Sensitivity detection device for smoke detector

Abstract

The utility model provides a smoke detector sensitivity detection device which comprises a base, a pipeline assembly is installed on the top of the base and comprises a lower pipe, the top of the lower pipe is fixed to the base, the top of the lower pipe is connected with a splicing pipe, an upper pipe is installed on the top of the splicing pipe, and the upper pipe is connected with the upper pipe. A smoke detector body is installed on the wall top of the top of the upper pipe, an air supply assembly is arranged in the pipeline assembly, the air supply assembly comprises a movable plate, the movable plate is a circular plate, the movable plate moves along the interior of the pipeline assembly, and a smoke generator is fixedly installed at the bottom of the movable plate. A hollow pipe flue is formed from the ground to the wall top, the driving assembly adjusts the position of the gas supply assembly, smoke is emitted from different positions in the pipeline, the detection sensitivity of the smoke detector after the smoke rises from different positions is detected, use is more convenient, and meanwhile applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke detector sensitivity detection, in particular to a smoke detector sensitivity detection device. Background Technique

[0002] A smoke detector, also known as a smoke-type fire detector, a smoke detector, a smoke sensor, a smoke detector probe and a smoke sensor, is mainly applied to a fire protection system. After the detector is fixed, it needs to be regularly detected for its sensitivity to smoke alarm and whether it is in a normal working state.

[0003] Patent CN220584772U proposes a smoke detector sensitivity detection device. The cover body is buckled on the smoke detector through a telescopic rod, and the smoke generated by the smoke generator passes through the telescopic rod and enters the cover body to detect the smoke detector. The smoke in the cover body can enter the annular cover through the air flow channel, and then flow into the filter through the return pipe for filtering. After the detection is completed, wait for the smoke in the cover body to be exhausted. After all the smoke is filtered by the filter, it is removed. The smoke during the detection process can be filtered by the filter, avoiding the escape of the detected smoke into the air. At the same time, a negative pressure fan generates negative pressure in the annular cover, which can make the smoke in the smoke generator quickly enter the cover body through the telescopic rod, accelerating the speed of the smoke entering the cover body and improving the detection efficiency.

[0004] In the above solution, after the smoke detector is wrapped by a telescopic hollow rod and the smoke is generated to detect the sensitivity of the smoke detector, the position of the smoke generator is fixed, resulting in the inability to detect the sensitivity of the smoke detector from different heights. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a smoke detector sensitivity detection device to solve the problems put forward in the above background technique. The structure of the utility model is novel. Through the installation of multiple spliced pipes, a hollow pipe flue is formed from the ground to the wall top. The driving component adjusts the position of the air supply component, emits smoke from different positions inside the pipe, and detects the sensitivity of the smoke detector when the smoke rises from different positions. It is more convenient to use and has strong applicability at the same time.

[0006] To achieve the above object, the utility model is realized through the following technical solutions: A smoke detector sensitivity detection device includes a base, on the top of which a pipeline component is installed. The pipeline component includes a lower pipe, the top of the lower pipe is fixed to the base, and the top of the lower pipe is connected with a splicing pipe. The top of the splicing pipe is installed with an upper pipe, and the top of the upper pipe is installed with a smoke detector body on the wall top. A gas supply component is arranged inside the pipeline component. The gas supply component includes a moving plate, which is a circular plate and moves along the inside of the pipeline component. A smoke generator is fixedly installed at the bottom of the moving plate, and an air outlet is fixed at the top of the moving plate. The air outlet is communicated with the smoke generator. A driving component is arranged outside the pipeline component. The driving component includes a traction rope, which fixedly passes through the moving plate, and the top and bottom of the traction rope respectively pass out from the upper pipe and the lower pipe.

[0007] Further, the pipeline component further includes a wrapping frame. The bottom of the wrapping frame is fixedly connected to the top of the upper pipe, and a rubber strip is fixed to the top edge of the wrapping frame, and the rubber strip is in pressing contact with the wall surface around the smoke detector body.

[0008] Further, the splicing pipe includes a first half frame and a second half frame. The first half frame and the second half frame are combined into a complete hollow pipe, and the first half frame and the second half frame are fixed by screws.

[0009] Further, connection rings are fixed to the top and bottom of the first half frame and the bottom of the upper pipe and the top of the lower pipe. A fixing bolt is threadedly inserted between adjacent connection rings.

[0010] Further, the gas supply component further includes a blower. The blower is fixed to the outer wall on the side of the bottom of the lower pipe. One end of the blower is connected with an outer end bellows, and a filter is arranged at the connection end of the blower and the outer end bellows, and the other end of the outer end bellows penetrates into the wrapping frame.

[0011] Further, the other end of the blower is connected with an inner side bellows, and the inner side bellows is located inside the pipeline component and is connected with the smoke generator.

[0012] Further, the driving component further includes a winding seat. Winding seats are fixed to the outer wall on the top of the upper pipe and the outer wall on the bottom of the lower pipe, and the two ends of the traction rope are respectively wound on the winding shafts of the two winding seats.

[0013] Further, motors are fixed to the positions of the upper pipe and the lower pipe corresponding to the winding seats, and the motors are fixedly connected with the winding shafts of the winding seats.

[0014] The beneficial effects of the utility model:

[0015] When the moving plate moves up and down along with the towing rope in the present utility model, the inner bellows expands or contracts synchronously to maintain the connection with the blower. When different numbers of splicing pipes are installed, the length of the outer bellows can be adjusted to maintain the connection between the other end of the blower and the upper pipe, thereby realizing the gas circulation.

[0016] When the present utility model needs to adjust the moving plate upward, the motor of the upper winding seat drives the winding shaft to wind the towing rope, and the motor of the lower winding seat drives the winding shaft to unwind the towing rope. Thus, the moving plate moves along the inside of the pipeline assembly together with the towing rope to adjust to different heights and test the sensitivity of the smoke detector body by emitting smoke.

[0017] The splicing pipe of the present utility model is composed of a first half-frame and a second half-frame, and can be spliced together during installation, avoiding the situation that it cannot be installed due to the existence of the towing rope. The upper and lower ends of the splicing pipe are fixedly installed on the upper pipe and the lower pipe through connecting rings and fixing bolts, which is convenient for disassembly and also convenient for selecting the installation quantity of the splicing pipe according to the height of the smoke detector, making the top of the upper pipe contact the wall top and the base contact the ground.

[0018] Compared with the prior art, the present utility model forms a hollow pipe flue from the ground to the wall top through the installation of multiple splicing pipes. The driving assembly adjusts the position of the air supply assembly to emit flue gas from different positions inside the pipeline, and detects the sensitivity of the smoke detector when the flue gas rises from different positions. It is more convenient to use and has strong applicability. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of a smoke detector sensitivity detection device of the present utility model;

[0020] Figure 2 It is a schematic diagram of the upper end structure of the upper pipe of a smoke detector sensitivity detection device of the present utility model;

[0021] Figure 3 It is a schematic diagram of the splicing pipe structure of a smoke detector sensitivity detection device of the present utility model;

[0022] Figure 4 It is a schematic diagram of the air supply assembly structure of a smoke detector sensitivity detection device of the present utility model.

[0023] In the figure: 1. Base; 2. Pipeline assembly; 21. Lower pipe; 22. Upper pipe; 23. Splicing pipe; 231. First half frame; 232. Second half frame; 233. Connecting ring; 234. Fixing bolt; 24. Wrapping frame; 241. Rubber strip; 3. Air supply assembly; 31. Outer end bellows; 32. Moving plate; 33. Smoke generator; 34. Air outlet; 35. Inner side bellows; 36. Fan; 4. Driving assembly; 41. Reel seat; 42. Motor; 43. Towing rope; 5. Smoke detector body. Detailed implementation manners

[0024] To make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the detailed implementation manners.

[0025] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: a smoke detector sensitivity detection device, including a base 1, a pipeline assembly 2 is installed on the top of the base 1, the pipeline assembly 2 includes a lower pipe 21, the top of the lower pipe 21 is fixed to the base 1, and the top of the lower pipe 21 is connected with a splicing pipe 23, the top of the splicing pipe 23 is installed with an upper pipe 22, a smoke detector body 5 is installed on the top wall of the upper pipe 22, an air supply assembly 3 is arranged inside the pipeline assembly 2, the air supply assembly 3 includes a moving plate 32, the moving plate 32 is a circular plate, and the moving plate 32 moves along the inside of the pipeline assembly 2, a smoke generator 33 is fixedly installed at the bottom of the moving plate 32, and an air outlet 34 is fixed to the top of the moving plate 32, the air outlet 34 is communicated with the smoke generator 33, a driving assembly 4 is arranged outside the pipeline assembly 2, the driving assembly 4 includes a towing rope 43, the towing rope 43 fixedly passes through the moving plate 32, and the top and bottom of the towing rope 43 respectively pass out from the upper pipe 22 and the lower pipe 21. When using the device, after assembling the splicing pipe 23 with the upper pipe 22 and the lower pipe 21, the top of the upper pipe 22 is wrapped around the periphery of the smoke detector body 5 through a wrapping frame 24, the lower pipe 21 is fixed on the base 1, and then through the air supply assembly 3 and the driving assembly 4, smoke is emitted from different heights to detect the sensitivity of the smoke detector body 5.

[0026] In this embodiment, the pipe assembly 2 further includes a wrapping frame 24. The bottom of the wrapping frame 24 is fixedly connected to the top of the upper pipe 22, and a rubber strip 241 is fixed to the top edge of the wrapping frame 24. The rubber strip 241 is in extrusion contact with the wall surface around the smoke detector body 5. The splicing pipe 23 includes a first half-frame 231 and a second half-frame 232. The first half-frame 231 and the second half-frame 232 are combined into a complete hollow pipe, and the first half-frame 231 and the second half-frame 232 are fixed by screws. Connection rings 233 are fixed to the top and bottom of the first half-frame 231 and the bottom of the upper pipe 22 and the top of the lower pipe 21. A fixing bolt 234 is threadedly inserted between adjacent connection rings 233. The splicing pipe 23 is composed of the first half-frame 231 and the second half-frame 232, and thus can be spliced together during installation, avoiding the inability to install due to the existence of the towing rope 43. The upper and lower ends of the splicing pipe 23 are fixedly installed with the upper pipe 22 and the lower pipe 21 through the connection rings 233 and the fixing bolts 234, which is convenient for disassembly and also convenient for selecting the installation quantity of the splicing pipe 23 according to the height of the smoke detector. The top of the upper pipe 22 contacts the ceiling, and the base 1 contacts the ground. In this technology, the upper pipe 22, the lower pipe 21, and the splicing pipe 23 can all be made of transparent plastic material to facilitate observing the specific height of the moving plate 32.

[0027] In this embodiment, the driving assembly 4 further includes a winding base 41. Winding bases 41 are fixed to the outer walls of the top of the upper pipe 22 and the bottom of the lower pipe 21, and the two ends of the towing rope 43 are respectively wound on the winding shafts of the two winding bases 41. Motors 42 are fixed to the positions of the upper pipe 22 and the lower pipe 21 corresponding to the winding bases 41, and the motors 42 are fixedly connected to the winding shafts of the winding bases 41. When it is necessary to adjust the moving plate 32 upward, the motor 42 of the upper winding base 41 drives the winding shaft to wind the towing rope 43, and the motor 42 of the lower winding base 41 drives the winding shaft to unwind the towing rope 43, so that the moving plate 32 moves along the inside of the pipe assembly 2 together with the towing rope 43, and the sensitivity of the smoke detector body 5 is tested by emitting smoke at different heights. When it is necessary to move downward, the two motors 42 are respectively adjusted to drive in opposite directions.

[0028] In this embodiment, the air supply component 3 further includes a fan 36, which is fixed on the outer wall of the bottom side of the lower pipe 21. One end of the fan 36 is connected to an outer end bellows 31. A filter is provided at the connection end of the fan 36 and the outer end bellows 31. The other end of the outer end bellows 31 penetrates into the inside of the wrapping frame 24. The other end of the fan 36 is connected to an inner bellows 35, and the inner bellows 35 is located inside the pipe assembly 2 and connected to the smoke generator 33. The filter at the connection of the air and the outer end bellows 31 can be a common smoke purification device, such as a device based on the principle of activated carbon adsorption, which purifies the generated flue gas and then sends it back into the smoke generator 33 to provide necessary air for the use of the smoke generator 33. When the moving plate 32 moves up and down along with the towing rope 43, the inner bellows 35 extends or contracts synchronously to maintain the connection with the fan 36. When different numbers of splicing pipes 23 are installed, the length of the outer end bellows 31 can be adjusted to maintain the connection between the other end of the fan 36 and the upper pipe 22, so as to realize the gas circulation. In this process, a pipeline can be additionally provided to connect with the smoke generator 33 to avoid the insufficient gas of the smoke reflux for remaking the smoke.

[0029] When using the device, the upper and lower ends of the splicing pipe 23 are fixedly installed on the upper pipe 22 and the lower pipe 21 through the connection ring 233 and the fixing bolt 234. The top of the upper pipe 22 is wrapped around the periphery of the smoke detector body 5 through the wrapping frame 24. The lower pipe 21 is fixed on the base 1. When it is necessary to adjust the moving plate 32 upward, the motor 42 of the upper winding seat 41 drives the winding shaft to wind the towing rope 43, and the motor 42 of the lower winding seat 41 drives the winding shaft to unwind the towing rope 43. Thus, the moving plate 32 moves along the inside of the pipe assembly 2 together with the towing rope 43 to adjust the sensitivity of the smoke detector body 5 by emitting smoke at different heights, emit smoke from different heights to detect the sensitivity of the smoke detector body 5. The generated flue gas is purified and then sent back into the smoke generator 33 to provide necessary air for the use of the smoke generator 33. When the moving plate 32 moves up and down along with the towing rope 43, the inner bellows 35 extends or contracts synchronously to maintain the connection with the fan 36. When different numbers of splicing pipes 23 are installed, the length of the outer end bellows 31 can be adjusted to maintain the connection between the other end of the fan 36 and the upper pipe 22.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0031] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative manner of the specification is merely for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A smoke detector sensitivity detection device, comprising a base (1), characterized in that: A pipe assembly (2) is installed on the top of the base (1), the pipe assembly (2) comprising a lower pipe (21), the top of the lower pipe (21) being fixed to the base (1), and the top of the lower pipe (21) being connected to a splicing pipe (23), the top of the splicing pipe (23) being installed with an upper pipe (22), the top of the upper pipe (22) being installed with a smoke detector body (5), an air supply assembly (3) being provided inside the pipe assembly (2), the air supply assembly (3) comprising a movable plate (32), the movable plate (32) being a circular plate, and the movable plate (32) being movable The movable plate (32) moves along the interior of the pipe assembly (2); a smoke generator (33) is fixedly mounted on the bottom of the movable plate (32); and an air outlet (34) is fixedly mounted on the top of the movable plate (32); the air outlet (34) is communicated with the smoke generator (33); a driving assembly (4) is provided on the outside of the pipe assembly (2); the driving assembly (4) comprises a traction rope (43); the traction rope (43) is fixedly passed through the movable plate (32); and the top and bottom of the traction rope (43) are passed through the upper tube (22) and the lower tube (21) respectively.

2. A smoke detector sensitivity detection device according to claim 1, characterized in that: The pipe assembly (2) further comprises a wrapping frame (24), the bottom of the wrapping frame (24) being fixedly connected to the top of the upper tube (22), and a rubber strip (241) being fixed to the top edge of the wrapping frame (24), the rubber strip (241) being in compression contact with the wall surface outside the smoke detector body (5).

3. A smoke detector sensitivity detection device according to claim 2, characterized in that: The spliced ​​tube (23) comprises a first half frame (231) and a second half frame (232), wherein the first half frame (231) and the second half frame (232) are combined into a complete hollow tube, and the first half frame (231) and the second half frame (232) are fixed by screws.

4. A smoke detector sensitivity detection device according to claim 3, characterized in that: The top and bottom of the first half frame (231), the bottom of the upper tube (22), and the top of the lower tube (21) are all fixed with connecting rings (233), and fixing bolts (234) are threadedly inserted between adjacent connecting rings (233).

5. The smoke detector sensitivity detection device according to claim 1, characterized in that: The air supply assembly (3) further comprises a fan (36), the fan (36) being fixed on the outer wall of the bottom side of the lower tube (21), one end of the fan (36) being connected to the outer end bellows (31), a filter being provided at the connection end between the fan (36) and the outer end bellows (31), and the other end of the outer end bellows (31) being inserted into the interior of the wrapping frame (24).

6. A smoke detector sensitivity detection device according to claim 5, characterized in that: The other end of the fan (36) is connected to an inner bellows (35), and the inner bellows (35) is located inside the pipeline assembly (2) and connected to the smoke generator (33).

7. The smoke detector sensitivity detection device according to claim 1, characterized in that: The driving assembly (4) further comprises a winding seat (41), the winding seat (41) being fixed on the top outer wall of the upper tube (22) and the bottom outer wall of the lower tube (21), and the two ends of the traction rope (43) are respectively on the winding shafts of the two winding seats (41).

8. A smoke detector sensitivity detection device according to claim 7, characterized in that: Motors (42) are fixed at positions of the upper tube (22) and the lower tube (21) corresponding to the winding seat (41), and the motor (42) is fixedly connected to a winding shaft of the winding seat (41).

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