CN213991043U

CN213991043U - Optical fiber graphite heating body

Info

Publication number: CN213991043U
Application number: CN202022789067.1U
Authority: CN
Inventors: 芮敏之
Original assignee: Meiersen Advanced G
Current assignee: Meiersen Advanced G
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-17
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to an optic fibre graphite heating member, including the heating member body, the heating member body is both ends opening, inside hollow cylindric structure, and a plurality of mutual spaced last slot and lower slot have been seted up uniformly all around to this heating member body, the upper end opening of going up the slot is in the up end of heating member body, the slot comprises first fluting, second fluting and third fluting down, the slotted one end of second communicates in first grooved lower extreme, and its other end communicates in the slotted upper end of third, the slotted lower extreme opening of third is in the lower terminal surface of heating member body, four electrode feet that evenly set up along heating member body axis have set firmly on the up end of heating member body. The utility model discloses guaranteed that the stability of heating member, durability and the heat that this heating member produced in the heating process are even to the qualification rate of production efficiency, quality and the product of product has been improved.

Description

Optical fiber graphite heating body

Technical Field

The utility model relates to a graphite heating member, concretely relates to energy-efficient optic fibre graphite heating member.

Background

At present, high-temperature furnaces are used for heating in various technologies, wherein graphite heating has the advantages of high temperature, fast temperature rise, simple structure and the like, so the graphite heating is widely applied to the optical fiber manufacturing industry, but the graphite heating also has the defects of small resistance distribution, uneven heating, easy damage and the like in the design process, and the defects can cause the risks of reduced efficiency, reduced product quality and even product scrap and the like in the production process, thereby causing huge economic loss to enterprises.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an optic fibre graphite heating member is equipped with a plurality of U type grooves and L type groove on this graphite heating member, consequently not only can guarantee that the heat of production evenly heaies up more fast, more energy-conserving.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides an optic fibre graphite heating body, includes the heating member body, the heating member body is both ends opening, inside hollow cylindric structure, and a plurality of mutual spaced last slot and lower slot have been seted up uniformly all around to this heating member body, the upper end opening of going up the slot is in the up end of heating member body, the slot comprises three first fluting, second fluting and the third fluting that link up each other down, the slotted one end of second communicates in first grooved lower extreme, and its other end communicates in the slotted upper end of third, and the second fluting is perpendicular with first fluting, third fluting and arranges, the slotted lower extreme opening of third is in the lower terminal surface of heating member body, set firmly four electrode feet that evenly set up along heating member body axis on the up end of heating member body.

Preferably, the upper slots are vertically arranged along the height direction of the heating body and are of a U-shaped structure, the heights of all the upper slots are equal and are 0.25-0.5 times of the height of the heating body, and the widths of the upper slots, the first slots, the second slots and the third slots are equal.

Preferably, the second fluting is seted up along the horizontal direction of heating body, and a plurality of second fluting are in the different height position of heating body to the second fluting that is closest to the lower terminal surface of heating body is the starting point, and then all the other second fluting rise in proper order towards the clockwise, and perpendicular distance equals between two adjacent second fluting.

Preferably, the electrode pin includes a connecting portion and a fixing portion, the lower end of the connecting portion is connected to the upper end face of the heating body, the upper end of the connecting portion is vertically connected to one end of the fixing portion, the other end of the fixing portion is a free end, the fixing portion extends outwards along the radial direction of the heating body, and the fixing portion and the heating body are arranged vertically.

Preferably, the graphite electrode is further included, an oblong fixing hole is formed in the fixing portion, the graphite electrode is fixed to the fixing portion of the electrode pin through a graphite bolt, and graphite paper is arranged between the graphite bolt and the fixing portion and between the graphite electrode and the fixing portion.

Preferably, the electrode pins are located on the upper end face between two adjacent upper slots, four electrode pins form two pairs of electrode pins, each pair of electrode pins comprises an anode electrode pin and a cathode electrode pin, each pair of electrode pins is symmetrically arranged relative to the central axis of the heating body, horizontal connecting lines between the two pairs of electrode pins are perpendicular to each other, and twelve upper slots and twelve lower slots are arranged on the heating body.

The utility model has the advantages that: the utility model discloses set up a plurality of slots and lower slot on the well heating body evenly along its central axis, and go up slot and the mutual interval arrangement of slot down, the upper end of going up the slot extends to the up end of heating member body always, forms the breach at the up end, the slot is the Z style of calligraphy structure that is formed by first fluting, second fluting and third fluting down, and the third fluting of its lower extreme extends to the lower terminal surface of heating member body always, forms the breach on the terminal surface down, and whole heating member body is formed by high-purity graphite processing, adopts the graphite heating member of this kind of unique structure, has not only guaranteed the stability of heating member, durability but also makes the heat that the heating member produced at the heating process even to the production efficiency of product, quality and the qualification rate of product have been improved.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

in the figure: 10-heating body, 11-upper end face, 12-lower end face, 13-upper slot, 14-lower slot, 15-first slot, 16-second slot, 17-third slot, 20-electrode pin, 21-connecting part, 22-fixing part, 23-fixing hole, 30-graphite electrode, 31-graphite bolt and 32-graphite paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1-2, an optical fiber graphite heater is characterized in that: the heating body comprises a heating body 10, wherein the heating body 10 is a hollow cylindrical structure with two open ends, a plurality of upper slots 13 and lower slots 14 which are mutually spaced are uniformly formed in the periphery of the heating body 10, the upper end of each upper slot 13 is opened on the upper end face 11 of the heating body, each lower slot 13 is composed of a first open slot 15, a second open slot 16 and a third open slot 17 which are communicated with each other, one end of each second open slot 16 is communicated with the lower end of the corresponding first open slot 15, the other end of each second open slot 16 is communicated with the upper end of the corresponding third open slot 17, the second open slots 16 are vertically arranged with the first open slots 15 and the third open slots 17, the lower end of each third open slot 17 is opened on the lower end face 12 of the heating body, and four electrode pins 20 which are uniformly arranged along the axis of the heating body are fixedly arranged on the upper end face 11 of the heating body 10. The graphite heating body with the unique structure not only ensures the stability and durability of the heating body, but also ensures the uniformity of heat generated by the heating body in the heating process, thereby improving the production efficiency and quality of products and the qualification rate of products.

The upper slots 13 are vertically arranged along the height direction of the heating body and are of a U-shaped structure, the heights of all the upper slots 13 are equal and are 0.25-0.5 times of the height of the heating body, and the widths of the upper slots 13, the first open grooves 15, the second open grooves 16 and the third open grooves 17 are equal.

The second fluting 16 is seted up along the horizontal direction of heating body, and a plurality of second fluting 16 are in the different height position of heating body to the second fluting that is closest to the lower terminal surface 12 of heating body is the starting point, and then all the other second fluting rise in proper order towards the clockwise, and perpendicular distance equals between two adjacent second fluting. The first open groove 15, the second open groove 16 and the third open groove 17 form a lower slot 14 in a shape of a zigzag, the first open groove 15 and the third open groove 17 are formed along the vertical direction of the heating body, the uppermost end of the first open groove 15 is not communicated with the upper end surface 11, the uppermost ends of all the first open grooves 15 are positioned at the same height of the heating body 10, the lengths of all the second open grooves 16 are equal, and all the second open grooves are in a trend of rising spirally by taking the second open groove at the lowermost end as a starting point.

The electrode pin 20 includes a connecting portion 21 and a fixing portion 22, the lower end of the connecting portion 21 is connected to the upper end face 11 of the heating body, the upper end thereof is vertically connected to one end of the fixing portion 22, the other end of the fixing portion 22 is a free end, the fixing portion 22 extends outwards along the radial direction of the heating body, and the fixing portion and the heating body are vertically arranged. The up end of heating body downwardly extending forms connecting portion 21, connecting portion 21 extends outward along the radial vertical of heating body and forms fixed part 22, and this electrode foot 20 is "L" type structure, the heating body can be integrated into one piece with the electrode foot.

The graphite heating body further comprises a graphite electrode 30, the fixing portion 22 is provided with an oblong fixing hole 23, the graphite electrode 30 is fixed on the fixing portion 22 of the electrode pin through a graphite bolt 31, and graphite paper 32 is arranged between the graphite bolt 31 and the fixing portion 22 and between the graphite electrode 30 and the fixing portion 22. The graphite electrode 30 and the graphite paper 32 are both provided with slotted holes, when in installation, one graphite paper 32 is placed at the upper end of the fixing part 22, the graphite electrode 30 is placed at the upper end of the fixing part 22, the slotted hole on the graphite electrode, the slotted hole on the graphite paper and the fixing hole 23 of the fixing part are aligned, the other graphite paper 32 is placed on the graphite bolt 31, the graphite bolt 31 penetrates into the fixing hole 23 from the lower end of the fixing part 22, finally, the graphite electrode can be fixed on the electrode pin 20 by screwing the graphite bolt, and the graphite paper 32 is arranged at the upper end and the lower end of the electrode pin, so that the electrode pin can be contacted more favorably, and the ignition is prevented.

The electrode pins 20 are located on the upper end face 11 between two adjacent upper slots 13, four electrode pins 20 form two pairs of electrode pins, each pair of electrode pins comprises an anode electrode pin and a cathode electrode pin, each pair of electrode pins is symmetrically arranged relative to the central axis of the heating body, horizontal connecting lines between the two pairs of electrode pins are perpendicular to each other, and twelve upper slots 13 and twelve lower slots 14 are arranged on the heating body 10. The graphite bolt and the graphite electrode are both processed by high-purity graphite, so that the heating body is stronger in overall high-temperature resistance and faster in temperature rise.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An optical fiber graphite heating body is characterized in that: the heating body comprises a heating body (10), wherein the heating body (10) is of a hollow cylindrical structure with two open ends, a plurality of upper slots (13) and lower slots (14) which are mutually spaced are uniformly formed in the periphery of the heating body (10), the upper end of each upper slot (13) is opened on the upper end face (11) of the heating body, each lower slot (14) consists of a first open slot (15), a second open slot (16) and a third open slot (17) which are communicated with each other, one end of each second open slot (16) is communicated with the lower end of each first open slot (15), the other end of each second open slot (16) is communicated with the upper end of each third open slot (17), the second open slot (16) is vertically arranged with the first open slot (15) and the third open slot (17), the lower end of each third open slot (17) is opened on the lower end face (12) of the heating body, and four electrode pins (20) which are uniformly arranged along the axis of the heating body are fixedly arranged on the upper end face (11) of the heating body (10) ).

2. The optical fiber graphite heater of claim 1, wherein: the upper slots (13) are vertically arranged along the height direction of the heating body and are of U-shaped structures, the heights of all the upper slots (13) are equal and are 0.25-0.5 times of the height of the heating body, and the widths of the upper slots (13), the first open grooves (15), the second open grooves (16) and the third open grooves (17) are equal.

3. The optical fiber graphite heater of claim 1, wherein: the second fluting (16) is seted up along the horizontal direction of heating body, and a plurality of second fluting (16) are in the different height position of heating body to the second fluting that is closest to the lower terminal surface (12) of heating body is the starting point, and then all the other second fluting rise in proper order towards clockwise, and perpendicular distance equals between two adjacent second fluting.

4. The optical fiber graphite heater of claim 1, wherein: electrode foot (20) are including connecting portion (21) and fixed part (22), connecting portion (21) lower extreme is connected in the up end (11) of heating body, and its upper end is connected perpendicularly in the one end of fixed part (22), the other end of fixed part (22) is the free end, fixed part (22) are along the radial direction of heating body outside extension and this fixed part and heating body are perpendicular arrangement.

5. The optical fiber graphite heater of claim 4, wherein: still include graphite electrode (30), be equipped with slotted fixed orifices (23) on fixed part (22), graphite electrode (30) are fixed in fixed part (22) of electrode foot through graphite bolt (31), all be equipped with graphite paper (32) between graphite bolt (31) and fixed part (22), between graphite electrode (30) and fixed part (22).

6. The optical fiber graphite heater of claim 1, wherein: the electrode pins (20) are positioned on the upper end face (11) between two adjacent upper slots (13), the four electrode pins (20) form two pairs of electrode pins, each pair of electrode pins comprises an anode electrode pin and a cathode electrode pin, each pair of electrode pins is symmetrically arranged relative to the central axis of the heating body, horizontal connecting lines between the two pairs of electrode pins are perpendicular to each other, and twelve upper slots (13) and twelve lower slots (14) are arranged on the heating body (10).