CN106813375B - Water heater and pipeline electric heating device for water heater - Google Patents
Water heater and pipeline electric heating device for water heater Download PDFInfo
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- CN106813375B CN106813375B CN201510867620.XA CN201510867620A CN106813375B CN 106813375 B CN106813375 B CN 106813375B CN 201510867620 A CN201510867620 A CN 201510867620A CN 106813375 B CN106813375 B CN 106813375B
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Abstract
The invention relates to a water heater and a pipeline electric heating device for the water heater. The pipeline electric heating device is arranged at the water outlet pipe of the water heater, is used for further heating the outlet water of the water heater, and comprises: the heating pipe is connected with a water outlet pipe of the water heater so as to heat water flowing through the heating pipe; and the spiral diversion rod is arranged inside the pipe cavity of the heating pipe, is arranged along the axial direction of the heating pipe, and is provided with a spiral part abutted against the inner wall of the heating pipe so as to define a spiral flow passage together with the inner wall of the heating pipe, so that flowing water passes through the heating pipe in a spiral shape, and the heat exchange area is increased. The electric pipeline heating device for the water heater can be used for further heating water flowing into the water outlet pipe of the water heater, so that the instant heating performance of the water heater is realized, and the heating efficiency of the water heater is improved.
Description
Technical Field
The invention relates to a water heater, in particular to a water heater and a pipeline electric heating device for the water heater.
Background
The existing water heater mainly comprises a water tank, a heating device, a pipeline, a valve and the like. In order to improve the instant heating performance of the water heater, a three-way water mixing valve is generally arranged on a water outlet pipeline of the water heater, and hot water with proper temperature is provided for a user by mixing tap water with the hot water in a water tank.
The water heater generally adopts the electric heating rod to go deep into the water tank of the water heater, and water in the water tank is heated through the electric heating rod to provide hot water for the three-way water mixing valve, so that the required water tank is large in size, occupies a large space, and brings inconvenience to users. And because the water volume in the water tank is great, lead to electrical heating rod heating efficiency lower, latency is longer, brings certain puzzlement for the user.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a water heater and a line electric heating apparatus for the water heater that overcome or at least partially solve the above problems.
The invention aims to provide an electric pipeline heating device capable of realizing instant heating of a water heater.
A further object of the present invention is to improve the heating efficiency of a water heater.
In particular, the present invention provides an electric pipe heating device for a water heater, which is arranged at a water outlet pipe of the water heater and is used for further heating the outlet water of the water heater, and the electric pipe heating device comprises: the heating pipe is connected with a water outlet pipe of the water heater so as to heat water flowing through the heating pipe; and the spiral diversion rod is arranged inside the pipe cavity of the heating pipe, is arranged along the axial direction of the heating pipe, and is provided with a spiral part abutted against the inner wall of the heating pipe so as to define a spiral flow passage together with the inner wall of the heating pipe, so that flowing water passes through the heating pipe in a spiral shape, and the heat exchange area is increased.
Optionally, the pipe electric heating device further comprises: and the pipe end of the water inlet flange is connected with the water outlet pipe of the water heater, and the flange end of the water inlet flange is connected with the heating pipe so as to introduce the water of the water outlet pipe of the water heater into the heating pipe.
Optionally, the pipe electric heating device further comprises: and the water inlet end elastic component is respectively abutted against the water inlet flange and the spiral part of the spiral diversion rod so as to support one end of the spiral diversion rod and enable the spiral diversion rod to have a gap with the water inlet of the heating pipe.
Optionally, the pipe electric heating device further comprises: and the pipe end of the water outlet flange is connected with a water outlet pipe of the water heater, and the flange end of the water outlet flange is connected with the heating pipe so as to lead water in the heating pipe out to the water outlet pipe of the water heater.
Optionally, the pipe electric heating device further comprises: and the water outlet end elastic part is respectively abutted against the water outlet flange and the spiral part of the spiral guide rod so as to support the other end of the spiral guide rod and ensure that a gap is formed between the spiral guide rod and the water outlet of the heating pipe.
Optionally, the pipe electric heating device further comprises: and the connecting studs are uniformly distributed on the periphery of the heating pipe and are parallel to the axial direction of the heating pipe, and two ends of each connecting stud are respectively and vertically fixed at the flange of the water inlet flange and the flange of the water outlet flange.
Optionally, the heating tube comprises: a metal pipe body; and the heating film is attached to the outer wall of the metal pipe body so as to provide heat for the metal pipe body.
Optionally, the heating film comprises: the inner layer film is attached to the outer wall of the metal pipe body; the heating circuit is arranged on the outer side of the inner layer film, is connected with an external circuit and is used for generating heat when electrified; and the outer layer film is attached to the outer side of the heating circuit, so that the inner layer film and the outer layer film wrap the heating circuit to isolate the electric leakage of the heating circuit.
Optionally, the edge of the spiral forms a contact surface against the inner wall of the heating tube.
In particular, the present invention also provides a water heater comprising: a water heater body having a water outlet pipe; and the pipeline electric heating device is arranged at the water outlet pipe and is used for further heating the outlet water of the water heater.
The pipeline electric heating device for the water heater is arranged at the water outlet pipe of the water heater and is used for further heating water flowing into the water outlet pipe of the water heater so as to realize instant heating of the water heater. And this pipeline electric heater unit mainly includes heating pipe and spiral guiding pole, wherein the heating pipe is linked together with the water heater outlet pipe, heat the water in the heating pipe with the convection current, spiral guiding pole sets up inside the lumen of heating pipe, and set up along the axial of heating pipe, and have the spiral portion that supports and lean on in the heating pipe inner wall, in order to inject spiral runner jointly with the heating pipe inner wall, make the water of flowing through pass through with the heliciform by heating pipe water inlet to delivery port, increased with the heat transfer area of heating pipe wall, heating efficiency has been improved.
Furthermore, the electric heating device for the pipeline also comprises a water inlet flange, a water outlet flange, and a water inlet end elastic part and a water outlet end elastic part which are matched with the water inlet flange and the water outlet flange. The pipe end of the water inlet flange is connected with the water outlet pipe of the water heater, and the flange end is connected with the heating pipe and used for supporting the heating pipe and leading water of the water outlet pipe of the water heater into the heating pipe. And the water inlet end elastic component is respectively abutted against the water inlet flange and the spiral part of the spiral diversion rod so as to support one end of the spiral diversion rod, and the spiral diversion rod has a certain gap with the water inlet of the heating pipe, so that one end of the spiral diversion rod is prevented from blocking the water inlet. The pipe end of the water outlet flange is connected with a water outlet pipe of the water heater, and the flange end is connected with the heating pipe and used for supporting the heating pipe and leading water in the heating pipe out to the water outlet pipe of the water heater. The water outlet end elastic component is respectively abutted against the water outlet flange and the spiral part of the spiral diversion rod so as to support the other end of the spiral diversion rod, and a gap is formed between the spiral diversion rod and the water outlet of the heating pipe, so that one end of the spiral diversion rod is prevented from blocking the water inlet.
Further, the heating pipe comprises a metal pipe body and a heating film. The metal pipe body is used as the main body part of the heating pipe and is used for supporting the heating pipe and transmitting the heating of the heating film to the water in the heating pipe. The heating film is attached to the outer wall of the metal pipe body, the heating circuit is wrapped between the two layers of films, the heating circuit is connected with an external circuit to generate heat, the heat is transferred to the metal pipe body through the films, the two layers of films are used for isolating the electric leakage of the heating circuit, and the safety of the water heater is improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic perspective view of a piped electric heating device for a water heater according to one embodiment of the invention;
FIG. 2 is a schematic longitudinal sectional view of the electric heating apparatus along the pipeline shown in FIG. 1; and
fig. 3 is a schematic partial enlarged view of a heating pipe in a pipe electric heating apparatus for a water heater according to an embodiment of the present invention.
Detailed Description
One embodiment of the present invention provides a pipe electric heating apparatus 100 for a water heater, and fig. 1 is a schematic perspective view of the pipe electric heating apparatus 100. The pipeline electric heating device 100 is generally arranged at the water outlet pipe of the water heater, and the instant heating performance of the water heater is realized by adopting a mode of further heating water in the water outlet pipe of the water heater, so that the heating speed is high, the efficiency is high, and the occupied space is small. The electric heating device 100 of the present embodiment mainly includes a heating tube 110 and a spiral guiding rod 120 (not shown in fig. 1) disposed in an inner cavity of the heating tube 110.
The heating pipe 110 is used as a main body for supporting the electric heating device 100, and is communicated with the water outlet pipe of the water heater through a water inlet flange 130 and a water outlet flange 150 arranged at two ends of the heating pipe to heat water flowing through the heating pipe 110.
The water inlet flange 130 is disposed at the water inlet end of the pipe electric heating apparatus 100 and connected to the heating pipe 110. The pipe end has a screw thread for fastening to the outlet pipe of the water heater to prevent water leakage, and extends toward the outer periphery of the pipe at the end near the heating pipe 110 to form a circular flange structure. And the flange end is connected with the heating pipe 110 to introduce water of the water heater outlet pipe into the cavity of the heating pipe 110 and support the pipe electric heating device 100 as a part of the pipe electric heating device 100.
The water outlet flange 150 is disposed at the water outlet end of the pipe electric heating device 100 and connected to the heating pipe 110. The pipe end is also threaded to fasten to the outlet pipe of the water heater to prevent water leakage, and extends toward the outer periphery of the pipe at the end near the heating pipe 110 to form a circular flange structure. And the flange end is connected with the heating pipe 110 so as to lead the water in the cavity of the heating pipe 110 out to the water outlet pipe of the water heater and support the pipeline electric heating device 100 as a part of the pipeline electric heating device 100.
Three connecting studs 170 are connected between the water inlet flange 130 and the water outlet flange 150. The two ends of the connection studs 170 are respectively connected to the flange ends of the water inlet flange 130 and the water outlet flange 150, and are uniformly distributed on the periphery of the heating pipe 110. The connection stud 170 is parallel to the axial direction of the heating tube 110 and does not contact with the outer wall of the heating tube 110, so as to fasten the pipe electric heating apparatus 100 of the present embodiment. In the embodiment shown in fig. 1, three connection studs 170 are provided, and two adjacent connection studs 170 form 120 ° with the axis of the heating tube in the cross section of the heating tube 110. In some other embodiments of the present invention, the connection studs 170 may be provided in two pieces, resulting in a compact structure and material savings. In other embodiments of the present invention, the number of the connection studs 170 may be more than three, so that the pipe electric heating apparatus 100 of the present invention is more stable. The number of the connection studs 170 can be flexibly configured according to the structure of the heating pipe, the water pressure and the like.
Fig. 2 is a schematic longitudinal sectional view of the pipe electric heating apparatus shown in fig. 1. The spiral guiding rod 120 is disposed in the inner cavity of the heating tube 110, the spiral guiding rod 120 is disposed along the axial direction of the heating tube 110, and two ends of the spiral guiding rod 120 respectively abut against the water inlet and outlet of the heating tube 110 through the water inlet end elastic component 140 and the water outlet end elastic component 160. The spiral guide rod 120 has a spiral portion abutting against the inner wall of the heating tube 110, and the spiral portion is wound around the cylindrical rod of the spiral guide rod 120 along the axial direction of the heating tube 110. The spiral part edge forms the contact surface that leans on with heating pipe 110 inner wall counterbalance, prescribes a limit to spiral runner jointly, makes the water that flows through pass through with the heliciform to the area of contact of increase rivers and heating pipe 110 inner wall has increased the heat transfer area of rivers promptly, has improved the heating efficiency of the pipeline electric heater unit 100 of this embodiment.
The water inlet end elastic member 140 is disposed at the water inlet of the heating pipe 110 and is abutted against the water inlet flange 130 and the spiral portion of the spiral diversion rod 120. Is used for supporting one end of the spiral diversion rod 120, so that a certain gap exists between the spiral diversion rod 120 and the water inlet of the heating pipe 110, and the one end of the spiral diversion rod 120 is prevented from blocking the water inlet of the heating pipe 110.
The water outlet end elastic member 160 is disposed at the water outlet of the heating pipe 110 and is abutted against the water outlet flange 150 and the spiral portion of the spiral diversion rod 120. The spiral diversion rod 120 is used for supporting the other end of the spiral diversion rod 120, so that a certain gap exists between the spiral diversion rod 120 and the water outlet of the heating pipe 110, and the other end of the spiral diversion rod 120 is prevented from blocking the water outlet of the heating pipe 110.
Fig. 3 is a schematic partial enlarged view of a heating pipe 110 in a pipe electric heating apparatus for a water heater according to an embodiment of the present invention. Referring to fig. 2, the heating tube 110 includes a metal tube 111 and a heating film 115. The metal pipe body 111 serves as a main body portion of the heating pipe 110 to support the pipe electric heating apparatus 100 and functions to transfer heat. The heating film 115 is attached to the outer wall of the metal pipe 111, and generates heat through a connection circuit to supply heat to the metal pipe 111, and the heat is transferred from the metal pipe 111 to the water in the heating pipe 110.
The heating film 115 includes an inner film 112, a heating wire 113, and an outer film 114. The inner film 112 is attached to the outer wall of the metal tube 111; the heating circuit 113 is disposed outside the inner film 112 and connected to an external circuit, and generates heat when energized, so as to provide a heat source for the pipe electric heating device 100 of this embodiment and transfer the heat from the inner film 112 to the metal pipe 111; the outer film 114 is attached to the outer side of the heating circuit 113, so that the heating circuit 113 is wrapped by the inner film 112 and the outer film 114 together, and the electric leakage is prevented from generating danger through isolating the heating circuit 113, thereby improving the safety of the pipeline electric heating device 100.
The invention also provides a water heater, which mainly comprises a water tank, a heating device, a pipeline, a valve and the like, wherein the water tank of the water heater is provided with a water outlet pipe for water outlet. Particularly, the pipeline electric heating device provided by the embodiment is arranged at the water outlet pipe of the water heater and used for further heating the outlet water of the water heater, so that the instant heating performance of the water heater is realized, the heating efficiency is improved, and the occupied space of the water heater is saved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (4)
1. A pipe electric heating device for a water heater is arranged at a water outlet pipe of the water heater and is used for further heating outlet water of the water heater, and the pipe electric heating device comprises:
the heating pipe is connected with the water outlet pipe of the water heater so as to heat the water flowing through the heating pipe; and
the spiral flow guide rod is arranged inside the tube cavity of the heating tube, is arranged along the axial direction of the heating tube, and is provided with a spiral part abutted against the inner wall of the heating tube so as to define a spiral flow channel together with the inner wall of the heating tube, so that water flowing through the spiral flow guide rod passes through the heating tube in a spiral manner to increase the heat exchange area; the spiral part is wound on the periphery of the cylindrical rod of the spiral diversion rod along the axial direction of the heating pipe; the edge of the spiral part forms a contact surface which is abutted against the inner wall of the heating pipe;
the pipe end of the water inlet flange is connected with the water outlet pipe of the water heater, and the flange end of the water inlet flange is connected with the heating pipe so as to introduce the water of the water outlet pipe of the water heater into the heating pipe;
the water inlet end elastic component is respectively abutted against the water inlet flange and the spiral part of the spiral diversion rod so as to support one end of the spiral diversion rod and enable the spiral diversion rod to have a gap with the water inlet of the heating pipe;
the pipe end of the water outlet flange is connected with the water outlet pipe of the water heater, and the flange end of the water outlet flange is connected with the heating pipe so as to lead the water in the heating pipe out to the water outlet pipe of the water heater;
the water outlet end elastic component is respectively abutted against the water outlet flange and the spiral part of the spiral diversion rod so as to support the other end of the spiral diversion rod and enable the spiral diversion rod to have a gap with the water outlet of the heating pipe;
the heating pipe includes:
a metal pipe body; and
and the heating film is attached to the outer wall of the metal pipe body so as to provide heat for the metal pipe body.
2. The inline electrical heating apparatus of claim 1, further comprising:
and the connecting studs are uniformly distributed on the periphery of the heating pipe and are parallel to the axial direction of the heating pipe, and two ends of each connecting stud are respectively and vertically fixed at the flange of the water inlet flange and the flange of the water outlet flange.
3. The inline electrical heating apparatus of claim 1, wherein the heating film comprises:
the inner layer film is attached to the outer wall of the metal pipe body;
the heating circuit is arranged on the outer side of the inner layer film, is connected with an external circuit and is used for generating heat when electrified; and
the outer layer film is attached to the outer side of the heating circuit, so that the inner layer film and the outer layer film wrap the heating circuit and are used for isolating electric leakage of the heating circuit.
4. A water heater, comprising:
a water heater body having a water outlet pipe; and
the pipe electric heating device according to any one of claims 1 to 3, arranged at the outlet pipe for further heating the outlet water of the water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867620.XA CN106813375B (en) | 2015-12-01 | 2015-12-01 | Water heater and pipeline electric heating device for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867620.XA CN106813375B (en) | 2015-12-01 | 2015-12-01 | Water heater and pipeline electric heating device for water heater |
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| Publication Number | Publication Date |
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| CN106813375A CN106813375A (en) | 2017-06-09 |
| CN106813375B true CN106813375B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510867620.XA Active CN106813375B (en) | 2015-12-01 | 2015-12-01 | Water heater and pipeline electric heating device for water heater |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107906495A (en) * | 2017-06-15 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of heating equipment of energy-saving electric boiler |
| CN108240700B (en) * | 2018-04-20 | 2024-02-09 | 东莞市爱华实业有限公司 | Instant heater |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2415303Y (en) * | 2000-03-01 | 2001-01-17 | 郭清谅 | Electric water heater |
| CN2563486Y (en) * | 2002-07-09 | 2003-07-30 | 陈苏 | Heater of instant electric water heater |
| AU2006298641A1 (en) * | 2005-10-06 | 2007-04-12 | Seb Sa | Liquid-heating device for electric household appliance |
| CN201032253Y (en) * | 2007-03-25 | 2008-03-05 | 张玉茂 | Quick heating type water heater |
| CN104748358A (en) * | 2013-12-31 | 2015-07-01 | 天津中科化工工程设计有限公司 | Instant heating type water heater component and application thereof |
| CN105066425A (en) * | 2015-07-16 | 2015-11-18 | 周通 | Fluid heating and sterilization immediate synchronization supply device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2978528B1 (en) * | 2011-07-25 | 2015-03-27 | Ecodrop | LIQUID HEATING DEVICE |
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- 2015-12-01 CN CN201510867620.XA patent/CN106813375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2415303Y (en) * | 2000-03-01 | 2001-01-17 | 郭清谅 | Electric water heater |
| CN2563486Y (en) * | 2002-07-09 | 2003-07-30 | 陈苏 | Heater of instant electric water heater |
| AU2006298641A1 (en) * | 2005-10-06 | 2007-04-12 | Seb Sa | Liquid-heating device for electric household appliance |
| CN201032253Y (en) * | 2007-03-25 | 2008-03-05 | 张玉茂 | Quick heating type water heater |
| CN104748358A (en) * | 2013-12-31 | 2015-07-01 | 天津中科化工工程设计有限公司 | Instant heating type water heater component and application thereof |
| CN105066425A (en) * | 2015-07-16 | 2015-11-18 | 周通 | Fluid heating and sterilization immediate synchronization supply device |
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| CN106813375A (en) | 2017-06-09 |
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Effective date of registration: 20201106 Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. |
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