CN203880857U - Oscillating heat pipe type phase change heat storage defrosting air conditioner - Google Patents
Oscillating heat pipe type phase change heat storage defrosting air conditioner Download PDFInfo
- Publication number
- CN203880857U CN203880857U CN201420247884.6U CN201420247884U CN203880857U CN 203880857 U CN203880857 U CN 203880857U CN 201420247884 U CN201420247884 U CN 201420247884U CN 203880857 U CN203880857 U CN 203880857U
- Authority
- CN
- China
- Prior art keywords
- heat
- oscillating
- phase change
- pipe
- heat pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model provides an oscillating heat pipe type phase change heat storage defrosting air conditioner which comprises an air source heat pump air conditioning system. An indoor condenser, a compressor, an outdoor evaporator and a refrigerant throttling device are connected in sequence to form a circulation loop. The oscillating heat pipe type phase change heat storage defrosting air conditioner further comprises an indoor phase change heat accumulator and an oscillating heat pipe heat exchanger, the indoor phase change heat accumulator is of a hollow pipe shell type, and the inner portion of the pipe shell is filled with phase change heat storage materials. The phase change heat accumulator is divided into a heat storage section and a heat releasing section, the heat storage section is arranged above a cylinder body and an exhaust pipe of the compressor, the heat releasing section is located above the heat storage section. An evaporation section of an oscillating heat pipe is inserted into the heat releasing section, and a condensation section of the oscillating heat pipe is arranged inside the outdoor evaporator. According to the oscillating heat pipe type phase change heat storage defrosting air conditioner, heat is stored through the phase change heat accumulator, indoor primary return air, waste heat of the cylinder body and the exhausting pipe of the compressor and other forms of low-grade heat energy serve as heat sources, the oscillating heat pipe serves as a heat conduction element, and the problems that the air conditioner needs to be stopped frequently and high grade heat energy needs to be used when defrosting is carried out on the air conditioner in winter are solved.
Description
Technical field
The utility model relates to air-conditioning technical field, relates in particular to a kind of defrosting aircondition based on phase change heat accumulator, heat pipe.
Background technology
Taking air source heat pump air-conditioner as example, when heating condition, its off-premises station temperature of outgoing air often can be lower than outdoor environment dew-point temperature in the winter time, and therefore the steam in environment can and even freeze in the frosting of off-premises station coil pipe, dewfall.The frosting of off-premises station surface exchanger, will cause reducing of gas channel between fin, increases the heat transfer resistance of heat exchanger, has greatly affected the normal operation of air conditioner, and its performance is worsened.Therefore, the defrosting of air-conditioner outdoor unit is necessary in the winter time.
Current widely used air-conditioner defrosting method mainly contains two kinds: one is to use four-way change-over valve, makes unit according to contrary Carnot cycle operation, and off-premises station converts condenser to, indoor set transfers evaporimeter to, the condenser distribute heat frost layer that melts away, the method is simple to operate, but its shortcoming is obvious.Such as in the time defrosting, the method will be suspended to indoor heating, and consume indoor sensible heat; Another kind is the method that adopts hot-gas bypass, consumes the cold-producing medium heat for indoor heating originally, delivers to off-premises station defrosting.The method can realize defrosting needs completely, but has consumed the high-grade heat energy that electric energy makes, and has reduced indoor heating amount, will cause the decline of Air Conditioner Performance and indoor comfort degree.
Summary of the invention
It is a kind of by phase change heat accumulator accumulation of heat that the utility model is intended to provide; taking low grade heat energies such as indoor primary retirn air and compressor casing waste heats as thermal source; taking oscillating heat pipe as heat conducting element; with the device that solves the outer machine frost of outdoor air conditioner in winter, this device needs frequent shutdown and uses the problem of high-grade heat energy can effectively solve winter air-conditioning defrosting time.
The technical scheme that the utility model adopts is:
A kind of oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning, comprise air-source heat pump air conditioning system, air-source heat pump air conditioning system is in turn connected to form closed circuit by indoor condenser, compressor, outdoor evaporimeter and cold-producing medium throttling arrangement, defrosting air-conditioning also comprises indoor phase change heat accumulator and oscillating heat pipe heat exchanger, indoor phase change heat accumulator is hollow tube shell-type, and its shell inside is filled with phase change heat storage material; Described phase change heat accumulator is divided into heat accumulating sections and heat release section, heat accumulating sections is placed on cylinder body and the blast pipe top of compressor, the top of heat accumulating sections is heat release section, and the evaporator section of oscillating heat pipe is inserted in the inside of heat release section, and the condensation segment of oscillating heat pipe is arranged in outdoor evaporimeter inside.
On the shell of described heat accumulating sections, establish thermofin, the top of heat release section has heat release port, inserts for oscillating heat pipe evaporator section.
Described phase change heat accumulator is connected with controller, and outdoor evaporimeter is provided with temperature sensor.
The evaporator section of described oscillating heat pipe is set to single port, and the condensation segment of oscillating heat pipe is set to many condensations port, and many condensations port inserts the coil pipe outer surface in outdoor evaporimeter.
Described phase change heat storage material is paraffin.
The utility model principle: taking phase change heat accumulator as accumulation of heat original paper, reclaim indoor and compressor low grade heat energy, by many condensation segments oscillating heat pipe, this heat is reached to air-conditioner outdoor unit, whereby the frosting of heat thawing or prevention air-conditioning system condenser coil and fin, freezing.Complete defrost process, in this process except utilizing the waste heat of compressor can also play the function of part cooling compressor, extension device service life.
The utility model compared with prior art, has following beneficial effect:
(1) adopt many condensation segments oscillating heat pipe, its working mechanism is different from general heat pipe, working media in pipe is because the reasons such as boiling, condensation, surface tension, pressure form vapour-liquid bolt vibration two-phase and circulate, and the capacity of heat transmission can reach the decades of times of existing metal material.Oscillating heat pipe, compared with general heat pipe, has the advantages such as simple in structure, volume is little, cost is low, thermal response is fast, and heat transfer property is better, and adaptability is stronger, feature that can be according to requirements bending.So, be set up and can have more flexibility at heat exchanger cloth.
(2) phase change heat accumulator of setting up, avoids prior art that it is directly connected on and is heated on pipeline, directly uses the feature of the high-grade heat energy that electric energy makes., to reclaim the heat energy as leading taking the poor return air of hot experience effect and compressor circuit natural heat dissipation, be mainly the recycling of low grade heat energy.To a certain extent, be the energy consumption that has reduced defrosting.
(3) phase change heat accumulator and oscillating heat pipe are combined to use, before avoiding, single device is in constructional inconvenience and defect.
(4) avoid in the time using the defrosting of the technology such as hot-gas bypass, contrary Carnot cycle (four-way change-over valve), need operating characteristic frequent shutdown or waste heating load.When heat supply, can effectively improve indoor thermal comfort degree in the winter time.
(5) the utility model uses phase change heat accumulator and oscillating heat pipe, reclaims low grade heat energy, is a kind of effectively energy saving means, has the advantages of simple of setting up, and cost of manufacture is low, and energy-saving effect is obvious, plant automation degree high.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is that model machine of the present utility model is arranged schematic diagram;
Fig. 3 is many condensation segments oscillating heat pipe structure chart;
Fig. 4 is phase change heat accumulator structure chart.
Detailed description of the invention
Now just diagram illustrates this utility model embodiment.
As shown in Figure 1, a kind of oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning, the evaporator section 4 and the condensation segment 2 that comprise conventional air source heat pump air-conditioner, hollow tube shell-type phase change heat accumulator 5, oscillating heat pipe heat exchanger, above device forms air-treatment section, low grade heat energy exhausting section and the defrosting active section of this defrosting air-conditioning.
Described conventional air source heat pump air-conditioner comprises indoor set (condenser) 7, off-premises station (evaporimeter) 3, choke valve 1, compressor 6, blower fan 8.In system, fill working medium (cold-producing medium), under the condition of doing work at compressor 6, working medium completes circulation by condenser through flow throttle valve 1, evaporimeter, compressor 6, and cold-producing medium is in the interior condensation heat release of indoor set 7, and institute's thermal discharge is indoor heating amount.Cold-producing medium absorbs heat in off-premises station 3 evaporations.Complete indoor heating process by above device, be air-treatment section.
Under air conditioner winter heating operating mode, in the time that the higher nothing defrosting of outdoor environment temperature needs, phase change heat accumulator 5 reclaims compressor 6 waste heats, stores with to be used, in the time that heat reaches certain value, the Volume Changes of phase change heat accumulator 5 interior phase-change materials starts oscillating heat pipe operation.Heat is reached off-premises station 3 by heat pipe, by with the fitting tightly of aluminum fin and copper coil pipe, improve air-conditioner evaporating temperature, thereby improve working condition, improve itself performance.It is an energy saving means.
Under air conditioner winter heating operating mode, there is defrosting while needing when outdoor environment temperature is lower, temperature sensor (diagram does not mark) on off-premises station 3, obtain environment temperature, transfer data to control system, phase change heat accumulator 5 reclaims compressor 6 cylinder body waste heats, indoor primary retirn air waste heat, oscillating heat pipe starts, continuous service, transfers to off-premises station 3 by heat, carries out defrosting work.The method has been guaranteed, in the time that air-conditioner has defrosting to need, heats the continuous service of working condition, to indoor continuous heat supply.
As shown in Figure 2, air-conditioner is generally chosen for floor air conditioner, and indoor set (condenser) 7 is high-order to be arranged, compressor 6 and off-premises station (evaporimeter) 3 low positions are room body of wall 9 between compressor 6 and evaporimeter.Described phase change heat accumulator 5 is the moulding of hollow cylinder body, keeps certain distance with compressor 6, is laminating shape.Method reclaims compressor casing, discharge duct waste heat thus.Many condensation segments oscillating heat pipe is connected with condenser through body of wall and phase change heat accumulator 5.
As shown in Figure 3, for many condensation segments oscillating heat pipe, comprise evaporator section 4 and the condensation segment 2 of oscillating heat pipe, evaporator section is inserted to phase change heat accumulator 4 heat release section, in the time that heat-storing material holds full heat or has defrosting demand, evaporator section absorbs internal heat, through the Working fluid flow in oscillating heat pipe, heat is conducted to condensation segment 2, in exothermic process, complete air-conditioner defrosting.This structure takes into full account the structure of condenser and phase change heat accumulator 5, according to the flexible characteristic of oscillating heat pipe, the evaporator section of oscillating heat pipe 4 is set to single port, condensation segment 2 is arranged as to many condensations port, be inserted into coil pipe outer surface, when itself and fin are fitted, have larger heat transfer area, realize coil pipe, the outer fin of coil pipe, heat pipe condenser section seamless applying, completes winter air-conditioning defrost process whereby.
As shown in Figure 4, be phase change heat accumulator 5 semi-section top views, single unit system is divided into heat accumulating sections and heat release section.Its accumulation of heat is placed on to the cylinder body of compressor 6 and above blast pipe, working medium heat and compressor casing waste heat in recovery tube, accumulation of heat end outer pipe shell arranges certain heat exchange fin (diagram does not draw), room conditioning primary retirn air, through stream fin, reclaims indoor section hot body and tests poor low grade heat energy.Phase change heat accumulator 5, taking compressor 6 cylinder body waste heats, discharge duct 11 heat radiations as main recycle object, is established heat release section in heat accumulating sections, and heat release section top has heat release port, its inner evaporator section 4 that inserts oscillating heat pipe.In figure, shown in dotted line, be the phase-change material 10 of filling, as preferably, phase-change material 10 is chosen for paraffin.
Phase change heat accumulator 5 thermal storage defrostings can adopt temperature control means, set up control panel.Workflow is, in the time that indoor temperature is comparatively comfortable or produce waste heat, the phase-change material 10 of phase change heat accumulator 5 by a part of heat by solid---liquid phase becomes and stores. in the time that off-premises station 3 has defrosting demand, pass through liquid by phase-change material 10 in electric controller control storage heater---solid phase change discharges the heat energy of storage before, passes to oscillating heat pipe.Oscillating heat pipe reaches heat off-premises station fin again, completes defrosting work.
A kind of oscillating heat pipe formula of the utility model phase-transition heat-storage defrosting air-conditioning both can independently be manufactured, and can, using the recuperation of heat scheme of phase change heat accumulator and oscillating heat pipe composition as module, be retrofitted on existing air conditioner again.
Can point out; for application those skilled in the art; do not departing under the prerequisite of structure of the present utility model; can also make some improvement; these improvement also should be considered as protection domain of the present utility model, and each component not clear and definite in this example all can be realized by prior art.
Claims (5)
1. an oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning, comprise air-source heat pump air conditioning system, air-source heat pump air conditioning system is in turn connected to form closed circuit by indoor condenser, compressor, outdoor evaporimeter and cold-producing medium throttling arrangement, it is characterized in that, defrosting air-conditioning also comprises indoor phase change heat accumulator and oscillating heat pipe heat exchanger, indoor phase change heat accumulator is hollow tube shell-type, and its shell inside is filled with phase change heat storage material; Described phase change heat accumulator is divided into heat accumulating sections and heat release section, heat accumulating sections is placed on cylinder body and the blast pipe top of compressor, the top of heat accumulating sections is heat release section, and the evaporator section of oscillating heat pipe is inserted in the inside of heat release section, and the condensation segment of oscillating heat pipe is arranged in outdoor evaporimeter inside.
2. a kind of oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning according to claim 1, is characterized in that, on the shell of described heat accumulating sections, establish thermofin, the top of heat release section has heat release port, inserts for oscillating heat pipe evaporator section.
3. a kind of oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning according to claim 1, is characterized in that, described phase change heat accumulator is connected with controller, and outdoor evaporimeter is provided with temperature sensor.
4. according to a kind of oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning one of claims 1 to 3 Suo Shu, it is characterized in that, the evaporator section of described oscillating heat pipe is set to single port, and the condensation segment of oscillating heat pipe is set to many condensations port, and many condensations port inserts the coil pipe outer surface in outdoor evaporimeter.
5. a kind of oscillating heat pipe formula phase-transition heat-storage defrosting air-conditioning according to claim 4, is characterized in that, described phase change heat storage material is paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247884.6U CN203880857U (en) | 2014-05-14 | 2014-05-14 | Oscillating heat pipe type phase change heat storage defrosting air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247884.6U CN203880857U (en) | 2014-05-14 | 2014-05-14 | Oscillating heat pipe type phase change heat storage defrosting air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880857U true CN203880857U (en) | 2014-10-15 |
Family
ID=51681346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420247884.6U Expired - Fee Related CN203880857U (en) | 2014-05-14 | 2014-05-14 | Oscillating heat pipe type phase change heat storage defrosting air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203880857U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697276A (en) * | 2015-01-15 | 2015-06-10 | 合肥工业大学 | Air-cooled type refrigerator with heat pipe type heat storage and frost removal mechanism |
| CN105045311A (en) * | 2015-08-03 | 2015-11-11 | 华中科技大学 | Temperature control system based on controllable heat pipe |
| CN106642853A (en) * | 2015-11-02 | 2017-05-10 | 杭州三花家电热管理系统有限公司 | Water heater system and heat exchange method of water heater system |
| CN107606844A (en) * | 2017-08-18 | 2018-01-19 | 青岛海尔股份有限公司 | Refrigerator |
| CN107975887A (en) * | 2017-10-31 | 2018-05-01 | 青岛海尔空调器有限总公司 | A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting |
| CN108151363A (en) * | 2018-02-05 | 2018-06-12 | 徐生恒 | Round-the-clock air energy thermal pump air conditioner system |
| CN110775021A (en) * | 2019-10-12 | 2020-02-11 | 南京师范大学 | Pure electric bus defroster and working method thereof |
| CN110953654A (en) * | 2019-12-26 | 2020-04-03 | 中铁第四勘察设计院集团有限公司 | Outdoor unit and composite heat pump system |
| CN111121137A (en) * | 2020-01-06 | 2020-05-08 | 中国科学院广州能源研究所 | Novel air source heat pump system and control method thereof |
| CN111271796A (en) * | 2020-03-26 | 2020-06-12 | 宁波奥克斯电气股份有限公司 | Air conditioner and defrosting control method and device thereof |
| CN112781180A (en) * | 2021-02-09 | 2021-05-11 | 珠海格力电器股份有限公司 | Heat exchange device, air conditioner and control method of heat exchange device |
| CN114061176A (en) * | 2020-07-31 | 2022-02-18 | 上海海立电器有限公司 | Refrigeration system and defrosting control method thereof |
| CN114383188A (en) * | 2022-03-24 | 2022-04-22 | 煤炭工业太原设计研究院集团有限公司 | Solar photo-thermal loop heat pipe air-conditioning heating system and control method thereof |
-
2014
- 2014-05-14 CN CN201420247884.6U patent/CN203880857U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697276B (en) * | 2015-01-15 | 2016-09-07 | 合肥工业大学 | There is the air cooling type refrigerator of heat pipe type thermal storage defrosting mechanism |
| CN104697276A (en) * | 2015-01-15 | 2015-06-10 | 合肥工业大学 | Air-cooled type refrigerator with heat pipe type heat storage and frost removal mechanism |
| CN105045311A (en) * | 2015-08-03 | 2015-11-11 | 华中科技大学 | Temperature control system based on controllable heat pipe |
| CN105045311B (en) * | 2015-08-03 | 2017-06-27 | 华中科技大学 | A kind of temperature control system based on controllable heat pipe |
| CN106642853A (en) * | 2015-11-02 | 2017-05-10 | 杭州三花家电热管理系统有限公司 | Water heater system and heat exchange method of water heater system |
| CN107606844B (en) * | 2017-08-18 | 2022-01-25 | 海尔智家股份有限公司 | Refrigerator with a door |
| CN107606844A (en) * | 2017-08-18 | 2018-01-19 | 青岛海尔股份有限公司 | Refrigerator |
| CN107975887A (en) * | 2017-10-31 | 2018-05-01 | 青岛海尔空调器有限总公司 | A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting |
| CN108151363A (en) * | 2018-02-05 | 2018-06-12 | 徐生恒 | Round-the-clock air energy thermal pump air conditioner system |
| CN110775021A (en) * | 2019-10-12 | 2020-02-11 | 南京师范大学 | Pure electric bus defroster and working method thereof |
| CN110953654A (en) * | 2019-12-26 | 2020-04-03 | 中铁第四勘察设计院集团有限公司 | Outdoor unit and composite heat pump system |
| CN111121137A (en) * | 2020-01-06 | 2020-05-08 | 中国科学院广州能源研究所 | Novel air source heat pump system and control method thereof |
| CN111271796A (en) * | 2020-03-26 | 2020-06-12 | 宁波奥克斯电气股份有限公司 | Air conditioner and defrosting control method and device thereof |
| CN111271796B (en) * | 2020-03-26 | 2024-02-09 | 宁波奥克斯电气股份有限公司 | Air conditioner and defrosting control method and device thereof |
| CN114061176A (en) * | 2020-07-31 | 2022-02-18 | 上海海立电器有限公司 | Refrigeration system and defrosting control method thereof |
| CN112781180A (en) * | 2021-02-09 | 2021-05-11 | 珠海格力电器股份有限公司 | Heat exchange device, air conditioner and control method of heat exchange device |
| CN112781180B (en) * | 2021-02-09 | 2021-11-16 | 珠海格力电器股份有限公司 | Heat exchange device, air conditioner and control method of heat exchange device |
| CN114383188A (en) * | 2022-03-24 | 2022-04-22 | 煤炭工业太原设计研究院集团有限公司 | Solar photo-thermal loop heat pipe air-conditioning heating system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203880857U (en) | Oscillating heat pipe type phase change heat storage defrosting air conditioner | |
| CN103574987B (en) | Cold and hot multi-functional economizer system | |
| CN108826536A (en) | The air conditioner unit of not stopping function is heated with defrosting | |
| CN109028650A (en) | A kind of multi-gang air-conditioner hot water integrated machine | |
| CN206274211U (en) | Heat accumulating type air-source heat pump air conditioning system and the air-conditioning comprising it | |
| CN203857622U (en) | Air conditioning system provided with compressor and waste heat recovery and defrosting device | |
| CN104567074A (en) | Air conditioning cycle device and control method thereof | |
| CN203869369U (en) | Cooling and heating combined unit | |
| CN107178924A (en) | A kind of accumulation of heat is not shut down except defrosting system and air-conditioning | |
| CN206269278U (en) | Air-source heat pump air conditioning system and the air-conditioning comprising it | |
| CN206094634U (en) | One drags two air conditioning system | |
| CN101699196A (en) | Air-cooling heat pump using excess heat of compressor for frost prevention | |
| CN104110920A (en) | Air-source heat pump system for recycling waste heat of compressor | |
| CN101216225A (en) | Double temperature cold water/cold air unit | |
| CN103175354A (en) | Thermal storage phase change defrosting device | |
| CN201363859Y (en) | Air conditioning unit | |
| CN205747589U (en) | A kind of heat-exchange system and there is the heat pump of defrosting function | |
| CN106352588A (en) | Air-conditioning system and control method thereof | |
| CN104567075A (en) | Air conditioning cycle device and control method thereof | |
| CN202350223U (en) | Air conditioner and heat pipe all-in-one machine of engine room | |
| CN103673116B (en) | A kind of energy-storage type fluorine pump heat pipe system and control method thereof | |
| CN107741102A (en) | A kind of heat pump apparatus of air source with the annual operation of heat-pipe radiator | |
| CN203671820U (en) | Air source integrated central air conditioner | |
| CN106288487A (en) | One drags many air-conditionings and control method thereof | |
| CN103499163A (en) | Direct expansion type solar heat pump air conditioning system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20170514 |