CN201819401U - Insulated water tank for air source heat pump water heater - Google Patents

Abstract

The utility model discloses a heat insulating water tank of a water heater of an air source heat pump, which comprises a water tank inner container (1) and a refrigerant pipe (2). A spiral groove (1.1) disposed on the outer wall of the water tank inner container (1) is wound on the outer wall of the water tank inner container (1), and the refrigerant pipe (2) is embedded in the groove (1.1). The heat insulating water tank of a water heater of an air source heat pump avoids leakage of refrigerant from the copper pipe into water of the water tank, is fine in safety, and realizes high energy efficiency ratio of the water heater.

Description

Insulated water tank for air source heat pump water heater

technical field

The utility model relates to an air source heat pump water heater, in particular to a thermal insulation water tank of the air source heat pump water heater.

Background technique

At present, most of the refrigerant pipes of the thermal insulation water tanks of air source heat pump water heaters on the market are spirally wound in the inner tank of the water tank. The effect of temperature difference or other conditions can easily cause the refrigerant to leak from the copper pipe into the water tank, causing machine failure and even causing personal safety problems for customers; there are also a small number of external disk air source heat pump water heaters in the market. The refrigerant pipe is directly spirally wound On the outer wall of the inner tank of the water tank, the energy efficiency ratio of the water heater is too low due to the small contact area between the refrigerant pipe and the inner tank of the water tank.

Utility model content

The technical problem to be solved by the utility model is to provide an air source heat pump water heater insulation water tank which prevents the refrigerant from leaking from the copper pipe into the water tank, has good safety, and has a high energy efficiency ratio of the water heater.

The technical solution of the utility model is to provide an insulating water tank for an air source heat pump water heater with the following structure, including a water tank liner and a refrigerant pipe, the outer wall of the water tank liner is provided with a spiral groove that wraps around the outer wall. The refrigerant pipe is embedded in the groove.

After adopting the above structure, compared with the prior art, the utility model has the following advantages: due to the method of pressing the groove on the outer wall of the inner tank of the water tank and then inserting the refrigerant pipe into the groove, that is, the refrigerant pipe is installed on the outer wall of the inner tank of the water tank , so that the refrigerant in the refrigerant pipe of the heat pump water heater will not leak into the water, and the refrigerant pipe is embedded in the groove, which ensures the contact area between the two and ensures the energy efficiency ratio of the water heater.

As an improvement, the inner cavity of the groove matches the shape of the refrigerant pipe, so that the refrigerant pipe and the groove are completely fitted together, increasing the contact area between the two, and improving thermal conductivity.

As an improvement, a heat conduction paste layer is provided in the gap between the refrigerant pipe and the groove to increase the direct contact area between the two, reduce the heat insulation effect brought by the air layer, and improve heat conduction efficiency.

Description of drawings

Accompanying drawing 1 is the installation diagram of the water tank liner and the refrigerant pipe of the thermal insulation water tank of the air source heat pump water heater of the present utility model.

Accompanying drawing 2 is the enlarged schematic view of part A of Fig. 1 .

Accompanying drawing 3 is the structure diagram of the thermal insulation water tank of the air source heat pump water heater of the present utility model.

As shown in the figure: 1. Water tank liner, 2. Refrigerant pipe, 3. Thermal paste layer, 4. Foam layer, 5. Spray outer layer, 6. Hot water outlet, 7. Electric heating tube, 8. Cold water inlet , 9, sewage outlet, 10, foot.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

As shown in Fig. 1 and Fig. 2, the thermal insulation water tank of the air source heat pump water heater of the present invention includes a water tank liner 1 and a refrigerant pipe 2, and the outer wall of the water tank liner 1 is provided with a spiral groove 1.1 winding its outer wall, The refrigerant pipe 2 is embedded in the groove 1.1, that is, the refrigerant pipe 2 is also spiral.

The cavity of the groove 1.1 matches the shape of the refrigerant pipe 2.

A thermally conductive paste layer 3 is also provided in the gap between the refrigerant pipe 2 and the groove 1.1.

As shown in Figure 3, in the insulation water tank of the air source heat pump water heater of the present utility model, the outside of the water tank liner 1 is also wrapped with a foam layer 4, and the foam layer 4 is a polyurethane foam layer. The foam layer 4 is also provided with a sprayed outer layer 5, the top of the water tank liner 4 is provided with a hot water outlet 6, and the bottom of the water tank liner 4 is provided with a cold water inlet 8 and an electric heating tube 7. The bottom of the water tank liner 4 is provided with a sewage outlet 9, and the lowest end of the thermal water tank is provided with an anchor 10.

The above is only a description of the preferred examples of the application of the utility model, but should not be construed as a limitation on the claims. The structure of the utility model technology can have other changes, not limited to the above structure, such as the groove 1.1 can be continuous or segmented, the cross-sectional shape of the groove 1.1 can be various geometric shapes and so on. In a word, all the various changes made within the scope of protection of the independent claims of the utility model are within the scope of protection of the utility model.

Claims (3)

1. An insulated water tank for an air source heat pump water heater, comprising a water tank liner (1) and a refrigerant pipe (2), characterized in that: the outer wall of the water tank liner (1) is provided with a spiral groove winding its outer wall ( 1.1), the refrigerant pipe (2) is embedded in the groove (1.1). 2. The thermal insulation water tank of the air source heat pump water heater according to claim 1, characterized in that: the inner cavity of the groove (1.1) matches the shape of the refrigerant pipe (2). 3. The thermal insulation water tank of the air source heat pump water heater according to claim 1, characterized in that: the gap between the refrigerant pipe (2) and the groove (1.1) is also provided with a thermally conductive paste layer (3) .

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