CN220582494U

CN220582494U - Ceramic heating body for small-sized ignition rod with high safety

Info

Publication number: CN220582494U
Application number: CN202322016104.9U
Authority: CN
Inventors: 申茂林; 邓小军
Original assignee: Zhengzhou Songxin Electronic Technology Co ltd
Current assignee: Zhengzhou Songxin Electronic Technology Co ltd
Priority date: 2023-07-29
Filing date: 2023-07-29
Publication date: 2024-03-12
Anticipated expiration: 2033-07-29

Abstract

The utility model belongs to the technical field of ceramic heating bodies, and particularly relates to a ceramic heating body for a small-sized ignition rod with high safety.

Description

Ceramic heating body for small-sized ignition rod with high safety

Technical Field

Background

The ceramic heater has the advantages of high heating speed, high use temperature, no electric arc generation, high corrosion resistance, small volume and the like, is widely applied to the fields of industry, chemical industry and the like, and is practical direct heating equipment.

The ceramic heating body is required to be used as an ignition source on some ignition devices, the ceramic heating body is free of open fire as the ignition source, the characteristic of quick temperature rise is achieved, for example, the ceramic ignition rod for the electronic ignition device disclosed in Chinese patent publication No. CN210568567U is provided with an electrode hole matched with the electrode, the heating rod is welded with a wire on the electrode, the flange is fixed with the heating rod through viscous gel, the heating rod comprises a first aluminum oxide ceramic sheet inside, a printed circuit coated on the outer wall of the first aluminum oxide ceramic sheet and a second aluminum oxide ceramic sheet arranged on the outermost layer, the first aluminum oxide ceramic sheet and the second aluminum oxide ceramic sheet are connected into a whole through sintering, the printed circuit is of a reverse-folded reciprocating structure, the printed circuit is provided with an electrode, the printed circuit generates heat and conducts heat release through the second aluminum oxide ceramic sheet when the ignition rod is used, the ignition rod is provided with a flange when the ignition rod is used, the flange is convenient to use, the flange is easy to separate heat, the metal rod falls off through the bonding, and is easy to fall off, the metal rod is easy to be heated, and the metal rod falls off, and is easy to cause the metal rod is easy to be heated, and the metal rod falls off, and is easy to be heated, and the metal rod is easy to fall off, and the metal rod is easy to cause the heating body is easy to fall and the metal rod is easy to be heated, and the metal rod falls off.

Disclosure of Invention

Aiming at the problems, the utility model provides the ceramic heating body for the small ignition rod, which has high safety, and well solves the problems that the heating body in the prior art is easy to conduct heat to the heating rod when heating, and meanwhile, the colloid at the connecting part is heated, so that the connection is unstable.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a high small-size ceramic heating member for ignition stick of security, includes the ceramic stick the outer wall printing of ceramic stick has the heating circuit, the outer cladding of heating circuit has the ceramic paster, the upper portion of ceramic stick is provided with the buffer, be provided with thermal-insulated groove between buffer and the ceramic paster, be provided with the conducting rod of connecting the heating circuit in the buffer, through buffer and the thermal-insulated groove of setting, make the heating circuit be unlikely to higher heat transfer to the lateral surface of buffer when the circular telegram generates heat, other accessories are connected to the buffer of being convenient for, prevent heat transfer to other positions of ignition.

Furthermore, the upper end of the conductive rod is higher than the upper side surface of the buffer zone, so that the connecting wires are conveniently welded.

Further, the heating circuit comprises an S-shaped resistance slurry line, two ends of the heating circuit are positioned on the upper portion of the ceramic rod and are connected with electrode plates, and two ends of the heating circuit face upwards to be connected with the conductive rod conveniently.

Furthermore, the corresponding positions of the ceramic patch and the electrode plate are provided with jacks, and the conductive rod is inserted into the jacks and is connected with the electrode plate in a welded mode, so that the welding position of the conductive rod and the electrode plate is located in the jacks, and the welding position is protected.

Further, the electrode plates are symmetrically arranged on the upper part of the ceramic rod, one end of the heating circuit surrounds the ceramic rod and then is connected with the electrode plates, so that the heating circuit can be effectively distributed on the outer side surface of the ceramic rod, and meanwhile, the distance between the two electrode plates is symmetrically arranged and pulled apart, so that welding operation on the conductive rod is facilitated.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the buffer area is matched with the heat insulation groove to effectively block heat generated by the heating circuit, so that the buffer area is convenient to be matched with other connecting accessories, the ignition device is not affected by heating of the heating body when in use, the ignition device is safer, and meanwhile, the connecting part is not easy to be heated.

Drawings

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

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a schematic view of an assembled state.

In the figure: 1. a ceramic rod; 2. a heating circuit; 3. a ceramic patch; 4. a buffer area; 5. a heat insulation tank; 6. a conductive rod; 7. an electrode sheet; 8. a jack; 81. a conductive rod jack; 82. and welding the reserved holes.

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.

As shown in fig. 1-3, a ceramic heating body for a small ignition rod with high safety comprises a ceramic rod 1, a heating circuit 2 is printed on the outer wall of the ceramic rod 1, a ceramic patch 3 is coated outside the heating circuit 2, the ceramic rod 1 and the ceramic patch 3 are all made of alumina ceramic, the ceramic rod 1 and the ceramic patch 3 are bonded into a whole by adopting a sintering process, a buffer zone 4 made of alumina ceramic is integrally connected to the upper part of the ceramic rod 1, a heat insulation groove 5 is arranged between the buffer zone 4 and the ceramic patch 3, two downward electrode holes are formed in the upper side face of the buffer zone 4, and a conductive rod 6 connected with the heating circuit 2 is inserted into the electrode holes.

In this embodiment, the upper end of the conductive rod 6 is higher than the upper side surface of the buffer zone 4, and the height of the conductive rod is adjusted according to the actual size of the heating body, so that the conductive rod is convenient for wire welding.

In this embodiment, the heating circuit 2 includes an S-shaped resistance paste line, and both ends of the heating circuit 2 are located at the upper portion of the ceramic rod 1 and are connected with electrode plates 7.

In this embodiment, the ceramic patch 3 and the electrode plate 7 are provided with insertion holes 8 in corresponding positions, the insertion holes 8 comprise conductive rod insertion holes 81 and welding preformed holes 82 communicated with the conductive rod insertion holes 81 side by side, the lower ends of the conductive rods 6 are inserted into the conductive rod insertion holes 81, the electrode plate 7 is welded with the lower ends of the conductive rods 6 through welding materials, the welding materials are preferably copper materials, and welding positions are located in the welding preformed holes 82 when the lower ends of the conductive rods 6 are inserted into the conductive rod insertion holes 81.

In this embodiment, the electrode plates 7 are symmetrically arranged on the upper part of the outer wall of the ceramic rod 1, and one end of the heating circuit 2 surrounds the ceramic rod 1 and is connected with the electrode plates 7.

When the heating circuit 2 is used for forming a conductive path by connecting positive and negative leads at the upper end of the conductive rod 6, when the heating circuit 2 generates heat in the conductive path, the heat conduction of the ceramic patch 3 is affected by the heating circuit 2, and because the heat insulation groove 5 is arranged between the ceramic patch 3 and the buffer zone 4, the outer side surface of the buffer zone 4 is not directly affected by the heat conduction of the ceramic patch 3, the outer surface of the buffer zone 4 and the ceramic patch 3 form effective heat insulation, when the heating rod is installed on an ignition device, the heating rod can be fixed on the outer side surface of the buffer zone 4 through other installation components, meanwhile, the buffer zone 4, the ceramic rod 1 and the ceramic patch 3 are sintered and fixed into a whole, and the whole connection structure is stable.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a high small-size ceramic heating member for ignition stick of security which characterized in that: the ceramic heating device comprises a ceramic rod, wherein a heating circuit is printed on the outer wall of the ceramic rod, a ceramic patch is coated outside the heating circuit, a buffer area is arranged on the upper portion of the ceramic rod, a heat insulation groove is arranged between the buffer area and the ceramic patch, and a conductive rod connected with the heating circuit is arranged in the buffer area.

2. A ceramic heating body for a small ignition rod with high safety according to claim 1, characterized in that: the upper end of the conductive rod is higher than the upper side surface of the buffer zone.

3. A ceramic heating body for a small ignition rod with high safety according to claim 1, characterized in that: the heating circuit comprises an S-shaped resistance slurry line, and two ends of the heating circuit are positioned at the upper part of the ceramic rod and are connected with electrode plates.

4. A ceramic heating body for a small ignition bar having high safety according to claim 3, characterized in that: the ceramic patch and the electrode plate are provided with jacks at corresponding positions, and the conductive rod is inserted into the jacks and is connected with the electrode plate in a welded mode.

5. A ceramic heating body for a small ignition rod with high safety according to claim 4, characterized in that: the electrode plates are symmetrically arranged on the upper part of the ceramic rod, and one end of the heating circuit surrounds the ceramic rod and is connected with the electrode plates.