CN219227846U

CN219227846U - High-temperature-resistant heating core

Info

Publication number: CN219227846U
Application number: CN202223377530.7U
Authority: CN
Inventors: 易文军; 苏伟锋
Original assignee: Zhangzhou Xinchuang Cooling And Heating Technology Co ltd
Current assignee: Zhangzhou Xinchuang Cooling And Heating Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-20
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a high-temperature resistant heating core, which comprises a first mica sheet and a second mica sheet, wherein a first winding groove and a second winding groove are respectively formed in two side edges of the first mica sheet and the second mica sheet, two heating wires are embedded in the first winding groove and the second winding groove, the two heating wires are wound up and down side by side, and a fuse is fixed on the first mica sheet, and the high-temperature resistant heating core is characterized in that: the first mica sheet is also connected with a copper connecting sheet, the copper connecting sheet is connected with a fuse in series, one ends of the two heating wires are connected in parallel to the copper connecting sheet, and the two heating wires are connected in parallel to the copper connecting sheet.

Description

High-temperature-resistant heating core

Technical Field

The utility model relates to the technical field of heating cores of blowers, in particular to a high-temperature-resistant heating core.

Background

The electric hair drier heating core of the American standard and Japanese standard has larger power, and the current of the heating wires passing through the mica frame is larger and reaches about 16A, the original design is that the two heating wires have a common intersection point, and when the life test of the heating core is carried out, the common intersection point of the two heating wires is easy to generate high temperature and has a fusing phenomenon. Therefore, the high-temperature-resistant heating core is designed to improve the existing structure, the service life of the heating core is prolonged, and the service life of the heating core meets the industry requirements.

Disclosure of Invention

The utility model aims to provide a high-temperature resistant heating core, which is characterized in that a copper connecting sheet is arranged at a common intersection point of two heating wires, the two heating wires are connected to the copper connecting sheet, the cross section area of the intersection point is increased, and the copper connecting sheet can withstand continuous high temperature without fusing, so that the service life of the heating core is prolonged.

The utility model provides the following technical scheme: the utility model provides a high temperature resistant heating core, includes first mica sheet and second mica sheet, first wire winding groove and second wire winding groove have been seted up respectively to the both sides edge of first mica sheet and second mica sheet, two heater have all been embedded in first wire winding groove and the second wire winding groove, and two heater encircle side by side from top to bottom, be fixed with the fuse on the first mica sheet, its characterized in that: the first mica sheet is also connected with a copper connecting sheet, the copper connecting sheet is connected with a fuse in series, and one ends of the two heating wires are connected in parallel on the copper connecting sheet.

Preferably, in order to fix the copper connecting piece on the first mica sheet completely, the copper connecting piece comprises semicircular copper sheets at two ends and a rectangular copper sheet in the middle, and copper corns are inserted into the two semicircular copper sheets of the copper connecting piece to rivet the copper connecting piece on the first mica sheet.

Preferably, in order to install the fuse on the first mica sheet, a fuse thread groove is formed in the first mica sheet, a round hole is further formed in the first mica sheet, copper corns are inserted into the round hole, the two copper corns are respectively located above and below the fuse, connecting wires at the upper end and the lower end of the fuse are respectively wound on the copper corns, and the fuse is embedded in the fuse thread groove.

Preferably, in order to make the temperature of the blower constant, a temperature controller buckle slot is further formed in the second mica sheet, a temperature controller is embedded in the temperature controller buckle slot, connecting plates are formed at two ends of the temperature controller, copper corns are also inserted in the second mica sheet, the copper corns penetrate through the connecting plates to fix the temperature controller on the second mica sheet, and the temperature controller is connected in series between the fuse and the copper connecting sheets.

Preferably, a jumper wire is connected between the temperature controller and the copper connecting sheet, and the jumper wire can protect the voltage of the circuit, so that the temperature controller is prevented from being burnt.

The first caulking groove is formed in the lower end of the first mica plate, the second caulking groove is formed in the upper end of the second mica plate, and the first mica plate and the second mica plate are mutually buckled up and down through the first caulking groove and the second caulking groove.

Compared with the prior art, the utility model has the following beneficial effects: through parallelly connected two heater on the copper connection piece, the sectional area of copper connection piece is greater than the heater, and the copper connection piece can stand and last high temperature and can not fuse to avoid appearing the phenomenon that the heater fuses under high temperature, further improved the life-span of heating core, guaranteed that the heating core can satisfy the trade requirement.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

FIG. 3 is a front view of the overall structure of the present utility model;

FIG. 4 is a schematic view of the structure of a first mica sheet of the present utility model;

FIG. 5 is a schematic structural view of a second mica sheet of the present utility model;

FIG. 6 is a schematic circuit diagram of the present utility model;

in the figure: 1. a first mica sheet; 11. a first wire winding groove; 12. a first caulking groove; 13. a fuse thread groove; 2. a second mica sheet; 21. a second wire winding groove; 22. a second caulking groove; 23. a temperature controller buckle groove; 3. a heating wire; 4. copper corns; 5. a jumper wire; 6. a copper connecting piece; 7. a fuse; 8. a temperature controller; 81. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 3 and fig. 6, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant core that generates heat, includes first mica sheet 1 and second mica sheet 2, and first wire winding groove 11 and second wire winding groove 21 have been seted up respectively to the both sides edge of first mica sheet 1 and second mica sheet 2, have all embedded two heater 3 in first wire winding groove 11 and the second wire winding groove 21, and two heater 3 encircle side by side from top to bottom, are fixed with fuse 7 on the first mica sheet 1, its characterized in that: the copper connection piece 6 is further connected to the first mica sheet 1, the copper connection piece 6 is connected with the fuse 7 in series, one ends of the two heating wires 3 are connected to the copper connection piece 6 in parallel, the sectional area of the copper connection piece 6 is larger than that of the heating wires, the copper connection piece 6 can withstand continuous high temperature and cannot be fused, the service life of the heating core is prolonged, the other end of the heating wire 3 is connected with a switch, the switch is connected with a live wire, the fuse 7 is connected with a zero line, the phenomenon that the heating wire 3 is intersected to generate high temperature to be fused is prevented by utilizing the copper connection piece 6 to be connected with the heating wire 3, and the service life of the heating core is guaranteed.

As shown in fig. 3, the copper connecting piece 6 includes semicircular copper sheets at two ends and a rectangular copper sheet in the middle, copper corns 4 are inserted into the two semicircular copper sheets of the copper connecting piece 6 to rivet the copper connecting piece 6 on the first mica sheet 1, and two heating wires 3 are respectively wound on the copper corns 4 on the semicircular copper sheets at two ends of the copper connecting piece 6, so that the parallel connection between the heating wires 3 and the copper connecting piece 6 is realized.

The first mica sheet 1 is provided with a fuse thread groove 13, the first mica sheet 1 is also provided with a round hole, copper corns 4 are inserted into the round hole, the two copper corns 4 are respectively positioned above and below the fuse 7, connecting wires at the upper end and the lower end of the fuse 7 are respectively wound on the copper corns 4, and the fuse 7 is embedded in the fuse thread groove 13 to fix the fuse 7 on the first mica sheet 1.

As shown in fig. 2, the second mica sheet 2 is further provided with a temperature controller buckle groove 23, the temperature controller buckle groove 23 is internally embedded with a temperature controller 8, the temperature controller 8 can control the temperature of the heating core, the temperature of the heating core is kept constant, the temperature is prevented from overheating, two ends of the temperature controller 8 are formed with connecting plates 81, the second mica sheet 2 is also inserted with copper corns 4, the copper corns 4 penetrate through the connecting plates 81 to fix the temperature controller 8 on the second mica sheet 2, and the temperature controller 8 is connected in series between the fuse 7 and the copper connecting plates 6, so that the temperature of the heating core can be controlled.

And a jumper wire 5 is connected between the temperature controller 8 and the copper connecting sheet 6, and the jumper wire 5 can protect circuit voltage and prevent the temperature controller 8 from being burnt.

As shown in fig. 4 and 5, a first caulking groove 12 is formed in the middle position of the lower end of the first mica sheet 1, a second caulking groove 22 is formed in the middle position of the upper end of the second mica sheet 2, and the first mica sheet 1 and the second mica sheet 2 are mutually buckled up and down through the first caulking groove 12 and the second caulking groove 22 to form a cross-shaped mica sheet assembly.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a high temperature resistant heating core, includes first mica sheet and second mica sheet, first wire winding groove and second wire winding groove have been seted up respectively to the both sides edge of first mica sheet and second mica sheet, two heater have all been embedded in first wire winding groove and the second wire winding groove, and two heater encircle side by side from top to bottom, be fixed with the fuse on the first mica sheet, its characterized in that: the first mica sheet is also connected with a copper connecting sheet, the copper connecting sheet is connected with a fuse in series, and one ends of the two heating wires are connected in parallel on the copper connecting sheet.

2. A refractory heat generating core according to claim 1, wherein: the copper connecting piece comprises semicircular copper sheets at two ends and a rectangular copper sheet in the middle, and copper corns are inserted into the two semicircular copper sheets of the copper connecting piece to rivet the copper connecting piece on the first mica sheet.

3. A refractory heat generating core according to claim 1, wherein: the fuse wire locking device is characterized in that a fuse wire locking groove is formed in the first mica plate, a round hole is formed in the first mica plate, copper corn is inserted into the round hole, the two copper corn are respectively located above and below the fuse wire, connecting wires at the upper end and the lower end of the fuse wire are respectively wound on the copper corn, and the fuse wire is embedded in the fuse wire locking groove.

4. A refractory heat generating core according to claim 1, wherein: the temperature controller buckle groove is further formed in the second mica plate, the temperature controllers are embedded in the temperature controller buckle groove, connecting plates are formed at two ends of the temperature controllers, copper corns are also inserted in the second mica plate, the copper corns penetrate through the connecting plates to fix the temperature controllers on the second mica plate, and the temperature controllers are connected in series between the fuses and the copper connecting plates.

5. A refractory heat generating core according to claim 4, wherein: and a jumper wire is connected between the temperature controller and the copper connecting sheet.

6. A refractory heat generating core according to claim 1, wherein: the first caulking groove is formed in the lower end of the first mica plate, the second caulking groove is formed in the upper end of the second mica plate, and the first mica plate and the second mica plate are mutually buckled up and down through the first caulking groove and the second caulking groove.