CN202835928U - Microchannel heat exchanger used for heat-pump water heater - Google Patents
Microchannel heat exchanger used for heat-pump water heater Download PDFInfo
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- CN202835928U CN202835928U CN 201220303445 CN201220303445U CN202835928U CN 202835928 U CN202835928 U CN 202835928U CN 201220303445 CN201220303445 CN 201220303445 CN 201220303445 U CN201220303445 U CN 201220303445U CN 202835928 U CN202835928 U CN 202835928U
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- channel heat
- pump boiler
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Abstract
The utility model discloses a microchannel heat exchanger used for a heat-pump water heater. The microchannel heat exchanger used for the heat-pump water heater comprises a first collecting main and a second collecting main which are respectively arranged on both sides of the microchannel heat exchanger, and a flat pipe which is arranged between the first collecting main and the second collecting main and communicated with the first collecting main and the second collecting main. A first thermal baffle used for stoping liquid flow is arranged on a relative position of the first collecting main and the second collecting main, the first thermal baffle divides the microchannel heat exchanger used for the heat-pump water heater into a plurality of independent parts, and the first collecting main or the second collecting main of each part of the microchannel heat exchanger used for the heat-pump water heater is provided with a working medium inlet and a working medium outlet. The microchannel heat exchanger used for the heat-pump water heater strengthens entrance disturbance of refrigerating fluid, increases flow rate inside the pipe, and improves heater transfer efficiency of the microchannel heat exchanger used for the heat-pump water heater effectively.
Description
Technical field
The utility model relates to technical field of heat exchangers, relates to more specifically a kind of Teat pump boiler micro-channel heat exchanger.
Background technology
Heat exchanger is the part heat transferred cold fluid with hot fluid, makes cooling fluid temperature reach the exchange heat equipment of technological process set quota.Along with the develop rapidly of power-saving technology, the kind of heat exchanger is more and more.
Micro-channel heat exchanger has been subject to the popular welcome in market as the heat exchanger of a kind of efficient, material-saving, environmental protection, light weight.Following content will describe in detail with micro-channel heat exchanger to a kind of Teat pump boiler.Teat pump boiler is comprised of aluminium flat and header with micro-channel heat exchanger, and wherein, the access opening of aluminium flat is the minitype channel hole.
Different from conventional heat exchanger is, Teat pump boiler uses micro-channel heat exchanger because the cross-sectional area of access opening is less, therefore the heat and mass of minitype channel has its special " dimensional effect " with flowing, be mainly manifested in: one, thermal inertia reduces with size reduction.The process that reduces to make difficult realization under stock size of thermal inertia such as phase transition process, can realize within the lower short time of miniature scale.Two, heat flow density is larger.Studies show that when mobile size little when the 0.5-1mm, convection transfer rate can increase 50-100%.Thereby the employing micro-channel heat exchanger, can Effective Raise heat exchange efficiency, reduce the charging amount of system refrigerant and alleviate the water tank overall weight.
Yet, in the prior art, in the prior art micro-channel heat exchanger using heat pump water heater, also have the low problem of refrigerant flow distribution inequality and flow velocity.Each runner flow distribution inequality directly causes the skewness of its heat exchange cross-section temperature field, velocity field, and then causes the up and down problem of layering of water tank water temperature.
Therefore, how to solve Teat pump boiler refrigerant flow skewness and low problem of flow velocity in the micro-channel heat exchanger in the prior art, become those skilled in the art's important technological problems to be solved.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of Teat pump boiler micro-channel heat exchanger, and it can effectively solve the low problem of cold-producing medium flow velocity in the micro-channel heat exchanger.
The Teat pump boiler micro-channel heat exchanger that the utility model provides, comprise the first header and the second header that is arranged at respectively its both sides and be arranged at described the first header and described the second header between and with the two flat tube that all is connected, be provided with the first thermal insulation board of blocking-up liquid stream in described the first header and described the second header, described the first thermal insulation board is divided into independently part of a plurality of phases with described Teat pump boiler with micro-channel heat exchanger, and described Teat pump boiler is provided with working medium import or sender property outlet with described the first header or described second header of micro-channel heat exchanger each several part.
Preferably, described Teat pump boiler also is provided with the second thermal insulation board that shifts to install with described the first header and described second header of micro-channel heat exchanger each several part.
Preferably, described working medium import all is arranged at described the first header, and described sender property outlet all is arranged at described the second header.
Preferably, the described Teat pump boiler of each several part equates with the quantity of the described flat tube of micro-channel heat exchanger setting.
Preferably, the described Teat pump boiler of each several part from top to bottom increases progressively successively with the quantity of the described flat tube of micro-channel heat exchanger setting.
The Teat pump boiler micro-channel heat exchanger that the utility model provides, comprise the first header and the second header that is arranged at respectively its both sides and be arranged at described the first header and described the second header between and with the two flat tube that all is connected, be provided with the first thermal insulation board of blocking-up liquid stream in described the first header and described the second header, described the first thermal insulation board is divided into independently part of a plurality of phases with described Teat pump boiler with micro-channel heat exchanger, and described Teat pump boiler is provided with working medium import or sender property outlet with described the first header or described second header of micro-channel heat exchanger each several part.
So arrange, the Teat pump boiler micro-channel heat exchanger that the utility model provides, because the first thermal insulation board is divided into a plurality of parts with micro-channel heat exchanger, the micro-channel heat exchanger of each part is equipped with working medium import and sender property outlet, cold-producing medium flows into the each several part micro-channel heat exchanger by a plurality of working medium imports, so be divided into a microchannel a plurality of, air inlet and fluid adopt form in parallel between a plurality of microchannels, increased the entry perturbation of cold-producing medium, cold-producing medium can distribute between each flat tube more uniformly simultaneously, and then reduced the up and down layering of water tank water temperature, Effective Raise the heat exchange property of Teat pump boiler with micro-channel heat exchanger.
Description of drawings
Fig. 1 is Teat pump boiler micro-channel heat exchanger deployed configuration schematic diagram in the utility model specific embodiment.
Among Fig. 1, the first header-11, the second header-12, flat tube-13, the first thermal insulation board-14, working medium import-15, sender property outlet-16, the second thermal insulation board-17.
The specific embodiment
The utility model provides a kind of Teat pump boiler micro-channel heat exchanger, and the velocity in pipes that it can the Effective Raise cold-producing medium effectively reduces lower leaf on the Teat pump boiler water temperature.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is Teat pump boiler micro-channel heat exchanger deployed configuration schematic diagram in the utility model specific embodiment.Need to prove, micro-channel heat exchanger provided in the present embodiment on water tank, the heat exchanger deployed configuration schematic diagram that Fig. 1 provides for this specific embodiment.
Teat pump boiler micro-channel heat exchanger provided in the present embodiment, comprise the first header 11 and the second header 12 that are arranged at respectively its both sides, also comprise be arranged between the first header 11 and the second header 12 and with the two flat tube that all is connected 13.
Need to prove, be provided with the first thermal insulation board 14 of blocking-up liquid stream in this specific embodiment in the first header 11 and the second header 12, the first thermal insulation board 14 is divided into independently part of a plurality of phases with micro-channel heat exchanger, and the first header 11 of micro-channel heat exchanger each several part or the second header 12 are provided with working medium import 15 or sender property outlet 16.
Be to be understood that, Teat pump boiler is provided with working medium import 15 or sender property outlet 16 with the first header 11 or second header 12 of the various piece of micro-channel heat exchanger, the first header 11 that means the various piece of micro-channel heat exchanger can only be provided with working medium import 15, also can only be provided with sender property outlet 16, certainly, also can be provided with simultaneously working medium import 15 and sender property outlet 16; And when only being provided with working medium import 15 on the first header 11, need be provided with sender property outlet 16 on the second header 12; And when only being provided with sender property outlet 16 on the first header 11, need be provided with working medium import 15 on the second header 12; When being provided with simultaneously working medium import 15 and working medium outlet pipe 16 on the first header 11, working medium import 15 or sender property outlet 16 need be set on the second header 12.
Because Teat pump boiler of the prior art only is provided with a working medium import and sender property outlet with the header of micro-channel heat exchanger, and Teat pump boiler provides cold-producing medium with whole flat tubes of micro-channel heat exchanger by same working medium import, so easily causes the refrigerant flow uneven problem that distributes.Each runner flow distribution inequality directly causes the skewness of its heat exchange cross-section temperature field, velocity field, and then causes the up and down problem of layering of water tank water temperature.
Teat pump boiler micro-channel heat exchanger provided in the present embodiment, because the first thermal insulation board 14 is divided into a plurality of parts with micro-channel heat exchanger, the micro-channel heat exchanger of each part is equipped with working medium import 15 and sender property outlet 16, cold-producing medium flows into the each several part micro-channel heat exchanger by a plurality of imports, so increased the entry perturbation of cold-producing medium, cold-producing medium can distribute more uniformly 13 of each flat tubes simultaneously, and then reduced the up and down layering of water tank water temperature, Effective Raise the heat exchange property of Teat pump boiler with micro-channel heat exchanger.
In order further to improve the uniformity that Teat pump boiler is used the distribution of refrigerant of micro-channel heat exchanger each several part, in the preferred version of this specific embodiment, the first header 11 of micro-channel heat exchanger each several part and the second header 12 also are provided with the second thermal insulation board 17 that shifts to install.
So arrange, can increase the back-haul that improves refrigerant by the second thermal insulation board 17 is set, Effective Raise the heat transfer effect of heat exchanger.
In addition, Teat pump boiler can equate with the quantity of the flat tube 13 of micro-channel heat exchanger each several part setting in this specific embodiment, certainly, also can not wait, and for example, the quantity of the flat tube 13 of the micro-channel heat exchanger setting of each several part from top to bottom increases progressively successively.The quantity of the flat tube 13 of micro-channel heat exchanger each several part can specifically be set as the case may be, and this specific embodiment is not done concrete restriction to flat tube 13 quantity of each several part.
In addition, need to prove, in this specific embodiment, the quantity of the first thermal insulation board can be specially two, certainly, also can be other quantity, such as, three, four, five etc., its concrete quantity can specifically be set as the case may be.
Above a kind of Teat pump boiler provided by the utility model is described in detail with micro-channel heat exchanger, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (5)
1. Teat pump boiler micro-channel heat exchanger, comprise the first header and the second header that is arranged at respectively its both sides and be arranged at described the first header and described the second header between and with the two flat tube that all is connected, it is characterized in that, be provided with the first thermal insulation board of blocking-up liquid stream in described the first header and the second header, described the first thermal insulation board is divided into independently part of a plurality of phases with described Teat pump boiler with micro-channel heat exchanger, and described Teat pump boiler is provided with working medium import or sender property outlet with described the first header or described second header of micro-channel heat exchanger each several part.
2. Teat pump boiler micro-channel heat exchanger as claimed in claim 1 is characterized in that, described Teat pump boiler also is provided with the second thermal insulation board that shifts to install with described the first header and described second header of micro-channel heat exchanger each several part.
3. Teat pump boiler micro-channel heat exchanger as claimed in claim 1 is characterized in that, described working medium import all is arranged at described the first header, and described sender property outlet all is arranged at described the second header.
4. Teat pump boiler micro-channel heat exchanger as claimed in claim 1 is characterized in that, the described Teat pump boiler of each several part equates with the quantity of the described flat tube that micro-channel heat exchanger arranges.
5. Teat pump boiler micro-channel heat exchanger as claimed in claim 1 is characterized in that, the described Teat pump boiler of each several part from top to bottom increases progressively successively with the quantity of the described flat tube of micro-channel heat exchanger setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303445 CN202835928U (en) | 2012-06-26 | 2012-06-26 | Microchannel heat exchanger used for heat-pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303445 CN202835928U (en) | 2012-06-26 | 2012-06-26 | Microchannel heat exchanger used for heat-pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835928U true CN202835928U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303445 Expired - Fee Related CN202835928U (en) | 2012-06-26 | 2012-06-26 | Microchannel heat exchanger used for heat-pump water heater |
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| CN (1) | CN202835928U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949318A (en) * | 2015-06-30 | 2015-09-30 | 广东美的制冷设备有限公司 | Heat exchanger, air conditioner system and heat exchange method |
| CN105674629A (en) * | 2016-04-13 | 2016-06-15 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat-pump water heater |
| CN106940087A (en) * | 2016-01-04 | 2017-07-11 | 艾欧史密斯(中国)热水器有限公司 | Teat pump boiler and water tank |
| CN107289678A (en) * | 2016-04-13 | 2017-10-24 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and Teat pump boiler |
-
2012
- 2012-06-26 CN CN 201220303445 patent/CN202835928U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949318A (en) * | 2015-06-30 | 2015-09-30 | 广东美的制冷设备有限公司 | Heat exchanger, air conditioner system and heat exchange method |
| CN104949318B (en) * | 2015-06-30 | 2017-09-22 | 广东美的制冷设备有限公司 | Heat exchanger, air-conditioning system and heat-exchange method |
| CN106940087A (en) * | 2016-01-04 | 2017-07-11 | 艾欧史密斯(中国)热水器有限公司 | Teat pump boiler and water tank |
| CN105674629A (en) * | 2016-04-13 | 2016-06-15 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat-pump water heater |
| CN107289678A (en) * | 2016-04-13 | 2017-10-24 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and Teat pump boiler |
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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: 20130327 Termination date: 20210626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |