CN111028462A - Automatic fire extinguishing alarm based on thermal imaging principle - Google Patents
Automatic fire extinguishing alarm based on thermal imaging principle Download PDFInfo
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- CN111028462A CN111028462A CN202010011337.8A CN202010011337A CN111028462A CN 111028462 A CN111028462 A CN 111028462A CN 202010011337 A CN202010011337 A CN 202010011337A CN 111028462 A CN111028462 A CN 111028462A
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- 238000001931 thermography Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 230000002146 bilateral effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
Abstract
The invention discloses an automatic fire-extinguishing alarm based on a thermal imaging principle, which comprises a working box and a base arranged at the lower side of the working box, wherein a motor is fixedly arranged in the base, the upper end surface of the motor is rotatably provided with a motor shaft which extends upwards into the working box, the motor shaft can drive the working box to rotate, and the right end surface of the upper side of the working box is fixedly provided with a thermal imager capable of detecting fire, so that the automatic fire-extinguishing alarm is novel equipment combining thermal imaging with a fire extinguisher, the thermal imager can monitor a fire source in the environment, when the thermal imager monitors the fire, the fire-extinguishing device can be pushed out to the center of the fire source to spray dry powder in a fire-extinguishing cavity to effectively extinguish the fire source, the alarm device can give an alarm at the first time of fire occurrence and give an alarm when the fire is emergently handled, so that the professional can arrive at the disaster site at the first time.
Description
Technical Field
The invention relates to the technical field of image communication, in particular to an automatic fire-extinguishing alarm based on a thermal imaging principle.
Background
The present invention relates to a household fire alarm, and more particularly, to a household fire alarm, which can only send out an alarm and spray water when smoke in a room is too large, but when the smoke is too large, the objects in the room are burned to a certain extent, which causes a great economic loss, and if the fire is caused by electrical appliances, the water is sprayed to extinguish the fire, which causes an explosion and a greater disaster.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic fire-extinguishing alarm based on a thermal imaging principle, and overcomes the problems.
The invention is realized by the following technical scheme.
An automatic fire extinguishing alarm based on a thermal imaging principle comprises a working box and a base arranged on the lower side of the working box, wherein a motor is fixedly arranged in the base, the upper end face of the motor is rotatably provided with a motor shaft which extends upwards into the working box, the motor shaft can drive the working box to rotate, the right end face of the upper side of the working box is fixedly provided with a thermal imager capable of detecting fire, a first cavity with a right opening is arranged in the working box, the left cavity wall of the first cavity is rotatably provided with a first rotating shaft, the outer end wall of the first rotating shaft is in threaded connection with a threaded sleeve, the outer end wall of the left side of the threaded sleeve is fixedly provided with a rectangular block which is abutted against the upper cavity wall and the lower cavity wall of the first cavity, the rectangular block can limit the threaded sleeve to slide left and right, the right end face of the threaded sleeve is fixedly provided with a fire extinguishing device positioned on the, the working box is internally provided with a second cavity positioned on the left side of the first cavity, an alarm device is arranged in the second cavity, the alarm device comprises alarm buttons fixedly connected to the left cavity wall on the upper side of the second cavity, the alarm buttons are arranged in a bilateral symmetry mode, and when the alarm buttons are knocked, the alarm buttons transmit electric signals to trigger the alarm device.
Furthermore, a third cavity and a fourth cavity which are positioned on the lower side of the first cavity are sequentially arranged in the working box, the motor shaft upwards penetrates through the fourth cavity and extends into the third cavity, a rotating wheel which is positioned in the fourth cavity is fixedly arranged on the motor shaft, a limiting groove which is opened towards the right is arranged in the rotating wheel, a fifth cavity which is positioned on the right side of the fourth cavity and is communicated with the fourth cavity is arranged in the working box, a limiting block which extends towards the right into the fifth cavity is arranged in the limiting groove in a sliding manner, the left end face of the limiting block is connected with the left cavity wall of the limiting groove through a first compression spring, when the limiting block is partially positioned in the fifth cavity, the limiting block can limit and drive the working box to rotate, a first electromagnet is fixedly arranged on the right cavity wall of the fifth cavity, a first metal sliding block which is positioned on the left side of the first electromagnet and is abutted to the right end face of the limiting block is arranged in the fifth cavity, the right end face of the first metal sliding block is connected with the left end face of the first electromagnet through a first extension spring, and when the first electromagnet is started, the limiting block slides leftwards into the limiting groove, so that the rotating wheel stops driving the working box to rotate.
Furthermore, the alarm device further comprises a second rotating shaft which is rotatably connected to the bottom wall of the working box, the second rotating shaft is positioned on the left side of the motor shaft, the second rotating shaft upwards penetrates through the third cavity and extends into the second cavity, the first rotating shaft leftwards extends into the second cavity, a first bevel gear positioned in the second cavity is fixedly arranged at the left end of the first rotating shaft, a second bevel gear meshed with the first bevel gear is fixedly arranged on the second rotating shaft, a rotating block positioned in the second cavity is fixedly arranged on the second rotating shaft, the rotating block and the alarm button are positioned at the same horizontal position, a knocking groove with a right opening is arranged in the rotating block, the knocking groove is bilaterally symmetrically arranged, a knocking block is arranged in the knocking groove in a sliding manner, and the left end face of the knocking block is connected with the left cavity wall of the knocking groove through a second extension spring, when the second rotating shaft rotates, the rotating block rotates, so that the knocking block slides out of the knocking groove, and the alarm button is knocked.
Further, a first belt wheel located in the third cavity is fixedly arranged on the motor shaft, the first belt wheel is connected with the second belt wheel through a belt in a transmission manner, a first sliding groove located on the upper side of the third cavity is arranged in the working box, the first sliding groove is communicated with the third cavity, a sliding block is arranged in the first sliding groove in a sliding manner, a rotating groove with a downward opening is formed in the sliding block, a rotating block is rotationally arranged in the rotating groove, the lower end face of the rotating block is connected with the lower cavity wall of the first sliding groove through a second compression spring, the lower end face of the rotating block is connected with the right end face of the first metal sliding block through a first pull rope, when the first metal sliding block slides leftwards, the first pull rope pulls the rotating block to slide downwards, the rotating block slides downwards to drive the sliding block to slide downwards, and the sliding block is abutted to the belt, thereby tensioning the belt and rotating the first belt wheel to drive the second belt wheel to rotate.
Furthermore, the fire extinguishing device comprises a fire extinguishing box fixedly connected to the right end face of the threaded sleeve, a fire extinguishing chamber with an upward opening is arranged in the fire extinguishing box, a sliding plate is arranged in the fire extinguishing chamber in a sliding manner, the lower end face of the sliding plate is connected with the bottom wall of the fire extinguishing chamber through a third compression spring, dry powder for fire extinguishing is fully piled on the upper surface of the sliding plate, a closed chamber on the left side of the fire extinguishing chamber is fixedly arranged on the upper side in the working box, the closed chamber is arranged in a bilateral symmetry manner and is communicated with the fire extinguishing chamber, a closed plate capable of sealing the upper opening of the fire extinguishing chamber is arranged in the closed chamber in a sliding manner, the left end face of the closed plate is connected with the left chamber wall of the closed chamber through a fourth compression spring, a sixth cavity on the lower side of the closed chamber is arranged in the fire extinguishing box, the sixth cavity is, and the lower end surface of the closed plate is fixedly provided with a top pressure rod which is abutted against the upper end surface of the sliding plate, and the top pressure rod extrudes the sliding plate to be positioned at the lower side in the fire extinguishing cavity, so that the dry powder for fire extinguishing is closed and arranged in the fire extinguishing cavity.
Furthermore, a second sliding groove located on the left side of the fire extinguishing cavity is formed in the fire extinguishing box, the second sliding groove is arranged in a bilateral symmetry mode, a second electromagnet is fixedly arranged on the bottom wall of the second sliding groove, a second metal sliding block located on the upper side of the second electromagnet is arranged in the second sliding groove in a sliding mode, the lower end face of the second metal sliding block is connected with the upper end face of the second electromagnet through a fifth compression spring, the upper end face of the second metal sliding block is connected with the left end face of the sealing plate through a second pull rope, when the fire extinguishing box slides to a place with the highest fire temperature, the second electromagnet is powered on to attract the second metal sliding block to slide downwards, so that the second pull rope is tensioned, the upper opening of the fire extinguishing cavity is opened, the sliding plate slides upwards to eject dry powder in the fire extinguishing cavity, and a fire extinguishing effect is achieved.
The invention has the beneficial effects that: the invention relates to a novel device combining thermal imaging with a fire extinguisher, wherein a thermal imager can monitor a fire source in the environment, when the thermal imager monitors the fire, a fire extinguishing device can be pushed out to the center of the fire source to spray dry powder in a fire extinguishing cavity to effectively extinguish the fire source, and an alarm device can give an alarm at the first time of the fire, give an alarm when emergently dealing with the fire, and enable professionals to arrive at the scene of the fire at the first time.
Drawings
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
FIG. 1 is a schematic diagram of the overall structure of an automatic fire-extinguishing alarm based on the thermal imaging principle according to the present invention;
FIG. 2 is a schematic bottom view of the third cavity 11 shown in FIG. 1;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic structural diagram at B in fig. 1.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1-4, an automatic fire extinguishing alarm based on thermal imaging principle comprises a work box 10 and a base 42 disposed at the lower side of the work box 10, wherein a motor 41 is fixedly disposed in the base 42, a motor shaft 43 extending upwards into the work box 10 is rotatably disposed at the upper end surface of the motor 41, the motor shaft 43 can drive the work box 10 to rotate, a thermal imager 26 capable of detecting fire is fixedly disposed at the right end surface of the upper side of the work box 10, a first cavity 25 with a right opening is disposed in the work box 10, a first rotating shaft 16 is rotatably disposed at the left cavity wall of the first cavity 25, a threaded sleeve 24 is threadedly connected to the outer end wall of the first rotating shaft 16, a rectangular block 23 abutted against the upper and lower cavity walls of the first cavity 25 is fixedly disposed at the outer end wall of the left side of the threaded sleeve 24, the rectangular block 23 can limit the left and right sliding of the threaded sleeve 24, a fire extinguishing device 61 disposed at the right side of the work box 10, the fire extinguishing device 61 can extinguish a fire in a place where the fire breaks out, the second cavity 59 located on the left side of the first cavity 25 is arranged in the work box 10, the alarm device 62 is arranged in the second cavity 59, the alarm device 62 comprises the alarm buttons 18 fixedly connected to the left cavity wall on the upper side of the second cavity 59, the alarm buttons 18 are arranged in a bilateral symmetry mode, and when the alarm buttons 18 are knocked, the alarm buttons 18 transmit electric signals to trigger the alarm device.
Beneficially, a third cavity 11 and a fourth cavity 50 located at the lower side of the first cavity 25 are sequentially arranged in the working box 10, the motor shaft 43 upwardly penetrates through the fourth cavity 50 and extends into the third cavity 11, a rotating wheel 51 located in the fourth cavity 50 is fixedly arranged on the motor shaft 43, a limiting groove 53 with a right opening is arranged in the rotating wheel 51, a fifth cavity 58 located at the right side of the fourth cavity 50 and communicated with the fourth cavity 50 is arranged in the working box 10, a limiting block 54 extending rightwards into the fifth cavity 58 is slidably arranged in the limiting groove 53, the left end surface of the limiting block 54 is connected with the left cavity wall of the limiting groove 53 through a first compression spring 52, when the limiting block 54 is partially located in the fifth cavity 58, the limiting block 54 can limit the driving of the working box 10 to rotate, a first electromagnet 57 is fixedly arranged on the right cavity wall of the fifth cavity 58, a first metal sliding block 55 which is located on the left side of the first electromagnet 57 and is abutted to the right end face of the limiting block 54 is arranged in the fifth cavity 58, the right end face of the first metal sliding block 55 is connected with the left end face of the first electromagnet 57 through a first extension spring 56, and when the first electromagnet 57 is started, the limiting block 54 slides into the limiting groove 53 leftwards, so that the rotating wheel 51 stops driving the working box 10 to rotate.
Beneficially, the alarm device 62 further includes a second rotating shaft 14 rotatably connected to the bottom wall of the work box 10, the second rotating shaft 14 is located at the left side of the motor shaft 43, the second rotating shaft 14 upwardly penetrates through the third cavity 11 and extends into the second cavity 59, the first rotating shaft 16 extends leftwards into the second cavity 59, a first bevel gear 17 located in the second cavity 59 is fixedly arranged at the left end of the first rotating shaft 16, a second bevel gear 15 engaged with the first bevel gear 17 is fixedly arranged on the second rotating shaft 14, a rotating block 22 located in the second cavity 59 is fixedly arranged on the second rotating shaft 14, the rotating block 22 and the alarm button 18 are located at the same horizontal position, a right-opening knocking groove 20 is arranged in the rotating block 22, the knocking grooves 20 are symmetrically arranged leftwards and rightwards, a knocking block 19 is slidably arranged in the knocking groove 20, the left end face of the knocking block 19 is connected with the left cavity wall of the knocking groove 20 through a second extension spring 21, and when the second rotating shaft 14 rotates, the rotating block 22 rotates, so that the knocking block 19 slides out of the knocking groove 20, and the alarm button 18 is knocked.
Advantageously, a first pulley 40 located in the third cavity 11 is fixedly arranged on the motor shaft 43, the first pulley 40 is in transmission connection with the second pulley 13 through a belt 12, a first sliding groove 47 located on the upper side of the third cavity 11 is arranged in the work box 10, the first sliding groove 47 is communicated with the third cavity 11, a sliding block 44 is slidably arranged in the first sliding groove 47, a downward-opening rotating groove 45 is arranged in the sliding block 44, a rotating block 46 is rotatably arranged in the rotating groove 45, the lower end surface of the rotating block 46 is connected with the lower cavity wall of the first sliding groove 47 through a second compression spring 49, the lower end surface of the rotating block 46 is connected with the right end surface of the first metal sliding block 55 through a first pulling rope 48, when the first metal sliding block 55 slides leftwards, the first pulling rope 48 pulls the rotating block 46 to slide downwards, the rotating block 46 slides downwards to drive the sliding block 44 to slide downwards, the slider 44 is brought into contact with the belt 12, so that the belt 12 is tensioned, and the first pulley 40 rotates to rotate the second pulley 13.
Beneficially, the fire extinguishing apparatus 61 includes a fire extinguishing box 39 fixedly connected to the right end face of the threaded sleeve 24, a fire extinguishing chamber 38 with an upward opening is arranged in the fire extinguishing box 39, a sliding plate 36 is slidably arranged in the fire extinguishing chamber 38, the lower end face of the sliding plate 36 is connected with the bottom wall of the fire extinguishing chamber 38 through a third compression spring 37, the upper surface of the sliding plate 36 is full of dry powder for fire extinguishing, a closed chamber 27 located on the left side of the fire extinguishing chamber 38 is fixedly arranged on the upper side in the work box 10, the closed chambers 27 are symmetrically arranged in the left and right, the closed chambers 27 are communicated with the fire extinguishing chamber 38, a closing plate 29 capable of closing the upper opening of the fire extinguishing chamber 38 is slidably arranged in the closed chamber 27, the left end face of the closing plate 29 is connected with the left chamber wall of the closed chamber 27 through a fourth compression spring 28, a sixth cavity 65 located on the lower side of the closed chamber 27, the sixth cavity 65 is arranged in bilateral symmetry and is communicated with the fire extinguishing cavity 38, the top pressure rod 30 abutted to the upper end face of the sliding plate 36 is fixedly arranged on the lower end face of the closing plate 29, and the top pressure rod 30 extrudes the sliding plate 36 to be positioned on the inner lower side of the fire extinguishing cavity 38, so that dry powder for fire extinguishing is closed and arranged in the fire extinguishing cavity 38.
Beneficially, a second chute 34 located on the left side of the fire extinguishing chamber 38 is arranged in the fire extinguishing chamber 39, the second chute 34 is arranged in bilateral symmetry, a second electromagnet 35 is fixedly arranged on the bottom wall of the second chute 34, a second metal slide block 32 located on the upper side of the second electromagnet 35 is slidably arranged in the second chute 34, the lower end surface of the second metal slide block 32 is connected with the upper end surface of the second electromagnet 35 through a fifth compression spring 33, the upper end surface of the second metal slide block 32 is connected with the left end surface of the closing plate 29 through a second pull rope 31, when the fire extinguishing chamber 39 slides to a place with the highest fire temperature, the second electromagnet 35 electrically attracts the second metal slide block 32 to slide downwards, so as to pull the second pull rope 31, open the upper opening of the fire extinguishing chamber 38, so that the sliding plate 36 slides upwards to eject the dry powder in the fire extinguishing chamber 38, thereby playing a role of fire extinguishing.
Sequence of mechanical actions of the whole device:
the initial state of the invention is as follows: the first compression spring 52 is in a relaxed state, the first electromagnet 57 is not started, the first extension spring 56 is in a relaxed state, the limiting block 54 is partially positioned in the fifth cavity 58, the first pull rope 48 is in a relaxed state, the second compression spring 49 is in a relaxed state, the sliding block 44 is positioned on the upper cavity wall in the first sliding groove 47, the belt 12 is in a relaxed state, the second extension spring 21 is in a relaxed state, the knocking block 19 is positioned in the knocking groove 20, the third compression spring 37 is in a compressed state, the second electromagnet 35 is not started, the fifth compression spring 33 is in a relaxed state, the second pull rope 31 is in a relaxed state, the fourth compression spring 28 is in a relaxed state, and the closing plate 29 closes the upper opening of the fire extinguishing cavity 38;
1. when the fire monitoring device is used for monitoring safety, the motor 41 is started to drive the motor shaft 43 to rotate, the motor shaft 43 rotates to drive the working box 10 to rotate, the working box 10 rotates to drive the thermal imager 26 to rotate, and the fire occurrence condition is monitored through the thermal imager 26;
2. when the thermal imaging instrument 26 detects that a fire disaster occurs at a certain position, the thermal imaging instrument 26 transmits an electric signal to the first electromagnet 57, the first electromagnet 57 is electrified to repel the first metal sliding block 55, the first metal sliding block 55 is repelled to slide leftwards, the first metal sliding block 55 slides leftwards to drive the limiting block 54 to slide leftwards, the limiting block 54 slides leftwards to enter the limiting groove 53, so that the rotating wheel 51 rotates in the fourth cavity 50, the working box 10 stops being driven to rotate, and the fire extinguishing device 61 is opposite to the fire source position;
3. the first metal sliding block 55 slides leftwards to tighten the first pulling rope 48, the first pulling rope 48 is tightened to pull the rotating block 46 to slide downwards, the rotating block 46 slides downwards to drive the sliding block 44 to slide downwards, and the sliding block 44 slides downwards to abut against the belt 12, so that the belt 12 is in a tensioned state;
4. the motor shaft 43 rotates to drive the first belt wheel 40 to rotate, the first belt wheel 40 is in transmission connection with the second belt wheel 13 through the belt 12, the belt 12 is in a tensioning state, the first belt wheel 40 rotates to drive the second belt wheel 13 to rotate, the second belt wheel 13 rotates to drive the second rotating shaft 14 to rotate, the second rotating shaft 14 rotates to drive the rotating block 22 to rotate, the rotating block 22 rotates to enable the knocking block 19 to slide out of the knocking groove 20 to knock the alarm button 18, and when the alarm button 18 is knocked, the alarm button 18 sends an alarm signal to give an alarm;
5. the second rotating shaft 14 rotates to drive the second bevel gear 15 to rotate, because the second bevel gear 15 is meshed with the first bevel gear 17, the first bevel gear 17 rotates to drive the first rotating shaft 16 to rotate, the first rotating shaft 16 rotates to enable the threaded sleeve 24 to slide rightwards under the action of the rectangular block 23, the threaded sleeve 24 slides rightwards to drive the fire extinguishing box 39 to slide rightwards, when the fire extinguishing box 39 slides rightwards to the highest fire temperature, the motor 41 stops starting, the second electromagnet 35 is electrified to attract the second metal sliding block 32 to slide downwards, the second metal sliding block 32 slides downwards to tighten the second pull rope 31, when the second pull rope 31 is tightened, the second pull rope 31 pulls the closing plate 29 to slide into the closing cavity 27, the upper opening of the fire extinguishing cavity 38 is opened, the closing plate 29 slides leftwards to drive the jacking rod 30 to slide leftwards, the jacking rod 30 slides leftwards to tighten into the sixth cavity 65, thereby stopping pressing the sliding plate 36, the third compression spring 37 is reset to make the sliding plate 36 slide upwards, the sliding plate 36 slides upwards to spray the dry powder in the fire extinguishing chamber 38, thereby performing the fire extinguishing function.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic fire extinguishing alarm based on thermal imaging principle, includes the work box and set up in the base of work box downside, its characterized in that: a motor is fixedly arranged in the base, a motor shaft which extends upwards into the working box is rotatably arranged on the upper end face of the motor, the motor shaft can drive the working box to rotate, a thermal imager capable of detecting fire is fixedly arranged on the right end face of the upper side of the working box, a first cavity with a right opening is arranged in the working box, a first rotating shaft is rotatably arranged on the left cavity wall of the first cavity, a threaded sleeve is connected to the outer end wall of the first rotating shaft in a threaded manner, a rectangular block which is abutted against the upper cavity wall and the lower cavity wall of the first cavity is fixedly arranged on the outer end wall of the left side of the threaded sleeve, the rectangular block can limit the threaded sleeve to slide left and right, a fire extinguishing device positioned on the right side of the working box is fixedly arranged on the right end face of the threaded sleeve, the fire extinguishing device can extinguish fire in a place where the fire occurs, a second cavity positioned on the, the alarm device comprises alarm buttons fixedly connected to the left cavity wall on the upper side of the second cavity, the alarm buttons are arranged in bilateral symmetry, and when the alarm buttons are knocked, the alarm buttons transmit electric signals to trigger the alarm device.
2. An automatic fire-extinguishing alarm based on thermal imaging principle according to claim 1, characterized in that: a third cavity and a fourth cavity which are positioned on the lower side of the first cavity are sequentially arranged in the working box, the motor shaft upwards penetrates through the fourth cavity and extends into the third cavity, a rotating wheel which is positioned in the fourth cavity is fixedly arranged on the motor shaft, a limiting groove which is opened towards the right is arranged in the rotating wheel, a fifth cavity which is positioned on the right side of the fourth cavity and is communicated with the fourth cavity is arranged in the working box, a limiting block which extends towards the right into the fifth cavity is arranged in the limiting groove in a sliding manner, the left end surface of the limiting block is connected with the left cavity wall of the limiting groove through a first compression spring, when the limiting block is partially positioned in the fifth cavity, the limiting block can limit and drive the working box to rotate, a first electromagnet is fixedly arranged on the right cavity wall of the fifth cavity, and a first metal sliding block which is positioned on the left side of the first electromagnet and is abutted to the right end surface of the limiting block is arranged in the, the right end face of the first metal sliding block is connected with the left end face of the first electromagnet through a first extension spring, and when the first electromagnet is started, the limiting block slides leftwards into the limiting groove, so that the rotating wheel stops driving the working box to rotate.
3. An automatic fire-extinguishing alarm based on thermal imaging principle according to claim 1, characterized in that: the alarm device further comprises a second rotating shaft which is rotatably connected to the bottom wall of the working box, the second rotating shaft is positioned on the left side of the motor shaft, the second rotating shaft upwards penetrates through the third cavity and extends into the second cavity, the first rotating shaft leftwards extends into the second cavity, a first bevel gear which is positioned in the second cavity is fixedly arranged at the left end of the first rotating shaft, a second bevel gear which is meshed with the first bevel gear is fixedly arranged on the second rotating shaft, a rotating block which is positioned in the second cavity is fixedly arranged on the second rotating shaft, the rotating block and the alarm button are positioned at the same horizontal position, a knocking groove which is opened towards the right is arranged in the rotating block, the knocking groove is bilaterally symmetrically arranged, a knocking block is slidably arranged in the knocking groove, and the left end face of the knocking block is connected with the left cavity wall of the knocking groove through a second extension spring, when the second rotating shaft rotates, the rotating block rotates, so that the knocking block slides out of the knocking groove, and the alarm button is knocked.
4. A fire suppression alarm based on thermal imaging principles according to claim 3 wherein: a first belt wheel positioned in the third cavity is fixedly arranged on the motor shaft, the first belt wheel is connected with the second belt wheel through belt transmission, a first sliding groove positioned on the upper side of the third cavity is arranged in the working box, the first sliding groove is communicated with the third cavity, a sliding block is arranged in the first sliding groove in a sliding manner, a rotating groove with a downward opening is formed in the sliding block, a rotating block is arranged in the rotating groove in a rotating manner, the lower end face of the rotating block is connected with the lower cavity wall of the first sliding groove through a second compression spring, the lower end face of the rotating block is connected with the right end face of the first metal sliding block through a first pull rope, when the first metal sliding block slides leftwards, the first pull rope pulls the rotating block to slide downwards, the rotating block slides downwards to drive the sliding block to slide downwards, so that the sliding block is abutted against the belt, and the belt is tensioned, the first belt wheel rotates to drive the second belt wheel to rotate.
5. An automatic fire-extinguishing alarm based on thermal imaging principle according to claim 1, characterized in that: the fire extinguishing device comprises a fire extinguishing box fixedly connected to the right end face of the threaded sleeve, a fire extinguishing cavity with an upward opening is arranged in the fire extinguishing box, a sliding plate is arranged in the fire extinguishing cavity in a sliding mode, the lower end face of the sliding plate is connected with the bottom wall of the fire extinguishing cavity through a third compression spring, dry powder for fire extinguishing is fully piled on the upper surface of the sliding plate, a closed cavity on the left side of the fire extinguishing cavity is fixedly arranged on the upper side in the working box and is arranged in a bilateral symmetry mode, the closed cavity is communicated with the fire extinguishing cavity, a closing plate capable of closing the upper opening of the fire extinguishing cavity is arranged in the closed cavity in a sliding mode, the left end face of the closing plate is connected with the left cavity wall of the closed cavity through a fourth compression spring, a sixth cavity on the lower side of the closed cavity is arranged in the fire extinguishing box and is arranged in a bilateral symmetry mode and is communicated with the fire extinguishing cavity, and a jacking rod, the top pressure rod extrudes the sliding plate to be positioned at the lower side in the fire extinguishing cavity, so that the dry powder for fire extinguishing is arranged in the fire extinguishing cavity in a closed manner.
6. An automatic fire-extinguishing alarm based on thermal imaging principle according to claim 5, characterized in that: the fire extinguishing chamber is internally provided with a second sliding groove which is positioned on the left side of the fire extinguishing chamber, the second sliding groove is arranged in a bilateral symmetry mode, the bottom wall of the second sliding groove is fixedly provided with a second electromagnet, a second metal sliding block which is positioned on the upper side of the second electromagnet is arranged in the second sliding groove in a sliding mode, the lower end face of the second metal sliding block is connected with the upper end face of the second electromagnet through a fifth compression spring, the upper end face of the second metal sliding block is connected with the left end face of the sealing plate through a second pull rope, when the fire extinguishing chamber slides to a place with the highest fire temperature, the second electromagnet is electrified to attract the second metal sliding block to slide downwards, so that the second pull rope is tensioned, the upper opening of the fire extinguishing chamber is opened, the sliding plate slides upwards to eject dry powder in the fire extinguishing chamber, and a fire extinguishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011337.8A CN111028462B (en) | 2020-01-06 | 2020-01-06 | Automatic fire extinguishing alarm based on thermal imaging principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011337.8A CN111028462B (en) | 2020-01-06 | 2020-01-06 | Automatic fire extinguishing alarm based on thermal imaging principle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111028462A true CN111028462A (en) | 2020-04-17 |
| CN111028462B CN111028462B (en) | 2020-11-06 |
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| CN202010011337.8A Active CN111028462B (en) | 2020-01-06 | 2020-01-06 | Automatic fire extinguishing alarm based on thermal imaging principle |
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