CN221240513U - Far infrared radiation heating plate and explosion-proof type electric heating equipment - Google Patents
Far infrared radiation heating plate and explosion-proof type electric heating equipment Download PDFInfo
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- CN221240513U CN221240513U CN202323034969.4U CN202323034969U CN221240513U CN 221240513 U CN221240513 U CN 221240513U CN 202323034969 U CN202323034969 U CN 202323034969U CN 221240513 U CN221240513 U CN 221240513U
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Abstract
The utility model belongs to the technical field of electric heating, and particularly relates to a far infrared radiation heating plate and explosion-proof electric heating equipment. Comprises a heating plate body; the heating plate body comprises a metal substrate, a heat conduction insulating layer, a conductor circuit layer, a heating circuit layer and an encapsulation layer which are arranged from bottom to top, wherein the heating circuit layer is formed by printing far infrared radiation electronic paste, the heating circuit layer and the conductor circuit layer form a loop to conduct electricity and heat, and the conductor circuit layer is connected with a binding post and is used for connecting a power line; the radiation layer is arranged on one side of the metal substrate, which is opposite to the heat conduction insulating layer, and is formed by printing far infrared medium slurry, and the radiation layer is used for radiating heat energy. The utility model realizes the purpose of uniform baking by a far infrared radiation heating mode and has the advantages of high heating efficiency and low energy consumption.
Description
Technical Field
The utility model belongs to the technical field of electric heating, and particularly relates to a far infrared radiation heating plate and explosion-proof electric heating equipment.
Background
The coating equipment is mainly applied to the rubberizing coating and the compound processing of various reel base materials such as polymer films, papers, metal foils, cloth, leather and the like, the coated product needs to be subjected to a drying section, the drying section plays the role of volatilizing volatile substances such as water or solvent in coating substances, and meanwhile plays the role of heating and curing, so that the heating process after coating plays a vital role in the coating production process.
In a drying section of a coating production line, a traditional electric heating tube device is basically used for drying at present, however, the traditional electric heating tube device drying mode has the problems that besides low heating efficiency and high energy consumption, the outer part of the material is firstly dried, the central part of the material is baked and does not reach the standard, and if the moisture of the middle part completely reaches the standard, the outer part is excessively baked and the active material falls off.
Therefore, there is a need for a far infrared radiation heating plate and an explosion-proof type electric heating apparatus which have high heating efficiency, low energy consumption, and uniform baking.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, provides a far infrared radiation heating plate and an explosion-proof type electric heating device, realizes the purpose of uniform baking in a far infrared radiation heating mode, and has the advantages of high heating efficiency and low energy consumption.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A far infrared radiation heating plate, comprising:
A heating plate body;
The heating plate body comprises a metal substrate, a heat conduction insulating layer, a conductor circuit layer, a heating circuit layer and an encapsulation layer which are arranged from bottom to top, wherein the heating circuit layer is formed by printing far infrared radiation electronic paste, the heating circuit layer and the conductor circuit layer form a loop to conduct electricity and heat, and the conductor circuit layer is connected with a binding post and is used for connecting a power line;
The radiation layer is arranged on one side of the metal substrate, which is opposite to the heat conduction insulating layer, and is formed by printing far infrared medium slurry, and the radiation layer is used for radiating heat energy.
Further, the heat-conducting insulating layer is heat-conducting modified high-temperature epoxy resin or heat-conducting polyimide glue attached to the surface of the metal substrate.
Further, the encapsulation layer is heat-insulating modified high-temperature epoxy resin or heat-insulating polyimide adhesive which is completely covered on the heating circuit layer.
Further, the conductor circuit layer is a graphene heating layer.
Further, the metal substrate is a stainless steel plate, and the thickness of the metal substrate is 0.5-2.0mm.
The utility model also provides explosion-proof type electric heating equipment, which comprises the far infrared radiation heating plate and further comprises a metal explosion-proof cover, wherein the opening end of the metal explosion-proof cover is matched with the shape of the heating plate body, the metal substrate is fixed at the opening end of the metal explosion-proof cover, the heat conduction insulating layer, the conductor circuit layer, the heating circuit layer and the encapsulation layer are positioned in the metal explosion-proof cover, and the radiation layer is positioned outside the metal explosion-proof cover.
Further, a temperature control probe is arranged on the inner side of the metal explosion-proof cover and used for detecting the temperature of the far infrared radiation heating plate, and the temperature of the far infrared radiation heating plate is controlled within a preset range according to the temperature detected by the temperature control probe.
Furthermore, an overtemperature protection probe is arranged on the inner side of the metal explosion-proof cover and used for overtemperature protection of the far infrared radiation heating plate.
Further, a flange plate is arranged on the side face of the metal explosion-proof cover.
Further, the side face of the metal explosion-proof cover is provided with a hanging lug.
The utility model has the beneficial effects that:
According to the utility model, the heating circuit layer formed by printing the far infrared radiation electronic paste is arranged in the heating plate body, so that loop conduction heating can be formed between the heating circuit layer and the conductor circuit layer, the purpose of uniform baking is realized by matching with the radiation heat energy of the radiation layer in a radiation conduction mode, the heating efficiency is high, and the energy consumption is low; the heating plate body with the plate-shaped structure can adjust the heating area according to the size of the heating object in a mode of increasing or decreasing the number of the heating plate bodies or changing the size of the heating plate body, so that the electric heating conversion efficiency is high; the heating plate body is arranged on the metal explosion-proof cover to form explosion-proof electric heating equipment, and the heat conducting insulating layer, the conductor circuit layer, the heating circuit layer and the encapsulating layer are arranged in the metal explosion-proof cover, so that the metal explosion-proof cover is prevented from contacting external explosive gas and can be applied to an explosive environment; the temperature control probe is used for controlling the temperature of the heating plate body; the over-temperature protection probe is arranged for realizing over-temperature protection of the heating plate body; the flange plate is arranged, so that the connection of the explosion-proof line pipe is facilitated; the utility model realizes the purpose of uniform baking by a far infrared radiation heating mode and has the advantages of high heating efficiency and low energy consumption.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of an explosion-proof electric heating apparatus of the present utility model;
FIG. 2 is a schematic structural view of the explosion-proof electric heating apparatus of the present utility model;
Fig. 3 is a schematic structural view of the far infrared radiation heating plate of the present utility model;
The marks in the figure are as follows: 1-a heating plate body, 110-a metal substrate, 120-a heat conduction insulating layer, 130-a conductor circuit layer, 131-a binding post, 140-a heating circuit layer, 150-an encapsulation layer and 160-a radiation layer; 2-metal explosion-proof cover, 210-temperature control probe, 220-overtemperature protection probe, 230-flange plate and 240-hanging lug.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, 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" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 3, there is shown an embodiment of a far infrared radiation heating plate and an explosion-proof type electric heating apparatus provided by the present utility model.
Examples
Referring to fig. 3, the far infrared radiation heating plate includes:
a heating plate body 1;
The heating plate body 1 comprises a metal substrate 110, a heat conduction insulating layer 120, a conductor circuit layer 130, a heating circuit layer 140 and an encapsulation layer 150 which are arranged from bottom to top, wherein the heating circuit layer 140 is formed by printing far infrared radiation electronic paste, the heating circuit layer 140 and the conductor circuit layer 130 form a loop to conduct heat, and the conductor circuit layer 130 is connected with a binding post 131 for connecting a power line;
The radiation layer 160 is disposed on a side of the metal substrate 110 opposite to the heat conducting insulating layer 120, the radiation layer 160 is formed by printing far infrared dielectric paste, and the radiation layer 160 is used for radiating heat energy.
In the above embodiment, the heating circuit layer 140 formed by printing the far-infrared radiation electronic paste is arranged in the heating plate body 1, so that the heating circuit layer can form loop conduction with the conductor circuit layer 130 to generate heat, and the radiation layer 160 is matched to radiate heat energy to the heating object, so that the purpose of uniform baking is realized by adopting a radiation conduction mode, the heating efficiency is high, and the energy consumption is low. In the embodiment, the metal substrate 110 is a plate-shaped structure, so that the heating plate body 1 can be arranged regularly, and the heating area can be adjusted by increasing or decreasing the number of the heating plate bodies according to the size of the heating object, or the size of the heating plate body 1 can be changed according to the size of the heating object in the production stage of the heating plate body 1, so as to increase the radiation area. The heating plate body 1 with a plate-shaped structure is adopted, the electrothermal conversion efficiency reaches 98 percent, and the electrothermal conversion efficiency is high.
Referring to fig. 3, in the above embodiment, the heat conductive insulating layer 120 is a heat conductive modified high temperature epoxy or a heat conductive polyimide adhesive attached to the surface of the metal substrate 110. In an embodiment, a heat-conducting insulating paste such as a heat-conducting modified high-temperature epoxy resin or a heat-conducting polyimide adhesive is uniformly manufactured on a substrate by a method of silk screen printing, spraying, dispensing or spray printing, and is cured and repeated until the required insulating thickness is obtained, so that the heat-conducting insulating layer 120 is formed. The heat conductive insulating layer 120 is interposed between the metal substrate 110 and the conductor line layer 130, and performs an insulating function while conducting heat of the conductor line layer 130 to the metal substrate 110 through the heat conductive insulating layer 120.
In the above embodiment, the encapsulation layer 150 is a heat-insulating modified high-temperature epoxy resin or a heat-insulating polyimide resin that completely covers the heat-generating circuit layer 140. In an embodiment, a heat-insulating paste such as a heat-insulating modified high-temperature epoxy resin or a heat-insulating polyimide adhesive is coated on the heat-generating circuit layer 140 by silk screen printing, spraying, dispensing or spray printing, and then cured, thereby forming the encapsulation layer 150.
In the above embodiment, the conductor line layer 130 is a graphene heat generating layer. In the embodiment, the heating circuit layer 140 is made of graphene, far infrared rays can be generated during heating and use, far infrared light waves of the far infrared radiation of the graphene are adjustable between 3 microns and 20 microns, and the far infrared light waves form matched wavelength absorption with components such as water molecules and solvents in the dried material, after the molecules and atoms absorb infrared rays, energy level transition can occur, the amplitude of various movements taking the balance position as the center is enlarged, and the energy of the particles is increased. The macroscopic reflection of the exacerbation of the microstructure particle motion is an increase in the temperature of the object, i.e. a spontaneous heating effect is generated after the substance absorbs infrared light. Since such a thermal effect is directly generated inside the object, the substance can be heated quickly and efficiently. The graphene far infrared radiation heating plate replaces the traditional heat source, and the heating efficiency is improved.
In the above embodiment, the metal substrate 110 is a stainless steel plate, and the thickness of the metal substrate 110 is 0.5-2.0mm.
Examples
The active material component volatilized in some of the coating materials creates an environment surrounding the explosive gas, which may be a source of ignition, in such applications where the heating device is required to meet explosion proof requirements.
To this end, referring to fig. 1 and 2, the present embodiment provides an explosion-proof electric heating apparatus, which includes the far infrared radiation heating plate of embodiment 1, and further includes a metal explosion-proof cover 2, wherein an opening end of the metal explosion-proof cover 2 is adapted to a shape of the heating plate body 1, a metal substrate 110 is fixed at the opening end of the metal explosion-proof cover 2, a heat conducting insulating layer 120, a conductor circuit layer 130, a heating circuit layer 140 and an encapsulation layer 150 are located in the metal explosion-proof cover 2, and a radiation layer 160 is located outside the metal explosion-proof cover 2. In the embodiment, the metal explosion-proof cover 2 and the heating plate body 1 together form a closed space in the metal explosion-proof cover 2, so that the metal explosion-proof cover 2 is completely isolated from the metal explosion-proof cover 2 by the heat conducting insulating layer 120, the conductor circuit layer 130, the heating circuit layer 140 and the encapsulating layer 150 in the metal substrate 110, and air is prevented from entering the metal explosion-proof cover 2, thereby achieving the explosion-proof purpose.
Referring to fig. 1 and 2, in the above embodiment, a temperature control probe 210 is disposed inside the metal explosion-proof housing 2, and the temperature control probe 210 is used to detect the temperature of the far-infrared radiation heating plate, and the temperature of the far-infrared radiation heating plate is controlled within a preset range according to the temperature detected by the temperature control probe 210. An overtemperature protection probe 220 is arranged on the inner side of the metal explosion-proof cover 2, and the overtemperature protection probe 220 is used for overtemperature protection of the far infrared radiation heating plate.
Referring to fig. 1 and 2, in the above embodiment, the side of the metal explosion proof housing 2 is provided with a flange 230. In the embodiment, the flange 230 is used for connecting an explosion-proof tube, and is connected to the binding post 131 through the explosion-proof tube to supply power to the heating plate body 1, and air in the metal explosion-proof cover 2 can also extend into a non-explosive environment outside the processing equipment through the explosion-proof tube, so that gas in the metal explosion-proof cover 2 is communicated with ambient pressure gas through the explosion-proof tube.
Referring to fig. 1 and 2, in the above embodiment, the metal explosion-proof housing 2 is provided with a hanging tab 240 on a side surface. In an embodiment, the lugs 240 are configured to hang into the processing apparatus.
Examples
The embodiment provides a production and manufacturing process of the explosion-proof electric heating device of embodiment 2, which specifically includes the following steps:
Step 1, determining the object heated by the electric heating equipment, determining the voltage of a power supply, calculating the power required to be configured by the area, the heating temperature, the time, the specific heat capacity, the volume, the temperature rise, the heat preservation time and the like of the electric heating equipment, calculating the sheet resistance of heating slurry through ohm law, determining the distribution and the density of etching lines according to the power and the sheet resistance, wherein the material of the metal substrate 110 can be selected from stainless steel materials with stronger corrosion resistance such as SUS304
Step 2, pre-treating the surface of the metal substrate 110, where the pre-treating method includes: one or more of cleaning, degreasing, phosphating, polishing, and sandblasting, in combination, to ensure adhesion of the thermally conductive insulating layer 120 to the metal substrate 110;
Step 3, manufacturing a heat-conducting insulating layer 120, uniformly manufacturing the heat-conducting insulating slurry on the metal substrate 110 by silk screen printing, spraying, dispensing or spray printing and other methods, solidifying, and repeating the steps to obtain the required insulating thickness;
step 4, manufacturing a conductor circuit layer 130, and attaching high-temperature silver paste on the surface of the heat-conducting insulating layer 120 by silk screen printing, spraying, dispensing or spray printing;
step 5, manufacturing a heating circuit layer 140, manufacturing infrared radiation resistance paste on the conductor circuit layer 130 by silk screen printing, spraying, dispensing or spray printing and the like, and solidifying the infrared radiation resistance paste, wherein the insulation material is matched with a required resistance value by selecting different sheet resistances;
Step 6, leading out the binding post 131, and attaching the high-temperature ceramic binding post 131 to the conductor circuit layer 130 so that the heating circuit layer 140 can be connected with a power supply;
Step 7, manufacturing an encapsulation layer 150, namely completely covering the heat-insulating modified high-temperature epoxy resin or the heat-insulating polyimide adhesive on the heating circuit layer 140 by using methods such as screen printing, spraying, dispensing or spray printing, putting the heat-insulating modified high-temperature epoxy resin or the heat-insulating polyimide adhesive into a curing machine, and curing the heat-insulating polyimide adhesive for 2 hours at 300 ℃, wherein the obtained container has the function of being capable of being connected with a power supply for heating;
Step 8, manufacturing a radiation layer 160, manufacturing the infrared radiation layer 160 on the back of the metal substrate 110 by screen printing, spraying and other methods, and curing;
step 9, welding the metal explosion-proof cover 2, and welding the processed heating plate body 1 and the metal explosion-proof cover 2, so that the heating circuit layer 140 and the binding post 131 of the heating plate body 1 are both positioned in the metal explosion-proof cover 2;
And 10, installing an explosion-proof tube, and connecting the explosion-proof tube with a flange opening on the sealing cover through a flange plate 230.
In summary, the present embodiment provides a far-infrared radiation heating plate and an explosion-proof electric heating apparatus, in which a heating circuit layer 140 formed by printing far-infrared radiation electronic paste is disposed in a heating plate body 1, so that a loop can be formed with a conductor circuit layer 130 to conduct heat, and the purpose of uniform baking is achieved by matching with a radiation layer 160 to radiate heat energy, so that the heating efficiency is high and the energy consumption is low; the heating plate body 1 with a plate-shaped structure can adjust the heating area according to the size of a heating object in a mode of increasing or decreasing the number of the heating plate bodies or changing the size of the heating plate body 1, so that the electric heating conversion efficiency is high; the heating plate body 1 is arranged on the metal explosion-proof cover 2 to form explosion-proof electric heating equipment, and the heat conduction insulating layer 120, the conductor circuit layer 130, the heating circuit layer 140 and the encapsulation layer 150 are arranged in the metal explosion-proof cover 2, so that the metal explosion-proof cover 2 is prevented from contacting external explosive gas and can be applied to an explosive environment; by providing the temperature control probe 210, the temperature control probe is used for controlling the temperature of the heating plate body 1; by arranging the overtemperature protection probe 220, the overtemperature protection of the heating plate body 1 is realized; by arranging the flange 230, the connection of the explosion-proof line pipe is facilitated; the embodiment realizes the purpose of uniform baking by a far infrared radiation heating mode and has the advantages of high heating efficiency and low energy consumption.
The above-described embodiments are only one of the preferred embodiments of the present utility model, and the ordinary changes and substitutions made by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A far infrared radiation heating plate, characterized by comprising:
A heating plate body (1);
The heating plate body (1) comprises a metal substrate (110), a heat conducting insulating layer (120), a conductor circuit layer (130), a heating circuit layer (140) and an encapsulating layer (150) which are arranged from bottom to top, wherein the heating circuit layer (140) is formed by printing far infrared radiation electronic paste, the heating circuit layer (140) and the conductor circuit layer (130) form a loop to conduct heat, and the conductor circuit layer (130) is connected with a binding post (131) for connecting a power line;
The radiation layer (160) is arranged on one side, facing away from the heat conduction insulating layer (120), of the metal substrate (110), the radiation layer (160) is formed by printing far infrared medium slurry, and the radiation layer (160) is used for radiating heat energy.
2. The far infrared radiation heating plate as set forth in claim 1, wherein the heat conductive insulating layer (120) is a heat conductive modified high temperature epoxy or a heat conductive polyimide adhesive attached to the surface of the metal substrate (110).
3. The far infrared radiation heating plate as set forth in claim 2, wherein the encapsulation layer (150) is a heat-insulating modified high temperature epoxy resin or a heat-insulating polyimide resin which is entirely covered on the heat-generating circuit layer (140).
4. A far infrared radiation heating plate as claimed in any one of claims 1-3, characterized in that the conductor track layer (130) is a graphene heating layer.
5. A far infrared radiation heating plate as claimed in any one of claims 1-3, characterized in that the metal base plate (110) is a stainless steel plate, and the thickness of the metal base plate (110) is 0.5-2.0mm.
6. An explosion-proof type electric heating device, characterized by comprising the far infrared radiation heating plate according to any one of claims 1-5, and further comprising a metal explosion-proof cover (2), wherein the opening end of the metal explosion-proof cover (2) is adapted to the shape of the heating plate body (1), the metal substrate (110) is fixed at the opening end of the metal explosion-proof cover (2), the heat conducting insulating layer (120), the conductor circuit layer (130), the heating circuit layer (140) and the encapsulation layer (150) are positioned in the metal explosion-proof cover (2), and the radiation layer (160) is positioned outside the metal explosion-proof cover (2).
7. An explosion-proof electric heating apparatus according to claim 6, wherein a temperature control probe (210) is provided inside the metal explosion-proof cover (2), the temperature control probe (210) is configured to detect the temperature of the far infrared radiation heating plate, and the temperature is controlled within a preset range by the far infrared radiation heating plate according to the temperature detected by the temperature control probe (210).
8. An explosion-proof electric heating apparatus as claimed in claim 7, wherein an overtemperature protection probe (220) is provided on the inner side of the metal explosion-proof cover (2), and the overtemperature protection probe (220) is used for overtemperature protection of the far infrared radiation heating plate.
9. An explosion-proof electrical heating apparatus as claimed in claim 6, wherein the side of the metal explosion-proof housing (2) is provided with a flange (230).
10. An explosion-proof electrical heating apparatus as claimed in claim 6, wherein the side of the metal explosion-proof housing (2) is provided with lugs (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323034969.4U CN221240513U (en) | 2023-11-10 | 2023-11-10 | Far infrared radiation heating plate and explosion-proof type electric heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323034969.4U CN221240513U (en) | 2023-11-10 | 2023-11-10 | Far infrared radiation heating plate and explosion-proof type electric heating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221240513U true CN221240513U (en) | 2024-06-28 |
Family
ID=91593661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323034969.4U Active CN221240513U (en) | 2023-11-10 | 2023-11-10 | Far infrared radiation heating plate and explosion-proof type electric heating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221240513U (en) |
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2023
- 2023-11-10 CN CN202323034969.4U patent/CN221240513U/en active Active
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