CN104110835B - Electric heater - Google Patents
Electric heater Download PDFInfo
- Publication number
- CN104110835B CN104110835B CN201410143688.9A CN201410143688A CN104110835B CN 104110835 B CN104110835 B CN 104110835B CN 201410143688 A CN201410143688 A CN 201410143688A CN 104110835 B CN104110835 B CN 104110835B
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- Prior art keywords
- end cover
- heat
- water heater
- control box
- electric
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- 238000009413 insulation Methods 0.000 claims abstract description 48
- 239000004964 aerogel Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 238000012423 maintenance Methods 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract 2
- 238000004321 preservation Methods 0.000 description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Packages (AREA)
Abstract
The invention discloses a kind of electric heater, including：Shell, inner bag, heat-insulation layer and electric-controlled box.Inner bag is located in shell and packing space is provided between shell.Heat-insulation layer is filled in packing space.Electric-controlled box is located between inner bag and shell, and aerogel heat-insulating felt is filled with electric-controlled box.Electric heater according to embodiments of the present invention, by filling aerogel heat-insulating felt in electric-controlled box, scattered and disappeared so as to reduce the heat of electric-controlled box, and the heat-insulating property of aerogel heat-insulating felt does not decay in high humidity environment, and then the integral heat insulation performance of electric heater is improved, reduce the energy consumption of electric heater.And because insulation layer thickness and other mould structure designs do not change, therefore electric heater is reasonable in design, cost increase is not high.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an electric water heater.
Background
With the improvement of the energy-saving standard of related household appliances in China, the energy-saving requirement of the electric water heater is higher and higher, and the energy consumption of the electric water heater is directly determined by the heat-insulating performance of the electric water heater.
In the electric water heater disclosed in the related art, the heat loss at the electric control box is large, and particularly in a medium-high-end machine type, the heat dissipation capacity of the electric control box is large due to the fact that a large number of circuit elements are arranged in the electric control box, so that the electric water heater is large in heat loss and large in energy consumption.
Disclosure of Invention
The present invention is directed to at least solving the problems of the prior art. Therefore, the invention aims to provide the electric water heater which is reasonable in structural design and excellent in overall heat insulation performance.
The electric water heater according to the embodiment of the invention comprises: a housing; the inner container is arranged in the shell, and a filling space is arranged between the inner container and the shell; the heat insulation layer is filled in the filling space; the electric control box is arranged between the inner container and the shell, and aerogel heat insulation felt is filled in the electric control box.
According to the electric water heater provided by the embodiment of the invention, the aerogel heat-insulating felt is filled in the electric control box, so that the heat loss of the electric control box is reduced, the heat-insulating performance of the aerogel heat-insulating felt is not attenuated in a high-humidity environment, the overall heat-insulating performance of the electric water heater is further improved, and the energy consumption of the electric water heater is reduced. And because the thickness of the heat-insulating layer and the structural design of other moulds are not changed, the electric water heater has reasonable structural design and low cost rise.
In addition, the electric water heater according to the invention may also have the following additional technical features:
in some embodiments of the invention, the electrical control box comprises: a box body; the temperature limiter and the temperature controller are used for limiting the temperature, the temperature limiter and the temperature controller are respectively arranged in the box body, and the aerogel heat insulation felt is filled between the temperature limiter, the temperature controller and the inner wall of the box body.
Specifically, the aerogel thermal insulation blanket is externally wrapped with a sealing package. Therefore, the aerogel heat insulation felt is sealed, the durability of the aerogel heat insulation felt is improved, and the electric control box can keep warm for a long time.
Optionally, the sealed package is aluminum foil paper. Thereby further reducing the heat dissipation of the electric control box.
In some embodiments of the present invention, a left housing end cover and a right housing end cover are respectively disposed at two ends of the housing, a left liner end cover and a right liner end cover are respectively disposed at two ends of the liner, and the electric control box is disposed between the left housing end cover and the left liner end cover, or between the right housing end cover and the right liner end cover.
Specifically, the electric control box is arranged between the shell right end cover and the inner container right end cover.
Furthermore, a maintenance opening is formed in the right end cover of the shell, and the maintenance opening corresponds to the position of the electronic control box. Therefore, the electric control box can be detected or replaced from the maintenance opening, and the electric water heater is convenient to maintain.
Further, the service opening is closed by a service cover. Therefore, the shell can be sealed by the maintenance cover, so that water vapor outside the electric water heater is prevented from entering the electric control box, and performance reduction caused by moisture of components in the electric control box is avoided. And the reduction of the heat preservation performance after the heat preservation layer and the electric control box absorb water vapor is avoided.
Preferably, the electric control box is connected with the inner container through a flange.
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 is a schematic structural diagram of an electric water heater according to an embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of an electric water heater according to an embodiment of the present invention.
Reference numerals:
an electric water heater 100,
An inner container 1, a left end cover 101 of the inner container, a right end cover 102 of the inner container,
A shell 2, a shell left end cover 201, a shell right end cover 202, a maintenance opening 203, a maintenance cover 204,
A filling space 3, a heat-insulating layer 4,
An electric control box 5, a box body 51, a temperature limiter 52, a temperature controller 53, an aerogel heat insulation felt 54, a sealing package 55,
A water inlet pipe 61, a water outlet pipe 62, a magnesium rod 63, a heater 64, a flange 65,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An electric water heater 100 according to an embodiment of the present invention is described below with reference to fig. 1-2.
An electric water heater 100 according to an embodiment of the present invention, as shown in fig. 1, includes: the electric control box comprises a shell 2, an inner container 1, a heat preservation layer 4 and an electric control box 5. The inner container 1 is arranged in the shell 2 and a filling space 3 is arranged between the inner container 1 and the shell 2, the heat-insulating layer 4 is filled in the filling space 3, and the electric control box 5 is arranged between the inner container 1 and the shell 2.
As shown in fig. 2, since the thermal insulation and heat-shielding performance of the aerogel thermal insulation felt material are both excellent, the aerogel thermal insulation felt 54 is filled in the electric control box 5, so that the thermal insulation and heat-shielding performance of the electric control box 5 is improved, and the heat loss of the water heater 100 at the electric control box 5 is reduced. Moreover, since the aerogel heat insulation blanket 54 has a certain hydrophobicity, the heat insulation performance of the aerogel heat insulation blanket 54 is not attenuated even in a high humidity environment, so that the overall heat insulation performance of the electric control box 5 is maintained.
By improving the heat preservation and heat insulation performance of the electric control box 5, the heat loss at the position is reduced, the overall heat preservation performance of the electric water heater 100 is further improved, and the energy consumption of the electric water heater 100 is reduced. For example, in one particular example of the present invention, the electric water heater 100 may increase the energy efficiency by 1-2 levels. At this time, other structures of the electric water heater 100 are not changed, and the thickness of the insulating layer 4 is also not changed, that is, other mold structural designs of the electric water heater 100 are not changed, so the electric water heater 100 has a reasonable structural design, and the cost is not increased.
Optionally, the heat insulation layer 4 is a polyurethane heat insulation layer, the thermal conductivity of the heat insulation layer 4 is 17-20mW/m · K, and the thermal conductivity of the aerogel heat insulation mat 54 is 16-20mW/m · K, at this time, the thermal conductivity of the aerogel heat insulation mat 54 is close to the thermal conductivity of the heat insulation layer 4, so that the overall heat insulation effect of the electric water heater 100 is uniform.
Further, as shown in fig. 1, the electric water heater 100 further includes a magnesium rod 63, a water inlet pipe 61, a water outlet pipe 62 and a heater 64, one end of the magnesium rod 63, one end of the water inlet pipe 61, one end of the water outlet pipe 62 and one end of the heater 64 extend into the inner container 1 respectively, the other end of the magnesium rod 63 extends into the filling space 3 through the inner container 1, the other end of the water inlet pipe 61 and the other end of the water outlet pipe 62 extend out of the outer shell 2 through the inner container 1 and the insulating layer 4 respectively, and the other end of the heater 64 is. Wherein, inlet tube 61 and outlet pipe 62 all adopt the pipe fitting that has the electricity wall function of preventing. It should be noted that the working principle of the magnesium rod 63, the water inlet pipe 61, the water outlet pipe 62 and the heater 64, and the structure and principle of the pipe fitting with the electricity-proof wall function, etc. are all the prior art, and will not be described in detail here.
According to the electric water heater 100 disclosed by the embodiment of the invention, the aerogel heat insulation felt 54 is filled in the electric control box 5, so that the heat loss of the electric control box 5 is reduced, the heat insulation performance of the aerogel heat insulation felt 54 is not attenuated in a high-humidity environment, the overall heat insulation performance of the electric water heater 100 is further improved, and the energy consumption of the electric water heater 100 is reduced. And because the thickness of the heat-insulating layer 4 and the structural design of other moulds are not changed, the electric water heater 100 has reasonable structural design and low cost rise.
In some embodiments of the present invention, as shown in fig. 2, the electrical control box 5 includes a box body 51, and a temperature limiter 52 and a temperature controller 53 for limiting temperature, the temperature limiter 52 and the temperature controller 53 being respectively provided in the box body 51, wherein an aerogel insulation blanket 54 is filled between the temperature limiter 52, the temperature controller 53 and an inner wall of the box body 51. It should be noted that the structures, principles, and the like of the temperature limiter 52 and the temperature controller 53 are conventional technologies, and will not be described in detail here.
It should be understood that the electrical control box 5 further includes other components such as a circuit board (not shown), and the aerogel thermal insulation blanket 54 should be filled between the temperature limiter 52, the temperature controller 53, other components and the inner wall of the box body 51. It should be noted that the types of components in the electrical control box 5 are determined by the actual requirements of the electric water heater 100, and are not limited in particular.
In some specific examples of the present invention, the temperature limiter 52 and the temperature controller 53 are respectively fixed on the left sidewall of the box body 51, the temperature limiter 52 and the temperature controller 53 are disposed at an interval, the temperature limiter 52 and the right sidewall of the box body 51 are disposed at an interval, and the temperature controller 53 and the right sidewall of the box body 51 are also disposed at an interval, at this time, the outer periphery of the temperature limiter 52 except the left side is wrapped by the aerogel thermal insulation blanket 54, and the outer periphery of the temperature controller 53 except the left side is wrapped by the aerogel thermal insulation blanket 54.
Of course, the present invention is not limited thereto, and for example, as shown in fig. 2, the aerogel insulation blanket 54 may be formed as a flat plate member, and the aerogel insulation blanket 54 is located in a space defined between the temperature limiter 52, the thermostat 53, and the right sidewall of the case 51.
Further, the aerogel heat insulation blanket 54 is externally wrapped with a sealing pack 55, so as to seal the aerogel heat insulation blanket 54, improve the durability of the aerogel heat insulation blanket 54, and enable the electric control box 5 to keep warm for a long time.
Alternatively, the sealed package 55 may be plastic paper or aluminum foil, etc., and of course, the sealed package 55 may also be other material pieces, which are not limited herein.
Preferably, the aluminum foil paper is used for the sealed package 55, so that the heat dissipation of the electronic control box 5 is further reduced, because the aluminum foil paper can reflect the radiant heat, so that the heat insulation performance of the sealed package 55 is excellent.
In some embodiments of the present invention, as shown in fig. 1, a left housing end cover 201 and a right housing end cover 202 are respectively disposed at two ends of the housing 2, and a left liner end cover 101 and a right liner end cover 102 are respectively disposed at two ends of the liner 1.
In the example shown in fig. 1, the liner 1 is formed into a substantially cylindrical shape, the central axis of the liner 1 is horizontally arranged along the left-right direction, and the left and right end faces of the liner 1 are respectively formed into arc surfaces, that is, the outer surfaces of the liner left end cover 101 and the liner right end cover 102 are respectively arc surfaces. Alternatively, the outer surfaces of the liner left end cover 101 and the liner right end cover 102 are respectively formed as arc surfaces extending in directions away from each other. The housing 2 is also formed in a substantially cylindrical shape, and the housing 2 is disposed coaxially with the liner 1. Of course, the embodiment of the present invention is not limited thereto, and the housing 2 and the liner 1 may also be formed in other shapes, which is not limited herein.
The electric control box 5 can be arranged between the shell left end cover 201 and the liner left end cover 101, and the electric control box 5 can also be arranged between the shell right end cover 202 and the liner right end cover 102. The electronic control box 5 can also be arranged at other positions, and is not limited herein.
In the example shown in fig. 1 and 2, the electronic control box 5 is arranged between the right end cover 202 of the outer casing and the right end cover 102 of the inner container, and at this time, the right end cover 202 of the outer casing is provided with a maintenance opening 203, wherein the maintenance opening 203 corresponds to the position of the electronic control box 5. Thus, the electrical control box 5 can be detected or replaced from the maintenance opening 203, thereby facilitating maintenance of the electric water heater 100.
Specifically, the maintenance opening 203 is formed as a through hole penetrating in the thickness direction of the housing right end cover 202, whereby the maintenance opening 203 is simple in structure and easy to process. More specifically, the shape of the maintenance opening 203 is substantially the same as the projection shape of the electronic control box 5 on the housing right end cover 202.
Further, the service opening 203 is closed by a service cover 204, that is, the electric water heater 100 further includes the service cover 204, and the service cover 204 is provided on the housing right end cover 202 to open or close the service opening 203. Therefore, the housing 2 can be sealed by the maintenance cover 204, so that moisture outside the electric water heater 100 is prevented from entering the electric control box 5, and performance degradation caused by moisture of components in the electric control box 5 is further prevented. And the reduction of the heat preservation performance after the heat preservation layer 4 and the electric control box 5 absorb water vapor is avoided.
Optionally, the right surface of the aerogel insulation blanket 54 is fixedly attached to the service cover 204, whereby when the service cover 204 is opened, the aerogel insulation blanket 54 is also removed from the box body 51, thereby facilitating the maintenance of the electrical control box 5.
In one embodiment of the present invention, as shown in fig. 1 and fig. 2, the electrical control box 5 is connected to the inner container 1 through a flange 65, that is, the electric water heater 100 further includes a flange 65, and the flange 65 is disposed between the inner container 1 and the electrical control box 5. Specifically, a flange 65 is arranged on the outer surface of the right end cover 102 of the liner, the central axis of the flange 65 is overlapped with the central axis of the liner 1, and the heater 64 is fixed on the flange 65.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean 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 invention. In this specification, 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. An electric water heater, comprising:
a housing;
the inner container is arranged in the shell, and a filling space is arranged between the inner container and the shell;
the heat insulation layer is filled in the filling space;
the electric control box is arranged between the inner container and the outer shell, and aerogel heat insulation felt is filled in the electric control box; wherein, automatically controlled box includes:
a box body;
the temperature limiter and the temperature controller are respectively arranged in the box body, and the aerogel heat insulation felt is filled among the temperature limiter, the temperature controller and the inner wall of the box body; wherein,
the heat-insulating layer is a polyurethane heat-insulating layer, the heat conductivity coefficient of the heat-insulating layer is 17-20 mW/m.K, and the heat conductivity coefficient of the aerogel heat-insulating felt is 16-20 mW/m.K.
2. The electric water heater of claim 1, wherein the aerogel insulation blanket is externally wrapped with a sealed package.
3. The electric water heater of claim 2, wherein the sealed package is aluminum foil paper.
4. The electric water heater according to any one of claims 1-3, wherein a left end cover and a right end cover of the outer shell are respectively arranged at two ends of the outer shell, a left end cover and a right end cover of the inner container are respectively arranged at two ends of the inner container,
the electric control box is arranged between the shell left end cover and the inner container left end cover or between the shell right end cover and the inner container right end cover.
5. The electric water heater according to claim 4, wherein the electrical control box is disposed between the right end cover of the outer shell and the right end cover of the inner container.
6. The electric water heater according to claim 5, wherein the right end cover of the housing is provided with a maintenance opening, wherein the maintenance opening corresponds to the position of the electric control box.
7. The electric water heater according to claim 6, wherein the service opening is closed by a service cover.
8. The electric water heater of claim 1, wherein the electrical control box is connected to the inner container by a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143688.9A CN104110835B (en) | 2014-04-10 | 2014-04-10 | Electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143688.9A CN104110835B (en) | 2014-04-10 | 2014-04-10 | Electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104110835A CN104110835A (en) | 2014-10-22 |
| CN104110835B true CN104110835B (en) | 2017-11-14 |
Family
ID=51707735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410143688.9A Active CN104110835B (en) | 2014-04-10 | 2014-04-10 | Electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104110835B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819559B (en) * | 2015-05-15 | 2017-08-29 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its control method |
| US11493233B2 (en) * | 2016-09-26 | 2022-11-08 | Stone Aerospace, Inc. | Direct high voltage water heater |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456101Y (en) * | 2000-12-29 | 2001-10-24 | 李国伟 | External electric water heater |
| CN2879015Y (en) * | 2005-05-31 | 2007-03-14 | 美的集团有限公司 | Electric water heater with anion generator |
| CN201532001U (en) * | 2009-09-25 | 2010-07-21 | 贺国平 | Water storage quick-heating electromagnet water heater |
| CN101852486A (en) * | 2009-04-03 | 2010-10-06 | 海尔集团公司 | Water storage type electric water heater |
| CN102032663A (en) * | 2009-09-24 | 2011-04-27 | 海尔集团公司 | Water heater |
| CN203824060U (en) * | 2014-04-10 | 2014-09-10 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
-
2014
- 2014-04-10 CN CN201410143688.9A patent/CN104110835B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2456101Y (en) * | 2000-12-29 | 2001-10-24 | 李国伟 | External electric water heater |
| CN2879015Y (en) * | 2005-05-31 | 2007-03-14 | 美的集团有限公司 | Electric water heater with anion generator |
| CN101852486A (en) * | 2009-04-03 | 2010-10-06 | 海尔集团公司 | Water storage type electric water heater |
| CN102032663A (en) * | 2009-09-24 | 2011-04-27 | 海尔集团公司 | Water heater |
| CN201532001U (en) * | 2009-09-25 | 2010-07-21 | 贺国平 | Water storage quick-heating electromagnet water heater |
| CN203824060U (en) * | 2014-04-10 | 2014-09-10 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
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| Publication number | Publication date |
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| CN104110835A (en) | 2014-10-22 |
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Effective date of registration: 20221220 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |
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