CN219351932U

CN219351932U - Mineral insulation electric tracing wire

Info

Publication number: CN219351932U
Application number: CN202320382462.9U
Authority: CN
Inventors: 任月新; 马金燕; 任芳
Original assignee: Shanghai Hongbang Technology Co ltd
Current assignee: Shanghai Hongbang Technology Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-14
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of electric tracing wires, in particular to a mineral insulation electric tracing wire which comprises a heating element, an insulating layer and an outer sheath, wherein a plurality of fixing components are sleeved in the middle of the outer sheath, each fixing component comprises a sleeve ring, an inner annular groove, a delay plate, a metal binding belt, a high-temperature bolt and circular ring strips, a plurality of inner annular grooves are formed in the sleeve ring, a plurality of inner annular grooves are formed in the inner side of the sleeve ring, the delay plates are connected to the two sides of the sleeve ring, the metal binding belt is inserted on the delay plates and fixedly connected with the delay plates through the high-temperature bolt, and a plurality of circular ring strips are arranged in the middle of the outer side of the outer sheath. When the high-temperature transmission device is used, the inner ring groove and the circular ring strip rotate through the lantern ring to debug a proper angle, the metal strapping is used for binding, the high-temperature transmission device is suitable for a high-temperature environment and cannot fall off, meanwhile, the high-temperature transmission device can ensure that the outer sheath is in high-temperature fit contact with a pipeline, the metal strapping can also be used for carrying out annular surface contact, high-temperature energy is transmitted, and the high-temperature transmission efficiency is further improved.

Description

Mineral insulation electric tracing wire

Technical Field

The utility model relates to the technical field of electric tracing wires, in particular to a mineral insulation electric tracing wire.

Background

The electric tracing wire is a common product for preventing and resolving freezing. Mineral insulation technology is widely applied to fireproof cables because of good fire resistance, and is also applied to electric tracing wires, however, as the electric tracing wires are required to be attached to the pipe wall when being used normally again, the pipe wall is attached to the pipe wall in a commonly adopted flexible winding mode, and the adhesive tape with special quality can gradually lose viscosity at high temperature, so that the electric tracing wires fall off. Accordingly, a person skilled in the art provides a mineral insulated electric tracing wire to solve the problems set forth in the background art above.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a mineral insulated electric tracing wire, which comprises a heating element, an insulating layer and an outer sheath, wherein a plurality of fixing components are sleeved in the middle of the outer sheath, each fixing component comprises a sleeve ring, an inner ring groove, a delay plate, a metal binding belt, a high-temperature bolt and circular ring strips, a plurality of inner ring grooves are formed in the sleeve ring, a plurality of inner ring grooves are formed in the inner side of the sleeve ring, the delay plates are connected to the two sides of the sleeve ring, the metal binding belt is inserted on the delay plate and fixedly connected with the delay plates through the high-temperature bolt, and a plurality of circular ring strips are arranged in the middle of the outer side of the outer sheath.

Preferably: the heating element is a nickel-plated metal conductor serving as a lead, and is symmetrically arranged in the insulating layer.

Preferably: the insulating layer is insulated by inorganic mineral, and the inorganic mineral is specifically in a round tube shape manufactured by pressing in a magnesia powder material form filling process.

Preferably: the insulating board is fixed in the middle of the insulating layer, the insulating board is extruded by adopting a zinc oxide process, and notches are formed in the upper end face and the lower end face of the insulating board at equal intervals.

Preferably: the outside of the insulating layer adopts a metal braiding belt, the metal braiding belt is formed by overlapping tinned copper silk ribbon, and the metal braiding belt is correspondingly wound with the notch on the insulating plate.

Preferably: the outer sheath wraps the outer side of the metal braiding belt, the outer sheath is tubular made of 825 alloy, insulating sheaths are arranged on the side surfaces of two ends of the outer sheath, and the insulating sheaths are formed by winding glass cloth tape layers on the outer sheath.

Preferably: the lantern ring, the extension plate, the metal strapping and the circular ring strip are all made of 825 alloy, and the circular ring strip and the outer sheath are die-opened and produced in the production process.

The utility model has the technical effects and advantages that:

1. when the high-temperature transmission device is used, the inner ring groove and the circular ring strip rotate through the lantern ring to debug a proper angle, the metal strapping is used for binding, the high-temperature transmission device is suitable for a high-temperature environment and cannot fall off, meanwhile, the high-temperature transmission device can ensure that the outer sheath is in high-temperature fit contact with a pipeline, the metal strapping can also be used for carrying out annular surface contact, high-temperature energy is transmitted, and the high-temperature transmission efficiency is further improved.

2. When the electric tracing wire is used, the insulating plate is arranged in the insulating layer, so that damage caused by touch between two heating elements in the bending and winding process of the electric tracing wire is effectively reduced, and risks are avoided.

Drawings

FIG. 1 is a schematic view of the structure provided herein;

FIG. 2 is a schematic structural view of the securing assembly provided herein;

FIG. 3 is a schematic structural view of the woven metal tape provided herein;

in the figure:

1. a heating element; 2. an insulating layer; 3. an insulating plate; 4. a metal braiding belt; 5. an outer sheath; 6. an insulating sheath; 7. a fixing assembly;

71. a collar; 72. an inner ring groove; 73. a delay board; 74. a metal strapping; 75. a high temperature bolt; 76. a circular ring strip.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 3, in this embodiment, a mineral insulated electric tracing wire is provided, including a heating element 1, an insulating layer 2 and an outer sheath 5, where the heating element 1 is a nickel plated metal conductor as a conducting wire, the heating element 1 is symmetrically disposed in the insulating layer 2, the insulating layer 2 is insulated by mineral substances, specifically, the mineral substances are in the form of magnesium oxide powder material, and are pressed into a round tube shape by a filling process, an insulating plate 3 is fixed in the middle of the insulating layer 2, the insulating plate 3 is pressed by a zinc oxide process, notches are formed at the upper end and the lower end of the insulating plate 3 at equal intervals, the insulating plate 3 effectively reduces damage of the electric tracing wire caused by touching between the two heating elements 1 in a bending winding process, a metal braiding belt 4 is adopted outside the insulating layer 2, the metal braiding belt 4 is a tin-copper plated ribbon cross overlapping, the metal braiding belt 4 is correspondingly wound with the notches on the insulating plate 3, the outer sheath 5 is wrapped outside the metal braiding belt 4, the outer sheath 5 is in a tube shape made of 825 alloy, two end sides of the outer sheath 5 are provided with insulating sheaths 6, the insulating sheaths 6 are glass cloth are wound on the outer sheath 5, and if the outer sheath 5 is provided with fixed components 7;

the fixing assembly 7 comprises a sleeve ring 71, an inner ring groove 72, a extending plate 73, a metal binding belt 74, a high-temperature bolt 75 and circular ring strips 76, wherein a plurality of inner ring grooves 72 are formed in the sleeve ring 71, a plurality of inner ring grooves 72 are formed in the inner side of the sleeve ring 71, the extending plate 73 is connected to two sides of the sleeve ring 71, the metal binding belt 74 is inserted onto the extending plate 73, the metal binding belt 74 is fixedly connected with the extending plate 73 through the high-temperature bolt 75, a plurality of circular ring strips 76 are arranged in the middle of the outer side of the outer sheath 5, the sleeve ring 71, the extending plate 73, the metal binding belt 74 and the circular ring strips 76 are all made of 825 alloy, and the circular ring strips 76 and the outer sheath 5 are subjected to die sinking and production in the production process; through the laminating activity between inner ring groove 72 and the ring strip 76, can rotate the in-process around outer sheath 5, can also guarantee its self laminating contact, increase area of contact, better guarantee the transmission of temperature, reduce energy loss.

The working principle of the utility model is as follows:

when the electric tracing wire is used, the whole electric tracing wire is bent according to the sample passing of the pipeline, and the pipe arm is very thin and flexible due to a unique manufacturing process, so that the electric tracing wire can be well attached to the pipeline for bending, the insulation board 3 arranged in the insulation layer 2 can effectively prevent the damage problem caused by touch between heating elements 1, the insulation layer 2 adopts mineral magnesium oxide to improve the temperature resistant effect of the electric tracing wire, and the use requirement of a high-temperature environment is met; then, the collar 71 is rotated between the inner ring groove 72 and the circular ring strip 76 to adjust a proper angle, the metal strapping 74 is used for binding, the metal strapping is suitable for a high-temperature environment and cannot fall off, meanwhile, the high-temperature bonding contact between the outer sheath 5 and a pipeline can be ensured, the metal strapping 74 can be used for carrying out annular surface contact, the contact surface contact is increased, high-temperature energy is transferred, and the high-temperature transfer efficiency is further improved.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a mineral insulated electric tracing line, includes heating element (1), insulating layer (2) and oversheath (5), its characterized in that, a plurality of fixed subassembly (7) are set up to oversheath (5) middle part cover, and fixed subassembly (7) are including lantern ring (71), inner ring groove (72), extension board (73), metal tie (74), high temperature bolt (75) and ring strip (76), set up a plurality of inner ring groove (72) in lantern ring (71), a plurality of inner ring groove (72) are seted up to lantern ring (71) inboard, extension board (73) are connected to lantern ring (71) both sides, insert on extension board (73) and close metal tie (74), metal tie (74) pass through high temperature bolt (75) and extension board (73) fixed connection, a plurality of ring strip (76) are settled at outer sheath (5) outside middle part.

2. A mineral insulated electric tracing wire according to claim 1, characterized in that the heating element (1) is a nickel plated metal conductor as a wire and that the heating element (1) is arranged in bilateral symmetry within the insulating layer (2).

3. A mineral insulated electric tracing wire according to claim 1, characterized in that the insulating layer (2) is insulated with mineral, in particular magnesium oxide powder, in the form of a tube made by pressing.

4. The mineral insulated electric tracing wire according to claim 1, wherein an insulating plate (3) is fixed in the middle of the insulating layer (2), the insulating plate (3) is extruded by a zinc oxide process, and notches are formed in the upper end face and the lower end face of the insulating plate (3) at equal intervals.

5. The mineral insulated electric tracing line according to claim 1, wherein the insulating layer (2) is externally provided with a metal braiding belt (4), the metal braiding belt (4) is formed by overlapping tin-plated copper wire belts in a crossing manner, and the metal braiding belt (4) is correspondingly wound with a notch on the insulating plate (3).

6. The mineral insulated electric tracing line according to claim 1, wherein the outer sheath (5) is wrapped outside the metal braiding belt (4), the outer sheath (5) is tubular made of 825 alloy, the insulating sheaths (6) are arranged on the side surfaces of two ends of the outer sheath (5), and the insulating sheaths (6) are formed by winding glass cloth belt layers on the outer sheath (5).

7. A mineral insulated electric tracing line according to claim 1, wherein the collar (71), the extension plate (73), the metal strapping (74) and the circular ring strip (76) are all made of 825 alloy, and the circular ring strip (76) and the outer sheath (5) are die-cut and produced during the production process.