CN203489561U - Solar hot water efficient defrosting device - Google Patents
Solar hot water efficient defrosting device Download PDFInfo
- Publication number
- CN203489561U CN203489561U CN201320632784.0U CN201320632784U CN203489561U CN 203489561 U CN203489561 U CN 203489561U CN 201320632784 U CN201320632784 U CN 201320632784U CN 203489561 U CN203489561 U CN 203489561U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- exchanger tube
- hot water
- hydrodynamic
- defrost heat
- 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
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model discloses a solar hot water efficient defrosting device which comprises a solar thermal collector, a circulating pump, a thermal storage water tank, water passing pipes, defrosting heat exchange pipes, an evaporation coil pipe, hydrodynamic pistons, a double-shaft crank and a fan. The defrosting heat exchange pipes are arranged at the front side of the evaporation coil pipe and the fan is arranged at the rear side of the evaporation coil pipe. The upper end of each defrosting heat exchange pipe is communicated with the bottom of an inner cavity of the thermal storage water tank through the corresponding water passing pipe and the lower end of each defrosting heat exchange pipe is closed. Each defrosting heat exchange pipe is provided with the corresponding hydrodynamic piston inside. The lower portion of each hydrodynamic piston is fixedly connected with the double-shaft crank. Each hydrodynamic piston can be pushed by the double-shaft crank to move vertically in the corresponding defrosting heat exchange pipe. According to the solar hot water efficient defrosting device, the efficient rapid energy-saving defrosting process can be achieved, a unit has the heating function in the defrosting process, and therefore the comfort for the indoor environment is guaranteed.
Description
[technical field]
The utility model relates to a kind of solar water Air-Cooled Heat Pump Unit defroster.
[background technology]
In the winter time, when heat pump air conditioner is made heating operation, if the surface temperature of the evaporation coil of cooling-air is during lower than the dew-point temperature of the air that is cooled, one of airborne water vapour experience is from steam to solid-state phase transition process, water vapour is deposited on heat exchanger surface with more loose ice crystal layer and forms frost layer.Along with the thickening of frost layer, the additional remarkable thermal resistance of heat exchanger increases, and heat exchanger ventilation area narrows down, and air mass flow reduces, and windage strengthens, and power of fan increases, thereby causes the leaving air temp of indoor condenser and heating capacity to reduce gradually.Regularly defrosting is the steps necessary that ensures the normal operation of Air-Cooled Heat Pump Unit.
At present conventional Defrost method is to adopt four-way change-over valve commutation reverse cycle defrosting, commutate that to make unit be refrigerating operaton state from heating operation state-transition by cross valve, evaporimeter and condenser function exchange, thus reach the object of defrosting.But there is following shortcoming in this Defrost mode:
1, from human body comfort angle, consider, during defrosting, will in room, absorb heat, indoor temperature can reduce by 5 ℃～6 ℃, affects indoor comfortableness.
2, switch while heating with defrosting mode, system pressure fluctuation is violent, and generation mechanical shock is larger.
While 3, defrosting, indoor heat exchanger is as evaporimeter, and surface temperature is low reaches-20 ℃～-25 ℃, and after recovery heats, longer a period of time can not blown hot blast.
4, inverse defrosting is for avoiding above situation, and being everlasting defrosting starts front compressor to be stopped about 5 minutes, and defrosting finishes to stop 5 minutes again, though avoided like this pressure oscillation, also shortened the time heating simultaneously, aggravated fluctuating temperature, compressor needs frequent starting, affects the compressor life-span.
Above-mentioned shortcoming makes the comfortableness of indoor environment and the reliability of equipment be subject to negative effect largely.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes the efficient defrosting device of a kind of solar water, both can shorten defrosting time, improves defrosting effect, the comfortableness of improving indoor environment that again can be larger.
For achieving the above object, the efficient defrosting device of solar water the utility model proposes, comprise solar thermal collector, circulating pump, hot water storage tank, cross water pipe, defrost heat exchanger tube, evaporation coil, hydrodynamic(al) piston, twin shaft curved bar, blower fan, one side of described hot water storage tank is connected with the entrance of circulating pump, circulation delivery side of pump is connected with the arrival end of solar thermal collector, and too the port of export of heat energy heat collector is connected with a side of hot water storage tank; The front side of described evaporation coil arranges some defrost heat exchanger tubes, the rear side of evaporation coil is provided with blower fan, the upper end of defrost heat exchanger tube is connected with the intracavity bottom of hot water storage tank by crossing water pipe, the lower end closed of defrost heat exchanger tube, hydrodynamic(al) piston is installed in defrost heat exchanger tube, the bottom of hydrodynamic(al) piston is fixedly connected with twin shaft curved bar, and hydrodynamic(al) piston can move up and down under the promotion of twin shaft curved bar in defrost heat exchanger tube.
Further, described defrost heat exchanger tube adopts at least three, and all defrost heat exchanger tube parallel equidistant distribute, and the volume sum of all defrost heat exchanger tubes is more than or equal to the volume of hot water storage tank.According to the needs of defrost, the caliber of defrost heat exchanger tube is larger, and the volume of all defrost heat exchanger tubes should hold the hot water amount in lower hot water storage tank.
Further, the outside of described defrost heat exchanger tube is provided with annular fin, in order to increase heat transfer effect, reduce blower fan resistance simultaneously, annular fin is made in defrost heat exchanger tube outside, has reduced the volume of defrost heat exchanger tube, thereby reach the object that reduces blower fan resistance when strengthening heat exchange.
Further, the lower surface of described hydrodynamic(al) piston is fixed and is connected by Welding Structure with the upper end of twin shaft curved bar, between the inwall of the outward flange of hydrodynamic(al) piston and defrost heat exchanger tube, be provided with sealing ring, epicoele and the cavity of resorption sealing of the defrost heat exchanger tube that hydrodynamic(al) piston is separated out are cut off, guarantee heat transfer space except with cross cross current relative seal.
Further, between the described upper end of crossing water pipe and hot water storage tank, by Welding Structure, be fixedly connected with, between the lower end of crossing water pipe and defrost heat exchanger tube, by Welding Structure, be fixedly connected with, simple in structure, easy to process, good connecting effect.
Further, the described internal diameter of crossing water pipe is less than the internal diameter of defrost heat exchanger tube, and for reducing the thermal loss in water pipe, the caliber of crossing water pipe is smaller.
Further, the described outer wall of crossing water pipe is provided with heat-insulation layer, and the outer wall of hot water storage tank is provided with water tank rubber and plastic flaggy, and heat-insulation layer and water tank rubber and plastic flaggy can be incubated crossing water pipe and hot water storage tank respectively, reduce thermal loss.
The beneficial effects of the utility model: the alternative existing air-conditioning defrosting device of the utility model, realize efficient, quick, energy-conservation defrost process, this device is when having defrosting to need, hydrodynamic(al) piston moves down, hot water in hot water storage tank enters and in defrost heat exchanger tube, carries out exchange heat, hot-air is inhaled to pervaporation coil pipe under the effect of blower fan, reached the object of defrost; In defrosting, unit still has the function heating, thereby can guarantee the comfortableness of indoor environment.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the efficient defrosting device of the utility model solar water.
Fig. 2 is the generalized section of the efficient defrosting device of the utility model solar water.
In figure, 1-solar thermal collector, 2-circulating pump, 3-hot water storage tank, 4-cross water pipe, 5-defrost heat exchanger tube, 6-evaporation coil, 7-hydrodynamic(al) piston, 8-twin shaft curved bar, 9-blower fan, 10-annular fin.
[specific embodiment]
Consult Fig. 1, Fig. 2, the efficient defrosting device of solar water, comprises solar thermal collector 1, circulating pump 2, hot water storage tank 3, crosses water pipe 4, defrost heat exchanger tube 5, evaporation coil 6, hydrodynamic(al) piston 7, twin shaft curved bar 8, blower fan 9.Described evaporation coil 6 front sides arrange row's defrost heat exchanger tube 5, and the hot water in defrost heat exchanger tube 5 promotes hydrodynamic(al) piston 7 and moves up and down under the effect of twin shaft curved bar 8, and the upper end of defrost heat exchanger tube 5 is connected with the bottom of hot water storage tank 3 by crossing water pipe 4; One side of hot water storage tank 3 is connected with the entrance of circulating pump 2, and the outlet of circulating pump 2 is connected with the arrival end of solar thermal collector 1, and too the port of export of heat energy heat collector 1 is connected with hot water storage tank 3 opposite sides; Blower fan 9 is arranged on the rear side of evaporation coil 6.
According to the needs of defrost, the caliber of defrost heat exchanger tube 5 is larger, and the volume of all defrost heat exchanger tubes 5 should hold the hot water amount in lower hot water storage tank 3; In order to increase heat transfer effect, reduce blower fan 9 resistances simultaneously, annular fin 10 is made in defrost heat exchanger tube 5 outsides, has reduced the volume of defrost heat exchanger tube 5, thereby reach the object that reduces blower fan 9 resistances when strengthening heat exchange.
Hydrodynamic(al) piston 7 is fixed and is connected with twin shaft curved bar 8 upper ends by the mode of welding, and hydrodynamic(al) piston 7 edges arrange sealing ring with the position that defrost heat exchanger tube 5 inwalls contact, and guarantees the relative seal of heat transfer space except being communicated with mistake water pipe 4.
The both sides up and down of crossing water pipe 4 are connected with the upper end of defrost heat exchanger tube 5 with hot water storage tank 3 bottoms respectively by the mode of welding; For reducing the thermal loss in water pipe 4, the caliber of crossing water pipe 4 is smaller, and will be incubated with insulation material on outer wall.
The volume of hot water storage tank 3 will meet the hot water amount's who stores air-conditioning defrost needs needs, and hot water storage tank 3 outer walls will be incubated by water tank rubber and plastic boards, reduces the thermal loss in hot water storage tank.
Cold-producing medium carries out cycle heat exchange in evaporation coil 6, when too low need to the defrosting of surface temperature of evaporation coil 6, by automaton, send instruction, promoting twin shaft curved bar 8 drives hydrodynamic(al) piston 7 to move down, make to be stored in hot water in hot water storage tank 3 by crossing water pipe 4 and enter and being full of defrost heat exchanger tube 5, hot water generation exchange heat in defrost heat exchanger tube 5, by heat loss in surrounding air, under the swabbing action of blower fan 9, hot-air, through evaporation coil 6, is removed the frost on evaporation coil 6 surfaces; After defrosting finishes, automaton can send instruction again, promoting twin shaft curved bar 8 drives hydrodynamic(al) piston 7 to move up, hot water after heat exchange is pushed in hot water storage tank 3 by crossing water pipe 4, by circulating pump 2, water being sent into solar thermal collector 1 again heats, reach and enter hot water storage tank 3 after temperature requirement and store, in order to defrost, use.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (7)
1. the efficient defrosting device of solar water, it is characterized in that: comprise solar thermal collector (1), circulating pump (2), hot water storage tank (3), cross water pipe (4), defrost heat exchanger tube (5), evaporation coil (6), hydrodynamic(al) piston (7), twin shaft curved bar (8), blower fan (9), one side of described hot water storage tank (3) is connected with the entrance of circulating pump (2), the outlet of circulating pump (2) is connected with the arrival end of solar thermal collector (1), and too the port of export of heat energy heat collector (1) is connected with a side of hot water storage tank (3); The front side of described evaporation coil (6) arranges some defrost heat exchanger tubes (5), the rear side of evaporation coil (6) is provided with blower fan (9), the upper end of defrost heat exchanger tube (5) was passed through water pipe (4) and was connected with the intracavity bottom of hot water storage tank (3), the lower end closed of defrost heat exchanger tube (5), hydrodynamic(al) piston (7) is installed in defrost heat exchanger tube (5), the bottom of hydrodynamic(al) piston (7) is fixedly connected with twin shaft curved bar (8), and hydrodynamic(al) piston (7) can move up and down under the promotion of twin shaft curved bar (8) in defrost heat exchanger tube (5).
2. the efficient defrosting device of solar water as claimed in claim 1, it is characterized in that: described defrost heat exchanger tube (5) adopts at least three, all defrost heat exchanger tubes (5) parallel equidistant distributes, and the volume sum of all defrost heat exchanger tubes (5) is more than or equal to the volume of hot water storage tank (3).
3. the efficient defrosting device of solar water as claimed in claim 2, is characterized in that: the outside of described defrost heat exchanger tube (5) is provided with annular fin (10).
4. the efficient defrosting device of solar water as claimed in claim 1, it is characterized in that: the lower surface of described hydrodynamic(al) piston (7) is fixed and is connected by Welding Structure with the upper end of twin shaft curved bar (8), between the inwall of the outward flange of hydrodynamic(al) piston (7) and defrost heat exchanger tube (5), be provided with sealing ring, the epicoele of the defrost heat exchanger tube (5) that hydrodynamic(al) piston (7) is separated out and cavity of resorption sealing are cut off.
5. the efficient defrosting device of solar water as claimed in claim 1, it is characterized in that: between the described upper end of crossing water pipe (4) and hot water storage tank (3), by Welding Structure, be fixedly connected with, between the lower end of mistake water pipe (4) and defrost heat exchanger tube (5), by Welding Structure, be fixedly connected with.
6. the efficient defrosting device of solar water as claimed in claim 1, is characterized in that: the described internal diameter of crossing water pipe (4) is less than the internal diameter of defrost heat exchanger tube (5).
7. the efficient defrosting device of the solar water as described in any one in claim 1 to 6, is characterized in that: the described outer wall of crossing water pipe (4) is provided with heat-insulation layer, and the outer wall of hot water storage tank (3) is provided with water tank rubber and plastic flaggy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632784.0U CN203489561U (en) | 2013-10-14 | 2013-10-14 | Solar hot water efficient defrosting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632784.0U CN203489561U (en) | 2013-10-14 | 2013-10-14 | Solar hot water efficient defrosting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203489561U true CN203489561U (en) | 2014-03-19 |
Family
ID=50260387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320632784.0U Expired - Fee Related CN203489561U (en) | 2013-10-14 | 2013-10-14 | Solar hot water efficient defrosting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203489561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557650A (en) * | 2013-10-14 | 2014-02-05 | 浙江理工大学 | Efficient defrosting device for solar hot water |
| CN107314570A (en) * | 2017-06-28 | 2017-11-03 | 上海交通大学 | Solar energy high-temperature phase-change Large Copacity heat accumulation air source heat pump system and its Defrost method |
-
2013
- 2013-10-14 CN CN201320632784.0U patent/CN203489561U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557650A (en) * | 2013-10-14 | 2014-02-05 | 浙江理工大学 | Efficient defrosting device for solar hot water |
| CN103557650B (en) * | 2013-10-14 | 2016-04-13 | 浙江理工大学 | The efficient defrosting device of solar water |
| CN107314570A (en) * | 2017-06-28 | 2017-11-03 | 上海交通大学 | Solar energy high-temperature phase-change Large Copacity heat accumulation air source heat pump system and its Defrost method |
| CN107314570B (en) * | 2017-06-28 | 2021-04-02 | 上海交通大学 | Solar high-temperature phase-change high-capacity heat storage air source heat pump system and defrosting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203869369U (en) | Cooling and heating combined unit | |
| CN103712401A (en) | Defrosting system and refrigerator with same | |
| CN103940164B (en) | A kind of solution spraying formula Frostless air-source heat pump device | |
| CN107975887A (en) | A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting | |
| CN107940677A (en) | A kind of control method and device for slowing down air-conditioner outdoor unit frosting | |
| CN104913538A (en) | Greenhouse air temperature adjusting system and adjusting method | |
| CN205747589U (en) | A kind of heat-exchange system and there is the heat pump of defrosting function | |
| CN101338958B (en) | Air conditioner heat exchange type condensator and spray evaporative cooling system | |
| CN203489561U (en) | Solar hot water efficient defrosting device | |
| CN203671820U (en) | Air source integrated central air conditioner | |
| CN203258781U (en) | Solar air conditioning system | |
| CN103557650B (en) | The efficient defrosting device of solar water | |
| CN203349414U (en) | Air conditioner system | |
| CN105333543A (en) | Multifunctional central air-conditioning system and running control method thereof | |
| CN204535158U (en) | A kind of for solar water heater new heat pipe defroster | |
| CN204240516U (en) | A kind ofly utilize the frostless heat pump air conditioner of the solution dehumidification of solar energy desorb | |
| CN203785319U (en) | Solar energy combined integrated heating and cooling system for country | |
| CN202328909U (en) | Frostless air source heat pump | |
| CN203704501U (en) | Defrosting system and refrigerator provided with defrosting system | |
| CN202675742U (en) | Photo-thermal coupling double-heat source evaporator | |
| CN205383780U (en) | Air that defrosting reliability is high can water heater | |
| CN204513710U (en) | A kind of energy-saving low-temperature air cleaning and conditioning system | |
| CN205037567U (en) | Self -heating cooperative -defrosting air source heat pump water heater | |
| CN204593693U (en) | A kind of solar integration air-conditioner | |
| CN204880841U (en) | Prevent air conditioning unit that frosts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20141014 |
|
| EXPY | Termination of patent right or utility model |