CN211557527U

CN211557527U - Parallel constant-power electric tracing band

Info

Publication number: CN211557527U
Application number: CN202020478575.5U
Authority: CN
Inventors: 李磊
Original assignee: Anhui Hollysys Electric Co ltd
Current assignee: Anhui Hollysys Electric Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-09-22
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a parallelly connected constant power electric tracing area in electric tracing area technical field, including tin-plated round copper line, heart yearn insulating layer and inner sheath insulating layer, heart yearn insulating layer parcel is at the outer wall of tin-plated round copper line, and inner sheath insulating layer parcel is at the outer wall of heart yearn insulating layer, and the zone of heating has been cup jointed to the outer wall of inner sheath insulating layer, and the outer protective sheath has been cup jointed to the outer wall of zone of heating, and this device simple structure, convenient to use effectively improves electric tracing area's heat tracing effect, reduces electric tracing area's manufacturing cost, avoids thermal loss.

Description

Parallel constant-power electric tracing band

Technical Field

The utility model discloses a parallelly connected constant power electric tracing band specifically is electric tracing band technical field.

Background

The heating technology has high efficiency, is suitable for heat tracing and heating of all long, medium and short distance metal transfusion pipelines, and has the advantages of safety, reliability, long service life, convenient installation and maintenance and the like, so the method is widely used for heat tracing of pipelines of various liquid substances with different properties. The parallel electric tracing band is a pipeline tracing band with more applications, and has a structure that resistance wires are in a parallel connection mode, the pipeline is heated by heating of the resistance wires during working, specifically, two parallel nickel-copper stranded wires are wrapped in a fluoride heat insulation layer to serve as a power bus, a nickel-chromium alloy heating wire is wound outside the inner heat insulation layer, the heating wires are welded at intervals of a fixed distance to form a continuous parallel resistor, and after the power bus is electrified, each parallel resistor heats along with the heating wire to form a continuous heating electric heating band which can be cut at will.

The existing parallel constant-power electric tracing band has poor heat tracing effect and large heat loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a parallelly connected constant power electric tracing area to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a parallelly connected constant power electric tracing area, includes tin-plated round copper line, heart yearn insulating layer and inner sheath insulating layer, heart yearn insulating layer parcel is at the outer wall of tin-plated round copper line, inner sheath insulating layer parcel is at the outer wall of heart yearn insulating layer, the zone of heating has been cup jointed to the outer wall of inner sheath insulating layer, the outer protective sheath has been cup jointed to the outer wall of zone of heating.

Preferably, the zone of heating includes heater, interior heat-conducting layer, heat-conducting rod, metal shielding layer and outer heat-conducting layer, the heater winding is at the outer wall of heart yearn insulating layer, the outer wall of heater has cup jointed interior heat-conducting layer, the diapire fixed mounting of interior heat-conducting layer has the heat-conducting rod, the outer wall of interior heat-conducting layer has cup jointed the metal shielding layer, the diapire of metal shielding layer is run through to the bottom of heat-conducting rod, the bottom fixed mounting of heat-conducting rod has outer heat-conducting layer.

Preferably, the outer protective sheath is including strengthening restrictive coating and heat preservation, the roof and the lateral wall of strengthening the restrictive coating have all wrapped up the heat preservation.

Preferably, the heat insulation layer is made of one of rock wool, PEF foam, rubber and plastic or hard polyurethane material.

Preferably, the top wall of the heat-insulating layer is sprayed with a heat-absorbing coating.

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

1) the device is provided with a heating layer, the heating layer comprises a heating wire, an inner heat conduction layer, a heat conduction rod, a metal shielding layer and an outer heat conduction layer, the heating wire transfers heat to the inner heat conduction layer, the inner heat conduction layer transfers heat to the heat conduction rod and the metal shielding layer, the heat conduction rod transfers heat to the outer heat conduction layer, namely, the metal shielding layer can be made of an aluminum structure with lower cost, the heat exchange is carried out between the outer heat conduction layer and a pipeline in a short distance, the heat tracing effect of the electric tracing band is effectively improved, and the production cost of the electric tracing band is reduced;

2) this device sets up outer protective sheath, and outer protective sheath parcel is strengthened restrictive coating and heat preservation, strengthens the restrictive coating and is used for protecting the electric tracing band, and the heat that the heater produced is avoided to the heat preservation from the roof and the air heat transfer in tracing band, avoids thermal loss.

Drawings

Fig. 1 is a schematic view of the structure of the parallel constant-power electric tracing band of the present invention.

In the figure: 100 tin-plated round copper wires, 110 core wire insulating layers, 120 inner sheath insulating layers, 200 heating layers, 210 heating wires, 220 inner heat conducting layers, 221 heat conducting rods, 222 outer heat conducting layers, 230 metal shielding layers, 300 outer protective sleeves, 310 reinforcing sheath layers and 320 heat insulating layers.

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.

The utility model provides a parallelly connected constant power electric tracing area effectively improves the heat tracing effect of electric tracing area, reduces the manufacturing cost of electric tracing area, avoids the loss of heat, please refer to fig. 1, including tinned round copper wire 100, heart yearn insulating layer 110 and inner sheath insulating layer 120, heart yearn insulating layer 110 wraps up in the outer wall of tinned round copper wire 100, inner sheath insulating layer 120 wraps up in the outer wall of heart yearn insulating layer 110;

referring to fig. 1 again, the outer wall of the inner sheath insulating layer 120 is sleeved with a heating layer 200, the heating layer 200 includes a heating wire 210 and an inner heat conducting layer 220, the heat conducting rod 221, the metal shielding layer 230 and the outer heat conducting layer 222, the heating wire 210 is wound on the outer wall of the core wire insulating layer 110, the outer wall of the heating wire 210 is sleeved with the inner heat conducting layer 220, the bottom wall of the inner heat conducting layer 220 is fixedly provided with the heat conducting rod 221, the outer wall of the inner heat conducting layer 220 is sleeved with the metal shielding layer 230, the bottom end of the heat conducting rod 221 penetrates through the bottom wall of the metal shielding layer 230, the bottom end of the heat conducting rod 221 is fixedly provided with the outer heat conducting layer 222, the heating wire 210 is used for generating heat, the inner heat conducting layer 220 is used for collecting and conducting heat generated by the heating wire 210, the metal shielding layer 230 is used for radiating electromagnetic energy outwards through a circuit, the heat conducting rod 221 is used for exchanging heat;

referring to fig. 1 again, the outer protective sleeve 300 is sleeved on the outer wall of the heating layer 200, the outer protective sleeve 300 comprises a reinforcing sheath layer 310 and a heat insulating layer 320, the heat insulating layer 320 wraps the top wall and the side wall of the reinforcing sheath layer 310, a heat absorbing coating is sprayed on the top wall of the heat insulating layer 320, the reinforcing sheath layer 310 is used for protecting the electric tracing band, the heat insulating layer 320 prevents heat generated by the heating wire from exchanging heat with air from the top wall of the electric tracing band, heat loss is avoided, the heat absorbing coating is used for absorbing sunshine heat and is used for heat preservation at night, meanwhile, the working time of the electric tracing band is reduced, and electric.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a parallelly connected constant power electric tracing area, includes tin-plated round copper line (100), heart yearn insulating layer (110) and inner sheath insulating layer (120), its characterized in that: the outer wall of heart yearn insulating layer (110) parcel at tin-plated round copper line (100), inner sheath insulating layer (120) parcel is at the outer wall of heart yearn insulating layer (110), the outer wall of inner sheath insulating layer (120) has cup jointed zone of heating (200), the outer wall of zone of heating (200) has cup jointed outer protective sheath (300).

2. The parallel constant-power electric tracing band of claim 1, wherein: the zone of heating (200) are including heater (210), interior heat-conducting layer (220), heat conduction pole (221), metal shielding layer (230) and outer heat-conducting layer (222), heater (210) winding is at the outer wall of heart yearn insulating layer (110), heat conduction layer (220) have been cup jointed to the outer wall of heater (210), the diapire fixed mounting of interior heat-conducting layer (220) has heat conduction pole (221), metal shielding layer (230) have been cup jointed to the outer wall of interior heat-conducting layer (220), the diapire of metal shielding layer (230) is run through to the bottom of heat conduction pole (221), the bottom fixed mounting of heat conduction pole (221) has outer heat-conducting layer (222).

3. The parallel constant-power electric tracing band of claim 1, wherein: outer protective sheath (300) are including strengthening restrictive coating (310) and heat preservation (320), the roof and the lateral wall of strengthening restrictive coating (310) have all wrapped up heat preservation (320).

4. The parallel constant-power electric tracing band of claim 3, wherein: the heat insulation layer (320) is made of rock wool, PEF foam, rubber plastic or hard polyurethane material.

5. The parallel constant-power electric tracing band of claim 3, wherein: the top wall of the heat-insulating layer (320) is sprayed with a heat-absorbing coating.