CN110793355A - Heat exchange device and heat exchange system for meeting requirements of domestic hot water and heating - Google Patents
Heat exchange device and heat exchange system for meeting requirements of domestic hot water and heating Download PDFInfo
- Publication number
- CN110793355A CN110793355A CN201911102750.9A CN201911102750A CN110793355A CN 110793355 A CN110793355 A CN 110793355A CN 201911102750 A CN201911102750 A CN 201911102750A CN 110793355 A CN110793355 A CN 110793355A
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- China
- Prior art keywords
- heat exchange
- heat
- inner container
- exchange device
- hot water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The invention provides a heat exchange device and a heat exchange system meeting the requirements of domestic hot water and heating. The heat exchange device comprises a shell, an inner container and a heat exchanger, wherein the inner container is arranged inside the shell and forms a heat exchange space with the inner surface of the shell. According to the heat exchange device and the heat exchange system meeting the requirements of domestic hot water and heating, the domestic hot water inner container and the heating pipeline are integrated into the shell, two functions of domestic hot water and heating are met, the purpose of reducing the overall occupied space of the device is achieved, the heat exchanger directly contacts with a medium in a heat exchange space for heat exchange, the heat exchange effect of the heat exchanger is improved, the conversion rate of the energy consumption of the device is close to 100%, the actual energy efficiency of the operation of the device is improved, the use cost is saved, the medium after heat exchange in the heat exchange space can wrap the domestic hot water in the inner container, the generation amount of the hot water in the inner container is increased, and the heating energy efficiency and the convenience of the device are improved.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchange device and a heat exchange system meeting the requirements of domestic hot water and heating.
Background
The existing air conditioning unit generally adopts a three-way valve to control the domestic hot water device and the heating device to be switched and communicated, two functions of domestic hot water heating and heating cannot be simultaneously realized, the space occupied by the domestic hot water device and the heating device is too large, the pipeline design is complex, the installation space is seriously occupied, and the usability of customers is influenced.
Disclosure of Invention
In order to solve the technical problems that domestic hot water and heating cannot be simultaneously prepared and the occupied space is overlarge in the prior art, the heat exchange device and the heat exchange system which are compact in structure and can meet the requirements of domestic hot water and heating by combining the domestic hot water and the heating circulation into a whole are provided.
A heat exchange device comprises a shell, an inner container and a heat exchanger, wherein the inner container is arranged inside the shell, a heat exchange space is formed by the inner surface of the shell, the heat exchanger is arranged in the heat exchange space, and the heat exchanger is in contact heat exchange with the outer surface of the inner container.
The heat exchanger includes heat exchange tube and fin, the heat exchange tube with the surface butt setting of inner bag, and adjacent two all be provided with the fin between the heat exchange tube.
The fins are abutted to the outer surface of the inner container.
The fins are arranged between the two heat exchange tubes in a continuous V shape, and the vertex of the V shape is in contact with the corresponding heat exchange tube.
The heat exchange tube is a flat tube, the flat tube is provided with a first side face in the thickness direction and a second side face in the width direction, the first side face is abutted to the outer surface of the inner container, and the fins are abutted to the second side face.
The heat exchanger further comprises a liquid inlet pipe and a liquid outlet pipe, wherein the first ends of the heat exchange pipes are communicated with the liquid inlet pipe, and the second ends of the heat exchange pipes are communicated with the liquid outlet pipe.
At least one flow channel is arranged inside the flat tube, one end of each flow channel is communicated with the liquid inlet tube, and the other end of each flow channel is communicated with the liquid outlet tube.
All the flow channels are arranged in the flat tubes in parallel along the width direction of the flat tubes.
The heat exchanger is made of aluminum or aluminum material.
The heat exchanger is coated or semi-coated on the outer surface of the inner container.
The section of the inner container is circular, and the section of the heat exchanger is annularly or semi-annularly arranged on the outer surface of the inner container.
The domestic hot water heat exchange device is characterized in that a first inlet, a domestic hot water outlet, a second inlet, a heat supply outlet, a refrigerant inlet and a refrigerant outlet are formed in the shell, the first inlet and the domestic hot water outlet are communicated with the inner container to form a domestic hot water heat exchange cycle, the second inlet and the heat supply outlet are communicated with the heat exchange space to form a heat supply cycle, and the refrigerant inlet and the refrigerant outlet are communicated with the heat exchanger to form a refrigerant heat exchange cycle.
The first inlet and the domestic hot water outlet are arranged on the end face of the shell, and the second inlet, the heat supply outlet, the refrigerant inlet and the refrigerant outlet are arranged on the peripheral side face of the shell.
The heat supply circulation further comprises a heat supply tail end, and the heat supply tail end, the second inlet, the heat exchange space and the heat supply outlet are sequentially communicated to form the heat supply circulation.
The heating terminal comprises a fan coil and/or a floor heater.
The medium in the inner container is the same as the medium in the heat exchange space.
A heat exchange system comprises the heat exchange device.
The outdoor unit is communicated with the heat exchanger to form a refrigerant heat exchange cycle.
According to the heat exchange device and the heat exchange system meeting the requirements of domestic hot water and heating, the domestic hot water inner container and the heating pipeline are integrated into the shell, two functions of domestic hot water and heating are met, the purpose of reducing the overall occupied space of the device is achieved, the heat exchanger directly contacts with a medium in a heat exchange space for heat exchange, the heat exchange effect of the heat exchanger is improved, the conversion rate of the energy consumption of the device is close to 100%, the actual energy efficiency of the operation of the device is improved, the use cost is saved, the medium after heat exchange in the heat exchange space can wrap the domestic hot water in the inner container, the generation amount of the hot water in the inner container is increased, and the heating energy efficiency and the convenience of the device are improved.
Drawings
FIG. 1 is a schematic structural diagram of a heat exchanger and a heat exchanger system according to an embodiment of the present invention for meeting domestic hot water and heating requirements;
FIG. 2 is a schematic structural diagram of a heat exchanger of an embodiment of a heat exchange device and a heat exchange system for meeting domestic hot water and heating requirements, provided by the invention;
FIG. 3 is a schematic partial cross-sectional view of a heat exchanger of an embodiment of a heat exchange device and a heat exchange system for meeting domestic hot water and heating requirements according to the present invention;
in the figure:
1. a housing; 2. an inner container; 3. a heat exchanger; 4. a heat exchange space; 31. a heat exchange pipe; 32. a fin; 311. a first side surface; 312. a second side surface; 313. a flow channel; 11. a first inlet; 12. a domestic hot water outlet; 13. a second inlet; 14. a heat supply outlet; 15. a refrigerant inlet; 16. a refrigerant outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The heat exchange device shown in fig. 1 to 3 comprises a shell 1, a liner 2 and a heat exchanger 3, wherein the liner 2 is arranged inside the shell 1, and forms a heat exchange space 4 with the inner surface of the shell 1, the heat exchanger 3 is arranged in the heat exchange space 4, and the heat exchanger 3 is in contact heat exchange with the outer surface of the liner 2, so that the liner 2 for preparing domestic hot water and the heat exchange space 4 for supplying heat are integrated inside one shell 1, the overall occupied space of the device is reduced on the premise of meeting two functions of domestic hot water and heating, and the problem that a domestic hot water pipeline and a heating pipeline need to be arranged independently in the prior art is overcome, the complexity of the pipeline structure of the device is effectively reduced, and the installation cost and the installation complexity are reduced.
The heat exchanger 3 comprises heat exchange tubes 31 and fins 32, the heat exchange tubes 31 are abutted to the outer surface of the inner container 2, the fins 32 are arranged between every two adjacent heat exchange tubes 31, and the heat exchange area of the heat exchange tubes 31 is increased by the fins 32, so that the contact area between the heat exchanger 3 and a medium in the heat exchange space 4 is increased, and the heat exchange efficiency of the heat exchanger 3 is increased.
The fins 32 are abutted to the outer surface of the inner container 2, so that the fins 32 can contact with the inner container 2 for heat exchange, and the heat exchange efficiency of the heat exchanger 3 to the inner container 2 is increased.
The fins 32 are arranged between the two heat exchange tubes 31 in a continuous V shape, the vertex of the V shape is in contact with the corresponding heat exchange tubes 31, so that the fins 32 can form overflowing channels between the heat exchange tubes 31, a medium in the heat exchange space 4 can flow in the overflowing channels, the heat exchange efficiency is increased, and meanwhile, the V-shaped structures of the fins 32 and the heat exchange tubes 31 form triangular structures, and the structural stability of the heat exchanger 3 is improved.
The heat exchanger 3 is a microchannel heat exchanger, the heat exchange tube 31 is a flat tube, the flat tube has a first side 311 in the thickness direction and a second side 312 in the width direction, the first side 311 is abutted against the outer surface of the inner container 2, the fin 32 is abutted against the second side 312, that is, the flat tube is arranged on the outer surface of the inner container 2 in a manner of being perpendicular to the outer surface of the corresponding inner container 2, when the cross section of the inner container 2 is circular, the flat tube is arranged in an annular manner, and the corresponding part of the flat tube is arranged in a tangent manner with the corresponding circular part.
The heat exchanger 3 further comprises a liquid inlet pipe and a liquid outlet pipe, wherein the first end of the heat exchange pipe 31 is communicated with the liquid inlet pipe, the second end of the heat exchange pipe 31 is communicated with the liquid outlet pipe, preferably, the liquid inlet pipe and the liquid outlet pipe are arranged along the length direction of the inner container 2, and the heat exchange pipes 31 are arranged on the liquid inlet pipe and the liquid outlet pipe in parallel along the length direction of the inner container 2, so that the heat exchange pipes 31 are uniformly distributed on the outer surface of the inner container 2, and the heat exchange efficiency of the heat exchanger 3 and the inner container 2 is guaranteed.
The feed liquor pipe with be provided with the dog between the drain pipe, prevent that contact between feed liquor pipe and the drain pipe from causing the heat transfer that does not need, just the feed liquor pipe with the drain pipe pass through the mount set up in on the surface of inner bag 2.
At least one flow channel 313 is arranged in each flat tube, one end of each flow channel 313 is communicated with the liquid inlet tube, the other end of each flow channel 313 is communicated with the liquid outlet tube, so that the refrigerant in the liquid inlet tube can enter the liquid outlet tube through all the flow channels 313, and the refrigerant exchanges heat with the flat tubes in the flow channels 313, thereby achieving the purpose of heat exchange.
All the flow channels 313 are arranged in the flat tubes in parallel along the width direction of the flat tubes, that is, all the flow channels 313 in each flat tube are arranged in the flat tube along the direction far away from the inner container 2, so that the medium in the heat exchange space 4 can be effectively exchanged heat on the premise of ensuring the effective heat exchange of the inner container 2, and the reliability of domestic hot water and heating is ensured.
The heat exchanger 3 is made of aluminum or aluminum material, that is, the heat exchanger 3 is an all-aluminum micro-channel heat exchanger 3.
The heat exchanger 3 is coated or semi-coated on the outer surface of the inner container 2, and the heat exchange area of the heat exchanger 3 is selected according to the heat exchange requirement of the inner container 2, so that the inner container 2 is coated or semi-coated, and the structural complexity of the heat exchange device is reduced on the premise of ensuring the heat exchange efficiency.
The section of the inner container 2 is circular, and the section of the heat exchanger 3 is annularly or semi-annularly arranged on the outer surface of the inner container 2, so that the inner container 2 is coated and semi-coated.
The domestic hot water heat exchange device is characterized in that a first inlet 11, a domestic hot water outlet 12, a second inlet 13, a heat supply outlet 14, a refrigerant inlet 15 and a refrigerant outlet 16 are arranged on the shell 1, the first inlet 11 and the domestic hot water outlet 12 are communicated with the inner container 2 to form a domestic hot water heat exchange cycle, the second inlet 13 and the heat supply outlet 14 are communicated with the heat exchange space 4 to form a heat supply cycle, the refrigerant inlet 15 and the refrigerant outlet 16 are communicated with the heat exchanger 3 to form a refrigerant heat exchange cycle, all inlets and outlets are integrated on the shell 1, and the pipeline complexity of the device is reduced, so that the size of the device is further reduced, and the device is convenient to install.
The first inlet 11 and the domestic hot water outlet 12 are arranged on the end face of the shell 1, and the second inlet 13, the heat supply outlet 14, the refrigerant inlet 15 and the refrigerant outlet 16 are arranged on the peripheral side face of the shell 1, so that the water inlet and outlet of the inner container 2 and the water inlet and outlet of the heating are in different directions, and the installation is convenient.
The heating circulation further comprises a heating end, and the heating end, the second inlet 13, the heat exchange space 4 and the heating outlet 14 are sequentially communicated to form the heating circulation.
The heating terminal comprises a fan coil and/or a floor heater.
The medium in the inner container 2 is the same as the medium in the heat exchange space 4, and the medium is water.
A heat exchange system comprises the heat exchange device.
The outdoor unit is communicated with the heat exchanger 3 to form a refrigerant heat exchange cycle, and is communicated with the refrigerant inlet 15 and the refrigerant outlet 16.
The outdoor unit comprises a compressor, a four-way valve and an outdoor heat exchanger 3, wherein the compressor, the four-way valve, the heat exchange device and the outdoor heat exchanger 3 are sequentially communicated to change the stroke of the refrigerant heat exchange cycle.
The outdoor unit further includes an economizer disposed in the refrigerant heat exchange cycle.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (18)
1. A heat exchange device is characterized in that: including shell (1), inner bag (2) and heat exchanger (3), inner bag (2) set up in inside shell (1), and with the internal surface of shell (1) forms heat transfer space (4), heat exchanger (3) set up in heat transfer space (4), just heat exchanger (3) with the surface contact heat transfer of inner bag (2).
2. The heat exchange device of claim 1, wherein: the heat exchanger (3) comprises a heat exchange tube (31) and fins (32), the heat exchange tube (31) is abutted to the outer surface of the inner container (2), and the heat exchange tube (31) is adjacent to the inner container, and the fins (32) are arranged between the heat exchange tube (31).
3. The heat exchange device of claim 2, wherein: the fin (32) is abutted against the outer surface of the inner container (2).
4. The heat exchange device of claim 2, wherein: the fins (32) are arranged between the two heat exchange tubes (31) in a continuous V shape, and the vertex of the V shape is in contact with the corresponding heat exchange tube (31).
5. The heat exchange device of claim 2, wherein: the heat exchange tube (31) is a flat tube, the flat tube is provided with a first side face (311) in the thickness direction and a second side face (312) in the width direction, the first side face (311) is abutted to the outer surface of the inner container (2), and the fins (32) are abutted to the second side face (312).
6. The heat exchange device of claim 5, wherein: the heat exchanger (3) further comprises a liquid inlet pipe and a liquid outlet pipe, the first ends of the heat exchange pipes (31) are communicated with the liquid inlet pipe, and the second ends of the heat exchange pipes are communicated with the liquid outlet pipe.
7. The heat exchange device of claim 6, wherein: at least one flow channel (313) is arranged in each flat tube, one end of each flow channel (313) is communicated with the liquid inlet tube, and the other end of each flow channel is communicated with the liquid outlet tube.
8. The heat exchange device of claim 7, wherein: all the flow channels (313) are arranged in parallel in the flat tubes along the width direction of the flat tubes.
9. The heat exchange device of claim 1, wherein: the heat exchanger (3) is made of aluminum or aluminum material.
10. The heat exchange device of claim 1, wherein: the heat exchanger (3) is coated or semi-coated on the outer surface of the inner container (2).
11. The heat exchange device of claim 1, wherein: the section of the inner container (2) is circular, and the section of the heat exchanger (3) is annularly or semi-annularly arranged on the outer surface of the inner container (2).
12. The heat exchange device of claim 1, wherein: the domestic hot water heat exchanger is characterized in that a first inlet (11), a domestic hot water outlet (12), a second inlet (13), a heat supply outlet (14), a refrigerant inlet (15) and a refrigerant outlet (16) are formed in the shell (1), the first inlet (11) and the domestic hot water outlet (12) are communicated with the inner container (2) to form a domestic hot water heat exchange cycle, the second inlet (13) and the heat supply outlet (14) are communicated with the heat exchange space (4) to form a heat supply cycle, and the refrigerant inlet (15) and the refrigerant outlet (16) are communicated with the heat exchanger (3) to form a refrigerant heat exchange cycle.
13. The heat exchange device of claim 12, wherein: the first inlet (11) and the domestic hot water outlet (12) are arranged on the end face of the housing (1), and the second inlet (13), the heat supply outlet (14), the refrigerant inlet (15) and the refrigerant outlet (16) are arranged on the peripheral side face of the housing (1).
14. The heat exchange device of claim 12, wherein: the heating circulation further comprises a heating end, and the heating end, the second inlet (13), the heat exchange space (4) and the heating outlet (14) are sequentially communicated to form the heating circulation.
15. The heat exchange device of claim 14, wherein: the heating terminal comprises a fan coil and/or a floor heater.
16. The heat exchange device of claim 1, wherein: the medium in the inner container (2) is the same as the medium in the heat exchange space (4).
17. A heat exchange system, characterized in that: comprising the heat exchange device of any one of claims 1 to 16.
18. The heat exchange system of claim 17, wherein: the outdoor unit is communicated with the heat exchanger (3) to form a refrigerant heat exchange cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102750.9A CN110793355A (en) | 2019-11-12 | 2019-11-12 | Heat exchange device and heat exchange system for meeting requirements of domestic hot water and heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102750.9A CN110793355A (en) | 2019-11-12 | 2019-11-12 | Heat exchange device and heat exchange system for meeting requirements of domestic hot water and heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793355A true CN110793355A (en) | 2020-02-14 |
Family
ID=69444053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911102750.9A Pending CN110793355A (en) | 2019-11-12 | 2019-11-12 | Heat exchange device and heat exchange system for meeting requirements of domestic hot water and heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110793355A (en) |
-
2019
- 2019-11-12 CN CN201911102750.9A patent/CN110793355A/en active Pending
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