CN210569179U

CN210569179U - Electric water heater

Info

Publication number: CN210569179U
Application number: CN201921285952.7U
Authority: CN
Inventors: 杨颂文; 罗超
Original assignee: Guangdong Vanbo Electric Co ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-19
Anticipated expiration: 2029-08-08

Abstract

The utility model provides an electric water heater, include the casing and locate the inside inner bag of casing, the inner bag inboard is equipped with water storage cavity, the inner bag is equipped with inlet tube, outlet pipe, goes up heating pipe and lower heating pipe, the one end of inlet tube sets up on the courage wall of inner bag and the other end extends to water storage cavity's bottom, the one end of outlet pipe sets up on the courage wall of inner bag and the other end extends to water storage cavity's top, it sets up in water storage cavity's first portion to go up the heating pipe level, and the vertical distance D of going up heating pipe and outlet pipe highest point is 150-160mm, the heating pipe sets up in water storage cavity's lower half down. When D is less than 150mm, the top of the heating pipe can generate overtemperature alarm, and when D is more than 160mm, the function of quick heating can not be achieved, so that the vertical distance between the upper heating pipe and the highest position of the water outlet pipe is designed to be 150-160mm, and the overtemperature and quick heating prevention effect can be achieved.

Description

Electric water heater

Technical Field

The utility model relates to an electric water heater field, more specifically relates to an electric water heater.

Background

With the strong advocation of energy conservation and environmental protection and the increasing shortage of power resources, a peak-shifting power utilization and step charging system is implemented in many places, the market has an increasing demand for electric water heaters with large volume, high capacity-increasing multiple and low energy consumption coefficient, consumers can select to heat the electric water heaters in the valley power utilization period and use hot water in the peak power utilization period, and the electric water heaters with large volume and large capacity-increasing can meet the bathing demand of multiple people only by heating once, because of the limitation of space, the electric water heaters with large volume in the market at present, particularly more than 150L, are made into vertical type, and the vertical type electric water heaters have the phenomena of low maximum hot water output quantity and low hot water output rate, and because the inner container of the vertical type electric water heater is high, the distance between a lower heating pipe and the top is long, usually more than 1.5 meters, and the time for the hot water to slowly flow back to the, the phenomenon that the temperature of water flowing out is far higher than the temperature set by a user and can cause scalding is caused, and in addition, the phenomenon of overtemperature at the top causes that a vertical electric water heater on the current market has no quick heating function.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defect that the overtemperature can appear at the top of the existing electric water heater, and provides an electric water heater which avoids the overtemperature at the top.

In order to solve the technical problem, the technical scheme of the utility model as follows:

an electric water heater comprises a shell and an inner container arranged inside the shell, wherein a water storage cavity is arranged on the inner side of the inner container, the inner container is provided with a water inlet pipe, a water outlet pipe, an upper heating pipe and a lower heating pipe, one end of the water inlet pipe is arranged on the container wall of the inner container, the other end of the water inlet pipe extends to the bottom of the water storage cavity, one end of the water outlet pipe is arranged on the container wall of the inner container, the other end of the water outlet pipe extends to the top of the water storage cavity, the upper heating pipe is horizontally arranged at the upper half part of the water storage cavity, the vertical distance D between the upper heating pipe and the highest position of.

Preferably, the water inlet pipe and the water outlet pipe are arc-shaped.

Preferably, the water inlet pipe and the water outlet pipe are internally provided with insulating water guide pipes. Not only has the water flow guide effect, but also has the water electricity-blocking function, and plays a role in safety protection for users.

Preferably, the water inlet pipe and the water outlet pipe are internally provided with insulating water guide pipes, and the water inlet pipe and the water outlet pipe reach the flow of 18L/Min under the water pressure of 0.1 MPa. The large-flow water inlet pipe and the large-flow water outlet pipe provide guarantee for multi-point water consumption of the electric water heater.

Preferably, one end of the lower heating pipe is fixed on the liner wall of the inner liner, and the other end of the lower heating pipe is in a hook shape and extends to the bottom of the water storage cavity. The cold water in the inner container can be fully heated, and the phenomenon that the output rate of the hot water is lower because the cold water at the bottom of the inner container cannot be heated is avoided.

Preferably, the electric water heater is a vertical electric water heater.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: the utility model provides an electric water heater, electric water heater's last heating pipe level sets up in the first half of water storage cavity, and the vertical distance D of going up heating pipe and outlet pipe highest point is 150-160mm, and lower heating pipe sets up in the lower half of water storage cavity. When D is less than 150mm, the top of the electric heating kettle can generate an overtemperature alarm phenomenon, and when D is more than 160mm, the electric heating kettle can not achieve the function of quick heating. Therefore, the vertical distance between the upper heating pipe and the highest position of the water outlet pipe is designed to be 150-160mm, and the functions of overtemperature prevention and quick heating can be achieved. The utility model discloses a to the rational arrangement of last heating pipe, lower heating pipe, inlet tube, outlet pipe, make each performance of electric water heater reach the best, not only have the fast hot function, avoid appearing the overtemperature alarm moreover and lead to the phenomenon of shutting down.

Drawings

Fig. 1 is a schematic view of an electric water heater according to embodiment 1.

Fig. 2 is a sectional view of the electric water heater of embodiment 1.

Wherein: 1. a housing; 2. an inner container; 3. an upper heating pipe; 4. a lower heating pipe; 5. a water inlet pipe; 6. and (5) discharging a water pipe.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-2, an electric water heater includes a housing 1 and an inner container 2 disposed inside the housing 1, wherein a water storage cavity is disposed inside the inner container 2, the inner container 2 is provided with a water inlet pipe 5, a water outlet pipe 6, an upper heating pipe 3 and a lower heating pipe 4, one end of the water inlet pipe 5 is disposed on the inner wall of the inner container 2, and the other end extends to the bottom of the water storage cavity, one end of the water outlet pipe 6 is disposed on the inner wall of the inner container 2, and the other end extends to the top of the water storage cavity, the upper heating pipe 3 is horizontally disposed at the upper half of the water storage cavity, a vertical distance D between the upper heating pipe 3 and the highest position of the water outlet pipe 6 is 150-160 mm.

In the electric water heater provided by this embodiment, the vertical distance D between the upper heating pipe 3 and the highest position of the water outlet pipe 6 is 150-160mm, and the lower heating pipe is disposed at the lower half part of the water storage cavity. When D is less than 150mm, the top of the electric heating kettle can generate an overtemperature alarm phenomenon, and when D is more than 160mm, the electric heating kettle can not achieve the function of quick heating. Therefore, the vertical distance between the upper heating pipe 3 and the highest position of the water outlet pipe 6 is designed to be 150-160mm, and the functions of overtemperature prevention and quick heating can be achieved. In the embodiment, the upper heating pipe 3, the lower heating pipe 4, the water inlet pipe 5 and the water outlet pipe 6 are reasonably arranged, so that the electric water heater has the best performances, not only has a quick heating function, but also avoids the phenomenon of shutdown caused by overtemperature alarm. Meanwhile, the capacity-increasing multiple is high, the flow is large, and the water demand of multiple points is met.

The water inlet pipe 5 and the water outlet pipe 6 are arc-shaped.

And the water inlet pipe 5 and the water outlet pipe 6 are internally provided with insulating water guide pipes. Not only has the water flow guide effect, but also has the water electricity-blocking function, and plays a role in safety protection for users.

And the water inlet pipe 5 and the water outlet pipe 6 are internally provided with insulating water guide pipes. The water inlet pipe 5 and the water outlet pipe 6 reach the flow of 18L/Min under the water pressure of 0.1 MPa. The large-flow water inlet pipe 5 and the large-flow water outlet pipe 6 provide guarantee for multi-point water consumption of the electric water heater.

One end of the lower heating pipe 4 is fixed on the wall of the inner container 2, and the other end is in a hook shape and extends to the bottom of the water storage cavity. The cold water in the inner container 2 can be fully heated, and the phenomenon that the output rate of the hot water is lower because the cold water at the bottom of the inner container 2 cannot be heated is avoided.

The electric water heater is a vertical electric water heater.

The same or similar reference numerals correspond to the same or similar parts;

the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;

it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides an electric water heater, includes casing (1) and locates inside inner bag (2) of casing (1), inner bag (2) inboard is equipped with the water storage cavity, inner bag (2) are equipped with inlet tube (5), outlet pipe (6), go up heating pipe (3) and lower heating pipe (4), its characterized in that, the one end of inlet tube (5) sets up on the courage wall of inner bag (2) and the other end extends to the bottom of water storage cavity, the one end of outlet pipe (6) sets up on the courage wall of inner bag (2) and the other end extends to the top of water storage cavity, go up heating pipe (3) level and set up in the first half of water storage cavity, the vertical distance D of going up heating pipe (3) and outlet pipe (6) highest point is 150-160mm, the heating pipe sets up in the lower half of water storage cavity down.

2. The electric water heater according to claim 1, characterized in that the inlet pipe (5) and the outlet pipe (6) are arc-shaped.

3. The electric water heater according to claim 1, characterized in that the water inlet pipe (5) and the water outlet pipe (6) are internally provided with insulating water guiding pipes.

4. The electric water heater according to claim 1, characterized in that the water inlet pipe (5) and the water outlet pipe (6) are internally provided with insulated water guiding pipes, and the water inlet pipe (5) and the water outlet pipe (6) reach the flow of 18L/Min under the water pressure of 0.1 MPa.

5. The electric water heater according to claim 1, wherein one end of the lower heating pipe (4) is fixed on the inner wall of the inner container (2), and the other end is hook-shaped and extends to the bottom of the water storage cavity.

6. The electric water heater according to any one of claims 1-5, wherein the electric water heater is a vertical electric water heater.