CN219550824U

CN219550824U - Mechanical double-liner electric water heater

Info

Publication number: CN219550824U
Application number: CN202320376012.9U
Authority: CN
Inventors: 高文龙; 蔺士磊; 蔡想周; 郑涛; 戚元叶
Original assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-18
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a mechanical double-liner electric water heater. Mechanical double-liner electric water heater includes: a housing, an installation space being formed inside the housing; the first inner container is internally provided with a first electric heating component; the second inner container is internally provided with a second electric heating component; the mechanical temperature adjusting assembly comprises a mounting panel, a first temperature controller, a second temperature controller and a knob, wherein the first temperature controller and the second temperature controller are arranged on the mounting panel, the knob is arranged on a rotating shaft of the first temperature controller, and the rotating shaft of the first temperature controller is in transmission connection with the rotating shaft of the second temperature controller. The water temperature of the two inner containers can be adjusted simultaneously by a user conveniently, so that the use experience of the user is improved.

Description

Mechanical double-liner electric water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a mechanical double-liner electric water heater.

Background

At present, the water heater is a household appliance commonly used in daily life of people, the electric water heater can be divided into a water storage type electric water heater and an instant electric water heater according to the heating power, and the water storage type electric water heater is provided with a water tank, so that the water storage type electric water heater has the characteristics of large water yield, stable water temperature and the like, and is purchased and used by more families.

In order to improve water storage capacity, a water storage type electric water heater in the prior art generally adopts a double-liner structure, and meanwhile, each liner is respectively provided with an electric heating pipe to heat water in the liner. In practical products, in order to reduce the cost, a mechanical knob is generally used to control the temperature of the inner containers, and the two inner containers need to be detected respectively, and for this purpose, a temperature controller needs to be configured for the two inner containers respectively to adjust the heating power of the electric heating tubes in the corresponding inner containers. And the two temperature controllers are respectively provided with independent knobs for operation.

However, in the actual use process, when the user adjusts the temperature in two inner bags, the adjustment degree of two knobs is easily confused, and temperature adjustment errors and scalds are caused, so that user experience is affected. In view of this, how to design a technology that facilitates the user to adjust the water temperature of two inner containers simultaneously to improve the user experience is a technical problem to be solved by the present utility model.

Disclosure of Invention

The utility model provides a mechanical double-liner electric water heater, which is convenient for a user to adjust the water temperatures of two liners at the same time so as to improve the use experience of the user.

In order to achieve the technical purpose, the utility model is realized by adopting the following technical scheme:

in one aspect, the present utility model provides a housing, the housing defining an installation space inside;

the first inner container is internally provided with a first electric heating component;

the second inner container is internally provided with a second electric heating component;

the mechanical temperature adjusting assembly comprises a mounting panel, a first temperature controller, a second temperature controller and a knob, wherein the first temperature controller and the second temperature controller are arranged on the mounting panel, the knob is arranged on a rotating shaft of the first temperature controller, and the rotating shaft of the first temperature controller is in transmission connection with the rotating shaft of the second temperature controller;

wherein the first liner and the second liner are located in the housing, the temperature sensing component of the first thermostat is located in the first liner, the temperature sensing component of the second thermostat is located in the second liner, the first thermostat is configured to regulate the power of the first electrical heating component, and the second thermostat is configured to regulate the power of the second electrical heating component.

In an embodiment of the utility model, a first gear is arranged on a rotating shaft of the first temperature controller, a second gear is arranged on a rotating shaft of the second temperature controller, and the first gear is meshed with the second gear.

In an embodiment of the utility model, an annular rib is disposed on the back of the mounting panel, and the first gear and the second gear are surrounded by the annular rib.

In an embodiment of the utility model, two mounting brackets are arranged on the mounting back, the mounting brackets span the annular ribs, and the first temperature controller and the second temperature controller are respectively arranged on the corresponding mounting brackets.

In an embodiment of the utility model, a first gear is arranged on a rotating shaft of the first temperature controller, and a second gear is arranged on a rotating shaft of the second temperature controller;

the mounting panel is also provided with a slidable rack which is respectively meshed with the first gear and the second gear.

In an embodiment of the present utility model, the first inner container and the second inner container are communicated with each other;

the water inlet pipe is arranged on the first inner container and communicated with the first inner container, and the water inlet pipe is configured to input water into the first inner container;

the water outlet pipe is communicated with the second inner container and is configured to output water of the second inner container.

In an embodiment of the present utility model, the first electric heating component includes a first flange, and a first electric heating pipe and a second electric heating pipe that are disposed on the first flange, where the first flange is disposed at an end of the first inner container, and the first electric heating pipe and the second electric heating pipe extend into the first inner container respectively;

the second electric heating component comprises a second flange, a first electric heating pipe II and a second electric heating pipe II, wherein the first electric heating pipe II and the second electric heating pipe II are arranged on the second flange, the second flange is arranged at the end part of the second inner container, and the first electric heating pipe II and the second electric heating pipe II respectively extend into the second inner container;

the first electric heating pipe I is arranged along the axial direction of the first inner container and is close to the first flange, and the second electric heating pipe I is arranged in a manner of being attached to the circumferential wall of the first inner container;

the second electric heating pipe is arranged along the axial direction of the second inner container and is close to the second flange, and the second electric heating pipe is attached to the circumferential wall of the second inner container.

In an embodiment of the utility model, the first electric heating pipe is arranged on one side of the first flange in a roundabout manner, and the second electric heating pipe is arranged on one side of the second flange in a roundabout manner.

In an embodiment of the present utility model, the first electric heating tube includes a first fixing portion, a first bending portion and a first extension portion that are sequentially connected, the first fixing portion and the first electric heating tube are arranged side by side, the first bending portion extends toward a sidewall direction of the first inner container, and the first extension portion extends along an axial direction of the first inner container and is close to a circumferential wall of the first inner container;

the second electric heating pipe II comprises a second fixing part, a second bending part and a second extending part which are sequentially connected, the second fixing part and the first second electric heating pipe II are arranged side by side, the second bending part extends towards the side wall direction of the second inner container, and the second extending part extends along the axial direction of the second inner container and is close to the circumferential wall of the second inner container.

In an embodiment of the utility model, the first liner and the second liner are arranged in the installation space of the shell side by side, an installation opening is further formed in the shell, a claw is arranged at the edge of the installation panel, and the installation panel is clamped in the installation opening through the claw.

According to the electric water heater provided by the utility model, the two temperature controllers are intensively arranged on the installation panel, and the rotating shafts of the two temperature controllers are arranged together in a transmission connection mode, so that when a user adjusts through the knob, the user can synchronously adjust the two temperature controllers by rotating a single knob, further, the synchronous adjusting temperature of the two temperature controllers is accurately controlled, the user does not need to adjust the two temperature controllers respectively, the situation that users are scalded due to different water temperatures of different inner containers caused by the fact that the user records an adjusting sequence is avoided, the whole structure of the mechanical temperature adjusting assembly is simple, and the convenience is brought to the user to adjust the water temperatures of the two inner containers simultaneously so as to improve the use experience of the user.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a mechanical dual-liner electric water heater according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the mechanical tempering assembly of FIG. 1;

FIG. 3 is a second schematic diagram of the mechanical temperature adjustment assembly of FIG. 1;

FIG. 4 is an exploded view of the mechanical tempering assembly of FIG. 1;

FIG. 5 is a schematic view of a mechanical double-liner electric water heater in a horizontal installation state;

fig. 6 is a schematic structural view of the mechanical double-liner electric water heater in fig. 5 in an upright installation state;

FIG. 7 is a second schematic view of the mechanical dual-liner electric water heater in the horizontal installation state;

fig. 8 is a schematic structural view of the mechanical double-liner electric water heater in fig. 7 in an upright installation state;

fig. 9 is a schematic circuit diagram of an embodiment of an inventive electric water heater.

Reference numerals illustrate:

a first liner 100;

the first electric heating component 1000, the first electric heating pipe 110, the second electric heating pipe 120 and the first flange 130;

a second liner 200;

the second electric heating component 2000, the first electric heating pipe II 210, the second electric heating pipe II 220 and the second flange 230;

a water inlet pipe 300;

a water outlet pipe 400;

a housing 500;

a first temperature limiter 610; a second temperature limiter 620;

a mechanical tempering assembly 700, a first thermostat 710; a second thermostat 720, a mounting panel 730, a knob 740;

a first gear 711, a second gear 721, annular ribs 731, a mounting bracket 732, and a pawl 733;

a first gear switch 810; a second gear switch 820.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The electric water heater adopts electric energy as a main energy material, and the high-temperature heat generated after the electric energy is electrified directly heats water stored in the electric water heater so as to achieve the purpose of preparing hot water.

The electric water heater generally comprises a water tank, an electric heating component, an electric control board and the like, wherein a water storage cavity is formed in the water tank to store water to be heated, the electric heating component is inserted into the water storage cavity formed by the water tank, and the electric control board is used for controlling the electric heating component to be powered on and powered off so as to heat the water in the water tank to a set temperature.

For a water tank of an electric water heater, the water tank generally comprises a shell and an inner container, and an insulation layer is formed between the shell and the inner container. Wherein, the shell is generally made of plastic materials so as to meet the design requirements of beautiful and diversified shapes; the inner container can be a metal container body or a plastic container body according to the requirement.

In addition, the heat preservation that forms between shell and the inner bag, the heat preservation material that commonly uses has: asbestos, sponge, foam, polyurethane foam, etc., and in order to obtain a good heat-insulating effect in the conventional art, a heat-insulating layer is usually formed by foaming.

For the liner adopting the metal liner body, the inside of the liner is easy to corrode due to the influence of water quality, and therefore, the water tank is also provided with a magnesium rod which is inserted into a water storage cavity in the water tank.

Since magnesium is the lowest potential metal in the electrochemical sequence, it is physiologically non-toxic. Therefore, the magnesium rod protective liner is very ideal to be used for manufacturing the magnesium rod protective liner. The size of the magnesium rod is directly related to the time of protecting the liner and the protecting effect, and the larger the magnesium rod is, the better the protecting effect is and the longer the protecting time is.

The water tank is also provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is used for conveying cold water into a water storage cavity formed in the water tank, and hot water in the water storage cavity is output from the water outlet pipe.

For the electric heating component, electric heating modes such as electric heating wires, magnetic energy or silicon tube heating can be adopted to heat water stored in the water storage cavity.

For the electric control board, the electric control board is used for receiving detection signals sent by related sensors (such as a water temperature sensor and a flow sensor) and controlling the electric heating component to be powered on and powered off.

When the electric water heater works, the electric heating component is controlled by the electric control board to be electrified and heated, and when the water temperature of the water in the water tank reaches a set value, the electric heating component is controlled by the electric control board to be powered off.

Referring to fig. 1, an embodiment of the present utility model provides a mechanical dual-liner electric water heater, including:

a housing 500, an installation space being formed inside the housing;

a first inner container 100 in which a first electric heating member 1000 is provided;

a second inner container 200 in which a second electric heating part 2000 is provided;

the mechanical temperature adjusting assembly 700, the mechanical temperature adjusting assembly 700 comprises a mounting panel 730, a first temperature controller 710, a second temperature controller 720 and a knob 740, the first temperature controller 710 and the second temperature controller 720 are arranged on the mounting panel 730, the knob 740 is arranged on the rotating shaft of the first temperature controller 710, and the rotating shaft of the first temperature controller 710 is in transmission connection with the rotating shaft of the second temperature controller 720;

wherein the first and second inner containers are located in the housing, the temperature sensing part of the first thermostat 710 is located in the first inner container, the temperature sensing part of the second thermostat 720 is located in the second inner container, the first thermostat 710 is configured to regulate the power of the first electric heating part, and the second thermostat 720 is configured to regulate the power of the second electric heating part.

Specifically, the first electric heating component is configured in the first inner container to meet the heating requirement of the water in the first inner container, and similarly, the second inner container is respectively configured with the second electric heating component to meet the heating requirement of the water in the second inner container.

In order to accurately control the first electric heating component and the second electric heating component respectively, the first electric heating component is electrically connected with the first temperature controller 710, and the first temperature controller 710 detects the water temperature in the first inner container according to the temperature sensing component connected with the first temperature controller to control the on/off of the first electric heating component. Similarly, the second electric heating component is electrically connected with the second temperature controller 720, and the second temperature controller 720 controls the on/off of the second electric heating component according to the temperature sensing component connected with the second temperature controller to detect the water temperature in the second liner.

And in the use process, when the water temperature in the two inner containers needs to be adjusted, the user rotates the knob 740 outside, and in the rotation process of the knob 740, the rotating shaft of the first temperature controller 710 is driven to rotate, so that the parameters of the first temperature controller 710 are directly adjusted. In the rotation process of the rotating shaft of the first temperature controller 710, the rotating shaft of the second temperature controller 720 is synchronously driven to rotate, so that the first temperature controller 710 and the second temperature controller 720 are synchronously adjusted through the rotating knob 740.

In one embodiment of the present utility model, there are various structural modes for driving between the rotation shaft of the first temperature controller 710 and the rotation shaft of the second temperature controller 720. The following description is made with reference to the accompanying drawings.

In the first mode, the transmission mode between the rotating shafts of the first temperature controller 710 and the second temperature controller 720 can also adopt a direct transmission mode. That is, the first gear 711 is provided on the rotation shaft of the first thermostat 710, the second gear 721 is provided on the rotation shaft of the second thermostat 720, and the first gear 711 is engaged with the second gear 721.

Specifically, gears are provided on the rotation shafts of the first and second thermostats 710 and 720, respectively, and the first and second gears 711 and 721 are always in a meshed state. When the rotation shaft of the first temperature controller 710 is driven by the knob 740, the rotation shaft of the second temperature controller 720 is synchronously rotated by the cooperation of the first gear 711 and the second gear 721.

And because the first gear 711 and the second gear 721 are directly engaged, the rotation directions of the rotation shafts of the first temperature controller 710 and the second temperature controller 720 are opposite, and the initialization of the rotation adjustment directions of the first temperature controller 710 and the second temperature controller 720 is set in opposite directions, so that the first temperature controller 710 and the second temperature controller 720 can synchronously adjust the temperature rise and the temperature drop.

In an embodiment, to facilitate the installation of the first gear 711 and the second gear 721, an annular rib 731 may be further disposed on the back of the installation panel 730, and the first gear 711 and the second gear 721 are surrounded by the annular rib 731.

Specifically, the annular rib 731 forms a space for installing the first gear 711 and the second gear 721, and then in the later use process, the annular rib 731 is used for protecting the first gear 711 and the second gear 721, so as to avoid the situation that external particles are blocked between the first gear 711 and the second gear 721 to cause blocking, thereby improving the use reliability.

In another embodiment, the mounting back is provided with two mounting brackets 732, the mounting brackets 732 span the annular rib 731, and the first temperature controller 710 and the second temperature controller 720 are respectively disposed on the corresponding mounting brackets 732.

Specifically, in order to facilitate and firmly fix the thermostat on the mounting panel 730, two mounting brackets 732 may be disposed on the back of the mounting panel 730 to span the annular rib 731. The mounting bracket 732 spans the annular rib 731 to meet the requirement that the gear is mounted in the space defined by the annular rib 731, and the main structure of the thermostat is mounted on the mounting bracket 732 to meet the requirement of fixed assembly.

In the second mode, the transmission mode between the rotating shafts of the first temperature controller 710 and the second temperature controller 720 can also adopt an indirect transmission mode. Namely, a first gear 711 is arranged on the rotating shaft of the first temperature controller 710, and a second gear 721 is arranged on the rotating shaft of the second temperature controller 720; the mounting panel 730 is further provided with slidably racks that are engaged with the first gear 711 and the second gear 721, respectively.

Specifically, when the user rotates the knob, the first gear 711 rotates to drive the rack to move on the mounting panel 730, and the moving rack further drives the second gear 721 to rotate.

In some embodiments of the present utility model, for convenience of assembly, the first liner and the second liner are arranged side by side in a mounting space of the housing, a mounting opening (not labeled) is further provided on the housing, a claw 733 is provided at an edge of the mounting panel 730, and the mounting panel 730 is clamped in the mounting opening through the claw 733.

Specifically, two inner containers in the housing are arranged side by side to fully utilize the inner space of the housing. For the mechanical tempering assembly 700, however, the mounting panel 730 is snapped into the mounting opening of the housing using the jaws 733 in order to meet the requirements of later maintenance. When the temperature controller needs to be maintained, the mounting panel 730 can be pried off the housing to maintain the temperature controller on the back of the mounting panel 730.

In order to meet the requirement of efficient heating of water in the inner container in the transverse and vertical installation postures, the electric water heater further comprises a controller, and the controller is configured to control the on and off of the electric heating component according to the installation postures of the electric water heater. The specific entity of the controller may be a processor integrated on an electric control board in a conventional electric water heater, which is not limited and described herein.

As shown in fig. 5 to 9, the first electric heating part 1000 in the first inner container 100 includes a first electric heating pipe 110 and a second electric heating pipe 120; the second electric heating part 2000 in the second inner container 200 includes a first electric heating pipe two 210 and a second electric heating pipe two 220, the water inlet pipe 300 extends into the first inner container 100, and the water outlet pipe 400 extends into the second inner container 200.

Specifically, the first electric heating tube 110 and the second electric heating tube 210 are identical in structure, and the second electric heating tube 120 and the second electric heating tube 220 are identical in structure, so the first electric heating tube 110 and the second electric heating tube 120 in the first inner container 100 are described below as an example.

The first electric heating pipe 110 is a symmetrically arranged U-shaped heating pipe; the first electric heating tube 110 is positioned at the water inlet end of the first liner 100; the fixed end of the second electric heating tube 120 is the same as the fixed end of the first electric heating tube 110. The second electric heating tube 120 is generally divided into three parts, a first part is a fixing part arranged side by side with the first electric heating tube 110, a second part is a bending part extending toward the sidewall of the first liner 100, and a third part is an extension part extending along the axial direction of the first liner 100 and adjacent to the sidewall of the first liner 100.

Furthermore, during use, cold water is concentrated at one end of the first inner container 100 or the second inner container 200 during vertical installation, so that only the first electric heating pipe 110 in the first inner container 100 and the second electric heating pipe 210 in the second inner container 200 can be controlled to be opened for heating, and the whole inner container water can be heated according to the principle of low hot water density; during horizontal installation, cold water is concentrated at one side wall of the first inner container 100 or the second inner container 200, so that only the first electric heating pipe 120 in the first inner container 100 and the second electric heating pipe 220 in the second inner container 200 can be controlled to be opened for heating; the hot water in the whole inner container can be ensured to be heated uniformly, and a user can enjoy more hot water after the heating is finished.

In another embodiment, as shown in fig. 7 and 8, the first and second liners 100 and 200 may be further connected through an externally provided connection water pipe 500 for convenience of communicating the two liners.

In an embodiment, the controller further comprises a gear switch for controlling the first electric heating tube and the second electric heating tube in the same inner container, and the gear switch comprises four gears: the first electric heating pipe and the second electric heating pipe are simultaneously disconnected, only the first electric heating pipe is connected, only the second electric heating pipe is connected, and the first electric heating pipe and the second electric heating pipe are simultaneously connected.

Further, the controller also comprises a temperature controller connected in series with the gear switch; the other end of the temperature controller is connected with the temperature limiter in series.

Further, as shown in fig. 9, the gear switch includes a first gear switch 810 and a second gear switch 820; specifically, the first gear switch 810 is provided with four gears: the first electric heating pipe 110 is only connected in the first gear, the second electric heating pipe 120 is only connected in the second gear, the first electric heating pipe 110 is simultaneously connected with the second electric heating pipe 120 in the third gear, and the first electric heating pipe 110 and the second electric heating pipe 120 are simultaneously disconnected in the fourth gear.

Likewise, the second gear switch 820 is also provided with four gears: the first electric heating pipe II 210 is only connected, the second electric heating pipe II 220 is only connected, the first electric heating pipe II 210 and the second electric heating pipe II 220 are simultaneously connected, and the fourth electric heating pipe II 220 and the first electric heating pipe II 210 and the second electric heating pipe II 220 are simultaneously disconnected.

The thermostat includes a first thermostat 710 and a second thermostat 720.

Further, the first electric heating tube 2001 one 110 and the second electric heating tube 2002 one 120 are respectively connected with a first gear switch 810, the first gear switch 810 and the first temperature controller 710 are connected in series, and the first electric heating tube one 110, the second electric heating tube one 120, the first gear switch 810 and the first temperature controller 710 form a first inner container heating group; the first electric heating tube 2001 two 210 and the second electric heating tube 2002 two 220 are respectively connected with a second gear switch 820, the second gear switch 820 and the second temperature controller 720 are connected in series, and the first electric heating tube two 210, the second electric heating tube two 220, the second gear switch 820 and the second temperature controller 720 form a second inner container heating group.

Further, the electric heating component in the first liner 100 and the electric heating component in the second liner 200 are arranged in parallel and connected with the temperature limiter; the temperature limiter includes a first temperature limiter 610 and a second temperature limiter 620 connected in parallel.

Specifically, the first temperature limiter 610 collects the temperature of the first liner 100, the second temperature limiter 620 collects the temperature of the second liner 200, and when the temperature in any liner reaches the warning value, the first temperature limiter 610 or the second temperature limiter 620 is disconnected, so that each heating component pauses heating.

The control method of the electric water heater comprises the step of controlling the first electric heating pipe and/or the second electric heating pipe in the corresponding inner container to be electrified according to the installation posture of the electric water heater.

The method comprises the following steps: according to the target water consumption and the installation mode of the electric water heater, the first electric heating pipe and/or the second electric heating pipe in the corresponding inner container are controlled to be electrified and run, and the method specifically comprises the following steps:

s1, the controller collects water consumption set by a user;

s2, controlling the start and stop of the first electric heating pipe 2001 and the second electric heating pipe 2002 by the controller according to the target water consumption and the installation mode of the liner in the step S1;

s3, the controller collects real-time heating temperatures in the inner containers, and when the real-time heating temperatures exceed the target heating temperatures, the controller controls the corresponding temperature limiters to be disconnected.

The step S3 specifically includes: the first temperature limiter 610 and the second temperature limiter 620 collect real-time heating temperatures in the first liner 100 and the second liner 200, respectively, and transmit the real-time heating temperatures to the controller, and when the real-time heating temperature in any liner reaches a target heating temperature, i.e., an alarm value, the first temperature limiter 610 or the second temperature limiter 620 is disconnected, so that each heating component pauses heating.

In some embodiments, the first electric heating tube in the liner with the water inlet tube is a first heating tube, the second electric heating tube is a second heating tube, the first electric heating tube in the liner with the water outlet tube is a third heating tube, and the second electric heating tube is a fourth heating tube; the electric water heater is divided into vertical installation and horizontal installation, and the target water consumption comprises L1 volume, L2 volume, L3 volume and L4 volume, wherein L1< L2< L3< L4.

Specifically, according to the different installation modes of the liner, under different water consumption conditions, in order to meet the requirement of reducing energy consumption, different electric heating components are required to be controlled to be powered on and powered off.

Under the condition of vertical installation at the electric water heater;

when the target water consumption is L1 volume, the fourth heating pipe is electrified for heating;

when the target water consumption is L2 volume, the third heating pipe is electrified and heated, and the fourth heating pipe is selectively electrified and heated;

when the target water consumption is L3 volume, the second heating pipe and the third heating pipe are simultaneously electrified and heated, and the fourth heating pipe is selectively electrified and heated;

and when the target water consumption is L4 volume, the first heating pipe and the third heating pipe are simultaneously electrified and heated, and the second heating pipe and/or the fourth heating pipe are/is selectively electrified and heated.

Under the condition of horizontal installation at the electric water heater;

when the target water consumption is L1 volume, the third heating pipe is electrified and heated;

when the target water consumption is L2 volume, the fourth heating pipe is electrified and heated, and the third heating pipe is selectively electrified and heated;

when the target water consumption is L3 volume, the first heating pipe and the fourth heating pipe are simultaneously electrified and heated, and the third heating pipe is selectively electrified and heated;

and when the target water consumption is L4 volume, the second heating pipe and the fourth heating pipe are simultaneously electrified and heated, and the first heating pipe and/or the third heating pipe are/is selectively electrified and heated.

Specifically, by way of example, L1 is 1/4 rated volume of the electric water heater, L2 is 1/2 rated volume of the electric water heater, L3 is 3/4 rated volume of the electric water heater, and L4 is the total rated volume of the electric water heater.

Further, according to the gear settings of the first gear switch 810 and the second gear switch 820, the water heater in this embodiment may have the following usage scenarios:

for a vertically mounted water heater, reference may be made to FIG. 6:

scene one, satisfying a small amount of water for users:

about 1/4 rated volume of hot water can be heated, the water for washing dishes by a user can be satisfied, the control mode is that the first temperature controller 710 is disconnected, the second temperature controller 720 is connected, the second gear switch 820 is switched to a gear II, and only the second electric heating pipe two 220 is connected.

Scene two, satisfy user proper amount water:

about 1/2 rated volume of hot water can be heated to meet the requirement of washing dishes by a user or bathing water by a single person, the control mode is that the first temperature controller 710 is disconnected, the second temperature controller 720 is connected, the second gear switch 820 is switched to the I gear, and the water in the inner container at the left side in the figure 6 can be heated only by connecting the first electric heating pipe II 210; or the second gear switch 820 is switched to the III gear, and the first electric heating pipe II 210 and the second electric heating pipe II 220 are connected at the same time, so that the water in the left inner container can be quickly heated.

Scene three, satisfy user's a large amount of water:

about 3/4 rated volume of hot water can be heated to satisfy the user's dish washing and single bathing water, the control mode is to switch on the first temperature controller 710 and simultaneously switch on the second temperature controller 720, the second gear switch 820 is switched to the I gear or the III gear, and the first gear switch 810 is switched to the II gear.

Scene four, satisfy a large amount of water of user:

the double-liner hot water can be heated, a large amount of water for a plurality of users can be met, the control mode is that the first temperature controller 710 is connected and the second temperature controller 720 is connected, the second gear switch 820 is switched to the I gear or the III gear, and meanwhile, the first gear switch 810 is switched to the I gear or the III gear.

For a horizontal mounted water heater, reference may be made to FIG. 7:

scene one, satisfying a small amount of water for users:

about 1/4 rated volume of hot water can be heated, water for washing dishes by a user is satisfied, the control mode is that the first temperature controller 710 is disconnected, the second temperature controller 720 is connected, and the second gear switch 820 is switched to the I gear, so that the water in the inner container at the upper side in the figure 3 can be heated only by connecting the first electric heating pipe II 210.

Scene two, satisfy user proper amount water:

about 1/2 rated volume of hot water can be heated to meet the requirement of dish washing or single bathing water for a user, and the control mode is that the first temperature controller 710 is disconnected, the second temperature controller 720 is connected, the second gear switch 820 is switched to a gear II, and only the second electric heating pipe II 220 is connected; or the second gear switch 820 is switched to the III gear, and the first electric heating pipe II 210 and the second electric heating pipe II 220 are connected at the same time, so that the water in the left inner container can be quickly heated.

Scene three, satisfy user's a large amount of water:

about 3/4 rated volume of hot water can be heated to satisfy the user's dish washing and single bathing water, the control mode is to switch on the first temperature controller 710 and simultaneously switch on the second temperature controller 720, the second gear switch 820 is switched to the II gear or the III gear, and the first gear switch 810 is switched to the I gear.

Scene four, satisfy a large amount of water of user:

the double-liner hot water can be heated, so that a large amount of water for a plurality of users can be met, the control mode is that the first temperature controller 710 is connected and the second temperature controller 720 is connected, the second gear switch 820 is switched to the II gear or the III gear, and the first gear switch 810 is switched to the II gear or the III gear.

The embodiment of the utility model also provides a control method of the electric water heater, which is used for intelligently controlling the heating start time and the heating quantity of the electric water heater according to the water consumption conditions of different users, and particularly aiming at people with regular life parts, the control method can greatly improve the user experience and also can save the electric energy to the greatest extent.

The control method specifically comprises the following steps: learning mode and intelligent mode of operation.

In the learning mode, after water in the two inner containers is heated to a set temperature value T in every set N days, when the water temperature in the inner containers is reduced by more than DeltaT per minute, judging the continuous water outlet state of the electric water heater, and recording the water consumption starting time T of the day _n The method comprises the steps of carrying out a first treatment on the surface of the When the water temperature in the inner containers is lower than delta T in each minute, the electric water heater is judged to be in a standby state, and meanwhile, the water heating quantity Q required for heating the water temperature of the inner containers to a set temperature value is calculated according to the temperature difference of the water temperature of the two inner containers _n 。

Specifically, in the actual use process of the electric water heater installed in the user's home, a period of time set by one week, two weeks, one month or the like may be used as the learning period. In each learning period, after the electric water heater is heated to a set temperature value T each time, judging whether a user uses a large amount of water or not by judging the falling speed of the water temperature in the liner, and further judging and recording the water consumption starting time point T of the user _n . After the water consumption of the user is finished, the water consumption Q of the user using the hot water is calculated according to the water temperature drop amount in the liner _n According to Q _n To control the heating amount of the electric heating member.

Under the intelligent operation module, obtaining the water consumption starting time point t in the previous period _n At the time point t calculated every day, starting the electric heating component to heat the water in the liner until the water temperature rises, wherein the heat generated by the electric heating component is not less than the water heat Q _n The method comprises the steps of carrying out a first treatment on the surface of the Wherein t=t _n -△t。

Specifically, the water heater enables in the periodIn the course of use, the water starting time point t obtained according to the previous period is used _n And the heat quantity Q of water _n To control the automatic operation of the electric water heater. Under the condition of no hot water, the electric heating component can be not electrified to heat or can be in medium-low water temperature heat preservation operation at ordinary times, so that the temperature difference between the water in the inner container and the outside can be reduced, and the energy loss caused by heat conduction is further reduced, so that the energy-saving effect is achieved.

Meanwhile, in order to meet the requirement of users for using hot water normally, the electric water heater is started at a time point t calculated every day, so that the electric heating component is electrified to heat water in the inner container. And the heating quantity of the inner container is controlled to refer to the water consumption quantity Q calculated in the previous period _n Heating is performed as a reference. Therefore, on one hand, after the user returns home, the electric water heater can supply hot water in time so that the user does not need to wait for heating the hot water, and on the other hand, the electric water heater can supply the hot water Q according to the water consumption of the previous period _n The heating capacity of the electric water heater is controlled, so that the use requirement of hot water of a user can be met, and the heat waste caused by excessive heating of hot water can be reduced, thereby effectively reducing the energy consumption.

In some embodiments, under the intelligent operation module, the water consumption starting time point t obtained in the previous period is used _n The minimum value t of (2) _min Calculated time point t, i.e., t=t _min -△t。

Specifically, a plurality of water use start time points t obtained for the previous cycle _n At a minimum value t _min The time point t for starting heating in the period is calculated, so that the user can use hot water immediately after returning home, heating is not needed to wait, and the user experience is improved.

In another embodiment, under the intelligent operation module, the water heating quantity Q obtained in the previous period is used _n Maximum value Q of (B) _max Controlling the heat generated by the electric heating component.

Specifically, the plurality of water heat amounts Q obtained for the previous cycle _n At a maximum value Q _max The heat generated by the electric heating component is controlled to ensure that the electric water heater heats enough heat to generateEnough hot water is produced for the user to use.

In some embodiments, to increase the hot water output rate, the intelligent operation module starts the electric heating element in the liner with the water outlet pipe, and if the liner is heated to the highest set temperature, the heat generated by the electric heating element is smaller than the water heat Q _n The electric heating element in the liner provided with the water inlet pipe is restarted.

Specifically, for the electric water heater adopting the two inner containers, in the heating process, the water in the inner container provided with the water outlet pipe is heated first so as to ensure that the inner container has sufficient hot water output, and adverse effects of cold water introduced by the water inlet pipe on the hot water output rate can be reduced to the greatest extent. And after the water temperature of the inner container reaches the highest set temperature, the inner container provided with the water inlet pipe is heated.

In the above embodiments, unless otherwise specified, it is assumed that an electric heating member is provided in each liner.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A mechanical double-liner electric water heater, comprising:

a housing, an installation space being formed inside the housing;

2. The mechanical double-liner electric water heater according to claim 1, wherein a first gear is arranged on a rotating shaft of the first temperature controller, a second gear is arranged on a rotating shaft of the second temperature controller, and the first gear is meshed with the second gear.

3. The mechanical double-liner electric water heater as claimed in claim 2, wherein the back of the mounting panel is provided with annular ribs, and the first gear and the second gear are surrounded by the annular ribs.

4. The mechanical double-liner electric water heater according to claim 3, wherein two mounting brackets are arranged on the mounting back, the mounting brackets span the annular ribs, and the first temperature controller and the second temperature controller are respectively arranged on the corresponding mounting brackets.

5. The mechanical double-liner electric water heater according to claim 1, wherein a first gear is arranged on a rotating shaft of the first temperature controller, and a second gear is arranged on a rotating shaft of the second temperature controller;

6. The mechanical double-liner electric water heater according to claim 1, wherein the first liner and the second liner are in communication with each other;

7. The mechanical double-liner electric water heater according to claim 6, wherein the first electric heating component comprises a first flange and a first electric heating pipe and a second electric heating pipe which are arranged on the first flange, the first flange is arranged at the end part of the first liner, and the first electric heating pipe and the second electric heating pipe extend into the first liner respectively;

8. The mechanical double-liner electric water heater of claim 7, wherein the first electric heating tube is circuitously disposed on one side of the first flange and the second electric heating tube is circuitously disposed on one side of the second flange.

9. The mechanical double-liner electric water heater according to claim 7, wherein the first electric heating pipe comprises a first fixing part, a first bending part and a first extending part which are sequentially connected, wherein the first fixing part and the first electric heating pipe are arranged side by side, the first bending part extends towards the side wall direction of the first liner, and the first extending part extends along the axial direction of the first liner and is close to the circumferential wall of the first liner;

10. The mechanical double-liner electric water heater according to claim 1, wherein the first liner and the second liner are arranged side by side in a mounting space of the housing, a mounting opening is further formed in the housing, a claw is arranged at an edge of the mounting panel, and the mounting panel is clamped in the mounting opening through the claw.