CN211233379U

CN211233379U - Direct current water heating device

Info

Publication number: CN211233379U
Application number: CN201921668842.9U
Authority: CN
Inventors: 董玮利; 俞国新; 陈庆; 李小娇; 李超; 杨少强
Original assignee: State Grid Jiangsu Electric Power Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd; Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Current assignee: State Grid Jiangsu Electric Power Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd; Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-11
Anticipated expiration: 2029-09-30

Abstract

The application relates to a direct current water heating device, including inlet channel and outlet channel, still include: the temperature adjusting pipeline is communicated with the water inlet pipeline and the water outlet pipeline and comprises a first pipe section and a second pipe section which are connected in parallel, and the first pipe section is provided with a first heating device; and the distribution valve is arranged at the communication position of the water inlet pipeline and the temperature adjusting pipeline and/or the communication position of the temperature adjusting pipeline and the water outlet pipeline, and is configured to distribute the water quantity entering the first pipe section and the second pipe section and adjust the water outlet temperature of the temperature adjusting pipeline. This application heats the water that flows into first pipeline section through the pipeline that adjusts the temperature, makes the second pipeline section circulation water that does not heat, through the distribution condition of adjusting the distributing valve, and then adjusts the mixed flow proportion of first pipeline section and second pipeline section to the leaving water temperature that makes the pipeline that adjusts the temperature can be adjusted, and cooperation second heating device forms the two-stage and heaies up, can produce the hot water that has different temperatures.

Description

Direct current water heating device

Technical Field

The application relates to the technical field of household appliances, for example to a direct current water heating device.

Background

Water heating devices are commonly used in everyday life and include many subdivided appliance categories such as water dispensers, water heaters, and the like. Some water heating device are provided with heating device on outlet pipeline at present, heat the water of flowing into outlet pipeline to the realization is to the effect of water instant heating, avoids water to be heated repeatedly. In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the direct current water heating device is inconvenient to adjust the heating temperature of water during heating.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a direct current electric water heating device, which aims to solve the technical problem that the heating temperature of water is inconvenient to adjust when the direct current electric water heating device heats.

In some embodiments, the dc water heating apparatus comprises a water inlet pipeline and a water outlet pipeline, and further comprises: the temperature adjusting pipeline is communicated with the water inlet pipeline and the water outlet pipeline and comprises a first pipe section and a second pipe section which are connected in parallel, and the first pipe section is provided with a first heating device; and the distribution valve is arranged at the communication part of the water inlet pipeline and the temperature adjusting pipeline and/or the communication part of the temperature adjusting pipeline and the water outlet pipeline and is configured to distribute the water quantity entering the first pipe section and the second pipe section and adjust the water outlet temperature of the temperature adjusting pipeline.

The direct current water heating device provided by the embodiment of the disclosure can achieve the following technical effects: the temperature regulating pipeline heats the water flowing into the first pipe section, the second pipe section circulates unheated water, the water quantity entering the first pipe section and the second pipe section can be conveniently regulated by regulating the distribution condition of the distribution valve, and the water outlet temperature of the temperature regulating pipeline is regulated by mixed flow of the water of the first pipe section and the water of the second pipe section, so that the final temperature of the water is regulated.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of a direct current electric water heating device provided in an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a first heating device provided in an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a direct current electric water heating device provided by another disclosed embodiment.

Reference numerals:

1. a water inlet pipeline; 2. a water outlet pipeline; 20. a cooling pipe section; 21. a third tube section; 22. a fourth tube section; 3. a temperature regulating pipeline; 31. a first tube section; 32. a second tube section; 4. a first heating device; 40. a box body; 41. a phase change heat storage material; 42. a fin; 43. heating a tube; 44. a heat-insulating layer; 5. a dispensing valve; 6. a second heating device; 7. a cooling device.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

Fig. 1 is a schematic structural diagram of a direct current electric water heating device provided in an embodiment of the present disclosure. As shown in fig. 1, an embodiment of the present disclosure provides a direct current electric water heating apparatus, including a water inlet pipeline 1 and a water outlet pipeline 2, further including: the temperature adjusting pipeline 3 is communicated with the water inlet pipeline 1 and the water outlet pipeline 2 and comprises a first pipe section 31 and a second pipe section 32 which are connected in parallel, and the first pipe section 31 is provided with a first heating device 4; the distribution valve 5 is arranged at the communication position of the water inlet pipeline 1 and the temperature adjusting pipeline 3, and/or the communication position of the temperature adjusting pipeline 3 and the water outlet pipeline 2, and is configured to distribute the flow of the first pipe section 31 and the second pipe section 32 and adjust the outlet water temperature of the temperature adjusting pipeline 3.

The water body gets into outlet pipe way 2 through the pipeline 3 that adjusts the temperature by inlet pipe way 1, finally discharge by outlet pipe way 2, the water body carries out temperature regulation through the pipeline 3 that adjusts the temperature, the pipeline 3 that adjusts the temperature is through setting up parallelly connected first pipeline section 31 and second pipeline section 32, the water that flows in first pipeline section 31 is heated by first heating device 4, the water that flows in second pipeline section 32 keeps former temperature, form the water that has the uniform temperature after first pipeline section 31 and the confluence of second pipeline section 32, can distribute the water yield proportion that gets into first pipeline section 31 and second pipeline section 32 through adjusting distribution valve 5, thereby realize the temperature regulation to the water after the confluence, and then the final temperature of regulation water.

Optionally, the first heating device 4 is an electric heating device. The water body can be heated through the electric heating device. Optionally, the first heating device 4 is a heat exchange device. The heat exchange with the water body can be realized through the heat exchange device. Optionally, the water inlet line 1 is in communication with a direct current water heating device water tank, a water purification device or a tap water pipe. The water tank is used for storing water, and the water body enters the temperature adjusting pipeline 3 from the water tank through the water inlet pipeline 1 to adjust the temperature. When the water inlet pipeline 1 is communicated with the water purifying device, purified water enters the water inlet pipeline 1, and the temperature can be adjusted through the temperature adjusting pipeline 3; when the water inlet pipeline 1 is communicated with a tap water pipe, the water body can completely enter the first pipe section 31 to be heated by adjusting the distribution valve 5.

The distribution valve 5 is arranged at the communication part of the water inlet pipeline 1 and the temperature adjusting pipeline 3 and/or the communication part of the temperature adjusting pipeline 3 and the water outlet pipeline 2. When the distribution valve 5 is arranged at the communication position of the water inlet pipeline 1 and the temperature adjusting pipeline 3, the flow dividing proportion of the water body can be controlled; when the distribution valve 5 is arranged at the communication part of the temperature adjusting pipeline 3 and the water outlet pipeline 2, the confluence proportion of the water body can be controlled. Alternatively, the distribution valve 5 is a solenoid valve. The water quantity proportion of different pipe sections can be adjusted by adjusting the electromagnetic valve.

Optionally, the water inlet pipeline 1, the water outlet pipeline 2 and the temperature adjusting pipeline 3 are made of food-grade copper pipes or food-grade aluminum pipes. Thus, the cleanness of the water body can be kept.

Fig. 2 is a schematic structural diagram of a first heating device provided in an embodiment of the present disclosure. As shown in fig. 1 and 2, in some embodiments, the first heating device 4 includes: and a tank 40 covering the first pipe section 31 and provided with a phase change heat storage material 41 therein. The phase-change heat storage material 41 stores heat by phase change of the material. Phase change thermal storage can be divided into solid-liquid phase change, liquid-gas phase change and solid-gas phase change. The phase change heat storage material 41 also releases heat through phase change of the material, transferring the heat to the first tube section 31, heating the body of water flowing into the first tube section 31. Alternatively, the phase change heat storage material 41 is a crystalline hydrated salt, a molten salt, paraffin, or a fatty acid. The above substances can realize the storage and release of heat through a phase change process. Alternatively, the crystalline hydrated salt is calcium chloride hexahydrate, sodium sulfate decahydrate, sodium phosphate dodecahydrate, sodium acetate trihydrate, sodium thiosulfate trihydrate, or barium hydroxide octahydrate. The substances have good heat storage and release effects and are suitable for heating water bodies. Optionally, the phase change point of the phase change heat storage material 41 is 40 ℃ to 120 ℃. In this way, the body of water may be heated to a suitable temperature.

Optionally, the material of the box 40 is stainless steel or high temperature resistant plastic. This allows, on the one hand, the tank 40 to withstand the high temperatures inside the tank 40 and, on the other hand, prevents the tank 40 from being corroded by moisture. Optionally, the inner wall of the box 40 is provided with an insulation layer 44. The insulating layer 44 prevents heat inside the case 40 from being dissipated to the outside, so that sufficient heat of the phase change heat storage material 41 is transferred to the first tube section 31. Optionally, the material of the insulation layer 44 is polyurethane, polystyrene foam, expanded polyethylene, or aerogel. The polyurethane, polystyrene foam, foamed polyethylene or aerogel has low heat conductivity coefficient and high temperature resistance, and can prevent the heat inside the box body 40 from being dissipated to the outside.

In some embodiments, the first heating device 4 further comprises: and a fin 42 provided inside the case 40 and connected to a heat source. The heat source transfers heat to the fins 42, and transfers heat to the phase-change heat storage material 41 through the fins 42, thereby improving the heat transfer efficiency to the phase-change heat storage material 41. Optionally, the fins 42 are longitudinally extending. In this way, heat transfer can be performed to the phase change heat storage material 41 at different positions in the longitudinal direction within the case 40. Alternatively, the number of fins 42 is plural and arranged side by side. Thus, the heat transfer efficiency to the phase change heat storage material 41 can be greatly accelerated. Optionally, the fin 42 is made of copper or aluminum. In this way, heat transfer to the phase-change heat storage material 41 is facilitated.

Alternatively, the heat source is a heating pipe 43 disposed inside the case 40. The heating tube 43 can generate heat by itself, and transfer the heat to the fin 42. Optionally, the heating tube 43 is an electrical heating tube 43. Self-heating is achieved by energizing the heating tube 43. Optionally, the power of the heating pipe 43 is 2kW to 8 kW. At this power, the phase change heat storage material 41 can be heated to a suitable temperature by the heating pipe 43 and the fins 42 for heating the water.

In some embodiments, the first tube segment 31 is coil-shaped and the fins 42 are disposed proximate the first tube segment 31. The first pipe section 31 is in a coil shape, and prolongs the retention time of the water body in the first heating device 4, so that the water body can fully absorb heat to raise the temperature. The first tube section 31 is disposed adjacent to the fins 42, so that the first tube section 31 absorbs heat from the fins 42, and the heat exchange effect with the fins 42 is enhanced. Optionally, the first tube segment 31 is formed by a meander. In this way, the path of the first pipe section 31 is extended, so that the water body can sufficiently absorb heat in the first pipe section 31. Optionally, a temperature detection device is further disposed in the box 40. In this way, the temperature of the first heating means 4 can be detected, facilitating the control of the dispensing valve 5.

In some embodiments, the dc water heating apparatus further comprises: and the second heating device 6 is arranged on the water outlet pipeline 2 and is configured to heat the water flow of the water outlet pipeline 2. The second heating means 6 is arranged to heat the body of water flowing through the outlet conduit 2. If the water body is not heated to the required temperature through the temperature adjusting pipeline 3, the supplementary heating can be carried out through the second heating device 6, so that the water temperature reaches the required temperature. Optionally, the second heating means 6 is an electric heating means. The electric heating device can realize the rapid heating of the water body. The heating pressure of the first heating means 4 can be relieved by adjusting the heating power of the second heating means 6.

Fig. 3 is a schematic structural diagram of a direct current electric water heating device provided by another disclosed embodiment. As shown in fig. 3, in some embodiments, the water outlet circuit 2 comprises: and the cooling pipe section 20 is configured to cool the water flow of the water outlet pipeline 2. The cooling pipe section 20 can realize the cooling of water flow by arranging a refrigeration device. The refrigeration device may be a semiconductor refrigeration chip. Optionally, a cooling section 20 is provided downstream of the second heating device 6. Thus, the temperature of the water flow heated by the second heating device is reduced.

Optionally, the cooling pipe section 20 comprises a third pipe section 21 and a fourth pipe section 22 connected in parallel, and the fourth pipe section 22 is provided with the cooling device 7. The temperature reduction device 7 can reduce the temperature of the water flowing into the fourth pipe section 22. The cooling device 7 is used for instantly cooling the water flow so as to make the water flow reach the temperature suitable for use or close to the temperature suitable for use.

Optionally, a distribution valve 5 is provided at the branching and/or merging point of the third and

fourth pipe sections

21, 22. In this way, the ratio of the water volume entering the third section 21 and the fourth section 22 can be adjusted to adjust the temperature of the water exiting the water outlet. Optionally, the cooling device 7 comprises: and the shell is covered outside the fourth tube section 22, and the phase-change cold storage material is arranged inside the shell. The phase-change cold storage material stores cold energy through phase change of the material. Optionally, the phase transition point of the phase transition cold storage material is 10-65 ℃. In this way, the body of water can be brought down to a suitable temperature.

The direct current water heating device is controlled by the direct current electromagnetic valve, is powered by direct current, can be frequently switched on and off, and is higher in reliability and long in service life. Dc solenoid valves are used to control important electrical circuits. In order to realize the rapid and accurate adjustment of the water temperature, the direct current electromagnetic valve can be arranged for accurate control. Optionally, the second heating device 6 is a direct current heating device. Therefore, the heating power can be quickly adjusted by changing the direct current driving voltage, and the temperature can be accurately controlled.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features and/or components, but do not preclude the presence or addition of one or more other features, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

The terms "inner", "outer", and the like, herein indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.

Herein, the term "plurality" means two or more, unless otherwise specified.

Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.

Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

Claims

1. The utility model provides a direct current water heating device, includes inlet channel and outlet channel, its characterized in that still includes:

the temperature adjusting pipeline is communicated with the water inlet pipeline and the water outlet pipeline and comprises a first pipe section and a second pipe section which are connected in parallel, and the first pipe section is provided with a first heating device;

the distribution valve is arranged at the communication position of the water inlet pipeline and the temperature adjusting pipeline, and/or the communication position of the temperature adjusting pipeline and the water outlet pipeline is configured to distribute the water quantity entering the first pipe section and the second pipe section and adjust the water outlet temperature of the temperature adjusting pipeline.

2. Direct current electric water heating device according to claim 1, characterized in that said first heating device comprises:

and the box body covers the outside of the first pipe section, and a phase change heat storage material is arranged inside the box body.

3. The direct current electric water heating apparatus according to claim 2, wherein the first heating apparatus further comprises:

and the fins are arranged inside the box body and are connected with a heat source.

4. The direct current electric water heating apparatus of claim 3, wherein said first tube segment is coil-shaped, and said fins are disposed proximate to said first tube segment.

5. The direct current electric water heating apparatus according to claim 3, wherein the number of the fins is plural and the plural fins are arranged side by side.

6. The direct current electric water heating apparatus according to claim 2, wherein an insulating layer is provided on an inner wall of the case.

7. The direct current electric water heating apparatus according to any one of claims 1 to 6, further comprising:

the second heating device is arranged on the water outlet pipeline and is configured to heat the water flow of the water outlet pipeline.

8. Direct current electric water heating apparatus according to any of claims 1 to 6, wherein said water outlet circuit comprises:

a cooling tube segment configured to cool the water flow of the water outlet pipeline.

9. The direct current electric water heating apparatus according to claim 8, wherein the cooling pipe section comprises a third pipe section and a fourth pipe section connected in parallel, and the fourth pipe section is provided with a cooling device.

10. The direct current electric water heating apparatus according to claim 9, wherein the temperature reducing means comprises:

and the shell is covered outside the fourth pipe section, and a phase change cold storage material is arranged inside the shell.