CN203489495U - Solar energy and ground source heat pump combined hot water supplying system - Google Patents

Abstract

The utility model discloses a solar energy and ground source heat pump combined hot water supplying system. The lower portion of a heat preservation water tank is connected with a tap water inlet pipe, the upper portion of the heat preservation water tank is connected with a hot water outlet pipe, a solar energy heat exchange coil is positioned in the heat preservation water tank, one end of a solar energy heat supplying pipe and one end of a solar energy circulating pipe are connected with two ends of the solar energy heat exchange coil, respectively, the other end of the solar energy circulating pipe is connected with a liquid inlet of a solar energy heat collector, the other end of the solar energy heat supplying pipe is connected with a liquid outlet of the solar energy heat collector, and a ground source heat pump module comprises a source water supplying pipeline, a source water returning pipeline, a first heat exchange coil, a second heat exchange coil, a heat pump, a water tank water outlet pipe, and a water tank water returning pipe. According to the solar energy and ground source heat pump combined hot water supplying system, by means of a manner of combining a solar energy heat collection module and the ground source heat pump module, when the temperature of water in the heat preservation water tank is beyond the reach of a set value, heat is transferred to the water in the water tank by the ground source heat pump module, so that the water can reach the set value; the solar energy and ground source heat pump combined hot water supplying system is capable of saving energy, environmental friendly, safe, reliable, low in cost and good in effect, and additional energy is not required.

Description

Solar energy and earth source heat pump combination hot-water supply system

Technical field

The utility model relates to a kind of hot-water supply system, particularly relates to a kind of solar energy and earth source heat pump combination hot-water supply system.

Background technology

At present, water heater product mainly contains gas heater, electric heater, solar water heater.All there are some shortcomings in traditional water heater product, the poor safety performance of gas heater is installed and used improper meeting and caused anthracemia separately, the danger that has blast and catch fire, and seriously polluted.The power consumption of electric heater is too large, and cost is higher, and maintenance cost is large.Although solar water heater is energy-conservation, in the lower area of temperature or winter poor effect.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of energy-conserving and environment-protective, the solar energy that safe and reliable, cost is low, effective and earth source heat pump combination hot-water supply system.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

Solar energy and an earth source heat pump combination hot-water supply system, comprise attemperater, solar energy heat collecting module, earth source heat pump module, controller, attemperater bottom connects running water water inlet pipe, and attemperater top connects hot water outlet pipe, the upper installation of hot water outlet pipe water pump B2, hot water outlet pipe's other end is connected with user side, mounting temperature sensor T2 on attemperater, and solar energy heat collecting module comprises solar thermal collector, solar-heating pipe, solar heat-exchange coil pipe, solar energy circulation pipe, solar heat-exchange coil pipe is positioned at attemperater, solar-heating pipe, one end of solar energy circulation pipe is connected with the two ends of solar heat-exchange coil pipe respectively, the solar energy circulation pipe other end is connected with the inlet of solar thermal collector, the solar-heating pipe other end is connected with the liquid outlet of solar thermal collector, on the solar-heating pipe at solar thermal collector liquid outlet place, temperature sensor T1 is housed, water circulating pump B1 is housed on solar energy circulation pipe, and earth source heat pump module comprises source supply channel, source water return pipeline, the first heat exchange coil, the second heat exchange coil, heat pump, radiator drain, water container backwater pipe, the two ends of the first heat exchange coil respectively with source supply channel, source water return pipeline connects, the two ends of the second heat exchange coil respectively with radiator drain, water container backwater pipe connects, radiator drain, water container backwater pipe is communicated with attemperater respectively, the evaporimeter of the first heat exchange coil and heat pump is coupled, and the condenser of the second heat exchange coil and heat pump is coupled, and water pump B3 is installed on radiator drain, magnetic valve F2 is installed on the supply channel of source, and controller receives temperature sensor T1, the signal of T2, control pump B1, the keying of B3 and magnetic valve F2.

The utility model solar energy and earth source heat pump combination hot-water supply system, the upper setting pressure switch of wherein said hot water outlet pipe, controller receives the signal of pressure switch, the keying of control pump B2.

The utility model solar energy and earth source heat pump combination hot-water supply system, setting pressure sensor P1 on wherein said attemperater, series electrical magnet valve F1 on running water water inlet pipe, controller receives the signal of pressure sensor P1, controls the keying of magnetic valve F1.

The utility model solar energy and earth source heat pump combination hot-water supply system, connect liquid-feeding tube on wherein said solar-heating pipe.

The utility model solar energy and earth source heat pump combination hot-water supply system, adopt the combined mode of solar energy heat collecting module and earth source heat pump module, when water temperature does not reach setting value in attemperater, by earth source heat pump module, transfer heat to the water in water tank, make it reach design temperature, not only energy-conserving and environment-protective, safe and reliable, effective, and without additional energy, cost is low, entire system is safeguarded simple, maintenance cost is low, long service life.

Below in conjunction with accompanying drawing, solar energy of the present utility model and earth source heat pump combination hot-water supply system are described further.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model solar energy and earth source heat pump combination hot-water supply system.

The specific embodiment

As shown in Figure 1, the utility model solar energy and earth source heat pump combination hot-water supply system comprise attemperater 1, solar energy heat collecting module, earth source heat pump module, controller (not shown), attemperater 1 bottom connects running water water inlet pipe 4, series electrical magnet valve F1 on running water water inlet pipe 4.Attemperater 1 top connects hot water outlet pipe 5, and water pump B2, pressure switch 51 are installed on hot water outlet pipe 5, and hot water outlet pipe's 5 other ends are connected for user withshower 52, basin 53 etc.Setting pressure sensor P1 and temperature sensor T2 on attemperater 1.

Solar energy heat collecting module comprises solarthermal collector 21, solar-heating pipe 22, solar heat-exchange coil pipe 23, solarenergy circulation pipe 24, and solarthermal collector 21 can arrange a plurality of as required, is four shown in figure.Solar heat-exchange coil pipe 23 is positioned at attemperater 1, one end of solar-heating pipe 22, solarenergy circulation pipe 24 is connected with the two ends of solar heat-exchange coil pipe 23 respectively, solarenergy circulation pipe 24 other ends are connected with the inlet of solarthermal collector 21, and solar-heating pipe 22 other ends are connected with the liquid outlet of solar thermal collector 21.On the solar-heating pipe 22 at solarthermal collector 21 liquid outlet places, temperature sensor T1 is housed, water circulating pump B1 is housed on solar energy circulation pipe 24.On solar-heating pipe 22, connect liquid-feeding tube 25, for supplementing anti-icing fluid.

Earth source heat pump module comprisessource supply channel 31, sourcewater return pipeline 32, the firstheat exchange coil 33, the secondheat exchange coil 34, heat pump,radiator drain 36, watercontainer backwater pipe 35, the two ends of the firstheat exchange coil 33 are connected withsource supply channel 31, sourcewater return pipeline 32 respectively, the two ends of the secondheat exchange coil 34 are connected withradiator drain 36, watercontainer backwater pipe 35 respectively, andradiator drain 36, watercontainer backwater pipe 35 are communicated with attemperater 1 respectively.Heat pump is in series by pipeline successively byevaporimeter 37,compressor 38,condenser 39,expansion valve 40, is wherein filled with cold-producing medium, andevaporimeter 37 and the firstheat exchange coil 33 are coupled, andcondenser 39 and the secondheat exchange coil 34 are coupled.Water pump B3 is installed onradiator drain 36, magnetic valve F2 is installed onsource supply channel 31.

Temperature sensor T1 is for detection of the temperature of solarthermal collector 21 interior anti-icing fluid, temperature sensor T2 is for detection of the temperature of attemperater 1 interior water, pressure sensor P1 is for detection of the water level in attemperater 1, pressure switch 51 is for detection of the pressure in hot water outlet pipe 5, controller receives the signal of temperature sensor T1, T2, pressure sensor P1 and pressure switch, the keying of control pump B1, B2, B3 and magnetic valve F1, F2.

The course of work of the utility model solar energy and earth source heat pump combination hot-water supply system is as follows:

Anti-icing fluid in solarthermal collector 21 absorbs after heat, through solar-heating pipe 22, enters solar heat-exchange coil pipe 23, transfers heat to the water in attemperater 1, then through solarenergy circulation pipe 24, flows back into solarthermal collector 21, recycles.Water in attemperater 1 heats up after absorbing heat, through hot water outlet pipe 5, flows out for user.

When the lower area of temperature, cloudy day or winter, when temperature sensor T2 detects the interior water temperature of attemperater 1 lower than 40 ℃, water pump B3, magnetic valve F2 start, source water transfers heat to after the cold-producing medium inevaporimeter 37 through the firstheat exchange coil 33, enter sourcewater return pipeline 32, cold-producing medium absorbs after heat further heats up bycompressor 38 compressions and transfers heat to the secondheat exchange coil 34 bycondenser 39, and recycles by enteringevaporimeter 37 afterexpansion valve 40 expansion coolings.Water in attemperater 1 enters the secondheat exchange coil 34 throughradiator drain 36, absorbs heat and flows back in attemperater 1 by water container backwater pipe 35.When the interior water temperature of attemperater 1 is during higher than 45 ℃, water pump B3 is out of service, and magnetic valve F2 closes.

When pressure sensor P1 detects the interior water level of attemperater 1 lower than setting value, by controller, control magnetic valve F1 and start supplementing water, when water level reaches setting value, magnetic valve F1 closes.

The temperature that detects than temperature sensor T2 when temperature that temperature sensor T1 detects is high when more than 10 ℃, controller controlled circulation water pump B1 startup; When the temperature difference between the two is less than 5 ℃, water circulating pump B1 is out of service.

When user uses hot water, hot water outlet pipe's 5 internal pressures reduce, and pressure switch 51 is controlled water pump B2 by controller and started, for user provides hot water.

Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.

Claims (4)

1. solar energy and an earth source heat pump combination hot-water supply system, is characterized in that: comprise attemperater, solar energy heat collecting module, earth source heat pump module, controller, attemperater bottom connects running water water inlet pipe, and attemperater top connects hot water outlet pipe, the upper installation of hot water outlet pipe water pump B2, hot water outlet pipe's other end is connected with user side, mounting temperature sensor T2 on attemperater, and solar energy heat collecting module comprises solar thermal collector, solar-heating pipe, solar heat-exchange coil pipe, solar energy circulation pipe, solar heat-exchange coil pipe is positioned at attemperater, solar-heating pipe, one end of solar energy circulation pipe is connected with the two ends of solar heat-exchange coil pipe respectively, the solar energy circulation pipe other end is connected with the inlet of solar thermal collector, the solar-heating pipe other end is connected with the liquid outlet of solar thermal collector, on the solar-heating pipe at solar thermal collector liquid outlet place, temperature sensor T1 is housed, water circulating pump B1 is housed on solar energy circulation pipe, and earth source heat pump module comprises source supply channel, source water return pipeline, the first heat exchange coil, the second heat exchange coil, heat pump, radiator drain, water container backwater pipe, the two ends of the first heat exchange coil respectively with source supply channel, source water return pipeline connects, the two ends of the second heat exchange coil respectively with radiator drain, water container backwater pipe connects, radiator drain, water container backwater pipe is communicated with attemperater respectively, the evaporimeter of the first heat exchange coil and heat pump is coupled, and the condenser of the second heat exchange coil and heat pump is coupled, and water pump B3 is installed on radiator drain, magnetic valve F2 is installed on the supply channel of source, and controller receives temperature sensor T1, the signal of T2, control pump B1, the keying of B3 and magnetic valve F2.

2. solar energy according to claim 1 and earth source heat pump combination hot-water supply system, is characterized in that: the upper setting pressure switch of described hot water outlet pipe, controller receives the signal of pressure switch, the keying of control pump B2.

3. solar energy according to claim 2 and earth source heat pump combine hot-water supply system, it is characterized in that: setting pressure sensor P1 on described attemperater, series electrical magnet valve F1 on running water water inlet pipe, controller receives the signal of pressure sensor P1, controls the keying of magnetic valve F1.

4. solar energy according to claim 3 and earth source heat pump combination hot-water supply system, is characterized in that: on described solar-heating pipe, connect liquid-feeding tube.

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