JPS6229885Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a combustor frame structure that maintains safety even if the warm air outlet of the combustor frame is blocked.

[Conventional technology]

If an indoor air convection fan is installed inside the frame and the combustion gas generated from the combustion part is blown into the room from the hot air outlet, combustion heat will be transferred into the frame when something falls from a shelf and blocks the hot air outlet. Occasionally, fires occurred due to congestion and abnormal heating.

Generally, as a countermeasure against this problem, a high limit sensor is installed in the frame and the combustor is stopped by the high limit sensor in the event of an abnormality, such as Utility Model Application No. 55-17106.

[Problem that the invention attempts to solve]

By the way, the mounting position of the high limit sensor greatly affects the sensitivity of the sensor, and it is extremely difficult to select a position to immediately stop the combustor when abnormal combustion occurs.

[Means for solving problems]

This idea prevents the combustion condition from deteriorating immediately even if something falls from the shelf and blocks the warm air outlet, and stops the combustor before abnormal combustion occurs even if the high limit sensor is installed in an incorrect position. 1 is the combustor, 2 is the frame housing the combustor 1,
3 is a convection fan installed in the frame 2 at the back of the combustor 1. The convection fan 3 converts indoor air into an airflow parallel to the frame top plate 4 and mixes it with the combustion gas discharged from the combustor 1. The warm air is then blown out into the room from the warm air outlet 5 on the upper part of the front panel 6 of the frame body.

7 is a combustion gas guide plate installed between the frame front plate 6 and the combustor 1; 15 is an air chamber formed by the combustion gas guide plate 7 and the frame front plate 6;
5 is provided with an air outlet 16. 14 is a partition plate installed between the combustion gas guide plate 7 and the lower part of the warm air discharge port 5 of the frame front plate 6; 8 is an opening made in the partition plate 14; A warm air flow path 9 passing through the air chamber 15 and reaching the air outlet 16 is formed. Reference numeral 10 denotes a high limit sensor that looks into the warm air flow path 9, and the high limit sensor 10 extinguishes the combustor 1 when an abnormality is detected.

11 is a front door of the frame 2 provided on the frame front plate 6;
12 is an oil tank of the combustor 1, and 13 is a wick upper and lower handle.

[Explanation of action]

In this invention, which has the above-mentioned configuration, when the convection fan 3 is energized and the combustor 1 is ignited, the indoor air is transferred to the frame 2.
The air flows from the lower front side around the oil tank 12 to the inside of the back plate of the frame body 2 by the convection fan 3, and then flows along the frame top plate 4 and enters the room from the warm air outlet 5. It's something to burst out into. On the other hand, the combustor 1 receives combustion air from the upper and lower parts of the oil tank 12 and burns the fuel oil, and the generated combustion gas is sent to the indoor air flow at the bottom of the frame top plate 4 and becomes warm air. It blows out from the outlet 5.

In this invention, a combustion gas guide plate 7 is installed between the frame front plate 6 and the combustor 1, and an opening 8 is installed between the warm air discharge port 5 of the frame front plate 6 and the combustion gas guide plate 7.
Since the partition plate 14 having a
When the opening 8 is blocked, the indoor air does not flow to the vicinity of the combustor 1 inside the combustion gas guiding plate 7, which has a large flow resistance, and the relatively large front door 11 provided on the front panel 6 of the frame body does not flow through the opening 8. Air outlet 1 formed by mounting gap etc.
6, the combustion gas can be discharged from the combustor 1 well, and abnormal combustion does not occur immediately.

On the other hand, due to the airflow flowing to the warm air discharge port 5 during normal combustion, the opening 8 is connected to the combustion gas guide plate 7 and the frame front plate 6.
The air in the air chamber 15 formed by the air chamber 15 is sucked by the entrainment action, and the air in the air chamber 15 is hardly heated. For this reason, when the warm air discharge port 5 is blocked and the air chamber 15 becomes the warm air flow path 9 through which combustion gas flows, the temperature suddenly rises and the high limit sensor 1
0 immediately activated and was able to extinguish the fire before combustor 1 caused abnormal combustion.

[Explanation of effects]

As described above, in this invention, even if the hot air outlet is blocked, the hot air flow path 9 is formed that allows combustion gas to be discharged well, so even if the hot air outlet is blocked due to trouble such as something falling from a shelf, The combustor no longer immediately causes abnormal combustion, no longer emits black smoke that pollutes the interior of the room, and no longer emits toxic gases such as carbon monoxide into the interior.

In addition, in this design, a high limit sensor is installed in the warm air flow path that is formed when an abnormal condition occurs when the warm air outlet is blocked, so the fire can be extinguished while the combustor maintains normal combustion. The combustor frame does not become abnormally heated, and even if the object blocking the warm air discharge port is a combustible object, it does not catch fire, thus significantly improving the safety of the combustor.

In addition, the high limit sensor can be installed in a position that looks into the hot air flow path, increasing the range of position selection.

[Brief description of the drawings]

The figure is a cross-sectional view of this device. 1... Combustor, 2... Frame, 3... Convection fan, 4... Frame top plate, 5... Warm air outlet, 6...
Frame front plate, 7... Combustion gas guide plate, 8... Opening, 9... Warm air passage, 10... High limit sensor, 14... Partition plate, 15... Air chamber, 16...
...Air outlet.

Claims (1)

[Scope of utility model registration request] The main body of the combustor 1 is housed in the frame 2, and a convection fan 3 converts the indoor air into an air flow parallel to the frame top plate 4, and the combustion gas is mixed with the air flow to form the frame front plate 6. In the combustor that blows out warm air from the upper warm air discharge port 5, a combustion gas guide plate 7 is installed between the frame front plate 6 and the combustor 1, and the warm air between the combustion gas guide plate 7 and the frame front plate 6 is installed. A partition plate 14 is provided between the lower part of the discharge port 5 and
and the opening 8 of the partition plate 14 is provided,
An air outlet 16 is provided in the air chamber 15 formed by the partition plate 14, the combustion gas guiding plate 7, and the frame front plate 6.
A frame body structure of a combustor, characterized in that a warm air passage 9 is formed which reaches an air outlet 16 through the air outlet 16, and a high limit sensor 10 for extinguishing the combustor 1 is provided in the warm air passage 9.