CN216083888U - Automatic fire alarm system for smart city building - Google Patents
Automatic fire alarm system for smart city building Download PDFInfo
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- CN216083888U CN216083888U CN202122191573.5U CN202122191573U CN216083888U CN 216083888 U CN216083888 U CN 216083888U CN 202122191573 U CN202122191573 U CN 202122191573U CN 216083888 U CN216083888 U CN 216083888U
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Abstract
The utility model relates to the technical field of automatic fire alarm, in particular to an automatic fire alarm system for buildings in smart cities, wherein a rectangular shell is of a hollow structure, a horizontal reciprocating displacement mechanism is arranged in the rectangular shell, a sliding port is formed in the lower side of the rectangular shell, one end of the horizontal reciprocating displacement mechanism penetrates through the sliding port and extends outwards and is fixedly connected with a monitoring box, a smoke inlet is formed in the lower side of the monitoring box in a communicating mode, an air inlet electric fan is fixedly connected into the smoke inlet, two symmetrically arranged groove boxes are respectively communicated with two sides of the monitoring box, and air purification mechanisms are fixedly connected into the two groove boxes. According to the utility model, the air is guided by the air inlet fan, so that the air is prevented from being influenced by external wind power and deviating, the air can be purified by the air purification mechanism, the air quality is improved, the horizontal reciprocating displacement of the monitoring box is realized by the horizontal reciprocating displacement mechanism, the monitoring range is improved, and the alarm is more timely.
Description
Technical Field
The utility model relates to the technical field of automatic fire alarm, in particular to an automatic fire alarm system for buildings in smart cities.
Background
The automatic fire alarm system consists of fire detector, fire alarm controller and other auxiliary functional units, and can convert the physical amount of smoke, heat, flame, etc. produced by burning into electric signal and transmit the electric signal to the fire alarm controller while to inform the evacuation of the floor in sound or light mode.
The most common automatic fire alarm device is a smoke sensor, but the existing automatic fire alarm device is generally fixed on a ceiling and cannot adjust the position, so that the monitoring range is smaller, the influence of wind power is larger, the smoke monitoring is not timely, the reaction timeliness of automatic alarm is influenced, the function is single, and the practicability is not enough. Accordingly, those skilled in the art have provided automatic fire alarm systems for smart city buildings to solve the problems set forth in the background art as described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic fire alarm system for buildings in smart cities, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the automatic fire alarm system for the smart city building comprises a rectangular strip shell, wherein the rectangular strip shell is of a hollow structure, and a horizontal reciprocating displacement mechanism is arranged in the rectangular strip shell, a sliding opening is arranged at the lower side of the rectangular strip shell, one end of the horizontal reciprocating displacement mechanism penetrates through the sliding port to extend outwards and is fixedly connected with a monitoring box, the lower side of the monitoring box is communicated with a smoke inlet, an air inlet electric fan is fixedly connected in the smoke inlet, two symmetrically arranged groove boxes are respectively communicated with two sides of the monitoring box, and the two groove boxes are fixedly connected with an air purification mechanism, one side of each groove box far away from the monitoring box is provided with two air outlets, the inner wall of the upper end of the monitoring box is respectively and fixedly connected with a smoke sensor, a signal transmitter and a PLC controller, and one ends of the horizontal reciprocating displacement mechanism, the air inlet fan, the smoke sensor and the signal transmitter are respectively and electrically connected with the PLC.
As a still further scheme of the utility model: horizontal reciprocating displacement mechanism is including fixing the step motor at rectangle strip shell one end downside, the vertical pivot that sets up of step motor's drive end fixedly connected with, and the one end of pivot runs through and extends to rectangle strip shell and fixedly connected with worm, the upper end inner wall of rectangle strip shell is rotated through the one end of first bearing frame with the worm and is connected, the both ends inner wall of rectangle strip shell rotates the lead screw that is connected with horizontal setting through two secondary bearing frame, and fixedly connected with and the worm wheel that the worm meshing is connected on the lead screw, threaded connection has the thread piece on the lead screw, and the downside fixedly connected with carriage release lever of thread piece, the one end that the thread piece was kept away from to the carriage release lever runs through the sliding port and outwards extends and with monitoring case fixed connection.
As a still further scheme of the utility model: the outer side wall of the screw rod is fixedly connected with the inner wall of the through hole of the worm wheel in a welding mode.
As a still further scheme of the utility model: the air purification mechanism comprises a dust filtering net vertically fixed in the tank box, and one side of the dust filtering net far away from the smoke inlet is fixedly connected with an activated carbon filter screen.
As a still further scheme of the utility model: the front side of the monitoring box is detachably and fixedly connected with a door plate through a bolt.
As a still further scheme of the utility model: and an opening at one end of the smoke inlet, which is far away from the monitoring box, is fixedly connected with a steel wire blocking net.
As a still further scheme of the utility model: and a dust baffle plate which is obliquely arranged is fixedly connected to one side of the groove box above the exhaust port.
Compared with the prior art, the utility model has the beneficial effects that:
1. through setting up the air inlet electric fan, its work produces wind-force suction, inhales the monitoring box with the external air by the inlet flue, plays the guide effect to the air circulation, avoids the air to receive external wind-force influence and squint, improves the timeliness of monitoring and reporting to the police, when smoke transducer monitored the air and has contained smog, produces the warning, transmits monitoring data to the surveillance center by signal transmitter, in time reminds security personnel to react.
2. Through setting up air purification mechanism, the air filters dust and harmful substance in the air through the filtration adsorption of straining dirt net and active carbon filter screen, and the air after the purification is discharged by the gas vent department on the groove box, can play the effect of purification to the room air, improves the air quality.
3. Through setting up horizontal displacement mechanism that reciprocates, start step motor work, drive the pivot and rotate, and then drive the worm and rotate, drive the lead screw and rotate, because the axial of screw thread piece is rotated and is followed the carriage release lever and received the restriction of sliding port, consequently, the displacement is forced to the screw thread piece, and then through control step motor's positive and negative rotation work, realizes the horizontal displacement that reciprocates of monitoring case to improve the monitoring range of this device, make the warning more timely.
Drawings
FIG. 1 is a schematic perspective view of an automatic fire alarm system for a smart city building;
FIG. 2 is a schematic perspective view of a monitoring box in an automatic fire alarm system for a building in a smart city;
FIG. 3 is a schematic view of a front view cross section of a monitoring box in an automatic fire alarm system for a building in a smart city;
fig. 4 is a schematic view of a front view cross section of a rectangular strip shell used in an automatic fire alarm system for a building in a smart city.
In the figure: 1. a rectangular strip shell; 2. a sliding port; 3. a monitoring box; 4. a smoke inlet; 5. an air intake fan; 6. a slot box; 7. an exhaust port; 8. a smoke sensor; 9. a signal transmitter; 10. a PLC controller; 11. a stepping motor; 12. a rotating shaft; 13. a worm; 14. a screw rod; 15. a worm gear; 16. a thread block; 17. a travel bar; 18. a dust filter screen; 19. an activated carbon filter screen; 20. a door panel; 21. a steel wire blocking net; 22. a dust guard.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, the automatic fire alarm system for building in smart city comprises a rectangular casing 1, the rectangular casing 1 is a hollow structure, a horizontal reciprocating displacement mechanism is disposed in the rectangular casing 1, a sliding port 2 is disposed at the lower side of the rectangular casing 1, one end of the horizontal reciprocating displacement mechanism extends outwards through the sliding port 2 and is fixedly connected with a monitoring box 3, a smoke inlet 4 is disposed at the lower side of the monitoring box 3, an intake fan 5 is fixedly connected in the smoke inlet 4, two symmetrically disposed slots 6 are respectively communicated at two sides of the monitoring box 3, an air purifying mechanism is fixedly connected in each of the two slots 6, two exhaust ports 7 are disposed at one side of the slots 6 away from the monitoring box 3, the intake fan 5 is activated to generate wind suction, external air is sucked into the monitoring box 3 from the smoke inlet 4, and guides the air flow, air is discharged from an exhaust port 7 on a groove box 6, the inner wall of the upper end of a monitoring box 3 is fixedly connected with a smoke sensor 8, a signal transmitter 9 and a PLC (programmable logic controller) 10 respectively, one ends of a horizontal reciprocating displacement mechanism, an air inlet fan 5, the smoke sensor 8 and the signal transmitter 9 are electrically connected with the PLC 10 respectively, the smoke sensor 8 feeds monitoring data back to a monitoring center through the signal transmitter 9 to give an alarm in time, the PLC 10 controls the horizontal reciprocating displacement mechanism and the air inlet fan 5 to work respectively, and the device is externally connected with a power supply;
in fig. 4: the horizontal reciprocating displacement mechanism comprises a stepping motor 11 fixed on the lower side of one end of a rectangular strip shell 1, a vertically arranged rotating shaft 12 is fixedly connected to the driving end of the stepping motor 11, one end of the rotating shaft 12 penetrates through and extends to the rectangular strip shell 1 and is fixedly connected with a worm 13, the inner wall of the upper end of the rectangular strip shell 1 is rotatably connected with one end of the worm 13 through a first bearing seat, the inner walls of the two ends of the rectangular strip shell 1 are rotatably connected with a transversely arranged screw rod 14 through two second bearing seats, a worm wheel 15 meshed with the worm 13 is fixedly connected to the screw rod 14, a thread block 16 is connected to the screw rod 14 in a threaded manner, a moving rod 17 is fixedly connected to the lower side of the thread block 16, one end, far away from the thread block 16, of the moving rod 17 penetrates through a sliding opening 2 and extends outwards and is fixedly connected with a monitoring box 3, the stepping motor 11 is started to work to drive the rotating shaft 12 to rotate, and further drive the worm 13 to rotate, and the worm 13 is meshed with the worm wheel 15, the screw rod 14 is driven to rotate, and the screw rod 14 is in threaded connection with the thread block 16, and the axial rotation of the thread block 16 is limited by the sliding port 2 along with the movable rod 17, so that the thread block 16 is forced to displace, and the horizontal reciprocating displacement of the monitoring box 3 is realized by controlling the positive and negative rotation of the stepping motor 11, so that the monitoring range of the device is improved, and the alarm is more timely;
in fig. 4: the outer side wall of the screw rod 14 is fixedly connected with the inner wall of the through hole of the worm wheel 15 in a welding mode, and the connection is firm;
in fig. 3: the air purification mechanism comprises a dust filter net 18 vertically fixed in the tank box 6, one side of the dust filter net 18 far away from the smoke inlet 4 is fixedly connected with an active carbon filter screen 19, and the air filters dust and harmful substances in the air through the filtering and adsorbing effects of the dust filter net 18 and the active carbon filter screen 19, so that the air purification effect is achieved;
in fig. 2: the front side of the monitoring box 3 is detachably and fixedly connected with a door panel 20 through a bolt, so that the interior of the monitoring box 3 can be overhauled;
in fig. 2: a steel wire blocking net 21 is fixedly connected to an opening at one end of the smoke inlet 4 far away from the monitoring box 3, so that winged insects are prevented from entering the monitoring box 3;
in fig. 2: one side of the groove box 6 above the exhaust port 7 is fixedly connected with a dust baffle 22 which is obliquely arranged, so that the dustproof effect is achieved.
The working principle of the utility model is as follows: when the device is used for automatic alarm monitoring of building fire in smart cities, the air inlet fan 5 is started to work to generate wind power suction force, outside air is sucked into the monitoring box 3 through the smoke inlet 4, the air flow is guided, the air is prevented from being influenced by the outside wind power to be deviated, the timeliness of monitoring and alarming is improved, when the smoke sensor 8 monitors that the air contains smoke, alarming is generated, monitoring data is transmitted to a monitoring center through the signal transmitter 9, and security personnel are reminded to respond in time;
meanwhile, the air filters dust and harmful substances in the air through the filtering and adsorbing action of the dust filtering net 18 and the activated carbon filter screen 19, and the purified air is discharged from the exhaust port 7 on the groove box 6, so that the indoor air can be purified, and the air quality is improved;
when monitoring, start step motor 11 work, drive pivot 12 and rotate, and then drive worm 13 and rotate, because worm 13 and worm wheel 15 mesh, and then drive lead screw 14 and rotate, because lead screw 14 and 16 threaded connection of screw block, and 16 axial rotations of screw block follow the movable rod 17 and receive the restriction of sliding port 2, consequently, 16 compulsory displacements of screw block, and then through the positive and negative rotation work of control step motor 11, realize the horizontal reciprocating displacement of monitoring case 3, thereby improve the monitoring range of this device, make the warning more timely.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. Be used for wisdom city building conflagration autoalarm system, including rectangle strip shell (1), its characterized in that, rectangle strip shell (1) is hollow structure, and is equipped with horizontal reciprocating displacement mechanism in rectangle strip shell (1), sliding port (2) have been seted up to the downside of rectangle strip shell (1), and the one end of horizontal reciprocating displacement mechanism runs through sliding port (2) and outside extension and fixedly connected with monitoring box (3), the downside intercommunication of monitoring box (3) is equipped with smoke inlet (4), and fixedly connected with air inlet fan (5) in smoke inlet (4), the both sides of monitoring box (3) communicate respectively and are equipped with groove box (6) that two symmetries set up, and equal fixedly connected with air purification mechanism in two groove box (6), groove box (6) are kept away from one side of monitoring box (3) and have been seted up two gas vents (7), the upper end inner wall difference fixedly connected with smoke transducer (8) of monitoring box (3), Signal transmission ware (9) and PLC controller (10), the one end of horizontal reciprocating displacement mechanism, air inlet fan (5), smoke transducer (8) and signal transmission ware (9) respectively with PLC controller (10) electric connection.
2. The automatic fire alarm system for the smart city buildings according to claim 1, wherein the horizontal reciprocating displacement mechanism comprises a stepping motor (11) fixed on the lower side of one end of a rectangular bar shell (1), the driving end of the stepping motor (11) is fixedly connected with a vertically arranged rotating shaft (12), one end of the rotating shaft (12) extends through the rectangular bar shell (1) and is fixedly connected with a worm (13), the inner wall of the upper end of the rectangular bar shell (1) is rotatably connected with one end of the worm (13) through a first bearing seat, the inner walls of the two ends of the rectangular bar shell (1) are rotatably connected with a transversely arranged screw rod (14) through two second bearing seats, a worm wheel (15) meshed and connected with the worm (13) is fixedly connected on the screw rod (14), a thread block (16) is connected on the screw rod (14), and a moving rod (17) is fixedly connected with the lower side of the thread block (16), one end of the moving rod (17) far away from the thread block (16) penetrates through the sliding opening (2) to extend outwards and is fixedly connected with the monitoring box (3).
3. The automatic fire alarm system for the smart city buildings as claimed in claim 2, wherein the outer side wall of the screw rod (14) is fixedly connected with the inner wall of the through hole of the worm wheel (15) in a welding manner.
4. The automatic fire alarm system for the smart city buildings as claimed in claim 1, wherein the air purification mechanism comprises a dust filter screen (18) vertically fixed in the tank (6), and an activated carbon filter screen (19) is fixedly connected to one side of the dust filter screen (18) far away from the smoke inlet (4).
5. The automatic fire alarm system for smart city buildings as claimed in claim 1, wherein the front side of the monitoring box (3) is detachably and fixedly connected with a door panel (20) through bolts.
6. The automatic fire alarm system for the smart city buildings as claimed in claim 1, wherein a steel wire barrier net (21) is fixedly connected to an opening at one end of the smoke inlet (4) far away from the monitoring box (3).
7. The automatic fire alarm system for smart city buildings according to claim 1, wherein a dust guard plate (22) is fixedly connected to one side of the groove box (6) above the exhaust port (7) and is arranged obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191573.5U CN216083888U (en) | 2021-09-10 | 2021-09-10 | Automatic fire alarm system for smart city building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191573.5U CN216083888U (en) | 2021-09-10 | 2021-09-10 | Automatic fire alarm system for smart city building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216083888U true CN216083888U (en) | 2022-03-18 |
Family
ID=80675717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191573.5U Active CN216083888U (en) | 2021-09-10 | 2021-09-10 | Automatic fire alarm system for smart city building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216083888U (en) |
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2021
- 2021-09-10 CN CN202122191573.5U patent/CN216083888U/en active Active
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