Inspection smoke box of smoke fire detector

Abstract

The utility model discloses an inspection smoke box for a smoke fire detector. The inspection smoke box comprises an inspection smoke box, a flow collecting box, an adjusting and mounting mechanism and a brushing mechanism, a storage battery is fixedly connected to the right side of the inner wall of the lower end of the inspection smoke box, the input end of the storage battery is electrically connected with an external power source, a supporting plate is fixedly connected to the rear side of the inner wall of the left end of the inspection smoke box, a flow collecting box is fixedly connected between the inner walls of the front end and the rear end of the inspection smoke box, and an air inlet filter screen is fixedly connected to the front end of the flow collecting box. According to the detection smoke box for the smoke-sensitive fire detector, reasonable detection operation on the smoke-sensitive fire detector is achieved, the positions of the sliding seats and the mounting blocks are adjusted in a sliding mode, different mounting hole position intervals are quickly mounted, and the detection smoke box is convenient to use and high in practicability. The brush on the worm gear is driven by the worm to brush dust generated on the outer surface of the smoke fire detector, and the application range is wide in the inspection process of the smoke fire detector.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke fire detector inspection, in particular to a smoke fire detector inspection smoke box. Background Art

[0002] At present, with the rapid and steady development of my country's social economy, fire has received more and more attention, and the society has also put forward more and higher requirements for fire warning and inspection. As the mainstream product among automatic fire detection products, smoke detectors will continue to maintain their dominant position in future applications.

[0003] In some existing technologies, personnel fix smoke detectors to installation holes at a certain distance. The smoke detectors detect the combustion gas generated by the fire indoors. When the smoke detectors detect the combustion gas, they warn through sound and light alarms.

[0004] Some existing technologies cannot adapt to the installation conditions well when installed through installation holes at a certain distance. The dust generated on the outer surface of the smoke fire detector after a certain period of use cannot be cleaned regularly, which affects the inspection effect of the smoke fire detector. For this reason, we propose a smoke box for smoke fire detector inspection. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a smoke detector inspection smoke box. The worm drives the brush on the worm wheel to rotate to clean the dust generated on the outer surface of the smoke detector, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke detector inspection smoke box, including an inspection smoke box, a collecting box, an adjustment and installation mechanism and a cleaning mechanism;

[0007] Inspection smoke box: a battery is fixedly connected to the right side of the inner wall at the lower end, the input end of the battery is electrically connected to an external power supply, a support plate is fixedly connected to the rear side of the inner wall at the left end of the inspection smoke box, a collecting box is fixedly connected between the inner walls at the front and rear ends of the inspection smoke box, an air inlet filter is fixedly connected to the front end of the collecting box, a fixing seat is fixedly connected to the inner wall at the right end of the collecting box, an electric push rod is fixedly connected to the left end of the fixing seat, a smoke fire detector is fixedly connected to the left side of the telescopic end of the electric push rod, and an avoidance opening is opened at the left end of the collecting box, and the avoidance opening and the smoke fire detector are located on the same central axis;

[0008] Adjustment and installation mechanism: it is fixedly connected to the right end of the inspection smoke box;

[0009] Cleaning and brushing mechanism: It is fixedly connected to the rear end of the support plate, and the front side of the cleaning and brushing mechanism is fixedly connected to the middle part of the inner wall of the left end of the inspection smoke box;

[0010] Among them: it also includes a single-chip microcomputer, which is arranged on the left side of the front end of the inspection smoke box, the input end of the single-chip microcomputer is electrically connected to the output end of the battery, and the smoke fire detector is bidirectionally electrically connected to the single-chip microcomputer, so as to realize reasonable inspection operation of the smoke fire detector, and the position of the sliding seat and the mounting block can be adjusted by sliding to quickly install different installation hole spacings, and the dust generated on the outer surface of the smoke fire detector is cleaned by the worm driving the brush on the worm wheel to rotate, so it has a wide range of applications in the inspection process of the smoke fire detector.

[0011] Furthermore, the adjustment and installation mechanism includes a guide seat, a sliding seat and a mounting block. The guide seat is symmetrically fixedly connected to the right end of the inspection smoke box in the upper and lower directions. Two sliding seats are slidably connected between the two guide seats. Two mounting blocks are slidably connected inside the right side of the sliding seat. By sliding and adjusting the position of the sliding seat and the mounting block, different installation hole spacings can be installed more quickly.

[0012] Furthermore, the brush cleaning mechanism includes a brush cleaning motor and a worm gear. The brush cleaning motor is fixedly connected to the rear end of the support plate, the front end of the brush cleaning motor output shaft is fixedly connected to the worm gear, and the input end of the brush cleaning motor is electrically connected to the output end of the single-chip microcomputer to provide power support for the rotation of the worm gear.

[0013] Furthermore, the cleaning mechanism includes a pin shaft, a worm gear and a brush. The pin shaft is fixedly connected to the middle of the inner wall of the left end of the inspection smoke box. The right side of the pin shaft is rotatably connected to a worm gear, which is meshed with a worm. The right end of the worm gear is fixedly connected to a brush. The worm gear drives the brush to rotate in a circle around the center of the worm gear under the rotation of the pin shaft.

[0014] Furthermore, it also includes a data transmitter, which is fixedly connected to the left side of the inner wall at the lower end of the inspection smoke box, and the input end of the data transmitter is electrically connected to the output end of the single-chip microcomputer, so that the smoke alarm signal is sent to the external fire detection control room as soon as possible.

[0015] Furthermore, it also includes an axial flow fan, which is fixedly connected to the rear end of the inspection smoke box, and the rear end of the axial flow fan is fixedly connected to an air outlet filter. The input end of the axial flow fan is electrically connected to the output end of the single-chip microcomputer, so as to better guide and accelerate the external air and thus conduct real-time inspection of the external air.

[0016] Furthermore, it also includes an audible and visual alarm, which is arranged on the front side of the left end of the inspection smoke box, and is bidirectionally electrically connected to the single-chip microcomputer, and the audible and visual alarm generates an audible and visual alarm to warn people of the occurrence of fire.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] First, the smoke box installer manually adjusts the position of the sliding seat and the mounting block to correspond to the mounting hole, fixes the sliding seat and the mounting block by tightening the bolts, and then installs the mounting block into the corresponding mounting hole by bolts. The smoke box installer controls the start of the smoke fire detector through the single-chip microcomputer, and then controls the start of the axial flow fan through the single-chip microcomputer. After the axial flow fan is started, negative pressure is generated on the front side of the collecting box, and the external air is drawn through the air inlet filter to the inside of the collecting box. After the external air is inspected by the smoke fire detector, it passes through the outlet The smoke detector will detect the combustion gas and then transmit the information to the single chip microcomputer for integration. The single chip microcomputer will send the smoke alarm signal to the external fire detection control room through the data transmitter as soon as possible under the support of the wireless network, and then send the smoke alarm signal to the single chip microcomputer. The single chip microcomputer will control the sound and light alarm to start, and the sound and light alarm will sound a sound and light alarm. Finally, when the smoke box installer has handled the fire, the smoke detector will be reset through the single chip microcomputer to stop the sound and light alarm. After a certain period of time, the single chip microcomputer controls the electric push rod to start, and the electric push rod extends. The telescopic end moves the smoke fire detector to the left through the avoidance opening and pushes it to the cleaning position on the right side of the worm gear. Then the single chip microcomputer controls the cleaning motor to start, and the cleaning motor drives the worm to rotate, so that the worm drives the worm gear to rotate on the pin shaft. The rotation of the worm gear drives the brush to rotate in a circle around the center of the worm gear, thereby cleaning the left side and side wall of the smoke fire detector. After a certain period of cleaning, the single chip microcomputer controls the cleaning motor to pause, and the cleaning motor drives the worm to stop rotating, so that the worm drives the worm gear to stop rotating on the pin shaft. Thereby, the brush stops its circular rotation, and then the single chip microcomputer controls the electric push rod to start, which retracts. The telescopic end moves the smoke fire detector to the right and passes through the avoidance opening for reset. When the external power supply fails, the battery provides short-term power support for the internal electrical appliances, thereby realizing reasonable inspection of the smoke fire detector. By sliding to adjust the position of the sliding seat and the mounting block, different mounting hole spacings can be installed more quickly. The worm drives the brush on the worm gear to rotate to clean the dust generated on the outer surface of the smoke fire detector. It has a wide range of applications in the inspection process of smoke fire detectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the adjustment and installation mechanism of the utility model;

[0021] Figure 3It is a schematic diagram of the cross-sectional structure of the front end of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure enlarged at point A of the utility model.

[0023] In the figure: 1 inspection smoke box, 2 adjustment installation mechanism, 21 guide seat, 22 sliding seat, 23 mounting block, 3 brush cleaning mechanism, 31 brush cleaning motor, 32 worm, 33 pin shaft, 34 worm gear, 35 brush, 4 axial flow fan, 5 air outlet filter, 6 support plate, 7 fixing seat, 8 electric push rod, 9 smoke fire detector, 10 collecting box, 11 air inlet filter, 12 sound and light alarm, 13 single chip microcomputer, 14 data transmitter, 15 battery. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 , this embodiment provides a technical solution: a smoke detector inspection smoke box, including an inspection smoke box 1, a collecting box 10, an adjustment and installation mechanism 2 and a cleaning mechanism 3;

[0026] Inspection smoke box 1: A battery 15 is fixedly connected to the right side of the inner wall at the lower end thereof, and the input end of the battery 15 is electrically connected to an external power supply. A support plate 6 is fixedly connected to the rear side of the inner wall at the left end of the inspection smoke box 1. A collecting box 10 is fixedly connected between the inner walls at the front and rear ends of the inspection smoke box 1. An air inlet filter 11 is fixedly connected to the front end of the collecting box 10. A fixing seat 7 is fixedly connected to the inner wall at the right end of the collecting box 10. An electric push rod 8 is fixedly connected to the left end of the fixing seat 7. A smoke fire detector 9 is fixedly connected to the left side of the telescopic end of the electric push rod 8. A avoidance opening is provided at the left end of the collecting box 10. The avoidance opening and the smoke fire detector 9 are located on the same central axis. The smoke fire detector 9 is bidirectionally electrically connected to the single-chip microcomputer 13. A data transmitter 14 is also included. The data transmitter 14 is fixedly connected to the left side of the inner wall at the lower end of the inspection smoke box 1. The input end of the data transmitter 14 is electrically connected to the output end of the single-chip microcomputer 13. An axial flow fan 4 is also included. The axial flow fan 4 is fixedly connected to the rear end of the inspection smoke box 1. The rear end of the axial flow fan 4 is fixedly connected with an air outlet filter 5, the input end of the axial flow fan 4 is electrically connected to the output end of the single chip 13, and also includes an audible and visual alarm 12, which is arranged on the front side of the left end of the inspection smoke box 1, and the audible and visual alarm 12 is bidirectionally electrically connected to the single chip 13. When cleaning is required, the single chip 13 controls the electric push rod 8 to start, the electric push rod 8 is extended, and the telescopic end moves the smoke fire detector 9 to the left through the avoidance opening to advance to the cleaning position on the right side of the worm gear 34. After the cleaning is completed, the single chip 13 controls the electric push rod 8 to start, the electric push rod 8 is retracted, and the telescopic end moves the smoke fire detector 9 to the right through the avoidance opening to reset, and the smoke fire detector 9 is moved to the cleaning position and reset by the extension of the electric push rod 8. The smoke fire detector 9 detects the combustion gas, and the smoke fire detector 9 presents the information to the single chip 13 for integration, and the single chip 13 sends it to the external fire detection control room through the data transmitter 14 as soon as possible;

[0027] Adjustment and installation mechanism 2: It is fixedly connected to the right end of the inspection smoke box 1. The adjustment and installation mechanism 2 includes a guide seat 21, a sliding seat 22 and a mounting block 23. The guide seat 21 is fixedly connected to the right end of the inspection smoke box 1 symmetrically up and down. Two sliding seats 22 are slidably connected between the two guide seats 21. Two mounting blocks 23 are slidably connected inside the right side of the sliding seat 22. The inspection smoke box installer manually adjusts the positions of the sliding seat 22 and the mounting block 23 to correspond to the mounting holes. The inspection smoke box installer fixes the sliding seat 22 and the mounting block 23 by tightening the bolts. The inspection smoke box installer then installs the mounting block 23 into the corresponding mounting hole by bolts. By sliding and adjusting the positions of the sliding seat 22 and the mounting block 23, different mounting hole spacings can be installed more quickly.

[0028] Brush cleaning mechanism 3: It is fixedly connected to the rear end of the support plate 6, and the front side of the brush cleaning mechanism 3 is fixedly connected to the middle part of the inner wall of the left end of the inspection smoke box 1. The brush cleaning mechanism 3 includes a brush cleaning motor 31 and a worm 32. The brush cleaning motor 31 is fixedly connected to the rear end of the support plate 6, and the front end of the output shaft of the brush cleaning motor 31 is fixedly connected to the worm 32. The input end of the brush cleaning motor 31 is electrically connected to the output end of the single-chip microcomputer 13. The brush cleaning mechanism 3 includes a pin shaft 33, a worm gear 34 and a brush 35. The pin shaft 33 is fixedly connected to the middle part of the inner wall of the left end of the inspection smoke box 1, and the right side of the pin shaft 33 is rotatably connected to the worm gear 34. The worm gear 34 is meshed with the worm 32, and the right end of the worm gear 34 is fixedly connected to the brush 35. When brushing is needed, the single The single chip computer 13 controls the cleaning brush motor 31 to start, and the cleaning brush motor 31 drives the worm 32 to rotate, so that the worm 32 drives the worm wheel 34 to rotate on the pin 33, and the rotation of the worm wheel 34 drives the brush 35 to rotate around the center of the worm wheel 34, thereby cleaning the left side and side wall of the smoke fire detector 9. After cleaning for a certain period of time, the single chip computer 13 controls the cleaning brush motor 31 to pause, and the cleaning brush motor 31 drives the worm 32 to stop rotating, so that the worm 32 drives the worm wheel 34 to stop rotating on the pin 33, so that the brush 35 stops rotating in a circle, and the dust generated on the outer surface of the smoke fire detector 9 is cleaned by the brush 35 on the worm wheel 34 driven by the worm 32;

[0029] The single chip microcomputer 13 is also included, and the single chip microcomputer 13 is arranged on the left side of the front end of the inspection smoke box 1. The input end of the single chip microcomputer 13 is electrically connected to the output end of the battery 15, and the single chip microcomputer 13 provides a short power support for the internal electrical appliances when the external power supply fails.

[0030] The working principle of a smoke detector inspection smoke box provided by the utility model is as follows: first, the inspection smoke box installer manually adjusts the position of the sliding seat 22 and the mounting block 23 to correspond to the mounting hole, and the inspection smoke box installer fixes the sliding seat 22 and the mounting block 23 by tightening the bolts, and then installs the mounting block 23 into the corresponding mounting hole by bolts, and the inspection smoke box installer controls the smoke fire detector 9 to start through the single-chip computer 13, and then controls the axial flow fan 4 to start through the single-chip computer 13. After the axial flow fan 4 is started, negative pressure is generated on the front side of the collecting box 10, and the external air is drawn in The air flows through the air inlet filter 11 to the interior of the collecting box 10. The external air is detected by the smoke fire detector 9 and then discharged through the air outlet filter 5. When a fire occurs outside and combustion gas is generated, the combustion gas is detected by the smoke fire detector 9. The smoke fire detector 9 presents the information to the single-chip microcomputer 13 for integration. The single-chip microcomputer 13 sends the smoke alarm signal to the external fire detection control room through the data transmitter 14 as soon as possible with the support of the wireless network, and then sends the smoke alarm signal to the single-chip microcomputer 13. The single-chip microcomputer 13 controls the sound and light alarm 12 to start, and the sound and light alarm 12 gives off a sound and light alarm. After the smoke box installation personnel have handled the fire, they will reset the smoke detector 9 through the single chip microcomputer 13, so that the sound and light alarm 12 stops sounding and emitting alarms. After a certain period of operation, the single chip microcomputer 13 controls the electric push rod 8 to start, and the electric push rod 8 extends. The telescopic end moves the smoke detector 9 to the left through the avoidance opening to the cleaning position on the right side of the worm gear 34. Then the single chip microcomputer 13 controls the cleaning motor 31 to start, and the cleaning motor 31 drives the worm 32 to rotate, so that the worm 32 drives the worm gear 34 to rotate on the pin 33, and the rotation of the worm gear 34 drives the brush 35 to rotate around the center of the worm gear 34. The brush 35 rotates in a circle, thereby cleaning the left side and side wall of the smoke fire detector 9. After cleaning for a certain period of time, the single-chip microcomputer 13 controls the brush cleaning motor 31 to pause, and the brush cleaning motor 31 drives the worm 32 to stop rotating, so that the worm 32 drives the worm wheel 34 to stop rotating on the pin shaft 33, so that the brush 35 stops rotating in a circle, and then the single-chip microcomputer 13 controls the electric push rod 8 to start, and the electric push rod 8 retracts, and the telescopic end moves the smoke fire detector 9 to the right through the avoidance opening for reset. When the external power supply is off, the battery 15 provides short-term power support for the internal electrical appliances, thereby realizing reasonable inspection operations on the smoke fire detector.

[0031] It is worth noting that the single chip microcomputer 13 disclosed in the above embodiments can adopt S7-200, the brush cleaning motor 31 can adopt 57ZWN24-30-M, the axial flow fan 4 can adopt DS-1752ABHL, the electric push rod 8 can adopt LA-T8-75, the smoke fire detector 9 can adopt JTY-GD-CA9001, the sound and light alarm 12 can adopt LTE-1101, and the data transmitter 14 can adopt WL-092. The single chip microcomputer 13 controls the brush cleaning motor 31, the axial flow fan 4, the electric push rod 8, the smoke fire detector 9, the sound and light alarm 12 and the data transmitter 14, all of which adopt the methods commonly used in the prior art.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A smoke detector inspection smoke box, characterized in that: It comprises a smoke inspection box (1), a collecting box (10), an adjustment and installation mechanism (2) and a cleaning mechanism (3); The inspection smoke box (1) has a storage battery (15) fixedly connected to the right side of the inner wall at the lower end thereof, the input end of the storage battery (15) being electrically connected to an external power source, a support plate (6) fixedly connected to the rear side of the inner wall at the left end of the inspection smoke box (1), a collecting box (10) fixedly connected between the inner walls at the front and rear ends of the inspection smoke box (1), an air inlet filter (11) fixedly connected to the front end of the collecting box (10), a fixing seat (7) fixedly connected to the inner wall at the right end of the collecting box (10), an electric push rod (8) fixedly connected to the left end of the fixing seat (7), a smoke fire detector (9) fixedly connected to the left side of the telescopic end of the electric push rod (8), and an avoidance opening provided at the left end of the collecting box (10), the avoidance opening and the smoke fire detector (9) being located on the same central axis; Adjustment and installation mechanism (2): fixedly connected to the right end of the inspection smoke box (1); A cleaning mechanism (3): the cleaning mechanism (3) is fixedly connected to the rear end of the support plate (6), and the front side of the cleaning mechanism (3) is fixedly connected to the middle part of the inner wall of the left end of the inspection smoke box (1); The invention also includes a single chip microcomputer (13), which is arranged on the left side of the front end of the inspection smoke box (1), the input end of the single chip microcomputer (13) is electrically connected to the output end of the storage battery (15), and the smoke fire detector (9) is bidirectionally electrically connected to the single chip microcomputer (13).

2. A smoke detector inspection smoke box according to claim 1, characterized in that: The adjustment and installation mechanism (2) comprises a guide seat (21), a sliding seat (22) and a mounting block (23); the guide seat (21) is fixedly connected to the right end of the inspection smoke box (1) symmetrically in the upper and lower directions; two sliding seats (22) are slidably connected between the two guide seats (21); and two mounting blocks (23) are slidably connected inside the right side of the sliding seat (22).

3. A smoke detector inspection smoke box according to claim 1, characterized in that: The brush cleaning mechanism (3) comprises a brush cleaning motor (31) and a worm (32); the brush cleaning motor (31) is fixedly connected to the rear end of the support plate (6); the front end of the output shaft of the brush cleaning motor (31) is fixedly connected to the worm (32); and the input end of the brush cleaning motor (31) is electrically connected to the output end of the single-chip computer (13).

4. A smoke detector inspection smoke box according to claim 3, characterized in that: The cleaning mechanism (3) comprises a pin shaft (33), a worm gear (34) and a brush (35); the pin shaft (33) is fixedly connected to the middle of the inner wall at the left end of the inspection smoke box (1); the right side of the pin shaft (33) is rotatably connected to the worm gear (34); the worm gear (34) is meshingly connected to the worm (32); and the right end of the worm gear (34) is fixedly connected to the brush (35).

5. The smoke detector inspection smoke box according to claim 1, characterized in that: It also includes a data transmitter (14), which is fixedly connected to the left side of the inner wall at the lower end of the inspection smoke box (1), and the input end of the data transmitter (14) is electrically connected to the output end of the single-chip computer (13).

6. A smoke detector inspection smoke box according to claim 1, characterized in that; It also includes an axial flow fan (4), which is fixedly connected to the rear end of the inspection smoke box (1), the rear end of the axial flow fan (4) is fixedly connected to an air outlet filter (5), and the input end of the axial flow fan (4) is electrically connected to the output end of the single-chip computer (13).

7. The smoke detector inspection smoke box according to claim 1, characterized in that: It also includes an audible and visual alarm (12), which is arranged on the front side of the left end of the inspection smoke box (1), and the audible and visual alarm (12) is bidirectionally electrically connected to the single-chip computer (13).

Images