CN207543360U

CN207543360U - A kind of unidirectional heat transfer electric-heating belt

Info

Publication number: CN207543360U
Application number: CN201721614293.8U
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: 2018-06-26
Anticipated expiration: 2027-11-27

Abstract

The utility model discloses a kind of unidirectional heat transfer electric-heating belt, including protective case, PTC heats, supporting rack, braiding layer and insulating heat-conductive encapsulated layer；Wherein, protective case is inverted U-shaped structure, and protective case is opening down, and protective case includes the plastic-aluminum combined layer of single side, thermal insulation layer and protective layer successively from inside to outside；Setting conducting wire among PTC heats, and one layer of silica gel waterproof layer is just set every a distance in PTC heats；Setting supporting rack, supporting rack one end are fixed with PTC heats outer walls on the outside of PTC heats, and the supporting rack other end respectively fix by layer inner wall plastic-aluminum combined with single side, braiding layer inner wall；Insulating heat-conductive particle is filled in gap between supporting rack；Cladding protective layer on the outside of thermal insulation layer；PTC heats bottom sets braiding layer, and insulating heat-conductive encapsulated layer is set on the outside of braiding layer.In the utility model, electric-heating belt heat is concentrated, and heating effect is good, applied widely, and flexibility is good.

Description

A kind of unidirectional heat transfer electric-heating belt

Technical field

The utility model is related to electric-heating belt field more particularly to a kind of unidirectional heat transfer electric-heating belts.

Background technology

Electric-heating belt is widely used in maintaining the various fields such as technological temperature, heating highway, when electric-heating belt power supply is connected, Its internal material expanded by heating, resistance become larger, and reduce heating power, reduce temperature；When the temperature decreases, ptc material is to the cold It shrinks, resistance becomes smaller, and increases heating power, makes temperature rise, so as to have the function that automatically adjust temperature；

Electric-heating belt by direct or indirect heat exchange supplement by the loss of heat tracing pipeline, with reach heating, heat preservation or Antifreeze normal work requirement；But when treating heating equipment and being heated, heat easily disperses existing accompanying-heat cable, loss Greatly, energy waste is serious, and insulation performance is poor, and water proofing property is poor, heat transfer efficiency is not high, these problems are required for obtaining well It solves.

Utility model content

To solve technical problem present in background technology, the utility model proposes a kind of unidirectional heat transfer electric-heating belt, heat In quantity set, heating effect is good, applied widely, and flexibility is good.

The utility model proposes the unidirectional heat transfer electric-heating belt of one kind, including protective case, PTC heats, supporting rack, volume Tissue layer and insulating heat-conductive encapsulated layer；Wherein, protective case is inverted U-shaped structure, and protective case is opening down, and protective case is from inside to outside Include the plastic-aluminum combined layer of single side, thermal insulation layer and protective layer successively；

Setting conducting wire among PTC heats, and one layer of silica gel waterproof is just set every a distance in PTC heats Layer；Setting supporting rack, supporting rack one end are fixed with PTC heats outer walls on the outside of PTC heats, supporting rack other end difference Layer inner wall plastic-aluminum combined with single side, braiding layer inner wall are fixed；Insulating heat-conductive particle is filled in gap between supporting rack；Single side Cladding thermal insulation layer on the outside of plastic-aluminum combined layer, the plastic layer of the plastic-aluminum combined layer of single side is towards PTC heats, the plastic-aluminum combined layer of single side Aluminium layer towards thermal insulation layer；Protective layer, protective layer inner homogeneous setting cavity are coated on the outside of thermal insulation layer；PTC heats bottom Portion sets braiding layer, and braiding layer is woven to reticular structure by aramid fiber and finer wire；Insulating heat-conductive is set on the outside of braiding layer Encapsulated layer, insulating heat-conductive encapsulated layer form closed structure with protective case.

Preferably, the thickness of silica gel waterproof layer is 1-3 millimeters.

Preferably, 1-2 meters are spaced between silica gel waterproof layer.

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

Preferably, support element is insulating materials.

Preferably, protective layer is fire-retardant polyethylene material.

Preferably, cavity is set to be spherical.

In the utility model, electric-heating belt is wrapped on the outside of heated object, and insulating heat-conductive encapsulated layer and heated object are direct Contact so that heated object can quickly, concentrate heat；Wherein, protective case transmits resistance to carrying out heat above PTC heats It is disconnected so that the direction of heat transfer of PTC heats is defined, so as to ensure that PTC heats heat Relatively centralizeds are led in insulation At heat-seal layer；The heating of PTC heats is rapid, quick, avoids the waste and loss of heat, support element is to PTC heating cores Body is consolidated, and PTC heats will not shake, safe to use；The aluminium layer of the plastic-aluminum combined layer of single side plays the work of shielding With preventing external electromagnetic interference；Electromagnetism interference performance in braiding layer enhancing work, braiding layer is by aramid fiber and finer wire Reticular structure is woven to, while shield effectiveness is ensured, does not interfere with the flexibility of electric-heating belt, additionally it is possible to improve whole Mechanical performance；One layer of silica gel waterproof layer is just set every a distance in PTC heats, ensure that waterproof effect, Neng Gou Have and work in the environment of water, increase use scope.

Description of the drawings

Fig. 1 be the utility model proposes unidirectional heat transfer electric-heating belt structure diagram.

Fig. 2 be the utility model proposes unidirectional heat transfer electric-heating belt in part-structure schematic diagram.

Specific embodiment

As shown in Figs. 1-2, Fig. 1 be the utility model proposes it is a kind of it is unidirectional heat transfer electric-heating belt structure diagram, Fig. 2 For the utility model proposes unidirectional heat transfer electric-heating belt in part-structure schematic diagram.

With reference to Fig. 1-2, the utility model proposes the unidirectional heat transfer electric-heating belt of one kind, including protective case, PTC heats 1st, supporting rack 8, braiding layer 7 and insulating heat-conductive encapsulated layer 9；Wherein, protective case is inverted U-shaped structure, and protective case is opening down, Protective case includes the plastic-aluminum combined layer 3 of single side, thermal insulation layer 4 and protective layer 5 successively from inside to outside；

Setting conducting wire 10 among PTC heats 1, and one layer of silica gel is just set every a distance in PTC heats 1 Waterproof layer 11；1 outside setting supporting rack 8 of PTC heats, 8 one end of supporting rack are fixed with 1 outer wall of PTC heats, supporting rack 8 other ends respectively fix by 3 inner wall of layer plastic-aluminum combined with single side, 7 inner wall of braiding layer；It is filled in gap between supporting rack 8 exhausted Edge heat conduction particle 2；The plastic-aluminum combined 3 outside cladding thermal insulation layer 4 of layer of single side, the plastic layer of the plastic-aluminum combined layer 3 of single side are heated towards PTC Core 1, the aluminium layer of the plastic-aluminum combined layer 3 of single side is towards thermal insulation layer 4；In 4 outside cladding protective layer 5 of thermal insulation layer, 5 inside of protective layer is Even setting cavity 6；1 bottom of PTC heats sets braiding layer 7, and braiding layer 7 is woven to netted knot by aramid fiber and finer wire Structure；In 7 outside setting insulating heat-conductive encapsulated layer 9 of braiding layer, insulating heat-conductive encapsulated layer 9 forms closed structure with protective case.

In the present embodiment work, electric-heating belt is wrapped on the outside of heated object, insulating heat-conductive encapsulated layer 9 and heated object Be in direct contact so that heated object can quickly, concentrate heating；Wherein, protective case carries out hot biography to 1 top of PTC heats Pass blocking so that the direction of heat transfer of PTC heats 1 is defined, so as to ensure 1 heat Relatively centralized of PTC heats in At insulating heat-conductive encapsulated layer 9；PTC heats 1 heats rapid, quick, avoids the waste and loss of heat, support element 18 is right PTC heats 1 is consolidated, and PTC heats 1 will not shake, safe to use；The aluminium layer of the plastic-aluminum combined layer 3 of single side Play the role of shielding, prevent external electromagnetic interference；Braiding layer 5 enhances the electromagnetism interference performance in work, and braiding layer 5 is by virtue Synthetic fibre fiber and finer wire are woven to reticular structure, while shield effectiveness is ensured, do not interfere with the flexibility of electric-heating belt, also Whole mechanical performance can be improved；One layer of silica gel waterproof layer 11 is just set every a distance in PTC heats 1, is ensured Waterproof effect, can work (such as the demands such as ice dissolution) in the environment of having water, increase use scope.

In a specific embodiment, the thickness of silica gel waterproof layer 11 is 1-3 millimeters, ensures waterproof, and will not intercept heat Distribute.

Further, 1-2 meters are spaced between silica gel waterproof layer 11, circuit is cut convenient for staff, ensures safe to use While ensure save material.

Further, insulating heat-conductive particle 2 is magnesium oxide particle, and insulation effect is good, and heat-transfer effect is good, reduces material mill Damage.

Further, support element 18 is insulating materials, ensures the state of insulation of PTC heats 1, avoids that accident occurs.

Further, protective layer 5 is fire-retardant polyethylene material, and anti-explosion fire performance is good.

Further, cavity 6 is set to be spherical, good heat-insulation effect.

The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not This is confined to, in the technical scope that any one skilled in the art discloses in 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 unidirectional heat transfer electric-heating belt, which is characterized in that including protective case, PTC heats (1), supporting rack (8), compile Tissue layer (7) and insulating heat-conductive encapsulated layer (9)；Wherein, protective case be inverted U-shaped structure, protective case is opening down, protective case by Include the plastic-aluminum combined layer of single side (3), thermal insulation layer (4) and protective layer (5) successively from inside to outside；

Setting conducting wire (10) among PTC heats (1), and one layer of silicon is just set every a distance in PTC heats (1) Glue waterproof layer (11)；Setting supporting rack (8) on the outside of PTC heats (1), supporting rack (8) one end and PTC heats (1) are outside Wall is fixed, and supporting rack (8) other end is fixed respectively with the plastic-aluminum combined layer of single side (3) inner wall, braiding layer (7) inner wall；In supporting rack (8) insulating heat-conductive particle (2) is filled in the gap between；Cladding thermal insulation layer (4), single side aluminium on the outside of the plastic-aluminum combined layer of single side (3) The plastic layer of composite bed (3) is moulded towards PTC heats (1), the aluminium layer of the plastic-aluminum combined layer of single side (3) is towards thermal insulation layer (4)； Cladding protective layer (5) on the outside of thermal insulation layer (4), protective layer (5) inner homogeneous setting cavity (6)；PTC heats (1) bottom is set Braiding layer (7) is put, braiding layer (7) is woven to reticular structure by aramid fiber and finer wire；The setting insulation on the outside of braiding layer (7) Heat conduction encapsulated layer (9), insulating heat-conductive encapsulated layer (9) form closed structure with protective case.

2. unidirectional heat transfer electric-heating belt according to claim 1, which is characterized in that the thickness of silica gel waterproof layer (11) is 1- 3 millimeters.

3. unidirectional heat transfer electric-heating belt according to claim 1, which is characterized in that silica gel waterproof layer is spaced 1- between (11) 2 meters.

4. unidirectional heat transfer electric-heating belt according to claim 1, which is characterized in that insulating heat-conductive particle (2) is magnesia Particle.

5. unidirectional heat transfer electric-heating belt according to claim 1, which is characterized in that support element (18) is insulating materials.

6. unidirectional heat transfer electric-heating belt according to claim 1, which is characterized in that protective layer (5) is flame-proof polyethylene material Material.

7. unidirectional heat transfer electric-heating belt according to claim 1, which is characterized in that cavity (6) is set to be spherical.