CN215523756U

CN215523756U - Water heater water tank and air can water heater

Info

Publication number: CN215523756U
Application number: CN202121809126.5U
Authority: CN
Inventors: 赵密升; 卢梓强; 李建国; 张远忠
Original assignee: Guangdong New Energy Technology Development Co Ltd
Current assignee: Guangdong Newente New Energy Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-14
Anticipated expiration: 2031-08-04

Abstract

The application provides a water heater water tank and air can water heater, include: the heat exchanger is cylindrical, and the lower end of the heat exchanger is fixed at the bottom of the inner container; the magnetic stirring shaft is arranged at the bottom of the inner container and is positioned below the central position of the bottom of the heat exchanger; and the magnetic stirrer is arranged at the bottom of the box body and is positioned below the inner container. The magnetic stirring shaft is driven by the magnetic stirrer to rotate at the bottom of the inner container in the heating process of the water heater, so that water at the bottom is stirred, the mixing of cold and hot water in the water heater is accelerated, the condition of hot and cold water stratification in the inner container is effectively relieved, the temperature rise of water in the inner container of the water heater is more stable, and the water heating speed in the inner container is increased.

Description

Water heater water tank and air can water heater

Technical Field

The application relates to the field of water heaters, in particular to a water tank of a water heater and an air energy water heater.

Background

Whether the continuous output temperature of hot water is stable or not is an important detection index when the air energy water heater is in use. In a conventional air energy water heater, as the temperature of water is lower and the density of water is higher, heated hot water flows to the upper part of the water heater, cold water sinks to the lower part, and cold water and hot water have a zoning phenomenon, which is particularly obvious on a large-capacity water heater.

In order to prevent the occurrence of the cold and hot water partition condition, the prior art adopts the scheme of adding the baffle at the water inlet, when cold water enters the water tank through the water inlet, the cold water entering is shunted through the baffle, so that the cold water is dispersed and injected into the water tank, thereby increasing the mixing of the cold and hot water and improving the mixing effect of the cold and hot water. However, the baffle can only play a role in mixing by newly injected cold water when the water heater is dynamically used, and when the water heater is in static heating, the baffle in the prior art cannot play a role, and the layering phenomenon still exists. Therefore, when the water heater is in static heating, the cold water is concentrated at the lower part of the water heater, the cold water and the hot water are in a partitioned mode, and one of the performance evaluation indexes of the water heater in the static heating is that the average temperature meets the threshold requirement, so that the water heater water tank in the prior art needs to heat part of the water to the temperature higher than the temperature threshold in order to meet the performance requirement, the average temperature needs to meet the threshold requirement, but the condensation temperature of a refrigerating system is higher in the process, the overall consumed power of the water heater is increased, and the energy efficiency ratio of the water heater is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the application provides a water tank of a water heater and an air energy water heater, and is used for solving the problems that when the air energy water heater is in static heating, the water heater is too high in power consumption and too low in energy efficiency ratio due to the fact that cold and hot water is partitioned by liquid in an inner container.

In order to solve the above problems, an aspect of the present application provides a water tank for a water heater, comprising:

the heat exchanger is fixed at the bottom of the inner container, and the structure of the heat exchanger is cylindrical;

the magnetic stirring shaft is arranged at the bottom of the inner container and is positioned below the central position of the bottom of the heat exchanger;

the magnetic stirrer is arranged at the bottom of the box body and is positioned below the inner container;

the magnetic output surface of the magnetic stirrer is parallel to the magnetic stirring shaft, and the magnetic stirring shaft is positioned above the central position of the magnetic output surface of the magnetic stirrer.

Furthermore, a fixing plate is arranged at the bottom of the inner container, the magnetic stirring shaft is arranged on the fixing plate, and the fixing plate is arranged in parallel with the magnetic output surface of the magnetic stirrer.

Furthermore, a limiting part is arranged on the fixing plate, and the magnetic stirring shaft is arranged in the limiting part.

Furthermore, the locating part is a circular hollow structure, and the inner diameter of the locating part is larger than the length of the magnetic stirring shaft.

Further, the liner body of the inner liner comprises a lower end enclosure; the fixed plate is welded at the bottom of the lower end enclosure.

Furthermore, a through hole is arranged on the fixing plate.

Furthermore, the bottom of the heat exchanger is fixedly connected with the inner container.

Further, the inner container is made of stainless steel.

Further, a gap between the box body and the inner container is filled with a heat-insulating foaming material; and a heat-insulating foaming material is filled in a gap between the inner container and the magnetic stirrer.

This application on the other hand still provides a water heater water tank, adopts the water heater water tank of above-mentioned structure.

Compared with the prior art, the embodiment of the application has the advantages that: the magnetic stirring shaft is arranged at the bottom of the inner container, the magnetic stirrer is arranged below the inner container, and the magnetic stirring shaft is driven to rotate at the bottom of the inner container by the magnetic stirrer in the heating process of the water heater, so that water at the bottom is stirred, the mixing of cold and hot water in the water heater is accelerated, the condition of hot and cold water layering in the inner container is effectively relieved, the water heating speed in the inner container is improved, the temperature rise of the water in the inner container of the water heater is more uniform, when the water heater is used in an air energy water heater, the power consumption of the water heater can be reduced, and the energy efficiency ratio of the air energy water heater is improved; meanwhile, the water heater water tank disclosed by the embodiment of the application has a simple integral structure by adopting magnetic stirring, the bottom structure of the inner container of the original water heater is not required to be damaged, the transportation and installation difficulty of the water heater is reduced, and the conditions of water leakage and heat loss in the use process are also avoided.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a water heater tank of the present application;

FIG. 2 is a schematic structural view of a magnetic stirring device in a water tank of a water heater according to the present application;

FIG. 3 is a schematic structural view of a water tank of a water heater according to another embodiment of the present application;

fig. 4 is a schematic structural diagram of a position limiting element in another embodiment of the present application.

Wherein the reference numerals are:

a box body 1; an inner container 2; a heat exchanger 3; a fixed plate 4; a magnetic stirrer 5; a magnetic stirring shaft 6; a stopper 7; a fixing plate through hole 8; a stopper through hole 9.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

For easy understanding, please refer to fig. 1 to 2, fig. 1 is a schematic diagram of an overall structure of a water tank of a water heater according to the present application; FIG. 2 is a schematic structural view of a magnetic stirring device of a water tank of a water heater according to the present application.

The application provides a water heater water tank specifically can include: the device comprises a box body 1, an inner container 2, a heat exchanger 3, a magnetic stirring shaft 6 and a magnetic stirrer 5;

the water tank of the water heater is composed of a tank body 1 and an inner container 2 arranged in the tank body 1, and the inner container 2 is of a hollow cylinder structure. The heat exchanger 3 is arranged in the inner container 2, the heat exchanger 3 is a cylindrical structure surrounded by heat exchange tubes, and the lower end of the heat exchanger 3 is fixed at the bottom of the inner container 2. The heat exchanger 3 can be for the cylindric structure that the heat exchange tube spiral coiling formed, and the entry of heat exchanger 3 is all at the lower extreme of inner bag 2, also can coil according to other modes to at the heat exchanger during operation, the lower extreme obtains higher exchange temperature, makes inner bag bottom heat up faster, increases the exchange of hot and cold water. With this structure, heat exchange is increased to some extent, which can improve the exchange of hot and cold water during static heating, but hot and cold water stratification is still unavoidable.

As a further improvement, in this embodiment, a magnetic stirring shaft 6 is disposed below the heat exchanger 3, a magnetic stirrer 5 is disposed below the outer side of the bottom of the inner container 2, a magnetic output surface of the magnetic stirrer 5 is disposed in parallel with the magnetic stirring shaft 6, and the magnetic stirring shaft 6 is located above the center of the output surface of the magnetic stirrer 5. When the heat exchanger 3 statically heats water in the inner container, the magnetic stirring shaft 6 is driven by the magnetic stirrer 5 to rotate below the heat exchanger 3, so that mixed water flow is formed from the bottom of the water tank inner container 2, and cold and hot water exchange in the inner container 2 is increased. Because the heat exchanger 3 is of a cylindrical structure, when the magnetic stirring shaft 6 rotates to form disturbed water flow, the water flow formed by the cold water at the lower layer of the bottom of the inner container and the hot water on the surface of the heat exchange tube of the heat exchanger 3 are disturbed and the flow of the water flow on the surface of the heat exchange tube is accelerated, so that the heat exchange effect can be further enhanced. Through adjusting the diameter of the cylindric structure of heat exchanger 3, the internal diameter of cooperation inner bag 2 sets up, can obtain better mixed flow effect. In the above embodiment, the mixed flow is formed at the bottom of the inner container 2, and the inner container 2, the heat exchanger 3 and the magnetic stirring shaft 6 are arranged in a matched manner, so that the water heating speed of the inner container is remarkably increased when the water heater is in static heating, the water temperature in the inner container is more even, the hot and cold water stratification is avoided, and when the water heater is used in an air energy water heater, the condensation temperature of the heat pump system of the air energy water heater can be reduced, and the power consumption of the heat pump system is reduced.

In other embodiments of the present application, further, the magnetic stirring shaft can be placed by disposing the fixing plate 4, so that the mechanism at the bottom of the liner 2 does not need to be adjusted by disposing the magnetic stirring shaft, for example, the mechanism is disposed on a plane for disposing the magnetic stirring shaft. When the fixing plate is used for placing the magnetic stirring shaft, the magnetic stirring shaft 6 is arranged on the fixing plate 4, and the fixing plate 4 is fixed at the bottom of the inner container 2.

In another embodiment, when the fixing plate 4 is used to place the magnetic stirring shaft 6, referring to fig. 2, the fixing plate 4 is fixed at the bottom of the inner container 2, and the magnetic stirring shaft 6 is disposed above the fixing plate 4. The magnetic stirrer 5 is positioned below the inner container 2, and the magnetic output surface of the magnetic stirrer 5 is arranged in parallel with the magnetic stirring shaft 6. When the fixing shaft is placed by the fixing plate, the bottom of the inner container 2 is not limited to be a plane any more, and can be a concave arc bottom structure or other structures. Set up a plurality of fixed plate through-holes 8 that are used for the water conservancy diversion on fixed plate 4, when magnetic stirring shaft 6 rotated, form disturbance rivers below the magnetic stirring shaft rotation range in the locating part region, change fixed plate below pressure, form reverse replenishment rivers in other directions to increase the disturbance scope of bottom cold water.

Simultaneously, be provided with locating part 7 on the fixed plate, magnetic stirring shaft 6 is established in locating part 7, and locating part 7 lower extreme cross-section is circular, and the circular shape diameter is greater than magnetic stirring shaft 6's length to magnetic stirring shaft 6 can rotate under the magnetic field drive that magnetic stirrer 5 formed, and locating part 7 upper end is provided with the opening that is used for the water conservancy diversion, and the shape of opening can set up needs according to the vortex setting, so that the rivers that magnetic stirring shaft stirring formed flow out through the opening and form the vortex.

Furthermore, a scheme that a fixed shaft is arranged on the fixed plate can be adopted to replace a limiting part, namely the magnetic stirring shaft is rotatably fixed on the fixed shaft, and when the fixed shaft is adopted, the magnetic stirring shaft 6 and the magnetic output surface of the magnetic stirrer 5 are arranged in parallel through the structure, so that the magnetic stirrer 5 can drive the magnetic stirring shaft 6 to rotate at the bottom of the inner container 2 conveniently.

Further, locating part 7 can be the ring structure, the ring structure that encloses through the thin slice of steel sheet or other materials promptly, and the internal diameter of locating part 7 is greater than magnetic stirring shaft 6's length for magnetic stirring shaft 6 can be placed inside locating part 7. Furthermore, a baffle or a closing structure may be disposed at the upper end edge of the limiting member 7, so that the maximum opening length of the opening portion of the limiting member 7 is slightly smaller than the length of the magnetic stirring shaft 6, and the magnetic stirring shaft 6 is prevented from departing from the range of the limiting member during transportation or installation.

In another embodiment of the present application, further, the magnetic stirring shaft 6 is disposed at the bottom center of the heat exchanger 3, and the bottom heat exchange tube of the heat exchanger 3 is disposed along the upper surface of the fixing plate 3.

Furthermore, be provided with locating part through-hole 9 on the 7 lateral walls of locating part, carry out the water conservancy diversion to the rivers that are disturbed in the locating part 7 through locating part through-hole 9 on the lateral wall for rivers can flow along the through-hole of lateral wall, form the rivers of different flow directions, increase the disturbance effect to 2 bottom rivers of inner bag. In another embodiment of the present application, the heat exchange tube at the bottom of the heat exchanger 3 may be disposed along the upper surface of the fixing plate 4, so that a non-closed circular heat conduction tube is formed on the surface of the fixing plate, the limiting member 7 is disposed at the center of the heat exchange tube at the bottom of the heat exchanger 3, and the disturbance effect of the cold water flow is adjusted by fully utilizing the through hole 9 of the limiting member and the position setting.

Referring to fig. 3 and 4, in another embodiment of the present application, the limiting member 7 is a hollow conical structure with a narrow top and a wide bottom, a diameter of an end of the conical structure, which is open upward, is smaller than a length of the magnetic stirring shaft 6, and a diameter of an end of the annular structure, which is fixedly connected to the fixing plate 4, is larger than the length of the magnetic stirring shaft 6, so that the magnetic stirring shaft 6 can rotate within a range below the limiting member. Meanwhile, a plurality of limiting member through holes 9 for guiding flow can be arranged on the side wall of the limiting member 7 as in the previous embodiment, so as to form water flow at different levels from the opening part, and adjust and change the disturbance direction of the water flow. When the liner is specifically arranged, the skilled person can correspondingly arrange the liner according to the above teaching and in combination with the space and shape of the liner.

In another embodiment of the present application, the container body of the inner container is composed of a plurality of parts, for the convenience of installation, the fixing plate 4 is welded at the bottom of the lower end enclosure of the inner container 2, and the magnetic stirring shaft 6 and the fixing plate 4 are arranged at the center of the fixing plate. Meanwhile, the main body of the inner container 2 is made of stainless steel, so that corrosion is avoided.

A plurality of through holes can be formed in the fixing plate 4, so that water flow below the fixing plate 4 and on the side face of the limiting part can be disturbed in the rotating process of the magnetic rotating shaft 6, and the disturbing effect is improved.

Furthermore, the inlet end of the heat exchange tube of the heat exchanger 3 passes through the fixing plate 4 and is fixed on the lower end enclosure of the inner container 2, so that the installation and the transportation are convenient, and the installation space is further saved.

Fill in the clearance at water tank box 1 and inner bag 2 and have heat preservation expanded material, be provided with magnetic stirrers 5 in the below of inner bag 2 and the position in the middle of box 1, magnetic stirrers 5 and inner bag 2 direct contact not fill heat preservation expanded material between magnetic stirrers 5 and inner bag 2, separate magnetic stirrers 5 and inner bag 2 through insulation material, form the heat preservation between the two, further reduce heat loss.

In the above embodiment, form the magnetic force disturbance device who sets up in the inner bag both sides through adopting magnetic stirring shaft 6 and magnetic stirrer 5, because its power take off is outside the inner bag, can drive the inside magnetic stirring shaft 6 of inner bag and rotate under the condition of contactless inner bag through magnetic drive, its installation is simple, the process degree of difficulty that has avoided perforating on the inner bag and lead to increases, the cost improves, and owing to destroy the structure of inner bag, leave and probably appear the infiltration through the junction, calorific loss's risk.

Further, this application still provides an air can water heater, adopts the water heater water tank of above-mentioned structure for the air can water heater when static heating, has improved the speed that its water heater water tank inner bag heated water, makes the temperature more even in the inner bag, avoids the hot and cold water layering, and then can reduce the condensation temperature of air can water heater heat pump system, thereby reduces the consumption of heat pump system.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides a water heater water tank, the water tank includes the box and sets up the inner bag in the box which characterized in that includes:

the heat exchanger is cylindrical, and the lower end of the heat exchanger is fixed at the bottom of the inner container;

the magnetic stirring shaft is arranged at the bottom of the inner container and is positioned in the center of the bottom of the heat exchanger;

the magnetic stirrer is arranged below the inner container at the bottom of the box body;

the magnetic output surface of the magnetic stirrer is parallel to the magnetic stirring shaft, and the magnetic stirring shaft is positioned above the center of the magnetic output surface of the magnetic stirrer.

2. The water tank of the water heater as recited in claim 1, wherein a fixing plate is arranged at the bottom of the inner container, and the magnetic stirring shaft is arranged on the fixing plate.

3. The water tank of the water heater according to claim 2, wherein a limiting member is fixedly arranged on the fixing plate, the magnetic stirring shaft is arranged in the limiting member, the cross section of the lower end of the limiting member is circular, the diameter of the circle is larger than the length of the magnetic stirring shaft, and an opening part for guiding flow is arranged at the upper end of the limiting member.

4. The water heater tank as recited in claim 3, wherein the retainer is an annular structure.

5. The water tank as claimed in claim 3, wherein the heat exchange tube at the bottom of the heat exchanger is arranged along the upper surface of the fixing plate, and the limiting member is arranged at the center of the heat exchange tube at the bottom of the heat exchanger.

6. The water heater tank as recited in claim 3, wherein a maximum opening length of the opening is less than a length of the magnetic stirring shaft.

7. The water tank as claimed in claim 6, wherein the stopper is a hollow cone structure with a narrow top and a wide bottom.

8. The water tank as claimed in claim 3, wherein the sidewall of the retainer has a through hole for guiding water.

9. The water tank of the water heater as recited in claim 2, wherein the fixed plate is provided with a rotating shaft, and the magnetic stirring shaft is rotatably fixed on the rotating shaft.

10. The water heater tank as recited in claim 1 wherein the inner bladder and the magnetic stirrer are separated by a layer of insulation.

11. An air-powered water heater comprising the water heater tank of claims 1-10.