CN109523737B - Fire safety automatic alarm device - Google Patents
Fire safety automatic alarm device Download PDFInfo
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- CN109523737B CN109523737B CN201811350222.0A CN201811350222A CN109523737B CN 109523737 B CN109523737 B CN 109523737B CN 201811350222 A CN201811350222 A CN 201811350222A CN 109523737 B CN109523737 B CN 109523737B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
Abstract
The invention belongs to the technical field of alarm devices, in particular to an automatic alarm device for fire safety; comprises a work box, a motor and a controller; the motor is fixedly connected to the side wall of the working box, the output end of the motor penetrates through the side wall of the working box and is connected with a first gear, and the first gear is located inside the working box; a spring is arranged in the working box and consists of a first spring and a second spring, and one end of the first spring is fixedly connected with the inner wall of the working box; a sliding block is arranged at the interface of the first spring and the second spring, a through hole is formed in the sliding block, one end, which is not connected with the first spring, of the second spring penetrates through the through hole to be fixedly connected with the inner wall of the working box, and the interface of the first spring and the second spring is positioned on the outer side of the through hole; the first gear is in contact with the second spring; in addition, the intelligent water spraying device also comprises a sliding auxiliary unit and a water spraying unit, and the intelligent water spraying device is ingenious in design and simple in structure, and increases the actual use function of the alarm device.
Description
Technical Field
The invention belongs to the technical field of alarm devices, and particularly relates to an automatic alarm device for fire safety.
Background
The fire alarm device is a control indicating device which is used for receiving, displaying and transmitting a fire alarm signal in a fire automatic alarm system and can send out a control signal and has other auxiliary functions; the fire alarm controller is a core component in the fire alarm system and is used for providing a stable working power supply for the fire detector, monitoring the working states of the detector and the system, receiving, converting and processing alarm signals output by the fire detector, performing sound-light alarm, indicating the specific part and time of alarm, executing corresponding auxiliary control and other tasks; the manual fire alarm button and the fire alarm bell both belong to fire alarm devices; in addition, the device also has alarm devices such as smoke sense and temperature sense.
Some fire safety alarm devices also appear in the prior art, for example, a chinese patent with application number 201721685167 discloses an automatic fire safety alarm device, which comprises a controller, a lighting lamp, a smoke sensor, a motor, an audible and visual alarm, a mounting plate and a booster pump, when a fire occurs, the controller firstly transmits a signal to a communication module, the communication module further contacts with a fire-fighting unit through a mobile network, so that fire fighters can quickly respond to the fire, the controller further controls the audible and visual alarm to give an alarm, thereby reminding surrounding people of the fire, facilitating quick evacuation of the people, the controller further controls the lighting lamp to illuminate, thereby providing illumination for evacuated people under the condition of dim light, thereby accelerating the evacuation speed of the people, the controller further controls the booster pump to work, thereby enabling water in a water storage tank to be sprayed out from a spray nozzle after passing through a water guide pipe, therefore, the temperature and the smoke concentration of the air are effectively reduced, and the danger brought to the evacuation of people by overhigh temperature and excessively dense smoke is avoided.
The automatic fire-fighting safety alarm device in the technical scheme can monitor whether a fire disaster occurs, but the movement of the placing plate in the technical scheme is only driven by the screw rod, so that the stability is poor; the noise generated by the screw driven by the motor is absorbed by using the sound-proof cover, so that the production cost of the alarm device is increased, and meanwhile, the working range of the spray head in the device is small, so that the temperature can not be effectively reduced and the smoke concentration can not be effectively reduced; so that the technical solution is limited.
Disclosure of Invention
In order to make up the defects of the prior art and solve the problems of poor working stability, high production cost and small working range of the spray head of the alarm device in the prior art; the invention provides an automatic fire safety alarm device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an automatic fire safety alarm device, which comprises a working box, a motor and a controller, wherein the working box is connected with the motor; the controller is used for controlling the fire safety automatic alarm device to work; the motor is fixedly connected to the side wall of the working box, the output end of the motor penetrates through the side wall of the working box and is connected with a first gear, and the first gear is located inside the working box; a spring is arranged in the working box and consists of a first spring and a second spring, and one end of the first spring is fixedly connected with the inner wall of the working box; a sliding block is arranged at the interface of the first spring and the second spring, a through hole is formed in the sliding block, one end, which is not connected with the first spring, of the second spring penetrates through the through hole to be fixedly connected with the inner wall of the working box, and the interface of the first spring and the second spring is positioned on the outer side of the through hole; the first gear is in contact with the second spring, an air bag is arranged between adjacent spring rings on the second spring, and two ends of the air bag are fixedly connected with the adjacent spring rings; one end of the sliding block is positioned in the working box, the other end of the sliding block penetrates through the top of the working box and is fixedly connected with a placing plate, and the top of the working box is provided with a slideway; the first gear drives the second spring to compress the second spring when rotating, the second spring pulls the sliding block to move back and forth on the sliding way when compressing, and the first spring is used for resetting the sliding block; the top of the placing plate is provided with a temperature sensor, a smoke sensor and an audible and visual alarm, and the temperature sensor, the smoke sensor and the audible and visual alarm are all in one-way electric connection with the controller; according to the invention, the first gear is driven to rotate by the rotation of the motor, the second spring is stirred to compress the second spring when the first gear rotates, the sliding block is pulled to move on the slide way of the working box when the second spring is compressed, the placing plate is driven to move when the sliding block moves, and the temperature sensor and the smoke sensor at the top of the placing plate are driven to horizontally move on the working box when the placing plate moves, so that the sensing ranges of the temperature sensor and the smoke sensor are enlarged, thus when a fire disaster occurs, the temperature sensor and the smoke sensor can sense the change of air temperature and smoke concentration in time, the occurrence of the fire disaster is rapidly discovered, precious time is strived for evacuation and survival seeking of people, and the practicability of equipment is improved.
Preferably, one side of the spring is provided with a sliding auxiliary unit, and the sliding auxiliary unit is used for assisting the spring to push the sliding block to move; the sliding auxiliary unit comprises a first air cylinder, a rotary table, a shear fork and a hollow shaft; the bottom of the first air cylinder is fixedly connected with the inner wall of the working box, the turntable is rotatably connected with the working box, and the turntable is sleeved on the output end of the first air cylinder and is in threaded transmission with the output end of the first air cylinder; the shear fork is positioned between the sliding block and the rotary table, spiral grains are arranged on one side, close to the shear fork, in the rotary table, a second gear is fixedly connected to one end, close to the rotary table, of the shear fork, the second gear is in meshing transmission with the spiral grains, and one end, far away from the rotary table, of the shear fork is in sliding connection with the sliding block; when the output end of the first air cylinder extends out, the rotary table is driven to rotate, and the rotary table rotates to drive the second gear to rotate, so that the scissor fork is supported to push the sliding block to move; one side of the sliding block, which is far away from the shear fork, is fixedly connected with the hollow shaft, and one end of the hollow shaft, which is far away from the sliding block, is fixedly connected with the inner wall of the working box; the hollow shaft is made of rubber materials and is communicated with the first air cylinder; the second spring compresses and pulls the sliding block to move, the hollow shaft is compressed, and gas discharged after the hollow shaft is compressed enters the first air cylinder to provide power for the first air cylinder; according to the invention, by designing the sliding auxiliary unit, the spring can be assisted to push the sliding block to move on the slide way of the working box, so that the moving speed of the placing plate is increased; on one hand, the stability of the sliding block moving on the slide way can be improved; on the other hand, the moving frequency of the temperature sensor and the smoke sensor can be increased, so that the fire can be better monitored.
Preferably, the surface of the spring is coated with a layer of rubber sleeve, and the rubber sleeve is used for increasing the elasticity of the spring; according to the invention, the surface of the spring is coated with the rubber sleeve, so that the elasticity of the spring can be increased, the spring can quickly drive the sliding block to move, and the moving frequency of the temperature sensor and the smoke sensor is further improved.
Preferably, the through hole of the sliding block is filled with soap, and the soap is used for reducing friction between the spring and the through hole and prolonging the service life of the spring; according to the invention, the through hole on the sliding block is filled with the soap, so that on one hand, the friction between the spring and the through hole can be reduced; on the other hand, in the event of a fire, the soap protects the spring from raising its temperature too quickly to cause it to lose its resiliency.
Preferably, a water spraying unit is arranged on one side, away from the smoke sensor, of the audible and visual alarm, and sprays water when a fire disaster occurs; the water spraying unit comprises a gas collecting chamber, a vertical plate, a second cylinder, a third cylinder and a water storage tank; the air collecting chamber is internally provided with an air pressure valve which is in one-way electric connection with the controller, discharged gas enters the air collecting chamber for storage when the air bag is compressed, the air collecting chamber is communicated with the second cylinder and the third cylinder, the air collecting chamber and the vertical plate are fixedly connected with the supporting plate, the bottoms of the second cylinder and the third cylinder are fixedly connected onto the vertical plate, the second cylinder and the third cylinder are vertically arranged with the vertical plate, the second cylinder and the third cylinder are provided with control valves, the control valves are used for controlling the stretching amount of the output ends of the second cylinder and the third cylinder, and the control valves are in one-way electric connection with the controller; the water storage tank is fixedly connected with the output ends of the second cylinder and the third cylinder, two ends of the water storage tank are provided with spray heads, and a booster pump is arranged in the water storage tank; according to the invention, by designing the water spraying unit, when a fire disaster occurs, water in the water storage tank can be sprayed out through the spray head, so that the temperature and the smoke concentration of air are effectively reduced, the danger caused by overhigh temperature and excessively dense smoke for evacuating personnel is avoided, and when the fire disaster occurs, the controller can control the air pressure valve in the gas collection chamber to be opened, the gas in the gas collection chamber can enter the second cylinder and the third cylinder, the output ends of the second cylinder and the third cylinder extend out to enlarge the working range of the spray head, and the controller can also control the control valves on the second cylinder and the third cylinder, so that the expansion amount of the output ends of the second cylinder and the third cylinder is controlled, the water spraying angle of the spray head can be adjusted, and the working range of the spray head is further enlarged.
Preferably, the water put into the water storage tank is soap water or vegetable washing water, so that water resources can be saved.
The working box is fixed on a wall body, the motor rotates anticlockwise to drive the first gear to rotate, the second spring is stirred to compress the second spring when the first gear rotates, the sliding block is pulled to move on a sliding way of the working box when the second spring is compressed, so that the placing plate is driven to move in the horizontal direction, and the temperature sensor, the smoke sensor and the audible and visual alarm on the placing plate also move horizontally along with the placing plate when the placing plate moves; when the compression amount of the second spring reaches the limit, the motor rotates clockwise to enable the first gear to rotate reversely, the first gear shifts the second spring to enable the second spring to start to restore the original state when rotating reversely, so that the temperature sensor, the smoke sensor and the audible and visual alarm on the placing plate move reversely, the first spring starts to compress, horizontal movement of the temperature sensor, the smoke sensor and the audible and visual alarm can be realized through positive and negative rotation of the first gear, the working ranges of the temperature sensor, the smoke sensor and the audible and visual alarm are enlarged, and therefore fire disasters are better monitored; when the second spring is compressed, the air bag is compressed, and the gas compressed and discharged by the air bag is stored in the gas collecting chamber; when the second spring is compressed, the sliding block moves to compress the hollow shaft, gas compressed and discharged by the hollow shaft enters the first air cylinder, the output end of the first air cylinder extends out to drive the rotary table to rotate, and spiral threads on the rotary table are in meshing transmission with the second gear when the rotary table rotates, so that the scissors are supported to push the sliding block to move on the slide way, namely, the sliding block is assisted to move, and the stability of the sliding block moving on the slide way can be improved; on the other hand, the moving frequency of the temperature sensor and the smoke sensor can be improved, so that the fire can be better monitored; therefore, when a fire disaster occurs, the temperature sensor and the smoke sensor can sense the change of air temperature and smoke concentration in time conveniently, so that the occurrence of the fire disaster can be found quickly, precious time is strived for evacuation and survival of people, and the practicability of the equipment is improved; when the smoke sensor and the temperature sensor sense the change of smoke concentration and temperature in the air, the temperature sensor and the smoke sensor further transmit signals to the controller for processing, the controller further processes data so as to judge whether a fire disaster occurs, when the fire disaster occurs, the controller firstly transmits the signals to the communication module, the communication module is further contacted with a fire-fighting unit through a mobile network, so that fire fighters can quickly respond to the fire disaster, the controller further controls the audible and visual alarm to give an alarm, thereby reminding surrounding people of the occurrence of the fire disaster, and facilitating the quick evacuation of the people; at this moment, the controller controls the air pressure valve to open so that gas in the gas collection chamber enters the second cylinder and the third cylinder, the output end of the second cylinder and the third cylinder is driven to stretch out, the booster pump in the controller further controls the water storage tank to enable water in the water storage tank to be sprayed out from the spray head so as to effectively reduce the temperature and the smoke concentration of the air, the danger brought to evacuation personnel due to overhigh temperature and excessively concentrated smoke is avoided, the controller can further control the control valves on the second cylinder and the third cylinder, the angle of water spray of the spray head is adjusted, the spray head can be cooled down at multiple angles and the smoke concentration is reduced, and the practicability of the equipment is further improved.
The invention has the following beneficial effects:
1. the automatic fire safety alarm device is ingenious in design and stable in structure, the first gear is used for shifting the second spring, the temperature sensor and the smoke sensor can move, the monitoring range of the temperature sensor and the smoke sensor is enlarged, meanwhile, the sliding auxiliary unit is designed to improve the stability of the temperature sensor and the smoke sensor during movement, and the movement frequency of the temperature sensor and the smoke sensor can be improved, so that a fire disaster can be better monitored.
2. The fire safety automatic alarm device is ingenious in structure, the air bag is compressed when the second spring is used for compression, gas exhausted by the compressed air bag can enter the gas collection chamber for storage, and the gas stored in the gas collection chamber can be used for driving the output ends of the second cylinder and the third cylinder to extend out, so that the working range of the spray head is enlarged, the expansion amount of the output ends of the second cylinder and the third cylinder can be controlled, the spray head can spray water in multiple angles, and the working range of the spray head is further enlarged; when the second spring pulls the sliding block to move, the hollow shaft is compressed, and gas compressed and discharged by the hollow shaft can enter the first air cylinder to drive the output end of the first air cylinder to extend out; the invention improves the utilization rate of resources by utilizing the power generated in the working process of the device.
Drawings
The invention will be further explained with reference to the drawings.
Fig. 1 is a top view of the present invention:
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a side view of the turntable of the present invention;
in the figure: the device comprises a work box 1, a motor 2, a first gear 3, a spring 4, a first spring 41, a second spring 42, an air bag 43, a sliding block 5, a placing plate 6, a temperature sensor 61, a smoke sensor 62, an audible and visual alarm 63, a sliding auxiliary unit 7, a first air cylinder 71, a rotary disc 72, a scissor 73, a hollow shaft 74, spiral threads 75, a second gear 76, a water spraying unit 8, an air collection chamber 81, a second air cylinder 82, a third air cylinder 83, a water storage tank 84 and a spray head 85.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the automatic fire safety alarm device of the invention comprises a work box 1, a motor 2 and a controller; the controller is used for controlling the fire safety automatic alarm device to work; the motor 2 is fixedly connected to the side wall of the working box 1, the output end of the motor penetrates through the side wall of the working box and is connected with a first gear 3, and the first gear 3 is located inside the working box 1; a spring 4 is arranged in the working box 1, the spring 4 consists of a first spring 41 and a second spring 42, and one end of the first spring 41 is fixedly connected with the inner wall of the working box 1; a sliding block 5 is arranged at the interface of the first spring 41 and the second spring 42, a through hole is formed in the sliding block 5, one end, which is not connected with the first spring 41, of the second spring 42 penetrates through the through hole to be fixedly connected with the inner wall of the working box 1, and the interface of the first spring 41 and the second spring 42 is positioned on the outer side of the through hole; the first gear 3 is contacted with the second spring 42, an air bag 43 is arranged between adjacent spring rings on the second spring 42, and two ends of the air bag 43 are fixedly connected with the adjacent spring rings; one end of the sliding block 5 is positioned in the working box 1, the other end of the sliding block penetrates through the top of the working box 1 and is fixedly connected with a placing plate 6, and the top of the working box 1 is provided with a slideway; the first gear 3 pokes the second spring 42 to compress the second spring 42 when rotating, the second spring 42 pulls the sliding block 5 to move back and forth on the sliding way when compressing, and the first spring 41 is used for resetting the sliding block; the top of the placing plate 6 is provided with a temperature sensor 61, a smoke sensor 62 and an audible and visual alarm 63, and the temperature sensor 61, the smoke sensor 62 and the audible and visual alarm 63 are all in one-way electric connection with the controller; according to the invention, the first gear 3 is driven to rotate by the rotation of the motor 2, the second spring 42 is stirred to compress the second spring 42 when the first gear 3 rotates, the second spring 42 is pulled to move on the slide way of the working box 1 when compressed, the placing plate 6 is driven to move when the sliding block 5 moves, and the temperature sensor 61 and the smoke sensor 62 at the top of the placing plate 6 are driven to horizontally move on the working box 1 when the placing plate 6 moves, so that the sensing ranges of the temperature sensor 61 and the smoke sensor 62 are enlarged, therefore, when a fire disaster occurs, the temperature sensor 61 and the smoke sensor 62 can sense the changes of air temperature and smoke concentration in time, so that the occurrence of the fire disaster is rapidly found, precious time is won for evacuation and survival of people, and the practicability of the equipment is improved.
As a specific embodiment of the present invention, one side of the spring 4 is provided with a sliding auxiliary unit 7, and the sliding auxiliary unit 7 is used for assisting the spring 4 to push the sliding block 5 to move; the sliding auxiliary unit 7 comprises a first air cylinder 71, a rotary disc 72, a shear fork 73 and a hollow shaft 74; the bottom of the first air cylinder 71 is fixedly connected with the inner wall of the working box 1, the rotary table 72 is rotatably connected with the working box 1, and the rotary table 72 is sleeved on the output end of the first air cylinder 71 and is in threaded transmission with the output end of the first air cylinder 71; the scissors 73 are positioned between the sliding block 5 and the rotating disc 72, spiral threads 75 are arranged on one side, close to the scissors 73, in the rotating disc 72, a second gear 76 is fixedly connected to one end, close to the rotating disc 72, of the scissors 73, the second gear 76 is in meshing transmission with the spiral threads 75, and one end, far away from the rotating disc 72, of the scissors 73 is in sliding connection with the sliding block 5; when the output end of the first air cylinder 71 extends out, the rotary disc 72 is driven to rotate, and the rotary disc 72 rotates to drive the second gear 76 to rotate, so that the scissor fork 73 is supported to push the sliding block 5 to move; one side of the slide block 5, which is far away from the scissor fork 73, is fixedly connected with the hollow shaft 74, and one end of the hollow shaft 74, which is far away from the slide block 5, is fixedly connected with the inner wall of the working box 1; the hollow shaft 74 is made of rubber materials, and the hollow shaft 74 is communicated with the first air cylinder 71; the second spring 42 compresses the hollow shaft 74 when the sliding block 5 is compressed and pulled to move, and gas discharged after the hollow shaft 74 is compressed enters the first air cylinder 42 to provide power for the first air cylinder 42; according to the invention, by designing the sliding auxiliary unit 7, the spring 4 can be assisted to push the sliding block 5 to move on the slideway of the working box 1, so that the moving speed of the placing plate 6 is increased; on one hand, the stability of the sliding block 5 moving on the slideway can be improved; on the other hand, the frequency of movement of the temperature sensor 61 and the smoke sensor 62 can be increased to better monitor the fire.
As a specific embodiment of the present invention, the surface of the spring 4 is coated with a layer of rubber sleeve, and the rubber sleeve is used for increasing the elasticity of the spring 4; according to the invention, the surface of the spring 4 is coated with the rubber sleeve, so that the elasticity of the spring 4 can be increased, the spring 4 can quickly drive the sliding block 5 to move, and the moving frequency of the temperature sensor 61 and the smoke sensor 62 is further improved.
As a specific embodiment of the present invention, the through hole of the slider 5 is filled with soap, and the soap is used for reducing friction between the spring 4 and the through hole and increasing the service life of the spring 4; according to the invention, the through hole on the sliding block 5 is filled with the soap, so that on one hand, the friction between the spring 4 and the through hole can be reduced; on the other hand, in the event of a fire, the soap protects the spring 4 from raising its temperature too quickly to cause the spring 4 to lose its elasticity.
As a specific embodiment of the present invention, a side of the audible and visual alarm 63 away from the smoke sensor 62 is provided with a water spraying unit 8, and the water spraying unit 8 sprays water in case of fire; the water spraying unit 8 comprises a gas collecting chamber 81, a vertical plate, a second cylinder 82, a third cylinder 83 and a water storage tank 84; the air collection chamber 84 is internally provided with an air pressure valve which is in one-way electric connection with the controller, gas discharged when the air bag 43 is compressed enters the air collection chamber 81 to be stored, the air collection chamber 81 is communicated with a second cylinder 82 and a third cylinder 83, the air collection chamber 81 and a vertical plate are fixedly connected with the support plate 6, the bottoms of the second cylinder 82 and the third cylinder 83 are fixedly connected onto the vertical plate, the second cylinder 82 and the third cylinder 83 are vertically arranged with the vertical plate, the second cylinder 82 and the third cylinder 83 are provided with control valves, the control valves are used for controlling the expansion amount of the output ends of the second cylinder 82 and the third cylinder 83, and the control valves are in one-way electric connection with the controller; the water storage tank 84 is fixedly connected with the output ends of the second air cylinder 82 and the third air cylinder 83, two ends of the water storage tank 84 are respectively provided with a spray head 85, and a booster pump is arranged in the water storage tank 84; according to the invention, by designing the water spraying unit 8, when a fire disaster occurs, water in the water storage tank 84 can be sprayed out through the spray head 85, so that the temperature and the smoke concentration of air are effectively reduced, the danger caused by overhigh temperature and excessively dense smoke for evacuating people is avoided, and when the fire disaster occurs, the controller can control the air pressure valve in the air collection chamber 81 to be opened, the gas in the air collection chamber 81 can enter the second cylinder 82 and the third cylinder 83, the output ends of the second cylinder 82 and the third cylinder 83 extend out to enlarge the working range of the spray head 85, and can also control the control valves on the second cylinder 82 and the third cylinder 83, so that the expansion amount of the output ends of the second cylinder 82 and the third cylinder 83 is controlled, the water spraying angle of the spray head 85 can be adjusted, and the working range of the spray head 85 is further enlarged.
In one embodiment of the present invention, the water stored in the water storage tank 84 is soap water or vegetable washing water, which can save water resources.
When the working box works, the working box 1 is fixed on a wall body, the motor 2 rotates anticlockwise to drive the first gear 3 to rotate, the first gear 3 stirs the second spring 42 to compress the second spring 42 when rotating, the second spring 42 pulls the sliding block 5 to move on the slide way of the working box 1 when compressing, so that the placing plate 6 is driven to move in the horizontal direction, and the temperature sensor 61, the smoke sensor 62 and the audible and visual alarm 63 on the placing plate 6 also move horizontally along with the placing plate 6 when the placing plate 6 moves; when the compression amount of the second spring 42 reaches the limit, the motor 1 rotates clockwise to enable the first gear 3 to rotate reversely, the first gear 3 pokes the second spring 42 to enable the second spring 42 to start to restore the original state, so that the temperature sensor 61, the smoke sensor 62 and the audible and visual alarm 63 on the placing plate 6 move reversely, the first spring 41 starts to compress, the horizontal movement of the temperature sensor 61, the smoke sensor 62 and the audible and visual alarm 63 can be realized through the forward and reverse rotation of the first gear 3, the working ranges of the temperature sensor 61, the smoke sensor 62 and the audible and visual alarm 63 are enlarged, and the fire is better monitored; when the second spring 42 is compressed, the air bag 43 is compressed, and the air which is compressed and discharged by the air bag 43 is stored in the air collection chamber 81; when the second spring 42 is compressed, the sliding block 5 moves to compress the hollow shaft 74, the gas compressed and discharged by the hollow shaft 74 enters the first air cylinder 71, the output end of the first air cylinder 71 extends out to drive the rotary table 72 to rotate, and when the rotary table 72 rotates, the spiral threads 75 on the rotary table 72 are meshed with the second gear 76 for transmission, so that the scissor fork 73 supports and pushes the sliding block 5 to move on the slide way, namely, the movement of the sliding block 5 is assisted, and on one hand, the movement stability of the sliding block 5 on the slide way can be improved; on the other hand, the moving frequency of the temperature sensor 61 and the smoke sensor 62 can be increased, so that the fire can be better monitored; therefore, when a fire disaster occurs, the temperature sensor 61 and the smoke sensor 62 can sense the change of the air temperature and the smoke concentration in time conveniently, so that the occurrence of the fire disaster can be found quickly, precious time is won for evacuation and survival seeking of people, and the practicability of the equipment is improved; when the smoke sensor 62 and the temperature sensor 61 sense the change of smoke concentration and temperature in the air, the temperature sensor 61 and the smoke sensor 62 further transmit signals to the controller for processing, the controller further processes data to judge whether a fire disaster occurs, when the fire disaster occurs, the controller firstly transmits the signals to the communication module, the communication module further contacts with a fire-fighting unit through a mobile network, so that fire fighters can quickly react to the fire disaster, the controller further controls the audible and visual alarm to give an alarm, thereby reminding surrounding people of the fire disaster, and facilitating the quick evacuation of the people; at this moment, the controller controls the air pressure valve to open so that gas in the gas collecting chamber 81 enters the second cylinder 82 and the third cylinder 83, the output end of the second cylinder 82 and the third cylinder 83 is driven to stretch out, the booster pump in the controller further controls the water storage tank 84 to enable water in the water storage tank 84 to be sprayed out from the spray head 85, so that the temperature and the smoke concentration of the air are effectively reduced, the danger of evacuation personnel caused by overhigh temperature and excessive smoke is avoided, the controller can further control the control valves on the second cylinder 82 and the third cylinder 83, the angle of water spray of the spray head 85 is adjusted, the spray head 85 can cool the temperature and reduce the smoke concentration at multiple angles, and the practicability of the equipment is further improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An automatic alarm device for fire safety comprises a work box (1), a motor (2) and a controller; the controller is used for controlling the work of the fire safety automatic alarm device, the top of the placing plate (6) is provided with a temperature sensor (61), a smoke sensor (62) and an audible and visual alarm (63), and the temperature sensor (61), the smoke sensor (62) and the audible and visual alarm (63) are all electrically connected with the controller in a one-way mode, and the fire safety automatic alarm device is characterized in that: the motor (2) is fixedly connected to the side wall of the working box (1), the output end of the motor penetrates through the side wall of the working box and is connected with a first gear (3), and the first gear (3) is located inside the working box (1); a spring (4) is arranged in the working box (1), the spring (4) consists of a first spring (41) and a second spring (42), and one end of the first spring (41) is fixedly connected with the inner wall of the working box (1); a sliding block (5) is arranged at the interface of the first spring (41) and the second spring (42), a through hole is formed in the sliding block (5), one end, which is not connected with the first spring (41), of the second spring (42) penetrates through the through hole to be fixedly connected with the inner wall of the working box (1), and the interface of the first spring (41) and the second spring (42) is positioned on the outer side of the through hole; the first gear (3) is in contact with the second spring (42), an air bag (43) is arranged between adjacent spring rings on the second spring (42), and two ends of the air bag (43) are fixedly connected with the adjacent spring rings; one end of the sliding block (5) is positioned in the working box (1), the other end of the sliding block penetrates through the top of the working box (1) and is fixedly connected with a placing plate (6), and the top of the working box (1) is provided with a slideway; the first gear (3) stirs the second spring (42) to compress the second spring (42) when rotating, the second spring (42) pulls the sliding block (5) to move back and forth on the sliding way when being compressed, and the first spring (41) is used for resetting the sliding block.
2. A fire safety automatic alarm device according to claim 1, characterized in that: a sliding auxiliary unit (7) is arranged on one side of the spring (4), and the sliding auxiliary unit (7) is used for assisting the spring (4) to push the sliding block (5) to move; the sliding auxiliary unit (7) comprises a first air cylinder (71), a rotary table (72), a shear fork (73) and a hollow shaft (74); the bottom of the first air cylinder (71) is fixedly connected with the inner wall of the working box (1), the rotary table (72) is rotatably connected with the working box (1), and the rotary table (72) is sleeved on the output end of the first air cylinder (71) and is in threaded transmission with the output end of the first air cylinder (71); the shear fork (73) is positioned between the sliding block (5) and the rotating disc (72), spiral grains (75) are formed in one side, close to the shear fork (73), of the rotating disc (72), a second gear (76) is fixedly connected to one end, close to the rotating disc (72), of the shear fork (73), the second gear (76) is in meshing transmission with the spiral grains (75), and one end, far away from the rotating disc (72), of the shear fork (73) is in sliding connection with the sliding block (5); when the output end of the first air cylinder (71) extends out, the rotary disc (72) is driven to rotate, and the rotary disc (72) rotates to drive the second gear (76) to rotate, so that the scissor fork (73) is supported to push the sliding block (5) to move; one side of the sliding block (5) far away from the shear fork (73) is fixedly connected with the hollow shaft (74), and one end of the hollow shaft (74) far away from the sliding block (5) is fixedly connected with the inner wall of the working box (1); the hollow shaft (74) is made of rubber materials, and the hollow shaft (74) is communicated with the first air cylinder (71); the second spring (42) compresses the hollow shaft (74) when the sliding block (5) is compressed and pulled to move, and gas exhausted after the hollow shaft (74) is compressed enters the first air cylinder (42) to provide power for the first air cylinder (42).
3. A fire safety automatic alarm device according to claim 2, characterized in that: the surface of the spring (4) is coated with a layer of rubber sleeve, and the rubber sleeve is used for increasing the elasticity of the spring (4).
4. A fire safety automatic alarm device according to claim 1, characterized in that: the through hole of the sliding block (5) is filled with soap, and the soap is used for reducing friction between the spring (4) and the through hole and prolonging the service life of the spring (4).
5. A fire safety automatic alarm device according to claim 1, characterized in that: a water spraying unit (8) is arranged on one side, away from the smoke sensor (62), of the audible and visual alarm (63), and the water spraying unit (8) sprays water when a fire disaster occurs; the water spraying unit (8) comprises a gas collecting chamber (81), a vertical plate, a second cylinder (82), a third cylinder (83) and a water storage tank (84); the air collecting chamber (84) is internally provided with an air pressure valve which is in one-way electric connection with the controller, gas discharged when the air bag (43) is compressed enters the air collecting chamber (81) to be stored, the air collecting chamber (81) is communicated with a second cylinder (82) and a third cylinder (83), the air collecting chamber (81) and a vertical plate are fixedly connected with the supporting plate (6), the bottoms of the second cylinder (82) and the third cylinder (83) are fixedly connected onto the vertical plate, the second cylinder (82) and the third cylinder (83) are vertically arranged with the vertical plate, the second cylinder (82) and the third cylinder (83) are provided with control valves, the control valves are used for controlling the expansion amount of the output ends of the second cylinder (82) and the third cylinder (83), and the control valves are in one-way electric connection with the controller; the water storage tank (84) is fixedly connected with the output ends of the second cylinder (82) and the third cylinder (83), spray heads (85) are arranged at two ends of the water storage tank (84), and a booster pump is arranged in the water storage tank (84).
6. A fire safety automatic alarm device according to claim 5, characterized in that: the water put into the water storage tank (84) is soap water or vegetable washing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350222.0A CN109523737B (en) | 2018-11-14 | 2018-11-14 | Fire safety automatic alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350222.0A CN109523737B (en) | 2018-11-14 | 2018-11-14 | Fire safety automatic alarm device |
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| Publication Number | Publication Date |
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| CN109523737A CN109523737A (en) | 2019-03-26 |
| CN109523737B true CN109523737B (en) | 2020-10-27 |
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| CN201811350222.0A Active CN109523737B (en) | 2018-11-14 | 2018-11-14 | Fire safety automatic alarm device |
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| EP0407261A1 (en) * | 1989-07-06 | 1991-01-09 | Hutchinson | Belt transmission tensioner |
| CN1973913A (en) * | 2006-11-29 | 2007-06-06 | 王秀梅 | Portable respirator |
| EP1947362A4 (en) * | 2005-11-08 | 2009-09-16 | Kayaba Industry Co Ltd | Single cylinder type hydraulic shock absorber for vehicle |
| CN205714901U (en) * | 2016-06-17 | 2016-11-23 | 南安昌晟消防科技有限公司 | fire pump joint |
| CN207386091U (en) * | 2017-09-01 | 2018-05-22 | 武汉安立杰机电设备工程有限公司 | A kind of cleaning apparatus for self of spraying system |
| CN207785726U (en) * | 2017-12-06 | 2018-08-31 | 苏闯 | A kind of automatic fire control safety alarm device |
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2018
- 2018-11-14 CN CN201811350222.0A patent/CN109523737B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0407261A1 (en) * | 1989-07-06 | 1991-01-09 | Hutchinson | Belt transmission tensioner |
| EP1947362A4 (en) * | 2005-11-08 | 2009-09-16 | Kayaba Industry Co Ltd | Single cylinder type hydraulic shock absorber for vehicle |
| CN1973913A (en) * | 2006-11-29 | 2007-06-06 | 王秀梅 | Portable respirator |
| CN205714901U (en) * | 2016-06-17 | 2016-11-23 | 南安昌晟消防科技有限公司 | fire pump joint |
| CN207386091U (en) * | 2017-09-01 | 2018-05-22 | 武汉安立杰机电设备工程有限公司 | A kind of cleaning apparatus for self of spraying system |
| CN207785726U (en) * | 2017-12-06 | 2018-08-31 | 苏闯 | A kind of automatic fire control safety alarm device |
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|---|---|
| CN109523737A (en) | 2019-03-26 |
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