CN203928845U - Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant - Google Patents
Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant Download PDFInfo
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- CN203928845U CN203928845U CN201420263022.2U CN201420263022U CN203928845U CN 203928845 U CN203928845 U CN 203928845U CN 201420263022 U CN201420263022 U CN 201420263022U CN 203928845 U CN203928845 U CN 203928845U
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- Prior art keywords
- heat exchanger
- exchanger tube
- heat
- evaporator
- condenser
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Abstract
The utility model provides a kind of heat exchanger tube, a kind of evaporator assemblies that comprises above-mentioned heat exchanger tube, a kind of condenser assembly that comprises above-mentioned heat exchanger tube, and a kind of refrigeration plant that comprises above-mentioned evaporimeter and/or above-mentioned condenser.
Description
Technical field
The utility model relates in general to refrigerating field, relates more specifically to heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant.
Background technology
Heat exchanger tube is parts common in refrigeration plant.When cold-producing medium flows through from heat exchanger tube, through tube wall and the external world, carry out heat exchange there is evaporation or condensation.Conventionally, the inner surface of heat exchanger tube is smooth, and the cross section of outer surface is circular.
Utility model content
When the inner surface of heat exchanger tube is while being smooth, the contact area of this heat exchanger tube and cold-producing medium is subject to the restriction of the interior diameter of this heat exchanger tube.The outer surface of heat exchanger tube and another object contact to be to carry out heat exchange, and when the cross section of the outer surface of heat exchanger tube is while being circular, this contact contacts for line, and contact area is little.The efficiency that these have all limited heat exchange, is unfavorable for saving energy consumption.
In order to solve above-mentioned and other problem, make the utility model.
The utility model provides a kind of heat exchanger tube in one aspect, has a plurality of projections on the inner surface of this heat exchanger tube.These projections have increased the contact area of this heat exchanger tube and cold-producing medium, thereby have improved the efficiency that this heat exchanger tube and cold-producing medium carry out heat exchange.
In one embodiment, the plurality of projection is interior straight-tooth or internal thread.In one embodiment, the lift angle of this internal thread is not less than 60 °.The projection of interior straight-tooth or internal thread form is difficult for hindering cold-producing medium along the axial flow of this heat exchanger tube, and is easy to produce.In the situation that other conditions are identical, the lift angle of internal thread is larger, less along the resistance of the axial flow of this heat exchanger tube to cold-producing medium, and it is the internal thread of 90 ° that interior straight-tooth can be regarded as lift angle, minimum along the resistance of the axial flow of this heat exchanger tube to cold-producing medium.
In one embodiment, the tooth height of this interior straight-tooth or this internal thread is in 5% to 30% scope of the inside of this heat exchanger tube maximum radial dimension.The interior straight-tooth of this altitude range or internal thread have been obtained good compromise at the contact area and the difficult cold-producing medium that hinders that increase this heat exchanger tube and cold-producing medium between the axial flow of this heat exchanger tube, and are easy to produce.
In one embodiment, the number of this interior straight-tooth or this internal thread is in the scope of 8 to 40.The interior straight-tooth of this number range or internal thread have been obtained good compromise at the contact area and the difficult cold-producing medium that hinders that increase this heat exchanger tube and cold-producing medium between the axial flow of this heat exchanger tube, and are easy to produce.
In one embodiment, the periphery of the cross section of this heat exchanger tube comprises a straight flange.This straight flange can contact by formation face this heat exchanger tube when engaging with another object, and this has increased the area of this joint, thereby has both improved the efficiency that this heat exchanger tube and this another object carry out heat exchange, has improved again compliance and the stability of this joint.
For example, in the inner surface portion of the outer surface part homonymy forming with this straight flange that in one embodiment, the plurality of projection (in straight-tooth or internal thread) is only distributed in this heat exchanger tube.This side that has improved emphatically this straight flange place of this heat exchanger tube is carried out the efficiency of heat exchange by inner surface and cold-producing medium, and because in use just a side at this straight flange place of this heat exchanger tube by outer surface and this another object, carry out heat exchange, so further improved total heat exchanger effectiveness.
In one embodiment, the length of this straight flange is in 40% to 100% scope of the outside maximum radial dimension of this heat exchanger tube.The straight flange of this length range has been obtained good compromise between the area of this joint of increase and the inner space of this heat exchanger tube of maintenance and material usage.
In one embodiment, the shape of the periphery of the cross section of this heat exchanger tube is any in arc, the shape of a hoof and polygon.
In one embodiment, this interior straight-tooth is any in triangle straight-tooth, rectangle straight-tooth, ladder straight-tooth and zigzag straight-tooth, and this internal thread is any in triangle thread, rectangular thread, trapezoidal thread and saw-tooth thread.
In one embodiment, the material of this heat exchanger tube is aluminum or aluminum alloy.
The utility model provides a kind of evaporator assemblies in yet another aspect, and this evaporator assemblies comprises: inner bag; And heat exchange pipe of evaporator, this heat exchange pipe of evaporator is the heat exchanger tube of above-mentioned arbitrary type, and this heat exchange pipe of evaporator is wrapped on the outer surface of this inner bag.
In one embodiment, this heat exchange pipe of evaporator is the heat exchanger tube that the above-mentioned periphery at cross section comprises a straight flange, and this straight flange engages the outer surface of this inner bag.This makes this heat exchange pipe of evaporator contact with this inner bag formation face, has both improved the efficiency that this heat exchange pipe of evaporator and this inner bag carry out heat exchange, has improved again the stability of this joint.
In one embodiment, the outer surface of this evaporator assemblies is pasted with aluminium foil, and this aluminium foil covers at least a portion outer surface not engaging with this inner bag of this heat exchange pipe of evaporator and at least a portion outer surface not engaging with this heat exchange pipe of evaporator of this inner bag.The effect of this aluminium foil is that this heat exchange pipe of evaporator is fixed with respect to this inner bag.When this heat exchange pipe of evaporator contacts with this inner bag formation face, this is fixing more reliable, and this aluminium foil is difficult for perk.
In one embodiment, this inner bag is tubbiness inner bag, and this heat exchange pipe of evaporator is wrapped on the outer surface of this inner bag than the sparse pattern in both ends of the sidewall at this inner bag with the middle part of the sidewall at this inner bag.Because middle part is in use less to the demand of refrigeration, the relatively sparse winding in middle part had not only been saved heat exchange pipe of evaporator but also had been made the more uniform temperature of this inner bag.
In one embodiment, this evaporator assemblies also comprises the muffler that gaseous refrigerant for making to have evaporated refluxes, and one end of this heat exchange pipe of evaporator and one end of this muffler are bound up in resistance welded mode.Resistance welded has improved the uniformity of product, has reduced solder skip rate.
The utility model provides a kind of condenser assembly in yet another aspect, and this condenser assembly comprises: shell; And condenser heat-exchange pipes, this condenser heat-exchange pipes is the heat exchanger tube of above-mentioned arbitrary type, and this condenser heat-exchange pipes is laid on the inner surface of this shell.
In one embodiment, this condenser heat-exchange pipes is the heat exchanger tube that the above-mentioned periphery at cross section comprises a straight flange, and this straight flange engages the inner surface of this shell.This makes this condenser heat-exchange pipes contact with this shell formation face, has both improved the efficiency that this condenser heat-exchange pipes and this inner bag carry out heat exchange, has improved again the stability of this joint.
In one embodiment, the inner surface of this condenser assembly is pasted with aluminium foil, and this aluminium foil covers at least a portion outer surface not engaging with this shell of this condenser heat-exchange pipes and at least a portion inner surface not engaging with this condenser heat-exchange pipes of this shell.The effect of this aluminium foil is that this condenser heat-exchange pipes is fixed with respect to this shell.When this condenser heat-exchange pipes contacts with this shell formation face, this is fixing more reliable, and this aluminium foil is difficult for perk.
In one embodiment, this shell is tubbiness shell, and this condenser heat-exchange pipes is laid on the inner surface of this shell than the sparse pattern in both ends of the sidewall at this shell with the middle part of the sidewall at this shell.Because middle part is in use less to the demand of refrigeration, the relatively sparse winding in middle part had not only been saved condenser heat-exchange pipes but also had been made the more uniform temperature of this shell.
In one embodiment, this condenser assembly also comprises the liquid back pipe for the liquid refrigerant of condensation is refluxed, and one end of this condenser heat-exchange pipes and one end of this liquid back pipe are bound up in resistance welded mode.Resistance welded has improved the uniformity of product, has reduced solder skip rate.
The utility model is providing a kind of refrigeration plant aspect another again, and this refrigeration plant comprises: the evaporator assemblies of above-mentioned arbitrary type; And/or the condenser assembly of above-mentioned arbitrary type.
In one embodiment, this refrigeration plant is refrigerator or refrigerator.
Accompanying drawing explanation
With reference to accompanying drawing, will understand better the utility model.
Fig. 1 is the schematic diagram of the cross section of a heat exchanger tube of the prior art.
Fig. 2 is the schematic diagram of cross section of the heat exchanger tube of an embodiment of the present utility model.
Fig. 3 is the schematic diagram of cross section of the heat exchanger tube of another embodiment of the present utility model.
Accompanying drawing is only schematically, may not draw in proportion.
The specific embodiment
Below with reference to accompanying drawings the specific embodiment of the present utility model is described.
Fig. 1 is the schematic diagram of the cross section of a heat exchanger tube of the prior art.This heat exchanger tube is the pipe that inner surface is smooth.
Fig. 2 is the schematic diagram of cross section of the heat exchanger tube of an embodiment of the present utility model.On the inner surface of this heat exchanger tube, comprise a plurality of axially extended interior straight-tooth along this heat exchanger tube, and the shape of the cross-sectional circumference of this heat exchanger tube is circular.In a specific embodiment, the overall diameter of this heat exchanger tube (, outside maximum radial dimension) be 8mm, tooth not being calculated is 1mm at interior wall thickness, inner maximum radial dimension is 6mm, on inner surface, be uniformly distributed 30 interior straight-tooth that extend abreast along this heat exchanger tube, in each, the tooth height of straight-tooth is 0.6mm.
Fig. 3 is the schematic diagram of cross section of the heat exchanger tube of another embodiment of the present utility model.On the inner surface of this heat exchanger tube, comprise a plurality of axially extended interior straight-tooth along this heat exchanger tube, and the shape of the periphery of the cross section of this heat exchanger tube is be greater than semicircle arc.In a specific embodiment, the length of the straight flange of the periphery of the cross section of this heat exchanger tube is 6mm, outside maximum radial dimension is 8mm, tooth not being calculated is 1mm at interior wall thickness, inner maximum radial dimension is 6mm, 26 interior straight-tooth that extend abreast along this heat exchanger tube distribute on inner surface, in each, the tooth height of straight-tooth is 0.6mm, in these 26 interior straight-tooth 6 are distributed in this heat exchanger tube and the inner surface portion outer surface part homonymy consisting of this arc straight flange, all the other 20 are distributed in this heat exchanger tube and the inner surface portion outer surface part homonymy consisting of this arc arc.
In another embodiment of the present utility model (not shown), the shape of the periphery of the cross section of a heat exchanger tube is be greater than semicircle arc, the length of the straight flange that this is arc is 4mm, the outside maximum radial dimension of this heat exchanger tube is 12mm, inner maximum radial dimension is 10mm, the interior straight-tooth that distributes 8 axially parallels along this heat exchanger tube on inner surface and extend, in each, the tooth height of straight-tooth is 3mm, in the inner surface portion of the outer surface part homonymy forming with this arc straight flange that these 8 interior straight-tooth are all distributed in this heat exchanger tube, and do not have interior straight-tooth to be distributed in this heat exchanger tube and the inner surface portion outer surface part homonymy being formed by this arc arc.
In another embodiment of the present utility model (not shown), the shape of the periphery of the cross section of a heat exchanger tube is semicircle, the length of this semicircular straight flange is 12mm, outside maximum radial dimension is 12mm, inner maximum radial dimension is 10mm, 40 lift angles that distribute on inner surface are the internal thread of 60 °, and the tooth height of each internal thread is 0.5mm.
In another embodiment of the present utility model (not shown), an evaporator assemblies comprises: tubbiness inner bag; And heat exchange pipe of evaporator, on its inner surface, there is interior straight-tooth, this heat exchange pipe of evaporator is wrapped on the outer surface of this inner bag than the sparse pattern in both ends of the sidewall at this inner bag with the middle part of the sidewall at this inner bag, the shape of the periphery of the cross section of this heat exchange pipe of evaporator is arc, the shape of a hoof or polygon, its straight flange engages the outer surface of this inner bag, the outer surface of this evaporator assemblies is pasted with aluminium foil, and this aluminium foil covers the outer surface not engaging with this inner bag of this heat exchange pipe of evaporator and the outer surface not engaging with this heat exchange pipe of evaporator of this inner bag.
In another embodiment of the present utility model (not shown), a condenser assembly comprises: tubbiness shell; And condenser heat-exchange pipes, on its inner surface, there is interior straight-tooth, this condenser heat-exchange pipes is laid on the inner surface of this shell than the sparse pattern in both ends of the sidewall at this shell with the middle part of the sidewall at this shell, the shape of the periphery of the cross section of this condenser heat-exchange pipes is arc, the shape of a hoof or polygon, its straight flange engages the inner surface of this shell, the inner surface of this condenser assembly is pasted with aluminium foil, and this aluminium foil covers the outer surface not engaging with this shell of this condenser heat-exchange pipes and the inner surface not engaging with this condenser heat-exchange pipes of this shell.
In another embodiment of the present utility model, a refrigerator comprises above-mentioned evaporator assemblies and above-mentioned condenser assembly.
Above exemplified with embodiments more of the present utility model, but it will be appreciated that embodiment of the present utility model is not limited to this.Do not departing under the prerequisite of spirit and scope of the present utility model, can carry out multiple remodeling to the utility model.
Claims (10)
1. a heat exchanger tube, is characterized in that, has interior straight-tooth or internal thread on the inner surface of this heat exchanger tube, and the tooth height of this interior straight-tooth or this internal thread is in 5% to 30% scope of the inside of this heat exchanger tube maximum radial dimension.
2. heat exchanger tube according to claim 1, is characterized in that, the periphery of the cross section of this heat exchanger tube comprises a straight flange.
3. heat exchanger tube according to claim 2, is characterized in that, in the inner surface portion of the outer surface part homonymy forming with this straight flange that this interior straight-tooth or internal thread are only distributed in this heat exchanger tube.
4. heat exchanger tube according to claim 2, is characterized in that, the length of this straight flange is in 40% to 100% scope of the outside maximum radial dimension of this heat exchanger tube.
5. an evaporator assemblies, is characterized in that comprising:
Inner bag; And
Heat exchange pipe of evaporator, this heat exchange pipe of evaporator is according to the heat exchanger tube described in arbitrary claim in claim 1-4, and this heat exchange pipe of evaporator is wrapped on the outer surface of this inner bag.
6. evaporator assemblies according to claim 5, is characterized in that, this heat exchange pipe of evaporator is according to the heat exchanger tube described in arbitrary claim in claim 2-4, and this straight flange engages the outer surface of this inner bag.
7. a condenser assembly, comprising:
Shell; And
Condenser heat-exchange pipes, this condenser heat-exchange pipes is according to the heat exchanger tube described in arbitrary claim in claim 1-4, and this condenser heat-exchange pipes is laid on the inner surface of this shell.
8. condenser assembly according to claim 7, is characterized in that, this condenser heat-exchange pipes is according to the heat exchanger tube described in arbitrary claim in claim 2-4, and this straight flange engages the inner surface of this shell.
9. a refrigeration plant, comprising:
According to the evaporator assemblies described in arbitrary claim in claim 5-6; And/or
According to the condenser assembly described in arbitrary claim in claim 7-8.
10. refrigeration plant according to claim 9, wherein this refrigeration plant is refrigerator or refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263022.2U CN203928845U (en) | 2014-05-21 | 2014-05-21 | Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263022.2U CN203928845U (en) | 2014-05-21 | 2014-05-21 | Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203928845U true CN203928845U (en) | 2014-11-05 |
Family
ID=51824647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420263022.2U Expired - Fee Related CN203928845U (en) | 2014-05-21 | 2014-05-21 | Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203928845U (en) |
-
2014
- 2014-05-21 CN CN201420263022.2U patent/CN203928845U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |