CN215013614U

CN215013614U - Metal composite enamel heating body for electronic cigarette

Info

Publication number: CN215013614U
Application number: CN202120550511.6U
Authority: CN
Inventors: 何祥勇; 伍习飞; 王平
Original assignee: Jiangxi Yichuang New Materials Co ltd
Current assignee: Jiangxi Yichuang New Materials Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-12-07
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to a metal composite enamel heating body for electronic cigarette in the technical field of electronic cigarette, which comprises a metal bar, wherein two spiral grooves are arranged on the metal bar, one ends of the two spiral grooves, which are close to the tip part of the metal bar, are mutually communicated, a heating wire is arranged in the two spiral grooves, and two wiring ends of the heating wire are both positioned at the end part of the metal bar; the outer surface of the metal rod is provided with a second heat conduction insulating layer, the outer part of the arc-shaped heat conduction insulating layer at the end part of the metal rod is provided with a heat insulating layer, and two wiring ends of the heating wire sequentially penetrate through the second arc-shaped heat conduction insulating layer and the heat insulating layer to be connected with wiring terminals. The utility model has simple and reasonable structure, convenient production, no need of noble metals such as silver, palladium, platinum, gold and the like as raw materials, extremely low production cost and suitability for batch production; the metal bar heating device has the advantages of high heat conductivity, high strength, high heating speed, uniformity in heating of the whole metal bar, high outward heat transfer speed and improvement of user experience.

Description

Metal composite enamel heating body for electronic cigarette

Technical Field

The utility model relates to an electron cigarette equipment technical field specifically, relates to a metal composite enamel heating member for electron cigarette.

Background

The electronic cigarette has the advantages of no combustion, no generation of toxic and harmful substances such as carbon monoxide, tar, dust and the like, and is rapidly developed in the world after being seen; the heating body is used as a core component of the electronic cigarette, and determines the smoking taste and performance quality level of the electronic cigarette. At present, the mainstream electronic cigarette heating body in the market adopts ceramic sintered at high temperature and silver palladium, platinum, gold and the like as electrode materials for matching use. However, the heating element for electronic cigarette produced by the above process not only has the disadvantages of low heat conductivity coefficient of the heating element, uneven temperature distribution of the whole heating element and the like, but also has the problems of low heating speed of the heating element, high temperature of a welding zone, high power consumption, large temperature difference of the surface of the heating element and the like. In addition, the electrode material adopts precious metals such as silver, palladium, platinum, gold and the like as a heating circuit, so that the production cost is high and the production process requirement is strict.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a metal composite enamel heating body for an electronic cigarette, which comprises a metal rod, wherein the metal rod is sequentially divided into a tip part, a heating part and an end part from top to bottom;

the heating part is uniformly provided with two parallel spiral grooves, one ends of the two spiral grooves, which are close to the tip part of the metal rod, are mutually communicated, the inner wall of each spiral groove is provided with a first heat conduction insulating layer, a heating wire is arranged in each spiral groove, and two wiring ends of each heating wire are positioned at the end part of the metal rod; the metal rod winding heater forms the heating circuit, and the heater winding is in spiral groove, and two wiring ends of heater all do not contact with the metal rod, can not produce the short circuit, and simultaneously, the existence of metal rod can disperse the heating wire release heat rapidly and even distribution to whole metal rod place region, can not cause local temperature too high.

The surface of metal bar is equipped with heat conduction insulating layer two, heat conduction insulating layer two wraps up metal bar and heater completely, the heat conduction insulating layer two of the tip of metal bar is bellied arc, and this department sets up the bonding wire position temperature of the thickness that has thickened heat conduction insulating layer two in order to reduce two wiring ends of heater, and the outside of curved heat conduction insulating layer is equipped with the insulating layer, two wiring ends of heater run through curved heat conduction insulating layer two in proper order, connect binding post behind the insulating layer, have further reduced the temperature of binding post department bonding wire position.

The metal composite enamel heater for the electronic cigarette comprises the components, the resistivity value is 1-5 omega, and the metal rod has high thermal conductivity and high strength.

Preferably, the second heat-conducting insulating layer is a composite enamel heat-conducting insulating layer, and the composite enamel heat-conducting insulating layer is processed by one or more of electrostatic powder spraying, wet-process enameling and wet-process powder spraying. The sintering temperature is 800-900 ℃.

Preferably, the thickness of the composite enamel heat conduction and insulation layer is 50-1000 μm.

Preferably, the heating wire is one of an aluminum-chromium-iron heating wire, a nickel-chromium heating wire, an NI80 heating wire, a pure nickel heating wire and a titanium wire.

Preferably, the metal rod is one or more of nickel, chromium, manganese, iron, titanium and aluminum metal.

Preferably, the metal rod is formed by punching, and a spiral groove for winding the heating wire is punched on the surface during forming.

The utility model discloses still including other subassemblies that can make the normal use of metal composite enamel heating member for the electron cigarette, control assembly etc. like the heater is the conventional technical means in this area. In addition, the device or the assembly which is not limited in the utility model adopts the conventional technical means in the field, such as a wiring terminal, a heat insulation layer and the like, which are the conventional equipment in the field.

The utility model discloses an operating principle is, through at the bar winding heater outward, the heat of the back heater of circular telegram conducts rapidly to bar and temperature distribution evenly, and the homogeneity conducts heat between bar and the compound enamel heat conduction insulating layer, and the wiring end of heater is also wrapped up by thicker compound enamel heat conduction insulating layer and is connected with binding post simultaneously to reduce bonding wire position temperature. The metal composite enamel heating body has simple structure, is convenient to produce, does not need precious metals such as silver, palladium, platinum, gold and the like as raw materials, has extremely low production cost, and is suitable for batch production.

The utility model has the advantages of simple and reasonable structure, convenient production, no need of noble metals such as silver, palladium, platinum, gold and the like as raw materials, extremely low production cost and suitability for batch production; the composite enamel heating body has high heat conductivity, high strength and high heating speed, the whole metal rod is heated uniformly after heating, the thickness of the composite enamel heat-conducting insulating layer is extremely thin, and the outward heat transfer speed of the metal composite enamel heating body is high. The whole stability is strong, reduces to use after a period in the heating, and oxidation phenomenon appears in the metal rod, and makes the condition production that the oxidation corrosion taste appears in the electron cigarette in-process of smoking, has improved user experience and has felt the satisfaction.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the metal composite enamel heating body for the electronic cigarette.

In the figure: 1. binding post, 2, metal bar, 3, heat conduction insulating layer two, 4, heater, 5, tip, 6, point portion, 7, insulating layer.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1, the utility model provides a metal composite enamel heating body for electronic cigarette, which comprises a metal rod 2, wherein the metal rod 2 is divided into a tip part 6, a heating part and an end part 5 from top to bottom;

the heating part is uniformly provided with two parallel spiral grooves, one ends of the two spiral grooves, which are close to the tip part of the metal rod 2, are mutually communicated, the inner wall of each spiral groove is provided with a first heat conduction insulating layer, a heating wire 4 is arranged in each spiral groove, and two wiring ends of each heating wire 4 are both positioned at the end part 5 of the metal rod 2; 2 winding heater 4 of metal rod form heating circuit, and heater 4 twines in the spiral groove, and two wiring ends of heater 4 all do not contact with metal rod 2, can not produce the short circuit, and simultaneously, the existence of metal rod 2 can disperse heater 4 release heat rapidly and even distribution to whole metal rod 2 place region, can not cause local high temperature.

The surface of metal bar 2 is equipped with heat conduction insulating layer two 3, heat conduction insulating layer two 3 wraps up metal bar 2 and heater 4 completely, heat conduction insulating layer two 3 of tip 5 of metal bar 2 is bellied arc, and this department sets up the bonding wire position temperature of the thickness that has thickened heat conduction insulating layer two in order to reduce two wiring ends of heater 4, and two 3 outsides of curved heat conduction insulating layer are equipped with insulating layer 7, connect binding post 1 after two wiring ends of heater 4 run through curved heat conduction insulating layer two 3, insulating layer 7 in proper order, have further reduced the temperature of binding post 1 department bonding wire position.

The metal composite enamel heating body for the electronic cigarette comprises the components, the resistivity value is 1-5 omega, and the metal rod 2 has high thermal conductivity and high strength.

The second heat-conducting insulating layer 3 is a composite enamel heat-conducting insulating layer which is processed by adopting a wet-process enameling process, and the sintering temperature is 800-. After the enameling, the thickness is uniform and compact after drying and sintering, and the appearance defects such as air holes and ripples are avoided.

The thickness of the composite enamel heat-conducting insulating layer is 100 microns, and the metal composite enamel heating body for the electronic cigarette, which is manufactured by matching the composite enamel heat-conducting insulating layer with the thickness of 100 microns, can enable the temperature of the metal rod 2 to rise to 350 ℃ in less than 5 seconds, and when the temperature of the metal rod 2 reaches 350 ℃, the temperature difference between the metal rod 2 and the surface of the composite enamel heat-conducting insulating layer is not more than 15 ℃; after maintaining the temperature of 350 ℃ for 60 seconds, the temperature at the wire bonding location is less than 80 ℃.

The heating wire 4 is a nickel-chromium heating wire.

The metal rod 2 is an alloy of several metals of nickel, chromium, manganese, iron, titanium and aluminum.

The metal rod 2 is formed by punching, and a spiral groove for winding the heating wire 4 is punched on the surface during forming.

During operation, through winding heater 4 outside metal bar 2, the heat of heater 4 conducts to metal bar 2 and temperature distribution is even rapidly after the circular telegram, and the homogeneity conducts heat between metal bar 2 and the compound enamel heat conduction insulating layer, and the wiring end of heater 4 is also wrapped up by thicker compound enamel heat conduction insulating layer and insulating layer 7 and is connected with binding post 1 simultaneously to reduce bonding wire position department temperature. The metal composite enamel heating body has simple structure, is convenient to produce, does not need precious metals such as silver, palladium, platinum, gold and the like as raw materials, has extremely low production cost, and is suitable for batch production.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal composite enamel heating body for an electronic cigarette is characterized in that: the metal rod is sequentially divided into a tip part, a heating part and an end part from top to bottom;

the heating part is uniformly provided with two parallel spiral grooves, one ends of the two spiral grooves, which are close to the tip part of the metal rod, are mutually communicated, the inner wall of each spiral groove is provided with a first heat conduction insulating layer, a heating wire is arranged in each spiral groove, and two wiring ends of each heating wire are positioned at the end part of the metal rod;

the outer surface of the metal rod is provided with a second heat conduction insulation layer, the metal rod and the heating wire are completely wrapped by the second heat conduction insulation layer, the second heat conduction insulation layer at the end part of the metal rod is in a convex arc shape, a heat insulation layer is arranged outside the arc-shaped heat conduction insulation layer, and two wiring ends of the heating wire sequentially penetrate through the second arc-shaped heat conduction insulation layer and the heat insulation layer and then are connected with wiring terminals.

2. The metal composite enamel heating body for the electronic cigarette as claimed in claim 1, wherein: and the second heat conduction insulating layer is a composite enamel heat conduction insulating layer.

3. The metal composite enamel heating body for the electronic cigarette as claimed in claim 2, wherein: the thickness of the composite enamel heat-conducting insulating layer is 50-1000 mu m.

4. The metal composite enamel heating body for the electronic cigarette as claimed in claim 1, wherein: the heating wire is one of an aluminum-chromium-iron heating wire, a nickel-chromium heating wire, an NI80 heating wire, a pure nickel heating wire and a titanium wire.

5. The metal composite enamel heating body for the electronic cigarette as claimed in claim 1, wherein: the metal rod is one or more of nickel, chromium, manganese, iron, titanium and aluminum metal.

6. The metal composite enamel heating body for the electronic cigarette as claimed in claim 1, wherein: the metal bar is formed by punching, and a spiral groove for winding the heating wire is punched on the surface during forming.