CN220321419U - Double-waterway straight-through electric heating cast aluminum heater - Google Patents

Abstract

The utility model discloses a double-waterway straight-through electric heating cast aluminum heater which comprises an inner pipe, a sleeve and an outer pipe, wherein the inner pipe, the sleeve and the outer pipe are concentrically arranged from inside to outside, a closed heating cavity is formed between the inner pipe and the sleeve, a plurality of groups of heating assemblies which are parallel to the inner pipe and uniformly distributed around the circumference of the inner pipe are arranged in the heating cavity, the inner pipe forms a first waterway, and the outlet end of the inner pipe is communicated with the outer pipe to form a second waterway. According to the double-waterway straight-through electric heating cast aluminum heater, the inner pipe and the outer pipe are arranged to penetrate to form the first waterway and the second waterway, the heat transfer surface is enlarged by the double waterways, a good heat absorption effect is achieved, and meanwhile, the detachable outer pipe can be cleaned more easily, so that the smoothness of a pipeline is ensured.

Description

Double-waterway straight-through electric heating cast aluminum heater

Technical Field

The utility model relates to the technical field of heaters, in particular to a double-waterway straight-through electric heating cast aluminum heater.

Background

Along with the continuous change of production life style, the use requirement of hot water is met in many scenes, and the instant water heater is widely applied due to the fact that the water outlet is fast and the volume is small. CN202120709759.2 discloses an energy-saving heater comprising a housing, a first pipe, a second pipe and a plurality of groups of heating elements, wherein the first and the second ends of the second pipe are connected with the first pipe, when water is heated, the heating elements heat the water in the first pipe, and then the second pipe surrounds the partially heated water around the first pipe and the plurality of groups of heating elements and circularly flows. According to the scheme, waste heat is absorbed by arranging a group of parallel surrounding pipelines, so that the heat consumed by the outside is reduced, but the contact surface of the surrounding pipelines is limited, and the heat transfer and absorption effects are affected; in addition, the spiral surrounding pipeline is inconvenient to clean after long-time use, and is easy to cause blockage.

Disclosure of Invention

The utility model aims to provide a double-waterway straight-through electric heating cast aluminum heater, which solves the problems that a heat transfer contact surface is limited and the heat absorption effect is affected, and the coated pipeline is inconvenient to clean and easy to cause blockage after long-time use, so as to overcome the defects of the prior art.

The utility model is realized by the following technical scheme: the utility model provides a two water route through-type electric heating cast aluminium heater, includes from interior to outer concentric inner tube, sleeve pipe and the outer tube that sets up, form confined heating chamber between inner tube and the sleeve pipe, be equipped with multiunit and inner tube parallel and around the heating element of inner tube circumference equipartition in the heating chamber, the inner tube constitutes first water route, the inner tube exit end link up with the outer tube and constitute the second water route.

Further, the outer tube is movably connected with the sleeve, and the outer tube is detachable.

Furthermore, the inner tube and the sleeve are cast by cast aluminum and are integrally formed with the heating component.

Furthermore, the inlet end of the inner pipe is connected with a water inlet pipeline, the outlet end of the other side of the inner pipe is provided with at least one through hole, the outer pipe is provided with a water outlet which is connected with a water outlet pipeline, and the water outlet is positioned on the outer pipe wall on the same side as the inlet end of the inner pipe.

Further, the movable connection comprises threaded connection and locking connection.

Further, the heating assembly comprises a plurality of heating pipes, and the plurality of heating pipes are sequentially arranged.

Further, the outer tube is one of stainless steel and ceramic.

The utility model has the following beneficial effects: the inner pipe and the outer pipe are communicated to form a first waterway and a second waterway, the heat transfer surface is enlarged by the double waterways, the heat transfer device has good heat absorption effect, and meanwhile, the detachable outer pipe can be cleaned more easily, so that the smoothness of a pipeline is ensured.

Drawings

Fig. 1 is a schematic diagram of a double-waterway straight-through electric heating cast aluminum heater according to the utility model.

Fig. 2 is a schematic front sectional view of a double-waterway straight-through electric heating cast aluminum heater according to the present utility model.

Fig. 3 is a schematic view of a part of a cross section of a threaded connection of an outer tube and a sleeve in an embodiment of a double waterway straight-through electric heating cast aluminum heater according to the present utility model.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application.

All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Reference is now made to the description of a dual waterway direct electrical heating cast aluminum heater in accordance with some embodiments of the present application.

1-2, a double-waterway straight-through electric heating cast aluminum heater comprises an inner tube 1, a sleeve 2 and an outer tube 3 which are concentrically arranged from inside to outside, wherein a closed heating cavity 4 is formed between the inner tube 1 and the sleeve 2, a plurality of groups of heating assemblies 5 which are parallel to the inner tube 1 and uniformly distributed around the circumference of the inner tube 1 are arranged in the heating cavity 4, the inner tube 1 forms a first waterway 11, and the outlet end of the inner tube 1 is communicated with the outer tube 3 to form a second waterway 12.

The inlet end of the inner pipe 1 is connected with a water inlet pipeline, at least one through hole 6 is arranged at the outlet end of the other side of the inner pipe 1, the outer pipe 3 is provided with a water outlet 7 which is connected with an external hot water pipeline, and the water outlet 7 is positioned on the outer pipe wall at the same side as the inlet end of the inner pipe 1.

Further, the heating assembly 5 includes a plurality of heating pipes, and a plurality of heating pipes are sequentially arranged.

After the heater starts to work, the heating component 5 is electrified to generate heat, water in an external water supply pipeline enters through the inlet end of the inner pipe 1 and flows in the direction of the shear head shown in the figure 2 to form a first waterway 11, and the water temperature is gradually increased after the heating component 5 absorbs heat transferred by the pipe wall of the inner pipe 1 in the water flowing process; when water flows to the outlet end of the inner pipe 1, flows into the outer pipe 3 through the through hole 6, flows in the direction of the shear head shown in fig. 2 to form a second waterway 12, and continuously absorbs the heat transferred by the heating component 5 through the pipe wall of the sleeve 2 in water flow, the water temperature rises until the water flows out of the heater through the water outlet 7 and enters an external hot water pipeline.

From entering the heater to finishing heating and flowing out, water flows through the first waterway 11 of the inner tube 1 and the second waterway 12 of the outer tube 3, the actual water flows around the heating assembly 5, the double waterways realize full contact between the water and the heating assembly 5, and the heat transfer surface is increased, so that a good heat absorption effect is realized.

The inner tube 1 and the sleeve 2 are cast by cast aluminum and are integrally formed with the heating component 5, and better heat transfer between the inner tube 1 and the sleeve 2 can be realized due to better heat conductivity of aluminum.

In another embodiment, the outer tube 3 is movably connected with the sleeve 2, the outer tube 3 is detachable, the outer wall of the sleeve 2 and the inner wall of the outer tube 3 can be conveniently cleaned after the outer tube 3 is detached, the adhesion of scale, impurities and the like is removed, and the smoothness of a waterway and good heat transfer are ensured.

Further, the movable connection comprises threaded connection and locking connection. As shown in fig. 3, the outer tube 3 is in threaded connection with the sleeve 2, and the inner tube 1, the sleeve 2 and the heating component 5 can be pulled out from the upper part by rotating the outer tube 3, so that the cleaning of the sleeve 2 and the outer tube 3 is conveniently completed.

Further, the heating assembly comprises a plurality of heating pipes, and the heating pipes are sequentially arranged.

Further, the outer tube is one of stainless steel or ceramic material.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a two water route through-type electric heating cast aluminium heater, includes from interior to outer concentric setting's inner tube, sleeve pipe and outer tube, form confined heating chamber between inner tube and the sleeve pipe, be equipped with multiunit and inner tube parallel and around the heating element of inner tube circumference equipartition in the heating chamber, its characterized in that, the inner tube constitutes first water route, the inner tube exit end link up with the outer tube and constitute the second water route.

2. The dual waterway straight-through electric heating cast aluminum heater according to claim 1, wherein the outer tube is movably connected with the sleeve, and the outer tube is detachable.

3. The dual waterway direct-through electric heating cast aluminum heater according to claim 1, wherein the inner tube and the sleeve are cast aluminum die-cast and integrally formed with the heating assembly.

4. The double-waterway straight-through electric heating cast aluminum heater according to claim 1, wherein the inlet end of the inner tube is connected with a water inlet pipeline, the outlet end of the other side of the inner tube is provided with at least one through hole, the outer tube is provided with a water outlet connected with a water outlet pipeline, and the water outlet is positioned on the outer tube wall on the same side as the inlet end of the inner tube.

5. The dual waterway direct-through electric heating cast aluminum heater of claim 2, wherein the movable connection comprises a threaded connection, a snap-fit connection.

6. The dual waterway direct-through electric heating cast aluminum heater of claim 1, wherein the heating assembly comprises a plurality of heating tubes, the plurality of heating tubes being arranged in sequence.

7. The dual waterway direct-through electric heating cast aluminum heater of claim 1, wherein the outer tube is one of stainless steel and ceramic.