CN113587697A

CN113587697A - Heat accumulation subassembly and water heater

Info

Publication number: CN113587697A
Application number: CN202010367649.2A
Authority: CN
Inventors: 李建平; 诸雪怡; 李雯; 夏小邓
Original assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-11-02

Abstract

The invention provides a heat storage assembly and a water heater, wherein the heat storage assembly comprises a heat storage part and a first pipeline; the heat storage component comprises a shell and a heat storage material, and the heat storage material is arranged in the shell; at least part of the first pipeline is arranged in the shell. According to the heat storage assembly provided by the invention, when liquid passes through the first pipeline, heat exchange is carried out between the heat storage assembly and the heat storage component, when the temperature of the liquid in the first pipeline is too high, the heat storage material in the heat storage component can absorb the heat of the liquid, and when the temperature of the liquid in the first pipeline is too low, the heat storage material in the heat storage component can release the heat to heat the liquid in the first pipeline, so that the temperature of the liquid is increased, the fluctuation of the temperature of the liquid in the first pipeline is further reduced, and the temperature of the liquid flowing out of the first pipeline is in a constant range.

Description

Heat accumulation subassembly and water heater

Technical Field

The invention relates to the technical field of water heaters, in particular to a heat storage assembly and a water heater.

Background

At present, the gas water heater is water-controlled full-automatic, and the working principle is as follows: and opening a water valve, starting the gas water heater after water passes through a water flow sensor or a water-gas linkage valve, igniting and burning a heating component, and then increasing the water temperature to enable the gas water heater to discharge hot water.

In the related art, when the water flow of the gas water heater is constant, the outlet water temperature is also constant, but when the water pressure changes, the water flow changes, so that the outlet water temperature fluctuates greatly.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, a first aspect of the invention proposes a thermal storage assembly.

A second aspect of the present invention provides a water heater.

In view of this, a first aspect of the present invention provides a heat storage assembly including a heat storage member and a first pipe; the heat storage component comprises a shell and a heat storage material, and the heat storage material is arranged in the shell; at least part of the first pipeline is arranged in the shell.

According to the heat storage assembly provided by the invention, when liquid passes through the first pipeline, heat exchange is carried out between the heat storage assembly and the heat storage component, when the temperature of the liquid in the first pipeline is too high, the heat storage material in the heat storage component can absorb the heat of the liquid, and when the temperature of the liquid in the first pipeline is too low, the heat storage material in the heat storage component can release the heat to heat the liquid in the first pipeline, so that the temperature of the liquid is increased, the fluctuation of the temperature of the liquid in the first pipeline is further reduced, and the temperature of the liquid flowing out of the first pipeline is in a constant range.

In addition, the heat storage assembly in the above technical solution provided by the present invention may further have the following additional technical features:

in one technical scheme of this application, the heat accumulation subassembly still includes the second pipeline, and at least part second pipeline sets up in the casing.

In the technical scheme, the liquid in the second pipeline can exchange heat with the heat storage component; because the heat that comes to the first pipeline is stored in the heat accumulation part, when letting in the lower liquid of temperature in the second pipeline, the heat of storing in the heat accumulation part can be absorbed to the liquid in the second pipeline to the realization preheats the liquid in the first pipeline, and then reduces the required energy of liquid heating to the target temperature in the first pipeline, promotes heating efficiency.

In one technical scheme of this application, the second pipeline includes multirow second heat exchange tube, and multirow second heat exchange tube sets up in the casing, and multirow second heat exchange tube sets up side by side.

In this technical scheme, the second pipeline is provided with multirow second heat exchange tube, and multirow second heat exchange tube sets up side by side, promotes the area of contact of second pipeline and heat accumulation member, and then promotes the heat transfer effect between second pipeline and the heat accumulation member.

In a technical scheme of this application, first pipeline includes the first heat exchange tube of multirow, and the first heat exchange tube of multirow sets up in the casing, and the first heat exchange tube of multirow sets up side by side.

In this technical scheme, first pipeline includes the first heat exchange tube of multirow, and the first heat exchange tube of multirow sets up side by side, promotes the area of contact of first pipeline and heat accumulation part, and then promotes the heat transfer effect between first pipeline and the heat accumulation part.

In one technical scheme of this application, the first heat exchange tube of multirow sets up with multirow second heat exchange tube is crisscross.

In this technical scheme, the first heat exchange tube of multirow sets up with multirow second heat exchange tube is crisscross for the heat accumulation material is heated or releases heat more evenly, and then promotes the heat accumulation ability of heat accumulation part, avoids the heat accumulation material to be heated unevenly because of the part and can't play the effect of heat accumulation.

In one technical scheme of the application, the heat storage assembly further comprises a heat insulation layer, and the heat insulation layer is arranged in the shell and is attached to the shell; or the heat insulation layer is arranged outside the shell and coated on the shell.

In this technical scheme, the heat accumulation subassembly is provided with the heat preservation, and the heat preservation can slow down the scattered and lost speed of the energy that the heat accumulation material stored, and then promotes the heat accumulation effect of heat accumulation part.

In one aspect of the present application, the housing is shaped as a cube.

In this technical scheme, the shape of casing is the cube, has promoted the utilization ratio to the space, and in limited space, the casing can fill more heat accumulation materials, and then has promoted the heat accumulation ability of heat accumulation subassembly.

In a second aspect, the invention provides a water heater comprising a heat storage assembly according to any of the above aspects. Therefore, the water heater has all the advantages of the heat storage assembly of any one of the technical schemes.

In one technical scheme of the application, the water heater further comprises a heat exchange assembly, a first water outlet pipe and a second water outlet pipe, wherein the heat exchange assembly comprises a water storage part; one end of the first water outlet pipe is connected with the water storage component, and the other end of the first water outlet pipe is connected with one end of the first pipeline; the second water outlet pipe is connected with the other end of the first pipeline.

In the technical scheme, water in the water storage component flows into the first pipeline through the first water outlet pipe, and flows out of the second water outlet pipe after heat exchange is completed in the heat storage component.

In one technical scheme of the application, the water heater further comprises a first water inlet pipe and a second water inlet pipe, one end of the first water inlet pipe is connected with the water storage component, and the other end of the first water inlet pipe is connected with one end of the second pipeline; the second water inlet pipe is connected with the other end of the second pipeline.

In this technical scheme, the water source is connected with the second inlet tube, and water flows to the second pipeline through the second inlet tube, carries out the heat exchange with the heat accumulation part in the second pipeline after, flows into in the water storage part by first inlet tube.

In one technical scheme of the application, the water heater further comprises a heating part, a gas pipe and a proportional valve, wherein the heating part is used for heating the water storage part; the gas pipe is connected with the heating part to supply gas to the heating part; the proportional valve is arranged on the gas pipe.

In this technical scheme, the gas mixes the back with the air in the proportional valve, enters into in the heater block through the gas pipe to burn on the heater block, in order to realize the heating to water storage part.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 shows a schematic structural diagram of a water heater according to one embodiment of the present invention;

fig. 2 shows a schematic structural view of a thermal storage assembly according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

100 thermal storage component, 102 thermal storage component, 1022 shell, 1024 thermal storage material, 104 first pipeline, 106 second pipeline, 202 box, 204 heat exchange component, 206 first water outlet pipe, 208 second water outlet pipe, 210 first water inlet pipe, 212 second water inlet pipe, 216 gas pipe, 218 proportional valve, 220 blower, 222 flue.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The thermal storage member and the water heater according to some embodiments of the present invention are described below with reference to fig. 1 and 2.

The first embodiment is as follows:

as shown in fig. 1 and 2, a thermal storage assembly 100 includes a thermal storage member 102 and a first pipe 104; the thermal storage member 102 includes a housing 1022 and a thermal storage material 1024, the thermal storage material 1024 being disposed within the housing 1022; at least a portion of the first conduit 104 is disposed within the housing 1022. When liquid passes through the first pipeline 104, heat exchange is carried out between the first pipeline and the heat storage component 102, when the temperature of the liquid in the first pipeline 104 is too high, the heat storage material 1024 in the heat storage component 102 can absorb the heat of the liquid, and when the temperature of the liquid in the first pipeline 104 is too low, the heat storage material 1024 in the heat storage component 102 can release the heat to heat the liquid in the first pipeline 104, so that the temperature of the liquid is increased, the fluctuation of the temperature of the liquid in the first pipeline 104 is further reduced, and the temperature of the liquid flowing out from the first pipeline 104 is in a constant range.

The thermal storage assembly 100 also includes a second conduit 106, at least a portion of the second conduit 106 being disposed within the housing 1022. The liquid in the second conduit 106 may exchange heat with the thermal storage member 102; because the heat storage component 102 stores heat from the first pipeline 104, when liquid with a lower temperature is introduced into the second pipeline 106, the liquid in the second pipeline 106 can absorb the heat stored in the heat storage component 102, so as to preheat the liquid in the first pipeline 104, thereby reducing the energy required for heating the liquid in the first pipeline 104 to a target temperature and improving the heating efficiency.

The heat storage assembly 100 can be used for a water heater, the first pipeline 104 can be connected with a water outlet of the water heater, and when the water heater firstly feeds hot water into the first pipeline 104, the heat storage part 102 absorbs energy of the hot water in the first pipeline 104 and stores the energy; when the water heater stops being used, the water in the pipeline between the water heater and the heat storage component 100 is cooled due to heat loss; when the water heater is started for the second time, cold water in a pipeline between the water heater and the heat storage assembly 100 flows out after passing through the heat storage component 102, and the heat storage component 102 releases heat to heat the cold water, so that waste caused by low temperature of the cold water is avoided.

Especially for the gas heater, when the water heater is opened for the second time, the time that the water in the water heater is heated is longer, because of the existence of the temperature rise of cutting off water, the temperature of water is higher, and the temperature in the pipeline between water heater and heat accumulation subassembly 100 is lower again, the lower water of temperature can heat up after passing through heat accumulation subassembly 100, the higher water of temperature can cool down after entering into heat accumulation subassembly 100, in order to avoid the user to be scalded, and then avoid the temperature to be suddenly high and suddenly low in a period of time when the water heater is opened for the second time, the stability of temperature has been promoted, and then user's travelling comfort is promoted.

For the water heater needing instantaneous heating, the energy required for heating the water from the first temperature to the second temperature within a preset time is first energy, the water at the first temperature is preheated, then the energy required for heating the water to the second temperature within the preset time is second energy, and the second energy is smaller than the first energy as the heating rate required by the latter is lower than that required by the former; before water is supplied to the water heater, cold water is firstly introduced into the second pipeline 106, the cold water in the second pipeline 106 is preheated by the heat storage assembly 100 and then enters the water heater to be heated to the target temperature, so that the total energy required for heating the cold water to the target temperature can be reduced, the purpose of saving energy is further achieved, the emission of harmful gas is reduced, and the water heater is more environment-friendly.

The heat storage material 1024 is filled outside the first pipe 104, so that the heat storage material 1024 is not in contact with water in the pipe, and the heat storage material 1024 is prevented from affecting water quality. And the heat storage material 1024 is filled in the housing 1022 outside the first pipe 104, and the housing 1022 has a larger space, so that more heat storage material 1024 can be filled, the heat storage effect of the heat storage assembly 100 is improved, the heat storage material 1024 is more concentrated, the heat dissipation speed of the heat storage material 1024 is reduced, and the heat storage material 1024 has a longer heat storage effect.

Further, the heat storage material 1024 is a phase change material, which has a high enthalpy value and a high energy storage density, and can store the heat energy of the hot water passing through the first pipeline 104 in the phase change material. When the phase-change material stores heat to a certain value, the temperature value is kept at a constant temperature. And, when the second pipeline 106 gets into cold water, when the phase change material is passed through, the cold water in the second pipeline 106 can absorb certain heat energy, and the cold water has certain temperature when reaching the water heater, thereby realizing the presetting of the water inlet pipe.

Example two:

as shown in fig. 1 and 2, the first pipeline 104 includes a plurality of rows of first heat exchange pipes, the plurality of rows of first heat exchange pipes are disposed in the housing 1022, and the plurality of rows of first heat exchange pipes are disposed in parallel.

The second tube 106 includes a plurality of rows of second heat exchange tubes disposed in the housing 1022, which are arranged in parallel.

The first heat exchange tubes and the second heat exchange tubes are arranged in a staggered mode.

The first pipe 104 includes a plurality of rows of first heat exchange pipes arranged in parallel, which increases the contact area between the first pipe 104 and the heat storage member 102, and thus increases the heat exchange effect between the first pipe 104 and the heat storage member 102. The second pipe 106 is provided with a plurality of rows of second heat exchange pipes arranged in parallel, which increases the contact area between the second pipe 106 and the heat storage member 102, and thus increases the heat exchange effect between the second pipe 106 and the heat storage member 102. The multiple rows of first heat exchange tubes and the multiple rows of second heat exchange tubes are arranged in a staggered manner, so that the heat storage material 1024 is heated or releases heat more uniformly, the heat storage capacity of the heat storage part 102 is improved, and the problem that the heat storage material 1024 cannot store heat due to uneven local heating is avoided.

Furthermore, the adjacent first heat exchange tubes are connected end to end, and the adjacent second heat exchange tubes are connected end to end.

Example three:

as shown in fig. 1 and 2, the thermal storage assembly 100 further includes an insulating layer. The insulating layer may be disposed inside the housing 1022 and attached to the housing 1022. The insulating layer may also be disposed outside the housing 1022 and cover the housing 1022. The heat storage component 100 is provided with a heat insulation layer, which can slow down the dissipation speed of the energy stored in the heat storage material 1024, thereby improving the heat storage effect of the heat storage member 102.

Example four:

as shown in fig. 1 and 2, the housing 1022 is shaped as a cube. The first pipeline 104 and the second pipeline 106 are distributed in the shell 1022, and the heat storage material 1024 filled in the shell 1022 can be uniformly distributed around the first pipeline 104 and the second pipeline 106, so that the heat storage material 1024 is heated more uniformly; and the shape of the housing 1022 is a cube, which improves the utilization rate of space, and in a limited space, the housing 1022 may be filled with more heat storage materials 1024, thereby improving the heat storage capacity of the heat storage assembly 100.

Example five:

as shown in fig. 1 and 2, a water heater includes a heat storage assembly 100 according to any one of the embodiments described above. Therefore, the water heater has all the advantages of the heat storage module 100 of any one of the above embodiments.

Further, as shown in fig. 1 and fig. 2, the water heater further includes a heat exchange assembly 204, a first water outlet pipe 206 and a second water outlet pipe 208, wherein the heat exchange assembly 204 includes a water storage component; one end of the first water outlet pipe 206 is connected with the water storage component, and the other end of the first water outlet pipe 206 is connected with one end of the first pipeline 104; a second outlet pipe 208 is connected to the other end of the first pipe 104. The water in the water storage part flows into the first pipe 104 through the first water outlet pipe 206, and after heat exchange is completed in the heat storage part 102, flows out through the second water outlet pipe 208.

Further, as shown in fig. 1 and 2, the water heater further includes a first water inlet pipe 210 and a second water inlet pipe 212, wherein one end of the first water inlet pipe 210 is connected to the water storage component, and the other end is connected to one end of the second pipeline 106; a second inlet pipe 212 is connected to the other end of the second pipe 106. The water source is connected to the second water inlet pipe 212, and the water flows into the second pipe 106 through the second water inlet pipe 212, exchanges heat with the thermal storage member 102 in the second pipe 106, and then flows into the water storage member through the first water inlet pipe 210.

Further, as shown in fig. 1 and 2, the water heater further includes a heating element for heating the water storage element, a gas pipe 216 and a proportional valve 218; the gas pipe 216 is connected to the heating part to supply gas to the heating part; the proportional valve 218 is disposed on the gas pipe 216. After being mixed with air in the proportional valve 218, the fuel gas enters the heating part through the fuel gas pipe 216 and is combusted on the heating part, so that the water storage part is heated.

Further, as shown in fig. 1 and 2, the water heater is a gas water heater, the heating element is a burner, the burner heats the water storage element, a blower 220 is arranged below the burner, and the blower 220 blows air to the burner, so that the burner can be fully combusted, and the burner is prevented from generating toxic and harmful gases such as carbon monoxide.

Further, the water storage part is a water tank or a water pipe.

Further, as shown in fig. 1 and fig. 2, the water heater further includes a tank 202, the heat storage assembly 100, the heat exchange assembly 204, the first water outlet pipe 206, the second water outlet pipe 208, the first water inlet pipe 210 and the second water inlet pipe 212 are all disposed in the tank 202, and the heat storage component 102 is located below the heat exchange assembly 204; one end of the second water inlet pipe 212 extends out of the box 202 and is connected with a water source, and the other end of the second water inlet pipe 212 is connected with the second pipeline 106; one end of the second water outlet pipe 208 extends out of the box 202 and can be connected with a shower head, and the other end of the second water outlet pipe 208 is connected with the first pipeline 104; above the burner, a flue 222 is provided for discharging the gas generated by the burner.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermal storage assembly, comprising:

a heat storage member including a case and a heat storage material, the heat storage material being provided in the case;

the first pipeline, at least part of the first pipeline sets up in the casing.

2. The thermal storage assembly of claim 1, further comprising:

and at least part of the second pipeline is arranged in the shell.

3. The thermal storage assembly of claim 2, wherein the second conduit comprises:

and the multiple rows of second heat exchange tubes are arranged in the shell and arranged in parallel.

4. The thermal storage assembly of claim 3, wherein the first conduit comprises:

the first heat exchange pipeline of multirow sets up in the casing, the first heat exchange pipe of multirow sets up side by side.

5. The thermal storage assembly of claim 4,

the first heat exchange tubes of the multiple rows and the second heat exchange tubes of the multiple rows are arranged in a staggered mode.

6. The thermal storage assembly according to any one of claims 1 to 5, further comprising:

the heat insulation layer is arranged in the shell and is attached to the shell; or

The heat insulation layer is arranged outside the shell and coated on the shell.

7. The thermal storage assembly according to any one of claims 1 to 5,

the shape of the shell is a cube.

8. A water heater comprising a thermal storage assembly as claimed in any one of claims 1 to 7.

9. The water heater of claim 8, further comprising:

a heat exchange assembly including a water storage component;

one end of the first water outlet pipe is connected with the water storage component, and the other end of the first water outlet pipe is connected with one end of the first pipeline;

and the second water outlet pipe is connected with the other end of the first pipeline.

10. The water heater of claim 9, further comprising:

one end of the first water inlet pipe is connected with the water storage component, and the other end of the first water inlet pipe is connected with one end of the second pipeline;

and the second water inlet pipe is connected with the other end of the second pipeline.

11. The water heater of claim 9 or 10, further comprising:

a heating part for heating the water storage part;

a gas pipe connected with the heating part to supply gas to the heating part;

the proportional valve is arranged on the gas pipe.