CN213097503U

CN213097503U - Water boiler

Info

Publication number: CN213097503U
Application number: CN202021863318.XU
Authority: CN
Inventors: 黄小承; 李建; 王国栋
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The application relates to the technical field of liquid heating appliances, and provides a water boiler which comprises a heating device; the heating device is provided with a flow guide water channel and a heating element arranged corresponding to the flow guide water channel; the heating member has the heating portion of two different powers at least, and along the water conservancy diversion direction of water conservancy diversion water course, the power of heating portion reduces gradually. Compared with the water boiler in the prior art which adopts an even and equal-power heating mode, the water boiler can gradually carry out reduced-power heating on water, and solves the problems that boiling water is easily rapidly heated and gasified when the water boiler is used in high-altitude and low-boiling-point areas, so that a heating device is cut off water and is dried to boil, and water and steam are completely sprayed out in the prior art.

Description

Water boiler

Technical Field

The application relates to the technical field of liquid heating appliances, in particular to a water boiler.

Background

The water boiler is a water dispenser which can make hot water be discharged immediately by pressing without waiting and does not need to be heated repeatedly.

In the prior art, a water guide channel is generally provided inside a heating device of a water boiler, water flows along the water guide channel and is continuously heated during heating, and when the water flows out of the water guide channel, the water is heated into boiled water.

However, in the prior art, the heating device of the water boiler uniformly heats all parts of the guide water channel at equal power, and water is always heated at equal power when flowing along the guide water channel, but in such a way, when the water boiler is used in a high altitude area, because the boiling point of water is relatively low, the water is heated to the boiling point when flowing to the greater half or even half of the guide water channel, and when the boiling water continues to flow along the guide water channel, the latter half of the guide water channel continues to be heated at equal power, so that the boiling water is heated rapidly and generates more water vapor, and in severe cases, the latter half of the guide water channel is cut off to dry and burn, and the water outlet of the water boiler completely sprays water vapor.

In summary, the constant power heating type water boiler in the prior art is prone to have the problems that boiling water is rapidly heated and gasified when being used in high-altitude low-boiling-point areas, the heating device is cut off water and is dried, and water and steam are completely sprayed out.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a water boiler, which is used to solve the problems that the water boiler in the prior art is easily gasified by rapid heating when used in high altitude and low boiling point areas, which results in the water cut-off and dry burning of the heating device and the complete water vapor spraying.

The water boiler provided by the application comprises a heating device;

the heating device is provided with a flow guide water channel and a heating element arranged corresponding to the flow guide water channel;

the heating member has the heating portion of two different powers at least, and follows the water conservancy diversion direction of water conservancy diversion water course, the power of heating portion reduces gradually.

This water boiler is when using, under the heating member ohmic contact, a plurality of heating parts alright produce heat and heat to water step by step, and because the power of the water conservancy diversion direction heating part along water conservancy diversion water course reduces gradually, like this when rivers to the latter half of water conservancy diversion water course, the water that closes on boiling point temperature is reduced by heating efficiency, can not sharply be heated the gasification and produce more steam, especially when using in high altitude low boiling point area, the effect is more obvious, thereby can solve prior art water boiler and easily appear boiling water sharply when using in high altitude low boiling point area and be heated the gasification, lead to heating device to break water dry combustion method, the problem of complete blowout aqueous vapor.

In one possible design, the heating device comprises an inner cylinder and an outer cover sleeved outside the inner cylinder;

the flow guide water channel is formed between the inner cylinder and the outer cover;

the heating part is connected to the outer peripheral wall of the outer cover and/or connected to the inner peripheral wall of the inner barrel.

The heating device is arranged into the inner cylinder and the outer cover sleeved outside the inner cylinder at intervals, so that a flow guide water channel is formed between the inner cylinder and the outer cover, and the heating device has the advantages of simple structure and convenience in production.

In one possible design, the heating part is a conductive coating printed or sprayed on the peripheral wall of the outer cover, and a plurality of conductive coatings are sequentially connected in series;

and/or the heating part is a conductive coating printed or sprayed on the inner peripheral wall of the inner cylinder, and the conductive coatings are sequentially connected in series.

The heating part is arranged to be a conductive coating printed or sprayed on the outer peripheral wall of the outer cover, so that the heating part is synchronously and stably contacted with the outer peripheral wall of the outer cover when the conductive coating is manufactured, and a corresponding abutting fixing piece does not need to be additionally arranged; the plurality of conductive coatings are connected in series in sequence, and the function of changing the power of each heating part can be realized only by correspondingly changing the resistance or the heating area of each conductive coating.

Similarly, the heating part is arranged into a conductive coating which is printed or sprayed on the inner peripheral wall of the inner cylinder, and the stable contact between the heating part and the outer peripheral wall of the outer cover can be synchronously completed when the conductive coating is printed; the plurality of conductive coatings are sequentially connected in series, and the function of gradually reducing the power of the heating part can be realized by correspondingly reducing the resistance of each conductive coating along the flow guide direction of the flow guide water channel.

In one possible design, the thicknesses or areas of the plurality of conductive coatings are set to be different in size in the extending direction of the inner cylinder or the outer cover.

The thickness or the area of the conductive coating is gradually changed along the extension direction of the inner cylinder or the outer cover, so that the heating power of each conductive coating can be changed, and the production and the manufacture are convenient.

In one possible design, the heating device further comprises a temperature control;

the temperature control part is connected with the conductive coating in series and connected in a power supply circuit of the heating element.

The temperature control part can be wrapped and abutted in the thickness direction through the conductive coating, so that the temperature control part can be installed and fixed without arranging a special installation part; through setting up the temperature control spare can be in the temperature of conductive coating rise to the kick when the kick disconnection to avoid heating member dry combustion method to damage.

In one possible embodiment, a spiral partition is provided between the inner cylinder and the outer casing;

the spiral separation part separates the flow guide water channel to form a spiral water channel spirally rising along the height direction.

The spiral separation part is arranged to separate the flow guide water channel into the spirally ascending thin strip-shaped spiral water channel, so that the flowing time of water in the flow guide water channel can be prolonged, the power of the heating element can be relatively reduced, and the situations of instantaneous heating and local boiling of water during heating are avoided.

In one possible embodiment, the spiral partition is integrally connected to the inner cylinder or the outer casing.

The spiral separating part is integrally connected with the inner cylinder or the outer cover, so that the spiral separating part and the inner cylinder or the outer cover can be manufactured and formed at the same time through processes of integral injection molding, integral stamping and the like, the manufacturing is convenient, and the separation effect of the spiral separating part on the flow guide water channel can be ensured.

In one possible design, the heating device further comprises a water inlet pipe and a water outlet pipe;

the inlet tube the outlet pipe set up respectively in the inside of inner tube, just the inlet tube with the bottom of water conservancy diversion water course switches on, the outlet pipe with the top of water conservancy diversion water course switches on.

Above-mentioned inlet tube and outlet pipe set up the mode, on the one hand can make full use of the inner space of inner tube, make heating device's structure compacter, on the other hand can take the mode of overflowing from water conservancy diversion water course water conservancy diversion with water from bottom to top, ensures that water receives abundant heating at the water conservancy diversion water course.

In one possible design, the water boiler further comprises a water outlet head and an internal water pump arranged in the inner cylinder;

the water outlet of the water pump is communicated with the flow guide water channel through the water inlet pipe;

the water outlet pipe is communicated with the water outlet head through a connecting pipeline.

The water pump is arranged in the inner cylinder, so that the space in the inner cylinder can be fully utilized, and the structure of the water boiler can be more compact.

In one possible design, the two ends of the inner cylinder and the outer cover are respectively connected in a sealing manner by welding.

Compared with the sealing mode of the traditional sealing element, the welding sealing element omits a waterproof sealing element, simplifies a sealing structure, and can enable the two ends of the inner cylinder and the outer cover to better bear high temperature and high pressure in a welding mode, thereby being more stable and effective in water sealing.

In one possible design, the water boiler further comprises a circuit board;

the heating device further comprises an electric plug-in foot, and the heating device is installed to be electrically connected with the circuit board in a mode that the electric plug-in foot is plugged in the circuit board.

The heating device is electrically connected with the circuit board in a mode of inserting the power connection plug-in pins into the circuit board, and the heating device can be further fixed through the power connection plug-in pins while the power connection plug-in pins are electrically connected with the circuit board, so that the installation stability of the heating device is improved.

Additional features and advantages of embodiments of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of embodiments of the present application. The objectives and other advantages of the embodiments of the application will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

Fig. 1 is a longitudinal sectional view of a water boiler provided in an embodiment of the present application;

fig. 2 is a longitudinal sectional view of a heating device in the water boiler according to the embodiment of the present application;

fig. 3 is a schematic structural diagram of a heating device in the water boiler according to the embodiment of the present application.

Reference numerals:

1-a heating device;

11-a diversion water channel;

12-a heating element;

121-a heating part;

13-inner cylinder;

131-a helical partition;

14-a housing;

15-water inlet pipe;

16-a water outlet pipe;

17-a temperature control member;

18-power-on insertion;

2-a water pump;

and 3, a water outlet head.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The following is a description of a specific embodiment of the water boiler according to the structure of the water boiler provided in the embodiment of the present application.

As shown in fig. 1, an embodiment of the present application provides a water boiler, which includes a heating device 1; the heating device 1 is provided with a flow guide water channel 11 and a heating element 12 which is arranged corresponding to the flow guide water channel 11; the heating member 12 has at least two heating portions 121 with different powers, and the power of the heating portions 121 is gradually reduced along the flow guiding direction of the flow guiding water channel 11.

This water boiler is when using, when the normal water of leading in water guide channel 11, under heating member 12 on-state, a plurality of heating portions 121 alright heat production and heat gradually water, and because the power of heating portion 121 reduces gradually along water guide direction of water guide channel 11, like this when water flows to water guide channel 11's latter half, the water that closes on boiling point temperature is heated the efficiency and is reduced, can not sharply be heated the gasification and produce more steam, the effect is more obvious when especially using in high altitude low boiling point area, thereby can avoid water dry combustion method, the phenomenon of water boiler blowout aqueous vapor completely appears in water guide channel 11's latter half.

Compared with the water boiler in the prior art which adopts an even and equal-power heating mode, the water boiler provided by the embodiment of the application can gradually reduce the power of water for heating, and solves the problems that boiling water is easily rapidly heated and gasified to cause the water cut-off and dry burning of a heating device and water vapor is completely sprayed when the water boiler is used in high-altitude low-boiling-point areas in the prior art.

In an alternative of the present embodiment, the heating device 1 includes an inner cylinder 13 and an outer cover 14 sleeved outside the inner cylinder 13; a flow guide water channel 11 is formed between the inner cylinder 13 and the outer cover 14; the heating unit 121 is connected to the outer peripheral wall of the outer cover 14 and/or is in contact with the inner peripheral wall of the inner cylinder 13.

Specifically, as shown in fig. 2, the heating device 1 is provided with an inner cylinder 13 and an outer cover 14 which is sleeved outside the inner cylinder 13 at intervals, so that a flow guide water channel 11 is formed between the inner cylinder 13 and the outer cover 14, and the heating device is simple in structure and convenient to produce. In addition, the heating part 121 is connected and arranged on the inner peripheral wall of the inner cylinder 13, so that the space can be fully saved and utilized, and the structure of the heating device 1 is more compact; when the heating portion 121 is disposed in contact with the outer circumferential wall of the housing 14, a contact area may be larger, and it is more convenient for the heating portion 121 to transfer heat to the water in the guide water channel 11.

Of course, the heating element 12 may also be arranged inside the water guide channel 11, but in this case, a corresponding waterproof element needs to be arranged for the heating element 12 in order to prevent the heating element 12 from leaking electricity.

In an alternative of this embodiment, the heating portion 121 is a conductive coating printed or sprayed on the outer peripheral wall of the housing 14, and a plurality of conductive coatings are connected in series in sequence; and/or the heating part 121 is a conductive coating printed or sprayed on the inner peripheral wall of the inner cylinder 13, and the plurality of conductive coatings are connected in series in sequence.

Specifically, as shown in fig. 3, the heating portion 121 is configured to be a conductive coating printed or sprayed on the outer peripheral wall of the housing 14, so that the heating portion 121 and the outer peripheral wall of the housing 14 are stably contacted simultaneously when the conductive coating is printed, and a corresponding abutting fixture is not required to be additionally arranged.

Similarly, the heating portion 121 is configured to be a conductive coating printed on the inner circumferential wall of the inner cylinder 13, and a corresponding abutting fixing member is not required to be additionally arranged, so that the heating portion 121 can be synchronously and stably contacted with the outer circumferential wall of the outer cover 14 when the conductive coating is printed.

And the plurality of conductive coatings are sequentially arranged in series, so that when the heating element 12 is conductive, the current flowing through each conductive coating is consistent, and therefore when each conductive coating is printed, the resistance of each conductive coating is only required to be correspondingly changed, and when the resistance of each conductive coating is gradually reduced along the flow direction of the flow guide water channel 11, the function of gradually reducing the power of the heating part 121 can be realized.

In an alternative of this embodiment, the plurality of conductive coatings are provided in different printing thicknesses or areas in the extending direction of the inner cylinder 13 or the outer cover 14.

Specifically, as shown in fig. 2, the inner cylinder 13 and the outer cover 14 may be respectively extended along the height direction H, so that a flow guide channel 11 along the vertical direction is formed between the inner cylinder 13 and the outer cover 14, and when the flow guide channel 11 guides water, the water can be guided from bottom to top in an overflow manner; the printing thickness or area of the conductive coating is set to be gradually changed along the height direction H, so that the heating power of the conductive coating can be correspondingly changed. Specifically, for example, in fig. 2, three conductive coatings with gradually changing thicknesses are provided, so that the conductive coatings can be printed three times during printing, all the three conductive coatings are printed for the first time, only the two lower conductive coatings are printed for the second time, and only the lowest conductive coating is printed for the first time, so that the gradually changing thicknesses of the three conductive coatings can be realized.

In an alternative of this embodiment, the heating device 1 further comprises a temperature control member 17; the temperature control member 17 abuts the conductive coating and is connected in series in the power supply circuit of the heating member 12.

Specifically, as shown in fig. 3, the temperature control element 17 may be fixedly arranged in advance, and then the temperature control element 17 is correspondingly avoided when the conductive coating is printed, so that the conductive coating tightly wraps the temperature control element 17 in the thickness direction to abut against the temperature control element, and thus the temperature control element 17 can be suddenly jumped and disconnected when the temperature of the conductive coating rises to the jump, thereby preventing the heating element 12 from being damaged by dry burning.

Above-mentioned temperature control 17's mode of setting up need not to set up special installed part, and the parcel effect through conductive coating can realize the installation fixed.

In an alternative of this embodiment, a spiral partition 131 is provided between the inner barrel 13 and the outer cover 14; the spiral partition 131 partitions the water guide passage 11 to form a spiral passage that spirally rises in the height direction H.

Specifically, as shown in fig. 2, the spiral partition 131 is disposed on the outer peripheral wall of the inner cylinder 13, so that when the outer cover 14 is disposed on the inner cylinder 13 at intervals, the spiral partition 131 partitions the water guide channel formed by the two to form a spiral water guide channel which spirally rises, so that water can be heated to boil gradually by rotating and rising along the spiral water guide channel 11 from bottom to top.

The spiral partition 131 is arranged to partition the water guide channel 11 into spiral water channels, so as to increase the flowing time of water in the water guide channel 11, thereby prolonging the heating time of water, and reducing the power of the heating element 12, thereby avoiding instantaneous heating and local boiling of water during heating.

In an alternative of this embodiment, the spiral partition 131 is integrally connected to the inner cylinder 13 or the outer cover 14.

Specifically, as shown in fig. 2, the spiral partition 131 is integrally connected to the inner cylinder 13, and the spiral partition 131 can be directly manufactured and molded with the inner cylinder 13 by processes such as integral injection molding and integral stamping when the inner cylinder 13 is manufactured. Similarly, when the spiral partition 131 and the housing 14 are integrally connected, they can be manufactured by the same process.

The spiral partition part 131 is integrally connected with the inner cylinder 13 or the outer cover 14, so that the spiral partition part 131 and the inner cylinder 13 or the outer cover 14 are convenient to manufacture and form, and the separation effect of the spiral partition part 131 on the diversion water channel 11 can be ensured.

In an alternative of this embodiment, the heating device 1 further comprises a water inlet pipe 15 and a water outlet pipe 16; the water inlet pipe 15 and the water outlet pipe 16 are respectively arranged inside the inner cylinder 13, the water inlet pipe 15 is communicated with the bottom of the flow guide water channel 11, and the water outlet pipe 16 is communicated with the top of the flow guide water channel 11.

Specifically, as shown in fig. 2, the water inlet pipe 15 and the water outlet pipe 16 are respectively arranged inside the inner cylinder 13, so that the space can be fully saved and utilized, and the structure of the heating device 1 is more compact; the water inlet pipe 15 is communicated with the bottom of the water guide channel 11, and the water outlet pipe 16 is communicated with the top of the water guide channel 11, so that when the water guide channel 11 guides water, the water can be guided from the water guide channel 11 in a overflowing mode from bottom to top, and the water is fully heated in the water guide channel 11.

In the alternative of this embodiment, the water boiler further includes a water outlet head 3 and a water pump 2 disposed inside the inner cylinder 13; the water outlet of the water pump 2 is communicated with the diversion water channel 11 through a water inlet pipe 15; the water outlet pipe 16 is communicated with the water outlet head 3 through a connecting pipeline.

Specifically, as shown in fig. 1, when the water boiler is assembled, the water pump 2 is firstly installed inside the inner cylinder 13, the water outlet of the water pump 2 is communicated with the water inlet pipe 15, and the water inlet of the water pump 2 is communicated with the water bucket or the water tank, so that the water pump 2 pumps water to the diversion water channel 11 for heating, and the water pump 2 is arranged inside the inner cylinder 13, and the space inside the inner cylinder 13 can be fully utilized, so that the structure of the water boiler can be more compact.

In an alternative of this embodiment, the two ends of the inner cylinder 13 and the outer cover 14 are hermetically connected by welding.

Specifically, as shown in fig. 2, both the inner cylinder 13 and the outer cover 14 can be made of metal materials, and both ends of the inner cylinder 13 and the outer cover 14 can be hermetically connected in a laser welding manner, and compared with the sealing manner of the conventional sealing element, the welding sealing manner omits a waterproof sealing element and simplifies a sealing structure, and both ends of the inner cylinder and the outer cover can better bear high temperature and high pressure in a welding manner, so that water can be sealed more stably and effectively.

In an alternative of this embodiment, the water boiler further includes a circuit board; the heating device 1 further comprises an electric plug-in pin 18, and the heating device 1 is mounted in electric connection with the circuit board in a manner that the electric plug-in pin 18 is plugged in the circuit board.

Specifically, as shown in fig. 1, the heating device is electrically connected with the circuit board in a manner of being plugged in the circuit board through the power connection plug, and specifically, the jack can be correspondingly formed in the circuit board, and when the power connection plug is plugged in the jack, the power connection plug is further welded and fixed through the solder, so that the heating device can be further fixed through the power connection plug, and the installation stability of the heating device is improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A water boiler is characterized by comprising a heating device (1);

the heating device (1) is provided with a flow guide water channel (11) and a heating element (12) which is arranged corresponding to the flow guide water channel (11);

the heating element (12) at least has two heating parts (121) with different powers, and the power of the heating parts (121) is gradually reduced along the flow guiding direction of the flow guiding water channel (11).

2. The water boiler according to claim 1, characterized in that the heating device (1) comprises an inner cylinder (13) and an outer cover (14) sleeved outside the inner cylinder (13);

the diversion water channel (11) is formed between the inner cylinder (13) and the outer cover (14);

the heating part (121) is connected to the outer peripheral wall of the outer cover (14) and/or the inner peripheral wall of the inner cylinder (13).

3. The water boiler according to claim 2, wherein the heating part (121) is a conductive coating printed or sprayed on the outer peripheral wall of the housing (14), and a plurality of the conductive coatings are connected in series in sequence;

and/or the heating part (121) is a conductive coating printed or sprayed on the inner peripheral wall of the inner cylinder (13), and the conductive coatings are connected in series in sequence.

4. The water boiler according to claim 3, wherein the thickness or area of the plurality of conductive coatings is set to be different in size along the extending direction of the inner cylinder (13) or the outer cover (14).

5. The water boiler according to claim 3, characterized in that the heating device (1) further comprises a temperature control (17);

the temperature control part (17) is abutted with the conductive coating and is connected in series in a power supply circuit of the heating element (12).

6. The water boiler according to claim 2, characterized in that a spiral partition (131) is provided between the inner drum (13) and the outer cover (14);

the spiral separation part (131) separates the flow guide water channel (11) to form a spiral water channel which spirally rises along the height direction (H).

7. The water boiler according to claim 6, characterized in that the spiral partition (131) is integrally connected with the inner drum (13) or the outer cover (14).

8. The water boiler according to claim 2, characterized in that the heating device (1) further comprises a water inlet pipe (15) and a water outlet pipe (16);

the inlet tube (15) outlet pipe (16) set up respectively in the inside of inner tube (13), just inlet tube (15) with the bottom of water conservancy diversion water course (11) switches on, outlet pipe (16) with the top of water conservancy diversion water course (11) switches on.

9. The water boiler according to claim 8, further comprising a water outlet head (3) and a water pump (2) arranged inside the inner barrel (13);

the water outlet of the water pump (2) is communicated with the diversion water channel (11) through the water inlet pipe (15);

the water outlet pipe (16) is communicated with the water outlet head (3) through a connecting pipeline.

10. The water boiler according to claim 2, characterized in that the two ends of the inner cylinder (13) and the outer cover (14) are hermetically connected by welding.

11. The water boiler of claim 1, further comprising a circuit board;

the heating device (1) further comprises an electric plug-in pin (18), and the heating device (1) is installed to be electrically connected with the circuit board in a mode that the electric plug-in pin (18) is plugged in the circuit board.