太阳能-热泵热水器

Abstract

本实用新型涉及一种太阳能‑热泵热水器，包括：热泵机组，包括压缩机、冷凝器、节流阀以及蒸发器，蒸发器具有可进行热交换的第一支路与第二支路，压缩机、冷凝器、节流阀以及第一支路依次流体连通并构成一条供第一介质循环流动的热泵回路，冷凝器供第一介质与供暖用水进行热交换，冷凝器具有供供暖用水流入的流体入口与供供暖用水流出的流体出口；和太阳能机组，包括水泵、蓄水箱以及可利用太阳能加热第二介质的若干真空管组，若干真空管组与第二支路流体连通并构成一条可供第二介质循环流动的太阳能回路，水泵与蓄水箱均配置于太阳能回路上。该太阳能‑热泵热水器可在太阳能供给不充足时，仍利用真空管组吸收太阳能并加热第二介质，以对外供热。

Claims

1. A solar-heat pump water heater, characterized by, include: A heat pump unit includes a compressor, a condenser, a throttling valve, and an evaporator. The evaporator has a first branch and a second branch for heat exchange. The compressor, the condenser, the throttling valve, and the first branch are sequentially fluidly connected to form a heat pump circuit for circulating a first medium. The condenser allows the first medium to exchange heat with heating water. The condenser has a fluid inlet for heating water to flow in and a fluid outlet for heating water to flow out. and The solar power unit includes a water pump, a water storage tank, and several vacuum tube assemblies that can use solar energy to heat a second medium. The several vacuum tube assemblies are in fluid communication with the second branch and form a solar circuit that allows the second medium to circulate. The water pump and the water storage tank are both configured on the solar circuit.

2. The solar-heat pump water heater of claim 1, wherein, The solar unit also includes a first bypass that allows a second medium to bypass the plurality of vacuum tube assemblies.

3. The solar-heat pump water heater of claim 2, wherein, The solar unit further includes a first three-way valve and a second three-way valve. The first three-way valve has a first inlet for the second medium to flow in, a first outlet fluidly connected to the plurality of vacuum tube groups, and a second outlet. The second three-way valve has a second inlet fluidly connected to the plurality of vacuum tube groups, a third inlet fluidly connected to the second outlet, and a third outlet fluidly connected to the second branch. The first bypass is formed between the second outlet and the third inlet.

4. The solar-heat pump water heater according to claim 3, wherein, The solar unit is also equipped with a first thermometer located at the water outlet of the plurality of vacuum tube groups, and the first three-way valve and the second three-way valve are both signal connected to the first thermometer.

5. The solar-heat pump water heater of claim 1, wherein, The aforementioned vacuum tube groups consist of three sets of vacuum tube groups connected in series.

6. The solar-heat pump water heater of claim 1, wherein, The heat pump unit is equipped with a second bypass for the first medium to bypass the evaporator.

7. The solar-heat pump water heater of claim 6, wherein, The heat pump unit is equipped with a third three-way valve and a fourth three-way valve. The third three-way valve has a fourth inlet fluidly connected to the throttle valve, a fourth outlet fluidly connected to the first branch, and a fifth outlet. The fourth three-way valve has a fifth inlet fluidly connected to the evaporator, a sixth inlet fluidly connected to the fifth outlet, and a sixth outlet fluidly connected to the compressor. The second bypass is formed between the fifth outlet and the sixth inlet.

8. The solar-heat pump water heater of claim 7, wherein, The heat pump unit is also equipped with a second thermometer located at the water inlet of the compressor, and the third three-way valve and the fourth three-way valve are both signal connected to the second thermometer.

9. The solar-heat pump water heater of claim 1, wherein, The condenser includes a housing with an inner cavity and a coil located in the inner cavity. The fluid inlet and the fluid outlet are both opened on the housing and are in fluid communication with the inner cavity. The first branch, the coil and the throttle valve are in fluid communication in sequence.

Images