CN204254883U - Heat exchanger and water heater - Google Patents
Heat exchanger and water heater Download PDFInfo
- Publication number
- CN204254883U CN204254883U CN201420646166.6U CN201420646166U CN204254883U CN 204254883 U CN204254883 U CN 204254883U CN 201420646166 U CN201420646166 U CN 201420646166U CN 204254883 U CN204254883 U CN 204254883U
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- heat exchange
- water tank
- area
- described heat
- arm
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000008236 heating water Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a water heater field discloses a heat exchanger and water heater, and the heat exchanger is used for heating the water tank, include along two headers of vertical direction setting, set up many heat transfer branch pipes between two headers along the horizontal direction, the heat transfer branch pipe has following structure: the heat exchange area of the heat exchange branch pipe corresponding to the surface area of the unit water tank positioned at the upper part of the water tank is smaller than that of the heat exchange branch pipe corresponding to the surface area of the unit water tank positioned at the lower part of the water tank. This application has reduced the heat transfer area of the heat transfer branch pipe that water tank upper portion unit water tank surface area corresponds through the form that sets up that changes heat transfer branch pipe, has improved the heat transfer area of the heat transfer branch pipe that water tank lower part unit water tank surface area corresponds, has improved the heat transfer performance of heat exchanger on the whole, has reduced heat transfer system's condensing pressure simultaneously, prevents to produce high-pressure protection.
Description
Technical field
The utility model relates to field of water heaters, discloses a kind of heat exchanger and water heater more specifically.
Background technology
The condenser of air source hot pump water heater is made up of around inner water tank heat exchanger, and the heat transfer effect of heat exchanger directly has influence on the heat exchange property of Teat pump boiler.
As shown in Figure 1, in prior art, the heat exchange arm of heat exchanger is evenly distributed between two collectors 1 ', and the spacing between adjacent heat exchange arm 2 ' is equal, and the width of heat exchange arm 2 ' is all equal.Because the water in water tank is in heating process, hot water constantly moves up, and therefore the water temperature of water tank upper is higher than the water temperature of water tank bottom.Because the heat-transfer effect between two objects depends on the temperature difference between two articles and contact area between the two, the contact area (namely increasing the quantity of water temperature compared with the heat exchange arm of lower part) increasing water temperature lower region has very great help for the heat exchange property improved between whole heat exchanger and water tank.In like manner, the region that water temperature is higher is unfavorable for heat exchange, even if can not solve the problem of heat transfer effect difference at the heat exchange arm that the top magnitude setting of water tank is many again.And the condensation temperature of whole heat-exchange system can be made to increase, condensation temperature increases corresponding condensing pressure also corresponding increase, thus increases compressor work, the heat exchange property of system is reduced, system high pressure side also may be made simultaneously too high, produces high voltage protective.If the heat exchange arm of that is top distribution of heat exchanger is crossed secret meeting and is caused water-heater system operating pressure too high, and then makes system produce high voltage protective.
Being distributed as of heat exchange arm on heat exchanger of the prior art is from top to bottom uniformly distributed, spacing between adjacent heat exchange arm is all equal, therefore identical with the quantity of the heat exchange arm of lower contacts with water tank upper on heat exchanger, this will cause heat exchanger overall heat exchange efficiency not high.
Therefore, market is needed a kind of heat exchanger badly and is had the water heater of this heat exchanger, and this heat exchanger changes the distribution mode of heat exchange arm, effectively can improve the heat exchange property of heat exchanger, can also reduce the condensing pressure of heat-exchange system simultaneously, prevent overvoltage protection.
Utility model content
An object of the present utility model is, propose a kind of heat exchanger, this heat exchanger changes the set-up mode of heat exchange arm, not high to solve the heat exchange efficiency that in prior art, heat exchanger exists, and easily occurs the problem of overvoltage protection phenomenon.
Another object of the present utility model is, proposes a kind of water heater, and this water heater is provided with above-mentioned heat exchanger, and the heat exchange efficiency of this water heater is higher, and Consumer's Experience is better.
For reaching this object, the utility model by the following technical solutions:
A kind of heat exchanger, for heating water tank, comprise vertically arrange two collectors, be arranged at many heat exchange arms between described two collectors in the horizontal direction; Described heat exchange arm can carry out heat exchange with water tank, and described heat exchange arm has following structure: the heat exchange area being positioned at described heat exchange arm corresponding to the unit water tank surface area of water tank upper is less than the heat exchange area of described heat exchange arm corresponding to the unit water tank surface area that is positioned at water tank bottom.
Further, the width of described heat exchange arm is identical, and the described heat exchange arm being positioned at the differing heights of water tank has different distribution densities; The distribution density being positioned at the described heat exchange arm of water tank upper is less than the distribution density of the described heat exchange arm being positioned at water tank bottom.
Further, the distribution density of described heat exchange arm from top to bottom evenly increases.
Further, described heat exchange arm is vertically at least divided into two heat exchange area from top to bottom, and the heat exchange area for described heat exchange arm corresponding to the unit water tank surface area in various heat exchange region from top to bottom increases gradually.
Preferably, the area being positioned at the described heat exchange area of water tank upper is less than the area of the described heat exchange area being positioned at water tank bottom; The width being arranged in the described heat exchange arm of the described heat exchange area of water tank upper is less than the width of the described heat exchange arm of the described heat exchange area being arranged in water tank bottom; The width being arranged in the described heat exchange arm of same described heat exchange area is identical; Spacing between adjacent described heat exchange arm in same described heat exchange area is identical.
Preferably, the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank upper is identical with the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank bottom.
Preferably, the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank upper is greater than the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank bottom.
Preferably, described heat exchange arm is flat tube.
A kind of water heater, comprise heat exchanger and water tank, described heat exchanger is centered around outside described water tank, and described water heater is provided with heat exchanger as above.
The beneficial effects of the utility model are: the application arranges form by change heat exchange arm; reduce the heat exchange area of heat exchange arm corresponding to the unit water tank surface area of water tank upper; improve the heat exchange area of heat exchange arm corresponding to water tank bottom unit water tank surface area; improve the heat exchange property of heat exchanger on the whole; reduce the condensing pressure of heat-exchange system simultaneously, prevent high voltage protective.
Water heater in the application is provided with above-mentioned heat exchanger, makes the heat exchange efficiency of water heater higher, comfort is better, improves Consumer's Experience, enhances the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of heat exchanger in prior art;
Fig. 2 is the overall structure schematic diagram of the heat exchanger that the utility model embodiment one proposes;
Fig. 3 is the overall structure schematic diagram of the heat exchanger that the utility model embodiment two proposes;
Fig. 4 is the overall structure schematic diagram of the heat exchanger that the utility model embodiment three proposes.
In figure:
1 ', collector; 2 ', heat exchange arm; 1, collector; 2, heat exchange arm; 3, the first heat exchange area; 31, the first heat exchange arm; 4, the second heat exchange area; 41, the second heat exchange arm; 6, the first heat exchange area; 61, the first heat exchange arm; 7, the second heat exchange area; 71, the second heat exchange arm.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
This application discloses a kind of heat exchanger, for heating water tank, comprise vertically arrange two collectors, be arranged at many heat exchange arms between two collectors in the horizontal direction.Heat exchanger is installed outside water tank, and because water tank is vertically placed, the water in water tank is in heating process, and hot water constantly moves up, and therefore the water temperature of water tank upper is higher than the water temperature of water tank bottom.Therefore in order to ensure the heat exchange efficiency between heat exchanger and water tank, the application is to by changing the distribution mode of heat exchange arm between two collectors, and the heat exchange area of the heat exchange arm that the water tank per surface area making to be positioned at water tank upper is corresponding is less than the heat exchange area of heat exchange arm corresponding to the unit water tank surface area that is positioned at water tank bottom.
Below by several specific embodiment, enumerate the arrangement of several different heat exchange arm, the technical scheme in the application is described in detail.
Embodiment one
As shown in Figure 2, it is a kind of heat exchanger that the present embodiment proposes, the mode being less than the heat exchange area of heat exchange arm corresponding to the unit water tank surface area that is positioned at water tank bottom in the present embodiment in order to the heat exchange area of heat exchange arm corresponding to the unit water tank surface area realizing water tank upper is: heat exchange arm 2 is flat tube and the width of heat exchange arm 2 is identical, heat exchange arm 2 is arranged between two collectors 1, and two collectors 1 are vertically arranged and the heat exchange arm 2 being positioned at water tank differing heights has different distribution densities.Namely collector 1 top that vertical direction is arranged is positioned at, the distribution density being namely positioned at the heat exchange arm 2 of water tank upper is less than the distribution density of the heat exchange arm 2 being positioned at water tank bottom, as one preferred embodiment, the distribution density of heat exchange arm 2 is along collector 1, and namely the vertical direction of water tank from top to bottom evenly increases.
Such as, the width of heat exchange arm 2 is 10mm, and along in top-down direction, the 1st heat exchange arm is arranged in order to the 25th heat exchange arm.Spacing between 1st heat exchange arm and the 2nd heat exchange arm is 15.5mm, spacing between 2nd heat exchange arm and the 3rd heat exchange arm is 15mm, spacing between 3rd heat exchange arm and the 4th heat exchange arm is 14.5mm, spacing between 4th heat exchange arm and the 5th heat exchange arm be 14mm and the like, successively decreasing, until the 25th heat exchange arm in arithmetic progression between adjacent spacing.
Because the spacing between heat exchange arm 2 from top to bottom to be successively decreased distribution in arithmetic progression, if with the bisector of collector 1 length direction for benchmark, collector 1 is divided into upper and lower, then be positioned at collector 1, namely the quantity of the heat exchange arm 2 of water tank upper is less than the quantity of the heat exchange arm 2 of water tank bottom, thus the few heat exchange amount of the area making collector 1 top contact with water tank is little, collector 1 bottom and water tank contact area large heat exchange amount many, thus the overall heat exchange efficiency of heat exchanger is improve.
Embodiment two
As shown in Figure 3, it is a kind of heat exchanger that the present embodiment proposes, in the present embodiment, collector 1 vertically distributes, heat exchange arm between two collectors 1 is vertically at least divided into two heat exchange area from top to bottom, specifically be divided into two heat exchange area in the present embodiment, be respectively the first heat exchange area 3 and the second heat exchange area 4.First heat exchange area 3 is positioned at the top of collector 1, the top of corresponding water tank, is wherein provided with the first heat exchange arm 31; Second heat exchange area 4 is positioned at the bottom of collector 1, the bottom of corresponding water tank, is wherein provided with the second heat exchange arm 41, first heat exchange area 3 and is connected with the second heat exchange area 4.First heat exchange arm 31 and the second heat exchange arm 41 are flat tube.When carrying out the first heat exchange area 3 and the second heat exchange area 4 arranges, in the first heat exchange area 3, the heat exchange area of the first heat exchange arm 31 that water tank per surface area is corresponding is less than the heat exchange area of the second heat exchange arm 41 corresponding to water tank per surface area in the second heat exchange area 4.
In order to reach above-mentioned technique effect, the specific embodiments adopted in the present embodiment is: the width of the first heat exchange arm 31 in the first heat exchange area 3 is less than the width of the second heat exchange arm 41 in the second heat exchange area 4.Meanwhile, ensure that the width being arranged in the heat exchange arm of same heat exchange area is identical, the width of the first heat exchange arm 31 namely in the first heat exchange area 3 is all same size, and the width being arranged in the second heat exchange arm 41 of the second heat exchange area 4 is all same size.Ensure that the spacing between the adjacent heat exchange arm in same heat exchange area is identical, the spacing between two the adjacent heat exchange arms 31 namely in the first heat exchange area 3 is identical; The spacing of the heat exchange arm between the second heat exchange arm 41 adjacent in the second heat exchange area 4 is identical.
And in the present embodiment, the spacing between the first heat exchange arm 31 in the first heat exchange area 3 is equal with the spacing in the second heat exchange area 4 between second heat exchange arm 41.
Heat exchange arm in the present embodiment adopts above-mentioned set-up mode, because the spacing between any two heat exchange arms is all equal, the area of the first heat exchange area 3 is less than the area of the second heat exchange area 4, and the width of the first heat exchange arm 31 in the first heat exchange area 3 is less than the width of the second heat exchange arm 41 in the second heat exchange area 4.Therefore, the heat exchange amount in the first heat exchange area 3 is less than the heat exchange amount in the second heat exchange area 4, and entirety improves the heat exchange efficiency of heat exchanger.
Embodiment three
Difference between the present embodiment and embodiment two is, 3 heat exchange area are provided with in the present embodiment, be respectively the first ascending heat exchange area of area, the second heat exchange area and the 3rd heat exchange area, the width of the heat exchange arm in same heat exchange area is all identical, and the spacing between any two adjacent heat exchange arms is also identical.The width of the first heat exchange arm in the first heat exchange area is less than the width of the second heat exchange arm in the second heat exchange area, the width of the second heat exchange arm in the second heat exchange area is less than the width of the 3rd heat exchange arm in the 3rd heat exchange area, and all heat exchange arms are flat tube.Owing to being provided with three heat exchange area in the present embodiment, the second heat exchange area serves the effect of transition, better can improve heat exchange efficiency.
The quantity of heat exchange area is not limited to and 2 and 3, can also be 4 or 5 or multiple.
Embodiment four
As shown in Figure 4, it is a kind of heat exchanger that the present embodiment proposes, the difference of the set-up mode of the heat exchange arm in the set-up mode of the heat exchange arm of the heat exchanger in the present embodiment and embodiment two is: be positioned at collector 1 top, i.e. spacing between adjacent heat exchange arm in the heat exchange area of water tank upper is greater than the spacing between the adjacent heat exchange arm in the heat exchange area of water tank bottom.
In specific implementation process as shown in Figure 4, heat exchange arm is divided into the first heat exchange area 6 and the second heat exchange area 7, first heat exchange area 6 is positioned at the top of collector 1, the namely top of water tank, second heat exchange area 7 is positioned at the bottom of collector 1, the namely bottom of water tank, and the area of the first heat exchange area 6 is less than the area of the second heat exchange area 7.
As further technical scheme, the width of the first heat exchange arm 61 in the first heat exchange area 6 is less than the width of the second heat exchange arm 71 in the second heat exchange area 7, and the interval between the adjacent heat exchange arm in same heat exchange area is equal.Interval between first heat exchange arm 61 of arbitrary neighborhood is greater than the interval between the second heat exchange arm 71 of arbitrary neighborhood.Preferably, the first heat exchange arm 61 and the second heat exchange arm 71 are flat tube.Such set-up mode, make the effective contact area between the first heat exchange arm 61 in the first heat exchange area 6 and water tank little, the second heat exchange arm 71 in second heat exchange area 7 is large with effective contact area of water tank, therefore the heat exchange area being arranged in the first heat exchange arm 61 corresponding to the first heat exchange area 6 unit water tank surface area of water tank upper is less than the heat exchange area of the second heat exchange arm 62 corresponding to the second heat exchange area 7 unit water tank surface area, thus improves the heat exchange efficiency of heat exchanger on the whole.
The quantity of certain heat exchange area is not limited to 2, can also be 3,4 or 5 etc.As long as ensure between two adjacent heat exchange area, the area of heat exchange area being positioned at top is less than the heat exchange area area being positioned at below, and the width of heat exchange arm in the heat exchange area of top is less than the width of the heat exchange arm in the heat exchange area of below.Meanwhile, the interval between the heat exchange arm in the heat exchange area of top is greater than the interval between the heat exchange arm in heat exchange area, below.
Heat exchanger in embodiment one to embodiment four; what change heat exchange arm arranges form; reduce the heat exchange area of heat exchange arm corresponding to the unit water tank surface area of water tank upper; improve the heat exchange area of heat exchange arm corresponding to the unit water tank surface area of water tank bottom; improve the heat exchange property of heat exchanger on the whole; reduce the condensing pressure of heat-exchange system simultaneously, prevent high voltage protective.
Embodiment five
The present embodiment proposes a kind of water heater, comprise heat exchanger and water tank, heat exchanger is centered around outside water tank, water heater in the present embodiment is provided with as the heat exchanger in any one embodiment in embodiment one to embodiment four, make the heat exchange efficiency of water heater higher, comfort is better, improves Consumer's Experience, enhances the competitiveness of product in market.
Below describe know-why of the present utility model in conjunction with specific embodiments, these describe just in order to explain principle of the present utility model, can not be interpreted as the restriction to the utility model protection domain by any way.Based on explaining herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (9)
1. a heat exchanger, for heating water tank, comprise vertically arrange two collectors (1), be arranged at many heat exchange arms between described two collectors (1) in the horizontal direction; Described heat exchange arm can carry out heat exchange with water tank, it is characterized in that, described heat exchange arm has following structure: the heat exchange area being positioned at described heat exchange arm corresponding to the unit water tank surface area of water tank upper is less than the heat exchange area of described heat exchange arm corresponding to the unit water tank surface area that is positioned at water tank bottom.
2. heat exchanger according to claim 1, is characterized in that: the width of described heat exchange arm is identical, and the described heat exchange arm being positioned at the differing heights of water tank has different distribution densities;
The distribution density being positioned at the described heat exchange arm of water tank upper is less than the distribution density of the described heat exchange arm being positioned at water tank bottom.
3. heat exchanger according to claim 2, is characterized in that: the distribution density of described heat exchange arm from top to bottom evenly increases.
4. heat exchanger according to claim 1, it is characterized in that: described heat exchange arm is vertically at least divided into two heat exchange area from top to bottom, the heat exchange area for described heat exchange arm corresponding to the unit water tank surface area in various heat exchange region from top to bottom increases gradually.
5. heat exchanger according to claim 4, is characterized in that: the area being positioned at the described heat exchange area of water tank upper is less than the area of the described heat exchange area being positioned at water tank bottom;
The width being arranged in the described heat exchange arm of the described heat exchange area of water tank upper is less than the width of the described heat exchange arm of the described heat exchange area being arranged in water tank bottom;
The width being arranged in the described heat exchange arm of same described heat exchange area is identical;
Spacing between adjacent described heat exchange arm in same described heat exchange area is identical.
6. heat exchanger according to claim 5, is characterized in that: the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank upper is identical with the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank bottom.
7. heat exchanger according to claim 5, is characterized in that: the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank upper is greater than the spacing between the adjacent described heat exchange arm in the described heat exchange area of water tank bottom.
8. the heat exchanger according to any one of claim 1-7, is characterized in that: described heat exchange arm is flat tube.
9. a water heater, comprises heat exchanger and water tank, and described heat exchanger is centered around outside described water tank, it is characterized in that: described water heater is provided with the heat exchanger according to any one of claim 1-8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420646166.6U CN204254883U (en) | 2014-10-31 | 2014-10-31 | Heat exchanger and water heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420646166.6U CN204254883U (en) | 2014-10-31 | 2014-10-31 | Heat exchanger and water heater |
Publications (1)
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CN204254883U true CN204254883U (en) | 2015-04-08 |
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CN201420646166.6U Active CN204254883U (en) | 2014-10-31 | 2014-10-31 | Heat exchanger and water heater |
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CN (1) | CN204254883U (en) |
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2014
- 2014-10-31 CN CN201420646166.6U patent/CN204254883U/en active Active
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