CN211575519U - Electric water heater with hot water circulation function - Google Patents

Electric water heater with hot water circulation function Download PDF

Info

Publication number
CN211575519U
CN211575519U CN201921946880.6U CN201921946880U CN211575519U CN 211575519 U CN211575519 U CN 211575519U CN 201921946880 U CN201921946880 U CN 201921946880U CN 211575519 U CN211575519 U CN 211575519U
Authority
CN
China
Prior art keywords
water
inner container
electric
inlet pipe
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921946880.6U
Other languages
Chinese (zh)
Inventor
梁添杰
杨世恩
邓飞忠
仇明贵
潘叶江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vatti Co Ltd
Original Assignee
Vatti Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vatti Co Ltd filed Critical Vatti Co Ltd
Priority to CN201921946880.6U priority Critical patent/CN211575519U/en
Application granted granted Critical
Publication of CN211575519U publication Critical patent/CN211575519U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a take electric water heater of hot water circulation function, include: the inner container is used for storing water; the electric heating pipe is arranged in the inner container and used for heating water in the inner container; the water outlet pipe is used for communicating the water outlet of the inner container with a water consumption point; the water inlet pipe is connected with the water inlet of the inner container; the water return pipe is used for communicating the water using point with the water inlet pipe; the water pump is arranged on the water return pipe; the flow sensor is arranged on the water inlet pipe and used for detecting the water on-off state of the water inlet pipe; the electric control assembly is respectively and electrically connected with the electric heating tube, the water pump and the flow sensor, and can improve the bathing comfort of a user.

Description

Electric water heater with hot water circulation function
Technical Field
The utility model relates to an electric water heater technical field especially relates to an electric water heater of taking hot water circulation function.
Background
In the related art, the installation adaptability of the electric water heater is higher, and particularly in the third, fourth and fifth-level market, the installation and use amount of the electric water heater is far higher than that of a gas water heater. However, when the existing electric water heater is used, a section of cold water is required to be put into a user before hot water is used each time, and particularly in winter with low temperature, tap water is wasted, time is delayed, and bathing experience is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, an object of the utility model is to provide an electric water heater of taking hot water circulation function, it can promote user's bathing travelling comfort.
The above purpose is realized by the following technical scheme:
an electric water heater with hot water circulation function, comprising:
the inner container is used for storing water;
the electric heating pipe is arranged in the inner container and used for heating water in the inner container;
and the water outlet pipe is used for communicating the water outlet of the inner container with a water consumption point.
The water inlet pipe is connected with the water inlet of the inner container;
the water return pipe is used for communicating the water using point with the water inlet pipe;
the water pump is arranged on the water return pipe;
the flow sensor is arranged on the water inlet pipe and used for detecting the water on-off state of the water inlet pipe;
and the electric control assembly is respectively and electrically connected with the electric heating pipe, the water pump and the flow sensor.
In some embodiments, the water temperature sensor further comprises a first temperature sensor arranged in the inner container and used for detecting the water temperature in the inner container, and the first temperature sensor is electrically connected with the electronic control component.
In some embodiments, the water circulating system further comprises a second temperature sensor arranged on the water return pipe and used for detecting the temperature of water in the water return pipe, and the second temperature sensor is electrically connected with the electronic control component.
In some embodiments, the water-saving device further comprises a one-way valve which is arranged on the water return pipe and is configured to be communicated in a one-way mode from the water using point to the water inlet pipe.
In some embodiments, the water inlet pipe is connected with the water return pipe through a tee joint, and the flow sensor is arranged between the tee joint and the water inlet end of the water inlet pipe.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
1. the utility model discloses an electric water heater, its simple structure is reasonable, installation convenient to use, does benefit to and promotes user's bathing travelling comfort.
Drawings
Fig. 1 is a schematic structural diagram of an electric water heater in an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between an electric water heater and a water consumption point in the embodiment of the present invention;
fig. 3 is a schematic flow chart of a control method according to an embodiment of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
The first embodiment is as follows: as shown in fig. 1, 2 and 3, the present embodiment provides an electric water heater with a hot water circulation function, including:
the inner container 1 is used for storing water;
the electric heating tube 2 is arranged in the inner container 1 and used for heating water in the inner container 1;
and the water outlet pipe 3 is used for communicating the water outlet of the liner 1 with the water consumption points 4, preferably, the water consumption points 4 comprise a plurality of water consumption points, and the water outlet pipe 3 is used for sequentially communicating the water outlet of the liner 1 with the water consumption points 4.
The water inlet pipe 5 is connected with the water inlet of the inner container 1 and is used for introducing external tap water into the inner container 1;
the water return pipe 6 is used for communicating the water consumption point 4 with the water inlet pipe 5 and is used for introducing cold water in the water consumption point 4 into the inner container 1 for reheating;
a water pump 7 provided on the return pipe 6 for starting operation of hot water circulation;
the flow sensor 8 is arranged on the water inlet pipe 5 and used for detecting the water supply and drainage state of the water inlet pipe 5, specifically, when the flow sensor 8 detects a water flow signal, the water inlet pipe 5 is judged to be in the water supply state, and when the flow sensor 8 does not detect the water flow signal, the water inlet pipe 5 is judged to be in the water drainage state;
the electric control assembly 13 is respectively electrically connected with the electric heating tube 2, the water pump 7 and the flow sensor 8, and the electric control assembly 13 is used for controlling the electric heating tube 2 and/or the water pump 7 to work according to detection signals fed back by the flow sensor 8 and other detection components so as to realize hot water circulation.
The electric water heater of the embodiment has simple and reasonable structure and convenient installation and use, and is beneficial to improving the bathing comfort of users.
In this embodiment, the water heater further comprises a first temperature sensor 9, which is arranged in the inner container 1 and is used for detecting the water temperature in the inner container 1, wherein the first temperature sensor 9 is electrically connected with the electronic control component 13;
if the water temperature in the inner container 1 is lower than a third preset temperature T3, the electric heating tube 2 is started;
if the water temperature in the inner container 1 is higher than the third preset temperature T3, the electric heating tube 2 is turned off, so that the water temperature in the inner container 1 is kept stable, and the use experience of a user is improved.
Preferably, the water circulation system further comprises a second temperature sensor 10, which is arranged on the water return pipe 6 and is used for detecting the temperature of water in the water return pipe 6, the second temperature sensor 10 is electrically connected with the electric control component 13, and in a state that the hot water circulation mode needs to be started, if the temperature of water in the water return pipe 6 is lower than a first preset temperature T1, the water pump 7 is started;
if the water temperature in the water return pipe 6 is higher than the second preset temperature T2, the water pump 7 is turned off, wherein the second preset temperature T2 is higher than the first preset temperature T1, so that the water temperature in the water return pipe 6 and the water using point 4 is kept stable, and the use experience of a user is improved.
In particular, the water heater also comprises a one-way valve 11 which is arranged on the water return pipe 6 and is formed to be in one-way conduction from the water using point 4 to the water inlet pipe 5, and the one-way valve is used for controlling the water flow direction of hot water circulation, preventing cold water in the water inlet pipe 5 from flowing back to the inside of the water return pipe 6, and being beneficial to ensuring the use stability and reliability of the electric water heater.
In this embodiment, still including three way connection 12, connect between wet return 6 and inlet tube 5, flow sensor 8 sets up between three way connection 12 and inlet tube 5's the end of intaking to this is favorable to accurate detection inlet tube 5's the inflow, provides reliable data basis for the thermostatic control of automatically controlled subassembly 13, hot water circulation control.
In particular, a circulation starting switch is arranged on the electric water heater, and the circulation starting switch is electrically connected with the electric control component 13 and used for switching the electric water heater between a hot water circulation mode and a non-hot water circulation mode.
The electric water heater with the hot water circulation function of the embodiment is provided with the water return pipe 6, and the water return pipe 6 is provided with the water pump 7, so that the hot water circulation function can be easily realized.
In addition, the electric water heater is provided with a circulation starting switch, so that a user can conveniently and freely switch between a hot water circulation function and a non-hot water circulation function.
In addition, a flow sensor 8 is designed on a tap water inlet pipe 5 of the electric water heater, and a temperature sensor is designed on a water return pipe 6, so that automatic start-stop operation of the water pump can be easily realized, the user does not need to worry about the operation, and the use experience of the user is greatly improved.
In this embodiment, the electric control component 13 is configured to start the water pump 7 to perform a hot water circulation operation when the circulation start switch is switched to the hot water circulation mode, and when the water inlet pipe 5 is in a water cut-off state and the temperature of the water in the water return pipe 6 is lower than a first preset temperature value T1; when the water temperature in the water return pipe 6 reaches a second preset temperature value T2, the power supply of the water pump 7 is cut off;
the electric control component 13 is also used for disconnecting the power supply of the water pump 7 when the circulation starting switch is switched to a hot water circulation mode and the water inlet pipe 5 is in a water-passing state;
the electric control component 13 is also used for disconnecting the power supply of the water pump 7 when the circulation starting switch is switched to the non-hot water circulation mode;
the electric control component 13 is also used for switching on the power supply of the electric heating tube 2 when the water temperature in the inner container 1 is lower than a third preset temperature value T3 in a hot water circulation mode or a non-hot water circulation mode; when the temperature of the water in the inner container 1 reaches a third preset temperature value T3, the power supply of the electric heating tube 2 is cut off.
Example two: as shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a control method of an electric water heater with a hot water circulation function, which is applied to the electric water heater described in the first embodiment, and the control method includes:
receiving a switching signal of a hot water circulation mode, in particular receiving a switching signal from a circulation starting switch;
judging the water on-off state of the water inlet pipe 5, specifically, detecting the water on-off state of the water inlet pipe 5 through the flow sensor 8, judging that the water inlet pipe 5 is in the water on-off state when the flow sensor 8 detects a water flow signal, and judging that the water inlet pipe 5 is in the water off state when the flow sensor 8 does not detect the water flow signal;
if the water inlet pipe 5 is in a water-cut-off state, detecting the water temperature in the water return pipe 6;
and determining whether to start the water pump 7 according to the water temperature in the water return pipe 6.
The control method of the electric water heater of the embodiment has reasonable and ingenious design and is beneficial to improving the bathing comfort of users.
Further, the step of judging the water on-off state of the water inlet pipe 5 comprises the following steps:
if the water inlet pipe 5 is in a water-passing state, the water pump 7 is closed.
Further, the step of determining whether to activate the water pump 7 according to the temperature of the water in the return pipe 6 includes:
if the water temperature in the water return pipe 6 is lower than a first preset temperature T1, starting the water pump 7;
if the water temperature in the water return pipe 6 is higher than a second preset temperature T2, the water pump 7 is turned off, wherein the second preset temperature T2 is higher than the first preset temperature T1, specifically, the first preset temperature ranges from 35 ℃ to 40 ℃, and the second preset temperature ranges from 40 ℃ to 80 ℃, so that the water temperature in the water return pipe 6 and the water using point 4 is kept stable, and the use experience of a user is improved.
Preferably, the method further comprises the following steps:
detecting the water temperature in the inner container 1;
if the water temperature in the inner container 1 is lower than a third preset temperature T3, the electric heating tube 2 is started;
if the water temperature in the inner container 1 is higher than the third preset temperature T3, the electric heating tube 2 is turned off, specifically, the third preset temperature ranges from 30 ℃ to 80 ℃, so that the water temperature in the inner container 1 is kept stable, and the use experience of a user is improved.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (5)

1. An electric water heater with hot water circulation function, comprising:
the inner container (1) is used for storing water;
the electric heating tube (2) is arranged in the inner container (1) and is used for heating water in the inner container (1);
the water outlet pipe (3) is used for communicating the water outlet of the inner container (1) with the water consumption point (4);
the water inlet pipe (5) is connected with the water inlet of the inner container (1);
the water return pipe (6) is used for communicating the water consumption point (4) with the water inlet pipe (5);
the water pump (7) is arranged on the water return pipe (6);
the flow sensor (8) is arranged on the water inlet pipe (5) and is used for detecting the water on-off state of the water inlet pipe (5);
the electric control component (13) is respectively and electrically connected with the electric heating tube (2), the water pump (7) and the flow sensor (8).
2. The electric water heater with the hot water circulation function according to claim 1, further comprising a first temperature sensor (9) disposed in the inner container (1) for detecting the temperature of water in the inner container (1), wherein the first temperature sensor (9) is electrically connected to the electric control component (13).
3. The electric water heater with the hot water circulation function according to claim 2, further comprising a second temperature sensor (10) disposed on the water return pipe (6) for detecting the temperature of the water in the water return pipe (6), wherein the second temperature sensor (10) is electrically connected to the electric control component (13).
4. The electric water heater with hot water circulation function according to claim 1, further comprising a check valve (11) disposed on the water return pipe (6) and configured to conduct in one direction from the water consumption point (4) to the water inlet pipe (5).
5. The electric water heater with the hot water circulation function according to any one of claims 1 to 4, further comprising a three-way joint (12) connected between the water return pipe (6) and the water inlet pipe (5), wherein the flow sensor (8) is arranged between the three-way joint (12) and the water inlet end of the water inlet pipe (5).
CN201921946880.6U 2019-11-12 2019-11-12 Electric water heater with hot water circulation function Active CN211575519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921946880.6U CN211575519U (en) 2019-11-12 2019-11-12 Electric water heater with hot water circulation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921946880.6U CN211575519U (en) 2019-11-12 2019-11-12 Electric water heater with hot water circulation function

Publications (1)

Publication Number Publication Date
CN211575519U true CN211575519U (en) 2020-09-25

Family

ID=72531237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921946880.6U Active CN211575519U (en) 2019-11-12 2019-11-12 Electric water heater with hot water circulation function

Country Status (1)

Country Link
CN (1) CN211575519U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110848969A (en) * 2019-11-12 2020-02-28 华帝股份有限公司 Electric water heater with hot water circulation function and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110848969A (en) * 2019-11-12 2020-02-28 华帝股份有限公司 Electric water heater with hot water circulation function and control method thereof

Similar Documents

Publication Publication Date Title
US9897333B2 (en) Water heater having a waterway changeover control apparatus and method for operating the same
CN100467972C (en) Energy saving controlling method for electric water heater, and electrically heating system
CN107606780B (en) Water heater and control method thereof
CN102401471A (en) Backflow type water-saving device
CN102865621A (en) System and method for solar energy centralized hot water supply for high-rise residence
CN108361998B (en) Control method of heat pump water heater
CN205351796U (en) Remote control shower water economizer
CN202371888U (en) Backflow type water saving device
CN106813401B (en) Water heater and control method thereof
CN211575519U (en) Electric water heater with hot water circulation function
CN113587451A (en) Zero-cold-water gas water heater with circulating pipeline provided with remote control electric valve
CN217737554U (en) Water-saving backflow device
CN104296387A (en) Water heater control method and system
CN210050983U (en) Pre-mixing type electric water heater
CN202852977U (en) High-rise residence solar energy centralized hot water supplying system
CN110848969A (en) Electric water heater with hot water circulation function and control method thereof
CN211857316U (en) Solar water heater remote control system based on internet of things technology
CN205619573U (en) Mobile control system of hot and cold water
CN113339999A (en) Double-circulation zero-cold-water multi-energy system
CN208606382U (en) A kind of double gallbladder electric heaters
CN107246735A (en) A kind of multiple-energy-source hot-water heating system and its control method
CN210425249U (en) Intelligent preheating control system
CN108266892B (en) Multipurpose water heating device capable of heating water immediately after water is discharged, multifunctional bathroom system and control method
CN208205161U (en) A kind of combustion pump complementary heating, hot water supply system
CN202581549U (en) Tail end water temperature intelligent controller for central water supply

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant