CN219433476U

CN219433476U - Electric water heater

Info

Publication number: CN219433476U
Application number: CN202320662392.2U
Authority: CN
Inventors: 王新宇; 吴金水; 申勇兵
Original assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-28
Anticipated expiration: 2033-03-29

Abstract

The utility model provides an electric water heater. The electric water heater comprises a shell, a liner assembly, a water main, a water mixing module, an instant heating module and a control device, wherein the liner assembly comprises a liner body, a liner heating module, a liner water inlet pipe and a liner water outlet pipe, and the liner heating module is arranged on the liner body; the water inlet of the water inlet pipe of the inner container is communicated with the water inlet pipe; the water mixing module is arranged on the water main and is positioned at the downstream of the water inlet pipe of the inner container, and the water mixing module is used for adjusting the proportion of cold water and hot water flowing through the water mixing module; the instant heating module is arranged on the water pipe outside the shell and is positioned at the upstream of the water inlet pipe of the inner container, and the instant heating module is used for heating water flowing through the water pipe; the liner heating module, the water mixing module and the instant heating module are respectively and electrically connected with the control device. The utility model can shorten the heating time of the electric water heater and improve the energy utilization rate of the electric water heater.

Description

Electric water heater

Technical Field

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

Background

The water heater is an indispensable household appliance for every household at present, and the use of the electric water heater is wider at present. The electric water heater generally adopts a water storage heating mode to supply hot water, the hot water supplied by the electric water heater is not instant heating, the electric water heater can be used after a period of time when a user needs to quickly use the hot water, and the use requirement can be met at least by heating the hot water in the electric water heater to the preset temperature of the user, so that the waiting time of the user is overlong, and the use experience is poor.

Disclosure of Invention

The utility model mainly aims to provide an electric water heater, which aims to shorten the heating time of the electric water heater and improve the energy utilization rate of the electric water heater.

To achieve the above object, the present utility model provides an electric water heater, comprising:

a housing;

the inner container assembly comprises an inner container body, an inner container heating module, an inner container water inlet pipe and an inner container water outlet pipe which are arranged on the inner container body, and the inner container body is arranged in the shell;

the water inlet of the water inlet pipe of the inner container is communicated with the water inlet pipe;

the water mixing module is arranged on the water main and is positioned at the downstream of the water inlet pipe of the inner container, the cold water inlet of the water mixing module is communicated with the water main, the hot water inlet of the water mixing module is communicated with the water outlet of the water outlet pipe of the inner container, the water outlet of the water mixing module is communicated with the water main, and the water mixing module is used for adjusting the proportion of cold water and hot water flowing through the water mixing module;

the instant heating module is arranged on the water main outside the shell and is positioned at the upstream of the water inlet pipe of the inner container, and the instant heating module is used for heating water flowing through the water main; and

And the liner heating module, the water mixing module and the instant heating module are respectively and electrically connected with the control device.

In an embodiment, the water main includes a first water pipe section and a second water pipe section that are mutually communicated, the first water pipe section is disposed upstream of the second water pipe section, at least a portion of the first water pipe section is located outside the housing, and the instant heating module is disposed on the first water pipe section outside the housing.

In an embodiment, the water main further comprises a water pipe connection, and the first water pipe section and the second water pipe section are detachably connected through the water pipe connection.

In one embodiment, the water connection is provided outside the housing.

In an embodiment, the second water pipe section includes first inlet tube, first outlet pipe and pipeline joint, pipeline joint has first interface, second interface and the third interface of mutual intercommunication, first interface with first inlet tube intercommunication, the second interface with the water inlet intercommunication of inner bag inlet tube, the third interface with first outlet pipe intercommunication, the water mixing module is located on the first outlet pipe.

In an embodiment, the electric water heater further includes an external temperature sensor, and the external temperature sensor is disposed on the first water pipe section outside the housing.

In an embodiment, the instant heating module is arranged on the first water pipe section and divides the first water pipe section into an instant heating water inlet pipe and an instant heating water outlet pipe, and the instant heating water inlet pipe, the instant heating module, the instant heating water outlet pipe and the second water pipe section are sequentially communicated; the external temperature sensor is arranged on the instant heating water inlet pipe; and/or the number of the groups of groups,

the external temperature sensor is arranged on the instant heating water outlet pipe.

In an embodiment, the electric water heater further includes an external flow sensor, and the external flow sensor is disposed on the first water pipe section outside the housing.

In an embodiment, the instant heating module is arranged on the first water pipe section and divides the first water pipe section into an instant heating water inlet pipe and an instant heating water outlet pipe, and the instant heating water inlet pipe, the instant heating module, the instant heating water outlet pipe and the second water pipe section are sequentially communicated; the external flow sensor is arranged on the instant heating water inlet pipe; and/or the number of the groups of groups,

the external flow sensor is arranged on the instant heating water outlet pipe.

In an embodiment, the electric water heater further comprises a water inlet temperature sensor, and the water inlet temperature sensor is arranged on the second water pipe section and is located at the upstream of the water inlet pipe of the inner container.

In one embodiment, the electric water heater further comprises a water storage flow sensor; the water storage flow sensor is arranged on the second water pipe section and is positioned at the upstream of the water inlet pipe of the inner container; and/or the number of the groups of groups,

the water storage flow sensor is arranged on the second water pipe section and is positioned at the downstream of the water outlet of the water mixing module.

In an embodiment, the electric water heater further comprises a water outlet temperature sensor, and the water outlet temperature sensor is arranged on the water main and is positioned at the downstream of the water outlet of the water mixing module.

In an embodiment, the electric water heater further includes a liner temperature sensor, where the liner temperature sensor is disposed on the liner body, and is used for detecting a water outlet temperature of the liner water outlet pipe and/or a water temperature in the liner body.

The electric water heater comprises a shell, an inner container assembly, a water main, a water mixing module, an instant heating module and a control device, wherein the inner container assembly comprises an inner container body, an inner container heating module, an inner container water inlet pipe and an inner container water outlet pipe, the water mixing module is used for adjusting the proportion of cold water and hot water flowing through the water mixing module, namely, the hot module is arranged on the water main outside the shell and is positioned at the upstream of a water inlet of the inner container water inlet pipe, namely, the hot module is used for heating water flowing through the water main, and the instant heating module is correspondingly arranged externally, so that the instant heating module is convenient to assemble and disassemble, and the inner container heating module and the instant heating module can be matched for use. When the water in the main water pipe can reach the preset temperature of a user after being heated by the instant heating module, the electric water heater can supply hot water in a mode of independently heating the water inlet of the instant heating module outside the liner, and at the moment, the water supply waterway only passes through the main water pipe and does not pass through the liner heating module, so that the instant heating of the electric water heater can be realized, the user does not need to wait, and the electric water heater does not need to fully heat the water in the liner body, thereby being beneficial to improving the energy utilization rate of the electric water heater. When the water in the main water pipe is heated by the instant heating module and does not reach the preset temperature of a user, the instant heating module and the inner container heating module can work cooperatively, the instant heating module heats the water in the main water pipe, the inner container heating module heats the water in the inner container body, the water mixing module adjusts the proportion of the water heated by the instant heating module and the water heated by the inner container heating module, so that the hot water with the temperature required by the user is obtained, and the instant heating module, the inner container heating module and the water mixing module are adjusted and controlled by the control device, so that the reasonable collocation of heat storage and instant heating of the electric water heater is realized, the electric water heater can reduce the power consumption of the inner container heating module by reducing the hot water flow of the inner container assembly, and the energy utilization rate of the electric water heater is improved; moreover, the electric water heater with two operation modes can ensure the temperature of the supplied hot water and the stable hot water output, and is beneficial to shortening the heating time of the electric water heater.

Drawings

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

Fig. 1 is a schematic structural diagram of a first embodiment of an electric water heater according to the present utility model;

fig. 2 is a schematic structural diagram of a second embodiment of the electric water heater according to the present utility model;

fig. 3 is a schematic structural diagram of a third embodiment of the electric water heater according to the present utility model;

fig. 4 is a schematic structural diagram of a fourth embodiment of the electric water heater according to the present utility model;

fig. 5 is a schematic structural diagram of a fifth embodiment of the electric water heater according to the present utility model;

fig. 6 is a schematic structural diagram of a sixth embodiment of an electric water heater according to the present utility model;

fig. 7 is a schematic structural diagram of a seventh embodiment of an electric water heater according to the present utility model;

fig. 8 is a schematic structural diagram of an eighth embodiment of an electric water heater according to the present utility model;

fig. 9 is a schematic diagram of water flow direction in the electric water heater of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Outer casing	322	First water outlet pipe
200	Liner assembly	323	Pipeline joint
				210	Liner body	330	Water pipe connecting piece
220	Liner heating module	400	Water mixing module
				230	Inner container water inlet pipe	500	Instant heating module
240	Water outlet pipe of liner	110	External temperature sensor
				300	Water pipe	120	External flow sensor
310	First water pipe section	130	Water inlet temperature sensor
				311	Instant heating water inlet pipe	140	Water storage flow sensor
312	Instant heating water outlet pipe	150	Water outlet temperature sensor
				320	Second water pipe section	160	Inner container temperature sensor
321	First water inlet pipe

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the 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, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an electric water heater which can shorten the heating time of hot water and improve the energy utilization rate of the electric water heater.

Referring to fig. 1, in an embodiment of the electric water heater of the present utility model, the electric water heater includes a housing 100, a liner assembly 200, a main water pipe 300, a water mixing module 400, an instant heating module 500, and a control device, wherein the liner assembly 200 includes a liner body 210, a liner heating module 220 disposed on the liner body 210, a liner water inlet pipe 230, and a liner water outlet pipe 240, and the liner body 210 is disposed in the housing 100; the main water pipe 300 is arranged outside the liner body 210, and the water inlet of the liner water inlet pipe 230 is communicated with the main water pipe 300; the water mixing module 400 is arranged on the water main 300 and is positioned at the downstream of the water inlet of the inner container water inlet pipe 230, the cold water inlet of the water mixing module 400 is communicated with the water main 300, the hot water inlet of the water mixing module 400 is communicated with the water outlet of the inner container water outlet pipe 240, the water outlet of the water mixing module 400 is communicated with the water main 300, and the water mixing module 400 is used for adjusting the proportion of cold water and hot water flowing through the water mixing module 400; the instant heating module 500 is arranged on the water main 300 outside the shell 100 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230, and the instant heating module 500 is used for heating the water flowing through the water main 300; the liner heating module 220, the water mixing module 400, and the instant heating module 500 are respectively electrically connected with the control device.

It will be appreciated that the total water pipe 300 has a total water inlet and a total water outlet, at least a part of the total water pipe 300 is disposed outside the housing 100, and the total water inlet is disposed outside the housing 100, of course, a part of the total water pipe 300 may be disposed inside the housing 100, the total water inlet is used for supplying water to be input into the electric water heater, the total water outlet is used for discharging water to the outside of the electric water heater, that is, water is input into the electric water heater through the total water inlet, water is discharged to the outside through the total water outlet, the total water pipe 300 is a total water path of the electric water heater, and the direction indicated by the arrow in fig. 1 indicates the direction of water flow.

Further, the water inlet of the liner water inlet pipe 230 is communicated with the main water pipe 300, and the water outlet of the liner water inlet pipe 230 is arranged in the liner body 210, so that water can flow into the liner body 210 along the liner water inlet pipe 230; the water inlet of the liner water outlet pipe 240 is arranged in the liner body 210; the water outlet of the liner water outlet pipe 240 is communicated with the hot water inlet of the water mixing module 400, so that water in the liner body 210 can flow into the total water pipe 300 along the liner water outlet pipe 240 and be discharged outwards through the total water outlet of the total water pipe 300; the liner heating module 220 can heat the water in the liner body 210 to output hot water, and the specific structure of the liner heating module 220 is not limited, and only the water in the liner body 210 needs to be heated, for example, but not limited to, the liner heating module 220 includes a heating pipe or a heating wire, etc.

Further, the instant heating module 500 is disposed on the main water pipe 300 outside the housing 100 and is disposed near the main water inlet, so that the instant heating module 500 is an independent module outside the housing 100, thereby facilitating assembly and disassembly of the instant heating module 500. The instant heating module 500 can heat the water flowing through the water inlet pipe 300, and the instant heating module 500 is arranged at the upstream of the water inlet pipe 230 of the inner container, that is, the water in the water inlet pipe 300 can flow to the water inlet of the water inlet pipe 230 of the inner container along the water inlet pipe 300 after being heated by the instant heating module 500, wherein the water heated by the instant heating module 500 can flow into the inner container body 210 through the water inlet of the water inlet pipe 230 of the inner container and the water inlet pipe 230 of the inner container in sequence and then flow into the water inlet pipe 300 of the inner container and be discharged outwards; of course, the water heated by the instant heating module 500 may also flow along the water main 300, which is not limited herein.

Further, the water mixing module 400 is configured to adjust the ratio of cold water and hot water flowing through the water mixing module 400, wherein the cold water flowing through the water mixing module 400 is water flowing into the cold water inlet of the water mixing module 400 along the water main 300, the hot water flowing through the water mixing module 400 is water flowing into the hot water inlet of the water mixing module 400 along the water outlet of the liner water outlet pipe 240, that is, the water mixing module 400 can adjust the ratio of water flowing through the instant heating module 500 on the water main 300 to water flowing in the liner body 210, so that the mixed water can reach the preset temperature of a user, thereby meeting the use requirement of the user, wherein the specific ratio of the cold water and the hot water flowing through the water mixing module 400 is not limited, and the temperature of the water discharged from the water outlet of the water mixing module 400 can meet the requirement of the user.

Further, the control device is configured to control the operations of the liner heating module 220, i.e. the thermal module 500, and the water mixing module 400, and the control device includes a controller, which may be one or more, or may be more than one, for example, but not limited to, one controller, where the controller can control the liner heating module 220, i.e. the thermal module 500, and the water mixing module 400 respectively; of course, the number of the controllers may be two or three, and may be specifically set according to needs, for example, the heating module 500 is controlled by a first controller, the liner heating module 220 and the water mixing module 400 are controlled by a second controller, and the first controller and the second controller are electrically connected.

The electric water heater of the present utility model comprises a housing 100, a liner assembly 200, a main water pipe 300, a water mixing module 400, an instant heating module 500 and a control device, wherein the liner assembly 200 comprises a liner body 210, a liner heating module 220, a liner water inlet pipe 230 and a liner water outlet pipe 240, the water mixing module 400 is used for adjusting the proportion of cold water and hot water flowing through the water mixing module 400, the instant heating module 500 is arranged on the main water pipe 300 outside the housing 100 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230, the instant heating module 500 is used for heating water flowing through the main water pipe 300, and thus the instant heating module 500 is arranged externally, so that the instant heating module 500 is convenient to assemble and disassemble, and the liner heating module 220 and the instant heating module 500 can be matched for use. When the water in the water main 300 can reach the preset temperature of the user after being heated by the instant heating module 500, the electric water heater can supply hot water in a way of independently heating the water inlet of the instant heating module 500 outside the liner, and at the moment, the water supply waterway only passes through the water main 300 and does not pass through the liner heating module 220, so that the instant heating of the electric water heater can be realized, the user does not need to wait, and the electric water heater does not need to fully heat the water in the liner body 210, thereby being beneficial to improving the energy utilization rate of the electric water heater. When the water in the water main 300 is heated by the instant heating module 500 and does not reach the preset temperature of a user, the instant heating module 500 and the liner heating module 220 can work cooperatively, the instant heating module 500 heats the water inlet of the water main 300, the liner heating module 220 heats the water in the liner body 210, the water mixing module 400 adjusts the proportion of the water heated by the instant heating module 500 and the water heated by the liner heating module 220 so as to obtain hot water with the temperature required by the user, and the instant heating module 500, the liner heating module 220 and the water mixing module 400 are adjusted and controlled by the control device, so that the reasonable collocation of heat storage and instant heating of the electric water heater is realized, the electric water heater can reduce the power consumption of the liner heating module 220 by reducing the hot water flow of the liner assembly 200, and the energy utilization rate of the electric water heater is improved; moreover, the electric water heater with two operation modes can ensure the temperature of the supplied hot water and the stable hot water output, and is beneficial to shortening the heating time of the electric water heater.

Referring to fig. 1 and 2, in one embodiment, the water main 300 includes a first water pipe section 310 and a second water pipe section 320 that are in communication with each other, the first water pipe section 310 is disposed upstream of the second water pipe section 320, at least a portion of the first water pipe section 310 is located outside the housing 100, and the instant heating module 500 is disposed on the first water pipe section 310 outside the housing 100.

It should be understood that the first water pipe section 310 may be disposed entirely outside the housing 100, and of course, the first water pipe section 310 may also be partially disposed inside the housing 100, and only the instant heating module 500 may be disposed on the first water pipe section 310 outside the housing 100, and in this embodiment, the first water pipe section 310 is disposed entirely outside the housing 100. The first water pipe section 310 is arranged at the upstream of the second water pipe section 320, that is, the thermal module 500 is arranged on the first water pipe section 310 outside the shell 100, so that water entering the electric water heater can flow into the second water pipe section 320 after being heated by the instant heating module 500 on the first water pipe section 310, the water mixing module 400 is arranged on the second water pipe section 320, the water mixing module 400 is arranged in such a way that the water main 300 is divided into at least two ends, the instant heating module 500 is conveniently arranged on the first water pipe section 310, and the water mixing module 400 is assembled after being arranged on the second water pipe section 320, so that the sectional installation is beneficial to improving the installation convenience of the electric water heater. And, the instant heating module 500 is mounted on the first water pipe section 310 outside the housing 100 such that the instant heating module 500 is an independent module outside the housing 100, thus facilitating the disassembly and maintenance of the instant heating module 500. In addition, when the electric water heater does not need to use the instant heating module 500, the instant heating module 500 is also convenient to be disassembled, and the instant heating module 500 and the housing 100 do not interfere with each other.

In one embodiment, the water main 300 further includes a water pipe connector 330, and the first water pipe section 310 and the second water pipe section 320 are detachably connected through the water pipe connector 330. It is understood that the water pipe connection 330 may be disposed inside the housing 100, or may be disposed outside the housing 100, or may be disposed through the housing 100, which is not limited herein. The first water pipe section 310 and the second water pipe section 320 are communicated through the water pipe connector 330, that is, the first water pipe section 310, the water pipe connector 330 and the second water pipe section 320 are sequentially communicated, the specific structure of the water pipe connector 330 is not limited, and only the first water pipe section 310 and the second water pipe section 320 need to be communicated. The first water pipe section 310 and the water pipe connector 330 can be connected in an inserting way, and can be connected in a threaded way; the second water pipe section 320 and the water pipe connection 330 may be connected by insertion, or may be connected by threads, which is not limited herein. The first water pipe section 310 and the second water pipe section 320 are detachably connected through the water pipe connection 330, so that the assembly and the disassembly of the total water pipe 300 are facilitated, and meanwhile, the sectional disassembly and assembly of the instant heating module 500 and the water mixing module 400 are facilitated, so that the practicability of the electric water heater is improved.

In one embodiment, the water connection 330 is disposed outside the housing 100. So configured, the assembly communication of the first and second water pipe sections 310 and 320 is facilitated, as well as the disassembly of the water pipe connection 330. In addition, the instant heating module 500, the first water pipe section 310 and the water pipe connection piece 330 are all arranged outside the shell 100, and can be combined outside the shell 100 to form an independent module, so that the disassembly, assembly and maintenance of the three are facilitated.

Referring to fig. 1 and 2, in an embodiment, the second water pipe section 320 includes a first water inlet pipe 321, a first water outlet pipe 322, and a pipe joint 323, the pipe joint 323 has a first interface, a second interface, and a third interface that are mutually communicated, the first interface is communicated with the first water inlet pipe 321, the second interface is communicated with a water inlet of the liner water inlet pipe 230, the third interface is communicated with the first water outlet pipe 322, and the water mixing module 400 is disposed on the first water outlet pipe 322.

It can be appreciated that the pipe joint 323 is provided, so that the water inlet of the liner water inlet pipe 230 is communicated with the second water pipe section 320, which is beneficial to improving the assembly and disassembly efficiency of the electric water heater. In addition, the second water pipe section 320 includes a first water inlet pipe 321 and a first water outlet pipe 322, and the water mixing module 400 is disposed on the first water outlet pipe 322, that is, the second water pipe section 320 is at least divided into two sections, so that the water mixing module 400 is conveniently communicated with the second water pipe section 320, and assembly and disassembly of the water mixing module 400 are facilitated, that is, assembly and disassembly efficiency of the electric water heater is improved.

Referring to fig. 2 and 3, the electric water heater further includes an external temperature sensor 110, and the external temperature sensor 110 is disposed on the first water pipe section 310 outside the housing 100. It can be appreciated that the external temperature sensor 110 is electrically connected to the control device, and the external temperature sensor 110 can detect the water inlet temperature on the first water pipe section 310 and/or the water temperature heated by the instant heating module 500, so that the instant heating module 500, the liner heating module 220 and the water mixing module 400 can be controlled by the auxiliary control device, so that the temperature of the hot water output by the electric water heater can quickly reach the preset temperature of the user, and the temperature of the output hot water is more stable.

For example, the external temperature sensor 110 is configured to detect the water outlet temperature of the instant heating module 500 on the first water pipe section 310 after heating, and the control device can control whether the instant heating module 500 works according to the water outlet temperature preset by the user, when the temperature of the instant heating water outlet heated by the instant heating module 500 reaches the water outlet temperature preset by the user, the control device can control the instant heating module 500, the inner container heating module 220 and the water mixing module 400, so that the water flowing into the electric water heater only flows along the total water pipe 300, the inner container heating module 220 stops working, and hot water is supplied outside the inner container of the inner container body 210, so that the power consumption of the water in the inner container body 210 heated by the inner container heating module 220 can be reduced, and meanwhile, the instant heating function of the electric water heater is realized, so that the user can use the electric water heater at any time without waiting.

For another example, when the temperature of the instant heating water outlet heated by the instant heating module 500 does not reach the preset water outlet temperature of the user, the control device can control the instant heating module 500, the liner heating module 220 and the water mixing module 400 to work cooperatively, for example, the instant heating module 500 heats water in the first water pipe section 310, the liner heating module 220 heats water in the liner body 210, and the water mixing module 400 controls and adjusts the water supply ratio of the cold water inlet of the water mixing module 400 to the hot water inlet of the water mixing module 400 so that the temperature of water flowing out from the water outlet of the water mixing module 400 reaches the preset temperature of the user, thereby being beneficial to reducing the heating time of the heating water of the electric water heater and improving the energy utilization rate of the electric water heater.

In an embodiment, the instant heating module 500 is disposed on the first water pipe section 310 and divides the first water pipe section 310 into an instant heating water inlet pipe 311 and an instant heating water outlet pipe 312, and the instant heating water inlet pipe 311, the instant heating module 500, the instant heating water outlet pipe 312 and the second water pipe section 320 are sequentially communicated; the external temperature sensor 110 is disposed on the instant heating water inlet pipe 311 (as shown in fig. 5, 7 and 8); and/or the external temperature sensor 110 is disposed on the instant heating outlet pipe 312 (as shown in fig. 2 and 3).

It is understood that the external temperature sensor 110 is disposed on the instant heating water inlet pipe 311, and at this time, the external temperature sensor 110 is used for detecting the water inlet temperature of the instant heating water inlet pipe 311 of the electric water heater. Of course, the external temperature sensor 110 may also be disposed on the instant heating water outlet pipe 312, where the external temperature sensor 110 is configured to detect water after passing through the instant heating module 500, and if the instant heating module 500 works and heats water passing through it, the external temperature sensor 110 detects water temperature after heating the instant heating module 500; if the instant heating module 500 does not heat the water passing therethrough, the external temperature sensor 110 detects the water inlet temperature of the total water pipe 300 of the electric water heater. By arranging the external temperature sensor 110, the auxiliary control device is beneficial to controlling the electric water heater, so that the temperature of hot water output by the electric water heater can quickly reach the preset temperature of a user, and the temperature of the output hot water is more stable.

Referring to fig. 3, 5 and 7, the electric water heater further includes an external flow sensor 120, and the external flow sensor 120 is disposed on the first water pipe section 310 outside the housing 100. It can be appreciated that the external flow sensor 120 is electrically connected to the control device, and the external flow sensor 120 can detect the inflow of water on the first water pipe section 310 and/or the outflow of water heated by the instant heating module 500, so that the inflow of the electric water heater can be timely detected, and the phenomenon of dry burning damage caused by continuous operation of the instant heating module 500 and/or the liner heating module 220 when the inflow is insufficient is prevented, thereby being beneficial to improving the reliability of the electric water heater. In addition, the instant heating module 500 can adjust the working power through the water inflow rate on the first water pipe section 310, and the external flow sensor 120 and the external temperature sensor 110 are matched for use, so that the water temperature heated by the instant heating module 500 is consistent with the temperature preset by the user, which is beneficial to improving the energy utilization rate of the electric water heater and shortening the heating time of the electric water heater.

In an embodiment, the instant heating module 500 is disposed on the first water pipe section 310 and divides the first water pipe section 310 into an instant heating water inlet pipe 311 and an instant heating water outlet pipe 312, and the instant heating water inlet pipe 311, the instant heating module 500, the instant heating water outlet pipe 312 and the second water pipe section 320 are sequentially communicated; the external flow sensor 120 is disposed on the instant heating water inlet pipe 311 (as shown in fig. 5 and 7); and/or the external flow sensor 120 is disposed on the instant heating outlet pipe 312 (as described in fig. 2 and 3).

It is understood that the external flow sensor 120 is disposed on the instant heating water inlet pipe 311, and at this time, the external flow sensor 120 is used for detecting the water inlet flow of the total water pipe 300 of the electric water heater. The external flow sensor 120 is arranged on the instant heating water outlet pipe 312, at this time, the external flow sensor 120 is used for detecting the water outlet flow after passing through the instant heating module 500, so that whether the working state of the instant heating module 500 is normal can be detected, the problem that the instant heating module 500 is damaged due to dry heating caused by too low water inlet flow when the instant heating module 500 works is avoided, and the reliability of the electric water heater is improved.

Referring to fig. 2 to 8, the electric water heater further includes a water inlet temperature sensor 130, and the water inlet temperature sensor 130 is disposed on the second water pipe section 320 and located upstream of the water inlet of the liner water inlet pipe 230.

It can be appreciated that the water inlet temperature sensor 130 is electrically connected to the control device, and the water inlet temperature sensor 130 can detect the water temperature at the upstream of the water inlet of the liner water inlet pipe 230 on the second water pipe section 320, so that the water inlet temperature sensor 130 can assist the control device to control the liner heating module 220, the instant heating module 500 and the water mixing module 400, so that the hot water temperature output by the electric water heater can quickly reach the preset temperature of the user, and the output hot water temperature is more stable.

In one embodiment, the electric water heater further comprises a water storage flow sensor 140; the water storage flow sensor 140 is disposed on the second water pipe section 320 and is located upstream of the water inlet of the liner water inlet pipe 230 (as shown in fig. 2, 6, 7 and 8); and/or the water storage flow sensor 140 is disposed on the second water pipe section 320 and downstream of the water outlet of the water mixing module 400 (as shown in fig. 3, 4 and 5).

It can be appreciated that the water storage flow sensor 140 is disposed on the second water pipe section 320 and is located at the upstream of the water inlet of the liner water inlet pipe 230, which is favorable for enhancing accuracy of the electric water heater in acquiring water flow information thereof, wherein the water inlet flow of the water inlet end on the second water pipe section 320 acquired by the water storage flow sensor 140 is equivalent to the water outlet flow of the instant heating water outlet of the instant heating module 500, and the control device can detect whether the working state of the instant heating module 500 is normal or not according to the acquired water flow information of the second water pipe section 320, so as to avoid the problem of dry burning damage of the instant heating module 500 caused by too low water inlet flow when the instant heating module 500 works, thereby improving reliability of the electric water heater.

In an embodiment, the water storage flow sensor 140 is disposed on the second water pipe section 320 and is located downstream of the water outlet of the water mixing module 400, so that the water storage flow sensor 140 can detect the water outlet flow of the water mixing module 400 on the second water pipe section 320, that is, the water outlet flow discharged by the electric water heater, so as to ensure the water outlet amount discharged by the electric water heater.

Referring to fig. 2 to 8, the electric water heater further includes a water outlet temperature sensor 150, and the water outlet temperature sensor 150 is disposed on the water main 300 and downstream of the water outlet of the water mixing module 400.

It can be appreciated that the water outlet temperature sensor 150 is electrically connected to the control device, and the water outlet temperature sensor 150 can detect the water temperature at the downstream of the water outlet of the water mixing module 400 on the water main 300, that is, detect the water temperature discharged by the electric water heater, so as to ensure that the discharged water temperature reaches the preset temperature of the user. If the water temperature of the electric water heater discharged by the water outlet temperature sensor 150 exceeds the preset range of the preset temperature of the user, the water temperature of the electric water heater discharged by the electric water heater is indicated to be less than the preset range of the preset temperature of the user, and at the moment, the control device can control the electric water heater, and the control device adjusts the inner container heating module 220, namely the heating module 500 and the water mixing module 400, so that the temperature of the hot water outputted by the electric water heater can be ensured to reach the preset temperature quickly, the water outlet temperature sensor 150 has the function of assisting the control device to control the electric water heater, the stability of the temperature of the outputted hot water is ensured, and the reliability of the electric water heater is improved. The preset temperature of the user may be expressed as T degrees celsius, and the preset range of the preset temperature of the user may be expressed as t±5 ℃, or t±2 ℃, or the like, that is, the preset range of the preset temperature of the user is a range value of the preset temperature, so as to eliminate the influence caused by the equipment error of the electric water heater and/or the water outlet temperature sensor 150.

Referring to fig. 2 to 8, the electric water heater further includes a liner temperature sensor 160, where the liner temperature sensor 160 is disposed on the liner body 210 and is used for detecting the outlet water temperature of the liner outlet pipe 240 and/or the temperature of the water in the liner body 210.

It can be appreciated that the liner temperature sensor 160 is electrically connected to the control device, where the liner temperature sensor 160 can detect the water outlet temperature of the liner outlet pipe 240 and/or the temperature of the water in the liner body 210, so as to assist the control device to control the liner heating module 220, the instant heating module 500 and the water mixing module 400, so that the temperature of the hot water output by the electric water heater can quickly reach the preset temperature, and the temperature of the output hot water is more stable.

In an embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240. It can be appreciated that the water in the liner body 210 flows in from the water inlet of the liner outlet pipe 240, flows along the liner outlet pipe 240 and flows into the water mixing module 400 from the water outlet of the liner outlet pipe 240, passes through the water mixing module 400 and is discharged along the water main 300. Through setting up the water inlet that the inner bag temperature sensor 160 is close to inner bag outlet pipe 240, just also be equivalent to detecting the temperature of the temperature in the inner bag body 210 and the temperature of the hot water inlet of water mixing module 400, and then the control device control water mixing module 400 of being convenient for adjusts the proportion through water mixing module 400's cold water and hot water to make the hydroenergy of following water mixing module 400's delivery port rapid reach preset temperature, and be favorable to electric water heater output hot water temperature's stability.

In one embodiment, the pipe connector 323 is a three-way connector. It can be appreciated that by providing the three-way joint, the water inlet of the liner water inlet pipe 230 is conveniently communicated with the second water pipe section 320 of the total water pipe 300, which is beneficial to improving the sectional assembly and disassembly efficiency of the electric water heater.

In one embodiment, the water mixing module 400 is a thermostatic water mixing valve. The constant temperature water mixing valve is electrically connected with the control device, the control device can control the valve opening of the constant temperature water mixing valve, wherein the valve opening of the constant temperature water mixing valve refers to the water inflow of water on the total water pipe 300 entering the cold water inlet of the water mixing module 400 and the water inflow of water in the liner body 210 entering the hot water inlet of the water mixing module 400, and the control device can adjust the proportion of cold water and hot water flowing through the water mixing module 400 by adjusting the valve opening of the constant temperature water mixing valve, so that the water discharged from the water outlet of the water mixing module 400 can reach the preset temperature quickly.

In an embodiment, the instant heating module 500 includes an instant heating chamber having an instant water inlet and an instant water outlet communicating with the water main 300, and an instant heating member provided in the instant heating chamber for heating water in the instant heating chamber; the instant heating element comprises a heating pipe; or, the instant heating part comprises a heating element and a silicon controlled rectifier component, and the heating element is electrically connected with the control device through the silicon controlled rectifier component.

It will be appreciated that the instant heating water inlet communicates with the overall water inlet of the overall water pipe 300, and the instant heating water outlet communicates with the water inlet of the liner water inlet pipe 230 through the overall water pipe 300, so that water entering the overall water pipe 300 flows on the overall water pipe 300 toward the water inlet of the liner water inlet pipe 230 after being heated by the instant heating module 500.

Further, the number of the heating pipes can be one or more, and the plurality of heating pipes can work independently, and of course, the plurality of heating pipes can also work in parallel. In addition, when the instant heating element includes the thyristor assembly, the stepless adjustment of the power of the instant heating module 500 can be realized, and the purpose is that when the instant heating module 500 operates at the maximum power, if the water temperature heated by the instant heating module 500 is greater than or equal to the temperature preset by the user, the working power of the instant heating module 500 can be adjusted at this time, so that the water entering the electric water heater flows along the water main 300 only, that is, the water supply waterway of the electric water heater only passes through the water main 300 and does not pass through the liner heating module 220, thus the instant heating of the electric water heater can be realized, the user does not need to wait, and the electric water heater does not need to fully heat the water in the liner body 210, thereby being beneficial to improving the energy utilization rate of the electric water heater.

Of course, the working power of the instant heating module 500 may also be a fixed value, that is, the instant heating module 500 only has two working modes of no working and maximum load working, so that the hardware cost generated by the power conversion of the instant heating module 500 is reduced, and the above two embodiments may be set according to specific needs, which is not limited herein.

Referring to fig. 2, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the external temperature sensor 110 is arranged on the instant heating water outlet pipe 312; the external flow sensor 120 is arranged on the instant heating water outlet pipe 312; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; wherein, the external temperature sensor 110 and the external flow sensor 120 are positioned on the instant heating water outlet pipe 312 in no sequence; the positions of the water inlet temperature sensor 130 and the water storage flow sensor 140 on the first water inlet pipe 321 of the second water pipe section 320 are not sequential.

Referring to fig. 3, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the external temperature sensor 110 is arranged on the instant heating water outlet pipe 312; the external flow sensor 120 is arranged on the instant heating water outlet pipe 312; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the downstream of the water outlet of the water mixing module 400; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; wherein, the external temperature sensor 110 and the external flow sensor 120 are positioned on the instant heating water outlet pipe 312 in no sequence; the water storage flow sensor 140 and the outlet water temperature sensor 150 are positioned on the first outlet pipe 322 of the second water pipe section 320 in no sequence.

Referring to fig. 4, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the downstream of the water outlet of the water mixing module 400; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; the positions of the water storage flow sensor 140 and the water outlet temperature sensor 150 on the first water outlet pipe 322 of the second water pipe section 320 are not sequential.

Referring to fig. 5, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the external temperature sensor 110 is arranged on the instant heating water inlet pipe 311; the external flow sensor 120 is arranged on the instant heating water inlet pipe 311; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the downstream of the water outlet of the water mixing module 400; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; wherein, the external temperature sensor 110 and the external flow sensor 120 have no sequence at the position on the instant heating water inlet pipe 311; the water storage flow sensor 140 and the outlet water temperature sensor 150 are positioned on the first outlet pipe 322 of the second water pipe section 320 in no sequence.

Referring to fig. 6, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; the positions of the water inlet temperature sensor 130 and the water storage flow sensor 140 on the first water inlet pipe 321 of the second water pipe section 320 are not sequential.

Referring to fig. 7, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the external temperature sensor 110 is arranged on the instant heating water inlet pipe 311; the external flow sensor 120 is arranged on the instant heating water inlet pipe 311; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; wherein, the external temperature sensor 110 and the external flow sensor 120 have no sequence at the position on the instant heating water inlet pipe 311; the positions of the water inlet temperature sensor 130 and the water storage flow sensor 140 on the first water inlet pipe 321 of the second water pipe section 320 are not sequential.

Referring to fig. 8, in the present embodiment, the liner temperature sensor 160 is disposed on the liner body 210 and near the water inlet of the liner outlet pipe 240; the external temperature sensor 110 is arranged on the instant heating water inlet pipe 311; the water inlet temperature sensor 130 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water storage flow sensor 140 is arranged on the second water pipe section 320 and is positioned at the upstream of the water inlet of the liner water inlet pipe 230; the water outlet temperature sensor 150 is arranged on the water main 300 and is positioned at the downstream of the water outlet of the water mixing module 400; the positions of the water inlet temperature sensor 130 and the water storage flow sensor 140 on the first water inlet pipe 321 of the second water pipe section 320 are not sequential.

Fig. 9 is a schematic diagram of a water flow direction in the electric water heater according to the present utility model, in the embodiments of fig. 2 to 9, the direction indicated by the arrow indicates the water flow direction in the electric water heater, wherein the external temperature sensor 110, the external flow sensor 120, the water inlet temperature sensor 130, the water storage flow sensor 140, the water outlet temperature sensor 150, and the liner temperature sensor 160 are all electrically connected with a control device, and the control device controls the instant heating module 500, the liner heating module 220, and the water mixing module 400 through feedback signals of the sensors so that the water outlet temperature of the electric water heater reaches a preset temperature of a user.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An electric water heater, comprising:

a housing;

2. The electric water heater of claim 1, wherein the water header includes a first water pipe section and a second water pipe section in communication with each other, the first water pipe section being disposed upstream of the second water pipe section, at least a portion of the first water pipe section being located outside of the housing, the instant module being disposed on the first water pipe section outside of the housing.

3. The electric water heater of claim 2, wherein the water header further includes a water pipe connection, the first water pipe section and the second water pipe section being detachably connected by the water pipe connection.

4. The electric water heater of claim 3, wherein said water connection is disposed outside said housing.

5. The electric water heater of claim 2, wherein the second water pipe section includes a first water inlet pipe, a first water outlet pipe, and a pipe joint having a first interface, a second interface, and a third interface in communication with each other, the first interface being in communication with the first water inlet pipe, the second interface being in communication with the water inlet of the liner water inlet pipe, the third interface being in communication with the first water outlet pipe, the water mixing module being disposed on the first water outlet pipe.

6. The electric water heater of claim 2, further comprising an external temperature sensor disposed on the first water pipe section outside the housing.

7. The electric water heater of claim 6, wherein the instant heating module is disposed on the first water pipe section and divides the first water pipe section into an instant heating water inlet pipe and an instant heating water outlet pipe, and wherein the instant heating water inlet pipe, the instant heating module, the instant heating water outlet pipe and the second water pipe section are sequentially communicated; the external temperature sensor is arranged on the instant heating water inlet pipe; and/or the number of the groups of groups,

8. The electric water heater of claim 2, further comprising an external flow sensor disposed on the first water pipe section outside of the housing.

9. The electric water heater of claim 8, wherein the instant heating module is disposed on the first water pipe section and divides the first water pipe section into an instant heating water inlet pipe and an instant heating water outlet pipe, and wherein the instant heating water inlet pipe, the instant heating module, the instant heating water outlet pipe and the second water pipe section are sequentially communicated; the external flow sensor is arranged on the instant heating water inlet pipe; and/or the number of the groups of groups,

the external flow sensor is arranged on the instant heating water outlet pipe.

10. The electric water heater of claim 2, further comprising a water inlet temperature sensor disposed on the second water pipe section upstream of the water inlet of the liner water inlet tube.

11. The electric water heater of claim 2, further comprising a water storage flow sensor; the water storage flow sensor is arranged on the second water pipe section and is positioned at the upstream of the water inlet pipe of the inner container; and/or the number of the groups of groups,

12. The electric water heater of claim 1, further comprising a water outlet temperature sensor disposed on the water main and downstream of the water outlet of the water mixing module.

13. The electric water heater as claimed in claim 1, further comprising a liner temperature sensor provided on the liner body for detecting a water outlet temperature of the liner outlet pipe and/or a temperature of water in the liner body.