CN203893398U - Water-storing electric water heater - Google Patents

Abstract

The utility model discloses a water-storing electric water heater comprising a housing, an insulation layer, an inner container, a heating device, a circuit board, an inflow pipe and an outflow pipe. The inner container is mounted within the housing. The insulation layer fills space between the inner container and the housing. The heating device is disposed within the inner container and is fixedly connected with the same. The circuit board is disposed in the housing and is electrically connected with the heating device. One end of the inflow pipe is communicated with the inner container; the other end of the inflow pipe is communicated with a cold water incoming pipeline; one end of the outflow pipe is communicated with the inner container; the other end of the outflow pipe is communicated with a hot water outgoing pipeline. A washbasin top board and a washbasin mounted on the washbasin top board are arranged above the housing. The water-storing electric water heater is reasonable in design and simple in structure, mounting space is saved, indoor spaces in a bathroom, a kitchen and the like can be utilized more efficiently, and the water-storing electric water heater is more convenient to mount and maintain.

Description

storage type electric water heater

technical field

The utility model relates to the technical field of water heaters, in particular to a water storage electric water heater.

Background technique

Existing storage-type electric water heaters are generally installed in bathrooms or on balconies, and usually include two installation methods: the first is wall-mounted, and the storage-type electric water heater is hung on the wall; the second is floor-mounted, The storage type electric water heater is installed on the ground. The installation methods of the aforementioned two storage-type electric water heaters all have problems such as large volume and large space occupation.

The above content is only used to assist in understanding the technical solution of the present utility model, and does not mean to admit that the above content is the prior art.

Utility model content

The main purpose of the utility model is to provide a water storage type electric water heater, which aims at making it reasonable in design and simple in structure, thereby improving the utilization rate of space.

In order to achieve the above purpose, the utility model provides a storage type electric water heater, which includes a cold water inlet pipeline and a hot water outlet pipeline. In addition, the water storage type electric water heater also includes a shell, an insulation layer, an inner tank, a heater, Circuit board, water inlet pipe and water outlet pipe; the inner tank is installed in the outer shell, the insulation layer is filled between the inner tank and the outer shell, the heater is placed in the inner tank and Fixedly connected with the inner tank, the circuit board is arranged in the outer shell and electrically connected with the heater; one end of the water inlet pipe communicates with the inner tank, and the other end communicates with the cold water inlet pipeline One end of the water outlet pipe communicates with the inner tank, and the other end communicates with the hot water outlet pipeline; above the shell, there is a washing basin table and a washing basin installed on the washing basin table.

Preferably, the water storage electric water heater also includes a drain pipe and a drain valve arranged on the drain pipe, one end of the drain pipe communicates with the inner tank and is located at the bottom of the inner tank, and the other end passes through The insulation layer and the shell are located outside the shell.

Preferably, the blowdown valve is a manual valve or an electric control valve.

Preferably, the water storage electric water heater also includes a water mixing valve arranged above the washing basin, the water mixing valve is provided with a cold water inlet, a hot water inlet and a mixed water outlet, and the cold water inlet is connected to the The cold water inlet pipeline is connected, and the hot water inlet is connected with the hot water outlet pipeline.

Preferably, the water storage electric water heater further includes a first three-way and a second three-way, the water inlet of the first three-way communicates with the water outlet of the water outlet pipe, and the two outlets of the first three-way The water inlet is respectively communicated with the hot water outlet pipeline and the hot water inlet of the mixing valve; the water inlet of the second three-way is communicated with the cold water inlet pipeline, and the two of the second three-way The water outlets communicate with the water inlet of the water inlet pipe and the cold water inlet of the water mixing valve respectively.

Preferably, the water inlet pipe passes through the outer shell and the insulation layer and is installed on the top of the inner container, and the water outlet of the water inlet pipe extends to a position close to the bottom of the inner container.

Preferably, the water inlet pipe passes through the shell and the insulation layer and is installed at the bottom of the inner container, and the water outlet of the water inlet pipe is located at the bottom of the inner container.

Preferably, the water outlet pipe passes through the shell and the insulation layer and is installed on the top of the inner container, and the water inlet of the water outlet pipe is located on the top of the inner container.

Preferably, the heater is a tubular heater, the heater is installed on the axial end of the liner through a flange, and the heater extends meandering downward from the flange.

Preferably, the water storage electric water heater further includes a temperature control tube installed on the flange and protruding into the inner tank, and the temperature control tube is electrically connected to the circuit board.

The storage type electric water heater provided by the utility model integrates the water storage type electric water heater with the washbasin countertop and the washbasin, and has a reasonable design and a simple structure, which greatly saves the installation space and not only improves the quality of the bathroom. , kitchen and other indoor space utilization, and makes installation and maintenance more convenient.

Description of drawings

Fig. 1 is the structural representation of the preferred embodiment of the water storage type electric water heater of the present utility model;

Fig. 2 is a sectional view of the storage type electric water heater shown in Fig. 1 along line A-A.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides a water storage type electric water heater, referring to Fig. 1 and Fig. 2, in one embodiment, the water storage type electric water heater includes a cold water inlet pipeline 8 and a hot water outlet pipeline 9, wherein the cold water inlet pipe Road 8 is a water supply pipeline (for example, the part connected to the tap water pipe) for providing water to the water storage electric water heater, and the hot water outlet pipeline 9 is a hot water output pipeline for supplying water to related water equipment ( For example, a bathroom shower) provides hot water at a specific temperature. In addition, the water storage electric water heater also includes a shell 1 , an insulation layer 2 , an inner tank 3 , a heater 35 , a circuit board 4 , a water inlet pipe 31 and a water outlet pipe 32 . In this embodiment, the liner 3 can be made of stainless steel plate, aluminum alloy plate, or any other suitable metal plate. The liner 3 is a cylindrical structure extending longitudinally and is horizontal. Arranged to save the installation space in the vertical direction.

Specifically, the inner tank 3 is installed in the outer shell 1, and the insulation layer 2 is filled between the inner tank 3 and the outer shell 1. The thermal insulation layer 2 can be made of a foam material, such as pearl cotton, thereby improving the thermal insulation performance of the inner tank 3; The heater 35 is placed in the inner tank 3 and is fixedly connected with the inner tank 3, the circuit board 4 is arranged in the shell 1 and is electrically connected with the heater 35, and the heater 35 is energized and heated under the control of the circuit board 4; the water inlet pipe 31 One end of the outlet pipe 32 communicates with the inner tank 3, and the other end communicates with the cold water inlet pipeline 8, thereby providing cold water to be heated for the inner tank 3; one end of the outlet pipe 32 communicates with the inner tank 3, and the other end communicates with the hot water outlet pipeline 9 , so that the hot water in the inner tank 3 is output for the user; the top of the shell 1 is also provided with a sink table 5 and a wash basin 6 installed on the wash basin table 5, and the bottom of the wash basin 6 is provided with a drainage hole. The drain hole is connected with a drainpipe 61 for discharging the waste water in the washing tub 6 to the sewer. The washbasin top 5 can be directly erected on the shell 1, and can also be fixedly installed on the ground through the side plates, and the washbasin 6 can be embedded or installed on a table (for example, the washbasin 6 is located on the washbasin 5 above), the washing tub 6 of the present embodiment adopts embedded installation to save space. It can be seen that, by combining the water storage type electric water heater with the sink countertop 5 and the sink 6, the design is reasonable, the structure is simple, the installation space is greatly saved, and the utilization rate of indoor spaces such as bathrooms and kitchens is improved. Moreover, the installation and maintenance of the storage type electric water heater are more convenient. In addition, the water storage electric water heater of the utility model adopts a combined design, and the pipelines connected to the water storage electric water heater can be stored under the sink table 5, which can not only simplify the structural design of the shell 1, but also improve the storage capacity. The aesthetics of water-type electric water heaters.

In this embodiment, the water storage type electric water heater also includes a sewage discharge pipe 33 and a sewage discharge valve 331 arranged on the sewage discharge pipe 33. One end of the sewage discharge pipe 33 communicates with the inner tank 3 and is located at the bottom of the inner tank 3, and the other end passes through the bottom of the inner tank 3. Through the insulation layer 2 and the shell 1 and located on the outside of the shell 1, when the inner tank 3 is cleaned, the water and dirt in the inner tank 3 can be discharged by opening the drain valve 331.

It is worth mentioning that the blowdown valve 331 installed on the blowdown pipe 33 can be either a manual valve (eg, a manual ball valve) or an electrically controlled valve (eg, a solenoid valve). The heater 35 is a tubular heater, and the heater 35 is installed on the axial end of the liner 3 through the flange 34, and the heater 35 extends meandering downward from the flange 34, and makes the effective heating section of the heater 35 Located in the lower layer area of the inner tank 3, thereby more effectively heating the water body in the inner tank 3. In addition, the water storage type electric water heater also includes a temperature control tube 36 installed on the flange 34 and extending into the inner tank 3 , the temperature control tube 36 is electrically connected with the circuit board 4 for detecting heat in the inner tank 3 . The temperature of the water and anti-dry protection, thereby controlling the working state of the heater 35.

In this embodiment, the water storage type electric water heater also includes a water mixing valve 7 arranged above the washing basin 6. The water mixing valve 7 is provided with a cold water inlet, a hot water inlet and a mixed water outlet, and the cold water inlet and the cold water The water inlet pipeline 8 is connected, and the hot water inlet is connected with the hot water outlet pipeline 9. Therefore, by adjusting the switch handle of the water mixing valve 7, the cold water and hot water flowing in from the cold water inlet and the hot water inlet can be controlled at a certain rate. Proportional mixing, so as to obtain hot water at the required temperature, and flow out through the mixed water outlet for use. The storage type electric water heater with this structure can also shorten the length of the hot water outlet pipeline 9, thereby more efficiently Hot water is provided.

In this embodiment, the water storage electric water heater also includes a first three-way 91 and a second three-way 81, and the first three-way 91 and the second three-way 81 can be made of plastic or any suitable metal ( For example, made of stainless steel, copper, etc.), the first three-way 91 and the second three-way 81 can be connected to the corresponding pipelines through pipe threads, and can also be glued and sealed. Specifically, the water inlet of the first three-way 91 communicates with the water outlet of the water outlet pipe 32, and the two water outlets of the first three-way 91 communicate with the hot water outlet pipeline 9 and the hot water inlet of the mixing valve 7 respectively; The water inlet of the second three-way 81 communicates with the cold water inlet pipeline 8, and the two water outlets of the second three-way 81 communicate with the water inlet of the water inlet pipe 8 and the cold water inlet of the mixing valve 7 respectively.

In this embodiment, the water inlet pipe 31 passes through the shell 1 and the insulation layer 2 and is installed on the top of the inner bag 3, and is sealed (for example, welded) between the water inlet pipe 31 and the inner bag 3. In addition, in order to reduce the flow into the inner bag The impact of the cold water in the tank 3 on the hot water to be output (for example, the temperature of the hot water to be output is lowered due to the acceleration of the mixing speed of cold and hot water), to ensure the hot water output rate of the storage type electric water heater, the water inlet pipe The water outlet of 31 stretches to the bottom position near liner 3. In other embodiments of the present utility model, the water inlet pipe 31 can also be installed in any other applicable position of the inner tank 3, as long as the water outlet of the water inlet pipe 31 is close to the bottom of the inner tank 3, thereby reducing the amount of cold water and hot water. The mixing speed ensures the hot water output rate of the storage type electric water heater. For example, the water inlet pipe 31 passes through the shell 1 and the insulation layer 2 and is installed at the bottom of the inner bag 3, and the water outlet of the water inlet pipe 31 is positioned at the bottom of the inner bag 3; Extend into one of the ends, and make the water outlet of the water inlet pipe 31 extend to a position close to the bottom of the inner container 3 . Of course, the specific installation position of the water inlet pipe 31 can also be adjusted adaptively according to the actual situation, and will not be listed one by one here.

In this embodiment, the water outlet pipe 32 passes through the shell 1 and the insulation layer 2 and is installed on the top of the inner tank 3 . As we all know, within a certain temperature range, the higher the temperature of the water, the lower the density. Therefore, when the storage type electric water heater is in a normal state, the water body in the inner tank 3 forms a stratification of cold and hot water, that is, the hot water of high temperature is located in the inner tank. In the upper area of the inner tank 3, the low-temperature cold water is located in the lower area of the inner tank 3. In order to make effective use of the hot water in the inner tank 3, the water inlet of the outlet pipe 32 is located on the top of the inner tank 3, so that the inner tank 3 can be cooled to high temperature. Hot water is output in time. It should be noted that the outlet pipe 32 can also be installed at any other suitable position on the inner container 3, for example, the outlet pipe 32 is installed at the bottom of the inner container 3, and extends upward from the bottom of the inner container 3 to the bottom of the inner container 3. The top position is to output the high-temperature hot water in the inner tank 3 in time; or, the outlet pipe 32 is installed at one of the two axial ends of the inner tank 3 .

It should be understood that the above are only preferred embodiments of the present utility model, and cannot therefore limit the patent scope of the present utility model. Any equivalent structure or equivalent flow conversion made by using the utility model specification and accompanying drawings, or directly or Indirect applications in other related technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. A water storage type electric water heater, comprising a cold water inlet pipeline and a hot water outlet pipeline, characterized in that the water storage type electric water heater also includes a shell, an insulation layer, a liner, a heater, a circuit board, and a water inlet pipe and the water outlet pipe; the inner tank is installed in the outer shell, the insulation layer is filled between the inner tank and the outer shell, the heater is placed in the inner tank and connected with the inner tank Fixedly connected, the circuit board is arranged in the shell and electrically connected with the heater; one end of the water inlet pipe communicates with the inner tank, and the other end communicates with the cold water inlet pipeline; the water outlet pipe One end of the tank is communicated with the inner tank, and the other end is communicated with the hot water outlet pipeline; above the shell, there is a sink top and a sink installed on the sink top. 2. The water storage type electric water heater according to claim 1, characterized in that, the water storage type electric water heater also comprises a sewage discharge pipe and a sewage discharge valve arranged on the sewage discharge pipe, one end of the sewage discharge pipe is connected to the The inner tank communicates with and is located at the bottom of the inner tank, and the other end passes through the heat insulating layer and the outer shell and is located at the outer side of the outer shell. 3. The storage-type electric water heater according to claim 2, characterized in that the drain valve is a manual valve or an electric control valve. 4. The storage-type electric water heater according to claim 1, characterized in that, the storage-type electric water heater further comprises a water mixing valve arranged above the washing basin, and the water mixing valve is provided with a cold water inlet, A hot water inlet and a mixed water outlet, the cold water inlet communicates with the cold water inlet pipeline, and the hot water inlet communicates with the hot water outlet pipeline. 5. The storage-type electric water heater according to claim 4, characterized in that, the storage-type electric water heater further comprises a first three-way connection and a second three-way connection, and the water inlet of the first three-way connection is connected to the outlet. The water outlet of the water pipe is connected, and the two water outlets of the first three-way are respectively connected with the hot water outlet pipeline and the hot water inlet of the mixing valve; the water inlet of the second three-way is connected with the The cold water inlet pipeline is connected, and the two water outlets of the second tee are respectively connected with the water inlet of the water inlet pipe and the cold water inlet of the mixing valve. 6. The storage-type electric water heater according to any one of claims 1 to 5, characterized in that, the water inlet pipe passes through the outer shell and the insulation layer and is installed on the top of the inner tank, and the inlet pipe The water outlet of the water pipe extends to a position close to the bottom of the inner container. 7. The storage-type electric water heater according to any one of claims 1 to 5, characterized in that, the water inlet pipe passes through the shell and the insulation layer and is installed at the bottom of the inner tank, and the inlet pipe The water outlet of the water pipe is located at the bottom of the inner bag. 8. The storage-type electric water heater according to any one of claims 1 to 5, characterized in that, the outlet pipe passes through the shell and the insulation layer and is installed on the top of the inner tank, and the outlet pipe The water inlet of the water pipe is located at the top of the inner bag. 9. The storage-type electric water heater according to any one of claims 1 to 5, wherein the heater is a tubular heater, and the heater is installed on the axial direction of the inner tank through a flange. end, the heater meanders downwards from the flange. 10. The water storage type electric water heater according to claim 9, characterized in that, the water storage type electric water heater further comprises a temperature control tube installed on the flange and protruding into the inner tank, the temperature control tube The control tube is electrically connected with the circuit board.