CN201706810U - Micro-channel heat exchanger for heat pump water heater - Google Patents
Micro-channel heat exchanger for heat pump water heater Download PDFInfo
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- CN201706810U CN201706810U CN2010202321998U CN201020232199U CN201706810U CN 201706810 U CN201706810 U CN 201706810U CN 2010202321998 U CN2010202321998 U CN 2010202321998U CN 201020232199 U CN201020232199 U CN 201020232199U CN 201706810 U CN201706810 U CN 201706810U
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Abstract
The utility model relates to the technical field of heat exchange devices, in particular to a micro-channel heat exchanger for a heat pump water heater. The micro-channel heat exchanger comprises a first micro-channel heat exchanger and a second micro-channel heat exchanger, and is characterized in that the first micro-channel heat exchanger is connected with an inlet pipe and an outlet pipe of the second micro-channel heat exchanger respectively, an inner water tank is coated by the first micro-channel heat exchanger and the second micro-channel heat exchanger, heat insulation layers are arranged on the outer sides of the first micro-channel heat exchanger and the second micro-channel heat exchanger, the first micro-channel heat exchanger comprises a first collector pipe and a second collector pipe which are arranged in parallel, a plurality of perforated flat pipes are arranged between the first collector pipe and the second collector pipe, and refrigerant flows through the perforated flat pipes. The micro-channel heat exchanger resolves problems that a micro-channel heat exchanger of the existing heat pump water heaters is low in heat exchange efficiency, long in service life and high in energy consumption due to small area of a contact surface between a thin-wall pipe and the inner water tank.
Description
Technical field
The utility model relates to hot conversion equipment technical field, especially a kind of heat pump water heater micro-channel heat exchanger.
Background technology
The water heater of using in the life is generally transformed to heat pump water heater by the electrical heating form, and heat pump water heater comprises water tank, compressor, condenser, evaporimeter, throttling arrangement and the circuit control system of water heater.Water-heater water tank is made up of inner bag water tank, heat-insulation layer and heating tube (being condenser), heating tube be coated on usually between the inner bag water tank outside and the heat-insulation layer or in be contained in the inner bag water tank, common heating tube mostly is thin-wall copper pipe, and thin-wall copper pipe is spirally wrapped around inner bag water tank lateral surface or mostly by being loaded in behind the coiled coil among the inner bag water tank.The hot water that forms in the inner bag water tank is by the condition conversion realization of the refrigerant in the heating tube of flowing through the water in the inner bag water tank to be heated.
Yet, the micro-channel heat exchanger of the heat pump water heater of this structure, common dual mode is as follows, the one, its heating tube is the round thin-wall copper pipe setting of single tube form; thin-wall copper pipe and contacting of inner bag water tank side are arc surface and the contacting of plane; contact area is less; refrigerant carries out heat conduction by thin-wall copper pipe and inner bag water tank and the water in the inner bag water tank is heated; the water heating in the inner bag water tank can only be depended merely on the thin-walled round copper pipe and contact with the line on inner bag water tank plane and conduct heat; after the long-time running; produce thermal resistance between thin-wall copper pipe and the inner bag water tank plane; greatly influence the heat transfer between thin-wall copper pipe and the inner bag water tank; the reduction heat exchange efficiency, strengthened compressor load power.In addition, single thin-wall copper pipe is coiled in inner bag water tank side, in order to strengthen the heat exchange of thin-wall copper pipe and inner bag water tank, and single coiling density requirements height, heat exchanger system is long, and inboard flow resistance is bigger, and the flow velocity of refrigerant in thin-wall copper pipe is lower, and the heat exchange effect reduces.
The 2nd, the thin-wall copper pipe of heat effect has been housed in the inner bag water tank; thin-wall copper pipe becomes certain shape behind the coiled coil as requested; the water in the inner bag water tank strengthen by flowing and thin-wall copper pipe between energy exchange; the water quality that use the different location is difference to some extent; probably make the surface of thin-wall copper pipe produce incrustation; corrosion; and because of microorganism constantly breeding produces problems such as biological clay; use unhygienic to the water source like this; influence the power conversion at water source in thin-wall copper pipe and the inner bag water tank; reduce the heat exchange effect; the service life of shortening equipment; also increased the consumption of the energy, add in addition and keep in repair and cleaning is difficult to carry out.
Summary of the invention
The purpose of this utility model is in order to solve the micro-channel heat exchanger of existing heat pump water heater; light-wall pipe and inner bag water tank contact-making surface are less; the problem that heat exchange efficiency is low, service life of equipment is short, energy consumption is high; the heat pump water heater micro-channel heat exchanger that renews the type compact efficient is provided; the heat pump water heater micro-channel heat exchanger is that the heat exchanger and the inner bag water tank side of the novel compact efficient of symmetry placement are close to, and the Teat pump boiler heat exchanger of a kind of heat exchange efficiency height, energy savings, environmental protection is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of heat pump water heater micro-channel heat exchanger, comprise first micro-channel heat exchanger, second micro-channel heat exchanger, the inlet tube that it is characterized in that described first micro-channel heat exchanger and second micro-channel heat exchanger, outlet is connected to together, first micro-channel heat exchanger and second micro-channel heat exchanger wrap up the inner bag water tank, and be provided with heat-insulation layer in the outside of first micro-channel heat exchanger and second micro-channel heat exchanger, described first micro-channel heat exchanger comprises first header and second header that be arranged in parallel, is provided with some the porous flat pipes for the refrigerant circulation between first header and second header.
First micro-channel heat exchanger and second micro-channel heat exchanger partner, this device is made up of a pair of micro-channel heat exchanger splicing, a pair of micro-channel heat exchanger can be that same size micro-channel heat exchanger structure also can be the micro-channel heat exchanger structure of different size, and they are fixed together by clip.They wrap the inner bag water tank to packaging, the protection of outside insulation layer.
The porous flat pipe of micro-channel heat exchanger and contacting of inner bag water tank side be the plane with the plane between contact, the heat conduction contact-making surface strengthens, the water tank water is short heat time heating time, and refrigerant can be full of whole heat exchanger tube in porous flat pipe, the exchange heat between enhancing heat exchanger tube and the inner bag water tank.
As preferably, be provided with several clips between described first micro-channel heat exchanger and second micro-channel heat exchanger, clip is arranged on the position between inlet tube and the outlet.Guarantee the splicing intensity of first micro-channel heat exchanger and second micro-channel heat exchanger, the length of clip is considered the installing space of three-way pipe.
As preferably, inlet tube, the outlet of described first micro-channel heat exchanger and second micro-channel heat exchanger link together by three-way pipe respectively, and interface of three-way pipe communicates with the cold-producing medium tube connector in the heat pump water heater system.Adopt three-way pipe can be convenient for assembly with safeguard the drawing direction and also can finish of inlet tube and outlet by the design of three-way pipe.
As preferably, inlet tube, the outlet of described first micro-channel heat exchanger and second micro-channel heat exchanger is arranged on the same side of header separately.First micro-channel heat exchanger and second micro-channel heat exchanger are docking together, and inlet tube and outlet are arranged on homonymy and help butt joint.
As preferably, described first header and second header are provided with the flat tube groove, and porous flat pipe and flat tube groove connect.First header and second header are parallel to each other, and axial the same side of header is provided with a plurality of flat tube grooves, and flat tube groove size and porous flat pipe size match, and porous flat pipe and flat tube slot welding connect.Porous flat pipe is that thickness is 1.3～3mm, and width is the aluminum alloy flat tube of 12～36mm.
As preferably, a side of described first header and second header is provided with the base joint, and inlet tube and outlet join by base joint and header, and the inside of first header and second header is provided with dividing plate.The design of base joint has strengthened import and export pipe and header bonding strength, and dividing plate is used for intercepting the direction that refrigerant flows.
As preferably, the width both sides of described porous flat pipe and the plane contact of inner bag water tank.Increased the heat conduction contact-making surface of micro-channel heat exchanger and inner bag water tank so greatly.
Effective effect of the present utility model is: the inner bag water tank side that is coated on heat pump water heater with a pair of micro-channel heat exchanger, micro-channel heat exchanger porous flat pipe and contacting of inner bag water tank side are the plane and the contacting of plane, the heat conduction contact area strengthens, and the water tank water is short heat time heating time; Refrigerant can be full of whole heat exchanger tube in porous flat pipe, the exchange heat between enhancing heat exchanger tube and the inner bag water tank; Adopt a pair of micro-channel heat exchanger to reduce heat exchanger heat-exchanging tube length, reduce the inboard flow resistance of refrigerant, increase the flow velocity of refrigerant in heat exchanger tube, strengthen the heat exchange effect.
Therefore, the utility model is a kind of rational in infrastructure, practical, the heat pump water heater micro-channel heat exchanger that energy-conservation integrated cost is low.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of micro-channel heat exchanger structural representation of the present utility model.
Fig. 3 is a kind of heat pump water heater system of utility model.
Among the figure: 1. compressor, 2. inner bag water tank, 3. condenser, 4. throttling arrangement, 5. evaporimeter, 6. cross valve, 7. cold-producing medium tube connector, 8. motor, 9. fan, 10. controller, 201. outlets, 202. first micro-channel heat exchanger, 203. second micro-channel heat exchangers, 204. inlet tubes, 205. three-way pipe, 206. clips, 301. first headers, 302. porous flat pipe, 303. second headers, 304. dividing plates.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of heat pump water heater micro-channel heat exchanger of present embodiment, form by first micro-channel heat exchanger 202 and 206 butt joints of two clips of second micro-channel heat exchanger, 203 usefulness, the inlet tube 204 of first micro-channel heat exchanger 202 and second micro-channel heat exchanger 203, outlet 201 also is connected to together, and all be arranged on the two ends of clip 206 the same sides of butt joint, first micro-channel heat exchanger 202 and second micro-channel heat exchanger 203 wrap up inner bag water tank 2, and wrap up with heat-insulation layer in the outside of first micro-channel heat exchanger 202 and second micro-channel heat exchanger 203.Inlet tube 204 and outlet 201 link together by a three-way pipe 205 separately, and the interface and the cold-producing medium tube connector 7 of three-way pipe 205 join.
As shown in Figure 2, first micro-channel heat exchanger 202 is identical with second micro-channel heat exchanger, 203 structures, size equates, it comprises first header 301 and second header 303 that be arranged in parallel, be provided with many porous flat pipes 302 between first header 301 and second header 303 for the refrigerant circulation, first header 301 and second header 303 are provided with a plurality of flat tube grooves, and porous flat pipe 302 connects with the flat tube slot welding.The inside of first header 301 and second header 303 is provided with dividing plate 304.
When the refrigerant of HTHP flows into three-way pipes 205 from cold-producing medium tube connector 7, refrigerant enters the inlet tube 204 of a pair of micro-channel heat exchanger respectively through three-way pipe 205, the refrigerant that enters from inlet tube 204 is pooled to 301 headers, because stopping of header 301 internal partitions 304, refrigerant just flows into other side second header 303 from first header 301 along the micropore of porous flat pipe 302, outlet 201 from a pair of micro-channel heat exchanger flows out because of pressure reason refrigerant flows into behind first header 301 respectively from next group porous flat pipe 302 again, after refrigerant compiles from three-way pipe 205 through throttling arrangement 4.The exchange heat process of refrigerant in a pair of micro-channel heat exchanger that Here it is, refrigerant are sent to the heat of high temperature in the inner bag water tank 2 during by porous flat pipe 302, and the water in the inner bag water tank 2 is heated.
A kind of heat pump water heater system of this device, referring to Fig. 3, the high temperature and high pressure gas that compressor 1 is discharged enters condenser 3 through cross valve 6 and cold-producing medium tube connector 7, condenser 3 carries out exchange heat with inner bag water tank 2, water in the inner bag water tank 2 is heated, shed in condenser 3 liquid that heat becomes high pressure low temperature or middle temperature of refrigerant becomes the liquid of low-pressure low-temperature after throttling arrangement 4 throttlings, enter evaporimeter 5 through the cold-producing medium tube connector, cold-producing medium absorbs the air of the evaporimeter 5 of flowing through in evaporimeter 5 heat becomes the gas of low-pressure low-temperature and sucks compressor 1, and constantly circulation.Motor 8 becomes the fan exhaust system with fan 9 mutual group, and air is introduced evaporimeter 5 outsides for evaporimeter 5 heat absorptions.Controller 10 is controlled whole system by various logic of propositions relations.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (7)
1. heat pump water heater micro-channel heat exchanger, comprise first micro-channel heat exchanger (202), second micro-channel heat exchanger (203), the inlet tube (204) that it is characterized in that described first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203) links together, the outlet (201) of first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203) links together, first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203) wrap up inner bag water tank (2), and be provided with heat-insulation layer in the outside of first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203), described first micro-channel heat exchanger (202) comprises first header (301) and second header (303) that be arranged in parallel, is provided with some the porous flat pipes (302) for the refrigerant circulation between first header (301) and second header (303).
2. heat pump water heater micro-channel heat exchanger according to claim 1, it is characterized in that being provided with several clips (206) between described first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203), clip (206) is arranged on the position between inlet tube (204) and the outlet (201).
3. heat pump water heater micro-channel heat exchanger according to claim 1, the inlet tube (204), the outlet (201) that it is characterized in that described first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203) link together by three-way pipe (205) respectively, and interface of three-way pipe (205) communicates with the cold-producing medium tube connector (7) in the heat pump water heater system.
4. heat pump water heater micro-channel heat exchanger according to claim 1 is characterized in that the inlet tube (204) of described first micro-channel heat exchanger (202) and second micro-channel heat exchanger (203), outlet (201) are arranged on the same side of header separately.
5. heat pump water heater micro-channel heat exchanger according to claim 1 is characterized in that described first header (301) and second header (303) are provided with the flat tube groove, and porous flat pipe (302) connects with the flat tube groove.
6. heat pump water heater micro-channel heat exchanger according to claim 1, a side that it is characterized in that described first header (301) and second header (303) is provided with the base joint, inlet tube (204) and outlet (201) join by base joint and header, and the inside of first header (301) and second header (303) is provided with dividing plate (304).
7. heat pump water heater micro-channel heat exchanger according to claim 1 is characterized in that the width both sides of described porous flat pipe (302) and the plane contact of inner bag water tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202321998U CN201706810U (en) | 2010-06-22 | 2010-06-22 | Micro-channel heat exchanger for heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202321998U CN201706810U (en) | 2010-06-22 | 2010-06-22 | Micro-channel heat exchanger for heat pump water heater |
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| Publication Number | Publication Date |
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| CN201706810U true CN201706810U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202321998U Expired - Fee Related CN201706810U (en) | 2010-06-22 | 2010-06-22 | Micro-channel heat exchanger for heat pump water heater |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148644A (en) * | 2013-03-22 | 2013-06-12 | 郭永 | Micro-channel falling film evaporation type condenser |
| CN103307733A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307732A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307746A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN104634003A (en) * | 2013-11-13 | 2015-05-20 | 马勒贝洱两合公司 | Sorption heat exchanger module, preferably for a motor vehicle |
| CN104949338A (en) * | 2015-05-25 | 2015-09-30 | 苏州纵贯线换热器有限公司 | Heat exchanger for micro-channel of outer disk in water tank liner of heat-pump water heater |
-
2010
- 2010-06-22 CN CN2010202321998U patent/CN201706810U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307746B (en) * | 2012-03-15 | 2016-05-25 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307733A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307732A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307746A (en) * | 2012-03-15 | 2013-09-18 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307732B (en) * | 2012-03-15 | 2016-03-16 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103307733B (en) * | 2012-03-15 | 2016-03-23 | 珠海格力电器股份有限公司 | Water heater with heat exchanger |
| CN103148644B (en) * | 2013-03-22 | 2015-12-16 | 郭永 | Microchannel falling-film evaporating condenser |
| CN103148644A (en) * | 2013-03-22 | 2013-06-12 | 郭永 | Micro-channel falling film evaporation type condenser |
| CN104634003A (en) * | 2013-11-13 | 2015-05-20 | 马勒贝洱两合公司 | Sorption heat exchanger module, preferably for a motor vehicle |
| CN104634003B (en) * | 2013-11-13 | 2018-08-03 | 马勒贝洱两合公司 | It is preferred for the adsorption heat exchanger module of motor vehicles |
| US10619896B2 (en) | 2013-11-13 | 2020-04-14 | Mahle International Gmbh | Sorption heat exchanger module, preferably for a motor vehicle |
| CN104949338A (en) * | 2015-05-25 | 2015-09-30 | 苏州纵贯线换热器有限公司 | Heat exchanger for micro-channel of outer disk in water tank liner of heat-pump water heater |
| CN104949338B (en) * | 2015-05-25 | 2018-01-02 | 苏州纵贯线换热器有限公司 | A kind of external disk micro-channel heat exchanger of heat-pump water-heater water tank inner bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG KANGSHENG HEAT EXCHANGER CO., LTD. Free format text: FORMER OWNER: ZHEJIANG KANGSHENG CO., LTD. Effective date: 20130725 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130725 Address after: Zhejiang province Chunan County town 311700 Kuril Kang Sheng Lu No. 268 Patentee after: Zhenjiang Kangsheng Heat Exchanger Co., Ltd. Address before: Chunan County, Hangzhou City, 311700 thousand Zhejiang province Pingshan Town Industrial Park Patentee before: Zhejiang Kangsheng Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20180622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |