WO2015161540A1

WO2015161540A1 - Hot water dispenser

Info

Publication number: WO2015161540A1
Application number: PCT/CN2014/078425
Authority: WO
Inventors: 杨春城; 张可大; 陈天明
Original assignee: 海尔国际商社有限公司; 海尔集团公司
Priority date: 2014-04-24
Filing date: 2014-05-26
Publication date: 2015-10-29

Abstract

Disclosed is a hot water dispenser comprising a pot body (1) and a heating pipe (4) located outside the pot body (1), wherein at least a first opening and a second opening are formed on the pot body (1), a water supply pipe is connected between the first opening and a water inlet of the heating pipe (4), a connecting pipe (7) is connected at a water outlet of the heating pipe (4), a third opening and a fourth opening are formed on the connecting pipe (7), the position of the fourth opening is lower than the position of the third opening, a water return pipe (5) is connected between the third opening and the second opening, the fourth opening is connected to an immediate water outlet (6) via a two-way valve (8), and a water pump (3) is provided on the water supply pipe. The hot water dispenser can both immediately heat a small amount of water to provide to a user for use, realising the function of an instant hot water dispenser, and can heat all the water in the pot to then supply the water to the user for use, realising the function of a conventional electric kettle.

Description

Hot water machine

The invention belongs to the technical field of drinking water equipment, and in particular to a hot water machine.

Background technique

The hot water machine is a commonly used small household appliance in the home, providing hot water to the user to meet the user's demand for hot water. At present, there are two main types of hot water machines: hot water machines and traditional electric kettles.

The instant hot water machine can instantly heat a small amount of cold water, so that users can immediately obtain a small amount of hot water to meet the demand for a small amount of hot water when the number is small. When a large number of people need a lot of hot water, they need to get a lot of heat instantly. Water, the user needs to have a cup of hot water next to the hot water machine, need to wait for a long time, and when the last glass of water is received, the temperature of the first glass of water may have been much lower than the temperature expected by the user. It is very inconvenient for the user. Therefore, the instant hot water machine is suitable for a small number of people, and is not suitable for a case where a large amount of hot water is required for many people.

The traditional electric kettle is provided to the user after heating the whole pot water to meet the demand of more people at the same time, but when the number of people is small and the amount of hot water required is not large, the heated whole pot of water is inexhaustible. , resulting in waste of resources.

If there is an instant hot water machine and a traditional electric kettle in the home, it is necessary to select a hot water machine or a conventional electric kettle according to the number of water users and the amount of water used. It is inconvenient to use and takes up a large amount. Storage space.

Summary of the invention

The invention provides a hot water machine, which can realize the function of the instant hot water machine and realize the function of the traditional electric kettle, has a simple structure, is convenient to use, and saves storage space.

In order to solve the above technical problems, the present invention is implemented by the following technical solutions:

A hot water machine includes a kettle body and a heating pipe located outside the kettle body, at least a first opening and a second opening are formed on the kettle body, and a water supply pipe is connected between the first opening and the water inlet of the heating pipe. a connecting pipe is connected to the water outlet of the heating pipe, and a third opening and a fourth opening are formed on the connecting pipe, The position of the four openings is lower than the position of the third opening, and a return pipe is connected between the third opening and the second opening, and the fourth opening is connected to the instant water outlet through the two-way valve; a water pump is arranged on the water supply pipe.

Further, the water supply pipe extends from the first opening into the bottom of the kettle body.

Further, the water supply pipe includes a first water supply pipe and a second water supply pipe, the first water supply pipe is located inside the kettle body and connected to the first opening, and the second water supply pipe is located outside the kettle body and is An opening is connected, and the first water supply pipe and the second water supply pipe are butted at the first opening.

Further, the first opening and the second opening are both located at the top of the kettle body.

Preferably, the heating pipe is placed vertically, and the water inlet of the heating pipe is located at the bottom thereof, and the water outlet of the heating pipe is located at the top thereof.

Further, the heating tube is a glass heating tube.

The invention also provides a hot water machine comprising a kettle body and a heating pipe located outside the kettle body, at least a first opening and a second opening are formed on the kettle body, between the first opening and the water inlet of the heating pipe A water supply pipe is connected, and the water outlet of the heating pipe is connected to the water inlet of the three-way valve through a connecting pipe, one water outlet of the three-way valve is connected to the second opening through the return pipe, and the other water outlet of the three-way valve is connected to the instant water outlet; A water pump is provided on the water supply pipe.

Further, the first opening and the second opening are both located at the top of the kettle body; the heating pipe is placed vertically, and the water inlet of the heating pipe is at the bottom thereof, and the water outlet of the heating pipe is at the top thereof. The heating tube is a glass heating tube.

Compared with the prior art, the advantages and positive effects of the present invention are as follows: The hot water machine of the invention can simultaneously heat a small amount of water for the user to realize the function of the instant hot water machine, and can also heat the whole body of the kettle body. After the pot of water is used by the user, the function of the traditional electric kettle can be realized. The hot water machine combines the functions of the instant hot water machine and the traditional electric kettle, which not only meets the immediate needs of a small number of people for a small amount of hot water, but also satisfies more People have a large amount of hot water demand, and the structure is simple and convenient to use, which saves the storage space for the user.

Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments.

BRIEF DESCRIPTION OF THE DRAWINGS:

1 is a schematic view showing the operation of an embodiment of a water heater according to the present invention;

2 is a schematic structural view of an embodiment of a water heater based on the working principle of FIG. 1;

Fig. 3 is a schematic view showing the operation of another embodiment of the water heater proposed by the present invention.

detailed description:

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Embodiment 1 The hot water machine of the present embodiment is mainly composed of a kettle body 1, a heating pipe 4, an instant water outlet 6 and a diverting portion for controlling the flow direction of water at the water outlet of the heating pipe 4, when the heating pipe 4 is required. When the water at the water outlet flows into the kettle body 1, the flow portion controls the water at the water outlet of the heating pipe 4 to flow to the kettle body 1. When the water at the water outlet of the heating pipe 4 needs to flow out from the immediate water outlet 6, the flow dividing portion The water at the water outlet of the heating pipe 4 is controlled to flow to the instant water outlet 6; in the present embodiment, the diverter portion can be selected as the two-way valve 8, as shown in FIG. Specifically, at least two openings are formed in the kettle body 1 : a first opening and a second opening, and a water supply pipe is connected between the first opening and the water inlet of the heating pipe 4 at the water outlet of the heating pipe 4 Connected with a connecting tube 7, two openings are formed in the connecting tube 7: a third opening and a fourth opening, and the fourth opening is located lower than the position of the third opening, and is connected between the third opening and the second opening There is a return pipe 5, and the fourth opening is connected to the instant water outlet 6 through the two-way valve 8. A water pump 3 is provided on the water supply pipe for drawing water out of the kettle body 1.

The two-way valve 8 controls the flow of water at the water outlet of the heating pipe 4, and the control principle is as follows:

The third opening is kept in communication with the return water pipe 5, and the communication between the fourth opening and the instant water outlet 6 is controlled by the two-way valve 8; when the two-way valve 8 is closed, the fourth opening is not in communication with the instant water outlet 6, heating The water at the water outlet of the pipe 4 flows into the return pipe 5 through the third opening; when the two-way valve 8 is opened, the fourth opening communicates with the instant water outlet 6, since the position of the fourth opening is lower than the position of the third opening, The water at the water outlet of the heating pipe 4 flows through the fourth opening to the instantaneous water outlet 6. When the user needs a large amount of hot water, that is, when the whole pot water in the kettle body 1 needs to be heated, the two-way valve 8 is closed, and the water at the water outlet of the heating pipe 4 flows into the return water pipe 5 through the connecting pipe 7, and passes through the second opening. Flowing into the kettle body 1, circulating in turn until the water in the kettle body 1 reaches a predetermined temperature; when the user needs a small amount of hot water immediately, the two-way valve 8 is opened, and the water at the water outlet of the heating pipe 4 flows through the connection pipe 7 to the instant water outlet. 6, and through the instant water outlet 6 outflow, to meet the user's demand for a small amount of hot water.

As a preferred design of the embodiment, the water supply pipe extends from the first opening into the bottom of the kettle body 1, and the water supply pipe is divided into two parts: a first water supply pipe 2-1 and a second water supply pipe. 2-2, the first water supply pipe 2-1 is located inside the kettle body 1 and connected to the first opening, and the second water supply pipe 2-2 is located outside the kettle body 1 and connected to the first opening, the first water supply pipe 2 1 and the second water supply pipe 2-2 are butted at the first opening. The water pump 3 is disposed on the second water supply pipe 2-2, draws the water in the kettle body 1 into the water supply pipe, and is introduced into the heating pipe 4, and after the heating pipe 4 is heated, the hot water is discharged from the water outlet of the heating pipe 4. It flows into the connecting pipe 7, and is controlled to flow back to the return pipe 5 or to the immediate water outlet 6 via the two-way valve 8.

The heating pipe 4 is preferably placed vertically, the water inlet of the heating pipe 4 is disposed at the bottom of the heating pipe 4, the water outlet of the heating pipe 4 is disposed at the top of the heating pipe 4, and the water supply pipe introduces water into the water inlet of the heating pipe 4. And entering the heating pipe 4 through the water inlet of the heating pipe 4, the water flows upward in the heating pipe 4, gradually fills the entire heating pipe 4, and finally flows into the connecting pipe 7 through the water outlet of the heating pipe 4. Since the heating pipe 4 is placed vertically, the water entering the heating pipe 4 from the bottom water inlet thereof gradually fills the entire heating pipe 4, preventing the heating pipe 4 from partially drying and shortening its service life.

The first opening and the second opening are both disposed at the top of the kettle body 1. The bottom of the kettle body 1 has no opening. After the water in the kettle body 1 is heated, the kettle body 1 can be separately removed, and the hot water passes through the second opening. Pour out, do not worry about the bottom of the kettle body 1 leaking water. Of course, an opening, that is, a spout, can be formed on the kettle body 1. After the heating is completed, the hot water in the kettle body 1 is poured out through the spout.

In this embodiment, the heating tube 4 is preferably a glass heating tube, and the glass heating tube is safer and more reliable than the heating tubes of other materials.

Referring to the structural schematic view of the water heater shown in FIG. 2, the kettle body 1 is located outside the casing of the water heater and placed on the base 14 of the water heater, and the first water supply pipe 2-1 is located inside the kettle body 1 and Connected to the first opening The second water supply pipe 2-2 (not shown in FIG. 2), the water pump 3, the heating pipe 4, the two-way valve 8, and the return pipe 5 are all disposed inside the casing of the hot water machine, and the instant water outlet 6 is disposed at The outside of the housing of the hot water machine, the specific connection relationship is shown in Figure 1, and will not be described here.

A selector switch 10 is also provided on the water heater. As shown in Fig. 2, the user selects the water heater through the selection switch 10 to realize the function of the conventional electric kettle or the hot water heater.

A control circuit board 13 is also disposed inside the base 14 of the water heater. Referring to Fig. 2, the control circuit board 13 is a control center of the water heater to control the operation of the water heater.

In order to facilitate the user to grip the kettle body 1, as shown in Fig. 2, a handle 12 is further disposed on the kettle body 1, and the handle 12 faces the outside of the water heater, which is convenient for the user to grasp.

The hot water machine is further provided with an elastic mechanism 11 capable of up-and-down telescoping. Referring to FIG. 2, the elastic mechanism 11 is disposed in the second water supply pipe 2-2 (not shown in FIG. 2) and the first opening. Connection. The elastic mechanism 11 is of the prior art and is similar to the drip mechanism in a drip coffee machine, and will not be described herein. When the kettle body 1 is placed on the base 14 of the water heater, the top of the kettle body 1 presses the elastic mechanism 11, so that the elastic mechanism 11 is in a telescopic state, and the second water supply pipe 2-2 is connected to the first opening, and The two water supply pipes 2-2 are butted with the first water supply pipe 2-1 at the first opening. When the kettle body 1 is removed from the water heater, the elastic mechanism 11 returns to its original state.

Embodiment 2 The hot water machine of the present embodiment mainly consists of a kettle body 1, a heating pipe 4, an instant water outlet 6 and a three-way valve 9 for controlling the flow of water at the water outlet of the heating pipe 4, when heating is required When the water at the water outlet of the pipe 4 flows into the kettle body 1, the three-way valve 9 controls the water at the water outlet of the heating pipe 4 to flow to the kettle body 1, and when the water at the water outlet of the heating pipe 4 is required to flow out from the immediate water outlet 6, When the three-way valve 9 controls the water at the water outlet of the heating pipe 4 to flow to the instant water outlet 6, as shown in FIG. 3, specifically, at least two openings are formed in the kettle body 1: the first opening and the second Opening, a water supply pipe is connected between the first opening and the water inlet of the heating pipe 4, and the water outlet of the heating pipe 4 is connected to the water inlet of the three-way valve 9 through the connecting pipe 7, and one water outlet of the three-way valve 9 passes through the water return pipe 5 is connected to the second opening, and the other water outlet of the three-way valve 9 is connected to the instant water outlet 6. A water pump 3 is provided on the water supply pipe for drawing water out of the kettle body 1.

The three-way valve 9 controls the flow of water at the water outlet of the heating pipe 4, and the control principle is as follows: When the water inlet of the three-way valve 9 communicates with a water outlet of the three-way valve 9, the connecting pipe 7 communicates with the return pipe 5, and the water at the water outlet of the heating pipe 4 flows into the return pipe 5 through the connecting pipe 7; When the water inlet of the valve 9 communicates with the other water outlet of the three-way valve 9, the connection pipe 7 communicates with the immediate water outlet 6, and the water at the water outlet of the heating pipe 4 flows through the connection pipe 7 to the instantaneous water outlet 6.

When the user needs a large amount of hot water, that is, when the whole pot of water in the kettle body 1 needs to be heated, the water inlet of the control three-way valve 9 communicates with a water outlet of the three-way valve 9, and the water at the water outlet of the heating pipe 4 passes. The connecting pipe 7 flows into the return pipe 5, and flows into the kettle body 1 through the second opening, and sequentially circulates until the water in the kettle body 1 reaches a predetermined temperature; when the user needs a small amount of hot water immediately, the water inlet of the three-way valve 9 is controlled and three The other water outlet of the valve 9 is connected, and the water at the water outlet of the heating pipe 4 flows through the connecting pipe 7 to the instant water outlet 6, and flows out through the instant water outlet 6, satisfying the user's demand for a small amount of hot water.

As a preferred design of the embodiment, the water supply pipe extends from the first opening into the bottom of the kettle body 1, and the water supply pipe is divided into two parts: a first water supply pipe 2-1 and a second water supply pipe. 2-2, the first water supply pipe 2-1 is located inside the kettle body 1 and connected to the first opening, and the second water supply pipe 2-2 is located outside the kettle body 1 and connected to the first opening, the first water supply pipe 2 1 and the second water supply pipe 2-2 are butted at the first opening. The water pump 3 is disposed on the second water supply pipe 2-2, draws the water in the kettle body 1 into the water supply pipe, and is introduced into the heating pipe 4, and after the heating pipe 4 is heated, the hot water is discharged from the water outlet of the heating pipe 4. It flows into the connecting pipe 7, and is controlled to flow back to the return pipe 5 or to the immediate water outlet 6 via the three-way valve 9.

The first opening and the second opening are both disposed at the top of the kettle body 1. The bottom of the kettle body 1 has no opening. After the water in the kettle body 1 is heated, the kettle body 1 can be separately removed, and the hot water passes through the second opening. Pour out, do not worry about the bottom of the kettle body 1 leaking water. Of course, an opening may be formed on the kettle body 1, that is, The spout, after the heating is finished, the hot water in the kettle body 1 is poured out through the spout.

Other components in the water heater of the present embodiment, such as: a selection switch for realizing the function of a conventional electric kettle or a hot water heater for selecting a hot water machine, a control circuit board for controlling the operation of the hot water machine, and setting The handle on the kettle body, the elastic mechanism capable of up-and-down expansion and the like, and the structure and function of these components are similar to those of the corresponding components in the water heater of the first embodiment, and will not be described herein.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention are also The scope of protection of the present invention.

Claims

claims

1. A water heater, characterized in that: it includes a kettle body and a heating pipe located outside the kettle body, at least a first opening and a second opening are formed on the kettle body, between the first opening and the water inlet of the heating pipe. A water supply pipe is connected between the heating pipes, a connecting pipe is connected to the water outlet of the heating pipe, a third opening and a fourth opening are formed on the connecting pipe, the position of the fourth opening is lower than the position of the third opening, and in the third A return pipe is connected between the opening and the second opening, and the fourth opening is connected to the immediate water outlet through a two-way valve; a water pump is provided on the water supply pipe.

2. The water heater according to claim 1, characterized in that: the water supply pipe extends from the first opening to the bottom of the kettle body.

3. The water heater according to claim 2, characterized in that: the water supply pipe includes a first water supply pipe and a second water supply pipe, and the first water supply pipe is located inside the kettle body and connected to the first opening. , the second water supply pipe is located outside the kettle body and connected to the first opening, and the first water supply pipe and the second water supply pipe are connected at the first opening.

4. The water heater according to claim 1, characterized in that: the first opening and the second opening are located at the top of the kettle body.

5. The water machine according to any one of claims 1 to 4, characterized in that: the heating tube is placed vertically, with the water inlet of the heating tube located at the bottom, and the water outlet of the heating tube located at the top.

6. The water heater according to claim 5, characterized in that: the heating tube is a glass heating tube.

7. A water heater, characterized by: including a kettle body and a heating pipe located outside the kettle body, at least a first opening and a second opening formed on the kettle body, between the first opening and the water inlet of the heating pipe. There is a water supply pipe connected between them, the water outlet of the heating pipe is connected to the water inlet of the three-way valve through the connecting pipe, one outlet of the three-way valve is connected to the second opening through the return pipe, and the other outlet of the three-way valve is connected to the instant water outlet; A water pump is provided on the water supply pipe.

8. The water heater according to claim 7, characterized in that: the water supply pipe extends from the first opening to the bottom of the kettle body.

9. The water heater according to claim 8, characterized in that: the water supply pipe includes a first water supply pipe and a second water supply pipe, and the first water supply pipe is located inside the kettle body and connected to the first opening. , the second water supply pipe is located outside the kettle body and connected to the first opening, and the first water supply pipe and the second water supply pipe are connected at the first opening.

10. The water machine according to any one of claims 7 to 9, characterized in that: the first opening and the second opening are located at the top of the kettle body; the heating tube is placed vertically, The water inlet of the heating tube is located at the bottom, and the water outlet of the heating tube is located at the top; the heating tube is a glass heating tube.