CN220606109U - Low electromagnetic heating sheet - Google Patents
Low electromagnetic heating sheet Download PDFInfo
- Publication number
- CN220606109U CN220606109U CN202322204201.0U CN202322204201U CN220606109U CN 220606109 U CN220606109 U CN 220606109U CN 202322204201 U CN202322204201 U CN 202322204201U CN 220606109 U CN220606109 U CN 220606109U
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- China
- Prior art keywords
- heating
- insulating film
- heating plate
- isolation layer
- plate
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 108
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 229910001006 Constantan Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 1
- 229920006335 epoxy glue Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000005347 demagnetization Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 15
- 238000005259 measurement Methods 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a low electromagnetic heating plate, which comprises: the first heating piece, the second heating piece, the isolation layer, the first insulating film, the second insulating film and the third insulating film; the first heating plate and the second heating plate are used for providing heat; the first insulating film, the first heating plate, the isolation layer, the second heating plate and the second insulating film are sequentially stacked, the heat-generating area of the first heating plate and the heat-generating area of the second heating plate are arranged in a mirror image mode by taking the isolation layer as a mirror image face, and the third insulating film is arranged on any side of the isolation layer. The utility model can realize complete demagnetization, avoids negative influence on the measuring precision of the instrument caused by the magnetic field generated by the electrified current of the heating plate in the process of heating the magnetometer and other magnetic field-free instruments, and ensures that accurate and reliable results are obtained in the experimental or measuring process.
Description
Technical Field
The utility model relates to the technical field of heating plates, in particular to a low-electromagnetic heating plate.
Background
The magnetic field-free instruments such as magnetometers and the like usually need to work within a certain temperature range to ensure the stability of the performance and the measurement accuracy, the heating plate is a film-shaped device for realizing the heating by utilizing a resistance heating principle and is generally formed by a conductive material and an insulating material, when current flows through the heating plate, electric energy can be converted into heat energy to enable the film to generate a heating effect, and stable heat is provided for the magnetic field-free instruments such as magnetometers and the like, but in the process of heating the magnetic field-free instruments such as magnetometers and the like by the heating plate, the magnetic field can be generated due to the passing of the current, so that the measurement accuracy of the instruments is negatively influenced, and accurate and reliable results cannot be obtained in the experimental or measurement process.
Disclosure of Invention
According to an embodiment of the present utility model, there is provided a low electromagnetic heating sheet including: the first heating piece, the second heating piece, the isolation layer, the first insulating film, the second insulating film and the third insulating film;
the first heating plate and the second heating plate are used for providing heat;
the first insulating film, the first heating plate, the isolation layer, the second heating plate and the second insulating film are sequentially stacked, the heat-generating area of the first heating plate and the heat-generating area of the second heating plate are arranged in a mirror image mode by taking the isolation layer as a mirror image face, and the third insulating film is arranged on any side of the isolation layer.
Further, the isolation layer is an epoxy resin adhesive layer.
Further, the first heating plate and the second heating plate are made of the same material.
Further, the first heating plate and the second heating plate are constantan heating plates.
Further, the heating areas of the first heating plate and the second heating plate are respectively heating wires, and the two heating wires are communicated.
Further, the first insulating film, the second insulating film, and the third insulating film are polyimide films.
According to the low-electromagnetic heating plate provided by the embodiment of the utility model, complete demagnetization can be realized, the negative influence of a magnetic field generated by the electrified current of the heating plate on the measurement precision of the instrument is avoided in the process of heating the magnetometer and other magnetic-field-free instruments, and the accurate and reliable result is ensured to be obtained in the experimental or measurement process.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
FIG. 1 is an overall schematic of a low electromagnetic heating plate according to an embodiment of the present utility model;
fig. 2 is an exploded view of a low electromagnetic heating plate according to an embodiment of the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.
First, a low electromagnetic heating sheet according to an embodiment of the present utility model will be described with reference to fig. 1 to 2, and is applied to military industry, industrial products, and the like, and has a wide application range.
As shown in fig. 1-2, the low electromagnetic heating sheet of the embodiment of the utility model comprises a first heating sheet 1, a second heating sheet 2, an isolation layer 3, a first insulating film 4, a second insulating film 5 and a third insulating film 6.
Specifically, as shown in fig. 1 to 2, in this embodiment, a first heating plate 1 and a second heating plate 2 are used to provide heat; the first insulating film 4, the first heating plate 1, the isolation layer 3, the second heating plate 2 and the second insulating film 5 are sequentially stacked, the heating area of the first heating plate 1 and the heating area of the second heating plate 2 are arranged in a mirror image mode by taking the isolation layer 3 as a mirror image surface, the third insulating film 6 is arranged on any side of the isolation layer 3, a more efficient heating process can be achieved, the output tail end of the first heating plate 1 is connected with the input end of the second heating plate 2 to form a loop, the mirror image setting enables the phase difference of the first heating plate and the second heating plate to offset generated electromagnetism, complete demagnetization is finally achieved, negative influence of a magnetic field generated by electrifying current of the heating plate on instrument measurement accuracy is avoided in the process of heating a magnetometer and the like, accurate and reliable results are obtained in the experimental or measurement process, and a target object is effectively heated.
Further, as shown in fig. 2, in this embodiment, the isolation layer 3 is an epoxy resin adhesive layer, the epoxy resin has good electrical insulation property, and can provide an electrical insulation layer between the heating plates, so as to prevent the safety problems such as current short circuit or electric shock between the heating plates, and the epoxy resin adhesive plays roles in adhering an upper layer and a lower layer, so that the micro gap on the surface of the heating plates can be filled, the bonding force between the two layers is increased, the conduction and diffusion of heat between the heating plates can be effectively limited, more uniform heat distribution is facilitated, the thermal efficiency of the heating plates is improved, and the waste of heat is reduced.
Further, as shown in fig. 2, in the present embodiment, the materials of the first heating plate 1 and the second heating plate 2 are the same, so that the consistency of the thermal characteristics and the performances of the first heating plate 1 and the second heating plate 2 is ensured, the complexity of the production process is reduced, and the performance difference between different materials does not need to be adjusted and matched.
Further, as shown in fig. 2, in the present embodiment, the first heating sheet 1 and the second heating sheet 2 are constantan heating sheets, and constantan has good temperature response characteristics, and can quickly reach a set temperature and remain stable, which helps to achieve uniform heating of a heating area, can work in a high temperature environment, is not easily affected by oxidation or chemical corrosion, and can maintain stable performance in long-term use and repeated heating cycles, and is suitable for a wide heating application field.
Further, as shown in fig. 2, in this embodiment, the heating areas of the first heating plate 1 and the second heating plate 2 are respectively etched into required heating wires, and the wires are designed according to specific application requirements, so as to achieve a more accurate and uniform heating distribution effect, and the two heating wires are communicated, preferably at the tail ends of the two wires, through silver paste plug holes (i.e. the holes are filled with silver paste and serve as upper and lower layers of copper conduction), through hole electroplating and other modes.
Further, as shown in fig. 2, in the present embodiment, the first insulating film 4, the second insulating film 5 and the third insulating film 6 are all polyimide films, and polyimide has excellent mechanical properties, is insoluble in organic solvents, can resist very low temperatures, has good dielectric properties, has little vacuum outgassing, and has high radiation resistance.
As described above, in the low electromagnetic heating sheet according to the embodiment of the utility model, complete demagnetization can be realized, negative influence of the magnetic field generated by the energizing current of the heating sheet on the measurement accuracy of the instrument is avoided, and accurate and reliable results are ensured in the experimental or measurement process.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (6)
1. A low electromagnetic heating sheet comprising: the first heating piece, the second heating piece, the isolation layer, the first insulating film, the second insulating film and the third insulating film;
the first heating plate and the second heating plate are used for providing heat;
the first insulating film, the first heating plate, the isolation layer, the second heating plate and the second insulating film are sequentially stacked, the heating area of the first heating plate and the heating area of the second heating plate are arranged in a mirror image mode by taking the isolation layer as a mirror image surface, and the third insulating film is arranged on any side of the isolation layer.
2. The low electromagnetic heating sheet of claim 1, wherein the barrier layer is an epoxy glue layer.
3. The low electromagnetic heater of claim 1, wherein said first heater plate and said second heater plate are of the same material.
4. The low electromagnetic heater plate of claim 3, wherein said first heater plate and said second heater plate are constantan heater plates.
5. The low electromagnetic heating sheet of claim 1, wherein the heating areas of the first heating sheet and the second heating sheet are heating wires respectively, and the two heating wires are communicated.
6. The low electromagnetic heating sheet of claim 1, wherein the first insulating film sheet, the second insulating film sheet, and the third insulating film sheet are polyimide films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322204201.0U CN220606109U (en) | 2023-08-16 | 2023-08-16 | Low electromagnetic heating sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322204201.0U CN220606109U (en) | 2023-08-16 | 2023-08-16 | Low electromagnetic heating sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220606109U true CN220606109U (en) | 2024-03-15 |
Family
ID=90176685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322204201.0U Active CN220606109U (en) | 2023-08-16 | 2023-08-16 | Low electromagnetic heating sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220606109U (en) |
-
2023
- 2023-08-16 CN CN202322204201.0U patent/CN220606109U/en active Active
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