CN207231001U - Heat exchanger, dehumidifier and refrigeration plant - Google Patents
Heat exchanger, dehumidifier and refrigeration plant Download PDFInfo
- Publication number
- CN207231001U CN207231001U CN201721159339.1U CN201721159339U CN207231001U CN 207231001 U CN207231001 U CN 207231001U CN 201721159339 U CN201721159339 U CN 201721159339U CN 207231001 U CN207231001 U CN 207231001U
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- Prior art keywords
- heat exchanger
- heat
- refrigerant
- tube
- vacant
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 8
- 238000002955 isolation Methods 0.000 claims abstract description 53
- 239000003507 refrigerant Substances 0.000 claims abstract description 42
- 230000008676 import Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010257 thawing Methods 0.000 abstract description 3
- 230000003245 working effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010200 validation analysis Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a heat exchanger, dehumidifier and refrigeration plant. The heat exchanger comprises a heat exchange part (1) positioned on the upper part of the heat exchanger and an isolation part (2) positioned on the lower part of the heat exchanger, wherein the heat exchange part (1) comprises a refrigerant heat exchange pipe (3) for allowing a refrigerant to flow through the heat exchange part (1), and the isolation part (2) is used for isolating cold generated by the heat exchange part (1) at the bottom of the heat exchanger. According to the utility model discloses a heat exchanger can avoid heat exchanger bottom cold volume to gather, improves the defrosting effect of heat exchanger, improves the working property of heat exchanger.
Description
Technical field
The utility model belongs to apparatus of air conditioning technical field, and in particular to a kind of heat exchanger, dehumidifier and refrigeration are set
It is standby.
Background technology
At present, in the process of running, heat exchanger has the situation of frosting to existing dehumidifier, therefore when dehumidifier operation one
Just need to carry out defrost after the section time.Due to being in temperature lower region below the heat exchanger of dehumidifier, ice sheet is thicker, is carrying out
During defrost, often defrost is not clean at the nethermost U-tube of heat exchanger, influences the heat exchange property of heat exchanger.In addition, changing
During frost, due to gravity factor, the frozen water after defrost needs to flow through the U-tube of lower section temperature lower region, causes the area
The heat transfer effect in domain is poor, and defrost effect is poor, when tube temperature, which reaches, exits defrost temperature, in the nethermost U-tube of heat exchanger
Also failing to of frost is clean, and during long-time service, the nethermost U-tube frost layer of heat exchanger can be increasing, influences the heat exchange of heat exchanger
Performance.
Utility model content
Therefore, the technical problems to be solved in the utility model is to provide a kind of heat exchanger, dehumidifier and refrigeration plant, energy
Enough avoid exchanger base cold from gathering, improve the defrost effect of heat exchanger, improve the working performance of heat exchanger.
To solve the above-mentioned problems, the utility model provides a kind of heat exchanger, including the heat exchanging part positioned at heat exchanger top
With positioned at the isolation part of heat exchanger lower part, heat exchanging part includes being used for the refrigerant heat exchanger tube that heat exchanging part is flowed through for refrigerant, and isolation part is used
In the cold produced in the bottom of heat exchanger isolation heat exchanging part.
Preferably, the import of refrigerant heat exchanger tube is located at the top of heat exchanging part, and the outlet of refrigerant heat exchanger tube is positioned at heat exchanging part
Bottom.
Preferably, the outlet of refrigerant heat exchanger tube is located at heat exchanging part positioned at the top of heat exchanging part, the import of refrigerant heat exchanger tube
Bottom.
Preferably, the surface of isolation part is coated with thermal insulation layer.
Preferably, isolation part includes an at least vacant heat exchanger tube, vacant heat exchanger tube and the refrigerant heat exchanger tube phase of heat exchanging part
It is mutually independent.
Preferably, isolation part includes two vacant heat exchanger tubes, and the first end of two vacant heat exchanger tubes is connected by U-tube.
Preferably, the second end of two vacant heat exchanger tubes is provided with plug.
Preferably, isolation part includes at least one vacant heat exchange pore.
Another aspect according to the present utility model, there is provided a kind of dehumidifier, including heat exchanger, the heat exchanger are above-mentioned
Heat exchanger.
Preferably, drip tray is provided with below heat exchanger, along the direction away from exchanger base, drip tray is tried to get to the heart of a matter
Highly successively decrease.
Preferably, drip tray is provided with below heat exchanger, drip tray is obliquely installed, the acclivitous part of drip tray
The bottom of corresponding heat exchanger is set.
Another further aspect according to the present utility model, there is provided a kind of refrigeration plant, including heat exchanger, the heat exchanger are above-mentioned
Heat exchanger.
Heat exchanger provided by the utility model, including heat exchanging part positioned at heat exchanger top and positioned at heat exchanger lower part every
From portion, heat exchanging part includes being used for the refrigerant heat exchanger tube that heat exchanging part is flowed through for refrigerant, and isolation part is used to isolate in the bottom of heat exchanger
The cold that heat exchanging part produces.The heat exchanger includes heat exchanging part and isolation part, and wherein isolation part is located at below heat exchanging part, can change
Temperature isolation region is formed on hot device bottom so that heat exchanger, will not when condensation flow is through temperature isolation region when being freezed
Continue to absorb cold, avoid the problem that exchanger base cold gathers, during condensation flow is through isolation part, due to isolation
The temperature in portion is influenced smaller by heat exchanging part, therefore be will not continue to make condensed water cool down, is avoided or reduce condensed water in isolation part
Icing or frosting so that condensed water can be discharged smoothly from heat exchanger, will not be increased the icing amount of exchanger base, be avoided
Exchanger base frost layer or ice sheet the problem of increasingly thickness causes to be not easy defrost during long-time service heat exchanger.Changed
When white, since the temperature of isolation part is higher, the condensed water that heat exchanger surface produces will not during isolation part is flowed through
Reducing temperature twice is produced, and the higher temperature of isolation part effectively can also avoid condensed water from being tied again during isolation part is flowed through
Frost freezes, and ensures the defrost efficiency of heat exchanger.Since the defrost efficiency of isolation part is higher, when the tube temperature of heat exchanger arrives
Up to when exiting defrost temperature, the frost layer or ice sheet of isolation part also can validation do so that heat exchanger integrally can fully be changed
Frost, improves the defrost efficiency of the heat exchanging part of heat exchanger, reduces the defrost time of heat exchanger, ensures that heat exchanger defrosting is clean, improves
The heat exchange property of heat exchanger.
Brief description of the drawings
Fig. 1 is the structure diagram of the heat exchanger of the utility model embodiment；
Fig. 2 is the side view of the heat exchanger of the utility model embodiment.
Reference numeral is expressed as：
1st, heat exchanging part；2nd, isolation part；3rd, refrigerant heat exchanger tube；4th, vacant heat exchanger tube.
Embodiment
With reference to shown in referring to Fig. 1 and Fig. 2, embodiment according to the present utility model, heat exchanger includes being located at heat exchanger top
Heat exchanging part 1 and positioned at the isolation part 2 of heat exchanger lower part, heat exchanging part 1 includes being used for the refrigerant heat exchange that heat exchanging part 1 is flowed through for refrigerant
Pipe 3, isolation part 2 are used for the cold produced in the bottom of heat exchanger isolation heat exchanging part 1.
The heat exchanger includes heat exchanging part 1 and isolation part 2, and wherein isolation part 2 is located at the lower section of heat exchanging part 1, can be in heat exchanger
Temperature isolation region is formed on bottom so that heat exchanger when condensation flow is through temperature isolation region, will not continue to when being freezed
Cold is absorbed, avoids the problem that exchanger base cold gathers, during condensation flow is through isolation part 2, due to isolation part 2
Temperature influenced by heat exchanging part 1 smaller, therefore will not continue to make condensed water cool down, avoid or reduce condensed water in isolation part 2
Icing or frosting so that condensed water can be discharged smoothly from heat exchanger, will not be increased the icing amount of exchanger base, be avoided
Exchanger base frost layer or ice sheet the problem of increasingly thickness causes to be not easy defrost during long-time service heat exchanger.
When carrying out defrost, since the temperature of isolation part 2 is higher, heat exchanger surface produce condensed water flow through every
Will not produce reducing temperature twice during from portion 2, and the higher temperature of isolation part 2 can also effectively avoid condensed water flow through every
Frosting or icing again during from portion 2, ensures the defrost efficiency of heat exchanger.Since the defrost efficiency of isolation part 2 is higher,
Therefore when the tube temperature of heat exchanger, which reaches, exits defrost temperature, the frost layer or ice sheet of isolation part 2 also can validation do so that
Heat exchanger integrally can abundant defrost, improve the defrost efficiency of the heat exchanging part 1 of heat exchanger, reduce the defrost time of heat exchanger, protect
It is clean to demonstrate,prove heat exchanger defrosting, improves the heat exchange property of heat exchanger.
Preferably, the import of refrigerant heat exchanger tube 3 is located at the top of heat exchanging part 1, and the outlet of refrigerant heat exchanger tube 3 is located at heat exchanging part
1 bottom.Under refrigerating state, when import of the refrigerant first through the top of heat exchanging part 1 enters refrigerant heat exchanger tube 3, it is now placed in
The refrigerant temperature of the import of refrigerant heat exchanger tube is less than the refrigerant temperature positioned at the outlet of refrigerant heat exchanger tube 3, namely the top of heat exchanging part 1
Temperature be less than the temperature of bottom, therefore even if producing condensed water, be also not easy to carry out frosting or knot in the bottom of heat exchanging part 1
Ice, is conducive to avoid frosting or the generation of icing phenomenon.
Preferably, the outlet of refrigerant heat exchanger tube 3 is located at heat exchanging part positioned at the top of heat exchanging part 1, the import of refrigerant heat exchanger tube 3
1 bottom.Under refrigerating state, when refrigerant is from bottom to top flowed along refrigerant heat exchanger tube 3, the bottom temp of heat exchanging part 1 compared with
Low, head temperature is higher, and during heat exchange, since refrigerant is from bottom to top to flow, the refrigerant of heat exchange gasification can
More smooth flows to the top of heat exchanging part 1, is more conducive to the discharge of gaseous coolant so that liquid refrigerants can more fill
Divide ground heat exchange, improve the heat exchange efficiency of refrigerant.
Preferably, the surface of isolation part 2 is coated with thermal insulation layer, the process that can be flowed in condensed water along heat exchanger surface
In, formed on the surface of isolation part 2 heat-insulated so that condensed water will not be influenced be subject to the temperature of isolation part 2, can be more efficiently
Condensed water is avoided, there is a phenomenon where freezing or coagulating frost, to avoid exchanger base from producing frost layer during isolation part 2 is flowed through
Blocked up the problem of being not easy defrost.
Preferably, isolation part 2 includes an at least vacant heat exchanger tube 4, and vacant heat exchanger tube 4 and the refrigerant of heat exchanging part 1 exchange heat
Pipe 3 is separate.In the present embodiment, isolation part still retains heat exchanger tube, but is not passed through refrigerant in the heat exchanger tube, vacant to make
With, equivalent to heat exchanging device bottom carried out pumping pipe processing, improve heat exchanger bottom heat exchange height, avoid bottom temp mistake
It is low and the problem of cause frost layer blocked up.Such a structure can be transformed based on existing heat exchanger so that exchanger base every
From the heat exchanger tube individualism in portion 2, do not formed and connected with the heat exchanger tube in heat exchanging part 1, heat exchanging device bottom does not exchange heat,
Reforming technology is simple, and improvement cost is low, and applicability is good.Vacant heat exchanger tube is retained in original position, fin can also have been played
The supporting role of effect, prevents fin reviewing phenomenon.
In the present embodiment, isolation part 2 includes two vacant heat exchanger tubes 4, and the first end of two vacant heat exchanger tubes 4 passes through U
Type pipe connects.In general, existing heat exchanger, heat exchanger tube are arranged in pairs, head and the tail connection is then carried out by U-tube,
Ultimately form the refrigerant flow pipe by whole heat exchanger.Therefore, when needing heat exchanging device bottom to carry out pumping pipe processing,
Correspondingly need to make two paired heat exchanger tubes vacant, without heat exchange.
Preferably, the second end of two vacant heat exchanger tubes 4 is provided with plug.Consequently, it is possible to the both ends of vacant heat exchanger tube 4 are equal
Blocked, can choose whether to enable vacant heat exchanger tube 4 as needed so that the use of heat exchanger is more flexible.
The quantity for the vacant heat exchanger tube 4 that isolation part 2 is included should not be excessive, when quantity is excessive, may result in heat exchanger
Heat exchange area it is too small, exchange capability of heat deficiency, seriously affects the heat exchange property of heat exchanger.
Preferably, isolation part 2 can also include vacant heat exchange pore, herein take out heat exchanger tube from heat exchange pore completely
Go out, can more save cost.
Embodiment according to the present utility model, dehumidifier include heat exchanger, which is above-mentioned heat exchanger.
In dehumidifier, heat exchanger is used generally as evaporator.The use environment of dehumidifier is usually compared with high humidity
The environment of degree, the operation principle of dehumidifier is the refrigerant to throttle evaporation endothermic on an evaporator, makes evaporator surface temperature compared with ring
Border air dew point temperature is also much lower, and humid air produces condensed water by evaporator, so as to reach the effect of dehumidifying.
Substantial amounts of condensed water is produced when dehumidifier works, will when evaporating temperature of the refrigerant in evaporator is less than 0 DEG C
The phenomenon of frosting can be produced.Because condensed water is flowed along gravity direction, cause the nethermost U-tube frosting of evaporator more,
It can even make to freeze on the drip tray of exchanger base.
When evaporator defrost, gravity factor is also due to, it is nethermost U-shaped that the frozen water of defrost will flow through evaporator
Pipe, poor because exchanging heat during defrost in the serious place of original frosting, when tube temperature, which reaches, exits defrost temperature, evaporator is most lower
The also failing to of U-tube frost in face is clean, and the nethermost U-tube frost layer of long-time service evaporator can be increasing, influences dehumidifier
Performance.
The utility model is clean in order to make dehumidifier defrost, carries out pumping pipe to evaporator lower end, realizes that defrost is clean, play
Put forward high performance effect.It is bottom to evaporator to take out U-tube, last single u-shaped pipe of evaporator is up carried, evaporator and water receiving
The face frosting of disk contact, the phenomenon to freeze would become hard to occur.After last single u-shaped pipe of evaporator up carries, condensation flow is to connecing
During water pond from low-temperature receiver farther out, freeze, frosting would become hard to produce, even if there is frosting also will to be relatively thin frost layer, thus can be effective
Solve the problems, such as that evaporator defrost is sordid, improve the performance of dehumidifier.
When the water velocity of drip tray is slower, it is easier to make flowing water resistance bigger in evaporimeter frosting so that drip tray
Produce frosting even to freeze, influence the defrost of dehumidifier.Therefore the gradient of drip tray is increased as far as possible when drip tray designs,
So condensation flow can quickly flow away to during drip tray, so that frosting is more difficult on the contact surface of evaporator and drip tray, together
When also improve the effect of defrost.
Preferably, drip tray is provided with below heat exchanger, along the direction away from exchanger base, drip tray is tried to get to the heart of a matter
Highly successively decrease.
Preferably, drip tray is provided with below heat exchanger, drip tray is obliquely installed, the acclivitous part of drip tray
The bottom of corresponding heat exchanger is set.
Above-mentioned two ways, can make close evaporator, or fast with the condensed water at evaporator contact position
Speed flows away, so as to be effectively prevented from drip tray frosting, either icing reduces frosting or the icing phenomenon of exchanger base, improves
The heat exchange property of evaporator, improves the working performance of dehumidifier.Certainly, the set-up mode of drip tray can also be other modes,
As long as it can ensure close to or can quickly flow away with the condensed water in the drip tray of evaporator contact position.
Embodiment according to the present utility model, refrigeration plant include heat exchanger, which is above-mentioned heat exchanger.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (12)
- A kind of 1. heat exchanger, it is characterised in that including the heat exchanging part (1) positioned at heat exchanger top and positioned at heat exchanger lower part every From portion (2), the refrigerant heat exchanger tube (3) for flowing through the heat exchanging part (1) for refrigerant is provided with the heat exchanging part (1), it is described Isolation part (2) is used for the cold produced in the bottom of heat exchanger isolation heat exchanging part (1).
- 2. heat exchanger according to claim 1, it is characterised in that the import of the refrigerant heat exchanger tube (3) is changed positioned at described The top of hot portion (1), the outlet of the refrigerant heat exchanger tube (3) are located at the bottom of the heat exchanging part (1).
- 3. heat exchanger according to claim 1, it is characterised in that the outlet of the refrigerant heat exchanger tube (3) is changed positioned at described The top of hot portion (1), the import of the refrigerant heat exchanger tube (3) are located at the bottom of the heat exchanging part (1).
- 4. heat exchanger according to claim 1, it is characterised in that the surface of the isolation part (2) is coated with thermal insulation layer.
- 5. heat exchanger according to any one of claim 1 to 4, it is characterised in that the isolation part (2) includes at least one The vacant heat exchanger tube of root (4), the vacant heat exchanger tube (4) and the refrigerant heat exchanger tube (3) of the heat exchanging part (1) are separate.
- 6. heat exchanger according to claim 5, it is characterised in that the isolation part (2) includes two vacant heat exchanger tubes (4), the first end of described two vacant heat exchanger tubes (4) is connected by U-tube.
- 7. heat exchanger according to claim 6, it is characterised in that the second end of two vacant heat exchanger tubes (4) is set There is plug.
- 8. heat exchanger according to any one of claim 1 to 4, it is characterised in that the isolation part (2) includes at least one A vacant heat exchange pore.
- 9. a kind of dehumidifier, including heat exchanger, it is characterised in that the heat exchanger is described in any item of the claim 1 to 8 Heat exchanger.
- 10. dehumidifier according to claim 9, it is characterised in that drip tray is provided with below the heat exchanger, along Direction away from the exchanger base, the height of trying to get to the heart of a matter of the drip tray are successively decreased.
- 11. dehumidifier according to claim 9, it is characterised in that drip tray is provided with below the heat exchanger, it is described Drip tray is obliquely installed, and the acclivitous part of the drip tray corresponds to the bottom setting of the heat exchanger.
- 12. a kind of refrigeration plant, including heat exchanger, it is characterised in that the heat exchanger is any one of claim 1 to 8 institute The heat exchanger stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721159339.1U CN207231001U (en) | 2017-09-08 | 2017-09-08 | Heat exchanger, dehumidifier and refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721159339.1U CN207231001U (en) | 2017-09-08 | 2017-09-08 | Heat exchanger, dehumidifier and refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231001U true CN207231001U (en) | 2018-04-13 |
Family
ID=61861537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721159339.1U Active CN207231001U (en) | 2017-09-08 | 2017-09-08 | Heat exchanger, dehumidifier and refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560239A (en) * | 2017-09-08 | 2018-01-09 | 珠海格力电器股份有限公司 | Heat exchanger, dehumidifier and refrigeration plant |
| CN110006158A (en) * | 2019-03-05 | 2019-07-12 | 青岛海尔空调电子有限公司 | Air outlet device for air conditioner and air conditioner |
-
2017
- 2017-09-08 CN CN201721159339.1U patent/CN207231001U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560239A (en) * | 2017-09-08 | 2018-01-09 | 珠海格力电器股份有限公司 | Heat exchanger, dehumidifier and refrigeration plant |
| CN110006158A (en) * | 2019-03-05 | 2019-07-12 | 青岛海尔空调电子有限公司 | Air outlet device for air conditioner and air conditioner |
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