CN215222511U - Mica-supported heating wire single-sided heater - Google Patents
Mica-supported heating wire single-sided heater Download PDFInfo
- Publication number
- CN215222511U CN215222511U CN202120824544.5U CN202120824544U CN215222511U CN 215222511 U CN215222511 U CN 215222511U CN 202120824544 U CN202120824544 U CN 202120824544U CN 215222511 U CN215222511 U CN 215222511U
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- CN
- China
- Prior art keywords
- mica
- heating wire
- heater
- plate
- mica plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 85
- 239000010445 mica Substances 0.000 claims abstract description 95
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 95
- 238000005485 electric heating Methods 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 description 21
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a mica supports heating wire single face heater, include: the electric heating wire is arranged on the mica plate in a single-side arrangement mode, the insulating layer covers the electric heating wire, the electric heating wire is isolated from the shell, and a power supply interface is arranged on the shell. The utility model discloses a mode that the single face was arranged has guaranteed the interval between the heating wire, has solved the problem of the easy short circuit of high temperature for the heating heat is concentrated in the front of mica sheet, has realized the single face heating function of heater.
Description
Technical Field
The utility model relates to a heating wire heater especially relates to a mica supports heating wire single face heater.
Background
A mica heater is a heating device widely used in home appliances. The mica heater is structurally characterized in that the mica heater comprises a metal outer frame and a mica heating plate arranged in the metal outer frame, heating wires are wound on the mica heating plate, insulating layers are arranged on two sides of the mica heating plate, and the heating wires are wound on two sides of the mica heating plate.
In the existing scheme, the distance between the heating wires is too close, high temperature generated by the heating wires can be superposed on the mica plate in the middle, and when the temperature exceeds the rated temperature of the material, the thermal insulation of the material is reduced, so that short circuit is caused and the mica plate is burnt; meanwhile, heat is dispersed during heating, and when heating in a single direction is needed, waste of heat is generated.
Thus, there is a need for an improved solution to provide a safe and stable single-sided heater with direct heat transfer to the housing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a mica supports heating wire single face heater to overcome above-mentioned problem.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a mica-supported heating wire single-sided heater including: the electric heating wire is arranged on the mica plate in a single-side arrangement mode, the insulating layer covers the electric heating wire, the electric heating wire is isolated from the shell, and a power supply interface is arranged on the shell.
Furthermore, a plurality of grooves for fixing the electric heating wires are designed on the left side and the right side of the mica plate.
Furthermore, the electric heating wire is wound on the mica plate by means of the groove, the crossing part of the electric heating wire is positioned on the front side of the mica plate, and the vertical crossing part of the electric heating wire is positioned on the back side of the mica plate.
Furthermore, the insulating layer is a mica sheet, and the mica plate is clamped by the two mica sheets and covers the electric heating wire.
Furthermore, the heating wire is embedded on the mica plate after being bent, and the heating wire is positioned on the front side of the mica plate and does not touch the left side and the right side of the mica plate.
Furthermore, the insulating layer is a mica sheet, and the mica sheet covers the front side of the mica plate and covers the electric heating wire.
Furthermore, the whole heater is bent to be annular.
Further, the power interface is positioned on the inner surface of the circular ring of the heater.
Further, the power interface is located on the outer surface of the ring of the heater.
Further, a fastening device is further arranged on the shell.
The utility model relates to a mica supports heating wire single face heater's beneficial effect is: the heating wires are arranged on the mica plate in a single-side arrangement mode, the distance between the heating wires is stable, the problem that high temperature is easy to short circuit is solved, meanwhile, the heating wires are concentrated on the front side of the mica sheet, and the single-side heating function of the heater is achieved.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
Fig. 2 is a schematic view of a single-sided arrangement of the first embodiment.
Fig. 3 is a side view of the structure of the first embodiment.
Fig. 4 is a schematic structural diagram of the second embodiment.
FIG. 5 is an expanded view of a second embodiment mica board.
The parts in the drawings are numbered as follows: 1. mica plate, 2, heating wire, 3, insulating layer, 4, shell, 11, first wiring end, 12, second wiring end, 13, first winding wire position, 14, second winding wire position, 15, third winding wire position, 16, terminal winding wire position, 41, louvre, 42, power source, 43, spring.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 3, a first embodiment of the present invention includes: mica plate 1, the heating wire 2 of setting on mica plate 1, set up insulating layer 3 and shell 4 outside mica plate 1, the design of the left and right sides of mica plate 1 has a plurality of recesses (not mark) that are used for fixed heating wire 2, these recesses are the wire winding department of heating wire 2 promptly, the mode that heating wire 2 arranged with the single face sets up on mica plate 1, insulating layer 3 covers heating wire 2, make heating wire 2 isolated with shell 4, be provided with power source 42 on the shell 4, when the heating wire single face was arranged, the heating wire interval is stable, the difficult short circuit of high temperature, make the heater be applicable to high temperature.
The specific method of single-sided arrangement in this embodiment: the mica plate 1 is provided with a first terminal 11 and a second terminal 12, the winding position close to the first terminal 11 is a first winding position 13, correspondingly, the other side of the mica plate 1 is symmetrically provided with a second winding position 14 corresponding to the first winding position 13, the winding position adjacent to the second winding position 14 is a third winding position 15, the winding position which is farthest away from the second winding position 14 and is positioned at the same side is an end winding position 16, after a heating wire connected with the first terminal 11 obliquely strides into the first winding position 13 from the back side of the mica plate 1, the heating wire strides into the second winding position 14 from the front side of the mica plate 1, then vertically strides into the third winding position 15 from the back side of the mica plate 1, the rest heating wires are wound at the winding position of the mica plate 1 according to the alternating mode of horizontal and vertical, finally enter into the end winding position 16 and obliquely strides into the second terminal 12 from the back side of the mica plate 1, under the winding mode, the heating wire spanning part is positioned on the front side of the mica plate, the vertical spanning part is positioned on the back side of the mica plate, the heating wire occupying ratio of the vertical spanning part is small, and when the heater is electrified for heating, heat can be concentrated on the front side of the mica plate, so that a single-side heating function is provided.
Specifically, the two ends of the heating wire are wrapped by the insulating layer and led out to the power supply interface 42, and the power supply interface 42 can be arranged at any position of the shell.
Insulating layer 3 is the mica sheet, and mica plate 1 is cliied to two mica sheets, and covers heating wire 2, still is provided with the metallic channel (not shown) on the mica plate 1, and the metallic channel corresponds the coiling position of heating wire 2 for the heating wire can be embedded in the mica plate, makes the mica sheet and the mica plate laminating of mica plate both sides, when playing the guard action to the heating wire, enables the structure of mica plate and insulating layer more firm.
Specifically, two mica sheets are riveted or glued with the mica plate.
The inside of shell 4 is provided with a plurality of springs 43, and the one end and the shell 4 fixed connection of spring 43, other end contact insulating layer 3, a plurality of springs 43 symmetry set up in shell 4, apply certain strength to the insulating layer of mica plate both sides for the mica plate can stabilize in shell 4, and have good anti-seismic performance.
Specifically, the housing 4 is further provided with heat dissipation holes 41, and the heat dissipation holes 41 may be disposed at any position of the housing.
Referring to fig. 4 and 5, a second embodiment of the present invention includes: the heating wire heating device comprises a mica plate 1, a heating wire 2 arranged on the mica plate 1, an insulating layer 3 and a shell 4, wherein the insulating layer 3 and the shell 4 are arranged outside the mica plate 1, the heating wire 2 is arranged on the mica plate 1 in a single-side arrangement mode, the insulating layer 3 covers the heating wire 2, and a power supply interface 42 is arranged on the shell 4.
The specific method of single-side arrangement is as follows: the heating wire 2 is bent to be plate-shaped, the width of the whole heating wire plate is smaller than that of the mica plate 1, namely the heating wire 2 does not touch the left side and the right side of the mica plate 1, the heating wire plate is pressed into the mica plate through a pressure device, so that the heating wire is embedded in the front of the mica plate, and heat is concentrated on the front of the mica plate during work, so that a single-side heating function is realized.
The insulating layer 3 is a mica sheet, only one mica sheet is needed to cover the front side of the mica plate 1, and the heating wire 2 is covered, so that the insulating effect is achieved, the two insulating layers are reduced to one, the material is further saved, and the performance is improved.
The whole heater is of a circular ring shape after being bent, the front face of the mica plate 1 faces the inside of the circular ring, the power supply interface 42 is positioned on the outer surface of the circular ring and provides a single-face heating function of the inner space of the circular ring, and the heater is also externally provided with a fastening device which consists of bolts and hoops and is used for tightening the heater to enable the heater to be tightly attached to a heated object.
Specifically, the power source interface 42 may also be located on the inner surface of the circular ring, and the front surface of the mica board 1 faces the outside of the circular ring, so as to provide a single-sided heating function in the space outside the circular ring.
The utility model relates to a mica supports and can carry out the trompil at the optional position according to the customer's requirement on the shell of heating wire single face heater.
The utility model relates to a mica supports heating wire single face heater's beneficial effect is:
1. through the mode of single face arrangement, guaranteed the interval between the heating wire, solved the easy short circuit's of high temperature problem for the heater is applicable to high temperature.
2. The single-side arrangement of the electric heating wires enables the heating heat to be concentrated on the front side of the mica sheet, and the single-side heating function of the heater is realized.
3. The wire groove is arranged on the mica plate and used for placing the electric heating wire or embedding the electric heating wire into the mica plate, so that the connection gap between the mica plate and the insulating layer can be eliminated, and the structure is more stable.
4. The heater is bent into a circular ring shape, so that the heater can be applied to wider scenes.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A mica-supported heating wire single-sided heater is characterized by comprising: the electric heating wire is arranged on the mica plate in a single-side arrangement mode, the insulating layer covers the electric heating wire, the electric heating wire is isolated from the shell, and a power supply interface is arranged on the shell.
2. The mica-supported heating wire single-sided heater of claim 1, wherein the left and right sides of the mica plate are designed with a plurality of grooves for fixing the heating wire.
3. The mica-supported heating wire single-sided heater of claim 2, wherein the heating wire is wound on the mica plate by means of the groove, and the cross portion of the heating wire is positioned on the front side of the mica plate, and the vertical cross portion is positioned on the back side of the mica plate.
4. The mica-supported heating wire single-sided heater of claim 2, wherein the insulating layer is a mica sheet, and two mica sheets sandwich the mica plate and cover the heating wire.
5. The mica-supported heating wire single-sided heater of claim 1, wherein the heating wire is bent and embedded on the mica plate, and the heating wire is positioned on the front side of the mica plate and does not touch the left and right sides of the mica plate.
6. The mica-supported heating wire single-sided heater of claim 5, wherein the insulating layer is a mica sheet, and a piece of the mica sheet covers the front surface of the mica plate and covers the heating wire.
7. The mica-supported heating wire single-sided heater of claim 1, wherein the heater is bent entirely to have a circular ring shape.
8. The mica-supported heating wire single-sided heater of claim 7, wherein the power interface is located on an inner surface of a ring of the heater.
9. The mica-supported heating wire single-sided heater of claim 7, wherein the power interface is located on an outer surface of the ring of the heater.
10. The mica-supported heating wire single-sided heater of claim 7, wherein the housing is further provided with a fastening means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120824544.5U CN215222511U (en) | 2021-04-21 | 2021-04-21 | Mica-supported heating wire single-sided heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120824544.5U CN215222511U (en) | 2021-04-21 | 2021-04-21 | Mica-supported heating wire single-sided heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215222511U true CN215222511U (en) | 2021-12-17 |
Family
ID=79449745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120824544.5U Expired - Fee Related CN215222511U (en) | 2021-04-21 | 2021-04-21 | Mica-supported heating wire single-sided heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215222511U (en) |
-
2021
- 2021-04-21 CN CN202120824544.5U patent/CN215222511U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |