CN213778178U

CN213778178U - Electric water heater

Info

Publication number: CN213778178U
Application number: CN202022832651.0U
Authority: CN
Inventors: 杨兴山; 化宜文
Original assignee: Shanxi Shenzhou Spaceflight Technology Co ltd
Current assignee: Shanxi Shenzhou Spaceflight Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-23
Anticipated expiration: 2030-11-30

Abstract

The utility model belongs to the technical field of heating devices, in particular to an electric water heater, which comprises an inner barrel and an outer barrel, wherein the inner barrel is arranged in the outer barrel, the top parts of the outer barrel and the inner barrel are both provided with openings, the opening part at the top part of the outer barrel is connected with a cover body, and the opening part at the top part of the inner barrel is connected with a flange; the flange is provided with a heating element which extends into the inner barrel to heat the liquid in the inner barrel; the upper end and the lower end of the inner barrel are both provided with connecting pipes, the two connecting pipes penetrate through the outer barrel to extend out, a spiral pipe is arranged in the inner barrel, one end of the spiral pipe is communicated with the connecting pipe at the upper end of the inner barrel, and the other end of the spiral pipe is communicated with the connecting pipe at the lower end of the inner barrel; the upper end outside the inner barrel is provided with a control panel bracket cover which is connected with the outer wall of the inner barrel or the inner wall of the outer barrel; the inner barrel is communicated with an oil pipe, and a valve is arranged on the oil pipe. Openings are formed in the top of the outer barrel and the top of the inner barrel, so that the inner barrel and the outer barrel can be conveniently installed; the opening of the top of the outer barrel is connected with a cover body, the opening of the top of the inner barrel is connected with a flange, and a heating element can be conveniently installed.

Description

Electric water heater

Technical Field

The utility model belongs to the technical field of the heating installation, concretely relates to electric water heater.

Background

The common electric water heater directly heats water in a water tank through a heating element, and the heated water flows into equipment such as a radiator and the like and then flows into the water tank for circular heating. However, in the above manner, contact leakage between water and the heating element due to problems such as sealing is liable to occur. Therefore, people improve the method, and further adopt conduction oil to conduct oil-water heat exchange; in the heating mode, the heat conduction oil is in contact with the heating element instead of water, so that contact leakage is avoided. For example, the electric boiler disclosed in patent application No. 200420012862.8, which uses a carbon fiber heater as a heat source, performs oil-water heat exchange in the above manner, but due to the structural arrangement of the boiler, it is inconvenient to install and maintain, and the electric control device is externally arranged, so that the electric control device may be damaged due to poor aesthetics.

SUMMERY OF THE UTILITY MODEL

To solve the above technical problems, the present invention provides an electric water heater, which is easy to install and can avoid the electric control element from leaking outside.

In order to solve the technical problem, the utility model discloses a technical scheme be:

an electric water heater comprises an inner barrel and an outer barrel, wherein the inner barrel is arranged in the outer barrel, openings are formed in the tops of the outer barrel and the inner barrel, a cover body is connected to the opening at the top of the outer barrel, and a flange is connected to the opening at the top of the inner barrel; the flange is provided with a heating element which extends into the inner barrel to heat the liquid in the inner barrel; the upper end and the lower end of the inner barrel are both provided with connecting pipes, the two connecting pipes penetrate through the outer barrel to extend out, a spiral pipe is arranged in the inner barrel, one end of the spiral pipe is communicated with the connecting pipe at the upper end of the inner barrel, and the other end of the spiral pipe is communicated with the connecting pipe at the lower end of the inner barrel; the upper end outside the inner barrel is provided with a control panel bracket cover which is connected with the outer wall of the inner barrel or the inner wall of the outer barrel; the inner barrel is communicated with an oil pipe, and a valve is arranged on the oil pipe.

The control panel bracket cover is connected with the outer wall of the inner barrel through a stud.

The cover body is provided with a connecting hole.

The oil pipe is arranged at the top of the inner barrel and extends out of the outer barrel.

The spiral pipes are at least two, and are sequentially arranged from inside to outside according to the outer diameter.

The bottom of the outer barrel is provided with support legs or foot pads.

The bottom of the outer barrel is connected with a ground wire.

The heating element is a carbon fiber heating body.

The upper end in the outer barrel is provided with a support ring.

Compared with the prior art, the utility model, the beneficial effect who has is:

openings are formed in the top of the outer barrel and the top of the inner barrel, so that the inner barrel and the outer barrel can be conveniently installed; the opening of the top of the outer barrel is connected with a cover body, the opening of the top of the inner barrel is connected with a flange, and a heating element can be conveniently installed. The upper end outside the inner barrel is provided with a control panel bracket cover, so that electric control elements such as a control circuit board and the like can be conveniently installed.

The height of the control panel bracket cover can be adjusted as required through the stud; the cover body is provided with a connecting hole through which a display panel, a control box or other elements can be mounted. The spiral pipes are at least provided with two spiral pipes, the spiral pipes are sequentially arranged from inside to outside according to the outer diameter, the heat exchange area can be increased, and the heat exchange effect is improved.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 1 in the direction C;

FIG. 5 is a schematic view of the structure of FIG. 1 in the direction D;

FIG. 6 is an enlarged view of a portion of FIG. 1 at E;

fig. 7 is a perspective view of an embodiment of the present invention;

fig. 8 is a schematic view of the internal structure of an embodiment of the present invention;

wherein: the device comprises an inner barrel 1, an outer barrel 2, a cover body 3, a flange 4, a heating element 5, a connecting pipe 6, a spiral pipe 7, a control panel support cover 8, an oil pipe 9, a valve 10, a stud 11, a connecting hole 12, a pad 13, a ground wire 14, a support ring 15, a control circuit board 16 and a control box 17.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.

As shown in fig. 1 to 7, an electric water heater comprises an inner barrel 1 and an outer barrel 2, wherein the inner barrel 1 is arranged in the outer barrel 2, openings are respectively arranged at the top of the outer barrel 2 and the inner barrel 1, a cover body 3 is connected at the opening at the top of the outer barrel 2, and a flange 4 is connected at the opening at the top of the inner barrel 1; the flange 4 is provided with a heating element 5, and the heating element 5 extends into the inner barrel 1 to heat the liquid in the inner barrel 1. The flange 4 is sealed with the opening at the top of the inner barrel 1 in a bolt mode, and the joint of the flange and the opening can be provided with structures such as a rubber gasket and the like; the heating element 5 and the flange 4 can be connected in a threaded manner, and the flange 4 is provided with corresponding threaded through holes.

The bottom and the periphery of the inner barrel 1 and the outer barrel 2 can be filled with heat insulation materials according to the requirement.

The upper end and the lower end of the inner barrel 1 are both provided with connecting pipes 6, the two connecting pipes 6 penetrate through the outer barrel 2 and extend out, a spiral pipe 7 is arranged in the inner barrel 1, one end of the spiral pipe 7 is communicated with the connecting pipe 6 at the upper end of the inner barrel 1, and the other end is communicated with the connecting pipe 6 at the lower end of the inner barrel 1. Water may enter through one end of the coil 7 and then exit through the other end. The connecting pipe 6 can be used for communicating with heating equipment such as heating radiators and the like, one of the two connecting pipes 6 is a water outlet, and the other connecting pipe is a water inlet; preferably, the upper end is a water outlet, and the lower end is a water inlet.

The upper end outside the inner barrel 1 is provided with a control panel bracket cover 8, and the control panel bracket cover 8 is connected with the outer wall of the inner barrel 1 or the inner wall of the outer barrel 2; the inner barrel 1 is communicated with an oil pipe 9, and a valve 10 is arranged on the oil pipe 9.

When in use, firstly, heat conducting oil is injected into the inner barrel 1 through the oil pipe 9, and the connecting pipe 6 is communicated with heating equipment; then, the heating element 5 is started to heat the heat transfer oil. The circulating pump is started to circulate water in the spiral pipe 7, the water can enter through one end of the spiral pipe 7 and then is discharged through the other end, and therefore oil-water heat exchange is achieved, and heating effect is achieved.

Further, control panel support lid 8 passes through double-screw bolt 11 and interior 1 outer wall connection, and the lower extreme of double-screw bolt 11 and 1 outer wall fixed connection in the bucket are sliding connection between control panel support lid 8 and the double-screw bolt 11, are equipped with corresponding through-hole on the control panel support lid 8 and can follow double-screw bolt 11 and slide. The height can be adjusted as required by the mode of the stud 11, the installation is convenient, and the defect of inconvenient installation caused by fixed position is overcome. Specifically, the method comprises the following steps: stud 11 is equipped with threely, all is equipped with two nuts on every stud 11, and one of them nut is located the below of control panel support lid 8 and plays spacing supporting role, and another nut is located the upper end of control panel support lid 8 and plays the fastening role.

Specifically, the method comprises the following steps: the control circuit board 16 may be fixed to the control board bracket cover 8 by means of bolts.

Further, the cover body 3 is provided with a coupling hole 12, and elements such as a display panel, a control box 17, etc. can be mounted on the cover body 3 through the coupling hole 12.

Further, the oil pipe 9 is arranged at the top of the inner barrel 1 and extends out of the outer barrel 2; the arrangement at the top portion can prevent oil leakage due to a failure of the valve 10 or the like, as compared with the arrangement at the bottom portion.

Further, spiral pipe 7 is equipped with two at least, arranges in proper order from inside to outside according to the external diameter size between the spiral pipe 7, can set up as required and become multilayer structure, can increase heat transfer area.

Further, the bottom of the outer tub 2 is provided with legs or feet 13.

Further, the bottom of the tub 2 is connected to a ground line 14.

Further, the heating element 5 is a carbon fiber heating element, and carbon fibers are used as the heating element, so that the heating efficiency is higher than that of a common electric heating element.

Further, a support ring 15 is provided at the inner upper end of the outer tub 2.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims

1. An electric water heater, characterized in that: the washing machine comprises an inner barrel (1) and an outer barrel (2), wherein the inner barrel (1) is arranged in the outer barrel (2), openings are formed in the tops of the outer barrel (2) and the inner barrel (1), a cover body (3) is connected to the opening at the top of the outer barrel (2), and a flange (4) is connected to the opening at the top of the inner barrel (1); the flange (4) is provided with a heating element (5), and the heating element (5) extends into the inner barrel (1) to heat the liquid in the inner barrel (1); the upper end and the lower end of the inner barrel (1) are respectively provided with a connecting pipe (6), the two connecting pipes (6) penetrate through the outer barrel (2) to extend out, a spiral pipe (7) is arranged in the inner barrel (1), one end of the spiral pipe (7) is communicated with the connecting pipe (6) at the upper end of the inner barrel (1), and the other end of the spiral pipe is communicated with the connecting pipe (6) at the lower end of the inner barrel (1); a control panel bracket cover (8) is arranged at the outer upper end of the inner barrel (1), and the control panel bracket cover (8) is connected with the outer wall of the inner barrel (1) or the inner wall of the outer barrel (2); the inner barrel (1) is communicated with an oil pipe (9), and a valve (10) is arranged on the oil pipe (9).

2. An electric water heater according to claim 1, wherein: the control panel bracket cover (8) is connected with the outer wall of the inner barrel (1) through a stud (11).

3. An electric water heater according to claim 1, wherein: the cover body (3) is provided with a connecting hole (12).

4. An electric water heater according to claim 1, wherein: the oil pipe (9) is arranged at the top of the inner barrel (1) and extends out of the outer barrel (2).

5. An electric water heater according to any one of claims 1-4, characterized in that: the spiral pipes (7) are at least two, and the spiral pipes (7) are sequentially arranged from inside to outside according to the size of the outer diameter.

6. An electric water heater according to any one of claims 1-4, characterized in that: the bottom of the outer barrel (2) is provided with support legs or foot pads (13).

7. An electric water heater according to claim 1, wherein: the bottom of the outer barrel (2) is connected with a ground wire (14).

8. An electric water heater according to claim 1, wherein: the heating element (5) is a carbon fiber heating body.

9. An electric water heater according to claim 1, wherein: the upper end in the outer barrel (2) is provided with a supporting ring (15).