CN202254521U - Microchannel condenser for heat pump water heater - Google Patents
Microchannel condenser for heat pump water heater Download PDFInfo
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- CN202254521U CN202254521U CN2011203379454U CN201120337945U CN202254521U CN 202254521 U CN202254521 U CN 202254521U CN 2011203379454 U CN2011203379454 U CN 2011203379454U CN 201120337945 U CN201120337945 U CN 201120337945U CN 202254521 U CN202254521 U CN 202254521U
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Abstract
The utility model discloses a microchannel condenser for a heat pump water heater, which comprises a refrigerating fluid inlet collecting pipe bundle, a refrigerating fluid outlet collecting pipe bundle, a cooling water inlet copper pipe, a hot water outlet copper pipe, a water flowing channel and a porous microchannel heat exchange flat pipe, wherein the contact of the porous microchannel heat exchange flat pipe and the side surface of the water flowing channel is plane-to-plane contact, so that the heat conduction contact area is enlarged, the hot water heating time is shortened, the whole heat exchange pipe can be filled with a refrigeration medium in the porous microchannel heat exchange flat pipe, and simultaneously the water flowing direction and the refrigeration medium flowing direction are mutually vertical to form crossed flow so as to enhance the energy exchange between the porous microchannel heat exchange flat pipe and the water flowing channel. The microchannel condenser is simple in processing technique, shortens the length of the traditional condenser heat exchange pipe, reduces the refrigerants filling quantity, reduces the inner side flowing resistance of a pipeline, promotes the flowing speed of the refrigeration medium in a condenser pipe, and enhances the heat exchange effect.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, is specifically related to a kind of micro-channel condenser that is used for Teat pump boiler.
Background technology
Heat pump hot-water system is considered to open up and utilizes one of best equipment of the energy, is hot water device for making of new generation and equipment after boiler, gas heater, electric heater and solar water heater.Teat pump boiler comprises water tank, compressor condenser, evaporimeter, throttling arrangement and the circuit control system of water heater.The water tank of water heater is made up of inner bag water tank, heat-insulation layer and heating tube (being condenser); Water back 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; Mostly common heating tube is thin-wall copper pipe, and thin-wall copper pipe is spirally wrapped around inner bag water tank lateral surface or mostly by being contained in behind the coiled coil among the inner bag water tank.The cold-producing medium heating tube condensation heat release of flowing through, the water absorption condensation heat in the water tank, temperature rises.
Yet; The condenser of the Teat pump boiler of this structure, common dual mode is following: 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 through thin-wall copper pipe and inner bag water tank and with the water heating of inner bag water tank the inside, and the water heating of inner bag water tank the inside 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, and after the long-time running; produce thermal resistance between thin-walled round copper pipe and the inner bag water tank plane; greatly influence the heat transfer between thin-walled round copper pipe and the inner bag water tank plane, the reduction heat exchange efficiency has strengthened the load power of compressor.In addition, single thin-walled round 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; Single coiling density requirements is high, and condenser system is long, and the flows inside resistance is bigger; The flow velocity of refrigerant in thin-wall copper pipe is lower, and the heat exchange effect reduces.
The 2nd, the condenser that it is made up of thin-wall copper pipe is housed in the inner bag water tank; thin-wall copper pipe becomes certain shape as requested behind the coiled coil; the water in the inner bag water tank is through the energy exchange between forced convertion enhancing and the thin-wall copper pipe; the water quality that use the different location is difference to some extent; probably make the thin-wall copper pipe surface produce incrustation, corrosion, and because of microorganism constantly breeding produces problems such as biological clay, and then have influence on water heater water quality safety property, present stage, country such as Europe did not allow the interior disc type structural design of Teat pump boiler employing.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming and defect of prior art; A kind of micro-channel condenser that is used for Teat pump boiler is provided; The condenser light-wall pipe and the inner bag water tank contact area that solve existing heat pump water heater are less, problems such as heat exchange efficiency is low, service life of equipment is short, energy consumption height.
The utility model is realized through following technical proposals:
A kind of micro-channel condenser that is used for Teat pump boiler; Comprise refrigerant inlet header, refrigerant outlet header, between refrigerant inlet header and refrigerant outlet header, be distributed with many Thermal Performance of Micro Channels pipes side by side, said Thermal Performance of Micro Channels pipe has three layers at least; Each layer is provided with water flow channel; Fit in said Thermal Performance of Micro Channels pipe and water flow channel surface, said water flow channel is reciprocal winding type structure, water (flow) direction and the mutual square crossing of the flow direction of cold-producing medium in the Thermal Performance of Micro Channels pipe in the said water flow channel; The upper end of said water flow channel is provided with cooling water inlet, and the lower end of water flow channel is provided with hot water outlet.
Wherein a kind of structure can be: said Thermal Performance of Micro Channels pipe is divided into three layers of absolute construction at least, and promptly the two ends of each layer Thermal Performance of Micro Channels pipe all connect a refrigerant inlet header and a refrigerant outlet header respectively; The two ends of the refrigerant inlet header in these three layers are unified to be communicated with refrigerant-cycle systems through three-way pipe after the intercommunication; Be communicated with refrigerant-cycle systems through another three-way pipe after the also unified intercommunication in the two ends of the refrigerant outlet header in these three layers; Said refrigerant inlet header and refrigerant outlet header are arranged on the same end of Thermal Performance of Micro Channels pipe or are separately positioned on the two ends of Thermal Performance of Micro Channels pipe.
Another kind of structure can be: said Thermal Performance of Micro Channels pipe has three layers at least; Promptly all be interconnected between three layers of Thermal Performance of Micro Channels pipe; The cross section structure that is communicated with the back global shape is snakelike or S shape Thermal Performance of Micro Channels pipe; And be communicated with the back and form an end and an afterbody, its end is connected with a refrigerant inlet header, and its afterbody is connected with a refrigerant outlet header.
Said Thermal Performance of Micro Channels pipe is the Thermal Performance of Micro Channels flat tube, i.e. the rectangular structure of its cross sectional shape.The thickness of flat tube is 1.3mm～3.3mm, and width is the aluminum alloy flat tube of 12mm～36mm, has increased the heat conduction contact-making surface of Thermal Performance of Micro Channels pipe and water flow channel so greatly.
The beneficial effect of the utility model is: fit in said Thermal Performance of Micro Channels pipe and water flow channel surface, the heat conduction contact area strengthens, and shortens water heat time heating time; Refrigerant can be full of whole heat exchanger tube in the Thermal Performance of Micro Channels pipe.Water (flow) direction and the mutual square crossing of the flow direction of cold-producing medium in the Thermal Performance of Micro Channels pipe in the said water flow channel are of value to the reinforcement heat convection, thereby have strengthened the energy exchange between porous Thermal Performance of Micro Channels flat tube and the water flow channel.Adopt snakelike or S shape Thermal Performance of Micro Channels pipe; And back and forth the winding type water flow channel has reduced traditional condenser heat exchanger tube length; Reduce refrigerant charge and insides of pipes flow resistance, increased the flow velocity of refrigerant in condenser tube, strengthened the heat exchange effect.The patent art means are simple and easy to do, and are safe and reliable, energy-conserving and environment-protective, and long service life etc. are effect actively.
Description of drawings
Fig. 1 is first kind of structural representation of the utility model.
Fig. 2 is second kind of structural representation of the utility model.
Fig. 3, wherein: (A) be the Thermal Performance of Micro Channels pipe shown in Figure 2 and the operation principle sketch map of water flow channel; (B) be the operation principle sketch map of Fig. 1 Thermal Performance of Micro Channels pipe and water flow channel.
Fig. 4 is the schematic top plan view of the utility model Fig. 1.
Fig. 5 is the front-view schematic diagram of the utility model Fig. 1.
Among Fig. 6 (A) and (B) be respectively that the left side of Fig. 1 is looked with the right side and looked sketch map.
Fig. 7 is the water flow channel sketch map of Fig. 1 and Fig. 2 same structure.
The specific embodiment
Below in conjunction with specific embodiment the utility model is done further concrete detailed description the in detail, but the embodiment of the utility model is not limited thereto, the technological parameter for not indicating especially can carry out with reference to routine techniques.
Embodiment
Like Fig. 1, shown in Figure 2; The utility model is used for the micro-channel condenser of Teat pump boiler; Comprise refrigerant inlet header 1,1-1 refrigerant outlet header 2,2-1; Between refrigerant inlet header 1,1-1 and refrigerant outlet header 2,2-1, be distributed with many Thermal Performance of Micro Channels pipes 6,6-1 side by side; Said Thermal Performance of Micro Channels pipe 6,6-1 have three layers at least; Each layer is provided with water flow channel 5,5-1, said Thermal Performance of Micro Channels pipe 6,6-1 and water flow channel 5, the applying of 5-1 surface, and said water flow channel 5,5-1 are reciprocal winding type structure; Water (flow) direction and the mutual square crossing of the flow direction of cold-producing medium in Thermal Performance of Micro Channels pipe 6,6-1 in said water flow channel 5, the 5-1, the lower end that the upper end of said water flow channel 5,5-1 is provided with cooling water inlet 3,3-1 water flow channel 5,5-1 is provided with cooling water outlet 4,4-1.
Said Thermal Performance of Micro Channels pipe 6,6-1 are flat tube, and promptly its cross sectional shape is approximate rectangular.Thermal Performance of Micro Channels pipe 6,6-1 adopt the condenser of flat tube configuration as Teat pump boiler, can advance smelting furnace according to project organization and weld, and effectively guarantee welding quality.And Thermal Performance of Micro Channels pipe 6,6-1 effectively reduce the condenser material usage under the situation of equal heat, reduce cost, and the colleague has reduced refrigerant charge, and bearing capacity is superior to the pipe condenser, and system under high pressure works more reliable.
Fig. 1 shows first kind of concrete structure.Wherein Fig. 4, Fig. 5 are respectively schematic top plan view, the front-view schematic diagram of Fig. 1, Fig. 6 (A) and (B) be respectively that the left side of Fig. 1 is looked with the right side and looked sketch map.Can find out that from this accompanying drawing said Thermal Performance of Micro Channels pipe 6 is divided into three layers of absolute construction at least, promptly the two ends of each layer Thermal Performance of Micro Channels pipe 6 all connect a refrigerant inlet header 1 and a refrigerant outlet header 2 respectively; The two ends of the refrigerant inlet header 1 in these three layers are unified to be communicated with the refrigerant-cycle systems (not shown) through the three-way pipe (not shown) after the intercommunication; Be communicated with refrigerant-cycle systems through another three-way pipe after the also unified intercommunication in the two ends of the refrigerant outlet header 2 in these three layers.
Fig. 2 shows second kind of concrete structure.Said Thermal Performance of Micro Channels pipe 6-1 has three layers at least; Promptly all be interconnected between three layers of Thermal Performance of Micro Channels pipe 6-1; The cross section structure that is communicated with the back global shape is snakelike or S shape (like Fig. 3 A); And be communicated with the back and form an end and an afterbody, its end is connected with a refrigerant inlet header 1-1, and its afterbody is connected with a refrigerant outlet header 2-1.Said refrigerant inlet header 1-1 and refrigerant outlet header 2-1 are arranged on the same end of Thermal Performance of Micro Channels pipe 6-1 or are separately positioned on the two ends of Thermal Performance of Micro Channels pipe 6-1.Said refrigerant inlet header 1-1, refrigerant outlet header 2-1 are communicated with the refrigerant-cycle systems (not shown) respectively.
Fig. 3, wherein: (A) be Thermal Performance of Micro Channels pipe 6-1 shown in Figure 2 and the operation principle sketch map of water flow channel 5-1; (B) be the Thermal Performance of Micro Channels pipe 6 shown in Figure 1 and the operation principle sketch map of water flow channel 5.Difference is that the flow direction of figure (B) cold-producing medium D is identical, and the cold-producing medium E flow direction of scheming (A) distributes for circuitous.
Fig. 7 is water flow channel 5 among Fig. 1, Fig. 2,5-1 sketch map, can find out that their structure is the form of circuitous channel.Specifically be to be used for intercepting the direction of water flows through dividing plate at water flow channel 5,5-1 set inside dividing plate.By this dividing plate, form the circuitous runner to hot water outlet 4 from cooling water inlet 3, water flows direction F and cold-producing medium D, E flow direction are vertical, the formation distributary.
Just can realize the utility model preferably as stated.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (5)
1. micro-channel condenser that is used for Teat pump boiler; Comprise refrigerant inlet header, refrigerant outlet header; Between refrigerant inlet header and refrigerant outlet header, be distributed with many Thermal Performance of Micro Channels pipes side by side; It is characterized in that: said Thermal Performance of Micro Channels pipe has three layers at least, and each layer is provided with water flow channel, fits in said Thermal Performance of Micro Channels pipe and water flow channel surface; Said water flow channel is reciprocal winding type structure; Water (flow) direction and the mutual square crossing of the flow direction of cold-producing medium in the Thermal Performance of Micro Channels pipe in the said water flow channel, the upper end of said water flow channel is provided with cooling water inlet, and the lower end of water flow channel is provided with hot water outlet.
2. the micro-channel condenser that is used for Teat pump boiler according to claim 1; It is characterized in that: said Thermal Performance of Micro Channels pipe is divided into three layers of absolute construction at least, and promptly the two ends of each layer Thermal Performance of Micro Channels pipe all connect a refrigerant inlet header and a refrigerant outlet header respectively; The two ends of the refrigerant inlet header in these three layers are unified to be communicated with refrigerant-cycle systems through three-way pipe after the intercommunication; Be communicated with refrigerant-cycle systems through another three-way pipe after the also unified intercommunication in the two ends of the refrigerant outlet header in these three layers.
3. the micro-channel condenser that is used for Teat pump boiler according to claim 1; It is characterized in that: said Thermal Performance of Micro Channels pipe has three layers at least; Promptly all be interconnected between three layers of Thermal Performance of Micro Channels pipe, the cross section structure that is communicated with the back global shape is snakelike or S shape Thermal Performance of Micro Channels pipe, and is communicated with an end of formation, back and an afterbody; Its end is connected with a refrigerant inlet header, and its afterbody is connected with a refrigerant outlet header.
4. the micro-channel condenser that is used for Teat pump boiler according to claim 3 is characterized in that: said refrigerant inlet header and refrigerant outlet header are arranged on the same end of Thermal Performance of Micro Channels pipe or are separately positioned on the two ends of Thermal Performance of Micro Channels pipe.
5. according to each described micro-channel condenser that is used for Teat pump boiler in the claim 1～4, it is characterized in that: said Thermal Performance of Micro Channels pipe is the Thermal Performance of Micro Channels flat tube, i.e. the rectangular structure of its cross sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203379454U CN202254521U (en) | 2011-09-09 | 2011-09-09 | Microchannel condenser for heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203379454U CN202254521U (en) | 2011-09-09 | 2011-09-09 | Microchannel condenser for heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202254521U true CN202254521U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203379454U Expired - Fee Related CN202254521U (en) | 2011-09-09 | 2011-09-09 | Microchannel condenser for heat pump water heater |
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| Country | Link |
|---|---|
| CN (1) | CN202254521U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353185A (en) * | 2011-09-09 | 2012-02-15 | 华南理工大学 | Micro-channel condenser for heat pump water heater |
| CN104748605A (en) * | 2015-03-25 | 2015-07-01 | 华南理工大学 | Electric field enhanced nanofluid phase change heat transfer compact type multi-layer microchannel heat exchanger |
| WO2019184279A1 (en) * | 2018-03-30 | 2019-10-03 | 杭州三花微通道换热器有限公司 | Collecting pipe assembly for heat exchanger and heat exchanger |
| CN112594769A (en) * | 2020-12-24 | 2021-04-02 | 三峡大学 | Multi-energy supply device and method based on aluminum micro-channel heat pipe technology |
-
2011
- 2011-09-09 CN CN2011203379454U patent/CN202254521U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353185A (en) * | 2011-09-09 | 2012-02-15 | 华南理工大学 | Micro-channel condenser for heat pump water heater |
| CN104748605A (en) * | 2015-03-25 | 2015-07-01 | 华南理工大学 | Electric field enhanced nanofluid phase change heat transfer compact type multi-layer microchannel heat exchanger |
| CN104748605B (en) * | 2015-03-25 | 2017-03-01 | 华南理工大学 | A kind of electric field-enhanced nano-fluid phase-change heat transfer close-coupled multilamellar micro-channel heat exchanger |
| WO2019184279A1 (en) * | 2018-03-30 | 2019-10-03 | 杭州三花微通道换热器有限公司 | Collecting pipe assembly for heat exchanger and heat exchanger |
| CN112594769A (en) * | 2020-12-24 | 2021-04-02 | 三峡大学 | Multi-energy supply device and method based on aluminum micro-channel heat pipe technology |
| CN112594769B (en) * | 2020-12-24 | 2022-01-04 | 三峡大学 | Multi-energy supply device and method based on aluminum micro-channel heat pipe technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140909 |
|
| EXPY | Termination of patent right or utility model |