Double-pole ignition induction device with knurling patterns for combustion equipment

Abstract

The utility model discloses a double-pole ignition induction device with knurling for combustion equipment, which belongs to the technical field of fire induction of the combustion equipment and comprises a metal support plate, two electrode needles, a ceramic insulator and a lead group, and the metal support plate is provided with a plurality of mounting holes mounted on the combustion equipment; the two electrode needles are symmetrically arranged, and straight knurls are pressed on the surfaces of the electrode needles and located at the positions 10-50 mm away from the top ends of the electrode needles. The ignition ends of the two electrode needles form an edge-to-edge structure with the length of 5-30 mm. The ceramic insulator sleeves one of the electrode needles and is used for isolating high voltage; the straight knurls are arranged on the surfaces of the electrode needles, traditional point-to-point ignition is changed into side-to-side ignition, the effective induction area is increased, safety is improved, and the ignition success rate of combustion equipment is increased.

Description

Technical Field

[0001] This utility model relates to the field of fire sensing technology for combustion equipment, and in particular to a knurled bipolar ignition sensing device for combustion equipment. Background Technology

[0002] Generally, ignition sensors used in gas or oil appliances, whether single-pole or double-pole, are all point-to-point high-pressure ignition sensors. This requires engineers to pay special attention to the location of the ignition sensor when designing the burner head. During the installation process, deviations can occur, causing the gas outlet to shift and the ignition sensor position to misalign with the gas outlet. As a result, the ignition sensor works on one side, but the gas outlet works on the other. It takes tens of seconds for the combustion signal to be detected after fuel release. This can cause deflagration and poor ignition sensing, and in severe cases, it can even lead to an explosion. Utility Model Content

[0003] The purpose of this invention is to solve the problem mentioned in the background art of poor ignition sensing, which results in a long time before successful ignition.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A knurled bipolar ignition induction device for combustion equipment includes a metal support plate, two electrode needles, a ceramic insulator, and a wire assembly. The metal support plate has several mounting holes for installation on the combustion equipment. The two electrode needles are symmetrically arranged, and the surface of each electrode needle is knurled with straight lines at a distance of 10-50 mm from its tip. The ignition ends of the two electrode needles form a 5-30 mm edge-to-edge structure. The ceramic insulator is fitted onto one of the electrode needles to isolate high voltage. The wire assembly is electrically connected to one of the electrode needles.

[0006] Preferably, the straight knurling is formed by pressing with a professional knurling machine mold to form a ring pattern with sharp corners.

[0007] Preferably, the ceramic insulator has a cylindrical structure and is tightly wrapped around the non-discharge area of ​​the electrode needle.

[0008] Preferably, the knurled outer diameter is larger than the outer diameter of the electrode needle body.

[0009] Preferably, the ignition distance between the two electrode needles is 3-6 mm.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] By setting straight knurling on the surface of the electrode needle, the traditional point-to-point ignition is transformed into edge-to-edge ignition, which increases the effective sensing area and improves safety and the ignition success rate of the combustion equipment.

[0012] By using edge-to-edge ignition, fuel waste is reduced, prolonged fuel release due to poor ignition is avoided, the detonation coefficient is lowered, and the safety of the combustion equipment is improved.

[0013] This device has a simple structure and is easy to install. The ignition distance of the electrode needles has been adjusted before leaving the factory, so operators do not need to adjust it again. It can be used normally after direct installation. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Drawing number explanation: 1. Metal support plate; 2. Ceramic insulator; 3. Electrode needle; 4. Conductor assembly; 5. Straight knurling. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings.

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious modifications will be apparent to those skilled in the art. The basic principles of the present invention defined in the following description can be used in other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0019] Those skilled in the art should understand that in the disclosure of this utility model, the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or position based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0020] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0021] Please see Figure 1 A knurled bipolar ignition induction device for combustion equipment includes a metal support plate 1, two electrode needles 3, a ceramic insulator 2, and a wire assembly 4. The metal support plate 1 has several mounting holes for installation on the combustion equipment. This application has two mounting holes.

[0022] Two electrode needles 3 are symmetrically arranged. One electrode needle 3 is directly fixed to the metal support plate 1, and the other electrode needle 3 is fixed to the ceramic insulator 2. The surface of the electrode needle 3 is pressed with straight knurling 5 at a distance of 10-50mm from the top. The ignition ends of the two electrode needles 3 form an edge-to-edge structure with a length of 5-30mm. The straight knurling 5 is formed by pressing with a professional thread rolling machine mold, forming a ring pattern with sharp corners. The outer diameter of the knurling is larger than the outer diameter of the electrode needle 3 body. The ignition distance between the two electrode needles 3 is 3-6mm.

[0023] A ceramic insulator 2 is fitted onto one of the electrode needles 3 to isolate high voltage. The ceramic insulator 2 has a cylindrical structure and tightly wraps around the non-discharge area of ​​the electrode needle 3. A wire group 4 is electrically connected to one of the electrode needles 3. Both the ceramic insulator 2 and the wire group 4 are connected to the same electrode needle 3. The lower end of the other electrode needle 3 is connected to the ground wire.

[0024] In use, install the ignition sensor into the designated position on the combustion equipment as required, then insert and tighten the screws through the mounting holes on the metal bracket plate 1, and finally connect the ground wire to complete the installation. Since the ignition spacing has been pre-adjusted, operators do not need to make further adjustments and can use it directly. When the device is working, the lead wire group 4 transmits voltage to the electrode needle 3, and the knurled surface 5 of the electrode needle 3 releases an electric spark, forming an edge-to-edge ignition sensing area, effectively improving the ignition success rate and reducing the risk of deflagration and fuel waste.

[0025] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.

Claims

1. A knurled bipolar ignition induction device for combustion equipment, characterized in that, include: A metal support plate (1) has several mounting holes for installation on a combustion device; Two electrode needles (3) are symmetrically arranged. The surface of the electrode needles (3) is pressed with straight knurling (5) at a distance of 10-50mm from the top. The ignition ends of the two electrode needles (3) form a side-to-side structure with a length of 5-30mm. A ceramic insulator (2) is fitted onto one of the electrode needles (3) to isolate high voltage; A wire assembly (4) is electrically connected to one of the electrode needles (3).

2. The knurled bipolar ignition induction device for combustion equipment according to claim 1, characterized in that: The straight knurling (5) is formed by pressing with a professional knurling machine mold to form a ring pattern with sharp corners.

3. The knurled bipolar ignition induction device for combustion equipment according to claim 1, characterized in that: The ceramic insulator (2) has a cylindrical structure and is tightly wrapped around the non-discharge area of ​​the electrode needle (3).

4. The knurled bipolar ignition induction device for combustion equipment according to claim 1, characterized in that: The knurled outer diameter is larger than the outer diameter of the electrode needle (3).

5. A knurled bipolar ignition induction device for combustion equipment according to claim 1, characterized in that: The ignition distance between the two electrode needles (3) is 3-6 mm.

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