JPH06309577A - Smoke applying tester - Google Patents

Abstract

PURPOSE:To provide the smoke applying tester which does not require the use of fire and very simplifies clearance after the test by heating test oil in the oil storage part with an electric heater without burning it and guiding generated smoke to a smoke sensor. CONSTITUTION:An oil storage part 8 where test oil is stored, an electric heater 7 which heats test oil in the oil storage part 8 without burning, and a cylinder body 2 which guides generated smoke to a smoke sensor 20 are provided. The oil storage part 8 consists of an absorbent like a cotton material which can be soaked with test oil, and test oil is prevented from spilling or leaking, and clearance like abandonment of remaining test oil after the test is almost unnecessary. If a manual switch 5 is turned on to drive the electric heater 7 and a blower 6 and is turned off after the test, smoke is prevented from leaking in a room more than necessary after the test. Since the manual switch 5 can be operated at hand, the electric heater 7 and the blower 6 are easily controlled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smoke tester for adding smoke to a smoke sensor to test the operation of the smoke sensor.

[0002]

2. Description of the Related Art FIG. 4 is a partial sectional view showing a conventional example of a smoke tester. The smoke tester 1 applies smoke to the smoke sensor 20 in order to perform an operation test or an inspection of the smoke sensor 20 which is a fire alarm facility, and the smoke sensor 20 reports the smoke. As shown in FIG. 4, a device for testing whether or not there is a bottomed cylindrical body 2 for accommodating an incense stick 11 which is a source of smoke and guiding the smoke to a smoke detector 20, and the cylindrical body 2. A support bar 4 having a U-shaped support portion 3 for supporting
It is equipped with. The cylindrical body 2 has a shaft portion 2a,
It is axially attached to the support body portion 3 via 2a and can freely make an angle with respect to the support rod 4.

When using the smoke tester 1, first, the incense stick 11 is ignited, the incense stick 11 is placed on the bottom of the cylindrical body 2, and the smoke detector is grounded to the ceiling in the room. The tubular body 2 is brought close to the smoke detector 20 so that at least the smoke inflow portion 20a of the tubular body 20 is guided into the tubular body interior 2b of the tubular body 2. Then, the smoke generated from the incense stick 11 is guided to the smoke detector 20 by the cylindrical body 2. The smoke detector 2
No. 0 causes smoke generated from the incense stick 11 to flow in from the smoke inflow portion 20a, and issues an alarm when the smoke has a concentration higher than a predetermined value. If the smoke sensor 20 does not report at this time, it can be found that the smoke sensor 20 is out of order.

[0004]

However, since the smoke tester 1 of the conventional example handles the fire such as a match or a lighter to ignite the incense stick 11, it cannot be used in a place where fire is strictly prohibited. At the same time, even in the usual places, we had to be very careful to dispose of the fire.

Although it is necessary to extinguish the incense stick 11 after the test, it is very troublesome to dispose of the burnt residue (extinguishing ash) of the incense stick 11.

Further, since the smoke source is the incense stick 11,
The smell of the incense stick 11 when it burned was especially disliked in hospitals and the like.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a smoke tester which does not require the use of fire and is extremely easy to clean up after the test. Especially.

[0008]

SUMMARY OF THE INVENTION The present invention, which has been made to solve the above-mentioned problems, has an oil storage section for storing a test oil that produces oil smoke due to heating and a test oil in the oil storage section not to burn. The smoke tester is characterized by comprising an electric heater for heating to the above and a tubular body for guiding the generated oil smoke to the smoke sensor.

[0009]

According to the present invention, since the test oil is heated by the electric heater to generate oil smoke, there is no need to use fire, and since no burnt residue is generated after the test, it is very easy to clean up after the test. You can

Further, in the present invention, when the test oil is soaked into the permeating material and used, it is possible to prevent the test oil from spilling or leaking, and to eliminate the need for cleaning up the test oil. . Furthermore, in the present invention, if the oil smoke generated by the air blower is sent to the smoke detector, the oil smoke is quickly introduced into the smoke detector, and the test time can be shortened. Furthermore,
In the present invention, if the electric heater is turned on / off by a manual switch, the generation of oil smoke can be controlled, and thus it is possible to prevent the residual smoke after the test from leaking into the room more than necessary.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing its embodiments. Incidentally, the corresponding components in the conventional example are denoted by the same reference numerals.

FIG. 1 shows a first embodiment of a smoke tester 1 according to the present invention.
It is a partial cross section figure which shows an Example. The smoke tester 1 of the first embodiment comprises an oil storage section 8 for storing test oil, and an electric heater 7 for heating the test oil in the oil storage section 8 so as not to burn it.
And a tubular body 2 for guiding the generated oil smoke to the smoke sensor 20,
It is characterized by comprising. As the test oil, an oil such as mechanical oil that produces oil smoke when heated is used. It is also very good to use a test oil that produces no oily fumes. The details will be described below.

The smoke tester 1 of the first embodiment is a support rod in which a bottomed cylindrical body 2 and a U-shaped supporting body portion 3 for supporting the cylindrical body 2 are fixedly arranged at the tip. 4, the cylindrical body 2 is axially attached to the support body portion 3 via the shaft portions 2a, 2a thereof, and is freely angled with respect to the support rod 4. You can do it.

The oil storage section 8 is disposed at the inner bottom of the cylindrical body 2 and is made of a penetrating material such as a cotton material, into which the test oil permeates. At the time of the test, the test oil is sufficiently impregnated in the penetrant. By impregnating the penetrant with the test oil, it is possible to prevent the test oil from spilling or leaking from the cylindrical body 2, and it becomes unnecessary to dispose of the excess test oil after the test.

The electric heater 7 is composed of a nichrome wire, a resistor or the like, and heats the penetrant of the oil storage section 8 at a relatively low temperature of 200 to 300 ° C. By the low temperature heating by the electric heater 7, the test oil in the oil storage section 8 is not burned but is partially decomposed into mist-like oil smoke.

It should be noted that, without using a penetrant in the oil storage section 8,
The test oil may be stored in the oil storage section 8 in a liquid state and heated by the electric heater 7.

The oil smoke generated as described above rises inside the cylinder body 2b of the cylinder body 2 and is guided to the opening of the cylinder body 2.

A blower device 6 such as a fan motor is disposed inside the cylinder body 2b of the cylinder body 2. The air blower 6 forcibly blows the oily smoke generated from the oil storage section 8 and rising to accelerate the rise of the oily smoke.

Further, the smoke tester 1 is provided with a DC power source 9 for driving the electric heater 7 and the blower device 6, and a manual switch 5 for controlling on / off of the electric heater 7 and the blower device 6. Has been done. The DC power source 9 is
The manual switch 5 is fixed to the outer bottom of the tubular body 2, and the manual switch 5 is arranged at the grip of the support rod 4. FIG. 3 is a circuit diagram of the smoke tester 1 of the present embodiment. The electric heater 7 is connected in parallel to both ends of the DC power supply 9, and the blower 6 is connected in parallel. The manual switch 5 is connected in series to the DC power supply 9.

That is, in this embodiment, the manual switch 5 is turned on only during the test to drive the electric heater 7 and the blower 6, and at the end of the test, the manual switch 5 is turned on.
By turning off, it is possible to prevent smoke from leaking into the room more than necessary after the test. Further, since the manual switch 5 can be operated at hand, the electric heater 7 and the blower 6 can be controlled very easily.

Instead of the DC power source 9, a cord with an outlet plug for inserting and connecting to an indoor outlet for supplying an AC power source may be provided to take power from the indoor outlet.

When using the smoke tester 1 having the above-mentioned structure, first, the test oil is injected into the oil storage section 8 and at least the smoke inflow section 2 of the smoke sensor 20 grounded to the ceiling in the room.
0a is guided to the inside 2b of the cylinder 2 of the cylinder 2,
The cylinder body 2 is brought close to the smoke sensor 20, and the manual switch 5 is turned on. Then, the electric heater 7 and the blower 6 are driven, the test oil in the oil storage unit 8 is heated to generate oil smoke, and the oil smoke is forcibly guided to the smoke sensor 20 by the blower 6. To be done. The smoke detector 20 is adapted to flow in the oil smoke from the smoke inflow portion 20a and issue an alarm when the oil smoke has a concentration higher than a predetermined value. If the smoke sensor 20 does not report at this time, it can be found that the smoke sensor 20 is out of order.

FIG. 2 shows a second embodiment of the smoke tester 1 according to the present invention.
It is a partial cross section figure which shows an Example. The main difference between the smoke tester 1 of the second embodiment and that of the first embodiment is that the support part 3 and the support rod 4 are not provided, and the tip of the tubular body 2 is expandable and contractible. It is a hollow pipe. The manual switch 5 is arranged on the outer side surface of the cylindrical body 2. An expandable and contractible bellows portion 2c is provided in the middle of the distal end of the cylindrical body 2.

The smoke tester 1 of the second embodiment performs the test with the tubular body 2 placed on the indoor floor. At this time, the tubular body 2
The tip end opening 2d of the smoke detector 20 is connected to the smoke inlet 20 of the smoke detector 20.
The length of the tip portion of the tubular body 2 is adjusted so as to face a. Of course, in the second embodiment, the smoke inflow portion 20a of the smoke detector 20 may be configured to enter the tip end opening portion 2d of the cylindrical body 2.

[0025]

According to the present invention configured as described above, since it is not necessary to use fire, it can be used even in a place where fire is strictly prohibited, and since burns etc. do not occur after the test, the test It's very easy to clean up.

Further, in the present invention, if the test oil is soaked into the penetrant and used, it is possible to prevent the test oil from spilling or leaking, and it is almost unnecessary to dispose of the test oil.

Further, in the present invention, if the oil smoke generated by the air blower is sent to the smoke detector, the test time can be shortened.

Further, in the present invention, if the electric heater is turned on / off by a manual switch, it is possible to prevent the residual smoke after the test from leaking into the room more than necessary.

[Brief description of drawings]

FIG. 1 is a partial sectional view showing a first embodiment of the present invention.

FIG. 2 is a partial sectional view showing a second embodiment of the present invention.

FIG. 3 is a circuit diagram showing an embodiment of the present invention.

FIG. 4 is a partial cross-sectional view showing a conventional example.

[Explanation of symbols]

 1 Smoke Tester 2 Cylinder 2b Cylinder Inside 4 Support Rod 5 Manual Switch 6 Blower 7 Electric Heater 8 Oil Storage (Penetrating Material Soaked with Test Oil) 9 DC Power Supply 20 Smoke Detector 20a Smoke Inlet

Claims (4)

[Claims] 1. An oil storage part for storing a test oil that generates oil smoke by heating, an electric heater for heating the test oil in the oil storage part so as not to burn it, and a tube for guiding the generated oil smoke to a smoke sensor. A smoke tester, comprising: a body. 2. The smoke tester according to claim 1, wherein the oil storage unit is configured by a penetrant into which the test oil is impregnated. 3. The smoke tester according to claim 1, further comprising a blower for blowing the generated oil smoke. 4. The smoke tester according to claim 1, further comprising a power supply unit for driving the electric heater and a manual switch for controlling on / off of the electric heater.