CN201628392U - Water tank and heat pump water heater - Google Patents

Abstract

The utility model relates to a water tank, including inner bag (1) and water inlet (2), delivery port (3) of setting on this inner bag (1), wherein, inner bag (1) is established ties in proper order by two at least regions (4) and is constituted, has connecting portion (5) of small bore between region (4), the water tank has two at least delivery ports (3), delivery port (3) set up on region (4) of difference. The water tank with the structure has obvious water temperature stratification inside, compact structure, can reduce the mixing of cold water and hot water inside the water tank, increase the hot water output rate, flexibly obtain water in high-temperature and medium-temperature isothermal zones according to the requirement and save energy.

Description

Water tank and heat pump water heater

technical field

The utility model relates to a water tank, in particular to a water temperature layered water tank.

Background technique

At present, split-type single-cooling air conditioners or heat pump air conditioners are generally used in residential households to cool or heat indoors, and gas water heaters or electric water heaters are used to produce domestic and sanitary water. Especially when using a single-cooling air conditioner for cooling, a large amount of heat will be emitted to the outside, which not only wastes energy, but also causes thermal pollution to the outdoor air, which is very unfavorable for environmental protection.

Therefore, in order to realize the purpose of saving energy and reducing consumption, people have invented a water heater that uses the heat of the high-temperature working medium generated by the air-conditioning compressor to heat the low-temperature water in the water tank of the water heater. The difference is that a working fluid heat exchanger is added in the water tank.

In the prior art, for example, a high-efficiency thermal energy heat pump water heater water tank mentioned in Patent No. ZL200620055714. Tank, refrigerant coil and outlet pipe, etc. Wherein, each inner tank is equipped with a heat collecting tank, and the refrigerant coil is arranged in the heat collecting tank, and the inner tanks are connected through at least two channels, and the top of the outlet pipe is located in the uppermost inner tank and passes through the inner tank. The bottom of each liner is connected to the hot water outlet, the top of each heat collecting tank is provided with a circulating water outlet, and the bottom is provided with at least one circulating water inlet.

The cold water coming in from the water inlet gradually rises from bottom to top in the water tank, and exchanges heat with the condenser in the heat collecting tank during the rising process, then flows out of the heat collecting tank into the inner tank, and then flows out of the heat collecting tank from the water outlet. water.

However, this technical solution has the following disadvantages: when the water inside is heated, the water temperature stratification is not obvious; and only one temperature of water can be output, which cannot be applied to various needs.

Therefore, people are badly in need of a kind of water tank, the water temperature stratification of its inside is obvious, and can reduce the mixing of cold and hot water inside the water tank and improve the hot water output rate when outputting hot water. In addition, water at various temperatures can be obtained as required.

Utility model content

The purpose of the utility model is to provide a water tank which can stratify the water temperature and draw water of different temperatures as required.

In order to achieve the above purpose, technical solution 1 of the present utility model provides a water tank, including an inner tank and a water inlet and a water outlet arranged on the inner tank, wherein the inner tank is composed of at least two areas connected in series, and the areas between the areas There are small-diameter connections, and the water tank has at least two water outlets, which are arranged on different areas.

On the basis of the structure of the above-mentioned technical solution 1, in the water tank of the technical solution 2, each area has a cylindrical structure, protruding outward in an arc shape near the connecting portion.

On the basis of the structure of the above technical solution 1, in the water tank of the technical solution 3, the connection part is arranged on the central axis of each area.

In addition, on the basis of the structure of the above technical solution 1, in the water tank of the technical solution 4, the connecting part is a detachable movable connection.

In addition, on the basis of the structure of the above-mentioned technical solution 1, in the water tank described in the technical solution 5, the inner tank has an insulating layer.

The utility model also provides a heat pump water heater, which includes the water tank described in technical solution 1 and a condenser arranged in the water tank, and the condenser is arranged in each area through the connecting portion.

In addition, on the basis of the above-mentioned technical solution of the heat pump water heater, the connection part is arranged on the central axis of each area.

[Beneficial effects of the utility model]

Due to the adoption of the structure of the water tank in the utility model, that is, small-diameter connecting parts are arranged between the regions to limit the flow of water, make the water temperature stratified, and reduce the mixing of cold and hot water inside the water tank when outputting hot water, thereby increasing the temperature. Water output rate, moreover, by setting water outlets in different areas, water in high temperature and medium temperature areas can be flexibly obtained according to needs, saving energy.

Description of drawings

Fig. 1 is the figure that represents the utility model water tank use state.

Fig. 2 is a structural schematic diagram of the utility model water tank.

Detailed ways

Below, the specific implementation manner of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in Figures 1 and 2, the heat pump water heater in this embodiment includes a water tank and a condenser 6 arranged in the water tank. The water inlet 2 and the water outlet 3 on the 1, the bottom of the inner tank 1 are closed, and an opening is formed on the top. The condenser 6 is generally in a spiral shape, enters the interior of the inner tank 1 from the opening, reverses back near the bottom of the inner tank 1 , and protrudes from the opening.

The liner 1 has a plurality of regions 4 (three in this case), and the respective regions 4 are connected in series by a small-diameter cylindrical connecting portion 5 . The connecting portion 5 is provided on the central axis of each region 4 . In this way, the condenser 6 can be inserted as a whole or taken out from the inner container, which is convenient for installation. Each area 4 has a cylindrical structure, protruding outward in an arc shape near the connecting portion 5 . This can reduce the impact of resistance to water during the flow of water, and is beneficial to the flow of water in the inner tank 1 . In addition, the connecting part 5 is a detachable movable connection, and in this embodiment, a threaded connection is used, but of course a buckle connection or the like may also be used. By adopting flexible connections, the structure of the inner tank 1 can be made more flexible and changeable, and multiple regions 4 can be set as required, and water of different temperatures can be formed in different regions 4 .

The water inlet 2 is close to the bottom of the liner 1, that is, close to the closed end. There are multiple water outlets 3 , and at least one water outlet 3 is provided on other areas 4 other than the area 4 where the closed end is located. This makes it possible to obtain water of the desired temperature from zones 4 with water of different temperatures.

In addition, magnesium rods 8 are also provided on each area 4, and by inserting the magnesium rods into each area 4 and contacting with water, scaling of water during heating can be prevented.

In addition, a thermometer 7 can also be set near the water inlet and each water outlet, so that the user can easily grasp the temperature of the water in each area 4 and select it according to needs. In this embodiment, a thermometer 7 is only arranged on the water inlet and the topmost region 4. When the temperature of the water in the water inlet and the topmost region 4 is known, it can be deduced that the middle region 4 is basically A value in the middle of the two temperature values. .

The process of producing hot water in the utility model is as follows: cold water enters the lower area 4 from the water inlet 2, and the high-temperature working fluid flowing through the condenser 6 exchanges heat with it. As shown in FIG. 1 , the high-temperature working medium enters the inner tank 1 from the opening above the inner tank 1 , exchanges heat with cold water therein, and then flows out from the opening above the inner tank 1 . As the water flows upwards and the water surface rises, the water that first enters the inner tank 1 will have a longer time to exchange heat with the high-temperature working medium in the condenser 6, and the water temperature will be higher. Moreover, since the density of high-temperature water is lower than that of low-temperature water, water of different temperatures is stratified in the inner tank 1 in the vertical direction in the figure, and the temperature of the water in the upper region 4 is higher. at the temperature of the water in the lower zone 4 .

Moreover, since the high-temperature working fluid flowing in the condenser 6 is supplied from the top of the inner tank 1, this also makes the temperature of the high-temperature working fluid contacted by the water in the uppermost region 4 the highest, and as the high temperature The working fluid exchanges heat with the water in each zone 4 during the downward flow, and the temperature of the high-temperature working fluid is also gradually reduced. In this way, further, the temperature of the water in the uppermost region 4 is the highest, and the lower the water temperature is, the lower it is.

In addition, since the various areas 4 are connected in series through small-diameter connecting parts 5, the convection of water is contained to a certain extent, and an area with obvious water temperature stratification can be formed, that is, the water temperature in the upper area 4 is obviously higher than that of Water temperature in the lower zone 4.

People can open the water outlet 3 on the middle area 4 or the water outlet 3 on the upper area 4 to obtain medium-temperature water or high-temperature water according to needs. At this point, the cold water will still be replenished and heated upwards.

The utility model can be connected to the refrigerant pipeline of the existing single-cooling air conditioner or heat pump type air conditioner, and uses the heat generated during its operation to produce hot water. Moreover, because the internal water temperature stratification is obvious, it can be flexibly Heating to produce high-temperature and medium-temperature hot water, which can save energy.

Certainly, the present utility model is not limited to the above-mentioned embodiments, and appropriate changes can be made without departing from the inventive concepts in the specification and claims of the present utility model. For example, the regions 4 are connected with inclined surfaces whose diameters become smaller as they approach the connecting portion 5 at a portion closer to the connecting portion 5 .

Claims (7)

1. water tank comprises inner bag (1) and is arranged on water inlet (2), delivery port (3) on this inner bag (1), it is characterized in that:

Described inner bag (1) has small-bore connecting portion (5) by at least two zones (4) formation of contacting successively between zone (4), and described water tank has at least two delivery ports (3), and described delivery port (3) is arranged on the different zone (4).

2. water tank according to claim 1 is characterized in that:

Each zone all is cylinder-like structure, outwards gives prominence to circular-arc at the position near described connecting portion (5).

3. water tank according to claim 1 is characterized in that:

Described connecting portion (5) is arranged on the central axis of each zone (4).

4. water tank according to claim 1 is characterized in that:

Described connecting portion (5) is dismountable flexible connection.

5. water tank according to claim 1 is characterized in that: described inner bag (1) has heat-insulation layer.

6. Teat pump boiler is characterized in that:

It comprises water tank described in the claim 1 and the condenser (6) that is arranged in this water tank, and described condenser (6) runs through described connecting portion (5) and is arranged in each zone (4).

7. Teat pump boiler according to claim 6 is characterized in that: described connecting portion (5) is arranged on the central axis of each zone (4).

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