CN201535575U - Air source heat pump water heater with flexible defrosting function - Google Patents

Abstract

The utility model relates to an air source heat pump water heater, in particular to an air source heat pump water heater with flexible defrosting function, which comprises a heating water tank, a compressor, a four-way adjusting valve, an output heat exchanger, an overcooling pipe group, a heating one-way valve, a steam liquid separator, an outdoor heat dissipater and an axial flow fan, and is characterized by further comprising a defrosting magnetic valve and a compressor residual heat reclaiming coil pipe, wherein the defrosting magnetic valve is connected between the steam liquid separator and the heating one-way valve, the compressor residual heat reclaiming coil pipe is connected between the four-way adjusting valve and the outdoor heat dissipater, and the air source heat pump water heater has reasonable structure design and excellent defrosting effect.

Description

Air source hot pump water heater with flexible defrost function

Technical field

The utility model relates to a kind of air source hot pump water heater, particularly relates to a kind of air source hot pump water heater with flexible defrost function.

Background technology

Air source hot pump water heater claims Teat pump boiler again, produces hot water by absorbing air heat source, and energy-saving efficiency is more than 4 times of electric heater, and is also more energy-conservation than solar water heater, is the most advanced in the world at present energy-saving environment-friendly hot water system.The contrary Carnot's principle of air source hot pump water heater, with few electric energy, absorb a large amount of low temperature heat energy in the air, compression by compressor becomes high temperature heat, transfer to water tank, heat hot water, so its energy consumption is low, efficient is high, speed is fast, security is good, the feature of environmental protection is strong, hot-water supply endlessly.It has the advantage that is difficult to compare as hot-water heating system.

But the air source hot pump water heater of prior art often only is provided with a heating water tank, makes that to add thermal effect bad, and thermal conversion efficiency is low.

The utility model content

Technical problem to be solved in the utility model is to overcome existing above-mentioned shortcoming in the prior art, and a kind of reasonable in design, the air source hot pump water heater with flexible defrost function that defrosting effect is good are provided.

The technical scheme in the invention for solving the above technical problem is: a kind of air source hot pump water heater with flexible defrost function comprises heating water tank, compressor, four-way control valve, output heat exchanger, supercooling tube group, heats check valve, gas-liquid separator, outdoor radiator and aerofoil fan; It is characterized in that: comprise that also defrost magnetic valve and heat of compressor reclaim coil pipe; Described defrost magnetic valve is connected gas-liquid separator and heats between the check valve; Described heat of compressor reclaims coil pipe and is connected between four-way control valve and the outdoor radiator.

The described heating water tank of the utility model is provided with into water interface, is in series with pressure-relief valve, filter, ball valve successively with pipe on the water inlet interface.

The described heating water tank of the utility model is provided with the water outlet interface, and the pipe that is communicated with the water outlet interface is provided with the leaving water temperature sensor.

The utility model compared with prior art has the following advantages and effect: 1, reasonable in design.2, be provided with heat of compressor and reclaim coil pipe, reclaim heat of compressor, reduce thermal loss, effectively improve rate of heat exchange, reduce the working medium degree of superheat, improve the compressor return air pressure and temperature when environment temperature is low, compressor liquid refrigerant can not occur and return the liquid phenomenon, the frosting critical-temperature increases, and the low-temperature heating state keeps reliability service and reduces the defrosting number of times down; Can give the cooling of compressor winding when environment temperature is high, avoid the generation of compressor damage phenomenon.3,aerofoil fan 8 adopts multi-change speed axial flow motor, and environment temperature is crossed and entered the state of running up when hanging down, and to increase the convection current of outdoor spreader surface air, increases the heat exchange amount, thereby reduces the frosting area of operation under the outdoor radiator low temperature environment; Keep the low cruise state when environment temperature is too high,, prevent the overheat of compressor protection to keep the evaporating temperature and the evaporating pressure of refrigeration working medium.4, be provided with defrost magnetic valve 9, can reach the effect of flexible defrosting.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment.

Embodiment:

Referring to Fig. 1, the utility model embodiment comprisesheating water tank 1,compressor 2,output heat exchanger 3,supercooling tube group 4,heat check valve 5, gas-liquid separator 6,outdoor radiator 7,aerofoil fan 8, defrost magnetic valve 9, four-way control valve 10 and heat of compressorreclaims coil pipe 11.

Four-way control valve 10reclaims coil pipe 11 usefulness pipes and is connected connection withcompressor 2,output heat exchanger 3, gas-liquid separator 6, heat of compressor respectively.Defrost magnetic valve 9 usefulness pipes turn on gas-liquid separator 6 and heat between thecheck valve 5.

Compressor 2, four-way control valve 10,output heat exchanger 3,supercooling tube group 4,heat check valve 5,outdoor radiator 7, gas-liquid separator 6, heat of compressor andreclaim coil pipe 11 usefulness pipes and be concatenated into a closed circuit, in this closed circuit, be equipped with and act as the working medium of transmitting heat.During heating, working medium is fromcompressor 2, successively through four-way control valve 10,output heat exchanger 3,supercooling tube group 4, heat and get back tocompressor 2 again aftercheck valve 5,outdoor radiator 7, heat of compressorreclaim coil pipe 11, four-way control valve 10, gas-liquid separator 6, circulate endlessly with this.During defrost, working medium is got back tocompressor 2 through four-way control valve 10, heat of compressor again after reclaimingcoil pipe 11,outdoor radiator 7, defrost magnetic valve 9, gas-liquid separator 6 successively fromcompressor 2.

Aerofoilfan 8 adopts multi-change speed axial flow motor, cooperates withoutdoor radiator 7, andoutdoor radiator 7 is played heat radiation.

Heating water tank 1 is provided withwater outlet interface 12 and is connected use withwater inlet interface 13 for the user.The pipe that is connected on thewater outlet interface 12 is provided with leavingwater temperature sensor 14, is used for detecting the water outlet water temperature; Be connected on the pipe on thewater interface 13 into and be connected with pressure-relief valve 15,filter 16,ball valve 17 successively, pressure-relief valve 15 is positioned nearwater inlet interface 13 1 sides.

The operation principle of the utility model embodiment: the working medium that is the high temperature and high pressure gas shape that compressedmachine 2 is discharged enters heat(ing)coil 3 in theheating water tank 1 by four-way control valve 10 and makes water in the thermal source heatingheating water tank 1, the working medium that is positioned at pipe in heating process is emitted heat, temperature reduces, and further condensing into liquid, the heat(ing)coil 3 fromheating water tank 1 flows out.During high-pressure working medium liquid processsupercooling tube group 4, pressure is descended, cause the gasification of part working medium, absorb gasification latent heat, make the also corresponding reduction of itself temperature, become the damp steam under the low-temp low-pressure, theouter radiator 7 of inlet chamber.Worker quality liquid absorbs airborne heat and solar radiant heat and gasifies inoutdoor radiator 7, forms to send into heat of compressor behind the low-pressure low-temperature steam and reclaim coil pipe 11.And then enter gas-liquid separator 6 through four-way control valve 10, and gas-liquid separator 6 will be in the working medium of liquid condition to be separated with the working medium that is in gaseous state, and the working medium that is in liquid condition is siphoned away by compressor 2.So circulation endlessly.When the needs defrost, 10 actions of four-way control valve, defrost magnetic valve 9 energising is opened, and the HTHP working medium thatcompressor 2 is discharged is got back tocompressor 2 again successively after four-way control valve 10, heat of compressor reclaim theoutdoor radiator 7, defrost magnetic valve 9, gas-liquid separator 6 ofcoil pipe 11, frosting.

In addition, need to prove, the specific embodiment described in this specification, its zero, the shape of parts, institute's title of being named etc. can be different.Allly conceive equivalence or the simple change that described structure, feature and principle are done, be included in the protection domain of the utility model patent according to the utility model patent.

Claims (3)

1. the air source hot pump water heater with flexible defrost function comprises heating water tank, compressor, four-way control valve, output heat exchanger, supercooling tube group, heats check valve, gas-liquid separator, outdoor radiator and aerofoil fan; It is characterized in that: comprise that also defrost magnetic valve and heat of compressor reclaim coil pipe; Described defrost magnetic valve is connected gas-liquid separator and heats between the check valve; Described heat of compressor reclaims coil pipe and is connected between four-way control valve and the outdoor radiator.

2. the air source hot pump water heater with flexible defrost function according to claim 1 is characterized in that: described heating water tank is provided with into water interface, is in series with pressure-relief valve, filter, ball valve successively with pipe on the water inlet interface.

3. the air source hot pump water heater with flexible defrost function according to claim 1 is characterized in that: described heating water tank is provided with the water outlet interface, and the pipe that is communicated with the water outlet interface is provided with the leaving water temperature sensor.

Images