The water resource heat pump of hot-water supply
Technical field
The utility model relates to a kind of water resource heat pump, particularly relates to a kind of water resource heat pump of hot-water supply.
Background technology
Modern society is along with level improves, and is used to heat and the energy-output ratio that freezes accounts for a big chunk of social energy resource consumption total amount.The raising of energy resource consumption has not only aggravated the exhaustion of natural mineral resources, and makes environmental pollution serious day by day.Water resource heat pump is accepted by consumers in general as the energy-saving and environmental protection product.Yet general family need heat in the winter time, summer be when need freeze, and relatively large hot water demand is all arranged throughout the year, and these hot water generally directly come from combustion gas or electrical heating water stove.Therefore, the power consumption of hot water is a pith of family's power consumption.At present, general water source heat pump units is to be connected to form by compressor, heat source side heat exchanger, expansion valve, use side heat exchanger, four-way change-over valve.In summer, water resource heat pump utilizes electric energy to absorb heat and produces cold; In winter, water resource heat pump utilizes electric energy to absorb cold and produces heat; Common water resource heat pump can not provide hot water, and the user needs configuration hot water supply equipment separately, has caused inconvenience to the user.
In addition, water source heat pump units adopts the design of water pump peripheral hardware in the prior art, makes water source heat pump units inconvenient during installation, needs configuration water pump in addition.
Because the defective that above-mentioned existing water resource heat pump exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, water resource heat pump in the hope of the hot-water supply of founding a kind of new structure, can improve general existing water resource heat pump, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
The utility model content
Main purpose of the present utility model is, overcome the defective that existing water resource heat pump exists, and provide a kind of water resource heat pump of hot-water supply of new structure, technical problem to be solved is to make it except that having refrigeration in summer, winter heating's function, and hot-water supply throughout the year, improve energy utilization rate, thereby be suitable for practicality more.
Another purpose of the present utility model is, overcome the defective that existing water resource heat pump exists, and a kind of water resource heat pump of hot-water supply of new structure, technical problem to be solved are provided is to make its structure compact, easy to assembly, smaller volume more rationally, thereby is suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to the water resource heat pump of a kind of hot-water supply that the utility model proposes, it comprises compressor and four-way change-over valve, and it more comprises: water tank; The hot water circuit outlet pipe is positioned at the bottom of water tank; Hot water heat exchanger, its water side one end links to each other with the hot water circuit outlet pipe with water tank, and its refrigerant side one end links to each other with exhaust outlet of compressor, and the refrigerant side other end links to each other with the high-pressure side of four-way change-over valve; Hot water circulating pump, one end are connected in the hot water heat exchanger water side other end; And the hot water circuit water inlet pipe, be positioned at the middle and upper part of water tank, and connect the other end of hot water circulating pump.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
The water resource heat pump of aforesaid hot-water supply, it more comprises electrical auxiliary heater, it is arranged on the hot water circuit water inlet pipe.
The water resource heat pump of aforesaid hot-water supply, it more comprises safety valve, it is arranged at the top of water tank.
The water resource heat pump of aforesaid hot-water supply, it more comprises feed pipe and filling pipe, all is arranged at tank top, and filling pipe extends to the bottom of water tank always.
The water resource heat pump of aforesaid hot-water supply, it more comprises the heat source side water pump, is connected in an end of heat source side heat exchanger water side.
The water resource heat pump of aforesaid hot-water supply, it more comprises use side water pump, is connected in an end that uses side heat exchanger water side.
The water resource heat pump of aforesaid hot-water supply, wherein said compressor are vortex compressor.
The water resource heat pump of aforesaid hot-water supply, wherein said heat source side heat exchanger, use side heat exchanger and hot water heat exchanger are plate type heat exchanger.
The water resource heat pump of the utility model hot-water supply is made of water supply installation and headwaters heat pump.Headwaters heat pump comprises: compressor, heat source side heat exchanger, expansion valve, use side heat exchanger, four-way change-over valve, high pressure reservoir, gas-liquid separator, device for drying and filtering, check valve, it interconnects, and add a hot water heat exchanger, this heat exchanger water side links to each other with water tank, refrigerant side one end directly is connected with exhaust outlet of compressor, and the other end is connected with the high-pressure side of four-way change-over valve.In summer, hot water heat exchanger is connected with heat source side heat exchanger (condenser), is equivalent to two condenser associated working, and high temperature, high pressure refrigerant vapor are by hot water heat exchanger, and heating produces hot water, uses side heat exchanger (evaporimeter) to produce the cold refrigeration simultaneously.In winter, hot water heat exchanger is connected with using side heat exchanger (condenser), and high temperature, high pressure refrigerant vapor are taken away the heating of small part heat by hot water heat exchanger and produced hot water, and most of heat is by using side heat exchanger (condenser) heating.For saving user's space, user side circulating pump and heat source side circulating pump all have been integrated in unit inside.
Water supply installation is made up of water tank, hot water circuit outlet pipe, hot water heat exchanger, hot water circulating pump, electrical auxiliary heater, hot water circuit water inlet pipe, filling pipe, feed pipe and safety valve.Water tank capacity is 150~200 liters, feed pipe and filling pipe all are connected the top of hot water, but filling pipe helps the cold and hot layering of water in the water tank like this in the bottom of water tank inner straight to water tank, prevents that user's water temperature in using the hot water process from reducing suddenly.Water tank bottom is connected with the hot water circuit outlet pipe, the other end of hot water circuit outlet pipe connects an end of hot water heat exchanger water side, enter hot water circulating pump behind the heat of water through hot water heat exchanger absorption high temperature, high pressure refrigerant vapor, through entering electrical auxiliary heater after the hot water circulating pump pressurization, the function of this electrical auxiliary heater is to start when water source heat pump system can not produce enough heat heat hot water, makes the interior hot water temperature of water tank reach requirement.The other end of electrical auxiliary heater is connected to the middle and upper part of hot water, thereby makes the water temperature of middle and upper part in the hot water higher, satisfies the requirement of using.Safety valve is installed at the hot water top, prevents from that the water tank internal pressure is too high to damage.
By technique scheme, the water resource heat pump of the utility model hot-water supply has the following advantages at least:
1, the novel high-temperature high-pressure refrigerant that utilizes compressor to discharge of this use produces hot water by hot water heat exchanger, and the more reasonable energy that utilized has also substituted domestic hot water's equipment, and is more economical more economical.
2, the utility model is integrated into unit with the water pump of peripheral hardware in the prior art, and more that volume in the prior art is bigger double pipe heat exchanger or shell and tube exchanger change the less plate type heat exchanger of volume into, makes its structure compact more, and volume is littler and easy to assembly.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 a-Fig. 1 c is the structure chart of the utility model one preferred embodiment, and wherein Fig. 1 a is a front view;
Fig. 1 b is a vertical view; Fig. 1 c is a left view.
Fig. 2 is a schematic diagram of the present utility model.
1: high pressure reservoir 2: heating power expansion valve
3: make use-case heat exchanger 4: use the side water pump
5: water tank 6: electrical auxiliary heater
7: compressor 8: heat source side heat exchanger
9: hot water circulating pump 10: hot water heat exchanger
11: heat source side water pump 12: gas-liquid separator
13: device for drying and filtering
14,14a, 14b, 14c, 14d: check valve
15: four-way change-over valve 16: safety valve
17: running water filling pipe 18: hot water feeding pipe
19: hot water circuit water inlet pipe 20: the hot water circuit outlet pipe
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of water resource heat pump, structure, feature and effect thereof according to the hot-water supply that the utility model proposes, describe in detail as after.
Seeing also Fig. 1 a to shown in Figure 2, is the structure chart and the schematic diagram of the utility model one preferred embodiment.The water resource heat pump of the hot-water supply that the utility model proposes, it comprises compressor, heat source side heat exchanger, use side heat exchanger and four-way change-over valve, water tank, hot water heat exchanger, hot water circulating pump, and hot water circuit water inlet.
Water tank 5 is on the upper strata, water tank 5 links to each other with an end of the hot water heat exchanger 10 water sides of lower floor by hot water circuit outlet pipe 20, the other end of hot water heat exchanger 10 water sides links to each other with hot water circulating pump 9 one ends, hot water circulating pump 9 other ends are by linking to each other with water tank 5, electrical auxiliary heater 6 is arranged at hot water circuit water inlet pipe 19, hot water feeding pipe 18 is at the top of water tank, running water filling pipe 17 also extends to the bottom of hot water 5 within it always at water tank 5 tops, middle and upper part in hot water 5, and in the bottom of hot water 5, safety valve 16 is installed at water tank 5 tops.Hot water heat exchanger 10 refrigerant sides one end links to each other with compressor 7 exhaust outlets, the other end links to each other with the high-pressure side of four-way change-over valve 15, the low-pressure end of four-way change-over valve 15 respectively with use side heat exchanger 3 refrigerant sides one end, gas-liquid separator 12 refrigerant inlets link to each other with heat source side heat exchanger 8 refrigerant sides one end, gas-liquid separator 12 refrigerant outlets link to each other with compressor 7 air inlets, use the side heat exchanger 3 refrigerant side other ends to link to each other with check valve 14b inlet with check valve 14a outlet, thermal source is surveyed the heat exchanger 8 refrigerant side other ends and is linked to each other with the inlet of check valve 14d and the outlet of check valve 14c, check valve 14a links to each other with the outlet of heating power expansion valve 2 and the inlet of check valve 14c, the inlet of heating power expansion valve 2 links to each other with an end of device for drying and filtering 13, the other end of device for drying and filtering 13 links to each other with the outlet of high pressure reservoir 1, and the inlet of high pressure reservoir 1 links to each other with the outlet of check valve 14b and the outlet of check valve 14d.
Below narrate the utility model operation principle, please with the utility model preferred embodiment reference in the lump.
Summer, the high temperature that discharge compressor 7 high-pressure sides, high pressure refrigerant vapor are at first after exchange heat is carried out in hot water heat exchanger 10 and hot-water heating system water route, the refrigerant vapour temperature reduces, enter heat source side heat exchanger 8 through refrigerant tubing again, because the reduction of unit condensation temperature, the unit refrigerating efficiency increases, and hot water raises through hot water heat exchanger 10 heat-shifts circulation back water temperature, stores in water tank 5.It is low pressure liquid that the refrigerant gas of heat source side heat exchanger 8 enters heating power expansion valve 2 throttling expansions through pipeline, enters then to use side heat exchanger 3, and low pressure refrigerant liquid absorption heat becomes low-pressure steam and finally gets back to compressor 7 finishes kind of refrigeration cycle.Use side heat exchanger 3 cold to be offered the room refrigeration by using side water pump 4.
In winter, at first after exchange heat was carried out in hot water heat exchanger 10 and hot-water heating system water route, the refrigerant vapour temperature reduced for the high temperature that discharge compressor 7 high-pressure sides, high pressure refrigerant vapor, entered through refrigerant tubing and used side heat exchanger 3.Hot water raises through hot water heat exchanger 10 heat-shifts circulation back water temperature, stores in water tank 5.Use the refrigerant gas of side heat exchanger 3 to enter heating power expansion valve 2 throttling expansions through pipeline and be low pressure liquid, enter heat source side heat exchanger 8 then, low pressure refrigerant liquid absorbs heat to be become low-pressure steam and finally gets back to compressor 7 and finish the heating circulation.Use side heat exchanger 3 heat to be offered the room heating by using side water pump 4.
The effect of four-way change-over valve 15 is: by the commutation of four-way change-over valve 15, make cold-producing medium finish two rightabout circulations, play the effect of refrigeration and heating mode conversion.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.