CN104697248B - For the heat exchanger of Teat pump boiler and the Teat pump boiler with it - Google Patents
For the heat exchanger of Teat pump boiler and the Teat pump boiler with it Download PDFInfo
- Publication number
- CN104697248B CN104697248B CN201510138039.4A CN201510138039A CN104697248B CN 104697248 B CN104697248 B CN 104697248B CN 201510138039 A CN201510138039 A CN 201510138039A CN 104697248 B CN104697248 B CN 104697248B
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- Prior art keywords
- pressure working
- low pressure
- working fluid
- outer tube
- heat exchanger
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of heat exchanger for Teat pump boiler and the Teat pump boiler with it, the heat exchanger for Teat pump boiler includes：High-pressure working medium passage is defined in inner tube, said inner tube, said inner tube is provided with the high-pressure working medium import connected with the high-pressure working medium passage and high-pressure working medium outlet；Air cooling outer tube, the air cooling outer tube is set in said inner tube and exhalant canal is limited between said inner tube, and the air cooling outer tube is provided with the water inlet and delivery port connected with the aquaporin；Backheat outer tube, the backheat outer tube is set in said inner tube and low pressure working fluid passage is limited between said inner tube, and the backheat outer tube is provided with the low pressure working fluid import connected with the low pressure working fluid passage and low pressure working fluid outlet.Heat exchanger for Teat pump boiler according to embodiments of the present invention is integrated with air cooler and heat regenerator function, and occupies little space, and can simplify the design of Teat pump boiler, reduce the risk of leakage of Teat pump boiler.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, it is used for CO 2 trans-critical heat pump heat in particular to one kind
The heat exchanger of hydrophone and the trans-critical carbon dioxide heat pump water heater with it.
Background technology
Carbon dioxide heat pump water heater is obtained due to environmentally friendly and stronger hot water preparing ability relative to conventional heat pump water heater
To being more widely applied.But it is relatively low that the efficiency of CO 2 trans-critical heat pump system compares conventional coolant system, it is therefore desirable to
Regenerator is set up in CO 2 trans-critical heat pump system, regenerator is connected with compressor, evaporator and air cooler respectively, returned
The setting of hot device not only occupies additional space, adds design difficulty, and because the tie point of system increases, causes to let out
Leak out dangerous rise.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem in correlation technique to a certain extent.Therefore, this hair
A kind of heat exchanger for Teat pump boiler of bright proposition, the heat exchanger for being used for Teat pump boiler is integrated with air cooler and regenerator
Function, and occupy little space, the design of Teat pump boiler can be simplified, the risk of leakage of Teat pump boiler is reduced.
The present invention also proposes a kind of Teat pump boiler with the heat exchanger for Teat pump boiler.
To achieve the above object, embodiment according to the first aspect of the invention proposes a kind of changing for Teat pump boiler
Hot device, the heat exchanger for Teat pump boiler includes：High-pressure working medium passage is defined in inner tube, said inner tube, it is described interior
Pipe is provided with the high-pressure working medium import connected with the high-pressure working medium passage and high-pressure working medium outlet；Air cooling outer tube, the air cooling
Outer tube is set in said inner tube and exhalant canal is limited between said inner tube, and the air cooling outer tube is provided with logical with the water
The water inlet and delivery port of road connection；Backheat outer tube, the backheat outer tube is set in said inner tube and between said inner tube
Limit low pressure working fluid passage, the backheat outer tube is provided with the low pressure working fluid import that is connected with the low pressure working fluid passage and low
Press sender property outlet.
Heat exchanger for Teat pump boiler according to embodiments of the present invention is integrated with air cooler and heat regenerator function, and accounts for
It is small with space, the design of Teat pump boiler can be simplified, the risk of leakage of Teat pump boiler is reduced.
In addition, the heat exchanger according to the above embodiment of the present invention for Teat pump boiler can also have what is added as follows
Technical characteristic：
According to one embodiment of present invention, the air cooling outer tube and the backheat outer tube are made up of an integral tube, institute
State aquaporin and the low pressure working fluid passage is separated by the dividing plate being located between the integral tube and said inner tube.
According to one embodiment of present invention, the both ends open of said inner tube with formed respectively the high-pressure working medium import and
The high-pressure working medium outlet.
According to one embodiment of present invention, closed between the two ends of the air cooling outer tube and said inner tube, the water inlet
Mouth and the delivery port are located on the perisporium of the air cooling outer tube.
According to one embodiment of present invention, closed between the two ends of the backheat outer tube and said inner tube, the low pressure
Working medium import and low pressure working fluid outlet are located on the perisporium of the backheat outer tube.
According to one embodiment of present invention, the water inlet, the delivery port, the low pressure working fluid import and described low
Sender property outlet is pressed towards same direction.
According to one embodiment of present invention, the water inlet relative to the delivery port more adjacent to the high-pressure working medium
Outlet is set, and the delivery port is more set relative to the water inlet adjacent to the high-pressure working medium import.
According to one embodiment of present invention, the low pressure working fluid import exports more neighbouring relative to the low pressure working fluid
The high-pressure working medium outlet is set, and the low pressure working fluid outlet is relative to the low pressure working fluid import more adjacent to the high pressure work
Matter import is set.
According to one embodiment of present invention, the air cooling outer tube be provided with the water inlet pipe that is connected with the water inlet and with
The outlet pipe of the delivery port connection；The backheat outer tube is provided with the low pressure working fluid inlet pipe with the low pressure working fluid inlet communication
With the low pressure working fluid outlet pipe with the low pressure working fluid outlet.
Embodiment according to the second aspect of the invention proposes a kind of Teat pump boiler, and the Teat pump boiler includes：Change
Hot device, the heat exchanger is the heat exchanger for Teat pump boiler according to the embodiment of the first aspect of the present invention；Pressure
Contracting machine, outlet and the high-pressure working medium inlet communication of the heat exchanger of the compressor, the import of the compressor with it is described low
Press sender property outlet connection；Evaporator, the outlet of the evaporator and the low pressure working fluid inlet communication of the heat exchanger, the evaporation
The import of device and the high-pressure working medium outlet of the heat exchanger.
Teat pump boiler according to embodiments of the present invention has compact conformation, the low advantage of convenient for production, risk of leakage.
Brief description of the drawings
Fig. 1 is the structural representation of Teat pump boiler according to embodiments of the present invention.
Fig. 2 is the structural representation of the heat exchanger for Teat pump boiler according to embodiments of the present invention.
Reference：Teat pump boiler 1, heat exchanger 10, compressor 20, the import 21 of compressor 20, compressor 20 go out
Mouth 22, evaporator 30, the import 31 of evaporator 30, the outlet 32 of evaporator, inner tube 100, high-pressure working medium passage 110, high pressure work
Matter import 120, high-pressure working medium outlet 130, air cooling outer tube 200, aquaporin 210, water inlet 220, delivery port 230, backheat outer tube
300th, low pressure working fluid passage 310, low pressure working fluid import 320, low pressure working fluid outlet 330, dividing plate 400, water inlet pipe 500, outlet pipe
600th, low pressure working fluid inlet pipe 700, low pressure working fluid outlet pipe 800.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings Teat pump boiler 1 according to embodiments of the present invention is described.
As shown in figure 1, Teat pump boiler 1 according to embodiments of the present invention includes heat exchanger 10, compressor 20 and evaporator
30。
First, heat exchanger 10 according to embodiments of the present invention is described with reference to the drawings.
As shown in Fig. 2 heat exchanger 10 according to embodiments of the present invention includes inner tube 100, air cooling outer tube 200 and backheat outer tube
300。
High-pressure working medium passage 110 is defined in inner tube 100, inner tube 100 is provided with the height connected with high-pressure working medium passage 110
Press working medium import 120 and high-pressure working medium outlet 130.Air cooling outer tube 200 is set in inner tube 100, and air cooling outer tube 200 and inner tube
Exhalant canal 210 is limited between 100, air cooling outer tube 200 is provided with the water inlet 220 and delivery port connected with aquaporin 210
230.Backheat outer tube 300 is set in inner tube 100, and low pressure working fluid passage is limited between backheat outer tube 300 and inner tube 100
310, backheat outer tube 300 is provided with the low pressure working fluid import 320 connected with low pressure working fluid passage 310 and low pressure working fluid outlet 330.
In Teat pump boiler 1 according to embodiments of the present invention, the outlet 22 of compressor 20 and the high pressure work of heat exchanger 10
Matter import 120 is connected, and the import 21 of compressor 20 is connected with the low pressure working fluid outlet 330 of heat exchanger 10.The outlet 32 of evaporator
Connected with the low pressure working fluid import 320 of heat exchanger 10, the import 31 of evaporator 30 connects with the high-pressure working medium outlet 130 of heat exchanger 10
It is logical.
The course of work of heat exchanger 10 according to embodiments of the present invention is described below.The high-pressure working medium come out from compressor 20
Flow in the inner tube 100, the low pressure working fluid come out from evaporator 30 flowed between backheat outer tube 300 and inner tube 100 and with it is interior
High-pressure working medium heat exchange in pipe 100, forms backheat section.And between air cooling outer tube 200 and inner tube 100 formed water route with inner tube
High-pressure working medium heat exchange in 100, forms air cooling section.It is achieved in regenerator and air cooler function.
Heat exchanger 10 according to embodiments of the present invention, by being arranged air cooling outer tube 200 and backheat outer tube outside inner tube 100
300, it is possible to use inner tube 100, air cooling outer tube 200 and backheat outer tube 300 limit high-pressure working medium passage 110, the and of aquaporin 210
Low pressure working fluid passage 310, and air cooling outer tube 200 and backheat outer tube 300 share inner tube 100, so as to by regenerator and air cooling
Device becomes one.Thus, on the one hand make the structure of Teat pump boiler 1 compacter, another aspect pipeline beneficial to space is saved
Specification is unified, reduces the design iterations of part, and then simplifies design, and another further aspect eliminates regenerator and air cooler
Between connecting line, the tie point of system can be so reduced, so as to reduce the leakage point of system.Therefore, according to the present invention
The heat exchanger 10 for Teat pump boiler of embodiment is integrated with air cooler and heat regenerator function, and occupies little space, Neng Goujian
Change the design of Teat pump boiler, reduce the risk of leakage of Teat pump boiler.
Teat pump boiler 1 according to embodiments of the present invention, by using heat exchanger 10 according to the above embodiment of the present invention,
With compact conformation, the low advantage of convenient for production, risk of leakage.
Other of Teat pump boiler 1 according to embodiments of the present invention are constituted and operated for those of ordinary skill in the art
For be all known, be not detailed herein.
Below with reference to the accompanying drawings the heat exchanger 10 for Teat pump boiler according to the specific embodiment of the invention is described.
In some specific implementations of the present invention, as shown in Fig. 2 heat exchanger 10 according to embodiments of the present invention includes inner tube
100th, air cooling outer tube 200 and backheat outer tube 300.
Wherein, in order to it is further simplify heat exchanger 10 structure and further reduce leakage point, air cooling outer tube 200 and return
Hot outer tube 300 is made up of an integral tube, and aquaporin 210 and low pressure working fluid passage 310 are by being located at the integral tube and inner tube 100
Between dividing plate 400 be separated.In other words, inner tube 100 is outer is only arranged an outer tube, the space between outer tube and inner tube 100
Separated by dividing plate 400, to form shared inner tube 100 and separate aquaporin 210 and low pressure working fluid passage 310.
It will be appreciated by those skilled in the art that ground is, heat exchanger 10 according to embodiments of the present invention can be straight tube knot
The heat exchanger 10 of straight tube structure is illustrate only in the structure of structure, coil arrangement or other forms, accompanying drawing.
Advantageously, as shown in Fig. 2 air cooling outer tube 200 is provided with the water inlet pipe 500 connected with water inlet 220 and and water outlet
The outlet pipes 600 of the connection of mouth 230.Backheat outer tube 300 is provided with the low pressure working fluid inlet pipe 700 connected with low pressure working fluid import 320
The 330 low pressure working fluid outlet pipes 800 connected are exported with low pressure working fluid.It is possible thereby to facilitate heat exchanger 10 in Teat pump boiler 1
Connection, and can improve connection after sealing.
In some specific examples of the present invention, as shown in Fig. 2 the both ends open of inner tube 100 to form high pressure work respectively
Matter import 120 and high-pressure working medium outlet 130.Closed between the two ends of air cooling outer tube 200 and inner tube 100, water inlet 220 and water outlet
Mouth 230 is located on the perisporium of air cooling outer tube 200.Closed between the two ends of backheat outer tube 300 and inner tube 100, low pressure working fluid import
320 and low pressure working fluid outlet 330 be located on the perisporium of backheat outer tube 300.
Further, as shown in Fig. 2 water inlet 220, delivery port 230, low pressure working fluid import 320 and low pressure working fluid outlet
330 towards same direction.That is, water inlet 220, delivery port 230, low pressure working fluid import 320 and low pressure working fluid outlet 330
Arrange and be oppositely arranged in the circumference of heat exchanger 10 along the axial direction of heat exchanger 10.Water inlet pipe 500, outlet pipe can so be made
600th, low pressure working fluid inlet pipe 700 and low pressure working fluid outlet pipe 800 extend towards outside same one side, so as to further facilitate heat exchange
Device 10 is linked and packed.
In some specific embodiments of the present invention, as shown in Fig. 2 water inlet 220 is more neighbouring relative to delivery port 230
High-pressure working medium outlet 130 is set, and delivery port 230 is more set relative to water inlet 220 adjacent to high-pressure working medium import 120.That is gas
Cold section of water inlet 220 and delivery port 230 is located at " downstream " and " upstream " that high-pressure working medium flows respectively.
Low pressure working fluid import 320 is more set relative to low pressure working fluid outlet 330 adjacent to high-pressure working medium outlet 130, low pressure
Sender property outlet 330 is more set relative to low pressure working fluid import 320 adjacent to high-pressure working medium import 120.The low pressure working fluid of backheat section
Import 320 and low pressure working fluid outlet 330 are to be located at high-pressure working medium flowing " downstream " and " upstream " respectively.
It is possible thereby to make the flow direction of low pressure working fluid that participation exchanges heat and water respectively with the flow direction of high-pressure working medium on the contrary, so as to increase
The heat transfer effect of strong heat exchanger 10.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Not be the same as Example or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (6)
1. a kind of heat exchanger for Teat pump boiler, it is characterised in that including：
High-pressure working medium passage is defined in inner tube, said inner tube, said inner tube is provided with what is connected with the high-pressure working medium passage
High-pressure working medium import and high-pressure working medium outlet；
Air cooling outer tube, the air cooling outer tube is set in said inner tube and exhalant canal is limited between said inner tube, the gas
Cold outer tube is provided with the water inlet and delivery port connected with the aquaporin；
Backheat outer tube, the backheat outer tube is set in said inner tube and low pressure working fluid passage is limited between said inner tube,
The backheat outer tube is provided with the low pressure working fluid import connected with the low pressure working fluid passage and low pressure working fluid outlet,
The air cooling outer tube and the backheat outer tube are made up of an integral tube, the aquaporin and the low pressure working fluid passage by
The dividing plate being located between the integral tube and said inner tube is separated,
Closed between the two ends of the air cooling outer tube and said inner tube, the water inlet and the delivery port are located at outside the air cooling
On the perisporium of pipe,
Closed between the two ends of the backheat outer tube and said inner tube, the low pressure working fluid import and low pressure working fluid outlet are set
On the perisporium of the backheat outer tube,
The water inlet, the delivery port, the low pressure working fluid import and the low pressure working fluid are exported towards same direction.
2. the heat exchanger according to claim 1 for Teat pump boiler, it is characterised in that the both ends open of said inner tube
To form the high-pressure working medium import and high-pressure working medium outlet respectively.
3. the heat exchanger according to claim 1 for Teat pump boiler, it is characterised in that the water inlet is relative to institute
State delivery port and more export setting adjacent to the high-pressure working medium, the delivery port is relative to the water inlet more adjacent to the height
Working medium import is pressed to set.
4. the heat exchanger according to claim 1 for Teat pump boiler, it is characterised in that the low pressure working fluid import phase
More export and set adjacent to the high-pressure working medium for low pressure working fluid outlet, the low pressure working fluid outlet is low relative to described
Working medium import is pressed more to be set adjacent to the high-pressure working medium import.
5. the heat exchanger according to claim 1 for Teat pump boiler, it is characterised in that the air cooling outer tube is provided with
The water inlet pipe connected with the water inlet and the outlet pipe connected with the delivery port；
The backheat outer tube is provided with the low pressure working fluid inlet pipe of the low pressure working fluid inlet communication and gone out with the low pressure working fluid
The low pressure working fluid outlet pipe of mouth connection.
6. a kind of Teat pump boiler, it is characterised in that including：
Heat exchanger, the heat exchanger is the heat exchanger for Teat pump boiler according to any one of claim 1-5；
Compressor, outlet and the high-pressure working medium inlet communication of the heat exchanger of the compressor, the import of the compressor with
The low pressure working fluid outlet；
Evaporator, outlet and the low pressure working fluid inlet communication of the heat exchanger of the evaporator, the import of the evaporator with
The high-pressure working medium outlet of the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138039.4A CN104697248B (en) | 2015-03-26 | 2015-03-26 | For the heat exchanger of Teat pump boiler and the Teat pump boiler with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138039.4A CN104697248B (en) | 2015-03-26 | 2015-03-26 | For the heat exchanger of Teat pump boiler and the Teat pump boiler with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104697248A CN104697248A (en) | 2015-06-10 |
| CN104697248B true CN104697248B (en) | 2017-07-28 |
Family
ID=53344630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510138039.4A Active CN104697248B (en) | 2015-03-26 | 2015-03-26 | For the heat exchanger of Teat pump boiler and the Teat pump boiler with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104697248B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896974A (en) * | 2015-05-26 | 2015-09-09 | 广东美的暖通设备有限公司 | Transcritical CO<2> heat pump one-piece heat exchanger, water tank and water heating all-in-one machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05180586A (en) * | 1991-12-28 | 1993-07-23 | Mitsubishi Heavy Ind Ltd | Double tube heat exchanger |
| JP3018009B2 (en) * | 1993-08-12 | 2000-03-13 | 株式会社テイエルブイ | Vacuum heat treatment equipment |
| JP2002318015A (en) * | 2001-04-17 | 2002-10-31 | Orion Mach Co Ltd | Freezer |
| EP1512924A3 (en) * | 2003-09-05 | 2011-01-26 | LG Electronics, Inc. | Air conditioner comprising heat exchanger and means for switching cooling cycle |
| CN2715085Y (en) * | 2004-06-02 | 2005-08-03 | 黄忠勇 | Variable-temperature condenser |
| CN2861894Y (en) * | 2005-11-30 | 2007-01-24 | 东莞市广大制冷有限公司 | Sleeve tubular heat exchanger for air conditioning system |
| US20100230082A1 (en) * | 2009-03-13 | 2010-09-16 | Chhotu Patel | In-line heat-exchanger and method of forming same |
| CN204535209U (en) * | 2015-03-26 | 2015-08-05 | 广东美的暖通设备有限公司 | For Teat pump boiler heat exchanger and there is its Teat pump boiler |
-
2015
- 2015-03-26 CN CN201510138039.4A patent/CN104697248B/en active Active
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| CN104697248A (en) | 2015-06-10 |
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