Property fire safety alarm device

Abstract

The utility model relates to the technical field of fire safety, and provides a property fire safety alarm device which comprises a main machine shell, a bidirectional motor is arranged in the main machine shell, the bottom output end of the bidirectional motor is fixedly connected with a first rotating shaft, and the outer surface of the first rotating shaft is fixedly connected with a plurality of first fan blades. The top output end of the bidirectional motor is fixedly connected with a driving bevel gear, the top of the driving bevel gear is fixedly connected with a power rod, the outer surface of the power rod is rotationally connected to the top of the main machine shell, the top of the power rod is fixedly connected with a flange plate, and the top of the inner surface of the main machine shell is fixedly connected with two shaft plates. The device is provided with a rotary smoke suction structure, smoke contained in air can be sucked into the device during rotation, the monitoring range of the device is large, the device is suitable for being used in a large-area factory area, the device can move the smoke in a directional mode, the smoke moves regularly, and an alarm can be given in time.

Description

Technical Field

[0001] The utility model relates to the technical field of fire safety, in particular to a property fire safety alarm device. Background Art

[0002] A fire in a high-rise building is very dangerous. If you don't know about it in time, it may cause life-threatening danger. If you can't evacuate in time, it may threaten your life. However, the property fire safety alarm device in the existing technology cannot meet the current needs. The smoke sensor alarm achieves fire prevention by monitoring the concentration of smoke. It uses ion type inside. Ion type smoke sensor is a kind of advanced technology, stable and reliable in operation, and is widely used in various industries.

[0003] However, in the prior art, for example, China Publication No.: CN217157431U, "A Property Fire Safety Alarm Device", the utility model discloses a property fire safety alarm device, including a device host, an open flame sensor, a smoke sensor and an owner end, the device host and the open flame sensor, the smoke sensor and the owner end are all wirelessly connected; the device host is provided with a battery and a control chip, wherein the battery and the control chip are electrically connected, the front of the device host is provided with an inclined touch operation screen, the top of the device host is provided with a microphone and an alarm, the back side of the device host is provided with a wireless transceiver, and one side of the device host is provided with a control switch, a speaker and a charging port. The utility model can allow the owner to know the fire situation at the first time and take refuge in time, which greatly improves the safety factor and protects the safety of the owners.

[0004] However, this device does not have a rotating smoke inhalation structure, and cannot inhale the smoke contained in the air into the device during rotation, resulting in a small monitoring range of the device, which is not suitable for use in large-scale factory areas. The device cannot move the smoke in a direction, resulting in irregular smoke movement and failure to provide timely alarms. The device does not have a dust or cobweb removal structure, and the air intake part of the device is easily clogged by dust and cobwebs after long-term use, resulting in failure of the device's alarm effect, which is not conducive to the long-term use of the device. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art that the device is not provided with a rotating smoke inhalation structure, and the smoke contained in the air cannot be inhaled into the device when rotating, resulting in a small monitoring range of the device, which is not suitable for use in large-scale factory areas, and the device cannot move the smoke in a direction, resulting in irregular smoke movement and failure to alarm in time, and the device is not provided with a dust and cobweb removal structure. The air intake part of the device is easily blocked by dust and cobwebs when used for a long time, resulting in failure of the device alarm effect, which is not conducive to the long-term use of the device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a property fire safety alarm device, including a main casing, a bidirectional motor is arranged inside the main casing, the bottom output end of the bidirectional motor is fixedly connected to the first rotating shaft, the outer surface of the first rotating shaft is fixedly connected to a plurality of first fan blades, the top output end of the bidirectional motor is fixedly connected to the active bevel gear, the top of the active bevel gear is fixedly connected to the power rod, the outer surface of the power rod is rotatably connected to the top of the main casing, the top of the power rod is fixedly connected to the flange plate, the top of the inner surface of the main casing is fixedly connected to two shaft plates, the insides of the two shaft plates are rotatably connected to a transmission rod, one end of the transmission rod is fixedly connected to a driven bevel gear, the outer surface of the driven bevel gear is meshingly connected to the outer surface of the active bevel gear, wherein the rotation of the active bevel gear will also drive the driven bevel gear to rotate under the meshing action, and allow the transmission rod to rotate inside the two shaft plates.

[0007] As a preferred embodiment, the transmission rod is fixedly connected to a second rotating shaft at one end away from the driven bevel gear, and a plurality of second fan blades are fixedly connected to the outer surface of the second rotating shaft. The second rotating shaft and the second fan blades rotating with the transmission rod will generate lateral wind force and direct air into the interior of the device through the ventilation grooves when the main casing rotates.

[0008] As a preferred embodiment, the outer surface of the bidirectional motor is fixedly sleeved with a fixing sleeve, the outer surface of the fixing sleeve is fixedly connected to two fixing rods, one end of the two fixing rods away from the fixing sleeve is fixedly connected to the inner surface of the main housing, and the bidirectional motor is fixed inside the main housing through the fixing sleeve and the fixing rods.

[0009] As a preferred embodiment, a plurality of ventilation slots are provided on one side of the main casing, and an air outlet is connected to the side of the main casing away from the ventilation slots. The rotating second shaft and the second fan blades will generate lateral wind force, and then the smoke entering the device will flow out from the air outlet on the other side of the main casing.

[0010] As a preferred embodiment, a smoke alarm is provided inside the air outlet, and a connecting sleeve is fixedly sleeved on the outer surface of the smoke alarm. When smoke flows through the smoke alarm, tiny particles in the smoke will scatter light, and a part of the scattered light will enter the photosensitive element of the smoke alarm. The scattered light received by the photosensitive element will cause the resistance or current of the photosensitive element to change. When the resistance or current of the photosensitive element exceeds a set threshold, the smoke alarm will trigger an alarm and make a sound.

[0011] As a preferred embodiment, a plurality of connecting rods are fixedly connected to the outer surface of the connecting sleeve, and one end of the plurality of connecting rods away from the connecting sleeve is fixed to the inner surface of the air outlet, and the smoke alarm is fixed inside the air outlet through the connecting sleeve and the connecting rods.

[0012] As a preferred embodiment, a plurality of protective rods are fixedly connected to the bottom of the flange plate, and a protective plate is fixedly connected to the bottom of the plurality of protective rods. The protective plate can prevent the high temperature generated by the flame from directly acting on and influencing the device body.

[0013] As a preferred embodiment, two scraping rods are fixedly connected to the top of the protective plate, and one side of the two scraping rods is arranged on the inner surface of the main housing. When the main housing rotates relative to the power rod, the scraping rods will scrape off the dust inside the main housing.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. The utility model is provided with a rotating smoke suction structure, which can suck the smoke contained in the air into the device when rotating, so that the monitoring range of the device is large and suitable for use in large-scale factory areas. The device can move the smoke in a directional manner, making the smoke movement regular and able to give an alarm in time.

[0016] 2. The utility model is provided with a dust and cobweb clearing structure to prevent the air intake part of the device from being easily blocked by dust and cobwebs during long-term use, which is beneficial to the long-term use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural diagram of a property fire safety alarm device provided by the utility model;

[0018] Figure 2 A schematic diagram of the side structure of a property fire safety alarm device provided by the utility model;

[0019] Figure 3 A schematic cross-sectional structure diagram of a property fire safety alarm device provided by the utility model;

[0020] Figure 4 A schematic cross-sectional structure diagram of a property fire safety alarm device provided by the utility model;

[0021] Figure 5 A property fire safety alarm device provided by the utility model Figure 2 Schematic diagram of the enlarged structure of A.

[0022] Legend:

[0023] 1. Main housing; 2. Bidirectional motor; 3. First rotating shaft; 4. First fan blade; 5. Active bevel gear; 6. Power rod; 7. Flange plate; 8. Shaft plate; 9. Transmission rod; 10. Driven bevel gear; 11. Second rotating shaft; 12. Second fan blade; 13. Fixed sleeve; 14. Fixed rod; 15. Ventilation slot; 16. Air outlet; 17. Smoke alarm; 18. Connecting sleeve; 19. Connecting rod; 20. Protective rod; 21. Protective plate; 22. Scraper rod. 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 1-5 The utility model provides a technical solution: a property fire safety alarm device, including a main casing 1, a bidirectional motor 2 is arranged inside the main casing 1, the bottom output end of the bidirectional motor 2 is fixedly connected with a first rotating shaft 3, and the outer surface of the first rotating shaft 3 is fixedly connected with a plurality of first blades 4, the top output end of the bidirectional motor 2 is fixedly connected with an active bevel gear 5, and the top of the active bevel gear 5 is fixedly connected with a power rod 6, the outer surface of the power rod 6 is rotatably connected to the top of the main casing 1, and the top of the power rod 6 is fixedly connected with a flange plate 7, the top of the inner surface of the main casing 1 is fixedly connected with two shaft plates 8, the internal rotation of the two shaft plates 8 is connected with a transmission rod 9, one end of the transmission rod 9 is fixedly connected with a driven bevel gear 10, and the outer surface of the driven bevel gear 10 is meshedly connected to the outer surface of the active bevel gear 5, and the bidirectional motor 2 will drive the output shafts at both ends to rotate after being energized, and when the first rotating shaft 3 drives the first fan blade 4 to rotate, wind force will be generated and air flow will be driven to suck the air at the bottom of the device into the device with smoke.

[0026] like Figure 1-5 As shown, one end of the transmission rod 9 away from the driven bevel gear 10 is fixedly connected to the second rotating shaft 11, and the outer surface of the second rotating shaft 11 is fixedly connected to a plurality of second fan blades 12. The second rotating shaft 11 and the second fan blades 12 rotating with the transmission rod 9 will generate lateral wind force, and when the main housing 1 rotates, the air will flow into the interior of the device through the ventilation slots 15.

[0027] like Figure 1-5As shown, the outer surface of the bidirectional motor 2 is fixedly sleeved with a fixing sleeve 13, and the outer surface of the fixing sleeve 13 is fixedly connected to two fixing rods 14, and one end of the two fixing rods 14 away from the fixing sleeve 13 is fixedly connected to the inner surface of the main housing 1, and the bidirectional motor 2 is fixed inside the main housing 1 through the fixing sleeve 13 and the fixing rods 14.

[0028] like Figure 1-5 As shown, a plurality of ventilation slots 15 are provided on one side of the main casing 1, and an air outlet 16 is connected to the side of the main casing 1 away from the ventilation slots 15. The rotating second shaft 11 and the second fan blades 12 will generate lateral wind force, and then the smoke entering the inside of the device will flow out from the air outlet 16 on the other side of the main casing 1.

[0029] like Figure 1-5 As shown, a smoke alarm 17 is arranged inside the air outlet 16, and a connecting sleeve 18 is fixedly sleeved on the outer surface of the smoke alarm 17. When smoke flows through the smoke alarm 17, tiny particles in the smoke will scatter light, and a part of the scattered light will enter the photosensitive element of the smoke alarm 17. The scattered light received by the photosensitive element will cause the resistance or current of the photosensitive element to change. When the resistance or current of the photosensitive element exceeds a set threshold, the smoke alarm 17 will trigger an alarm and make a sound.

[0030] like Figure 1-5 As shown, the outer surface of the connecting sleeve 18 is fixedly connected with a plurality of connecting rods 19, and one end of the plurality of connecting rods 19 away from the connecting sleeve 18 is fixed to the inner surface of the air outlet 16, through which the smoke alarm 17 passes, and the connecting sleeve 18 and the connecting rods 19 are fixed inside the air outlet 16.

[0031] like Figure 1-5 As shown, a plurality of protection rods 20 are fixedly connected to the bottom of the flange plate 7, and a protection plate 21 is fixedly connected to the bottom of the plurality of protection rods 20. The protection plate 21 can prevent the high temperature generated by the flame from directly acting on and affecting the device body.

[0032] like Figure 1-5 As shown, two scraping rods 22 are fixedly connected to the top of the protective plate 21. One side of the two scraping rods 22 is set on the inner surface of the main housing 1. When the main housing 1 rotates relative to the power rod 6, the scraping rods 22 will scrape off the dust inside the main housing 1.

[0033] Working principle: first, use the flange plate 7 to fix the device on the top of the target area, and then start the external power supply of the bidirectional motor 2. The bidirectional motor 2 is connected to the external power supply through wires. The model of the bidirectional motor 2 is: YY-30, rated power: 250W. The bidirectional motor 2 is fixed to the inside of the main housing 1 through the fixing sleeve 13 and the fixing rod 14. After the bidirectional motor 2 is energized, it will drive the output shafts at both ends to rotate. When the first rotating shaft 3 drives the first fan blade 4 to rotate, wind force will be generated and air flow will be driven, and the air at the bottom of the device will be sucked into the device with smoke. When the output end above the bidirectional motor 2 drives the active bevel gear 5 and the power rod 6 to rotate, because the flange plate 7 is fixed to the top of the ceiling, the main housing 1 will rotate relative to the power rod 6, and the rotation of the active bevel gear 5 will also drive the driven bevel gear 10 to rotate under the meshing action, and let the transmission rod 9 rotate inside the two shaft plates 8, and the second rotating shaft 11 that rotates with the transmission rod 9 The second fan blade 12 will generate lateral wind force, and when the main casing 1 rotates, the air will flow into the device through the ventilation slot 15, and then the smoke entering the device will flow out from the air outlet 16 on the other side of the main casing 1. When flowing through the smoke alarm 17, the tiny particles in the smoke will scatter light, and a part of the scattered light will enter the photosensitive element of the smoke alarm 17. The scattered light received by the photosensitive element will cause the resistance or current of the photosensitive element to change. When the resistance or current of the photosensitive element exceeds the set threshold, the smoke alarm 17 will trigger an alarm and make a sound to remind people that smoke is generated. The smoke alarm 17 is fixed inside the air outlet 16 through a connecting sleeve 18 and a connecting rod 19. The protective plate 21 connected to the bottom of the main casing 1 through a protective rod 20 can prevent the high temperature generated by the flame from directly acting on and affecting the device body. When the main casing 1 rotates relative to the power rod 6, the scraper rod 22 will scrape off the dust inside the main casing 1.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A property fire safety alarm device, characterized in that: The invention comprises a main housing (1), wherein a bidirectional motor (2) is arranged inside the main housing (1), the bottom output end of the bidirectional motor (2) is fixedly connected to a first rotating shaft (3), the outer surface of the first rotating shaft (3) is fixedly connected to a plurality of first fan blades (4), the top output end of the bidirectional motor (2) is fixedly connected to a driving bevel gear (5), the top of the driving bevel gear (5) is fixedly connected to a power rod (6), the outer surface of the power rod (6) is rotatably connected to the top of the main housing (1), the top of the power rod (6) is fixedly connected to a flange plate (7), the top of the inner surface of the main housing (1) is fixedly connected to two shaft plates (8), the insides of the two shaft plates (8) are rotatably connected to a transmission rod (9), one end of the transmission rod (9) is fixedly connected to a driven bevel gear (10), and the outer surface of the driven bevel gear (10) is meshingly connected to the outer surface of the driving bevel gear (5).

2. A property fire safety alarm device according to claim 1, characterized in that: One end of the transmission rod (9) away from the driven bevel gear (10) is fixedly connected to a second rotating shaft (11), and a plurality of second fan blades (12) are fixedly connected to the outer surface of the second rotating shaft (11).

3. A property fire safety alarm device according to claim 1, characterized in that: The outer surface of the bidirectional motor (2) is fixedly sleeved with a fixing sleeve (13), the outer surface of the fixing sleeve (13) is fixedly connected to two fixing rods (14), and one end of the two fixing rods (14) away from the fixing sleeve (13) is fixedly connected to the inner surface of the main housing (1).

4. A property fire safety alarm device according to claim 1, characterized in that: A plurality of ventilation slots (15) are provided on one side of the main housing (1), and an air outlet (16) is connected to a side of the main housing (1) away from the ventilation slots (15).

5. A property fire safety alarm device according to claim 4, characterized in that: A smoke alarm (17) is arranged inside the air outlet (16), and a connecting sleeve (18) is fixedly sleeved on the outer surface of the smoke alarm (17).

6. A property fire safety alarm device according to claim 5, characterized in that: The outer surface of the connecting sleeve (18) is fixedly connected to a plurality of connecting rods (19), and one end of the plurality of connecting rods (19) away from the connecting sleeve (18) is fixed to the inner surface of the air outlet (16).

7. A property fire safety alarm device according to claim 1, characterized in that: A plurality of protection rods (20) are fixedly connected to the bottom of the flange plate (7), and a protection plate (21) is fixedly connected to the bottom of the plurality of protection rods (20).

8. A property fire safety alarm device according to claim 7, characterized in that: Two scraping rods (22) are fixedly connected to the top of the protection plate (21), and one side of the two scraping rods (22) is arranged on the inner surface of the main housing (1).

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