CN207720438U

CN207720438U - A kind of high temperature electric-heating belt

Info

Publication number: CN207720438U
Application number: CN201721614276.4U
Authority: CN
Inventors: 李贻连; 卜基峰
Original assignee: ANBANG ELECTRIC Co Ltd
Current assignee: ANBANG ELECTRIC Co Ltd
Priority date: 2017-11-27
Filing date: 2017-11-27
Publication date: 2018-08-10
Anticipated expiration: 2027-11-27

Abstract

The utility model discloses a kind of high temperature electric-heating belts, including ptc material core, braiding layer, insulating ceramics, silica gel plug, silica gel packaging layer, the first insulating layer, second insulating layer and protective case；Ptc material core is located inside braiding layer, and support element is provided between ptc material core and braiding layer, and insulating heat-conductive particle is filled in the gap between ptc material core and braiding layer；Insulating ceramics is arranged in the upper and lower ends of ptc material core；Silica gel plug is set on the outside of insulating ceramics；The first insulating layer of cladding setting on the outside of braiding layer, the first insulating layer outside are arranged second insulating layer, protective case are arranged on the outside of second insulating layer；The present embodiment thermal conductivity is good, and insulation effect is good, can it is especially high in heat tracing temperature, with the occasion of fire protection requirement in use, widened the application field of serial electric tracing band.

Description

A kind of high temperature electric-heating belt

Technical field

The utility model is related to electric-heating belt field more particularly to a kind of high temperature electric-heating belts.

Background technology

Electric-heating belt is widely used in maintaining the various fields such as technological temperature, heating highway, to be dispersed with inside electric-heating belt Rise heat effect PTC material, outside be made of macromolecule sheath, metallic shield net and macromolecule oversheath； When the power is turned on, internal material expanded by heating, resistance become larger, and reduce heating power, temperature is made to reduce；When the temperature decreases, Ptc material contract on cooling, resistance become smaller, and increase heating power, make temperature rise, to have the function that automatically adjust temperature；

The heat tracing temperature of existing serial electric tracing band only up to reach 160 degrees Celsius, and not have fireproof work( Can, and it is especially high in some special application scenarios, such as heat tracing temperature, and serial electric tracing band is wanted with fireproof It asks, at this point, existing serial electric tracing band can not then use, certain limitation is above received in application.

Utility model content

To solve technical problem present in background technology, the utility model proposes a kind of high temperature electric-heating belts.

The utility model proposes a kind of high temperature electric-heating belt, including ptc material core, braiding layer, insulating ceramics, silica gel Plug, silica gel packaging layer, the first insulating layer, second insulating layer and protective case；

Ptc material core is located inside braiding layer, and braiding layer is woven by aramid fiber, finer wire；Ptc material core It is provided with support element between braiding layer, and fills insulating heat-conductive particle in the gap between ptc material core and braiding layer； Insulating ceramics, the inner wall cooperation clamping of insulating ceramics periphery and braiding layer is arranged in the both ends of ptc material core；Outside insulating ceramics Silica gel plug, sealed set between silica gel plug periphery and braiding layer inner wall is arranged in side；Silica gel packaging layer is located at the outside of silica gel plug, silicon Glue encapsulated layer forms encapsulating structure in the end face of braiding layer；

Second insulating layer, the second insulation is arranged in the first insulating layer of cladding setting on the outside of braiding layer, the first insulating layer outside Protective case is arranged in layer outside；Wherein, the first insulating layer is woven using inorganic glass fiber, and second insulating layer uses mica material Material, protective case are metal tube protective layer；First layer high-temperature insulating paint is sprayed in the first insulating layer outer surface, in second insulating layer Outer surface sprays second layer high-temperature insulating paint.

Preferably, insulating heat-conductive particle is magnesium oxide particle.

Preferably, the thickness of first layer high-temperature insulating paint is 0.5-1 millimeters.

Preferably, the thickness of second layer high-temperature insulating paint 1 is 0.5-1 millimeters.

Preferably, support element 1 is insulating materials.

Preferably, protective case 11 uses aluminum casing or copper sleeve.

In the utility model, insulating heat-conductive particle, insulating heat-conductive are filled in the gap between ptc material core and braiding layer Particle service life is long, the case where being not in failure of insulation, and insulating reliability is high, and insulating heat-conductive particle, braiding layer are led It is hot good, heat can be shed in time；Insulating ceramics is arranged in the both ends of ptc material core, and silicon is arranged on the outside of insulating ceramics Rubber plug, and silica gel packaging layer is located at the outside of silica gel plug, silica gel packaging layer forms encapsulating structure in the end face of braiding layer, this double Layer waterproof construction can ensure that equipment works long hours in oedema, and insulating ceramics can also ensure that insulation effect；

The inorganic glass fiber that the utility model is high using fusing point, fire protecting performance is good is as the first insulating layer, using insulation Performance is strong, heat safe mica is as second insulating layer, and outermost layer selects the protective case of metal tube protective layer, and the first insulation Layer outer surface sprays first layer high-temperature insulating paint, and second layer high-temperature insulating paint is sprayed in second insulating layer outer surface, insulate, Flameproof effect is good, has played high temperature resistant, fireproof function, make heat tracing temperature up to degree Celsius, can it is especially high in heat tracing temperature, It is used in occasion with fire protection requirement, has widened the application field of serial electric tracing band.

Description of the drawings

Fig. 1 be the utility model proposes high temperature electric-heating belt structural schematic diagram.

Specific implementation mode

As shown in FIG. 1, FIG. 1 is the utility model proposes a kind of high temperature electric-heating belt structural schematic diagram.

Referring to Fig.1, the utility model proposes a kind of high temperature electric-heating belt, including ptc material core 1, braiding layer 2, absolutely Edge ceramics 4, silica gel plug 5, silica gel packaging layer 6, the first insulating layer 7, second insulating layer 9 and protective case 11；

Ptc material core 1 is located inside braiding layer 2, and braiding layer 2 is woven by aramid fiber, finer wire；Ptc material It is provided with support element 21 between core 1 and braiding layer 2, and fills insulation in the gap between ptc material core 1 and braiding layer 2 Heat conduction particle 3；Insulating ceramics 4 is arranged in the both ends of ptc material core 1, and 4 periphery of insulating ceramics and the inner wall cooperation of braiding layer 2 block Tightly；The sealed set between 4 outside setting silica gel plug 5 of insulating ceramics, 2 inner wall of 5 periphery of silica gel plug and braiding layer；Silica gel packaging layer 6 are located at the outside of silica gel plug 5, and silica gel packaging layer 6 forms encapsulating structure in the end face of braiding layer 2；

The setting second insulating layer 9 on the outside of 2 outside cladding the first insulating layer 7 of setting of braiding layer, the first insulating layer 7, second Protective case 11 is arranged in 9 outside of insulating layer；Wherein, the first insulating layer 7 is woven using inorganic glass fiber, second insulating layer 9 Using mica material, protective case 11 is metal tube protective layer；First layer high-temperature insulating paint is sprayed in 7 outer surface of the first insulating layer 8, the spraying second layer high-temperature insulating paint 10 in 9 outer surface of second insulating layer.

In the present embodiment course of work：Insulating heat-conductive particle is filled in gap between ptc material core 1 and braiding layer 2 3,3 service life of insulating heat-conductive particle is long, the case where being not in failure of insulation, and insulating reliability is high, and insulating heat-conductive Grain 3,2 thermal conductivity of braiding layer are good, and heat can shed in time；Insulating ceramics 4, insulation is arranged in the both ends of ptc material core 1 Silica gel plug 5 is arranged in 4 outside of ceramics, and silica gel packaging layer 6 is located at the outside of silica gel plug 5, and silica gel packaging layer 6 is at the end of braiding layer 2 Face forms encapsulating structure, and this double layer water-proof structure can ensure that equipment works long hours in oedema, and insulating ceramics 4 can also Ensure insulation effect；

In the present embodiment course of work, the inorganic glass fiber high using fusing point, fire protecting performance is good is as the first insulating layer 7, mica strong using insulation performance, heat safe selects protective case 11, and first as second insulating layer 9, and in outermost layer 7 outer surface of insulating layer sprays first layer high-temperature insulating paint 8, and second layer high-temperature insulation is sprayed in 9 outer surface of second insulating layer Paint 10, insulation, flameproof effect are good, have played high temperature resistant, fireproof function, heat tracing temperature is made to be up to 600 degrees Celsius, can be in companion Hot temperature is especially high, is used in occasion with fire protection requirement, has widened the application field of serial electric tracing band.

In a specific embodiment,

Further, insulating heat-conductive particle 3 is magnesium oxide particle, and using effect is good, reduces abrasion.

Further, the thickness of first layer high-temperature insulating paint 8 is 0.5-1 millimeters, can in the state of ensureing fire-retardant Rapid heat transfer.

Further, the thickness of second layer high-temperature insulating paint 10 is 0.5-1 millimeters, in the state of ensureing fire-retardant, energy Enough rapid heat transfers.

Further, support element 21 is insulating materials, and support effect is good, ensures ptc material core 11 in braiding layer 12 Portion will not shake.

Further, protective case 11 uses aluminum casing or copper sleeve, heat-transfer effect good.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of high temperature electric-heating belt, which is characterized in that including ptc material core (1), braiding layer (2), insulating ceramics (4), silicon Rubber plug (5), silica gel packaging layer (6), the first insulating layer (7), second insulating layer (9) and protective case (11)；

Ptc material core (1) is located at braiding layer (2) inside, and braiding layer (2) is woven by aramid fiber, finer wire；PTC materials Be provided with support element (21) between material core (1) and braiding layer (2), and between ptc material core (1) and braiding layer (2) between Filling insulating heat-conductive particle (3) in gap；Ptc material core (1) both ends setting insulating ceramics (4), insulating ceramics (4) periphery with The inner wall of braiding layer (2) coordinates clamping；Setting silica gel plug (5), silica gel plug (5) periphery and braiding layer on the outside of insulating ceramics (4) (2) sealed set between inner wall；Silica gel packaging layer (6) is located at the outside of silica gel plug (5), and silica gel packaging layer (6) is in braiding layer (2) End face formed encapsulating structure；

Cladding the first insulating layer of setting (7) on the outside of braiding layer (2), the first insulating layer (7) outside setting second insulating layer (9), Setting protective case (11) on the outside of second insulating layer (9)；Wherein, the first insulating layer (7) is woven using inorganic glass fiber, the It is metal tube protective layer that two insulating layers (9), which use mica material, protective case (11),；The spraying the in the first insulating layer (7) outer surface One layer of high-temperature insulating paint (8), in second insulating layer (9) outer surface spraying second layer high-temperature insulating paint (10).

2. high temperature electric-heating belt according to claim 1, which is characterized in that insulating heat-conductive particle (3) is magnesium oxide particle.

3. high temperature electric-heating belt according to claim 1, which is characterized in that the thickness of first layer high-temperature insulating paint (8) It is 0.5-1 millimeters.

4. high temperature electric-heating belt according to claim 1, which is characterized in that the thickness of second layer high-temperature insulating paint (10) It is 0.5-1 millimeters.

5. high temperature electric-heating belt according to claim 1, which is characterized in that support element (21) is insulating materials.

6. high temperature electric-heating belt according to claim 1, which is characterized in that protective case (11) uses aluminum casing or copper sheathing Pipe.