector portion, in the first collector 41 towards below flow, flow into the first 53a of collector portion of the 3rd heating region 53.
At the 3rd heating region 53, cold-producing medium is distributed to each refrigerant flow path 46 a flat tube 53b and arranged side by side mobile from the first 53a of collector portion.Afterwards, cold-producing medium collaborates at the second 53c of collector portion.
Like this, in heat exchanger for hot water supply 30, be sent to heating and use the cold-producing medium of heat-transfer pipe 40 according to the first heating region 51, the second heating region 52, the such sequential flowing of the 3rd heating region 53.Within this period of time, in many refrigerant flow paths 46 of each heating region 51,52,53, mobile cold-producing medium arranged side by side and the water in water tank 31 carry out heat exchange, and cold-producing medium is towards the water heat release in water tank 31 and condensation, and the water in water tank 31 is heated therefrom.Afterwards, cold-producing medium liquefy cold-producing medium, flows out from the flow export 45 of the second collector 42.
The cold-producing medium flowing out from flow export 45 is sent to air heat exchanger 23 being reduced pressure by expansion valve 22.In air heat exchanger 23, by fan 23a, for the air and the cold-producing medium that come, carry out heat exchange, cold-producing medium absorbs heat and evaporates from air.The cold-producing medium having evaporated in air heat exchanger 23 in gas-liquid separator 24 by gas-liquid separation after, be inhaled in compressor 21.In compressor 21 cold-producing medium again compressed after, ejection high-pressure gaseous refrigerant.
-effect of the first embodiment-
In the present embodiment, heating with each heating region 51,52,53 marking off along the vertical direction of heat-transfer pipe 40 be formed with many cold-producing mediums arranged side by side mobile refrigerant flow path 46, total cross-sectional area of many refrigerant flow paths 46 in this each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51.So, though cold-producing medium it heating with in heat-transfer pipe 40 from towards condensation gradually in refrigerant flow path 46 in that time of current downflow, the ratio of gaseous refrigerant declines, the specific volume of cold-producing medium diminishes, and also can suppress the flow velocity decline of cold-producing medium.Result is that the thermal discharge (heat exchange amount of the water in cold-producing medium and water tank 31) that can suppress cold-producing medium declines, and obtains higher heating efficiency.
In the present embodiment, the number of the refrigerant flow path 46 in each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51.So just can form at an easy rate the state that total cross-sectional area of the refrigerant flow path 46 in a kind of each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51.
In the present embodiment, with the inner space of 47 pairs of the first collectors 41 of the first dividing plate, separate, with the inner space of 48 pairs of the second collectors 41 of second partition, separate, and on above-below direction, formed three heating regions 51,52,53.The state that the number that so, just can form at an easy rate the refrigerant flow path 46 in a kind of each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51.
In the present embodiment, the radical of having accomplished the flat tube 43 in each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51.So just can form at an easy rate the state that total cross-sectional area of the refrigerant flow path 46 in a kind of each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51.
In the present embodiment, accomplished under state that the plane of each flat tube 43 that forms at the flat tube by having plane and the outer peripheral face of water tank 31 contact each flat tube 43 on water tank 31.So, situation about consisting of pipe with each flat tube 43 is compared contact area and will be increased, and therefore can increase the thermal discharge of cold-producing medium.
-variation of the first embodiment-
In the above-described first embodiment, the flat tube 43 that has many (being now 24) refrigerant flow paths 46 is on water tank 31.But, around the form of the pipe on water tank 31, be not limited to this, for example, refrigerant flow path 46 forms also harmless by a pipe.
In the above-described first embodiment, with the inner space of 47 pairs of the first collectors 41 of the first dividing plate, carried out dividing up and down, and carried out dividing up and down with the inner space of 48 pairs of the second collectors 42 of second partition, and on above-below direction, formed three heating regions 51,52,53.But the form of heating region 51,52,53 is not limited to this.For example, as shown in Figure 6, can also allow the first collector 41 and the second collector 42 along above-below direction, disconnect respectively, and on above-below direction, form three heating regions 51,52,53.The state that the number that also can form at an easy rate under these circumstances the refrigerant flow path 46 in a kind of each heating region 51,52,53 reduces towards downside heating region 53 from upside heating region 51, thus heating can be more prone to by the flow path designs of heat transfer part 40.
In the above-described first embodiment, the first heating region 51 and the second heating region 52 are in the interior connection of the second collector 42, and the second heating region 52 and the 3rd heating region 53 are in the interior connection of the first collector 41.But the connected state of adjacent heating region 51,52,53 is not limited to this.For example, as shown in Figure 7, can also allow the first heating region 51 and the second heating region 52 be communicated with through the first tube connector 81, allow the second heating region 52 and the 3rd heating region 53 be communicated with through the second tube connector 82.
In the above-described first embodiment, be formed with three heating regions 51,52,53, but the quantity of heating region is not limited to this.
In the above-described first embodiment, at the first heating region 51, be formed with 240 refrigerant flow paths 46, at the second heating region 52, be formed with 216 refrigerant flow paths 46, at the 3rd heating region 53, be formed with 24 refrigerant flow paths 46, but the number of the refrigerant flow path 46 of each heating region 51,52,53 is not limited to this.Refrigerant flow path 46 in each heating region 51,52,53 presents the tendency that its number at least reduces from upside heating region 51 towards downside heating region 53, the heating region that the number that for example can also comprise part of refrigerant stream 46 equates with adjacent heating region.
(other embodiment)
In the above-described first embodiment, be by allowing the number of the refrigerant flow path 46 in each heating region 51,52,53 all change to allow total cross-sectional area of refrigerant flow path 46 change.But, allow total cross-sectional area diverse ways of refrigerant flow path 46 be not limited to this, for example can allow the cross-sectional area of refrigerant flow path 46 all change at heating region 51,52,53, can also allow number and the cross-sectional area both sides of the refrigerant flow path 46 in each heating region 51,52,53 change.
In the above-described first embodiment, allow mobile cold-producing medium arranged side by side interflow in the collector 41,42 extending along the vertical direction in each heating region 51,52,53, but it is also harmless to allow cold-producing medium collaborate in form and this collector 41,42 different collecting fittings.
-industrial applicability-
The utility model for make the heating on water tank with heat-transfer pipe in mobile condensation of refrigerant come to the heat exchanger for hot water supply of the water heating in water tank of great use.
Claims (10)
1. a heat exchanger for hot water supply, it comprises water tank (31) and the heating heat-transfer pipe (40) that stores water, this for heating heat-transfer pipe (40) around make on described water tank (31) cold-producing medium from upper towards current downflow and be connected in refrigerant loop (20), condensation of refrigerant, by the water heating in described water tank (31), is characterized in that:
Described for heating heat-transfer pipe (40) along above-below direction, marked off a plurality of heating regions (51,52,53),
A plurality of described heating regions (51,52,53) have respectively cold-producing medium arranged side by side mobile many refrigerant flow paths (46),
Described for heating heat-transfer pipe (40) be configured to: total cross-sectional area of many described refrigerant flow paths (46) in heating region described in each (51,52,53) reduces towards heating region described in downside (53) from heating region described in upside (51).
2. heat exchanger for hot water supply according to claim 1, is characterized in that:
Described for heating heat-transfer pipe (40) be configured to: the number of the described refrigerant flow path (46) in heating region described in each (51,52,53) reduces from heating region described in upside (51) towards heating region described in downside (53).
3. heat exchanger for hot water supply according to claim 2, is characterized in that:
Described for heating heat-transfer pipe (40) comprise many lists around pipe (43), two collectors (41, 42) and dividing plate (47, 48), these many lists are arranged along the vertical direction around pipe (43), upper around nearly one week at described water tank (31), at many lists every list in pipe (43), around the inside of pipe (43), be at least formed with a described refrigerant flow path (46), two collectors (41, 42) extend along the vertical direction and these two collectors (41, 42) collector (41) in is connected with described many lists one end around pipe (43), these two collectors (41, 42) another collector (42) in is connected with the other end of described many lists around pipe (43), by using dividing plate (47, 48) to these two collectors (41, 42) at least one collector (41 in, 42) inside is separated up and down and is formed a plurality of described heating regions (51, 52, 53).
4. heat exchanger for hot water supply according to claim 2, is characterized in that:
Described for heating heat-transfer pipe (40) comprise many lists around pipe (43) and two collectors (41, 42), these many lists are arranged along the vertical direction around pipe (43), upper around nearly one week at described water tank (31), at many lists every list in pipe (43), around the inside of pipe (43), be at least formed with respectively a described refrigerant flow path (46), two collectors (41, 42) extend along the vertical direction and these two collectors (41, 42) collector (41) in is connected with described many lists one end around pipe (43), these two collectors (41, 42) another collector (42) in is connected with the other end of described many lists around pipe (43),
At least one collector (41,42) in described two collectors (41,42) is disconnected by the above-below direction along this collector (41,42), to form a plurality of described heating regions (51,52,53).
5. according to the heat exchanger for hot water supply described in claim 3 or 4, it is characterized in that:
Described for heating heat-transfer pipe (40) be configured to: the described list in heating region described in each (51,52,53) reduces from heating region described in upside (51) towards heating region described in downside (53) around the radical of pipe (43).
6. heat exchanger for hot water supply according to claim 5, is characterized in that:
Described in each, list is formed with many described refrigerant flow paths (46) in pipe (43).
7. heat exchanger for hot water supply according to claim 6, is characterized in that:
Described in each, list consists of the flat tube with plane around pipe (43), and described in each, single state contacting with the outer peripheral face of described water tank (31) with this plane around pipe (43) is on this water tank (31).
8. heat exchanger for hot water supply according to claim 7, is characterized in that:
Described in each, single many described refrigerant flow paths (46) in pipe (43) become row along described planar alignment.
9. heat exchanger for hot water supply according to claim 5, is characterized in that:
Described in each, single pipe that is only formed with a described refrigerant flow path (46) by inside around pipe (43) forms.
10. heat exchanger for hot water supply according to claim 1, is characterized in that:
Described for heating heat-transfer pipe (40) be configured to: the cross-sectional area of refrigerant flow path described in each (46) reduces towards heating region described in downside (53) from heating region described in upside (51).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-194857 | 2012-09-05 | ||
| JP2012194857A JP6028471B2 (en) | 2012-09-05 | 2012-09-05 | Heat exchanger for hot water supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413823U true CN203413823U (en) | 2014-01-29 |
Family
ID=49976709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320544554.9U Expired - Lifetime CN203413823U (en) | 2012-09-05 | 2013-09-03 | Heat exchanger for hot water supply |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6028471B2 (en) |
| CN (1) | CN203413823U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629020B (en) * | 2020-12-17 | 2023-04-14 | 青岛海尔新能源电器有限公司 | Heat pump water heater and control method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820878U (en) * | 1981-08-04 | 1983-02-08 | 三菱電機株式会社 | heat pump water heater |
| JPH051865A (en) * | 1991-10-25 | 1993-01-08 | Showa Alum Corp | Aluminum made condenser for air condioner |
| JPH085270A (en) * | 1994-06-20 | 1996-01-12 | Niigata Pref Gov | Tank for manufacturing alcoholic beverages |
-
2012
- 2012-09-05 JP JP2012194857A patent/JP6028471B2/en active Active
-
2013
- 2013-09-03 CN CN201320544554.9U patent/CN203413823U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014052089A (en) | 2014-03-20 |
| JP6028471B2 (en) | 2016-11-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
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| CX01 | Expiry of patent term |