CN215073023U - Can replace novel complex body hot plate of traditional electric heater chip of railway - Google Patents

Abstract

The utility model belongs to the technical field of the hot plate, and a can replace novel complex body hot plate of traditional electric heater chip of railway is disclosed, generate heat the layer including iron chromium aluminium, the equal fixed mounting in upper and lower both sides on iron chromium aluminium generates heat the layer has the polyimide film, the equal fixed mounting in upper and lower both sides of polyimide film has the silica gel cloth insulating layer, the outside fixed mounting on silica gel cloth insulating layer has aluminium alloy housing, aluminium alloy housing's surface spraying has graphite alkene coating. The utility model discloses an adopt indisputable chromium aluminium layer that generates heat to replace original nickel-chromium substrate, under the same higher service temperature, very big increase the life of device, iron irons the aluminium material and has the surface load height, it is fast to heat up, and the proportion is little, and the advantage that the resistivity is high adopts the surface spraying graphite alkene material at the device to dispel the heat for the thermal conduction speed of device has improved the thermal efficiency of device, has reduced energy resource consumption, has good environmental protection effect.

Description

Can replace novel complex body hot plate of traditional electric heater chip of railway

Technical Field

The utility model belongs to the technical field of the hot plate, specifically a can replace novel complex body hot plate of traditional electric heater chip of railway.

Background

The heating plate is a form of utilizing electric energy, and usually an electric heater is arranged in a carriage to heat the carriage in a railway train, and a heating chip is usually required to heat water in the heating device.

The existing heating chip is mostly made of nickel-chromium materials as heating base materials, the highest service temperature of nickel-chromium alloy is one thousand two hundred degrees centigrade, the service life is short, the specific gravity is high, the resistivity is low, heat transfer is carried out by utilizing the nickel-chromium alloy, the heat conduction speed is low, the heat efficiency of the device is caused to be low, and the environment-friendly effect of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a can replace novel complex body hot plate of traditional electric heater chip of railway has the thermal efficiency height, and environmental protection is effectual, long service life's advantage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can replace novel complex body hot plate of traditional electric heater chip of railway, includes iron chromium aluminium layer that generates heat, the equal fixed mounting in upper and lower both sides on iron chromium aluminium layer that generates heat has the polyimide film, the equal fixed mounting in upper and lower both sides of polyimide film has the silica gel cloth insulating layer, the outside fixed mounting of silica gel cloth insulating layer has the aluminium alloy shell, the surface spraying of aluminium alloy shell has the graphite alkene coating.

As a preferred technical scheme of the utility model, the mounting hole has all been seted up on iron chromium aluminium layer, polyimide film, silica gel cloth insulating layer, aluminium alloy shell and graphene coating's surface, the shape of mounting hole is waist shape, and waist shape hole design through the mounting hole can make the device when installing, can conveniently adjust the position of device, has reduced the installation degree of difficulty of device.

As an optimal technical scheme of the utility model, the length value and the width value homogeneous phase of iron chromium aluminium layer, polyimide film and silica gel cloth insulating layer that generate heat equal, the thickness value on iron chromium aluminium layer that generates heat is 0.03 millimeter, adopts iron chromium aluminium layer that generates heat to replace original nickel-chromium substrate to use the etching technique to replace original electric heat wire winding technology, the etching circuit guarantees to generate heat evenly stably, iron chromium aluminium service temperature can reach one thousand four hundred degrees centigrade, original use temperature has been improved, simultaneously under the same higher use temperature, the life-span of iron chromium aluminium component can be the 2-4 times very big life that has increased the device of nickel-chromium component.

As an optimized technical proposal of the utility model, the aluminum profile shell wraps the iron-chromium-aluminum heating layer, the polyimide film and the silica gel cloth insulating layer completely, the height value of the inner cavity of the aluminum profile shell is equal to the sum of the height values of the iron-chromium-aluminum heating layer, the polyimide film and the silica gel cloth insulating layer, the length value and the width value of the inner cavity of the aluminum profile shell are equal to the length value and the width value of the iron-chromium-aluminum heating layer, the aluminum profile shell is an aluminum profile and has good heat conduction performance, and the graphene coating sprayed on the aluminum profile shell can achieve good heat dissipation effect, improve the heat conversion efficiency, utilize the high heat conductivity and the high radiation rate of the graphene material to conduct heat from the substrate to the coating surface quickly and to the environment through the form of heat radiation, so that the heating performance of the device is stable, the heat dissipation is even, and the overtemperature phenomenon can not occur, can resist the high temperature of 300 ℃ for a long time and has corrosion resistance.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an adopt indisputable chromium aluminium layer that generates heat to replace original nickel-chromium substrate, and use the etching technique to replace original electric heat wire winding technology, the etching circuit guarantees to generate heat evenly stably, under the same higher use temperature, the life-span of indisputable chromium aluminium component can be for the 2-4 times very big increase of nickel-chromium component the life-span of device, and for nickel-chromium material, indisputable iron aluminium material has the surface load height, it is fast to heat up, the proportion is little, the advantage that the resistivity is high, adopt the surface coating graphite alkene material at the device to dispel the heat, make the thermal conduction speed of device, the thermal efficiency of device is improved, energy resource consumption is reduced, good environmental protection effect has.

2. The utility model discloses an adopt the double-deck insulating design of polyimide film and silica gel cloth insulating layer, avoided the risk of device electric leakage, simultaneously, iron chromium aluminium generates heat layer, polyimide film and silica gel cloth insulating layer and is high temperature resistant material, still has good radiation resistance and anti chemical corrosion ability when having good high temperature resistance, very big improvement the security performance of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is the schematic view of the structural iron-chromium-aluminum heating layer explosion connection of the utility model.

In the figure: 1. an iron-chromium-aluminum heating layer; 2. a polyimide film; 3. a silica gel cloth insulating layer; 4. an aluminum profile shell; 5. a graphene coating; 6. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model provides a can replace novel complex body hot plate of traditional electric heater chip of railway, including iron chromium aluminium layer 1 that generates heat, the equal fixed mounting in upper and lower both sides on iron chromium aluminium layer 1 that generates heat has polyimide film 2, the equal fixed mounting in upper and lower both sides of polyimide film 2 has silica gel cloth insulating layer 3, and the outside fixed mounting of silica gel cloth insulating layer 3 has aluminium alloy housing 4, and aluminium alloy housing 4's surface spraying has graphite alkene coating 5.

Wherein, mounting hole 6 has all been seted up on iron chromium aluminium generate heat layer 1, polyimide film 2, silica gel cloth insulating layer 3, aluminium alloy housing 4 and graphene coating 5's surface, and the shape of mounting hole 6 is waist shape, and waist shape hole design through mounting hole 6 can make the device when installing, can conveniently adjust the position of device, has reduced the installation degree of difficulty of device.

Wherein, the length value and the width value homoenergetic of iron chromium aluminium heating layer 1, polyimide film 2 and silica gel cloth insulating layer 3 are equal, the thickness value of iron chromium aluminium heating layer 1 is 0.03 millimeter, adopt iron chromium aluminium heating layer 1 to replace original nickel-chromium substrate, and use the etching technique to replace original electric heat wire winding technology, the etching circuit guarantees to generate heat evenly stably, iron chromium aluminium service temperature can reach one thousand four hundred degrees centigrade, original service temperature has been improved, simultaneously under the same higher service temperature, the life-span of iron chromium aluminium component can be for the 2-4 times very big life-span that has increased the device of nickel chromium component.

Wherein, the aluminum profile shell 4 wraps the iron-chromium-aluminum heating layer 1, the polyimide film 2 and the silica gel cloth insulating layer 3 completely, the height value of the inner cavity of the aluminum profile shell 4 is equal to the sum of the height values of the iron-chromium-aluminum heating layer 1, the polyimide film 2 and the silica gel cloth insulating layer 3, the length value and the width value of the inner cavity of the aluminum profile shell 4 are equal to the length value and the width value of the iron-chromium-aluminum heating layer 1, the aluminum profile shell 4 is an aluminum profile and has good heat conduction performance, the graphene coating 5 sprayed on the aluminum profile shell 4 can achieve good heat dissipation effect, the heat conversion efficiency is improved, the heat is quickly conducted to the surface of the coating from high heat conductivity and high radiation rate of the graphene material, and is conducted to the environment through the form of heat radiation, so that the heating performance of the device is stable, the heat dissipation is even, the over-temperature phenomenon can not occur, and the substrate can resist the high temperature of 300 ℃ for a long time, and has corrosion resistance.

The utility model discloses a theory of operation and use flow:

when in use, the device is placed in a water tank of a heater, the device is fixed in the water tank through the mounting hole 6, then the device is electrified, so that the device heats water, when in heating, the iron-chromium-aluminum heating layer 1 is adopted to replace the original nickel-chromium base material, the etching technology is applied to replace the original electric heating wire winding process, an etching circuit ensures uniform and stable heating, the use temperature of the iron-chromium-aluminum can reach one thousand four hundred degrees centigrade, the original use temperature is improved, meanwhile, under the same higher use temperature, the service life of the iron-chromium-aluminum element can be greatly prolonged by 2-4 times of that of the nickel-chromium element, compared with the nickel-chromium material, the iron-chromium-aluminum material has the advantages of high surface load, fast temperature rise, small specific gravity and high resistivity, the oxidation resistance and the vulcanization resistance are both superior to those of nickel-chromium alloy, and by using the polyimide film 2, the polyimide film 2 has high temperature resistance of more than four hundred ℃, a long-term use temperature range of-200-300 ℃, high insulativity, a dielectric constant of 4.0 at 103 Hz and dielectric loss of only 0.004-0.007, belongs to F-H grade insulating materials, has outstanding high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulating property, excellent thermal stability, chemical corrosion resistance and mechanical property, very small creep deformation of thermosetting polyimide, and higher tensile strength, the polyimide film 2 has stable chemical property, can prevent combustion without adding a flame retardant by using the polyimide film 2, has chemical solvent resistance such as hydrocarbons, esters, ethers, alcohols and fluorochloranes, and has outstanding high temperature resistance by adding a silica gel cloth insulating layer 3 outside the polyimide film 2 as a guarantee to ensure the insulating and pressure-resisting performance of products and realize good heat conduction, and the silica gel cloth insulating layer 3 has outstanding high temperature resistance, the application range is-40 ℃ to +300 ℃, the excellent heat conduction performance is about 1.5W/m-k, the heat conduction coefficient is about 1.5W/m-k, the chemical corrosion resistance and electric insulation performance are good, the flame retardant performance and the voltage resistance performance are good, when in use, the heat conduction coefficient can reach 6.5kV/mm, the iron-chromium-aluminum heating layer 1, the polyimide film 2 and the silicon rubber cloth insulation layer 3 are wrapped through the aluminum profile shell 4, the aluminum profile shell 4 is an aluminum profile and has good heat conduction performance, the graphene coating 5 sprayed on the aluminum profile shell 4 can achieve good heat dissipation effect, the heat conversion efficiency is improved, the high heat conduction rate and high radiation rate of the graphene material are utilized to quickly conduct heat from a substrate to the coating surface and conduct the heat to the environment through the heat radiation form, so that the heating performance of the device is stable and the heat dissipation is uniform, the over-temperature phenomenon can not occur, and the high temperature of 300 ℃ can be resisted for a long time, and has corrosion resistance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a can replace novel complex body hot plate of traditional electric heater chip of railway, includes iron chromium aluminium layer (1) that generates heat, its characterized in that: the iron-chromium-aluminum heating cable is characterized in that a polyimide film (2) is fixedly mounted on the upper side and the lower side of the iron-chromium-aluminum heating layer (1), a silica gel cloth insulating layer (3) is fixedly mounted on the upper side and the lower side of the polyimide film (2), an aluminum profile shell (4) is fixedly mounted on the outer side of the silica gel cloth insulating layer (3), and a graphene coating (5) is sprayed on the outer surface of the aluminum profile shell (4).

2. The novel composite heating plate capable of replacing a traditional railway electric heater chip as claimed in claim 1, wherein: mounting hole (6) have all been seted up on the surface of iron chromium aluminium layer that generates heat (1), polyimide film (2), silica gel cloth insulating layer (3), aluminium alloy housing (4) and graphite alkene coating (5), the shape of mounting hole (6) is waist shape.

3. The novel composite heating plate capable of replacing a traditional railway electric heater chip as claimed in claim 1, wherein: the length value and the width value of the iron-chromium-aluminum heating layer (1), the polyimide film (2) and the silica gel cloth insulating layer (3) are equal, and the thickness value of the iron-chromium-aluminum heating layer (1) is 0.03 mm.

4. The novel composite heating plate capable of replacing a traditional railway electric heater chip as claimed in claim 1, wherein: aluminium alloy shell (4) generate heat layer (1), polyimide film (2) and silica gel cloth insulating layer (3) parcel completely with iron chromium aluminium, the height value of aluminium alloy shell (4) inner chamber equals the height value sum of iron chromium aluminium generate heat layer (1), polyimide film (2) and silica gel cloth insulating layer (3), the length value and the width value of aluminium alloy shell (4) inner chamber are equallyd equal in the length value and the width value of iron chromium aluminium generate heat layer (1).

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