JPS6219306Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a mounting device for electrodes for flame detection, ignition, etc. in a plate-type cooker, which has a burner installed below the hot plate on the top surface. This invention relates to a mounting device that does not reduce insulation resistance.

Conventionally, as shown in FIG. 1, a plate-type cooker is provided with a burner B such as an infrared burner below a hot plate A made of heat-resistant glass on the upper surface, and an electrode C for flame detection and ignition of the burner B. However, since part of the mounting part D of the electrode C faces the hot air chamber E, the insulation resistance decreases due to the hot air, making it difficult to detect flames or causing ignition spark to leak. There was an inconvenience.

Therefore, the present invention provides a plate-type cooker that does not have the above-mentioned drawbacks, and will be described in detail below with reference to the drawings. 2 is the top hot plate 1,
For example, in a hot air chamber below heat-resistant glass, exhaust port 3
is connected to. The hot air chamber 2 is provided with an opening 4, into which a burner 5 faces.
Here, the burner 5 has many flame ports 7 penetrating the front and back sides.
An infrared combustion plate burner is shown having a combustion plate 6 with .

Reference numeral 8 denotes an electrode, and although a flame detection electrode for detecting the presence or absence of a flame in the burner 5 is shown here, it may also be an ignition electrode. The electrode 8 is attached at a mounting portion 9 so as to face the burner 5.

This mounting portion 9 is connected to the ventilation path 1 outside the hot air chamber 2.
It is provided through 0. Here, the ventilation path 10 is formed by providing a heat shielding wall 11 that shields the hot air chamber 2 from heat.

The electrode 8 attached at the attachment part 9 and facing the burner 5 enters the hot air chamber 2 through the hole 13 in the hot air chamber wall 12, but insulation between the electrode 8 and the hot air chamber wall 12 is required. In this example, the hole 13 is connected to the burner 5 in the hot air chamber 2.
There is a gap 14 in the hot air passage 16 through which heat flows to the exhaust port 3.
is provided on the convex portion 15, and the gap 14 provides insulation, and the convex portion 15 shortens the distance from the hot plate 1 to increase the flow velocity near the gap 14 to prevent hot air from leaking from the gap 14. I tried to prevent it from happening.

The present invention is as described above, and when the burner 5 is ignited, the hot plate 1 is heated and the hot air chamber 2 is heated.
The exhaust gas is discharged from the exhaust port 3. At this time electrode 8
detects the presence or absence of a flame in the burner 5 and controls the supply of gas to the burner 5 in a well-known manner. The mounting part 9 to which the electrode 8 is attached is provided to pass through a ventilation passage 10 outside the hot air chamber 2, and the mounting part 9 is cooled by the cold air flowing through the ventilation passage 10, which is disadvantageous in that the insulation resistance decreases. can be eliminated.

As described above, in the present invention, the attachment part 9 of the electrode 8 facing the burner 5 is provided through the ventilation passage 10 provided outside the hot air chamber, so the attachment part 9 is cooled by the cold air flowing through the ventilation passage 10. It is possible to maintain good flame detection and ignition performance without causing a decrease in insulation resistance.

[Brief explanation of the drawing]

FIG. 1 is a cut side view of a conventional device, FIG. 2 is a cut side view of the proposed device, FIG. 3 is a plan view of the same, and FIG. 4 is an enlarged view of the main part of FIG. 2. 1...Hot plate, 2...Hot air chamber, 3...
Exhaust port, 4...opening, 5...burner, 8...electrode, 9...attachment, 10...ventilation path.

Claims (1)

[Scope of utility model registration request] In an electrode mounting device for a plate type cooker, in which an opening is provided in a hot air chamber communicating with an exhaust port below a hot plate on the top surface, and a burner is exposed to the opening, a ventilation path is provided outside the hot air chamber. . An electrode mounting device for a plate type cooker, characterized in that a mounting portion for the electrode is provided passing through the air passage.