CN106766436A - The defroster and its Defrost method of air-source water heater - Google Patents
The defroster and its Defrost method of air-source water heater Download PDFInfo
- Publication number
- CN106766436A CN106766436A CN201611238621.9A CN201611238621A CN106766436A CN 106766436 A CN106766436 A CN 106766436A CN 201611238621 A CN201611238621 A CN 201611238621A CN 106766436 A CN106766436 A CN 106766436A
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- China
- Prior art keywords
- temperature
- evaporator
- temperature sensor
- heater
- water tank
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract description 2
- 230000004069 differentiation Effects 0.000 abstract 1
- 210000001736 capillary Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
A kind of defroster of air-source water heater, belong to air-source water heater Defrost technology field, including compressor, condenser and evaporator, one end of compressor is connected by blast pipe with condenser, condenser connects drain pipe, drain pipe connects evaporator, evaporator is connected by low-voltage tube with compressor, infrared heater is provided with drain pipe between condenser and evaporator, infrared heater connects control panel, control panel JA(junction ambient) temperature sensor, water tank temperature sensor, muffler temperature sensor and evaporator temperature sensor, environment temperature sensor is arranged on the outside of whole defroster, water tank temperature sensor is arranged in water tank, muffler temperature sensor is arranged in the muffler of compressor, evaporator temperature sensor is arranged in evaporator, control panel is internally provided with control chip.By the real-time sampling to multiple temperature signals and differentiation, precise control defrost enters state and done state to the present invention, and defrost effect is good.
Description
Technical field
The present invention relates to a kind of defroster, the defroster of more particularly to a kind of air-source water heater and its defrosting side
Method, belongs to air-source water heater Defrost technology field.
Background technology
Air energy heat pump water heater runs under low-temperature condition and heats, and outdoor running environment is severe, when outdoor heat exchanger (system
Playing evaporator when hot), less than air dew point temperature and during less than 0 DEG C, outdoor heat exchanger surface can frosting, shadow for surface temperature
Heating effect and operation are rung, frost is more complicated with the formation of ice and influence factor, the heat transfer on frosting under normal pressure both at home and abroad is passed
The research of matter performance has compared many.
At present, domestic heat pump Defrost mode mainly has following several ways：Hot gas bypass defrosting, electrical heating
Frost, naturally shutdown defrost, four-way valve commutation defrost etc..Wherein four-way valve commutation defrost technology is that system is commutated using four-way valve
Function, exchanges evaporator and condenser, and so, system can just absorb heat from hot water, together with the input work of compressor
Rate, together for the defrost of evaporator.
Four-way valve defrosting mode is rational comparing, but the vast ground of China is wide, and from south to north, region is complicated, environment pole
It is complexity, identical is set, and cold or more dry area can then monitor bad, frostless defrost, waste electric energy.
Humid Area high, frost layer is abundant, and frosting is rapid, causes air mass flow to reduce, so as to increase air side convection current heat exchanged thermoresistance.
The content of the invention
One of the object of the invention is to provide a kind of defroster of air-source water heater, by the reality to multiple temperature signals
When sampling with differentiate, precise control defrost enter state and done state.
It is a further object of the present invention to provide a kind of Defrost method of the defroster of air-source water heater.
The concrete technical scheme that uses of the present invention for：
A kind of defroster of air-source water heater, including compressor, condenser and evaporator, one end of the compressor
It is connected with the condenser by blast pipe, the condenser connects drain pipe, the drain pipe connects evaporator, the evaporation
Device is connected by low-voltage tube with compressor, and infrared heater is provided with the drain pipe between the condenser and evaporator,
The infrared heater connects control panel, the control panel difference JA(junction ambient) temperature sensor, water tank temperature sensor, return-air
Pipe temperature sensor and evaporator temperature sensor, the environment temperature sensor are arranged on the outside of whole defroster, institute
State water tank temperature sensor to be arranged in water tank, the muffler temperature sensor is arranged in the muffler of compressor, described
Evaporator temperature sensor is arranged in evaporator, and the control panel is internally provided with control chip.
Further, one section of capillary is set on the drain pipe between the condenser and the infrared heater.
Wherein, the compressor is used to for low temperature low pressure gas to be converted into HTHP gas.
The blast pipe is used to for high temperature and high pressure gas to be delivered to condenser.
Heat of high temperature is discharged outside by the condenser by blower fan and aluminum fin-stock.
Highly pressurised liquid is delivered to capillary by the drain pipe, and low temperature low pressure gas are turned into through tubule throttling.
The evaporator absorbs heat from environment.
The low-voltage tube will be delivered to liquid storage through the gas after heat absorption and fill gas-liquid separation.
Further, the infrared heater includes heater, and the heater is cylinder, is internally provided with through hole,
One end of the through hole is arranged on the top of heater, and the other end of the through hole is arranged on the side wall of the heater bottom
On, copper tube is installed in the through hole, the outer wall around the copper tube sets insulating barrier, is set around the insulating barrier outer wall
Multiple calandrias, heat-insulation layer is set around the calandria surrounding in described heater.
The insulating barrier provides 60 volts of electric security protector for copper pipe.
The working medium of throttling is delivered to evaporator by the copper tube.
The calandria provides thermal source for 60 volts of electric power for antifrost defrosts.
The heat-insulation layer protects the invalid radiating of calandria.
Further, the heater outer wall is provided with overcoat.
The overcoat provides the protection of rain-proof anti-collision for heater.
Further, fluid reservoir is provided between the evaporator and compressor, for standby and except depositing excessive oil.
A kind of Defrost method of the defroster of air-source water heater：
The environment temperature sensor, ambient humidity sensor, suction temperature sensor and evaporator temperature sensor point
Not by environment temperature, ambient humidity, suction temperature and evaporator temperature by signal transmission to control panel, the control panel according to
Default discrimination model controls the heated condition of infrared heater.
Described default discrimination model is：
Into the condition of defrost state：
During -1 DEG C≤environment temperature≤20 DEG C,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 4 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 3 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes；
Or when ＜ -1 DEG C of -4 DEG C≤environment temperature,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 5 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 4 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes；
Or during environment temperature≤- 5 DEG C,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 8 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 6 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes；
Exit the condition of defrost state：
The defrost time is full 8 minutes, or the defrost time is full 3 minutes, and coil temperature >=12 DEG C；Or coil temperature >=22
℃；Or occur high pressure or exhaust protection during defrost.
Advantages of the present invention is：
By being provided with infrared heater on the drain pipe between condenser and evaporator, each watt all passes through the present invention
The muffler suction compressor of compressor improves the heating of the delivery temperature quickening water tank of compressor, according to prediction air energy thermal water
The thermal efficiency of device will be enhanced 28%；Due to eliminating original four-way valve mode, thus save about 40% system pipeline,
And eliminate the hidden danger that four-way valve is leaked, system more stability and high efficiency；Due to the cancellation of four-way valve, system process is greatly obtained
Simplify, production efficiency is also greatly enhanced with quality.
Brief description of the drawings
Fig. 1 is structural representation of the invention,
Fig. 2 is the structural representation of infrared heater,
In figure, 1- compressors, 2- condensers, 3- evaporators, 4- blast pipes, 5- drain pipes, 6- low-voltage tubes, 7- infrared heatings
Device, 71- heaters, 72- through holes, 73- copper tubes, 74- insulating barriers, 75- calandrias, 76- heat-insulation layers, 77- overcoats, 8- capillarys
Pipe, 9- fluid reservoirs.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.
As shown in figure 1, a kind of defroster of air-source water heater, including compressor 1, condenser 2 and evaporator 3, pressure
One end of contracting machine 1 is connected by blast pipe 4 with condenser 2, the connection drain pipe 5 of condenser 2, and the connection evaporator 3 of drain pipe 5 steams
Hair device 3 is connected by low-voltage tube 6 with compressor 1, and infrared heating is provided with the drain pipe 5 between condenser 2 and evaporator 3
Device 7, the connection control panel of infrared heater 7, control panel difference JA(junction ambient) temperature sensor, water tank temperature sensor, muffler
Temperature sensor and evaporator temperature sensor, environment temperature sensor are arranged on the outside of whole defroster, water tank temperature
Sensor is arranged in water tank, and muffler temperature sensor is arranged in the muffler of compressor, and evaporator temperature sensor sets
Put in evaporator, control panel is internally provided with control chip.
One section of capillary 8 is set on the drain pipe 5 between condenser 2 and infrared heater 7.
As shown in Fig. 2 infrared heater 7 includes heater 71, heater 71 is cylinder, is internally provided with through hole 72,
One end of through hole 72 is arranged on the top of heater 71, and the other end of through hole 72 is arranged on the side wall of the bottom of heater 71, leads to
Hole 72 is interior to install copper tube 73, and the outer wall around copper tube 73 sets insulating barrier 74, and multiple adding is set around the outer wall of insulating barrier 74
Hot body 75, heat-insulation layer 76 is set around the surrounding of calandria 75 in heater 71, and the outer wall of heater 71 is provided with overcoat 77.
Fluid reservoir 9 is provided between evaporator 3 and compressor 1, for standby and except depositing excessive oil.
Defrost method of the invention is：Environment temperature sensor, ambient humidity sensor, suction temperature sensor and evaporation
Environment temperature, ambient humidity, suction temperature and evaporator temperature are passed through signal transmission to control panel by device temperature sensor respectively,
Control panel controls the heated condition of infrared heater 7 according to default discrimination model.
Wherein, default discrimination model is：
Into the condition of defrost state：
During -1 DEG C≤environment temperature≤20 DEG C,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 4 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 3 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes.
Or when ＜ -1 DEG C of -4 DEG C≤environment temperature,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 5 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 4 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes.
Or during environment temperature≤- 5 DEG C,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 8 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 6 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes.
Exit the condition of defrost state：
The defrost time is full 8 minutes, or the defrost time is full 3 minutes, and coil temperature >=12 DEG C；Or coil temperature >=22
℃；Or occur high pressure or exhaust protection during defrost.
Finally it should be noted that：Embodiment described above is merely to illustrate technical scheme, rather than it is limited
System；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：Its
The technical scheme described in previous embodiment can still be modified, or which part or all technical characteristic are carried out
Equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical scheme
Scope.
Claims (7)
1. a kind of defroster of air-source water heater, including compressor, condenser and evaporator, one end of the compressor lead to
Cross blast pipe to be connected with the condenser, the condenser connects drain pipe, the drain pipe connects evaporator, the evaporator
It is connected with compressor by low-voltage tube, it is characterised in that be provided with the drain pipe between the condenser and evaporator red
Outer heating device, the infrared heater connects control panel, and the control panel difference JA(junction ambient) temperature sensor, water tank temperature are passed
Sensor, muffler temperature sensor and evaporator temperature sensor, the environment temperature sensor are arranged on whole defroster
Outside, the water tank temperature sensor is arranged in water tank, and the muffler temperature sensor is arranged on the return-air of compressor
In pipe, the evaporator temperature sensor is arranged in evaporator, and the control panel is internally provided with control chip.
2. the defroster of air-source water heater according to claim 1, it is characterised in that the condenser with it is described
One section of capillary is set on the drain pipe between infrared heater.
3. the defroster of air-source water heater according to claim 1, it is characterised in that the infrared heater includes
Heater, the heater is cylinder, is internally provided with through hole, and one end of the through hole is arranged on the top of heater, institute
The other end for stating through hole is arranged on the side wall of the heater bottom, copper tube is installed in the through hole, around the red copper
The outer wall of pipe sets insulating barrier, multiple calandrias is set around the insulating barrier outer wall, around the calandria surrounding described
Heater in set heat-insulation layer.
4. the defroster of air-source water heater according to claim 3, it is characterised in that the heater outer wall is set
There is overcoat.
5. the defroster of air-source water heater according to claim 1, it is characterised in that the evaporator and compressor
Between be provided with fluid reservoir.
6. the Defrost method of the defroster of air-source water heater according to claim 1, it is characterised in that the environment
Temperature sensor, ambient humidity sensor, suction temperature sensor and evaporator temperature sensor are respectively by environment temperature, environment
, by signal transmission to control panel, the control panel is according to default discrimination model control for humidity, suction temperature and evaporator temperature
The heated condition of infrared heater processed.
7. the Defrost method of the defroster of air-source water heater according to claim 6, it is characterised in that described is pre-
If discrimination model be：
Into the condition of defrost state：
During -1 DEG C≤environment temperature≤20 DEG C,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 4 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 3 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes；
Or when ＜ -1 DEG C of -4 DEG C≤environment temperature,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 5 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 4 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes；
Or during environment temperature≤- 5 DEG C,
Meet one of following two situations：
A. water tank temperature≤40 DEG C, and coil temperature≤- 8 DEG C；
B. 40 DEG C of water tank temperature ＞, and coil temperature≤- 6 DEG C；
And compressor adds up operation 45 minutes, and continuously operation 30 minutes；
Exit the condition of defrost state：
The defrost time is full 8 minutes, or the defrost time is full 3 minutes, and coil temperature >=12 DEG C；Or coil temperature >=22 DEG C；
Or occur high pressure or exhaust protection during defrost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238621.9A CN106766436A (en) | 2016-12-28 | 2016-12-28 | The defroster and its Defrost method of air-source water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238621.9A CN106766436A (en) | 2016-12-28 | 2016-12-28 | The defroster and its Defrost method of air-source water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106766436A true CN106766436A (en) | 2017-05-31 |
Family
ID=58923992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611238621.9A Pending CN106766436A (en) | 2016-12-28 | 2016-12-28 | The defroster and its Defrost method of air-source water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106766436A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954678A (en) * | 2018-08-23 | 2018-12-07 | 珠海格力电器股份有限公司 | Rotary infrared heating device and air conditioner |
| CN110332716A (en) * | 2019-07-16 | 2019-10-15 | 珠海格力电器股份有限公司 | defrosting control method and device for heat pump water heater and heat pump water heater |
| CN111397261A (en) * | 2020-04-13 | 2020-07-10 | 广东日出东方空气能有限公司 | Intelligent defrosting method of air source heat pump water heater |
| WO2022040297A1 (en) * | 2020-08-20 | 2022-02-24 | Rheem Manufacturing Company | Water heater and method of operating same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127966A (en) * | 1993-11-05 | 1995-05-19 | Matsushita Refrig Co Ltd | Controller of refrigerator |
| CN1782612A (en) * | 2004-11-04 | 2006-06-07 | 陈则韶 | Air source heat pump water heater with flow guide sleeve heat exchanger water storage tank |
| CN200972305Y (en) * | 2006-10-28 | 2007-11-07 | 万红光 | Integral apparatus of refrigerator, water heater and air conditioner |
| CN201277708Y (en) * | 2008-07-28 | 2009-07-22 | 吴平 | Frostless air source water heater |
| CN204902234U (en) * | 2015-08-31 | 2015-12-23 | 佛山市南海聚腾环保设备有限公司 | Domestic air can bathroom dehumidification high temperature hot -water heating system |
| WO2016157615A1 (en) * | 2015-04-03 | 2016-10-06 | 三菱電機株式会社 | Refrigeration cycle device and refrigeration cycle system |
-
2016
- 2016-12-28 CN CN201611238621.9A patent/CN106766436A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127966A (en) * | 1993-11-05 | 1995-05-19 | Matsushita Refrig Co Ltd | Controller of refrigerator |
| CN1782612A (en) * | 2004-11-04 | 2006-06-07 | 陈则韶 | Air source heat pump water heater with flow guide sleeve heat exchanger water storage tank |
| CN200972305Y (en) * | 2006-10-28 | 2007-11-07 | 万红光 | Integral apparatus of refrigerator, water heater and air conditioner |
| CN201277708Y (en) * | 2008-07-28 | 2009-07-22 | 吴平 | Frostless air source water heater |
| WO2016157615A1 (en) * | 2015-04-03 | 2016-10-06 | 三菱電機株式会社 | Refrigeration cycle device and refrigeration cycle system |
| CN204902234U (en) * | 2015-08-31 | 2015-12-23 | 佛山市南海聚腾环保设备有限公司 | Domestic air can bathroom dehumidification high temperature hot -water heating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954678A (en) * | 2018-08-23 | 2018-12-07 | 珠海格力电器股份有限公司 | Rotary infrared heating device and air conditioner |
| CN110332716A (en) * | 2019-07-16 | 2019-10-15 | 珠海格力电器股份有限公司 | defrosting control method and device for heat pump water heater and heat pump water heater |
| CN111397261A (en) * | 2020-04-13 | 2020-07-10 | 广东日出东方空气能有限公司 | Intelligent defrosting method of air source heat pump water heater |
| WO2022040297A1 (en) * | 2020-08-20 | 2022-02-24 | Rheem Manufacturing Company | Water heater and method of operating same |
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Effective date of abandoning: 20240419 |