CN211667853U

CN211667853U - Ignition plug for vehicle fuel oil warm air heater

Info

Publication number: CN211667853U
Application number: CN202020345363.XU
Authority: CN
Inventors: 黄泽光; 甘祺芳
Original assignee: Zhuhai Tengxin Electronic Co ltd
Current assignee: Zhuhai Tengxin Electronic Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-13
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a vehicle fuel oil warm air heater ignition plug, including mixing yttrium alumina ceramics heating rod, lead wire, M10 nut, transparent insulation support, temperature resistant power cord, silica gel cap and general mainboard plug, the alumina ceramics heating rod inlays the dress in the centre bore of M10 nut to seal solidification location through metal or ceramic holding ring and high temperature ceramic glue, the lead wire of alumina ceramics heating rod through the rivet pressing terminal with the temperature resistant power cord electricity is connected, the temperature resistant power cord pass the silica gel cap after with general mainboard plug electric connection; the utility model discloses an alumina ceramics stick surface coating temperature resistant is higher than 1400 ℃ silicon nitride temperature resistant ceramic coating for the ignition plug tolerates the temperature and is higher than 1300 ℃, has improved life, configuration M10 nut overall length 14.5 +/-0.5 mm, the excellent zone of heating 19mm that heats, great satisfaction commonality, the model more than general 99%.

Description

Ignition plug for vehicle fuel oil warm air heater

Technical Field

The utility model relates to a ceramic heating spare accessory technical field especially relates to automobile-used fuel warm braw heater ignition plug.

Background

The ceramic heating element is a new generation of high-efficiency, green and environment-friendly medium-low temperature heating element, is widely applied to the fields of daily life, industrial and agricultural technologies, communication, medical treatment and the like which need medium-low temperature heating, and is used for providing a heat source for heating parts or directly serving as the heating parts.

Because the alumina ceramic heating element has the characteristics of rapid temperature rise, uniform heating area, high temperature resistance and the like, the alumina ceramic heating element is applied to fuel oil warm air equipment, in particular to a vehicle fuel oil warm air blower, and is used as an ignition element of a fuel oil warm air heater for a long time in the fuel oil warm air heater, the requirement on the temperature resistance is higher, and the general requirement is higher than 1300 ℃, however, the alumina ceramic heating element in the prior art can resist the temperature of about 900 ℃, so that the parking fuel oil warm air heater ignition plug meeting the requirement is necessary to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing an ignition plug of a vehicle fuel oil warm air heater.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vehicle fuel air heater ignition plug, includes mixes yttrium alumina pottery stick that generates heat, its characterized in that still includes lead wire, M10 nut, transparent insulation support, temperature resistant power cord, silica gel cap and general mainboard plug, mix yttrium alumina pottery stick that generates heat inlay and be in the centre shaft hole of M10 nut, mix yttrium alumina pottery stick that generates heat the lead wire through the pressure rivet terminal with the temperature resistant power cord electricity is connected, the temperature resistant power cord wear to establish behind the silica gel cap with general mainboard plug electric connection.

Preferably, the yttrium-doped aluminum oxide ceramic heating rod comprises an aluminum oxide rod core, an yttrium-doped aluminum oxide heating wrapping layer, a silicon nitride ceramic refractory coating and a process expansion joint, wherein the yttrium-doped aluminum oxide heating wrapping layer is wrapped on the outer circumference of the aluminum oxide rod core, the process expansion joint is reserved on the yttrium-doped aluminum oxide heating wrapping layer, a heating circuit is printed on the inner side, close to the aluminum oxide rod core, of the yttrium-doped aluminum oxide heating wrapping layer in a silk-screen printing mode, and the silicon nitride ceramic refractory coating is coated on the outer side of the yttrium-doped aluminum oxide heating wrapping layer.

Preferably, the silicon nitride ceramic refractory coating resists temperatures above 1300 ℃.

Preferably, the silicon nitride ceramic refractory coating is any one of gray, gray black, blue or purple, and the silicon nitride ceramic refractory coating is an yttrium-doped silicon nitride ceramic coating.

Preferably, the total length of the alumina ceramic heating rod (1) is 44 +/-1 mm, the outer diameter is 5.8 +/-0.15 mm, and the length of the heating area is 19mm +/-0.5 mm.

Preferably, the universal mainboard plug (7) is a universal mainboard four-hole plug or a universal mainboard two-hole plug.

Compared with the prior art, the utility model provides a vehicle fuel warm braw heater ignition plug possesses following beneficial effect:

according to the ignition plug of the vehicle fuel oil warm air heater, the silicon nitride temperature-resistant ceramic coating which can resist the temperature higher than 1400 ℃ is coated on the surface of the alumina ceramic rod, so that the ignition plug can resist the temperature higher than 1300 ℃, and the service life is prolonged.

The ignition plug of the vehicle fuel oil warm air heater has the advantages that the total length of the M10 nut is 14.5 +/-0.5 mm, the heating area of the heating rod is 19mm, the universality is greatly met, and the ignition plug is universal for more than 99 percent of models.

This automobile-used fuel warm braw heater igniter, through pressing the riveting temperature resistant power cord, four holes of general mainboard or two hole plugs are connected to the electricity, and the power cord passes the silica gel cap, directly changes bad igniter, and better security performance is guaranteed to the silica gel cap, changes convenience, simple and easy, safety.

Drawings

Fig. 1 is a schematic structural view of an ignition plug of a vehicle fuel warm air heater provided by the utility model;

fig. 2 is a schematic sectional view taken along the plane a-a in fig. 1.

In the figure: 1-alumina ceramic heating rod; 10- -alumina rod core; 11-alumina heating coil layer; 12-yttrium doped silicon nitride ceramic coating; 13-process expansion gap; 2- -lead wire; 3- -M10 screw; 4- -transparent insulating sleeve; 5- -temperature resistant power cord; 6- -silica gel cap; 7- -general mainboard plug.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an ignition plug of a vehicle fuel oil warm air heater comprises an yttrium-doped alumina ceramic heating rod 1, a lead wire 2, an M10 nut 3, a transparent insulating sleeve 4, a temperature-resistant power wire 5, a silica gel cap 6 and a universal mainboard four-hole plug 7. The yttrium-doped alumina ceramic heating rod 1 is embedded in a central shaft hole of the M10 nut 3 and is sealed, cured and positioned by a metal or ceramic positioning ring and high-temperature ceramic glue, a lead 2 of the yttrium-doped alumina ceramic heating rod 1 is electrically connected with a temperature-resistant power line 5 through a pressure riveting terminal, and the temperature-resistant power line 5 passes through a silica gel cap 6 and then is electrically connected with a universal mainboard plug 7.

The yttrium-doped aluminum oxide ceramic heating rod 1 comprises an aluminum oxide rod core 10, an aluminum oxide heating wrapping layer 11, a silicon nitride ceramic fireproof coating and a process expansion joint 13, wherein the aluminum oxide heating wrapping layer 11 is wrapped on the outer circumference of the aluminum oxide rod core 10, the process expansion joint 13 is reserved on the aluminum oxide heating wrapping layer 11, a heating circuit is printed on the inner side, close to the aluminum oxide rod core 10, of the aluminum oxide heating wrapping layer 11 in a silk-screen printing mode, and the silicon nitride ceramic fireproof coating is coated on the outer side of the aluminum oxide heating wrapping layer 11.

The temperature resistance of the silicon nitride ceramic refractory coating is higher than 1300 ℃. The silicon nitride ceramic refractory coating is any one of gray, gray black, blue or purple, and is the yttrium-doped silicon nitride ceramic coating 12.

The total length of the alumina ceramic heating rod 1 is 44 mm plus or minus 1mm, the outer diameter is 5.8 mm plus or minus 0.15mm, and the length of the heating area is 19mm plus or minus 0.5 mm.

The universal mainboard plug 7 is a universal mainboard four-hole plug or a universal mainboard two-hole plug.

The utility model discloses in, the M10 nut of 1 configuration overall length 14.5mm of aluminium oxide ceramic heating rod, can directly take out bad ignition plug, directly twist up and install, lead wire 2 is riveted with temperature resistant power cord pressure and is connected, and carry out electrical insulation protection through transparent insulation support 4, 6 cover plugs of silica gel cap are outside the ignition hole, temperature resistant power cord 5 is direct to be connected with general mainboard four holes or two holes plug 7, be connected with four holes plug 7 and the direct reliable electricity of host computer circuit board, the installation is better simple and easy, the security is high. The purple yttrium-doped silicon nitride ceramic coating 12 can withstand the temperature higher than 1300 ℃, and the service life of the ignition plug is well ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vehicle fuel warm air heater ignition plug, includes mixes yttrium alumina pottery stick (1) that generates heat, its characterized in that still includes lead wire (2), M10 nut (3), transparent insulation support (4), temperature resistant power cord (5), silica gel cap (6) and general mainboard plug (7), mix yttrium alumina pottery stick (1) that generates heat inlay and be in the well shaft hole of M10 nut (3), mix yttrium alumina pottery stick (1) lead wire (2) rivet the terminal through pressing with temperature resistant power cord (5) electricity is connected, temperature resistant power cord (5) pass behind silica gel cap (6) with general mainboard plug (7) electric connection.

2. The ignition plug of the vehicle fuel oil hot air heater according to claim 1, wherein the yttrium-doped alumina ceramic heating rod (1) comprises an alumina rod core (10), an yttrium-doped alumina heating wrapping layer (11), a silicon nitride ceramic refractory coating and a process expansion joint (13), the yttrium-doped alumina heating wrapping layer (11) is wrapped on the outer circumference of the alumina rod core (10), the process expansion joint (13) is reserved on the yttrium-doped alumina heating wrapping layer (11), a heating circuit is printed on the inner side of the yttrium-doped alumina heating wrapping layer (11) close to the alumina rod core (10) in a silk-screen printing mode, and the silicon nitride ceramic refractory coating is coated on the outer side of the yttrium-doped alumina heating wrapping layer (11).

3. The igniter plug of a vehicle fuel oil heater as claimed in claim 2, wherein the silicon nitride ceramic refractory coating is resistant to temperatures higher than 1300 ℃.

4. The igniter plug of a vehicle fuel oil heater according to claim 3, wherein the silicon nitride ceramic refractory coating is any one of gray, gray black, blue or purple, and the silicon nitride ceramic refractory coating is an yttrium-doped silicon nitride ceramic coating (12).

5. The igniter plug of the vehicle fuel oil heater as claimed in claim 1, wherein the yttrium-doped alumina ceramic heater rod (1) has a total length of 44 ± 1mm, an outer diameter of 5.8 ± 0.15mm, and a heating zone length of 19mm ± 0.5 mm.

6. The igniter plug of the vehicle fuel oil heater according to claim 1, wherein the common main plate plug (7) is a common main plate four-hole plug or a common main plate two-hole plug.