With spent hot water is the water-water heat pump water heater of thermal source
Technical field
The utility model relates to a kind of water heater, and relating in particular to a kind of is the water-water heat pump water heater of thermal source with spent hot water.
Background technology
The effect of water heater is to be used for heating life to use hot water, and its mode of heating mainly contains following several: gas heater, electric heater, solar water heater, Teat pump boiler.Teat pump boiler is owing to energy-saving and environmental protection, stable, safety, so be widely used, a kind of Teat pump boiler as now common: (in general by compressor, two heat-exchanger rigs, one of them is an evaporimeter, another is a condenser) restricting element formation refrigerant circulation loop, the condensation heat of utilizing condenser to produce heats hot water for shower bath, but also has surplus heat behind the Water-heating shower, causes the thermal loss of shower waste.A kind of like this afterheat recovery type Teat pump boiler has appearred now, condenser in capillary, residual evaporator, evaporimeter, compressor, the water tank forms refrigerant circulation loop, shower waste is collected in the waste water collector, waste water drenches on the waste heat preheater, and cold water enters and enters water tank after the waste heat preheater is preheated again and heat back output; Through residual evaporator it is heated again behind the shower waste process waste heat preheater.In this structure, by two thermals source cold water is heated, one is the residual evaporator as the hydro-thermal source, and another is the evaporimeter as air heat source, and its residual evaporator is an auxiliary thermal source, and the air heat source evaporimeter is main thermal source.The reason that two evaporimeters are set is: when starting, need a large amount of thermals source, if only adopt a residual evaporator, then can not start smoothly, absorb heat as thermal source so be provided with the another one evaporimeter again from other place (as air), complex structure, cost increase, volume increases but cause thus.And be thermal source with the air, influenced by ambient air temperature.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, when stable higher Teat pump boiler of efficiency.
The utility model is achieved through the following technical solutions:
A kind of is the water-water heat pump water heater of thermal source with spent hot water, it is characterized in that: this water heater forms refrigerant circulation loop by condenser, spent hot water's evaporimeter, throttle mechanism, compressor, the water side of condenser is current siphunculus road, this current siphunculus road is provided with water inlet and delivery port, described spent hot water's evaporimeter is located at bath wastewater and is flowed through on the path, and described current siphunculus road is connected with heat storage water tank.
The waste heat of bath wastewater is absorbed by spent hot water's evaporimeter, has saved energy; When just opening water heater, because of lacking the spent hot water, for guaranteeing smooth startup, on current siphunculus road, be provided with heat storage water tank, stored hot water flows out on spent hot water's evaporimeter during last bathing, for it provides thermal source, simultaneously, auxiliary thermal source as electric heating etc. can be set in the heat storage water tank, guarantee smooth startup; Because directly adopting the spent hot water is the thermal source of this water heater, structure is simpler than prior art, and spent hot water's evaporimeter is thermal source with water, directly is not subjected to the influence of outside air temperature, and compared with prior art, its efficiency when stability is improved.
Further structure of the present utility model is:
Described compressor comprises first compressor, second compressor, and described condenser comprises first condenser, second condenser, and described spent hot water's evaporimeter comprises first spent hot water's evaporimeter, second spent hot water's evaporimeter; Described throttle mechanism comprises first throttle mechanism, second throttle mechanism; Form described refrigerant circulation loop respectively between first compressor, first condenser, first spent hot water's evaporimeter, the first throttle mechanism and between second compressor, second condenser, second spent hot water's evaporimeter, second throttle mechanism.When the initial water temperature of cold water is hanged down, two compressors can be opened, and when the initial water temperature of cold water is higher, one of them compressor can be only opened, two refrigerant circulation loops can satisfy different operating mode needs.The more important thing is: when starting, can start one of them compressor earlier and carry out the hot water heating, restart another compressor subsequently, two compressor asynchronous startings can effectively reduce the circuit load when starting.
Described first spent hot water's evaporimeter, the stacked placement of second spent hot water's evaporimeter or horizontal positioned.During use, the waste water that has a waste heat flow through respectively first spent hot water's evaporimeter, second spent hot water's evaporimeter are absorbed the heat of waste water by evaporimeter being carried out structural design as far as possible.
In the described current siphunculus road, the water side of described first condenser, the second Water in Condenser side is connected with described heat storage water tank, is provided with delivery port on heat storage water tank.In the described current siphunculus road, cold water flow into after the water side heating of described first condenser, second condenser in the described heat storage water tank and through delivery port output shower.
In the described current siphunculus road, the water side of described first condenser, second condenser can be to be connected in series or to be connected in parallel.When being connected in series, the cold water of input is successively through outputing in the heat storage water tank after second condenser, the heating of first condenser; When being connected in parallel, the cold water of input partly enters the heating of first condenser, part outputs in the heat storage water tank after entering the heating of second condenser.
Be provided with water flow switch on described current siphunculus road, this water flow switch is connected with described compressor Control Cprant.When current passed through, the water flow switch action started compressor automatically.Startup by water flow switch control compressor with close, easy to use.
A wherein end of the low-pressure end of described compressor and high-pressure side, condenser, spent hot water's evaporimeter connects by cross valve; The water side of described spent hot water's evaporimeter is connected with cooling tower; On described current siphunculus road, be connected with air conditioning terminal heat exchanger, valve, water pump.By the control cross valve, can change the flow direction of cold-producing medium, make former condenser become evaporimeter, spent hot water's evaporimeter and become and make condenser.By the switching of water valve to the water route, for air conditioner end equipment provides the chilled water circulation, former condenser carries out freezing to the water on the current siphunculus road, and realizes air conditioner refrigerating by the air conditioning terminal heat exchanger, and the heat of spent hot water's evaporimeter scatters and disappears by cooling tower; Promptly can be used to realize air conditioner refrigerating by said structure.
Be provided with auxiliary thermal source in the described heat storage water tank.The effect of heat storage water tank is to be used for spent hot water's evaporimeter is carried out preheating, when the coolant-temperature gage in heat storage water tank is low, can normally start to guarantee unit by this auxiliary thermal source earlier with the water heating.
Described spent hot water's evaporimeter is provided with water-collecting tray, and this water-collecting tray is provided with water sprayering hole and massage salient point.Shower waste is collected by water-collecting tray, and evenly spills on spent hot water's evaporimeter through water sprayering hole, and the massage salient point on the water-collecting tray can play the health care massage effect to shower person's foot, increases comfort simultaneously.
Described water sprayering hole is located between two adjacent described massage salient points.This structure can make current unobstructed, also can reduce water sprayering hole foot is produced discomfort.
To sum up, the utility model has the advantages that:
1, condenser, spent hot water's evaporimeter, compressor form refrigerant circulation loop running water are heated use immediately, and simple in structure, volume is little, cost is low, and spent hot water's evaporimeter is the water source evaporimeter, directly is not subjected to the influence of outside air temperature, and Energy Efficiency Ratio is high and stable;
2, utilize deposit hot water preheating spent hot water evaporimeter in the heat storage water tank, make things convenient for unit starting;
3, two compressors form two refrigerant circulation loops respectively, can work alone respectively, satisfying different operating mode needs, and can start a compressor earlier when starting, and it is little to start load;
4, first spent hot water's evaporimeter, second spent hot water's evaporimeter up and down stacked or level place side by side, by evaporimeter being carried out structural design spent hot water's heat is absorbed as far as possible.
5, by water flow switch control compressor, easy to use;
6, by after the cross valve commutation, can realize the air conditioner refrigerating function;
7, auxiliary thermal source guarantees that unit normally starts;
8, water-collecting tray can play the health care massage effect to foot.
Description of drawings
Fig. 1 is the structure chart of the utility model embodiment one;
Fig. 2 is the cutaway view of water-collecting tray among Fig. 1;
Fig. 3 is the structure chart of the utility model embodiment two;
Fig. 4 is the structure chart of the utility model embodiment three;
Fig. 5 is the structure chart of the utility model embodiment four;
Fig. 6 is the structure chart of the utility model embodiment five;
Description of reference numerals:
1, heat storage water tank, 2, first compressor, 3, second compressor, 4, first condenser, 5, second condenser, 6, first spent hot water's evaporimeter, 7, second spent hot water's evaporimeter, 8, first throttle mechanism, 9, second throttle mechanism, 10, water flow switch, 11, cross valve, 12, cooling tower, 13, air conditioning terminal heat exchanger, 14, valve, 15, water pump, 16, water-collecting tray, 17, water sprayering hole, 18, the massage salient point, 19, water valve, 20, mix water valve, 21, gondola water faucet, 22, bathtub.
The specific embodiment
Embodiment one:
See also Fig. 1, Fig. 2, a kind of is the water-water heat pump water heater of thermal source with spent hot water, compressor in this water heater comprises first compressor 2, second compressor 3, first condenser 4, second condenser 5, throttle mechanism comprises first throttle mechanism 8, second throttle mechanism, 9, the first spent hot water's evaporimeters 6, second spent hot water's evaporimeter 7; First spent hot water's evaporimeter 6, second spent hot water's evaporimeter, the 7 levels below of being located at gondola water faucet 21 arranged side by side, and above first spent hot water's evaporimeter 6, second spent hot water's evaporimeter 7, be provided with water-collecting tray 16, this water-collecting tray 16 is provided with water sprayering hole 17 and massage salient point 18; Form refrigerant circulation loop respectively between first compressor 2, first condenser 4, first spent hot water's evaporimeter 6, the first throttle mechanism 8 and between second compressor 3, second condenser 5, second spent hot water's evaporimeter 7, second throttle mechanism 9.
First condenser 4, second condenser, 5 water sides are connected in series and constitute in the current siphunculus road, the water side of first condenser, 4 water sides connects heat storage water tank 1, can be provided with auxiliary thermal source in the heat storage water tank 1, be provided with delivery port on heat storage water tank 1, delivery port connects gondola water faucet 21; The entrance point of second condenser 5 links to each other with the mouth of a river from the beginning, and is provided with water flow switch 10 at entrance point, and water flow switch 10 is connected with the control circuit of first compressor 2, second compressor 3.
Operation principle of the present utility model is: open water valve 19 and mix water valve 20, the cold water that enters from the mouth of a river from the beginning flows into second condenser 5 through water flow switch 10, first condenser 4, water flow switch 10 is opened and first compressor 2 is started, cold-producing medium is at first compressor 2, first condenser 4, form circulation between first spent hot water's evaporimeter 6, first condenser 4 produces heat water is heated, reserving hot water in the heat storage water tank 1 flows out to first spent hot water's evaporimeter 6 through gondola water faucet 21, on second spent hot water's evaporimeter 7, be first spent hot water's evaporimeter 6, second spent hot water's evaporimeter 7 provides thermal source; After this restart second compressor 3, water heater enters into normal operating conditions, output to the heat storage water tank 1 after second condenser 5,4 twice heating of first condenser from the cold water of mouth of a river inflow from the beginning, through gondola water faucet 21 ejection shower, shower is adopted and is sprinkled upon on first spent hot water's evaporimeter 6, the second spent hot water's evaporimeter 7 after living spent hot water is collected by water-collecting tray 16, and spent hot water's heat is absorbed by first spent hot water's evaporimeter 6, second spent hot water's evaporimeter 7.
The advantage of present embodiment is: 1, the shower spent hot water is absorbed by water heater, improves heat utilization usefulness, energy-conserving and environment-protective; 2, heat storage water tank 1 is set, and the Instant heating type design of the big temperature difference of condenser, make the temperature of the hot water of exporting by condenser directly satisfy the required temperature of shower; 3, heat storage water tank 1 is set and is used for laying in the startup thermal source, the heat storage water tank volume is little; 4, two compressor asynchronous startings reduce the startup of circuit and load; Whether 5, two compressors can select compressor to start according to the water temperature and the different operating modes of the water yield of water inlet, and adaptability is stronger; 5, water-collecting tray 16 has massage salient point 18, can play the health care massage effect to foot.
Embodiment two:
See also Fig. 3, the difference of present embodiment and embodiment one is: on the hot water outlet bathtub 22 can also be set, the discharge outlet of bathtub 22 is connected to spent hot water's evaporimeter place; For satisfying bathtub hot-water flooding needs first, can suitably strengthen the heat storage water tank volume; The present embodiment principle repeats no more with that gondola water faucet 21 is set is the same herein.
Embodiment three:
See also Fig. 4, present embodiment is with the difference of embodiment one: a wherein end of the low-pressure end of compressor and high-pressure side, condenser, spent hot water's evaporimeter is connected by cross valve 11; The water side of described spent hot water's evaporimeter is connected with cooling tower 12; On described current siphunculus road, be connected with air conditioning terminal heat exchanger 13, valve 14, water pump 15.
The operation principle of present embodiment is: operated valve 14, open water pump 15, make Water in Condenser side and air conditioning terminal heat exchanger 13 form the loop, with 11 commutations of two cross valves, spent hot water's evaporimeter is as condenser, its condensation heat passes through the heat exchange of water side after cooling tower 12 coolings, former condenser becomes makes evaporimeter, and the water in its water lateral line is become the idle call chilled water, and through 13 pairs of indoor refrigeration of air conditioning terminal heat exchanger; Present embodiment can be used as air conditioner refrigerating by cross valve 11 commutations, with after cross valve 11 commutations, can be used as water heater again again, really realizes a tractor serves several purposes, and is economical and practical.
Embodiment four:
See also Fig. 5, present embodiment is with the difference of embodiment one: in parallel and form current siphunculus road between the water lateral line of first condenser 4, second condenser 5.After cold water in the present embodiment entered, the branch two-way entered into first condenser 4 respectively, second condenser 5 heats, and its principle is identical with example one, repeats no more herein.
Embodiment five:
See also Fig. 6, present embodiment is with the difference of embodiment three: in parallel and form current siphunculus road between the water lateral line of first condenser 4, second condenser 5.Chilled water backwater in the present embodiment divides two-way to enter into first condenser 4, second condenser 5 respectively to carry out freezingly respectively, and its principle is identical with example three, repeats no more herein.