JPH10288347A - Kerosene space heater guard for heating within tent - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an accident of fire at a kerosene space heater against falling of a tent. SOLUTION: This heater guard may constitute a heater guard B by a mounting table 1 on which a kerosene space heater A used in a tent, side guards 2 installed vertically from a circumferential edge of the mounting table 1 and arranged at forward, rearward, rightward and leftward sides and an upper guard formed at an upper end of the side guards 2 higher than the heater A and covering an entire upper end releasing section. The side guards 2 are provided with an opening 2a for use in operating the heater A placed on the mounting table 1. In addition, there are provided a tent falling sensor 5 spaced apart from a burner main body 4 and fixed to the side guards 2 near the mounting table 1 where radiation heat is hardly applied and an alarm sound generating device 6 operated by an output signal of the tent falling sensor 5. The tent falling sensor 5 is constructed to detect either combustion gas or combustion heat within the fallen tent so as inform that the alarm sound generating device 6 informs a presence of the heater A being kept at its combustion state within the fallen tent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an oil stove guard for tent heating for preventing an oil stove from being fired from a tent collapse accident.

[0002]

2. Description of the Related Art A stove guard for guarding the front and side of an oil stove or the entire circumferential direction of the oil stove is known for an open type oil stove used at home. And this guard prevents children from approaching the oil stove indiscriminately, and can prevent accidents such as burns caused by the heat of the oil stove or falling down by hitting the oil stove.

[0003] This guard has a U-shaped front and side 3 for a reflective oil stove used near the wall in the room.
Some cover the direction, the back uses the indoor wall, and the other covers the front, back, left and right in four directions for a convection type oil stove used in the center of the room. The stove guard is formed so as to be disassembled or foldable, and can be made independent by fixing each corner at a right angle during use.

As described above, stove guards are used in homes to prevent children from touching the oil stove. However, in places where people enter and leave, the stove guard is hit by people. When using an oil stove as heating in a temporary tent, which is an extension of this business, it is desirable to use a stove guard that also covers four directions.

[0005]

In a temporary tent installed in a cold region, heating cannot be eliminated, but an oil stove or the like is used to heat the tent. A tent installed in a cold area where heating is required has strength enough to withstand a certain amount of strong wind and withstand some snowfall.

However, it is not always the case that the weather suddenly changes after the tent is installed and a large amount of snow is deposited overnight, and it must be said that the situation can always occur. Originally, the use of oil stoves should be prohibited in such tents, but as a practical matter, there is no cheap heater to replace, and after all, safety is left to the user and use with care. That is the reality.

[0007] In addition, even when the actual snow cover satisfies the durability of the tent, if the snow contains a large amount of moisture,
The tent may collapse due to unexpected weight, or the rope supporting the tent may be broken due to a sudden gust of wind, and the tent may collapse, and such an accident occurs while using an oil stove Therefore, it is necessary to devise not only to leave the safety to the user but also to minimize the damage by taking some measures.

[0008]

SUMMARY OF THE INVENTION The present invention relates to a proposal for securing safety while using a commercially available tent or oil stove, and a wire guard B for an open oil stove A. In the guard B, a side guard 2 is erected from the periphery of the mounting table 1 on which the oil stove A is placed, and an opening 2a for operating the oil stove is formed in a part of the side guard 2, and Side guard 2 is oil stove A
The upper guard 3 is formed to be taller than the upper end of the side guard 2, and the upper guard 3 covering the entire upper opening of the guard B formed at the upper end of the side guard 2 is attached. A tent collapse sensor 5 is provided on the side guard 2 near the table 1, and an alarm sound generator 6 that is activated by the output of the tent collapse sensor 5 is attached.
By notifying the presence of the oil stove A burning in the collapsed tent C, the fire extinguishing operation can be immediately started.

Further, the tent collapse sensor 5 is constituted by a sensor for detecting the combustion gas or the combustion heat in the space secured by the stove guard B, and the tent collapse sensor 5 does not detect the oil stove A in which the fire has been extinguished. Only when the operation is possible.

[0010] Some commercially available oil stoves are equipped with an anti-seismic automatic fire extinguishing device, and some of them are extinguished by a signal from a seismic switch. According to the present invention, a safety switch 7 is provided which is activated by the output of the tent collapse sensor 5 and switches contacts when an abnormality occurs. The safety switch 7 is provided with an external connection terminal 8 connected to an automatic fire extinguishing circuit of the oil stove A. Is configured to output an emergency fire extinguishing start signal for the oil stove A, thereby improving safety.

[0011]

[Function] Although it is possible to increase the strength of a temporary tent C as in a general building, it is inevitable to increase the weight of the materials used, and the transportability is significantly deteriorated. Cost increase. The stove guard B used in the tent C of the present invention is provided with the table 1 connected to the side guard 2 as well as the four sides, and
The upper guard 3 that covers the opening is attached to the upper part of the side guard 2, so that even if the tent C collapses, the hot oil stove can be completely protected.

A tent collapse sensor 5 for detecting combustion gas or combustion heat is provided below the side guard near the table 1.
The tent collapse sensor 5 outputs an alarm sound generator 6
Works, so if the tent C collapses, the guard B
The narrow space protected by is filled with carbon dioxide or carbon monoxide gas which is a combustion gas rapidly unlike normal use, and the temperature of the narrow space rises rapidly, so it does not operate at all in normal use The collapse of the tent C can be detected by a gas sensor or a temperature sensor, and the presence of a burning oil stove is notified by an alarm sound.

Further, if the oil stove A extinguishes due to the shock when the tent C collapses, safety can be ensured only by guarding around the oil stove A. In this case, the tent collapse sensor of the present invention is provided. 5 does not operate and does not predict danger, so that it is possible to delay the priority of cleaning up after the collapse.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the embodiment shown in the drawings. A is an open-type oil stove that discharges combustion gas into a room, B is a stove guard disposed around the oil stove A, and C is a temporary stove requiring heating. The oil stove A used in the tent C is set and used in the stove guard B of the present invention.

1 is a table on which an open type oil stove A is placed;
2 is an open oil stove A standing upright from the periphery of the table 1
2a is the side guard 2
An opening for operating the petroleum stove A formed in a part of the side guard, and the side guard 2 is formed by intersecting a wire and fixing it by welding or the like. At this time, when the oil stove A can be directly operated due to a large wire interval, the opening 2a is formed at the wire interval.

When the space between the wires is small, the operation of the oil stove A cannot be performed. Therefore, the opening 2a may be formed by notching a part of the wires and making a large space. When the opening 2a is large, a separate wire or the like may be used. A frame is formed to form a lid for the opening 2a, and the lid is opened and closed to operate the oil stove.

The mounting table 1 may be formed of a single flat metal plate or the like, but in the embodiment shown in the figure, in order to reduce the volume and weight during storage, elongated metal plates are crossed and combined. The table 2 is formed, and the end of the elongated metal plate is bent upward and connected to the side guard 2. At this time, a step 1a for receiving the side guard 2 is provided at the end of the elongated metal plate, and the wire of the side guard 2 placed on the step 1a is clamped and fixed by the fixing plate 1b. 1 and the side guard 2 are separated.

Further, the side guard 2 of the embodiment is formed by two U-shaped frames composed of a front part and a part of the side part, and a back part and a part of the side part. It is connected to the connecting plate 2b, and is clamped and fixed by the connecting fixed plate 2c.

Reference numeral 3 denotes a wire-made upper guard which covers the entire upper opening of the guard B formed at the upper end of the side guard 2.
Reference numeral a denotes a rotation bearing formed at a connection portion between the upper guard 3 and the side guard 2, and reference numeral 3b denotes a locking portion located on the side guard 2 opposite to the rotation bearing 3a. It is taller than the oil stove A installed in the stove guard B, and forms a certain space between the oil stove A and the upper guard 3.

The upper guard 3 can be opened and closed with the rotation bearing 3a as a fulcrum by lifting the locking portion 3b side, and the oil stove A is installed in the stove guard B with the upper guard 3 opened. In use, the upper guard 3 is returned, and the locking portion 3b is locked and fixed to a part of the connecting plate 2b.

Reference numeral 4 denotes a burner main body of the open type oil stove A. In the case of a convection type vertical oil stove having an oil tank at a lower portion shown in the embodiment, the upper flame tube of the oil stove A is a burner main body 4. Further, in a reflection type up-and-down type oil stove (not shown), a combustion tube which glows red forms a burner main body 4. Reference numeral 5 denotes a tent collapse sensor attached to the side guard 2 close to the mounting table 1 which is hardly susceptible to radiant heat from the oil stove A burner body 4. Reference numeral 6 denotes an alarm sound generator which sounds upon receiving an output when the tent collapse sensor 5 is activated. is there.

If the tent C is collapsed by any accident when the oil stove A is installed in the stove guard B and used in the tent C, the tent C is received by the upper guard 3 of the stove guard B. As a result, the material of tent C no longer directly touches oil stove A. For this reason, even if the tent C collapses, the minimum space is secured by the stove guard B, and the material of the tent C of the oil stove A does not immediately cause ignition combustion.

The tent collapse sensor 5 of the present invention comprises a carbon dioxide detector, a carbon monoxide detector and an oxygen sensor for detecting combustion gas, and the space where the oil stove A is placed by the collapse of the tent C. Has become extremely narrow, so if the combustion gas exhausted from the oil stove A that continues to burn is full, carbon dioxide will increase and oxygen will run short,
Incomplete combustion produces carbon monoxide. And
By detecting the increase in the combustion gas directly or indirectly by the tent collapse sensor 5 using a gas sensor, the collapse of the tent C can be detected, and the alarm sound generator 6 which sounds upon receiving the output of the tent collapse sensor 5 By
It was possible to inform that the burning oil stove A was inside the collapsed tent C.

Further, the tent collapse sensor 5 of the present invention may be constituted by a temperature sensor for detecting the room temperature. If the space in which the oil stove A is placed becomes extremely narrow due to the collapse of the tent C, the oil that continues burning Since the ambient temperature is rapidly increased by the stove A, the collapse of the tent C can be detected by detecting the temperature increase by the tent collapse sensor 5 using a thermistor, and an alarm sound which sounds upon receiving the output of the tent collapse sensor 5 is generated. The vessel 6 was able to signal that there was a burning oil stove A in the collapsed tent C.

For this reason, if an alarm is issued during the cleaning work of the collapsed tent C, it is known that the oil stove A is burning and a fire may occur, and the fire extinguishing work of the oil stove A is given priority. By doing so, it was possible to prevent a fire from occurring.

On the other hand, in the case of a commercially available open-type oil stove, installation of an anti-seismic fire extinguisher is specified by JIS standards, and a switch for switching a contact when a predetermined acceleration is applied as a sensor of the fire extinguisher is provided. There are things to use. That is, in the electric circuit of the embodiment shown in FIG. 3, reference numeral 9 denotes an ignition switch, and reference numeral 10 denotes an igniter. When the ignition switch 9 is closed while the burner main body 4 is in a combustible state, the igniter 10 operates to burn. Start.

Numeral 11 denotes a seismic switch constituted by an acceleration sensor, and 12 denotes a fire extinguishing means. When the seismic switch 11 detects the occurrence of an earthquake, the fire extinguishing means 12 operates to automatically extinguish the oil stove B.

Reference numeral 13 denotes a dry battery power supply for the tent collapse sensor 5 and the alarm sound generator 6, 14 denotes a safety device driving means including a relay circuit operated by an output of the tent collapse sensor 5, and 7 denotes a safety device driving means 14. A safety switch 8 constituted by a relay contact switched by an output is an external connection terminal for the safety switch 7. In an oil stove A using an automatic fire extinguishing means 12 having a seismic switch 11 shown in the figure, an external connection terminal is provided. 8 using safety switch 7 and seismic switch 11
Can be connected in parallel.

For this reason, when the tent C collapses due to some trouble, if the oil stove A in the narrow space protected by the stove guard B continues to burn, the tent collapse sensor 5 is activated and the safety switch 7 is activated. Can be switched to operate the fire extinguishing means 12 of the oil stove A. Since the oil stove A automatically extinguishes, there is no need to perform the fire extinguishing operation of the oil stove A after the tent C collapses. Could be done with priority.

In the mounting position of the tent collapse sensor 5 of the present invention, abnormal combustion gas cannot be detected in this portion in a normal combustion state due to the natural ventilation rate of the tent C, and the radiant heat of the burner body 4 is received. Since it is difficult, the temperature of this part does not rise abnormally. However, when used abnormally, such as when continuously burning the open-type oil stove A for a long time, the combustion gas may become abnormal due to lack of oxygen, or the temperature in the tent C may rise to an abnormally high temperature.
Since the tent collapse sensor 5 operates even in such abnormal use, the user is notified of the abnormality by an alarm sound generator 6.
Can also be notified.

[0031]

As described above, according to the present invention, the stove guard B of the present invention is used in the tent C without any modification to the structure of the tent C or the structure of the open type oil stove A to be used. The stove guard B is not only provided in four directions on the side, but also provided with a mounting table 1 connected to the side guard 2 and an upper guard 3 covering an open portion on the upper side of the side guard 2. Even if the tent C collapses, the hot oil stove A is completely protected by the stove guard B, so that the material of the collapsed tent C does not directly touch the oil stove A, and no fire accident occurs immediately.

Further, even if the tent C collapses, the stove guard B ensures a minimum space around the oil stove A, so that a fire does not occur immediately. But,
If combustion is continued in this narrow space, carbon dioxide and carbon monoxide gas, which are combustion gases, are rapidly filled, and the temperature of the narrow space rapidly rises, resulting in a fire accident.

In the present invention, a tent collapse sensor 5 is provided below the side guard 2 near the table 1 of the stove guard B to detect abnormalities in the combustion gas or temperature abnormalities generated by the oil stove A in the collapsed tent C. From
The alarm sound generator 6 is activated by the tent collapse sensor 5 which does not operate at all in normal use. The alarm sound indicates the presence of the burning oil stove A, and the fire extinguishing operation prevents a fire accident from occurring. Now you can do it.

On the other hand, an ordinary oil stove A is provided with an automatic anti-seismic fire extinguishing system. When the tent C collapses, the oil stove A may be extinguished. Just by guarding the surroundings, safety can be ensured. Since the tent collapse sensor 5 of the present invention does not operate in such a case and does not generate an alarm sound, there is no need to confirm fire extinguishing of the oil stove A first after the collapse, and the tent C collapses. Of the many later cleanups, prioritizing other necessary work has made it possible to smoothly clean up the tent C after the collapse.

Some of the automatic anti-seismic fire extinguishers provided in the oil stove A extinguish a fire by using a seismic switch for opening and closing an electric circuit. Since the safety switch 7 is provided to switch over, if the automatic fire extinguishing circuit of the oil stove A is operated by using the external connection terminal 8, the oil stove A will be automatically and reliably operated when the tent C collapses by the operation of the tent collapse sensor 5. It has become possible to extinguish fires and has increased safety.

Further, if the tent collapse sensor 5 of the present invention is a sensor for detecting an abnormal temperature, it operates even when the inside of the tent C becomes high due to continuous operation for a long time. When the tent collapse sensor 5 detects the combustion gas, it also operates when abnormal combustion occurs due to mishandling of the oil combustor or the like. This makes it possible to extinguish the combustor and to evacuate in the event of an emergency, improving safety and making it easier to use.

[Brief description of the drawings]

FIG. 1 is a front view in which an oil stove is set on a stove guard according to an embodiment of the present invention.

FIG. 2 is a perspective view of a stove guard according to the embodiment of the present invention.

FIG. 3 is an embodiment of an electric circuit diagram of an oil stove used with a stove guard showing an embodiment of the present invention.

FIG. 4 is a partially cutaway perspective view showing an example of use of a stove guard according to the present invention.

[Explanation of symbols]

 Reference Signs List A Open oil stove B Stove guard C Tent 1 Table 2 Side guard 2a Opening 3 Upper guard 4 Burner body 5 Tent collapse sensor 6 Alarm sound generator 7 Safety switch 8 External connection terminal

Claims (3)

[Claims] 1. A guard B made of a wire for an open type oil stove A, wherein the guard B has a side guard 2 erected from a peripheral portion of a mounting table 1 on which the oil stove A is mounted. An opening 2a for oil stove operation is formed in a part of
Further, the side guard 2 is formed taller than the upper end of the oil stove A, and the guard B formed at the upper end of the side guard 2 is formed.
And a tent collapse sensor 5 on the side guard 2 close to the mounting table 1 which is hardly susceptible to radiant heat from the burner body 4 of the oil stove A.
And a warning sound generator 6 which is activated by the output of the tent collapse sensor 5 is attached, and the warning sound generator 6 notifies the presence of the burning oil stove A in the collapsed tent C. For oil stove guard. 2. The tent collapse sensor 5 comprises a sensor for detecting combustion gas or combustion heat in a space secured by the stove guard B, and the tent collapse sensor 5 does not detect the oil stove A whose fire has been extinguished. Oil stove guard for tent heating. 3. A safety switch 7 which is activated by the output of the tent collapse sensor 5 and switches contacts when an abnormality occurs. The safety switch 7 has an external connection terminal 8 connected to an automatic fire extinguishing circuit of the oil stove A. 2. The tent heating oil stove guard according to claim 1, wherein the switch 7 outputs an emergency fire extinguishing start signal of the oil stove A.