CN109442300B - Anti-shielding fire emergency lighting indicating device - Google Patents
Anti-shielding fire emergency lighting indicating device Download PDFInfo
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- CN109442300B CN109442300B CN201811194549.3A CN201811194549A CN109442300B CN 109442300 B CN109442300 B CN 109442300B CN 201811194549 A CN201811194549 A CN 201811194549A CN 109442300 B CN109442300 B CN 109442300B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/162—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to traction or compression, e.g. coil springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0088—Ventilating systems
- F21V33/0096—Fans, e.g. ceiling fans
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Fire Alarms (AREA)
Abstract
The invention relates to an anti-shielding fire emergency lighting indicating device, which comprises a top plate, a hanging rod, a main body, a ventilation mechanism, two indicating mechanisms and four screws, wherein each indicating mechanism comprises an indicating box, a sealing plate, an indicating lamp and two adjusting components, each adjusting component comprises a rotating unit, a flat plate, a hinging unit, a driving unit and two telescopic units, each ventilation mechanism comprises a ventilation pipe and two branch pipes, a first motor, a rotating shaft, a filter screen, a vibrating component, a supporting frame and two fan blades are arranged in each ventilation pipe, the anti-shielding fire emergency lighting indicating device can prevent dust in the indicating mechanism through the sealing plate, obstacles in front can be pushed away through the movement of the sealing plate when a fire occurs, light rays emitted by the indicating lamp in the indicating box are prevented from being shielded, people are guided to escape safely, and the indication box can spray air flow through the ventilation mechanism, the cigarette ash nearby is blown away, the cigarette ash is prevented from being adsorbed on the surface of the indicating lamp to influence illumination, and the practicability of the device is improved.
Description
Technical Field
The invention relates to the field of fire-fighting emergency equipment, in particular to an anti-shielding fire-fighting emergency lighting indicating device.
Background
The fire-fighting emergency lamp is suitable for fire-fighting emergency lighting, is the most common lighting tool for fire fighting, has long emergency time and high brightness, and has the automatic power-off function. The fire-fighting emergency lamp has the characteristics of low power consumption, high brightness, long service life and the like, and is provided with a power switch and an indicator light, so that the fire-fighting emergency lamp is suitable for public production of factories, hotels, schools, units and the like for emergency lighting.
Current fire control emergency light simple structure, the function singleness, the emergency light is direct to be exposed outside equipment usually, consequently when not for a long time, the lamps and lanterns surface is stained with the ash easily, influence the propagation of light, lead to the illumination luminance to reduce, and when the conflagration takes place, because the scene of the conflagration smog is strong, cigarette ash also adsorbs the surface at the light easily, and take place easily when the conflagration and collapse, some barriers (like plank, stone) shelter from the place ahead at the light easily, the light that leads to equipment to send is blockked, can't normally guide people to break away from safely, and then the practicality of current fire control emergency light has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the anti-blocking fire emergency lighting indicating device is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-shielding fire emergency lighting indicating device comprises a top plate, a hanging rod, a main body, a ventilation mechanism, two indicating mechanisms and four screws, wherein the screws are arranged at four corners of the top plate, the main body is fixed below the top plate through the hanging rod, the ventilation mechanism is arranged below the main body, the two indicating mechanisms are respectively positioned at two sides of the main body, a PLC is arranged in the main body, a loudspeaker is arranged on the main body, and the loudspeaker is electrically connected with the PLC;
the indicating mechanism comprises an indicating box, a sealing plate, an indicating lamp and two adjusting components, wherein the indicating box is fixed on the main body, the indicating lamp is fixed at the bottom in the indicating box and is electrically connected with the PLC, the sealing plate is positioned at one end of the indicating box, which is far away from the main body, the two adjusting components are respectively positioned at two sides of the indicating box, and the adjusting components are in transmission connection with the sealing plate;
the adjusting assembly comprises a rotating unit, a flat plate, a hinge unit, a driving unit and two telescopic units, the flat plate is connected with the indicating box through the hinge unit, the rotating unit is positioned on one side, close to the main body, of the flat plate, the rotating unit is in transmission connection with the flat plate, the driving unit and the telescopic units are both positioned on the other side of the flat plate, the two telescopic units are respectively positioned on two sides of the driving unit, each telescopic unit comprises a telescopic frame, a moving block, a fixed block and two first connecting rods, the fixed block is fixed on the flat plate, the driving unit is in transmission connection with the moving block, two sides of one end of the telescopic frame are respectively hinged with the moving block and the fixed block, and two sides of the other end of the telescopic frame are respectively hinged with;
the ventilation mechanism comprises a ventilation pipe and two branch pipes, the ventilation pipe is fixed below the main body, the two branch pipes are respectively positioned at two sides of the ventilation pipe, the branch pipes correspond to the indicating mechanisms one by one, the ventilating pipe is communicated with the indicating box through the branch pipes, a first motor, a rotating shaft, a filter screen, a vibration assembly, a support frame and two fan blades are arranged in the ventilating pipe, the first motor is fixed in the ventilation pipe and is electrically connected with the PLC, the first motor is in transmission connection with the top end of the rotating shaft, the two fan blades are respectively positioned at two sides of the rotating shaft, the filter screen is fixed at the bottom end of the rotating shaft, the vibration component is arranged on the rotating shaft, the support frame is annular, the shape of the vertical cross section of the edge position of the support frame is U-shaped, the filter screen is positioned in the U-shaped opening of the support frame, and the support frame is fixed on the inner wall of the ventilation pipe.
Preferably, in order to drive the flat plate to rotate, the rotating unit comprises a second motor, a second connecting rod and a third connecting rod, the second motor is fixed on the indicating box and electrically connected with the PLC, the second motor is in transmission connection with the second connecting rod, and the second connecting rod is hinged to the flat plate through the third connecting rod.
Preferably, in order to facilitate rotation of the flat plate, the hinge unit comprises a fixed shaft, a convex plate and a lantern ring, the convex plate is fixedly connected with the indication box through the fixed shaft, the lantern ring is sleeved on the fixed shaft, and the lantern ring is fixedly connected with the flat plate.
Preferably, in order to determine the vertical position of the flat plate, the adjusting assembly further comprises an extrusion block, the extrusion block is located on one side, close to the main body, of one end, far away from the hinge unit, of the flat plate, the extrusion block is fixed on the indication box, a pressure sensor is arranged in the extrusion block, and the pressure sensor is electrically connected with the PLC.
Preferably, in order to detect whether an obstacle is present in front of the sealing plate, an ultrasonic distance meter is provided on a side of the sealing plate away from the indication box, and the ultrasonic distance meter is electrically connected to the PLC.
Preferably, in order to drive the telescopic frame to extend and retract, the driving unit comprises a third motor and two lead screws, the third motor is fixed on the flat plate, the third motor is electrically connected with the PLC, the two lead screws are respectively located on two sides of the third motor, the third motor is in transmission connection with one ends of the lead screws, the other ends of the lead screws are arranged in the fixed block, the moving block is sleeved on the lead screws, and threads matched with the lead screws are arranged at the connection positions of the moving block and the lead screws.
Preferably, in order to detect whether a fire disaster exists around the equipment, the main body is provided with a temperature sensor and a smoke sensor, and the temperature sensor and the smoke sensor are both electrically connected with the PLC.
As preferred, in order to conveniently clear away dust on the filter screen, the vibration assembly comprises an eccentric wheel and two vibration units, the eccentric wheel is sleeved on the rotating shaft, the two vibration units are respectively positioned at two sides of the eccentric wheel, the vibration units comprise a movable plate, a first cylinder, a second cylinder, a first piston, a second piston and a vibrating block, the movable plate is abutted against the periphery of the eccentric wheel, the first cylinder and the second cylinder are both fixed in a ventilation pipe, the first cylinder is communicated with the second cylinder, the first cylinder is horizontally arranged towards the eccentric wheel, the second cylinder is vertically arranged towards the filter screen, one end of the first piston is arranged in the first cylinder, the other end of the first cylinder is fixedly connected with the movable plate, the top end of the second piston is arranged in the second cylinder, the bottom end of the second piston is fixedly connected with the vibrating block, two springs are arranged in the second piston, the top end of the second piston is connected with the bottom in the second cylinder through a spring, and the spring is in a stretching state.
Preferably, in order to fix the moving direction of the first piston and the second piston, a first limit ring and a second limit ring are respectively arranged in the first cylinder and the second cylinder, and the first limit ring and the second limit ring are respectively sleeved on the first piston and the second piston.
As preferred, for the ease of the steady rotation of filter screen, all be equipped with a plurality of notches on the inboard of support frame and the inner wall of upper and lower both sides, notch circumference evenly distributed is in the periphery of filter screen, be equipped with the ball in the notch, ball and notch phase-match, the centre of sphere of ball is located the notch, the ball supports and leans on the notch.
The anti-shielding fire emergency lighting indicating device has the advantages that the anti-shielding fire emergency lighting indicating device can prevent dust through the sealing plate in the indicating mechanism, a barrier in front can be pushed by the sealing plate when a fire disaster happens, light rays emitted by the indicating lamp in the indicating box are prevented from being shielded, and people are guided to escape safely.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of an anti-eclipse fire emergency lighting indicating device of the present invention;
FIG. 2 is a schematic structural view of an indicating mechanism of the anti-eclipse fire emergency lighting indicating device of the present invention;
FIG. 3 is a schematic structural view of the vent mechanism of the anti-eclipse fire emergency lighting indicating device of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
in the figure: 1. the ultrasonic range finder comprises a top plate, 2, a hanging rod, 3, a main body, 4, a screw, 5, a loudspeaker, 6, an indicating box, 7, a sealing plate, 8, an indicating lamp, 9, a flat plate, 10, an expansion bracket, 11, a moving block, 12, a fixed block, 13, a first connecting rod, 14, a ventilation pipe, 15, a branch pipe, 16, a first motor, 17, a filter screen, 18, a supporting frame, 19, a fan blade, 20, a second motor, 21, a second connecting rod, 22, a third connecting rod, 23, a fixed shaft, 24, a convex plate, 25, a lantern ring, 26, an extrusion block, 27, a pressure sensor, 28, an ultrasonic range finder, 29, a third motor, 30, a screw rod, 31, a temperature sensor, 32, a smoke sensor, 33, an eccentric wheel, 34, a moving plate, 35, a first cylinder, 36, a second cylinder, 37, a first piston, 38, a second piston, 39, a vibrating block, 40, a first limiting ring, 41, a second, 42. ball, 43, shaft, 44, spring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an anti-blocking fire emergency lighting indicating device comprises a top plate 1, a hanging rod 2, a main body 3, a ventilation mechanism, two indicating mechanisms and four screws 4, wherein the screws 4 are arranged at four corners of the top plate 1, the main body 3 is fixed below the top plate 1 through the hanging rod 2, the ventilation mechanism is arranged below the main body 3, the two indicating mechanisms are respectively positioned at two sides of the main body 3, a PLC is arranged in the main body 3, a loudspeaker 5 is arranged on the main body 3, and the loudspeaker 5 is electrically connected with the PLC;
this fire emergency lighting causes among the device, install roof 1 on the ceiling of public place through four screws 4, position through 2 fixed below main part 3 of jib, instruction mechanism carries out the illumination instruction when the conflagration breaing out is passed through to the both sides of main part 3, guide personnel's safety escapes, and the ventilation mechanism operation of main part 3 below, can make instruction mechanism jet-propelled towards the outside, prevent that cigarette ash from being infected with the surface of pilot lamp 8, prevent that light from propagating and blockked, thereby the illumination intensity of equipment has been guaranteed, and carry out voice prompt through speaker 5, be convenient for instruct people to break away from safely.
As shown in fig. 2, the indicating mechanism includes an indicating box 6, a sealing plate 7, an indicating lamp 8 and two adjusting components, the indicating box 6 is fixed on the main body 3, the indicating lamp 8 is fixed at the bottom inside the indicating box 6, the indicating lamp 8 is electrically connected with the PLC, the sealing plate 7 is located at one end of the indicating box 6 far away from the main body 3, the two adjusting components are respectively located at two sides of the indicating box 6, and the adjusting components are in transmission connection with the sealing plate 7;
the adjusting assembly comprises a rotating unit, a flat plate 9, a hinge unit, a driving unit and two telescopic units, the flat plate 9 is connected with the indicating box 6 through the hinge unit, the rotating unit is positioned on one side, close to the main body 3, of the flat plate 9, the rotating unit is in transmission connection with the flat plate 9, the driving unit and the telescopic units are both positioned on the other side of the flat plate 9, the two telescopic units are respectively positioned on two sides of the driving unit, the telescopic units comprise telescopic frames 10, moving blocks 11, fixed blocks 12 and two first connecting rods 13, the fixed blocks 12 are fixed on the flat plate 9, the driving unit is in transmission connection with the moving blocks 11, two sides of one end of each telescopic frame 10 are respectively hinged with the moving blocks 11 and the fixed blocks 12, and two sides of the other end of each telescopic frame 10 are respectively hinged with the sealing plate 7 through;
in the indicating mechanism, an indicating box 6 is fixedly arranged on a main body 3, the indicating box 6 is sealed by a sealing plate 7, so that dust on a flat indicating lamp 8 is prevented, when a fire disaster and other dangerous conditions occur, an adjusting component operates, a driving unit on a flat plate 9 drives a moving block 11 to move, the distance between the moving block 11 and a fixed block 12 is reduced, the length of an expansion frame 10 is increased while the expansion frame 10 expands and contracts, the two first connecting rods 13 drive the sealing plate 7 to move towards the direction away from the main body 3, the sealing plate 7 can push away obstacles in front in the moving process, then a rotating component operates to drive the flat plate 9 to rotate downwards by taking a hinge unit as the circle center, so that the sealing plate 7 is driven to rotate downwards, no shielding object exists in front of the indicating lamp 8, then a PLC controls the indicating lamp 8 to operate and irradiate the front to guide people to safely break away,
as shown in fig. 3, the ventilation mechanism includes a ventilation pipe 14 and two branch pipes 15, the ventilation pipe 14 is fixed below the main body 3, the two branch pipes 15 are respectively located at two sides of the ventilation pipe 14, the branch pipes 15 are in one-to-one correspondence with the indication mechanism, the ventilation pipe 14 is communicated with the indication box 6 through the branch pipes 15, a first motor 16, a rotating shaft 43, a filter screen 17, a vibration assembly, a support frame 18 and two fan blades 19 are arranged in the ventilation pipe 14, the first motor 16 is fixed in the ventilation pipe 14, the first motor 16 is electrically connected with the PLC, the first motor 16 is in transmission connection with the top end of the rotating shaft 43, the two fan blades 19 are respectively located at two sides of the rotating shaft 43, the filter screen 17 is fixed at the bottom end of the rotating shaft 43, the vibration assembly is arranged on the rotating shaft 43, the support frame 18 is annular, and the vertical section, the filter screen 17 is positioned in a U-shaped opening of a support frame 18, and the support frame 18 is fixed on the inner wall of the ventilation pipe 14.
After the sealing plate 7 moves away from the main body 3, in order to prevent smoke from adhering to the indicator 8 in a fire scene, the PLC controls the first motor 16 in the ventilation pipe 14 to be started, so as to drive the rotating shaft 43 to rotate, so that the fan blades 19 keep a rotating state, after external air enters the ventilation pipe 14, the external air is introduced into the indicator box 6 through the branch pipe 15 and is sprayed out from the indicator box 6, due to the air flow sprayed out from the indicator box 6, the external smoke is blown away by the air flow, the smoke is prevented from adhering to the surface of the indicator 8, the illumination effect is influenced, during the air flows upwards in the ventilation pipe 14, the smoke is isolated by the filter screen 17, the smoke is prevented from entering the indicator box 6 through the branch pipe 15, the filter screen 17 is driven to rotate by the rotation of the rotating shaft 43, so that the smoke adhered to the lower surface of the filter screen 17 is separated from the central position of the, the filter 17 is shaken off to prevent the air circulation from being unsmooth.
As shown in fig. 2, the rotating unit includes a second motor 20, a second connecting rod 21 and a third connecting rod 22, the second motor 20 is fixed on the indication box 6, the second motor 20 is electrically connected to the PLC, the second motor 20 is in transmission connection with the second connecting rod 21, and the second connecting rod 21 is hinged to the flat plate 9 through the third connecting rod 22.
The PLC controls the second motor 20 to start, drives the second connecting rod 21 to rotate, and the second connecting rod 21 acts on the flat plate 9 through the third connecting rod 22 to drive the flat plate 9 to rotate.
Preferably, in order to facilitate the rotation of the flat plate 9, the hinge unit includes a fixed shaft 23, a protruding plate 24 and a collar 25, the protruding plate 24 is fixedly connected with the indication box 6 through the fixed shaft 23, the collar 25 is sleeved on the fixed shaft 23, and the collar 25 is fixedly connected with the flat plate 9. The fixed shaft 23 is fixed in position, so that the lantern ring 25 can rotate along the fixed shaft 23, the flat plate 9 can rotate conveniently, the position of the lantern ring 25 on the fixed shaft 23 can be limited through the convex plate 24, and the lantern ring 25 is prevented from being separated from the fixed shaft 23.
Preferably, in order to determine the vertical position of the flat plate 9, the adjusting assembly further comprises a pressing block 26, the pressing block 26 is located on one side of the flat plate 9, which is far away from the hinge unit, close to the main body 3, the pressing block 26 is fixed on the indication box 6, a pressure sensor 27 is arranged in the pressing block 26, and the pressure sensor 27 is electrically connected with the PLC. After the flat plate 9 rotates to a vertical angle, the flat plate 9 abuts against the extrusion block 26, so that the pressure sensor 27 in the extrusion block 26 receives pressure data and feeds the pressure data back to the PLC, and the PLC determines the vertical angle of the flat plate 9 according to the pressure data.
Preferably, in order to detect whether there is an obstacle in front of the sealing plate 7, an ultrasonic distance meter 28 is provided on a side of the sealing plate 7 away from the indication box 6, and the ultrasonic distance meter 28 is electrically connected to the PLC. Through ultrasonic ranging appearance 28 forward emission ultrasonic signal, the ultrasonic wave returns after meetting the barrier, by ultrasonic ranging appearance 28 received signal, and calculate the distance of the place ahead barrier through the time, and feed back distance data to PLC, PLC can confirm closing plate 7 the place ahead barrier distance according to distance data, when the barrier is nearer, shelter from the light of pilot lamp 8 easily, PLC control expansion bracket 10 promotes closing plate 7 and removes and push away the barrier this moment.
Preferably, in order to drive the telescopic frame 10 to extend and retract, the driving unit includes a third motor 29 and two lead screws 30, the third motor 29 is fixed on the flat plate 9, the third motor 29 is electrically connected with the PLC, the two lead screws 30 are respectively located at two sides of the third motor 29, the third motor 29 is in transmission connection with one end of the lead screw 30, the other end of the lead screw 30 is arranged in the fixed block 12, the moving block 11 is sleeved on the lead screw 30, and a thread matched with the lead screw 30 is arranged at a connection position of the moving block 11 and the lead screw 30. The PLC controls the third motor 29 to be started, the lead screw 30 is driven to rotate under the supporting effect of the fixed block 12, and the lead screw 30 acts on the moving block 11 through threads, so that the moving block 11 moves along the axis of the lead screw 30.
Preferably, in order to detect whether there is a fire around the equipment, the main body 3 is provided with a temperature sensor 31 and a smoke sensor 32, and both the temperature sensor 31 and the smoke sensor 32 are electrically connected to the PLC. Temperature signals and smoke signals around the equipment are detected by the temperature sensor 31 and the smoke sensor 32, and signal data are transmitted to the PLC, and the PLC determines whether a fire breaks out around according to the signal data.
As shown in fig. 4, the vibration assembly includes an eccentric wheel 33 and two vibration units, the eccentric wheel 33 is sleeved on a rotating shaft 43, the two vibration units are respectively located at two sides of the eccentric wheel 33, the vibration units include a moving plate 34, a first cylinder 35, a second cylinder 36, a first piston 37, a second piston 38 and a vibration block 39, the moving plate 34 abuts against the periphery of the eccentric wheel 33, the first cylinder 35 and the second cylinder 36 are both fixed in the ventilation pipe 14, the first cylinder 35 is communicated with the second cylinder 36, the first cylinder 35 is horizontally arranged towards the eccentric wheel 33, the second cylinder 36 is vertically arranged towards the filter screen 17, one end of the first piston 37 is arranged in the first cylinder 35, the other end of the first cylinder 35 is fixedly connected with the moving plate 34, the top end of the second piston 38 is arranged in the second cylinder 36, the bottom end of the second piston 38 is fixedly connected with the vibration block 39, two springs 44 are arranged in the second piston 38, the top end of the second piston 38 is connected with the bottom in the second cylinder 36 through the springs 44, and the springs 44 are in a stretching state.
Along with the rotation of the rotating shaft 43, the eccentric wheel 33 rotates to act on the moving plate 34, the moving plate 34 is driven to move, the first piston 37 moves into the first air cylinder 35, the first air cylinder 35 is communicated with the second air cylinder 36, the second piston 38 moves downwards, the vibrating block 39 moves downwards and further stretches the spring 44, the filter screen 17 is knocked, dust below the filter screen 17 is shaken off, after the eccentric wheel 33 is far away from the moving plate 34, the stretched spring 44 restores deformation and pulls the second piston 38 to move upwards, the first piston 37 is far away from the first air cylinder 35, the moving plate 34 abuts against the periphery of the eccentric wheel 33, the vibrating block 39 moves up and down in a reciprocating mode along with the rotation of the eccentric wheel 33, the filter screen 17 is knocked, the dust below the filter screen 17 is shaken off, and accordingly smooth air circulation is guaranteed.
Preferably, in order to fix the moving direction of the first piston 37 and the second piston 38, a first limit ring 40 and a second limit ring 41 are respectively arranged in the first cylinder 35 and the second cylinder 36, and the first limit ring 40 and the second limit ring 41 are respectively sleeved on the first piston 37 and the second piston 38. The moving direction of the first piston 37 is fixed by the first stopper ring 40 of a fixed position so that the first piston 37 keeps moving smoothly, and similarly, the second piston 38 keeps moving smoothly by the second stopper ring 41.
Preferably, in order to facilitate the smooth rotation of the filter screen 17, a plurality of notches are formed in the inner side and the inner walls of the upper side and the lower side of the support frame 18, the notches are circumferentially and uniformly distributed on the periphery of the filter screen 17, balls 42 are arranged in the notches, the balls 42 are matched with the notches, the centers of the balls 42 are located in the notches, and the balls 42 abut against the notches. When the filter screen 17 rotates at the inner side of the support frame 18, the filter screen 17 is in contact with the balls 42 in the notches to drive the balls 42 to roll in the notches, so that friction borne by the filter screen 17 during rotation is reduced, the rotation position of the filter screen 17 is limited through the balls 42, and the filter screen 17 keeps stable rotation.
When the fire emergency lighting indicating device is used, the indicating box 6 is shielded by the sealing plate 7, dust is prevented from being adsorbed on the surface of the indicating lamp 8, when a fire disaster occurs, the driving unit acts on the telescopic unit, the sealing plate 7 moves towards the direction far away from the main body 3, after an obstacle is pushed away, the sealing plate 7 is driven to rotate downwards by the rotating unit, no shielding object is arranged in front of the indicating lamp 8, the lighting indicating effect of the equipment is ensured, moreover, the fan blades 19 are driven to rotate by the first motor 16, airflow is generated in the ventilation pipe 14, outside air is sucked in and filtered, the air is sprayed out of the indicating box 6 through the branch pipe 15, the cigarette ash close to the indicating box 6 is blown away, the cigarette ash is prevented from being adsorbed on the surface of the indicating lamp 8, the dust adsorbed on the filter screen 17 is thrown away by the rotation of the filter screen 17, and the filter screen 17 is, shake off the dust to guarantee that the circulation of air is smooth and easy, be convenient for instruct 6 endogenous continuous blowout air currents in box, prevent that cigarette ash from adsorbing on 8 surfaces of pilot lamp, thereby further guaranteed the indicating effect of equipment.
Compared with the prior art, this prevent fire emergency lighting indicating device who shelters from can prevent dust through closing plate 7 in indicating mechanism, the barrier in the place ahead can be pushed away through closing plate 7's removal when the conflagration takes place, the light of avoiding indicating lamp 8 in the instruction box 6 to send receives and shelters from, thereby guide people to flee from safely, compare with current indicating mechanism, this indicating mechanism is safe and reliable more, moreover, can make through ventilation mechanism and instruct 6 blowout air currents of box, blow away near cigarette ash, prevent that cigarette ash from adsorbing at 8 surface influence illuminations of indicating lamp, the practicality of this equipment has further been improved, compare with current ventilation mechanism, this ventilation mechanism is convenient for throw away the dust of filter screen 17 below through filter screen 17's rotation, and can shake off the dust through vibration subassembly, guarantee that the circulation of air is smooth and easy.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The anti-blocking fire emergency lighting indicating device is characterized by comprising a top plate (1), a hanging rod (2), a main body (3), a ventilation mechanism, two indicating mechanisms and four screws (4), wherein the screws (4) are arranged at four corners of the top plate (1), the main body (3) is fixed below the top plate (1) through the hanging rod (2), the ventilation mechanism is arranged below the main body (3), the two indicating mechanisms are respectively positioned at two sides of the main body (3), a PLC (programmable logic controller) is arranged in the main body (3), a loudspeaker (5) is arranged on the main body (3), and the loudspeaker (5) is electrically connected with the PLC;
the indicating mechanism comprises an indicating box (6), a sealing plate (7), an indicating lamp (8) and two adjusting components, wherein the indicating box (6) is fixed on the main body (3), the indicating lamp (8) is fixed at the bottom in the indicating box (6), the indicating lamp (8) is electrically connected with the PLC, the sealing plate (7) is positioned at one end, far away from the main body (3), of the indicating box (6), the two adjusting components are respectively positioned at two sides of the indicating box (6), and the adjusting components are in transmission connection with the sealing plate (7);
the adjusting assembly comprises a rotating unit, a flat plate (9), a hinge unit, a driving unit and two telescopic units, the flat plate (9) is connected with the indicating box (6) through the hinge unit, the rotating unit is located on one side, close to the main body (3), of the flat plate (9), the rotating unit is in transmission connection with the flat plate (9), the driving unit and the telescopic units are located on the other side of the flat plate (9), the two telescopic units are located on two sides of the driving unit respectively, the telescopic units comprise telescopic frames (10), moving blocks (11), fixed blocks (12) and two first connecting rods (13), the fixed blocks (12) are fixed on the flat plate (9), the driving unit is in transmission connection with the moving blocks (11), two sides of one end of each telescopic frame (10) are hinged with the moving blocks (11) and the fixed blocks (12) respectively, and two sides of the other end of each telescopic frame (10) are hinged with the sealing plate (7) through the two first connecting rods (13) respectively;
the ventilation mechanism comprises a ventilation pipe (14) and two branch pipes (15), the ventilation pipe (14) is fixed below the main body (3), the two branch pipes (15) are respectively located at two sides of the ventilation pipe (14), the branch pipes (15) correspond to the indicating mechanisms one to one, the ventilation pipe (14) is communicated with the indicating box (6) through the branch pipes (15), a first motor (16), a rotating shaft (43), a filter screen (17), a vibration assembly, a support frame (18) and two fan blades (19) are arranged in the ventilation pipe (14), the first motor (16) is fixed in the ventilation pipe (14), the first motor (16) is electrically connected with a PLC (programmable logic controller), the first motor (16) is connected with the top end of the rotating shaft (43) in a transmission manner, the two fan blades (19) are respectively located at two sides of the rotating shaft (43), the filter screen (17) is fixed at the bottom end of the rotating shaft (43), the vibration assembly is arranged on the, the shape of support frame (18) is the annular, the shape of the vertical cross-section of the border position of support frame (18) is the U-shaped, filter screen (17) are located the U-shaped opening of support frame (18), support frame (18) are fixed on the inner wall of ventilation pipe (14).
2. The anti-blocking fire emergency lighting indicating device according to claim 1, wherein the rotating unit comprises a second motor (20), a second connecting rod (21) and a third connecting rod (22), the second motor (20) is fixed on the indicating box (6), the second motor (20) is electrically connected with the PLC, the second motor (20) is in transmission connection with the second connecting rod (21), and the second connecting rod (21) is hinged with the flat plate (9) through the third connecting rod (22).
3. The anti-blocking fire emergency lighting indicating device according to claim 1, wherein the hinge unit comprises a fixed shaft (23), a protruding plate (24) and a collar (25), the protruding plate (24) is fixedly connected with the indicating box (6) through the fixed shaft (23), the collar (25) is sleeved on the fixed shaft (23), and the collar (25) is fixedly connected with the flat plate (9).
4. The anti-blocking fire emergency lighting indicating device according to claim 1, wherein the adjusting assembly further comprises a pressing block (26), the pressing block (26) is positioned on one side of the end of the flat plate (9) far away from the hinge unit, close to the main body (3), the pressing block (26) is fixed on the indicating box (6), a pressure sensor (27) is arranged in the pressing block (26), and the pressure sensor (27) is electrically connected with the PLC.
5. Anti-blocking fire emergency lighting indicating device according to claim 1, characterized in that the sealing plate (7) is provided with an ultrasonic distance meter (28) on the side away from the indicating box (6), the ultrasonic distance meter (28) being electrically connected to the PLC.
6. The anti-blocking fire emergency lighting indicating device according to claim 1, wherein the driving unit comprises a third motor (29) and two lead screws (30), the third motor (29) is fixed on the flat plate (9), the third motor (29) is electrically connected with the PLC, the two lead screws (30) are respectively located on two sides of the third motor (29), the third motor (29) is in transmission connection with one end of the lead screw (30), the other end of the lead screw (30) is arranged in the fixed block (12), the moving block (11) is sleeved on the lead screw (30), and a connecting portion of the moving block (11) and the lead screw (30) is provided with a thread matched with the lead screw (30).
7. Anti-occlusion fire emergency lighting indicating device according to claim 1, characterized in that said main body (3) is provided with a temperature sensor (31) and a smoke sensor (32), both said temperature sensor (31) and said smoke sensor (32) being electrically connected to the PLC.
8. The anti-blocking fire emergency lighting indicating device according to claim 1, wherein the vibrating assembly comprises an eccentric wheel (33) and two vibrating units, the eccentric wheel (33) is sleeved on the rotating shaft (43), the two vibrating units are respectively positioned at two sides of the eccentric wheel (33), the vibrating units comprise a moving plate (34), a first cylinder (35), a second cylinder (36), a first piston (37), a second piston (38) and a vibrating block (39), the moving plate (34) abuts against the periphery of the eccentric wheel (33), the first cylinder (35) and the second cylinder (36) are both fixed in the ventilation pipe (14), the first cylinder (35) is communicated with the second cylinder (36), the first cylinder (35) is horizontally arranged towards the eccentric wheel (33), the second cylinder (36) is vertically arranged towards the filter screen (17), the one end setting of first piston (37) is in first cylinder (35), the other end and the movable plate (34) fixed connection of first cylinder (35), the top of second piston (38) sets up in second cylinder (36), the bottom and the vibrating mass (39) fixed connection of second piston (38), be equipped with two springs (44) in second piston (38), the top of second piston (38) is passed through spring (44) and is connected with the bottom in second cylinder (36), spring (44) are in tensile state.
9. Anti-blocking fire emergency lighting indicating device according to claim 8, wherein the first cylinder (35) and the second cylinder (36) are respectively provided therein with a first limit ring (40) and a second limit ring (41), and the first limit ring (40) and the second limit ring (41) are respectively sleeved on the first piston (37) and the second piston (38).
10. The anti-blocking fire emergency lighting indicating device according to claim 1, wherein a plurality of notches are formed in the inner side and the inner walls of the upper side and the lower side of the supporting frame (18), the notches are circumferentially and uniformly distributed on the periphery of the filter screen (17), balls (42) are arranged in the notches, the balls (42) are matched with the notches, the centers of the balls (42) are located in the notches, and the balls (42) abut against the notches.
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| CN201811194549.3A CN109442300B (en) | 2018-10-15 | 2018-10-15 | Anti-shielding fire emergency lighting indicating device |
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