CN219120781U - Heat exchanger and electric water heater - Google Patents
Heat exchanger and electric water heater Download PDFInfo
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- CN219120781U CN219120781U CN202320028502.XU CN202320028502U CN219120781U CN 219120781 U CN219120781 U CN 219120781U CN 202320028502 U CN202320028502 U CN 202320028502U CN 219120781 U CN219120781 U CN 219120781U
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Abstract
The utility model discloses a heat exchanger and an electric water heater, which comprises a water inlet pipe, a water outlet pipe, a heat exchange pipe and an electric heating element, wherein two ends of the heat exchange pipe are respectively connected with the water inlet pipe and the water outlet pipe, the heat exchange pipe is wound on the electric heating element along the length direction of the electric heating element, and the heat exchange pipe is one of a stainless steel corrugated pipe, a stainless steel twist pipe, a copper corrugated pipe and a copper twist pipe; when the water heater is used, water sequentially flows through the water inlet pipe, the heat exchange pipe and the water outlet pipe, heat generated by heating of the electric heating element is radiated to the heat exchange pipe, and the heat exchange pipe absorbs the heat to heat the water in the pipe, so that the water is heated; compared with the heat exchanger of the existing instant heating electric water heater, the heat exchange tube adopts one of the stainless steel corrugated tube, the stainless steel twist tube, the copper corrugated tube and the copper twist tube, so that the heat exchange area of the pipeline is increased, and the heat exchange efficiency of the pipeline and water is improved; the electric heating element is arranged outside the heat exchange tube, so that the scaling problem of the electric heating element in the use process is avoided, and the use safety is improved.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger and an electric water heater.
Background
The water heater is a device for changing the temperature of cold water into hot water in a certain time by various physical principles, and can be divided into an electric water heater, a gas water heater, a solar water heater, a heat pump water heater and the like according to different principles. At present, the instant heating electric water heater in the market adopts a stainless steel tube with a smooth surface as a heat exchange pipeline, so that the heat exchange is insufficient and the efficiency is low; meanwhile, the electric heating element is arranged in the heat exchange pipeline, and the surface structure of the electric heating element can be caused by long-time use due to high working temperature of the electric heating element, so that the heat exchange efficiency is reduced, and the electric heating element is always in contact with water, so that people are not relieved.
Disclosure of Invention
The utility model aims to provide a heat exchanger and an electric water heater, which can effectively solve the problems of low heat exchange efficiency and scaling on the surface of an electric heating element of the existing heat exchanger.
The technical problems are solved by the following technical scheme:
the utility model provides a heat exchanger, includes inlet tube, outlet pipe, heat exchange tube and electric heat spare, the both ends of heat exchange tube connect respectively in the inlet tube with the outlet pipe, the heat exchange tube is followed electric heat spare's length direction is around locating electric heat spare, the heat exchange tube is one of stainless steel bellows, stainless steel fluted tube, copper bellows and copper fluted tube.
Compared with the background technology, the heat exchanger has the following beneficial effects:
when the water heater is used, water sequentially flows through the water inlet pipe, the heat exchange pipe and the water outlet pipe, heat generated by heating of the electric heating element is radiated to the heat exchange pipe, and the heat exchange pipe absorbs the heat to heat the water in the pipe, so that the water is heated; compared with the heat exchanger of the existing instant heating electric water heater, the heat exchange tube adopts one of a stainless steel corrugated tube, a stainless steel twist tube, a copper corrugated tube and a copper twist tube, and the design has the advantages of increasing the heat exchange area of the pipeline and improving the heat exchange efficiency between the pipeline and water; meanwhile, the electric heating element is arranged outside the heat exchange tube, so that the scaling problem of the electric heating element in the use process is avoided, and the use safety is improved.
In one embodiment, the electric heating element comprises at least two electric heating tubes, and each electric heating tube is arranged side by side.
In one embodiment, the number of the electric heating elements is at least two, and each electric heating element is arranged at intervals side by side.
In one embodiment, the outer wall of the heat exchange tube is tightly attached to the outer wall surface of the electric heating tube.
An electric water heater comprises the heat exchanger.
Drawings
FIG. 1 is a schematic view of a heat exchanger according to the present utility model;
fig. 2 is a bottom view of fig. 1.
Description of the reference numerals:
1. a water inlet pipe; 2. a water outlet pipe; 3. a heat exchange tube; 4. an electric heating element; 40. an electric heating tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that, if the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate or refer to an orientation or a positional relationship based on that shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or the like, may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment provides a heat exchanger, as shown in fig. 1-2, including inlet tube 1, outlet pipe 2, heat exchange tube 3 and electrothermal member 4, the both ends of heat exchange tube 3 connect respectively in inlet tube 1 with outlet pipe 2, heat exchange tube 3 is followed electrothermal member 4's length direction is around locating electrothermal member 4, heat exchange tube 3 is nonrust corrugated steel pipe or copper bellows.
On the basis of the structure, the heat exchange tube 3 is wound on the periphery of the electric heating element 4, when the electric heating element is used, water sequentially flows through the water inlet tube 1, the heat exchange tube 3 and the water outlet tube 2, heat generated by heating of the electric heating element 4 is radiated to the heat exchange tube 3, and the heat exchange tube 3 absorbs the heat to heat water in the pipe, so that the water is heated; compared with the heat exchanger of the existing instant heating electric water heater, the heat exchange tube 3 adopts the stainless steel corrugated tube or the copper corrugated tube, and the design has the advantages of increasing the heat exchange area of the pipeline and improving the heat exchange efficiency between the pipeline and water; meanwhile, the electric heating element 4 is arranged outside the heat exchange tube 3, so that the scaling problem of the electric heating element 4 in the use process is avoided, and the use safety is improved.
It is easily understood that the electric heating element 4 may be an electric heating tube 40 or ptc heating element.
It should be noted that, in this embodiment, the heat exchange tube is a stainless steel corrugated tube or a copper corrugated tube, and its structure may be a structure with smooth outer wall and corrugated inner wall, so as to increase waterway resistance and heat exchange area of the pipeline, and improve heat exchange efficiency between the pipeline and water.
Preferably, in this embodiment, the electric heating element 4 includes at least two electric heating tubes 40, and each electric heating tube 40 is arranged side by side, so as to improve heating efficiency, thereby discharging hot water faster and meeting the requirement of large hot water.
Further, the number of the electric heating elements 4 is at least two, each electric heating element 4 is arranged at intervals side by side, and the heating efficiency is improved by increasing the number of the electric heating elements 4, so that hot water is discharged faster, and the requirement of large hot water quantity is met.
Further, the outer wall of the heat exchange tube 3 is tightly attached to the outer wall surface of the electrothermal tube 40; the design has the advantages of reducing the thermal resistance between the heat exchange tube 3 and the electric heating tube 40 and improving the heating efficiency.
The electric water heater comprises the heat exchanger, the heat exchange tube 3 is wound on the periphery of the electric heating element 4 on the basis of the structure, when the electric water heater is used, water sequentially flows through the water inlet tube 1, the heat exchange tube 3 and the water outlet tube 2, heat generated by heating of the electric heating element 4 is radiated to the heat exchange tube 3, and the heat exchange tube 3 absorbs the heat to heat the water in the pipe, so that the water is heated; compared with the heat exchanger of the existing instant heating electric water heater, the heat exchange tube 3 adopts the stainless steel corrugated tube or the copper corrugated tube, and the design has the advantages of increasing the heat exchange area of the pipeline and improving the heat exchange efficiency between the pipeline and water; meanwhile, the electric heating element 4 is arranged outside the heat exchange tube 3, so that the scaling problem of the electric heating element 4 in the use process is avoided, and the use safety is improved.
In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing detailed description of the embodiments presents only a few embodiments of the present utility model, which are described in some detail and are not intended to limit the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. A heat exchanger, characterized in that: the heat exchange tube is arranged around the electric heating element in the length direction of the electric heating element, and is one of a stainless steel corrugated tube, a stainless steel twist tube, a copper corrugated tube and a copper twist tube.
2. The heat exchanger of claim 1, wherein: the electric heating element comprises at least two electric heating tubes, and each electric heating tube is arranged side by side.
3. The heat exchanger of claim 2, wherein: the number of the electric heating elements is at least two, and the electric heating elements are arranged side by side at intervals.
4. A heat exchanger according to claim 2 or 3, wherein: the outer wall of the heat exchange tube is clung to the outer wall surface of the electric heating tube.
5. An electric water heater, characterized in that: comprising a heat exchanger according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028502.XU CN219120781U (en) | 2023-01-06 | 2023-01-06 | Heat exchanger and electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028502.XU CN219120781U (en) | 2023-01-06 | 2023-01-06 | Heat exchanger and electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219120781U true CN219120781U (en) | 2023-06-02 |
Family
ID=86522141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320028502.XU Active CN219120781U (en) | 2023-01-06 | 2023-01-06 | Heat exchanger and electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219120781U (en) |
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2023
- 2023-01-06 CN CN202320028502.XU patent/CN219120781U/en active Active
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