CN216080339U - a water heater - Google Patents
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- CN216080339U CN216080339U CN202121142303.9U CN202121142303U CN216080339U CN 216080339 U CN216080339 U CN 216080339U CN 202121142303 U CN202121142303 U CN 202121142303U CN 216080339 U CN216080339 U CN 216080339U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 253
- 238000010438 heat treatment Methods 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 38
- 238000002485 combustion reaction Methods 0.000 description 14
- 230000002349 favourable effect Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- -1 iron-chromium-aluminum Chemical compound 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
本实用新型涉及家用电器技术领域，尤其涉及一种热水器。该热水器包括：燃气加热机构，包括外壳、储水胆及燃烧器，所述储水胆设置于所述外壳内且所述储水胆上设置有热水出口，所述燃烧器设置于所述储水胆与所述外壳之间，所述燃烧器用于加热储水胆；电即热机构，所述电即热机构上设置有进口和出口，所述进口能与所述热水出口连通，所述出口用于连接用水端。燃气加热机构兼备储水和换热功能，在采用燃气作为能源的基础上，取消了传统燃气热水器中的换热器和水盘管，使燃气加热机构的体积小；燃气作为能源，不仅成本低，而且能够持续平稳供热，有利于维持储水胆内水温恒定；通过设置电即热机构，实现即开即热功能。
The utility model relates to the technical field of household appliances, in particular to a water heater. The water heater includes: a gas heating mechanism, including a casing, a water storage tank and a burner, the water storage tank is arranged in the outer casing and a hot water outlet is arranged on the water storage tank, and the burner is arranged in the Between the water storage tank and the outer shell, the burner is used to heat the water storage tank; the electric instant heating mechanism is provided with an inlet and an outlet, and the inlet can be communicated with the hot water outlet, The outlet is used to connect the water end. The gas heating mechanism has both water storage and heat exchange functions. On the basis of using gas as an energy source, the heat exchanger and water coil in the traditional gas water heater are cancelled, so that the gas heating mechanism is small in size; as an energy source, not only the cost is low , and can continuously and steadily supply heat, which is conducive to maintaining a constant water temperature in the water storage tank; by setting an electric instant heating mechanism, the instant heating function is realized.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a water heater.
Background
Gas water heaters and electric water heaters are two common water heaters. The gas water heater has the characteristics of instant heating, small volume and low cost, and also has the defects of inconstant water temperature, high noise and inflexible installation; the electric water heater has the advantage of constant water temperature, and also has the defects of large volume, scale, slow heating and large standby power consumption.
Therefore, there is a need for a water heater that combines an electric water heater and a gas water heater, retains the advantages of the electric water heater and the gas water heater, and eliminates the disadvantages of the electric water heater and the gas water heater.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water heater which has the advantages of instant heating, constant water temperature and low use cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water heater, comprising:
the gas heating mechanism comprises a shell, a water container and a burner, wherein the water container is arranged in the shell, a hot water outlet is formed in the water container, the burner is arranged between the water container and the shell, and the burner is used for heating the water container;
the electric instant heating mechanism is provided with an inlet and an outlet, the inlet can be communicated with the hot water outlet, and the outlet is used for connecting a water end.
Wherein, the combustor is annular and is located outside the water container.
Wherein, the combustor with the water storage container coaxial setting.
Wherein, the fire outlet of combustor is towards the water container, the flame of combustor with the water container contact.
Wherein the combustor is a fully premixed combustor.
Wherein, the water heater still includes:
and a hot water outlet of the water storage liner can be selectively communicated with the inlet or one end of the straight-through pipeline, and the other end of the straight-through pipeline is used for connecting a water using end.
Wherein, the water heater still includes:
the temperature detection component is used for detecting the water temperature at a hot water outlet of the water storage liner; and
and the valve assembly is in communication connection with the temperature detection assembly and is used for controlling the hot water outlet to be communicated with the inlet or one end of the straight-through pipeline according to the detection result of the temperature detection assembly.
Wherein fins are arranged on the outer wall and/or the inner wall of the water storage container; or
And the outer wall and/or the inner wall of the water storage container are/is provided with an outer convex structure and/or an inner concave structure.
Wherein the outer wall of the shell is covered with a heat insulation layer;
the thermal insulation layer is made of foamed ceramic material.
The electric instant heating mechanism is arranged on the gas heating mechanism or is arranged in a split manner with the gas heating mechanism.
The utility model has the beneficial effects that:
in the water heater provided by the utility model, the burner is arranged between the shell and the water container and directly heats the water container, so that the gas heating mechanism has the functions of water storage and heat exchange, and on the basis of adopting gas as energy, a heat exchanger and a water coil pipe in the traditional gas water heater are eliminated, so that the volume of the gas heating mechanism is small; the gas is used as energy, so that the cost is low, the heat can be continuously and stably supplied, and the constant water temperature in the water storage container is favorably maintained; through setting up electric instant heating mechanism, can pass through electric energy rapid heating when the water heater is started or little water yield uses, realize opening instant heating function promptly.
In this water heater, gas heating mechanism uses with the cooperation of electricity instant heating mechanism to gas heating is given first place to, and the electrical heating is assisted, can realize mutually supporting complementally when standby, start and big or small water yield use, realizes that the temperature is invariable, the noise is low, the expense is low, small user experience.
Drawings
Fig. 1 is a schematic structural diagram of a water heater provided by the utility model.
In the figure:
1. a gas heating mechanism; 11. a housing; 12. a water storage tank; 111. a hot water outlet; 112. a cold water inlet; 2. an electric instant heating mechanism; 3. a straight pipeline; 4. and a temperature detection component.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; 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.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a water heater including a gas heating mechanism 1 and an electric instant heating mechanism 2. The gas heating mechanism 1 comprises a shell 11, a water container 12 and a burner, wherein the water container 12 is arranged in the shell 11, a hot water outlet 111 is formed in the water container 12, the burner is arranged between the water container 12 and the shell 11, and the burner is used for heating the water container 12. The electric instant heating mechanism 2 is provided with an inlet and an outlet, the inlet can be communicated with the hot water outlet 111, and the outlet is used for connecting a water using end.
In the water heater, the burner is arranged between the shell 11 and the water container 12 and directly heats the water container 12, so that the gas heating mechanism 1 has water storage and heat exchange functions, a heat exchanger and a water coil pipe in the traditional gas water heater are eliminated on the basis of adopting gas as energy, and the structure of the gas heating mechanism 1 is similar to that of an electric water heater, so that the volume of the gas heating mechanism 1 is small.
The gas is as the heating energy, and is not only with low costs, can last steady heat supply moreover, is favorable to maintaining the temperature of water invariable in the inner bag 12, avoids the user water to appear the problem of suddenly cold suddenly hot to improve user's use and experience.
Still be provided with electric instant heating mechanism 2 in this water heater, electric instant heating mechanism 2 is as auxiliary heating mechanism, can start when the water heater is started or little water yield uses, through electric energy rapid heating temperature, realizes opening instant heating function promptly.
Specifically, after cold water enters the water container 12 until the water container 12 is full, the water heater enters a standby state. When the water heater works, cold water firstly enters the electric instant heating mechanism 2 from the hot water outlet 111 of the water storage container 12, and the cold water is heated to a required specified temperature by the electric instant heating mechanism 2, then is stored for a user to use, and realizes the instant heating function. At the same time, the burner is started and the water in the water container 12 is heated by gas combustion. When the water temperature in the water container 12 rises to the required designated temperature, the electric instant heating mechanism 2 is closed, the water heater supplies hot water through the gas heating mechanism 1, and the gas heating mechanism 1 continuously and stably supplies heat for the water in the water container 12 through gas combustion so as to stabilize the water temperature in the water container 12 at a certain temperature.
In this embodiment, through the cooperation of gas heating mechanism 1 and electric instant heating mechanism 2 for the water heater uses gas heating to give first place to, and electric heating is for assisting, can realize mutually supporting complementally when standby, start and big or small water yield use, realizes that the temperature is invariable, the noise is low, the expense is low, small user experience.
For example, taking the full capacity of the water container 12 as 10L, the burner may heat the water in the water container 12 to about 50 ℃ after the electric heating module operates for about 6 minutes. Then, the electric instant heating module is closed, heat is supplied to the water in the water storage container 12 through the burner, and the temperature of the water in the water storage container 12 is maintained at about 50 ℃.
In the process of using water by the user, a certain amount of hot water is always kept in the water storage container 12, and cold water is introduced. In order to keep the temperature of water in the water container 12 constant, the gas heating mechanism 1 can maintain the temperature of water in the water container 12 stable by controlling the ratio of the water storage amount of hot water and the water intake amount of cold water. Compared with the method that the temperature of water in the water storage container 12 is stable by controlling the flame of the burner, the method is simple, the burner does not need to be started frequently, energy is saved, and the noise is low.
Further, the burner is annular and is sleeved outside the water container 12. Through setting up the combustor into the annular, can install by make full use of the space between shell 11 and the inner water container 12, and can increase the effective heating area of combustor to inner water container 12, be favorable to improving the homogeneity of heating efficiency and temperature rise to heat the water in the inner water container 12 more evenly.
In addition, the annular combustor is favorable to reducing the radial dimension requirement of combustor to the clearance between shell 11 and the inner container 12, is favorable to reducing the distance between shell 11 and the inner container 12 to reduce the volume of gas heating mechanism 1, and then reduce the whole volume of water heater.
Further, the annular burner can be arranged coaxially with the water container 12, which is beneficial to uniform heating.
In other embodiments, the burner may have other structures, such as a spherical shape or a square shape, and the specific shape may be set according to actual needs.
In this embodiment, the nested arrangement of the outer shell 11 and the water storage container 12 and the arrangement of the burner between the outer shell 11 and the water storage container 12 can eliminate the limitation of the existing gas water heater structure on the appearance, so that the water heater in this embodiment can adopt a brand-new appearance, such as an irregular shape like a sphere, an ellipse, a cylinder or a flat shape, a concave shape, etc., and can provide a brand-new appearance experience for a user and also can be customized for the individual needs of the user.
For further improving heating efficiency, the fire outlet of the burner is arranged towards the water container 12, and the flame of the burner can be directly contacted with the water container 12 to heat the water container 12 in a heat conduction manner. Compare rethread air radiation heating water storage container 12 behind the flame heating air, the heat need not air or middle heat exchanger carries out the heat conduction in this embodiment, and heat exchange efficiency is higher, and the heat utilization is more abundant.
In addition, because of flame direct heating water storage container 12, compare traditional combustor and need not carry out the heat transfer through the flue gas condensation, the flue gas need not condense, and no comdenstion water produces for gas heating mechanism 1's structure is simpler, not only is favorable to reducing the volume, can control the water heater cost moreover.
In order to avoid the heat from being radiated outwards by the shell 11 to cause low heat utilization rate, the outer wall of the shell 11 is provided with a heat insulation layer which can avoid heat waste, the heat generated by the burner can be enclosed and blocked inside the shell 11 as far as possible, and the heat is radiated to the water storage liner 12 along the radial direction, so that the heat utilization rate is improved.
Alternatively, the insulating layer may be made of a foamed ceramic material. The foam ceramic material has good heat insulation performance, the heat insulation effect of the foam ceramic material is more than 3 times that of the traditional foam and felt material, the cost is low, and the foam ceramic material can resist the high temperature of more than 1000 ℃. The foamed ceramic material has a loose porous structure, can give consideration to both air permeability and heat insulation performance, is light in weight, and is beneficial to reducing the load of the shell 11.
In order to increase the heat exchange area between the burner and the water container 12, fins are arranged on the outer wall of the water container 12. The surface area of the water storage container 12 can be increased by arranging the fins, so that the heat exchange area between the burner and the water storage container 12 is increased, and the heating efficiency is improved.
In some embodiments, the outer wall of the water container 12 is provided with a convex structure and/or a concave structure. Through the indent or evagination of the outer wall of the water storage container 12, the surface area of the water storage container 12 can be increased, thereby increasing the heat exchange area of the burner and the water storage container 12 and being beneficial to improving the heating efficiency.
Further, fins, convex structures and/or concave structures can be arranged on the inner wall of the water storage container 12 to increase the heat exchange area between the water storage container 12 and the water in the water storage container 12, so that the heating efficiency of the water in the water storage container 12 is improved.
Further, the fire outlet on the burner can be arranged corresponding to the fins, the convex structure or the concave structure on the inner wall of the water storage container 12, so that the heat exchange area of the flame contact position is large, and the rapid heat transfer is facilitated.
Further, the combustor in the present embodiment is a fully premixed combustor. The full premixed combustion is a method for combusting coal gas and air after the coal gas and the air are completely and uniformly mixed in a burner. The actual combustion-supporting air quantity is greater than or equal to the theoretical air quantity, namely the air consumption coefficient is greater than or equal to 1, and because the combustion speed is very high, the flame is short and transparent, and no obvious profile exists.
The reaction speed of the full-premixing combustion is high, the free carbon particles in the flame are few, the flame is clear and transparent, the blackness is small, the radiation capability is weak, and the flame length is short. Because of the fast flameless combustion speed and the heat intensity of the combustion space (refer to lm)3The heat quantity emitted by the combustion of the fuel in the combustion space is more than 100-fold and 1000-fold larger than that generated by the flame combustion, so that the complete combustion can be achieved by using a smaller air coefficient, and the theoretical combustion temperature is higher.
In addition, the flameless combustion can save a set of air supply equipment such as a blower and the like, and the structure is simple and compact.
In this embodiment, through adopting the full premix combustor, can realize rapid heating, the load and the noise of fan are controlled easily, and conveniently control flame size, and the burning accessory substance is also far less than other types of combustors simultaneously.
Further, the full premix burner is a metal fiber burner, the limit of the use of the metal fiber burner is heat-resistant alloy steel such as iron-chromium-aluminum alloy fiber, and the fiber is made into a special permeable material with a three-dimensional net structure through a sintering or knitting mode. Because of the uniform air permeability of the metal fiber fabric and the uniform premixing of the fuel gas and the air, the combustion is very stable, the temperature distribution is uniform, and NO local high temperature exists, thereby inhibiting NOxAnd (4) generating. The premixing has enough air supply, so the emission of C0 is also low.
Further, the water heater further comprises a straight-through pipeline 3, a hot water outlet 111 of the water container 12 can be selectively communicated with one end of the inlet or the straight-through pipeline 3, and the other end of the straight-through pipeline 3 is used for connecting a water using end. When the electric instant heating mechanism 2 needs to be opened, the hot water outlet 111 of the water container 12 is communicated with the inlet of the electric instant heating mechanism 2, and the water in the water container 12 is heated by the electric instant heating mechanism 2 and then is discharged for the user to use. When the water in the water container 12 is heated to the designated temperature and can be directly supplied to the user, the electric instant heating mechanism 2 is closed, the hot water outlet 111 of the water container 12 is communicated with the straight-through pipeline 3, and the water in the water container 12 is directly supplied to the user through the straight-through pipeline 3.
In particular, the water heater also comprises a valve assembly able to control the hot water outlet 111 to communicate with one end of the inlet or through pipe 3, as required. Alternatively, the valve assembly comprises two switch valves, one switch valve is arranged between the hot water outlet 111 of the water container 12 and the inlet of the electric instant heating mechanism 2, the other switch valve is arranged between the hot water outlet 111 of the water container 12 and the straight-through pipeline 3, and the switching of the water outlet path can be realized by switching the opening and closing of the two switch valves.
In some embodiments, the valve assembly comprises a three-way valve, one port of the three-way valve is connected to the inlet of the electric instant heating mechanism 2, the other port of the three-way valve is connected to the hot water outlet 111 of the water container 12, and the remaining port of the three-way valve is connected to one end of the straight-through pipeline 3, and the hot water outlet 111 of the water container 12 can be controlled to be communicated with one end of the inlet or the straight-through pipeline 3 by switching of the three-way valve.
Further, the water heater further comprises a temperature detecting assembly 4, and the temperature detecting assembly 4 is used for detecting the temperature of the water at the hot water outlet 111 of the water container 12. The valve assembly is in communication connection with the temperature detection assembly 4, so that the valve assembly can control the hot water outlet 111 to be communicated with one end of the inlet or through pipe 3 according to the detection result of the temperature detection assembly 4.
Optionally, the water heater further comprises a controller in communication with the temperature detection assembly 4 and the valve assembly, respectively. After the temperature detection component 4 detects the outlet water temperature of the water container 12, the detected temperature is sent to the controller. The controller selectively communicates the hot water outlet 111 with one end of the inlet or through pipe 3 depending on the received temperature control valve assembly.
It can be understood that when the water heater is started up immediately, is shut down midway and then is started up again or is in the water outlet process, the controller determines whether to start the electric instant heating module or not according to the detection result of the temperature detection assembly 4, so that the problem of unstable water outlet temperature is solved.
Alternatively, the electric heating means 2 is provided on the gas heating means 1 or provided separately from the gas heating means 1. When the electric instant heating mechanism 2 is arranged on the gas heating mechanism 1, the whole water heater is of an integrated structure, and the water heater is convenient to install and compact in structure. The electric, i.e. heating means 2 may be arranged inside the outer shell 11 or on the outer wall of the outer shell 11, so that the water heater forms an integral structure.
When the electric instant heating mechanism 2 and the gas heating mechanism 1 are arranged in a split manner, the electric instant heating mechanism 2 can be arranged at the position close to the water using end as required, and the installation position is more flexible.
It should be noted that the electric heating mechanism 2 in the present embodiment may adopt any heating structure that is powered on and heated as in the prior art, and will not be described in detail in the present embodiment.
In this embodiment, the cold water inlet 112 is disposed on the water container 12, the cold water inlet 112 is disposed at the bottom of the water container 12, and the hot water outlet 111 is disposed at the top of the water container 12, so that the water container 12 forms a structure of water inlet and water outlet, and the hot and cold water layers in the water container 12 cooperate to ensure that the water outlet of the water container 12 is hot water.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A water heater, comprising:
the gas heating mechanism (1) comprises a shell (11), a water storage container (12) and a burner, wherein the water storage container (12) is arranged in the shell (11), a hot water outlet (111) is formed in the water storage container (12), the burner is arranged between the water storage container (12) and the shell (11), and the burner is used for heating the water storage container (12);
the electric instant heating mechanism (2) is provided with an inlet and an outlet, the inlet can be communicated with the hot water outlet (111), and the outlet is used for connecting a water using end.
2. The water heater according to claim 1, wherein the burner is annular and is sleeved outside the water container (12).
3. A water heater according to claim 2, wherein the burner is arranged coaxially with the water reservoir (12).
4. A water heater according to claim 1, wherein the burner's fire outlet is directed towards the tank (12), the burner's flame being in contact with the tank (12).
5. The water heater of claim 1, wherein the burner is a fully premixed burner.
6. The water heater according to any one of claims 1-5, further comprising:
the hot water outlet (111) of the water storage container (12) can be selectively communicated with the inlet or one end of the straight-through pipeline (3), and the other end of the straight-through pipeline (3) is used for connecting a water using end.
7. The water heater of claim 6, further comprising:
the temperature detection component (4) is used for detecting the temperature of water at a hot water outlet (111) of the water storage container (12); and
and the valve assembly is in communication connection with the temperature detection assembly (4) and is used for controlling the hot water outlet (111) to be communicated with the inlet or one end of the straight pipeline (3) according to the detection result of the temperature detection assembly (4).
8. The water heater according to any one of claims 1-5, characterized in that fins are arranged on the outer wall and/or inner wall of the water storage container (12); or
And an outer convex structure and/or an inner concave structure are/is arranged on the outer wall and/or the inner wall of the water storage container (12).
9. The water heater according to any one of claims 1-5, characterized in that the outer wall of the outer shell (11) is covered with a thermal insulation layer;
the thermal insulation layer is made of foamed ceramic material.
10. The water heater according to any one of claims 1-5, wherein the electric instant heating mechanism (2) is arranged on the gas heating mechanism (1) or is arranged separately from the gas heating mechanism (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121142303.9U CN216080339U (en) | 2021-05-26 | 2021-05-26 | a water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121142303.9U CN216080339U (en) | 2021-05-26 | 2021-05-26 | a water heater |
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| Publication Number | Publication Date |
|---|---|
| CN216080339U true CN216080339U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121142303.9U Active CN216080339U (en) | 2021-05-26 | 2021-05-26 | a water heater |
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| CN (1) | CN216080339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963500A (en) * | 2021-05-26 | 2022-08-30 | 郑州海尔新能源科技有限公司 | a water heater |
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2021
- 2021-05-26 CN CN202121142303.9U patent/CN216080339U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963500A (en) * | 2021-05-26 | 2022-08-30 | 郑州海尔新能源科技有限公司 | a water heater |
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