KR102534520B1 - Smoke detector test smoke generator - Google Patents

Abstract

The present invention includes a housing with an open top forming a space therein, and a smoke generating unit disposed at a lower portion of the housing. An object of the present invention is to provide a smoke generating device for a smoke detection test which prevents smoke generated by a smoke generator from leaking to the outside and can improve storage and work efficiency by adjusting the height.

Description

Smoke generating device for testing smoke detection device {SMOKE DETECTOR TEST SMOKE GENERATOR}

The present invention relates to a smoke generating device for testing a smoke detection device, and more particularly, to a smoke generating device for testing a smoke detection device capable of generating smoke to test a smoke detection device.

In general, a fire alarm device that sounds an alarm is installed in a building so that many people can be aware of a fire when a fire occurs.

Such a fire alarm device includes a fire detection device and an alarm device that detect smoke and output a predetermined signal when a fire occurs.

Here, the fire detection device consists of a smoke detection device that captures smoke.

However, in order to test the fire detection device, there is a smoke generator capable of checking the operation state of the smoke detection device by generating smoke of a certain concentration as a test instrument for the smoke detection device.

The problem of these smoke generators is that paraffin solution is used as a fuel to generate smoke, and these paraffins generate harmful substances when burned, and if these harmful substances are continuously inhaled for repeated tests, there is a concern that health will be greatly harmed. there is

In addition, the conventional smoke detection device test device is tested by generating smoke by attaching a smoke generator to the installation surface of the smoke detection device. There was a problem in that the reliability of the results was lowered.

In addition, due to the nature of the smoke detection device, which is mainly installed on the ceiling, in order to test the smoke generating device, a ladder was used every time, or a test device with a smoke generator attached to a long bone was configured and tested, so the work was not only very cumbersome, but also , there was a problem of difficult storage.

The present invention is to solve the above-described problems, and smoke generated by a smoke generator is prevented from leaking to the outside, and the height can be adjusted to improve storage and work efficiency. Its purpose is to provide a device.

A smoke generating device for testing a smoke detection device according to an embodiment of the present invention may include a housing having an open top and forming a space therein, and a smoke generating unit disposed under the housing.

A smoke generating unit according to another embodiment of the present invention includes a case disposed below the inner space of the housing, a solution accommodated in the case, and an ultrasonic vibrator disposed inside the case to vibrate the solution; It includes a sponge disposed inside the case, a height adjustment unit is disposed on the lower surface of the housing, the height adjustment unit is connected to the lower portion of the housing and has a cylindrical first member having a screw thread formed on an outer circumferential surface; A second member formed in a hollow cylindrical shape larger than the diameter of the first member so that one member can be drawn into the inside, and an inner circumferential surface disposed on the upper portion of the second member to correspond to a screw thread formed on the outer circumferential surface of the first member It may include a screw thread, a rotating member having a gear formed on an outer circumferential surface thereof, and a driving source that engages with the gear of the rotating member and rotates the rotating member in a forward or reverse direction.

An opening/closing unit is installed on the upper part of the housing of the smoke generating device for testing the smoke detection device according to another embodiment of the present invention, and the opening/closing unit includes a frame exposed upward from the upper end of the housing and installed; A ring made of a material surrounding the smoke detection device, a cover made of a thin film made of a soft material and covering the space between the outer rim of the ring and the inside of the frame, and a plurality of covers installed at regular intervals along the inside of the frame. Two winding parts and one end of each are installed at regular intervals along the outer side of the ring, and each other end is installed on the plurality of winding parts, respectively, and as the winding part rotates in a forward or reverse direction, the ring is A plurality of wires generating tension in the inner direction of the frame, installed along the inner side of the frame, and connected to each of the plurality of winding parts along the inner surface by being engaged with each other, and rotated in a forward or reverse direction to form the plurality of winding parts. It includes a belt that rotates in a forward or reverse direction at the same time, and the winding unit is installed inside the frame and has an opening formed on one side opposite to the inner side of the frame so that the other end of the wire is inserted into the inner space. a gear box, a movable gear installed inside the gear box, and having a gear ridge formed on an outer circumferential surface to be engaged with a gear ridge formed along an inner circumferential surface of the belt, and a rotation center of the movable gear, and the other end of the wire is installed and includes a winding shaft for winding or unwinding the other end of the wire by rotating in a forward or reverse direction as the movable gear rotates in a forward or reverse direction by the belt, and a control unit is disposed below the second member, The control unit includes a first button for operating the ultrasonic vibrator, a second button for stopping the ultrasonic vibrator, a third button for forward rotation of the driving source, a fourth button for rotating the driving source in a reverse direction, , A fifth button for rotating the belt in a forward direction, and a sixth button for rotating the belt in a reverse direction.

According to one aspect of the present invention, a smoke generating device for testing a smoke detecting device includes a housing including a smoke generating unit capable of generating smoke in order to test a smoke detecting device mainly installed on a ceiling of a building, and a ceiling portion where the smoke detecting device is located. A height adjustment unit that can be moved is included to improve the test efficiency of the smoke detection device and save time.

In addition, the smoke generating device for testing the smoke detection device according to another aspect of the present invention further includes an opening/closing unit in order to prevent smoke generated from the smoke generating unit from leaking out of the housing, wherein the opening/closing unit is elongated. Alternatively, since it is composed of a cover and a ring of a thin film that can be shrunk, it is effective to prevent smoke from leaking out to the outside by enclosing and sealing the smoke detection device.

1 is a schematic perspective view illustrating a smoke generating device for testing a smoke detection device.
2 is a schematic perspective view for explaining a smoke generating unit.
3 and 4 are schematic cross-sectional views for explaining the height adjustment unit.
5 and 6 are schematic perspective views for explaining the opening and closing unit.
7 to 10 are schematic perspective views for explaining the washing unit.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described in this specification may be modified in various ways. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only for easy understanding of various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and technical scope of the invention.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but these components are not limited by the above terms. The terminology described above is only used for the purpose of distinguishing one component from another.

In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded. It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Meanwhile, a “module” or “unit” for a component used in this specification performs at least one function or operation. And a "module" or "unit" may perform a function or operation by hardware, software, or a combination of hardware and software. In addition, a plurality of “modules” or “units” other than “modules” or “units” to be executed in specific hardware or to be executed in at least one processor may be integrated into at least one module. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be abbreviated or omitted.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

1 is a schematic perspective view illustrating a smoke generating device for testing a smoke detection device.

Referring to FIG. 1 , a smoke generating device 100 for testing a smoke detection device may include a housing 110 and a smoke generating unit 200 .

The housing 110 may be formed in an open top having an internal space. For example, the housing 110 may be formed in a rectangular parallelepiped shape. In addition, the housing 110 may be formed of a transparent material, specifically, an acrylic material so that whether or not the smoke detection device 10 is operating can be checked.

2 is a schematic perspective view for explaining a smoke generating unit.

Referring to FIG. 2 , the smoke generating unit 200 is disposed on an inner lower surface of the housing 110 to generate smoke, thereby confirming whether the smoke detection device 10 is operating. The smoke generating unit 200 generates smoke by burning paper or the like, or oil and moisture generated when smoke is generated using a fog liquid remain inside the housing 110, making cleaning difficult and durable. In order to solve this deterioration problem, the durability of the smoke generating device 100 for testing the smoke detection device may be improved by using a paraffin solution to prevent oil and moisture from remaining.

The smoke generating unit 200 may include a case 210, a solution 220, an ultrasonic vibrator 230, and a sponge 240.

The case 210 may be disposed below the space inside the housing 110 . The case 210 has a space formed therein to store the solution 220 .

The solution 220 may be vaporized by the ultrasonic vibrator 230 to be described later.

The ultrasonic vibrator 230 is disposed under the case 210, and a number of known technologies may be applied. The ultrasonic vibrator 230 may vaporize the solution 220 using an ultrasonic vibration method.

The sponge 240 is disposed in the center of the case 210 to absorb the solution 220, prevent the solution 220 from being scattered by the ultrasonic vibrator 230, and increase smoke generation efficiency. can improve

3 and 4 are schematic cross-sectional views for explaining the height adjustment unit.

Referring to FIGS. 3 and 4 , the smoke generating device 100 for testing the smoke detection device may include a height adjusting unit 300 .

The height adjustment unit 300 may be installed in combination with the lower portion of the housing 110 . Due to the characteristics of the smoke detection device 10, which is mainly located on the indoor ceiling, the efficiency of test work can be improved by adjusting the height without using an additional tool such as a ladder.

The height adjustment unit 300 may include a first member 310 , a second member 320 , a rotating member 330 and a driving source 340 .

The first member 310 may be formed in a cylindrical shape with threads formed on an outer circumferential surface thereof, and may be directly connected to the lower portion of the housing 110 . At this time, the coupling method may be coupled using various coupling methods such as screw coupling and welding.

The second member 320 may be formed in a hollow cylindrical shape so that the first member 310 can be drawn into the inside. To this end, the second member 320 may be formed to have a larger diameter than the first member 310 so that the first member 310 can move up and down inside the second member 320 .

The rotating member 330 may be disposed on top of the second member 320 . A screw thread corresponding to a screw thread formed on an outer circumferential surface of the first member 310 may be formed on an inner circumferential surface of the rotating member 330 .

In addition, a gear may be formed on an outer circumferential surface of the rotating member 330 . This may be formed to receive a driving force to be rotated in a forward or reverse direction by the driving source 340 to be described later.

The driving source 340 may transmit driving force by meshing with a gear formed on an outer circumferential surface of the rotating member 330 .

Referring to the operation of the height adjustment unit 300, the drive source 340 can be rotated forward or backward by the control unit 500, which will be described later. When the drive source 340 rotates in the forward or reverse direction, since it is meshed with the gear formed on the outer circumferential surface of the rotation member 330, the rotation member 330 also rotates in the same direction as the forward or reverse rotation of the drive source 340. It can rotate in either forward or reverse direction.

When the rotating member 330 rotates in the forward or reverse direction, the screw thread formed on the inner circumferential surface of the rotating member 330 rotates, and the coupled first member 310 may rise or fall in correspondence thereto. As such, the height of the first member 310 may be adjusted by raising or lowering. In addition, when the first member 310 can be drawn into the second member 320 and is not in use, the driving source 340 is rotated in a reverse direction to move the first member 310 to the second member 310. It can be easily stored by being drawn into the inner space of the member 320.

5 and 6 are schematic perspective views for explaining the opening and closing unit.

Referring to FIGS. 5 and 6 , the opening/closing unit 400 may be disposed at the top of the housing 110 .

The opening and closing unit 400 may include a frame 410 , a ring 420 , a cover 430 , a winding part 440 , a wire 450 and a belt 460 .

The frame 410 may be disposed at the top of the housing 110 and installed along the edge of the housing 110 . The frame 410 may be formed to protrude upward along the edge of the housing 110 .

The ring 420 may be formed of a soft material that can expand or contract.

The cover 430 is formed of a soft thin film material that can expand or contract like the ring 420, and is installed to cover the space between the inner surface of the frame 410 and the outer surface of the ring 420, , It is possible to prevent a problem in which smoke generated by the smoke generating unit 200 leaks to the outside.

A plurality of winding parts 440 may be spaced apart from each other at regular intervals along the inner surface of the frame 410 . The winding unit 440 may wind or unwind the other end of the wire 450 .

The wire 450 may be installed at one end at a predetermined interval along the outer side of the ring 420, and each other end may be installed at a plurality of winding parts 440, respectively, and the winding part As the 440 rotates forward or backward, the ring 420 may be pulled toward the inner surface of the frame 410 .

Due to this, the ring 420 may be expanded or contracted.

The winding unit 440 may include a gear box 441 , a movable gear 442 and a winding shaft 443 .

The gear box 411 may be installed on the inner surface of the frame 410, and an opening 444 through which the other end of the wire 450 may be inserted into the inner space is formed on the inner surface of the frame 410 and It may be formed on the opposite side.

The movable gear 442 may be installed inside the gearbox 441, and a gear mountain meshing with a gear mountain formed along an inner circumferential surface of the belt 460 may be formed along an outer circumferential surface.

The winding shaft 443 serves as a rotating shaft of the movable gear 442 and at the same time the other end of the wire 450 is installed so that the movable gear 442 rotates forward or reverse by the belt 460. Similarly, the other end of the wire 450 may be wound or unwound while rotating in the forward or reverse direction.

With the structure as described above, the opening and closing unit 400 operates the opening and closing unit 400 when the housing 110 reaches the smoke detection device 10 by the height adjusting unit 300. Specifically, the ring 420 is expanded or contracted by rotating the belt 460 forward or backward to place the smoke detection device 10 inside the space formed by the border of the ring 420, and then the smoke detection device 10 is placed. By rotating the belt 460 to contract the ring 420, the ring 420 surrounds the smoke detection device 10, and the smoke generated by the smoke generating unit 200 leaks to the outside. can solve

In addition, the smoke generating device 100 for testing the smoke detection device may further include a controller 500.

The control unit 500 may be disposed near the lower end of the second member 320, that is, near a place where an operator's hand is located.

The controller 500 includes a first button 510 capable of generating smoke by operating the ultrasonic vibrator 230, a second button 520 capable of stopping the operation of the ultrasonic vibrator 230, and the driving source. A third button 540 that rotates 340 in a forward direction to allow the first member 310 to ascend, and rotates the drive source 340 in a reverse direction to allow the first member 310 to descend. A fourth button 540 that rotates the belt 460 in a forward direction to expand the ring 420, and a fifth button 550 that rotates the belt 460 in a reverse direction to expand the ring 420. It may include a sixth button 560 capable of contracting.

7 to 10 are schematic perspective views for explaining the washing unit.

7 to 10, another embodiment of the present invention will be described.

The smoke generating device 100 for testing the smoke detection device may further include a cleaning unit 600 . When the smoke generating device 100 for testing the smoke detection device includes the washing unit 600, the washing unit 600 is disposed at the lower center of the housing 110, and the smoke generating unit 200 may be disposed below the housing 110 and around the washing unit 600 .

The cleaning unit 600 may be disposed inside the housing 110 to test and clean the smoke detection device 10 at the same time.

The cleaning unit 600 may include a first body 610 , a second body 620 and a rolling member 630 .

The first body 610 may be formed in a cylindrical shape, and a screw thread may be formed on an outer circumferential surface.

The second body 620 may have a still thread corresponding to a thread formed on an inner circumferential surface of the first body 610 . In addition, a flange member 621 may be formed at an upper end of the second body 620 . The flange member 621 may be attached to the lower portion of the housing 110 and then fixed by screwing or the like.

A groove may be formed at an upper portion of the first body 610 to allow the rolling member 630 to be coupled thereto. ) and the second rail 639 may be inserted and coupled.

The rolling member 630 may include a wheel 631 formed in a disk shape and having shafts 633 formed on both sides thereof, and a bearing member 635 coupled to the shafts 633 on both sides of the wheel 631. .

Due to the first rail 637 and the second rail 639 formed on the first body 610 so that the upper and lower portions of the bearing member 635 can come into contact with each other, the bearing member 635 is It is in contact with the first rail 637 and the second rail 639 to perform a rolling motion.

The wheel 631 can roll along the surface of the smoke detection device 10, and the bearing member 635 is disposed between the first rail 637 and the second rail 639 Rotational motion can be made possible by rolling motion.

That is, since the wheel 631 can change direction, the surface of the smoke detection device 10 can be smoothly cleaned.

In addition, the surface of the wheel 631 may be made of a material such as cloth or nonwoven fabric, such that the surface of the smoke detection device 10 can be smoothly cleaned.

The operation of the washing unit 600 configured as described above can be explained as follows.

The flange member 621 of the second body 620 may be closely attached to the lower surface of the housing 110 and coupled using screws or the like.

Then, after inserting the first rail 637 into the mounting groove of the first body 610, inserting the wheel 631 coupled with the bearing member 635 on both sides, and then inserting the second rail 639 ) may be combined to form the rolling member 630.

Then, after coupling the second body 620 to the outside of the first body 610, the second body 620 is rotated in a forward or reverse direction to move the first body 610 up and down. , After testing the smoke detection device 10, the smoke detection device 10 may be cleaned.

In addition, although not shown, the washing unit 600 may include a separate driving source (not shown) connected to the second body 620, and the control unit 500 may have the separate driving source (not shown). ) may include separate seventh and eighth buttons (not shown) capable of rotating forward or reverse.

Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific embodiments described above, and is common in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Of course, various modifications are possible by those with knowledge of, and these modifications should not be individually understood from the technical spirit or perspective of the present invention.

100: smoke generating device for testing smoke detection device
10: smoke detection device 110: housing
200: smoke generating unit 210: case
220: solution 230: ultrasonic vibrator
240: sponge 300: height adjustment unit
310: first member 320: second member
330: rotating member 340: driving source
400: opening and closing unit 410: frame
420: ring 430: cover
440: winding unit 441: gear box
442: movable gear 443: winding shaft
444: opening 450: wire
460: belt 500: control unit
510: first button 520: second button
530: third button 540: fourth button
550: fifth button 560: sixth button
600: washing unit 610: first body
620: second body 621: flange member
630: rolling member 631: wheel
633: shaft 635: bearing member
637: first rail 639: second rail

Claims (3)

A housing having an open top and forming a space therein; and
A smoke generating unit disposed under the housing; includes,
The smoke generating unit,
a case disposed below the inner space of the housing;
a solution accommodated inside the case;
an ultrasonic vibrator disposed inside the case to vibrate the solution;
Including; sponge disposed inside the case,
A height adjustment unit is disposed on the lower surface of the housing,
The height adjustment unit,
a cylindrical first member connected to the lower portion of the housing and having a screw thread formed on an outer circumferential surface;
a second member formed in a hollow cylindrical shape larger than the diameter of the first member so that the first member can be drawn into the inside;
a rotating member disposed above the second member, having a screw thread formed on an inner circumferential surface to correspond to a screw thread formed on an outer circumferential surface of the first member, and having a gear formed on the outer circumferential surface;
A driving source that meshes with the gear of the rotating member and rotates the rotating member in a forward or reverse direction;
An opening and closing unit is installed on the top of the housing,
The opening and closing unit,
a frame installed and exposed upward from the upper end of the housing;
A ring made of a soft material and surrounding the smoke detection device;
a thin film cover made of a soft material and covering the space between the outer rim of the ring and the inner side of the frame;
A plurality of winding parts installed spaced apart at regular intervals along the inside of the frame;
One end of each is installed at regular intervals along the outer side of the ring, and each other end is installed on each of the plurality of winding parts, and as the winding part rotates in the forward or reverse direction, the ring is moved in the inner direction of the frame. A plurality of wires to generate tension;
A belt installed along the inside of the frame, coupled to the plurality of winding parts along the inner surface, and rotating in a forward or reverse direction to rotate the plurality of winding parts in a forward or reverse direction at the same time,
The winding part,
a gearbox installed inside the frame and having an opening formed on one side opposite to the inner surface of the frame so that the other end of the wire is inserted into the inner space;
a movable gear that is installed inside the gear box and has a gear ridge formed on an outer circumferential surface thereof to be engaged with a gear ridge formed along an inner circumferential surface of the belt;
A take-up shaft that serves as the rotational center of the movable gear and has the other end of the wire installed so that the movable gear rotates in a forward or reverse direction as the belt rotates in a forward or reverse direction to wind or unwind the other end of the wire. include,
A controller is disposed under the second member,
The control unit,
a first button operating the ultrasonic vibrator;
a second button stopping the ultrasonic vibrator;
a third button for rotating the driving source in a forward direction;
a fourth button for rotating the driving source in a reverse direction;
a fifth button for rotating the belt in a forward direction;
A smoke generating device for testing a smoke detection device comprising a; sixth button for rotating the belt in a reverse direction.
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