CN214148436U - Air curtain type finned tube evaporator and solar heat pump system - Google Patents
Air curtain type finned tube evaporator and solar heat pump system Download PDFInfo
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- CN214148436U CN214148436U CN202022828682.9U CN202022828682U CN214148436U CN 214148436 U CN214148436 U CN 214148436U CN 202022828682 U CN202022828682 U CN 202022828682U CN 214148436 U CN214148436 U CN 214148436U
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- air curtain
- finned tube
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- 238000010257 thawing Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 description 18
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Defrosting Systems (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model belongs to the technical field of solar thermal energy pump is relevant, a air curtain formula finned tube evaporimeter and solar thermal energy pump system is disclosed, air curtain formula finned tube evaporimeter includes: a housing; a plurality of fins; the heat exchange tubes are arranged in the shell and penetrate through the fins; the flow divider is arranged on the shell and is communicated with one end of the heat exchange tube; the gas collecting pipe is arranged on the shell and comprises a first communication port and a plurality of second communication ports, and each second communication port is communicated with the other end of one heat exchange pipe; one end of the defrosting pipe is communicated with the first communication port; the fan sets up in the casing top, and the fan can be to the fin air supply, and the air supply direction of fan is on a parallel with the extending direction of fin. The utility model discloses a defrosting pipe can realize the defrosting to the evaporimeter surface, through the fan to the fin air supply moreover, and the air supply direction is on a parallel with the extending direction of fin, can increase the air flow, and then makes the contact volume increase of fin and air, has improved heat transfer effect.
Description
Technical Field
The utility model relates to a solar thermal energy pump correlation technique field especially relates to an air curtain formula finned tube evaporimeter and solar thermal energy pump system.
Background
Solar energy is the most important and basic energy source among various renewable energy sources, is an inexhaustible clean energy source, and how to utilize solar energy more effectively and on a large scale is a hot topic which is researched all the time. The heat pump is characterized in that heat can be transferred from a low-temperature heat source to a high-temperature heat source, and the utilization rate of the low-temperature heat source is improved. The solar heat pump organically combines a heat pump technology and a solar heat utilization technology, so that on one hand, the plate surface temperature of the solar heat collector can be effectively reduced, and the efficiency of the heat collector is improved; on the other hand, under the condition of the same radiation condition, the solar heat pump heating system can obtain higher evaporation temperature than the air source heat pump, so that the performance of the heat pump system is improved, and the development prospect is very wide.
When the evaporator of the existing solar heat pump system is used, when the outside does not have sunlight, the problems of slow heat exchange and low heat exchange efficiency only through air exist, and the evaporator also has the frosting condition when in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air curtain formula finned tube evaporimeter and solar thermal energy pump system can improve air heat exchange efficiency, and can defrost.
To achieve the purpose, the utility model adopts the following technical proposal:
an air curtain finned tube evaporator comprising:
a housing;
the fins are arranged in the shell at equal intervals;
the heat exchange tubes are arranged in the shell and penetrate through the fins;
the flow divider is arranged on the shell and is communicated with one end of the heat exchange tube;
the gas collecting pipe is arranged on the shell and comprises a first communication port and a plurality of second communication ports, and each second communication port is communicated with the other end of one heat exchange pipe;
one end of the defrosting pipe is communicated with the first communication port;
the fan, set up in the casing top, the fan can to the fin air supply, just the air supply direction of fan is on a parallel with the extending direction of fin.
Preferably, the defrosting device further comprises a flow guide piece, wherein the flow guide piece is arranged below the shell and provided with a flow guide groove, and the flow guide groove is used for receiving condensed water and defrosting water flowing down from the fins.
Preferably, the width of the guide groove is greater than the width of the fin.
Preferably, the shape of the diversion trench is a U shape or an inverted trapezoid.
Preferably, the diversion part comprises a transverse plate and vertical plates connected to two sides of the transverse plate, and the diversion grooves are formed in the transverse plate.
Preferably, the transverse plate forms the diversion trench by stamping.
Preferably, a first diversion trench is arranged below the shell, and the first diversion trench is used for receiving condensed water and defrosting water flowing down from the fins.
Preferably, the fan is provided with a plurality of fans, the fans are arranged on the top of the shell side by side, and the total air supply range of the fans covers the fins.
Preferably, the heat exchange tube is a U-shaped heat exchange tube, and the U-shaped heat exchange tube horizontally penetrates through the fins.
The utility model also provides a solar heat pump system, including foretell air curtain formula finned tube evaporimeter.
The utility model has the advantages that:
the utility model discloses a defrosting pipe can realize the defrosting to the evaporimeter surface, and through the fan to the fin air supply moreover, and the direction of supplying air is on a parallel with the extending direction of fin, can increase the air and flow, and then makes fin and air contact volume increase, has just also improved the heat transfer volume of refrigerant in the heat transfer pipe, and then has improved the heat transfer effect of air curtain formula finned tube evaporimeter.
Drawings
Fig. 1 is a front view of an air curtain type finned tube evaporator according to an embodiment of the present invention;
fig. 2 is a side view of an air curtain type finned tube evaporator according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a flow guide member according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a fin; 3. a heat exchange pipe; 4. a flow divider; 5. a gas collecting pipe; 51. a first communication port; 52. a second communication port; 6. a defrost pipe; 7. a fan; 8. a flow guide member; 81. a diversion trench; 82. a transverse plate; 83. a riser.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment provides an air curtain type finned tube evaporator which can be applied to a solar heat pump system to achieve efficient utilization of air energy. As shown in fig. 1 and 2, the air curtain type fin 2 evaporation tube comprises a shell 1, fins 2, a heat exchange tube 3, a flow divider 4, a gas collecting tube 5, a defrosting tube 6 and a fan 7, wherein:
above-mentioned fin 2 is provided with a plurality of, and a plurality of fin 2 is along the equidistant installation in casing 1 of horizontal direction, and a plurality of fin 2 sets up along vertical direction. The width of the fins 2 is smaller than the width of the housing 1.
The heat exchange tubes 3 are provided with a plurality of heat exchange tubes 3 which are arranged at intervals along the vertical direction, and each heat exchange tube 3 is arranged on all the fins 2 in a penetrating manner so as to be supported by the fins 2. A refrigerant flows through the heat exchange tube 3, and when the refrigerant flows through the heat exchange tube 3, the refrigerant can exchange heat with the outside air through the fins 2. Preferably, the heat exchange tube 3 penetrates through the fin 2 along the horizontal direction, and the heat exchange tube 3 can be a U-shaped heat exchange tube, so as to increase the circulation path of the refrigerant in the heat exchange tube 3 and improve the heat exchange effect with the outside air.
The flow divider 4 is installed on the shell 1 and communicated with one end of the heat exchange tubes 3, the flow divider 4 can be communicated with a throttling element of the solar heat pump system, and the refrigerant throttled by the throttling element can be uniformly divided into the heat exchange tubes 3 by the flow divider 4 through the flow divider 4 so as to achieve the optimal and uniform heat exchange effect.
The gas collecting pipe 5 is installed on the casing 1, and the gas collecting pipe 5 includes a first communicating port 51 and a plurality of second communicating ports 52, each second communicating port 52 is communicated with the other end of one heat exchanging pipe 3 (i.e. the end not connected with the flow divider 4), the first communicating port 51 is communicated with one end of the defrosting pipe 6, the other end of the defrosting pipe 6 can be communicated with a compressor of the solar heat pump system, a high-temperature refrigerant discharged by the compressor can flow into the heat exchanging pipe 3 through the defrosting pipe 6, and frost formation on the fin 2 can be defrosted.
Above-mentioned fan 7 sets up in casing 1 top, and fan 7 can supply air to fin 2 to improve the volume of the air that fin 2 contacted, also improved the heat transfer volume of refrigerant and air in the heat exchange tube 3, improved the heat transfer effect of the air curtain formula finned tube evaporator of this embodiment effectively. Preferably, the air blowing direction of the fan 7 is parallel to the extending direction of the fins 2, that is, the air is blown from top to bottom in the present embodiment, and air is in contact with the left and right sides of the fins 2 during air blowing.
Further, fan 7 can be equipped with a plurality ofly, and a plurality of fans 7 are arranged in the 1 top of casing side by side, and the total air supply scope of a plurality of fans 7 covers a plurality of fins 2, through setting up a plurality of fans 7 promptly, it need not high-power fan 7 and can realize sufficient air supply volume, and can make the contact volume increase of all fins 2 and air to reach better heat transfer effect.
In this embodiment, as shown in fig. 2 and fig. 3, the air curtain type finned tube evaporator further includes a flow guiding member 8, the flow guiding member 8 is disposed below the casing 1, a flow guiding groove 81 is disposed on the flow guiding member 8, the flow guiding groove 81 is disposed right opposite to the bottoms of the fins 2, and can receive the condensed water and the defrosting water flowing down from the fins 2. When the air curtain type finned tube evaporator of the embodiment evaporates and absorbs heat, the temperature of the outside air is reduced, so that condensed water can be generated on the fins 2, and the condensed water can be collected through the diversion trench 81. In addition, after the frost is formed on the fin 2, the fin 2 needs to be defrosted, and defrosted water flowing down after the defrosting is also collected in the guide groove 81.
Preferably, the diversion trench 81 of the present embodiment is disposed along the width direction of the casing 1, and the width of the diversion trench 81 is greater than the width of the fins 2, so as to receive all the condensed water or defrosted water flowing down the fins 2. In the present embodiment, the flow guide grooves 81 may have a U-shape or an inverted trapezoidal structure as shown in fig. 3.
Further, the guide member 8 includes a horizontal plate 82 and a vertical plate 83 connected to both sides of the horizontal plate 82, and the guide groove 81 is formed on the horizontal plate 82. Through the riser 83 of both sides, can realize the support to guide 8, and through diaphragm 82, it can set up guiding gutter 81 to realize the collection to comdenstion water and defrosting water. More preferably, the diversion trench 81 of the present embodiment may be formed by stamping, that is, by stamping the horizontal plate 82, so as to form the diversion trench 81.
The embodiment also provides a solar heat pump system, including the compressor that communicates in proper order, the condenser, throttling element and foretell air curtain formula finned tube evaporator, when using solar heat pump system, if when carrying out the air heat transfer, compressor exhaust high temperature high pressure refrigerant gets into the condenser condensation and releases heat, gets into the shunt 4 of above-mentioned air curtain formula finned tube evaporator after throttling element throttle afterwards, in shunting to each heat exchange tube 3 through shunt 4, the air can pass through the refrigerant heat transfer in fin 2 and the heat exchange tube 3 this moment, in order to improve the temperature of refrigerant. Then, the refrigerant enters the gas collecting pipe 5 through the second communication port 52, flows into the defrosting pipe 6 through the first communication port 51, and then flows into the compressor through the defrosting pipe 6, and in this process, the defrosting pipe 6 does not defrost the fin 2.
When the air of the solar heat pump system can not enable the temperature of the refrigerant in the air curtain type finned tube evaporator to be increased to the preset temperature, the fan 7 can be started, the fan 7 supplies air to the fins 2, the contact quantity of the fins 2 and the air is improved, further the refrigerant in the heat exchange tube 3 exchanges heat with more air, the temperature increased by the refrigerant is increased to the preset temperature, and the better heat exchange requirement is met.
When a refrigerant in the air curtain type finned tube evaporator absorbs heat in the evaporation process, condensate water can be generated on the fins 2, and at the moment, the condensate water is collected through the flow guide piece 8. When the external temperature is too low, the fins 2 can frost, and at the moment, a high-temperature and high-pressure refrigerant discharged by the compressor directly enters the defrosting pipe 6 for releasing heat of the air curtain type fin pipe evaporator so as to defrost the fins 2, then enters the gas collecting pipe 5 through the defrosting pipe 6, is shunted to the heat exchange pipe 3 through the gas collecting pipe 5, then enters the throttling element through the shunt 4, enters the condenser through the throttling element, and finally flows into the compressor from the condenser.
Example two
The present embodiment provides an air curtain type finned tube evaporator, which is different from the first embodiment in that a first diversion trench is directly disposed below a housing without a diversion member, and the first diversion trench has the same structure as the diversion trench in the first embodiment, and can receive condensed water and defrosted water flowing down from fins.
The rest of the structure of this embodiment is the same as that of the first embodiment, and therefore, the description thereof is omitted.
The embodiment also provides a solar heat pump system, including the compressor that communicates in proper order, the condenser, throttling element and foretell air curtain formula finned tube evaporator, it can realize the defrosting to the evaporator surface, and to the fin air supply through the fan in addition, and the air supply direction is on a parallel with the extending direction of fin, can increase the air flow, and then makes fin and air contact volume increase, has just also improved the heat transfer volume of refrigerant in the heat exchange tube, and then has improved air curtain formula finned tube evaporator's heat transfer effect.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An air curtain finned tube evaporator comprising:
a housing (1);
the fins (2) are arranged in the shell (1) at equal intervals;
the heat exchange tubes (3) are arranged in the shell (1) and penetrate through the fins (2);
the flow divider (4) is arranged on the shell (1) and is communicated with one end of the heat exchange tube (3);
the gas collecting pipe (5) is arranged on the shell (1), the gas collecting pipe (5) comprises a first communication port (51) and a plurality of second communication ports (52), and each second communication port (52) is communicated with the other end of one heat exchange pipe (3);
a defrosting pipe (6) having one end connected to the first communication port (51);
fan (7), set up in casing (1) top, fan (7) can to fin (2) air supply, just the air supply direction of fan (7) is on a parallel with the extending direction of fin (2).
2. The air curtain type finned tube evaporator as claimed in claim 1, further comprising a flow guiding member (8), wherein the flow guiding member (8) is disposed below the housing (1), and the flow guiding member (8) is provided with a flow guiding groove (81), and the flow guiding groove (81) is used for receiving condensed water and defrosting water flowing down the fins (2).
3. Air curtain finned tube evaporator according to claim 2, characterised in that the width of the guide channels (81) is greater than the width of the fins (2).
4. Air curtain finned tube evaporator according to claim 3, characterized in that the shape of the guiding gutter (81) is U-shaped or inverted trapezoid.
5. The air curtain type finned tube evaporator as claimed in any one of claims 2 to 4, wherein the guide member (8) comprises a transverse plate (82) and a vertical plate (83) connected to both sides of the transverse plate (82), and the guide groove (81) is formed in the transverse plate (82).
6. Air curtain finned tube evaporator according to claim 5, characterized in that the transverse plates (82) form the baffle slots (81) by stamping.
7. The air curtain type finned tube evaporator as claimed in claim 1, characterized in that a first guiding gutter is arranged below the shell (1), and the first guiding gutter is used for receiving condensed water and defrosting water flowing down the fins (2).
8. The air curtain type finned tube evaporator as claimed in claim 1, characterized in that the number of the fans (7) is multiple, the fans (7) are arranged on the top of the shell (1) side by side, and the total air supply range of the fans (7) covers a plurality of the fins (2).
9. The air curtain type finned tube evaporator as claimed in claim 1, wherein the heat exchange tube (3) is a U-shaped heat exchange tube, and the U-shaped heat exchange tube is horizontally arranged on the fin (2) in a penetrating manner.
10. A solar heat pump system comprising the air curtain finned tube evaporator of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828682.9U CN214148436U (en) | 2020-11-30 | 2020-11-30 | Air curtain type finned tube evaporator and solar heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828682.9U CN214148436U (en) | 2020-11-30 | 2020-11-30 | Air curtain type finned tube evaporator and solar heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214148436U true CN214148436U (en) | 2021-09-07 |
Family
ID=77567792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022828682.9U Active CN214148436U (en) | 2020-11-30 | 2020-11-30 | Air curtain type finned tube evaporator and solar heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214148436U (en) |
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2020
- 2020-11-30 CN CN202022828682.9U patent/CN214148436U/en active Active
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