CN206338990U - A kind of defroster of air-source water heater - Google Patents

A kind of defroster of air-source water heater Download PDF

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Publication number
CN206338990U
CN206338990U CN201621457252.8U CN201621457252U CN206338990U CN 206338990 U CN206338990 U CN 206338990U CN 201621457252 U CN201621457252 U CN 201621457252U CN 206338990 U CN206338990 U CN 206338990U
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China
Prior art keywords
evaporator
temperature sensor
heater
compressor
condenser
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Application number
CN201621457252.8U
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Chinese (zh)
Inventor
胡世彪
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Shandong Aeolus New Energy Technology Co ltd
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Shandong Aeolus New Energy Technology Co ltd
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Priority to CN201621457252.8U priority Critical patent/CN206338990U/en
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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.The utility model is by the real-time sampling to multiple temperature signals and differentiation, and precise control defrost enters state and done state, and defrost effect is good.

Description

A kind of defroster of air-source water heater
Technical field
The utility model is related to a kind of defroster, more particularly to a kind of defroster of air-source water heater, belongs to empty Gas energy water heater Defrost technology field.
Background technology
Air energy heat pump water heater runs under low-temperature condition and heated, and outdoor running environment is severe, when outdoor heat exchanger (system Play evaporator when hot) surface temperature less than air dew point temperature and less than 0 DEG C when, outdoor heat exchanger surface can frosting, shadow Heating effect and operation are rung, formation and influence factor of the frost with ice are more complicated, the heat transfer on frosting under normal pressure both at home and abroad is passed The research of matter performance has been 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, so, system can just absorb heat from hot water, together with the input work of compressor Rate, the together defrost for evaporator.
Four-way valve defrosting mode is that comparison is rational, but the vast ground of China is wide, and from south to north, region is complicated, environment pole For complexity, identical is set, and cold or more dry area can then monitor bad, frostless defrost, waste electric energy. High Humid Area, 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 utility model
In order to solve the technical problem that prior art is present in background technology, the utility model provides a kind of air energy thermal The defroster of hydrophone, by the real-time sampling to multiple temperature signals and differentiation, precise control defrost enters state with terminating State.
The concrete technical scheme that the utility model is used for:
A kind of defroster of air-source water heater, including compressor, condenser and evaporator, one end of the compressor It is connected by blast pipe with the condenser, 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 low temperature low pressure gas being converted into HTHP gas.
The blast pipe is used to high temperature and high pressure gas being 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 is turned into through tubule throttling.
The evaporator absorbs heat from environment.
Gas after heat absorption is delivered to liquid storage and fills gas-liquid separation by the low-voltage tube.
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, the outer wall around the copper tube sets insulating barrier, is set around the insulating barrier outer wall in the through hole 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 defrosting.
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.
The beneficial effects of the utility model are:
The utility model is by being provided with infrared heater on the drain pipe between condenser and evaporator, each watt all The heating that compressor improves the delivery temperature quickening water tank of compressor is sucked by the muffler of compressor, according to prediction air energy The thermal efficiency of water heater will be enhanced 28%;Due to eliminating original four-way valve mode, therefore the system for saving about 40% Pipeline, and eliminate the hidden danger of four-way valve leakage, system more stability and high efficiency;Due to the cancellation of four-way valve, system process is significantly Be simplified, production efficiency is also greatly enhanced with quality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
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.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, 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 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 sensing Device is arranged in water tank, and muffler temperature sensor is arranged in the muffler of compressor, and evaporator temperature sensor is arranged on 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 Copper tube 73 is installed, the outer wall around copper tube 73 sets insulating barrier 74 in hole 72, multiple add 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 present utility model is:Environment temperature sensor, ambient humidity sensor, suction temperature sensor and Environment temperature, ambient humidity, suction temperature and evaporator temperature are given control by evaporator temperature sensor by signal transmission respectively Making sheet, 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 the technical solution of the utility model, rather than right It is limited;Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should Work as understanding:It can still modify to the technical scheme described in previous embodiment, or to which part or whole skills Art feature carries out equivalent;And these modifications or replacement, do not make essence disengaging the utility model of appropriate technical solution each The scope of embodiment technical scheme.

Claims (5)

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 by low-voltage tube with compressor, 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, 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.
CN201621457252.8U 2016-12-28 2016-12-28 A kind of defroster of air-source water heater Active CN206338990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621457252.8U CN206338990U (en) 2016-12-28 2016-12-28 A kind of defroster of air-source water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621457252.8U CN206338990U (en) 2016-12-28 2016-12-28 A kind of defroster of air-source water heater

Publications (1)

Publication Number Publication Date
CN206338990U true CN206338990U (en) 2017-07-18

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CN201621457252.8U Active CN206338990U (en) 2016-12-28 2016-12-28 A kind of defroster of air-source water heater

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110657610A (en) * 2019-08-29 2020-01-07 昆明理工大学 Method for actively inhibiting frosting of air source heat pump and application system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110657610A (en) * 2019-08-29 2020-01-07 昆明理工大学 Method for actively inhibiting frosting of air source heat pump and application system thereof

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