JP3507867B2 - Oil burner ignition system - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a discharge igniter for use in an up-and-down petroleum combustor. 2. Description of the Related Art Conventionally, an ignition device for an up-and-down petroleum combustor generally uses a red-hot ignition heater.
Recently, a discharge-type ignition device using a low-voltage dry battery as a power source has been put into practical use due to an improvement in an electrode mounting structure and an improvement in a high-voltage generation circuit. [0003] It has become clear that the positional relationship between the discharge electrode and the core is an important item for reliable ignition even with a dry battery having a large voltage fluctuation. However, since the core is formed of fibrous material, it is easily deformed and burns out as it is used, so that the above positional relationship cannot be maintained accurately for a long period of time. [0004] Therefore, unlike a conventional ignition device using an ignition heater, the concept of starting the ignition operation (spark discharge in the case of a discharge type) after the core is stopped at a predetermined position is fundamentally changed to produce a spark. By raising the wick while discharging, the gap between the moving wick and the discharge electrode changes continuously,
A configuration has been proposed in which ignition occurs when the optimum ignition gap is reached during the ascent of the core, and a discharge-type ignition device using a dry battery as a power supply has been practically used for the first time. [0005] By the way, in order to realize the above configuration,
Set the ignition knob and the core upper and lower knobs. Requires a structure in which only the ignition knob returns to stop spark discharge. Further, in order to implement the above configuration with only one operation knob, the wick can be further raised from the highest centering position, and at this time, an ignition operation is performed, and after ignition, the wick is raised to the highest center. Returning to the position completes the ignition operation, and is a structure suitable for a one-lever slide type core lifting device or a dial type core lifting device. [0007] In the case of a core-up / down type petroleum combustor, the burnout of the core cannot be avoided by using the core for a long period of time, and the burned core does not provide the expected calorific value. For this reason, the positional relationship between the core and the vertical axis of the core remains constant,
By changing the maximum center raising position (stopper position) of the center vertical axis, the expected calorific value is obtained by changing the core height at the maximum calorific value. (June 61-1928
[0008] In the case of combining an oil combustor using a one-lever or dial-type core lifting device equipped with this structure with an ignition device using a discharge electrode, the ignition device is operated in conjunction with the core vertical shaft and operation knob. When the ignition switch that activates is installed, the ignition switch is opened when the new core is at a low core height, and if the core is worn out and the maximum alignment position is changed, the ignition switch is used even at the core height that is normally used Is normally closed, and a problem that the operation of the ignition device cannot be stopped occurs. For this reason, if the maximum centering position can be changed, the ignition device does not operate at the center height when the highest centering position is changed so that the center becomes the highest, and the center position is further reduced from this center height. It is necessary to open the ignition switch when raising the wick, and when using a new wick, the low wick height makes it very difficult to use, since ignition is only performed after raising the wick. I have. [0010] In order to solve the above-mentioned problems, the present invention provides a wick 9 which is housed in a wick housing 8 so as to be vertically movable.
And a gear 3 provided with a return bung 2 having the center of rotation as the center of rotation, and a locking portion 4 for transmitting the gear driving force of the center vertical shaft 1 when the center is moved up and down. and protrusions 5 provided on the gear 3 engaging, the actuation plate 6 that moves thus an body fitted in one of said gear 3 and a plurality of fitting position due to the return Ribane 2 A stopper 7 which engages with the gear 3 or the operating plate 6 against animal power;
Or from the engagement position at the time of the maximum alignment with the operation plate 6
The operating plate 6 is further rotatable in the centering direction.
Ri, by changing the fitting positions of the said actuating plate 6 and the gear 3, between the stopper 7 and gear 3 or the operation plate 6
In the highest core petroleum combustor engagement position Ru can be changed at the time of raising the discharge electrode 10 disposed to face the core 9 that protrudes from the core holding cylinder 8, to start the high-voltage generation circuit of the discharge electrode 10 The ignition switch 11 is provided to change the maximum centering position.
The said actuating plate 6 capable of forming the driving unit 12, closing the point fire switch 11, top specified by operating plate 6
Rotated in the centering direction from the engagement position when the centering is high
Occasionally, the driving of the operating plate 6 that moves integrally with the gear 3
The part 12 is a circuit in which the ignition switch 11 is closed, and the ignition switch 11 is closed only by slightly raising the core 9 a little from the highest position. When the vertical axis of the shaft 1 is rotated in the direction of raising the center, the locking portion 4 is rotated.
Pushes the protruding portion 5 and applies the force to the return spring 2, and the gear 3 provided with the protruding portion 5 and the operating plate 6 fitted to the protruding portion 5 eventually engage with the stopper 7 to move the lead 9 to the highest lead position. To keep. When the wick vertical shaft 1 is further rotated, the wick 9 continues to rise and the ignition switch 11 is closed, so that the spark can fly from the discharge electrode 10 and ignite the wick 9.
When the ignition is confirmed and the centering operation is stopped, the center vertical shaft 1 returns to the highest centering position by the force of the return spring 2. According to the present invention, the ignition switch 11 is controlled by the drive unit 12 of the operation plate 6 which moves integrally with the gear 3 and sets the maximum centering position without directly interlocking the core vertical shaft 1 and the operation knob with the ignition switch 11. Therefore, no matter what the maximum centering position is set, spark discharge can be started only by slightly raising the core 9 from the maximum core height. DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. 1 is a vertical axis of the core for performing vertical operation of the core, 13 is an operation knob attached to the outer end of the vertical axis of the core 1, and 14 is a core. A pinion gear attached to the inner end of the vertical shaft 1, 15 is a rack gear meshing with the pinion gear 14, 9 is a rack gear 14
The core 9 is accommodated in the core accommodating cylinder 8 so as to be movable up and down, and when the operation knob 13 is rotated, the pinion gear 14 drives the core 9 by the rack gear 15, and the core 9 is driven.
Moves up and down in the core housing cylinder 8. 4 is a locking portion fixed to the core vertical shaft 1, 3 is a gear loosely fitted to the core vertical shaft 1 and rotated about the core vertical shaft 1,
Reference numeral 5 denotes a projection attached to the gear 3, and 2 denotes a return spring attached between the gear 3 and the core housing cylinder 8. When the operating knob 13 rotates the core vertical shaft 1, the locking portion 4 Protrusion 5
, The gear 3 rotates, and the return spring 2 is wound up while raising the core 9 . Reference numeral 6 denotes an operating plate loosely fitted to the core vertical shaft 1. Reference numeral 5a denotes a locking shaft protruding from the tip of the projection 5. Reference numeral 6a denotes a locking hole fitted with the locking shaft 5a. Reference numeral 6 a is provided on the operation plate 6 and rotates integrally with the gear 3. 16 is a seismic weight mounted on a base, 1
7 is a support shaft 1 when the weight 16 is overturned by vibration.
A movable plate that rotates about 7 a is a stopper provided on the movable plate 17. Reference numeral 18 denotes locking teeth provided on the gear 3 or the operating plate 6. The locking teeth 18 mesh with the stopper 7 so that the gear 3 or the operating plate 6 overcomes the accumulated force of the return spring 2 to raise the height of the core 9. Is held in place. The position where the stopper 7 and the locking teeth 18 are locked is the highest centering position for performing normal combustion.
There is no locking portion on the center raising side relative to the locking teeth 18 for locking the stopper 7. If the operation knob 13 is rotated in the center raising direction, the center 9 temporarily increases in center height. Also,
When the centering is stopped, the core 9 is lowered by the force of the return spring 2, and the core 9 is lowered to the highest centering position where the locking teeth 18 are locked with the stopper 7. In the structure shown as an embodiment, the maximum centering position can be freely changed, and the gear 3 and the operating plate 6
Is changed by changing the fitting position between the locking shaft 5a and the plurality of locking holes 6a. Also, since the dimension from the support shaft 17a attached to the base to the stopper 7 is determined, the locking teeth 18 of the operation plate 6 are attached to the stopper 7 by the change of the fitting position between the gear 3 and the operation plate 6. The stop position of the core vertical shaft 1 when locked is changed, whereby the protrusion height of the core 9 is changed. Since the operating plate 6 changes the position of engagement with the stopper 7, a projecting portion is provided from the operating plate 6 to the outside of the gear 3 so as to cover a plurality of tooth tips. Even when the adjacent tooth tip that is disengaged from the portion and is exposed is used as the locking tooth 18, when the locking tooth 18 of the gear 3 is locked to the stopper 7, such as when the locking tooth 18 is provided on the operation plate 6. The stop position of the core up / down shaft 1 changes, thereby changing the protrusion height of the core 9. In the conventional structure in which the centering and ignition by spark discharge are simultaneously performed by one action of one lever or dial knob, the position of the vertical axis of the core and the position of the ignition switch for starting the ignition operation are linked. From
In the centering device that can change the maximum centering position arbitrarily as described above, when the center height at the highest centering position is low with a new center, the ignition operation starts after slightly centering from the highest centering position. With such a setting, when the core becomes old and the protruding height is increased, the ignition device is always in the operating state at the normal combustion position, which may cause a trouble. For this reason, when using this kind of wick raising / lowering device, the ignition operation of the igniter must be started in consideration of the position of the wick vertical shaft when the wick becomes old and the protruding height is increased. However, when a new core is used, the ignition operation is started only after the core is greatly raised, which causes a disadvantage that it is extremely difficult to perform the ignition operation, and has been a serious problem to be solved. Reference numeral 19 denotes a crater provided on the upper part of the core accommodating cylinder 8;
0 is a combustion tube constituting a burner mounted on the crater 19,
Reference numeral 10 denotes a discharge electrode which is provided from the crater 19 to the core 9. The discharge electrode 10 performs a spark discharge by an output of a high voltage generating circuit (not shown), and is located at an optimum gap size with the tip of the discharge electrode 10. The wick 9 can be ignited. An ignition switch 11 energizes a high-voltage generating circuit that outputs a high voltage to the discharge electrode 11, and uses a dry battery as a power source in the illustrated core-vertical oil combustor to improve the operation of the oil combustor. Reference numeral 12 denotes an operating plate 6 in place of the conventional core vertical shaft.
The opening and closing position of the ignition switch 12 of the ignition device of the present invention is not determined by the position of the core vertical shaft 1 as in the conventional product, but is determined by the position of the operating plate 6. Like that. That is, as a specific example for freely changing the maximum centering position, in the present invention, a structure having a conventional gear 3 and an operating plate 6 overlapping with each other is designated. Even if the fitting position of the locking shaft 5a and the plurality of locking holes 6a is changed to make it variable, the position of the operation plate 6 is always determined by the stopper 7 and always becomes the same position. Even if the protruding height was changed, the ignition device was immediately activated by slightly raising the center from the highest centering position. Since the present invention has the above-described structure and operation, an ignition device for simultaneously performing centering and ignition operation by one action of one lever or dial knob, and a core capable of arbitrarily changing the maximum centering position. Combined with an up-down device, the ignition device can be activated simply by slightly raising the center from the highest centering position, even if the maximum center height position is changed. For the first time, it was possible to realize a discharge ignition device using a discharge electrode for a core height variable type oil vertical combustor,
The advantages of the discharge ignition device can now be enjoyed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a main part showing a highest centering position of a centering device of a petroleum combustor according to an embodiment of the present invention. FIG. 2 is a partially cut-away plan sectional view of the lead device shown in FIG. FIG. 3 is a front view showing an operation of the ignition device in the core lifting device of FIG. 1; FIG. 4 is a sectional view of a main part showing a discharge electrode portion of an oil combustor according to an embodiment of the present invention. [Description of Signs] 1 core vertical shaft 2 return spring 3 gear 4 locking portion 5 protrusion 6 operating plate 7 stopper 8 core housing cylinder 9 core 10 discharge electrode 11 ignition switch 12 drive unit

Claims (1)

(57) [Claims] [Claim 1] A core housed in a core housing cylinder 8 so as to be vertically movable.
9, a gear 3 provided with a return boom 2 having the center of rotation as the center of rotation, and a locking portion for transmitting the gear driving force of the center vertical shaft 1 when the center is moved up and down. 4 and the projection 5 provided in the gear 3 engaging, the actuation plate 6 that moves thus an body fitted in one of said gear 3 and a plurality of mating positions, return <br/> and a stopper 7 which engages the gear 3 or the operating plate 6 is provided against the animal power by Ribane 2, than the engagement position at the maximum core up between the stopper 7 and gear 3 or the operation plate 6 , The operating plate 6 is further in the centering direction
Has a rotatable, by changing the fitting positions of the said actuating plate 6 and the gear 3, the stopper 7 and gear 3 also
Or the position of engagement with the operating plate 6 when raising the maximum center is variable
In oil burner that can, the discharge electrode 10 to face the core 9 that protrudes from the core holding cylinder 8 is provided, the ignition switch 11 to start the high-voltage generation circuit of the discharge electrode 10 is provided, the maximum core up position the actuating plate 6 can be varied
Forming a drive unit 12 for the point fire switch 11 closed, than the engagement position at the maximum core raised specified by operating plate 6
Can be integrated with gear 3 when pivoted in the centering direction
The drive unit 12 of the moving operation plate 6 closes the ignition switch 11
Ignition device for oil burner, characterized in that a.