CN210745593U - Heating body and electric heater using same - Google Patents
Heating body and electric heater using same Download PDFInfo
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- CN210745593U CN210745593U CN201921124750.4U CN201921124750U CN210745593U CN 210745593 U CN210745593 U CN 210745593U CN 201921124750 U CN201921124750 U CN 201921124750U CN 210745593 U CN210745593 U CN 210745593U
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- metal tube
- heat
- fins
- generating body
- metal
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Abstract
The utility model relates to a heat-generating body and electric heater of using thereof, electric heater include the casing and the electrically conductive board that generates heat, and the electrically conductive board that generates heat adopts the heat-generating body, and the heat-generating body includes long banding tubular metal resonator and sets up the fin at the tubular metal resonator surface, tubular metal resonator and fin form through the integrative extrusion of extrusion technology, are provided with the heating wire in the tubular metal resonator, and the both ends of heating wire are connected with respectively draws forth the stick, and it has the magnesia powder to pack between tubular metal resonator and heating wire, draws forth the stick and keeps apart insulating and stretch out the tubular. The utility model has the advantages that the sound can not be produced when using.
Description
Technical Field
The utility model relates to a heat-generating body and electric heater of using thereof.
Background
The more common one of current electric heater comprises the casing, heat-generating body and fan, wherein the structure of electrically conductive heating plate is mostly including long banding tubular metal resonator and a plurality of fins of setting at the tubular metal resonator surface, wherein the tubular metal resonator is made by stainless steel material, this kind of structure is convenient for produce and the transportation, but when assembling into the electric heater, need connect the fin, but the fin is generally made by aluminum alloy material, the tubular metal resonator setting is in the inside of fin with its produced heat transfer for the fin, the heat transfer performance of stainless steel and aluminum alloy is inconsistent, in heat transfer process, can be because of being heated inequality and can the friction noise between the two, use experience has been influenced, consequently, there is the modified necessity in current structure.
Disclosure of Invention
A first object of the present invention is to provide a heating element which does not generate sound during use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heating body comprises a long-strip-shaped metal tube and fins arranged on the outer surface of the metal tube, wherein the metal tube and the fins are integrally extruded through an extrusion process, an electric heating wire is arranged in the metal tube, two ends of the electric heating wire are respectively connected with a leading-out rod, magnesium oxide powder is filled between the metal tube and the electric heating wire, and the leading-out rod is isolated from the metal tube, insulated and extended out of the metal tube.
The utility model has the advantages that the sound can not be produced when using.
The utility model discloses the accessible improves with following scheme:
the heating body is provided with at least two metal tubes, wherein one leading-out rod of one metal tube is connected with one leading-out rod of the other metal tube through a metal wire.
Each metal tube is provided with two fins, wherein one fin of one metal tube is connected with one fin of the other metal tube in a clamping mode through a buckling structure.
A plurality of convex edges are arranged on one surface or two surfaces of each fin, the length direction of the convex edges is consistent with the length of the metal tube, and the convex edges are arranged at equal intervals along the radial direction of the metal tube.
The metal tubes and fins are made of an aluminum alloy.
A second object of the present invention is to provide an electric heater which does not generate sound during use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the electric heater comprises a shell and a conductive heating plate, wherein the conductive heating plate adopts the heating body.
The utility model has the advantages that the sound can not be produced when using.
Drawings
Fig. 1 is a schematic perspective view of an electric heater in an embodiment.
FIG. 2 is a schematic perspective view of a heat-generating body in the embodiment.
FIG. 3 is a schematic longitudinal section of a heat-generating body in the example (the longitudinal section passes through the center axes of two metal tubes at the same time).
Detailed Description
As shown in fig. 1, the electric heater includes a housing 1 and a conductive heating plate, wherein the conductive heating plate adopts a heating body 2.
As shown in fig. 2 and 3, a heating body 2 includes a long metal tube 21 and fins 22 provided on the outer surface of the metal tube 21, and the metal tube 21 and the fins 22 are integrally extruded from an aluminum alloy by an extrusion process. The metal tube 21 is provided with a heating wire 23, two ends of the heating wire 23 are respectively connected with an extraction rod 24, magnesium oxide powder 25 is filled between the metal tube 21 and the heating wire 23, and the extraction rod 24 is insulated from the metal tube 21 and extends out of the metal tube 21.
The heating element 2 has at least two metal tubes 21, in this embodiment, the heating element 2 has two, wherein one leading-out rod 24 of one metal tube 21 is connected with one leading-out rod 24 of the other metal tube 21 through a metal wire 26. Each metal tube 21 is provided with two fins 22, wherein one fin 22 of one metal tube 21 is connected with one fin 22 of the other metal tube 21 in a clamping manner through a clamping structure. One or two surfaces of each fin 22 are provided with a plurality of ribs 221, the length direction of the ribs 221 is consistent with the length of the metal tube 21, and the ribs 221 are arranged at equal intervals along the radial direction of the metal tube 21.
Claims (6)
1. A heating body comprises a long-strip-shaped metal tube and fins arranged on the outer surface of the metal tube, and is characterized in that the metal tube and the fins are integrally extruded through an extrusion process, an electric heating wire is arranged in the metal tube, two ends of the electric heating wire are respectively connected with a leading-out rod, magnesium oxide powder is filled between the metal tube and the electric heating wire, and the leading-out rod is isolated from the metal tube and insulated and extends out of the metal tube.
2. A heat-generating body as described in claim 1, characterized in that the heat-generating body has at least two metal tubes, and one of the extraction rods of one of the metal tubes is connected to one of the extraction rods of the other metal tube by a metal wire.
3. A heat-generating body as described in claim 2, characterized in that each metal tube is provided with two fins, one of the fins of one of the metal tubes and one of the fins of the other metal tube are connected together by snap-fit connection.
4. A heat-generating body as described in claim 3, wherein each of the fins has a plurality of ridges formed on one or both surfaces thereof, the ridges having a length direction corresponding to a length of the metal tube, the ridges being arranged at equal intervals in a radial direction of the metal tube.
5. A heat-generating body as described in claim 4, characterized in that the metal tube and the fin are made of an aluminum alloy.
6. An electric heater, comprising a shell and a conductive heating plate, characterized in that the conductive heating plate adopts a heating body as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124750.4U CN210745593U (en) | 2019-07-17 | 2019-07-17 | Heating body and electric heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124750.4U CN210745593U (en) | 2019-07-17 | 2019-07-17 | Heating body and electric heater using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210745593U true CN210745593U (en) | 2020-06-12 |
Family
ID=70987290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921124750.4U Active CN210745593U (en) | 2019-07-17 | 2019-07-17 | Heating body and electric heater using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210745593U (en) |
-
2019
- 2019-07-17 CN CN201921124750.4U patent/CN210745593U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200724 Address after: 528400 Yongyi industry, Dongfeng Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Lontan Electrical Industrial Co.,Ltd. Address before: 528400 team 5, songpai, guanger village, Sanjiao Town, Zhongshan City, Guangdong Province Patentee before: Huang Baojiang |