CN115147997A - Three-in-one smoke alarm - Google Patents
Three-in-one smoke alarm Download PDFInfo
- Publication number
- CN115147997A CN115147997A CN202210790956.0A CN202210790956A CN115147997A CN 115147997 A CN115147997 A CN 115147997A CN 202210790956 A CN202210790956 A CN 202210790956A CN 115147997 A CN115147997 A CN 115147997A
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- 239000000779 smoke Substances 0.000 title claims abstract description 86
- 230000017105 transposition Effects 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 20
- 238000013016 damping Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 10
- 210000000056 organ Anatomy 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005485 electric heating Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 claims 1
- 238000005034 decoration Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 7
- 230000001960 triggered effect Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 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
- G08B17/10—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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- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a three-in-one smoke alarm, which comprises a main shell, a top cover and a hoisting seat, wherein the main shell, the top cover and a hoisting seat form an alarm main body, an infrared sensor is arranged on the outer wall of the top cover, a smoke sensor is arranged on the inner wall of the top cover, the smoke sensor is electrically connected with a main electric contact piece on an electric contact plate, the main electric contact piece is electrically connected with a first buzzer, the main shell and the top cover are in through connection, a temperature sensor is movably arranged in a through groove between the main shell and the top cover, the temperature sensor is connected to the main shell through a first spring, a movable electric contact piece capable of moving along with the temperature is arranged on the temperature sensor, the movable electric contact piece is electrically connected with the main electric contact piece when the external environment is abnormally high in temperature, and is electrically connected with a transposition electric contact piece when the temperature is room; the smoke alarm provided by the invention is an alarm integrating smoke, temperature and infrared, can judge whether a fire disaster really occurs or not, can effectively avoid false alarm caused by decoration, and ensures the stability of a fire-fighting system.
Description
Technical Field
The invention relates to the technical field of alarm devices, in particular to a three-in-one smoke alarm.
Background
The smoke alarm is a basic terminal device of a fire-fighting system, generally, the smoke concentration in the air is detected, and the smoke concentration is used as a trigger condition of an alarm mechanism, so that when a fire disaster occurs, the alarm is timely warned, the smoke alarm is effectively guaranteed to be extinguished at the initial stage of the fire disaster, and the loss caused by the fire disaster is reduced.
The alarm of unifying more at present becomes the mainstream gradually, and along with the development of technique, the function is more and more abundant, not only can monitor the smoke and dust, can also carry out further monitoring to the environment through infrared mechanism, temperature measuring mechanism etc. reaches more comprehensive early warning effect. However, the core function of the combined smoke alarm is to use the smoke concentration as the main factor of the alarm. Therefore, the applicability of the existing smoke alarm is much poorer in the air environment with larger dust, and particularly in some newly delivered residences and office buildings, large-area decoration conditions exist, so that the smoke alarm is easily triggered by the decorated dust to cause false alarm and confusion of a fire fighting system.
Disclosure of Invention
The invention aims to provide a three-in-one smoke alarm to achieve the purposes of preventing false alarm and reducing loss, and to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a trinity smoke alarm, includes main shell, top cap and hoist and mount seat, and the three constitutes the alarm main part, install infrared sensor on the outer wall of top cap, and install smoke sensor on the inner wall of top cap, smoke sensor and the main electric connection piece electric connection that connects on the electricity board, and main electric connection piece and first buzzer electric connection, main shell and top cap through connection, and the activity is provided with temperature sensor in both's the through groove, and temperature sensor passes through first spring coupling on the main shell, be provided with the movable electric connection piece that connects that can remove along with the temperature on the temperature sensor, movable electric connection piece and main electric connection piece electric connection when external unusual high temperature, with transposition electric connection piece electric connection when the room temperature, transposition electric connection piece and electromagnet electric connection, and fixed mounting has the magnetic path on the temperature sensor, fixed mounting has second buzzer in the main shell, and is provided with the annular electric connection piece on the second buzzer, fixed mounting has the electric connection pole on the temperature sensor, and temperature sensor is connected on having the dustproof construction that has speed reduction reset function, realizes the effect that top cap passageway seals, temperature sensor blocks through dustproof construction, be provided with fan and the ventilation hole on the main shell, and connect in the buzzer circuit of second buzzer circuit.
Preferably, top cap and hoisting seat are connected respectively in the both sides of main casing, and the three is hollow shell structure, be provided with the installation cavity in the main casing, and be provided with the response passageway on the top cap, and be provided with ventilation passageway and hoist and mount piece on the hoisting seat, the alarm main part is installed on the ceiling of building through hoist and mount piece, and the top cap sets up down.
Preferably, the smoke sensor, the power receiving plate and the first buzzer are arranged on the inner wall of the top cover in a straight line, the temperature sensor is located below the power receiving plate, the main power receiving piece and the transposition power receiving piece are arranged on the power receiving plate side by side, and the transposition power receiving piece is located on the periphery of the main power receiving piece.
Preferably, the movable power connection piece is installed in a guide rail on the surface of the temperature sensor, a second spring is fixedly connected to the movable power connection piece, the second spring is fixedly connected to the bottom plate, a pull rope is fixedly connected to the movable power connection piece, the pull rope is connected to the winding shaft, a rotating wheel is fixedly installed on the winding shaft, a temperature sensing pushing piece is fixedly installed on the temperature sensor, a pushing plate is connected to the temperature sensing pushing piece, and the pushing plate is connected with the rotating wheel in a driving mode.
Preferably, the bottom of the movable electric connecting piece is provided with a cable with enough length, the second spring is an insulating spring, the winding shaft is vertically and rotatably mounted on the temperature sensor, the rotating wheel is mounted at the end of the winding shaft, the pull rope is wound on the winding shaft, and the temperature sensing pushing piece is internally provided with a memory alloy rod connected with the pushing plate.
Preferably, the magnetic block is fixedly installed at the bottom of the temperature sensor, the electromagnet is located below the magnetic block and fixed at the bottom of the main shell, the second buzzer is located below the temperature sensor, the first spring is connected between the magnetic block and the temperature sensor, and the insertion hole in the middle of the annular electric connection piece is located on a moving track of the electric connection rod.
Preferably, dustproof construction is including the shield plate of slidable mounting between main shell and top cap, and fixedly connected with third spring on the shield plate, fixedly connected with driving rope on the shield plate, and driving rope slidable mounting is in the uide bushing, and uide bushing fixed mounting is in main shell, fixedly connected with damping lever on the shield plate, and damping lever swing joint is in the speed reduction sleeve of main shell.
Preferably, shield plate swing joint is in the groove that shields that sets up on the top cap, and the shield plate is provided with a plurality ofly to the response passageway on the top cap, the shield plate bottom is provided with the layer board, and driving rope and third spring all connect on the layer board, the vertical connection of damping rod is in the bottom of shield plate, and is provided with the speed reduction ring on the outer wall of damping rod, and the inseparable contact of speed reduction ring is connected on the inner wall of speed reduction cover, the driving rope passes through the uide bushing and connects on temperature sensor after turning to.
Preferably, the ventilation hole sets up the bottom surface at the main casing, has carried out the intercommunication of main casing and hoisting seat, and the fan is installed in the ventilation hole, all be provided with the groove of blowing on main casing and the top cap, carried out intercommunication between them.
Compared with the prior art, the invention has the beneficial effects that:
1. the smoke alarm is a smoke, temperature and infrared three-in-one alarm, the smoke temperature can be detected while the smoke concentration is sensed under general conditions, whether a fire really occurs or not is judged, if the fire really occurs, the alarm can be rapidly given out, if the smoke concentration is increased due to dust instead of the fire really occurring, the alarm cannot be given out and closed, the situation that false alarm is caused by smoke is avoided, and the alarm is switched into a temperature alarm mode by moving the temperature sensor, so that the false alarm caused by decoration can be effectively avoided, and the stability of a fire-fighting system is ensured;
2. when the alarm detects low-temperature smoke dust, the temperature sensor can be prevented from false alarm when moving downwards, the dustproof structure can be started, the top cover is sealed by the dustproof structure, the fan is powered on, wind power is generated through the fan, dust is further prevented from entering, the frequency of triggering the smoke sensor is reduced, and the loss of the alarm in a low-temperature dust environment is reduced.
Drawings
FIG. 1 is a schematic view of the closed state of the present invention;
FIG. 2 is a schematic view of the open state of the present invention;
FIG. 3 is a bottom schematic view of the structure of the present invention;
FIG. 4 is an exploded view of the structure of the present invention;
FIG. 5 is a schematic diagram of a first alarm configuration of the present invention;
FIG. 6 is a schematic diagram of the temperature sensor structure of the present invention;
FIG. 7 is a schematic diagram of the temperature sensor power connection structure according to the present invention;
FIG. 8 is a schematic view of an ash protection structure according to the present invention;
FIG. 9 is a schematic view of the structure of the lifting base of the present invention;
FIG. 10 is a logical relationship diagram of the alarm structure of the present invention.
In the figure: the device comprises a main shell 1, a top cover 2, a hoisting base 3, an infrared sensor 4, a smoke sensor 5, a power connection plate 6, a main power connection piece 7, a first buzzer 8, a first spring 9, a temperature sensor 10, a guide rail 11, a movable power connection piece 12, a second spring 13, a bottom plate 14, a pull rope 15, a winding shaft 16, a rotating wheel 17, a pushing plate 18, a temperature sensing pushing piece 19, a transposition power connection piece 20, a magnetic block 21, an electromagnet 22, a second buzzer 23, an annular power connection piece 24, a power connection rod 25, a driving rope 26, a guide sleeve 27, a shielding plate 28, a third spring 29, a damping rod 30, a speed reducing sleeve 31, a ventilation hole 32, a fan 33, an air blowing groove 34 and a shielding groove 35.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below may be arbitrarily combined to form a new embodiment without conflict, and it should be understood that the described embodiments are only a part of the embodiments, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a trinity smoke alarm, including main shell 1, top cap 2 and hoist and mount seat 3, the three constitutes the alarm main part, install infrared sensor 4 on the outer wall of top cap 2, and install smoke sensor 5 on the inner wall of top cap 2, smoke sensor 5 and connect main electricity connection piece 7 electric connection on the electroplax 6, and main electricity connection piece 7 and first bee calling organ 8 electric connection, main shell 1 and top cap 2 through connection, and the activity is provided with temperature sensor 10 in the both through groove, and temperature sensor 10 connects on main shell 1 through first spring 9, be provided with the movable electricity connection piece 12 that can remove along with the temperature on the temperature sensor 10, movable electricity connection piece 12 and main electricity connection piece 7 electric connection when the external unusual high temperature, connect electricity connection piece 20 electric connection with transposition piece at room temperature, connect electricity transposition piece 20 and electro-magnet 22 electric connection, and fixed mounting has magnetic path 21 on the temperature sensor 10, fixed mounting has second bee calling organ 23 in main shell 1, and be provided with annular electricity connection piece 24 on the second bee calling organ 23, fixed mounting has electricity connection pole 25 on the temperature sensor 10, and temperature sensor 10 is connected with dustproof structure that has the reset function, the fan realizes the effect of the sealed fan on the second bee calling organ 23, and the dustproof structure of fan 3, the sealed fan 23 is provided with the second bee calling organ 3, the sealed fan 3 in the second bee calling organ 3, the dustproof structure, the sealed fan 23 of the fan structure, and is provided with the sealed shell 3.
As shown in fig. 10, the smoke alarm of the present invention is a smoke, temperature and infrared triple-type alarm, and generally can detect the temperature of smoke while sensing the smoke concentration, determine whether a fire really occurs, if the fire really occurs, alarm can be rapidly performed, if the smoke concentration is increased due to dust instead of the fire really occurring, alarm will not be performed and the alarm will be closed, so as to avoid the situation of false alarm due to smoke, and the alarm is switched to a temperature alarm mode by moving the temperature sensor 10;
the top cover 2 and the hoisting seat 3 are respectively connected to two sides of the main shell 1 and are of hollow shell structures, an installation cavity is formed in the main shell 1, an induction channel is formed in the top cover 2, a ventilation channel and a hoisting piece are arranged on the hoisting seat 3, the alarm main body is installed on a ceiling of a building through the hoisting piece, and the top cover 2 faces downwards;
according to the smoke alarm, the main body structure is formed by the main shell 1, the top cover 2 and the lifting seat 3, the smoke alarm can be integrally installed on a ceiling of a building for use through the lifting seat 3, the top cover 2 is arranged downwards, the infrared sensor 4 on the smoke alarm can perform infrared detection in an area below the alarm, and the smoke alarm is provided with the internet of things component, so that a person sends information to an owner of the alarm to warn when passing through the smoke alarm;
the smoke sensor 5, the power connection plate 6 and the first buzzer 8 are arranged on the inner wall of the top cover 2 in a straight line, the temperature sensor 10 is positioned below the power connection plate 6, the main power connection piece 7 and the transposition power connection piece 20 are arranged on the power connection plate 6 in parallel, and the transposition power connection piece 20 is positioned on the periphery of the main power connection piece 7;
a main shell 1 of the alarm is provided with a two-in-one smoke and temperature dual detection structure, only when smoke triggers a smoke sensor 5, a temperature sensor 10 is triggered, and the first buzzer 8 can sound to alarm, firstly, in a normal room temperature environment, the temperature sensor 10 is propped against an electric connection plate 6 by a first spring 9, a movable electric connection piece 12 on the temperature sensor is connected to a transposition electric piece 20, the temperature sensor 10 is connected to a circuit of an electromagnet 22, but not in the circuit of the first buzzer 8, when decoration and other conditions occur, dust or smoke enters a top cover 2, the smoke sensor 5 can be triggered, the electromagnet 22 is instantly electrified, suction is generated on a magnetic block 21, the temperature sensor 10 is driven to rapidly move downwards, the movable electric connection piece 12 is separated from the electric connection plate 6, a rod 25 on the temperature sensor 10 is connected with an annular piece 24 of a second buzzer 23 and is connected to the circuit of the second buzzer 23, the single temperature sensor 10 is used as an alarm detection structure, and the alarm cannot be mistakenly alarmed due to pure dust;
the movable electric connecting piece 12 is arranged in a guide rail 11 on the surface of the temperature sensor 10, a second spring 13 is fixedly connected to the movable electric connecting piece 12, the second spring 13 is fixedly connected to a bottom plate 14, a pull rope 15 is fixedly connected to the movable electric connecting piece 12, the pull rope 15 is connected to a winding shaft 16, a rotating wheel 17 is fixedly arranged on the winding shaft 16, a temperature sensing pushing piece 19 is fixedly arranged on the temperature sensor 10, a pushing plate 18 is connected to the temperature sensing pushing piece 19, and the pushing plate 18 is in driving connection with the rotating wheel 17;
when a fire disaster occurs, high-temperature smoke enters the top cover 2 and can simultaneously trigger the smoke sensor 5 and the temperature sensor 10, so that the first buzzer 8 gives out alarm sound;
the bottom of the movable electric connecting piece 12 is provided with a cable with enough length, the second spring 13 is an insulating spring, the winding shaft 16 is vertically and rotatably arranged on the temperature sensor 10, the rotating wheel 17 is arranged at the end part of the winding shaft 16, the pull rope 15 is wound on the winding shaft 16, and the temperature sensing pushing piece 19 is internally provided with a memory alloy rod connected with the pushing plate 18;
specifically, high temperature is transmitted to the temperature sensing pushing piece 19, so that the temperature sensing pushing piece 19 pushes the pushing plate 18, the pushing plate 18 drives the rotating wheel 17 to rotate, the winding shaft 16 can rotate to wind the pull rope 15 on the winding shaft, the movable electric connecting piece 12 is pulled to overcome the elastic force of the second spring 13 to move, the movable electric connecting piece 12 is firstly separated from the transposition electric connecting piece 20 to prevent the temperature sensor 10 from moving downwards, then the movable electric connecting piece 12 moves to a position connected with the main electric connecting piece 7, the temperature sensor 10 is connected into circuits of the smoke sensor 5 and the first buzzer 8, the smoke sensor 5 and the temperature sensor 10 are triggered at the same time, and the first buzzer 8 can give out sound to give an alarm;
the magnetic block 21 is fixedly arranged at the bottom of the temperature sensor 10, the electromagnet 22 is positioned below the magnetic block 21 and fixed at the bottom of the main shell 1, the second buzzer 23 is positioned below the temperature sensor 10, the first spring 9 is connected between the magnetic block and the temperature sensor, and the jack in the middle of the annular electric connecting piece 24 is positioned on the moving track of the electric connecting rod 25;
when low-temperature smoke enters the alarm to cause the temperature sensor 10 to move downwards, the electric connecting rod 25 on the alarm is inserted into the annular electric connecting piece 24, the temperature sensor 10 is connected with the second buzzer 23, and the fan 33 is powered on;
the dustproof structure comprises a shielding plate 28 which is slidably arranged between the main shell 1 and the top cover 2, a third spring 29 is fixedly connected onto the shielding plate 28, a driving rope 26 is fixedly connected onto the shielding plate 28, the driving rope 26 is slidably arranged in a guide sleeve 27, the guide sleeve 27 is fixedly arranged in the main shell 1, a damping rod 30 is fixedly connected onto the shielding plate 28, and the damping rod 30 is movably connected into a speed reducing sleeve 31 of the main shell 1;
in addition to separating the temperature sensor 10 from the smoke sensor 5 to avoid the influence of low-temperature smoke, the temperature sensor 10 is also connected with a dustproof structure, when the temperature sensor 10 moves downwards, the dustproof structure is used for sealing the top cover 2 to prevent dust from entering, wind power is generated through the fan 33 to further prevent dust from entering, meanwhile, damping is further arranged in the dustproof structure to decelerate the resetting of the temperature sensor 10 and the dustproof structure, so that the alarm can avoid a period of time with more low-temperature dust, and the temperature sensor 10 is kept connected to the second buzzer 23;
the shielding plate 28 is movably connected in a shielding groove 35 arranged on the top cover 2, a plurality of shielding plates 28 are arranged aiming at the induction channels on the top cover 2, a supporting plate is arranged at the bottom end of the shielding plate 28, the driving rope 26 and the third spring 29 are both connected on the supporting plate, the damping rod 30 is vertically connected at the bottom end of the shielding plate 28, a speed reducing ring is arranged on the outer wall of the damping rod 30, the speed reducing ring is closely connected on the inner wall of the speed reducing sleeve 31 in a contact manner, and the driving rope 26 is connected on the temperature sensor 10 after being turned by the guide sleeve 27;
when the temperature sensor 10 moves downwards, the driving rope 26 is pulled, and through the steering of the guide sleeve 27, a pulling force is generated on the shielding plate 28, so that the shielding plate 28 moves upwards to enter the top cover 2 from the shielding groove 35, the sensing channel of the top cover 2 is blocked, and the adverse effect of dust on the alarm is prevented;
the ventilation hole 32 is arranged on the bottom surface of the main shell 1, the main shell 1 is communicated with the hoisting base 3, the fan 33 is arranged in the ventilation hole 32, and the air blowing grooves 34 are arranged on the main shell 1 and the top cover 2 and are communicated with each other;
when the invention is used: firstly, the smoke alarm of the invention is a smoke, temperature and infrared three-in-one alarm, the smoke temperature can be detected while sensing smoke concentration under general conditions, whether a fire really appears or not is judged, if the fire really appears, the alarm can be rapidly alarmed, if the fire does not really appear, but the smoke concentration rises due to dust, the alarm cannot be alarmed and is sealed, the situation that smoke causes false alarm is avoided, and the alarm is switched to a temperature alarm mode by moving the temperature sensor 10, the smoke alarm of the invention forms a main body structure through a main shell 1, a top cover 2 and a lifting seat 3, the whole body can be installed on a ceiling of a building through the lifting seat 3 for use, the top cover 2 is arranged downwards, an infrared sensor 4 on the top cover can carry out infrared detection in an area below the alarm, an assembly is arranged in the alarm, when a person passes through the alarm, the alarm owner sends information to carry out warning, a double detection structure of smoke and temperature is arranged in the main shell 1, only when the smoke sensor 5 is triggered, the temperature sensor 10 is also triggered, the first alarm is connected to a first temperature sensor 8 in a first temperature alarm circuit, the top cover 10 in an electromagnet of an electromagnet under normal environment, the electromagnet 10 is triggered by an electromagnet, the electromagnet 22, the electromagnet 22 when the electromagnet which is connected to generate electricity, the electromagnet under the environment, the electromagnet 10, the movable electric connecting piece 12 is separated from the electric connecting plate 6, so that an electric connecting rod 25 on the temperature sensor 10 is connected with an annular electric connecting piece 24 of the second buzzer 23 and is connected in a circuit of the second buzzer 23, a single temperature sensor 10 is used as an alarm detection structure, an alarm cannot give false alarm due to pure dust, when a fire disaster occurs, high-temperature smoke enters the top cover 2 and can simultaneously trigger the smoke sensor 5 and the temperature sensor 10, the first buzzer 8 gives an alarm sound, specifically, the high temperature is conducted to the temperature sensing pushing piece 19, the temperature sensing pushing piece 19 pushes the pushing plate 18, the pushing plate 18 drives the rotating wheel 17 to rotate, the winding shaft 16 can rotate to wind the pull rope 15 on the winding shaft, the movable electric connecting piece 12 is pulled to overcome the elastic force of the second spring 13 to move, the movable piece 12 is firstly separated from the electric connecting piece 20, the temperature sensor 10 is prevented from moving downwards, then the movable electric connecting piece 12 moves to a position connected with the main electric connecting piece 7, the temperature sensor 10 is connected to the smoke sensor 5 and the first buzzer 8, and the first buzzer 8 can give an alarm sound at the same time;
and, when the low temperature smoke enters the alarm to cause the temperature sensor 10 to move downwards, the electric connecting rod 25 on the temperature sensor is inserted into the annular electric connecting piece 24, the temperature sensor 10 is connected to the second buzzer 23, and the fan 33 is powered on, because the electric connecting rod 25 is long, the electric connection can be kept in the process of moving in the annular electric connecting piece 24, the temperature sensor 10 can be connected with the second buzzer 23 for a period of time, a simple temperature sensing type alarm is carried out to prevent the influence of the low temperature dust, the temperature sensor 10 is separated from the smoke sensor 5 to avoid the influence of the low temperature smoke, the temperature sensor 10 is also connected with a dustproof structure, when the temperature sensor 10 moves downwards, the dustproof structure is used for sealing the top cover 2 to prevent the dust from entering, the fan 33 generates wind power to further prevent the dust from entering, meanwhile, the dustproof structure is also provided with a damper which can decelerate the resetting of the temperature sensor 10 and the dustproof structure so that the alarm can avoid a period of time with more low-temperature dust, the temperature sensor 10 is kept connected to the second buzzer 23, when the temperature sensor 10 moves downwards, the driving rope 26 is pulled and generates pulling force on the shielding plate 28 through the steering of the guide sleeve 27, so that the shielding plate 28 moves upwards to enter the top cover 2 from the shielding groove 35 and blocks the sensing channel of the top cover 2 to prevent the dust from causing adverse effects on the alarm, because the power-on time of the electromagnet 22 is very short, after the temperature sensor 10 is separated from the power-on plate 6 through instant magnetic force, the temperature sensor 10 and the shielding plate 28 can be reset, and because the damping rod 30 is arranged on the shielding plate 28 and connected in the speed reduction sleeve 31, a large frictional force can be generated so that the shielding plate 28 and the temperature sensor 10 are slowly reset.
The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention should not be limited thereto, and those skilled in the art will be able to make various modifications without inventive changes from the above concepts and the scope of the present invention.
Claims (9)
1. The utility model provides a trinity smoke alarm, includes main casing (1), top cap (2) and lifting seat (3), and the three constitutes alarm main part, its characterized in that: the anti-dust-explosion electric heating cable is characterized in that an infrared sensor (4) is installed on the outer wall of the top cover (2), a smoke sensor (5) is installed on the inner wall of the top cover (2), the smoke sensor (5) is electrically connected with a main electricity connecting piece (7) on an electricity connecting plate (6), the main electricity connecting piece (7) is electrically connected with a first buzzer (8), the main shell (1) and the top cover (2) are connected in a penetrating mode, a temperature sensor (10) is movably arranged in a penetrating groove between the smoke sensor and the top cover, the temperature sensor (10) is connected to the main shell (1) through a first spring (9), a movable electricity connecting piece (12) capable of moving along with temperature is arranged on the temperature sensor (10), the movable electricity connecting piece (12) is electrically connected with the main electricity connecting piece (7) when the temperature is abnormally high outside, the movable electricity connecting piece is electrically connected with a transposition piece (20) at the room temperature, the transposition piece (20) is electrically connected with an electromagnet (22), a magnetic block (21) is fixedly installed on the temperature sensor (10), a second buzzer (23) is fixedly installed in the main shell (1), an annular buzzer (23) is arranged on the second buzzer (24), a dustproof rod (10), a dustproof rod (25) is installed on the temperature sensor (10), and a dustproof structure is provided with the dustproof sensor (10), and a dustproof structure, the temperature sensor (10) has a blocking effect, the main shell (1) is provided with a vent hole (32) and a fan (33), and the fan (33) is connected in a circuit of the second buzzer (23).
2. A three-in-one smoke alarm as claimed in claim 1, wherein: top cap (2) and hoist and mount seat (3) are connected respectively in the both sides of main shell (1), and the three is hollow shell structure, be provided with the installation cavity in main shell (1), and be provided with the response passageway on top cap (2), and be provided with ventilation passageway and hoist and mount piece on hoist and mount seat (3), the alarm main part is installed on the ceiling of building through hoist and mount piece, and top cap (2) set up down.
3. A three-in-one smoke alarm as claimed in claim 1, wherein: smoke transducer (5), connect electric plate (6), first bee calling organ (8) are arranged in a word and are set up on the inner wall of top cap (2), and temperature sensor (10) are located the below that connects electric plate (6), mainly connect electric piece (7) and transposition to connect electric piece (20) and set up side by side on connecting electric plate (6), and transposition connects electric piece (20) and is located the periphery that mainly connects electric piece (7).
4. A three-in-one smoke alarm as claimed in claim 1, wherein: the temperature-sensing electric connector is characterized in that the movable electric connector (12) is installed in a guide rail (11) on the surface of the temperature sensor (10), a second spring (13) is fixedly connected onto the movable electric connector (12), the second spring (13) is fixedly connected onto a bottom plate (14), a pull rope (15) is fixedly connected onto the movable electric connector (12), the pull rope (15) is connected onto a winding shaft (16), a rotating wheel (17) is fixedly installed on the winding shaft (16), a temperature-sensing pushing piece (19) is fixedly installed on the temperature sensor (10), a pushing plate (18) is connected onto the temperature-sensing pushing piece (19), and the pushing plate (18) is in driving connection with the rotating wheel (17).
5. A three-in-one smoke alarm according to claim 4 wherein: the temperature sensing and power connecting device is characterized in that a cable with enough length is arranged at the bottom of the movable power connecting piece (12), the second spring (13) is an insulating spring, the winding shaft (16) is vertically and rotatably installed on the temperature sensor (10), the rotating wheel (17) is installed at the end part of the winding shaft (16), the pull rope (15) is wound on the winding shaft (16), and a memory alloy rod is arranged in the temperature sensing pushing piece (19) and connected with the pushing plate (18).
6. A three in one smoke alarm according to claim 1 wherein: magnetic path (21) fixed mounting is in the bottom of temperature sensor (10), and electro-magnet (22) are located the below of magnetic path (21), fix the bottom at main casing (1), second bee calling organ (23) are located the below of temperature sensor (10), and first spring (9) connect between the two, the jack in annular electricity connection piece (24) middle part is located the removal orbit of electricity connection pole (25).
7. A three-in-one smoke alarm as claimed in claim 1, wherein: dustproof construction is including shielding plate (28) of slidable mounting between main casing (1) and top cap (2), and fixedly connected with third spring (29) on shielding plate (28), fixedly connected with drive rope (26) on shielding plate (28), and drive rope (26) slidable mounting in uide bushing (27), and uide bushing (27) fixed mounting in main casing (1), fixedly connected with damping lever (30) on shielding plate (28), and damping lever (30) swing joint is in speed reduction sleeve (31) of main casing (1).
8. A three-in-one smoke alarm according to claim 7 wherein: shield plate (28) swing joint is in shield groove (35) that sets up on top cap (2), and shield plate (28) are provided with a plurality ofly to the response passageway on top cap (2), shield plate (28) bottom is provided with the layer board, and driving rope (26) and third spring (29) all connect on the layer board, damping rod (30) vertical connection is in the bottom of shield plate (28), and is provided with the speed reduction ring on the outer wall of damping rod (30), and the inseparable contact of speed reduction ring is connected on the inner wall of speed reduction cover (31), driving rope (26) are connected on temperature sensor (10) after turning to through uide bushing (27).
9. A three-in-one smoke alarm as claimed in claim 1, wherein: the ventilation hole (32) is formed in the bottom surface of the main shell (1), the main shell (1) and the hoisting seat (3) are communicated, the fan (33) is installed in the ventilation hole (32), the air blowing grooves (34) are formed in the main shell (1) and the top cover (2), and the main shell and the top cover are communicated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210790956.0A CN115147997B (en) | 2022-07-05 | 2022-07-05 | Three-in-one smoke alarm |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210790956.0A CN115147997B (en) | 2022-07-05 | 2022-07-05 | Three-in-one smoke alarm |
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| CN115147997A true CN115147997A (en) | 2022-10-04 |
| CN115147997B CN115147997B (en) | 2023-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116935563A (en) * | 2023-09-15 | 2023-10-24 | 邹城市美安电子科技有限公司 | Fire alarm device for intelligent building |
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| CN209168350U (en) * | 2018-12-03 | 2019-07-26 | 新疆全天候消防科技有限公司 | A kind of cigarette sense warning device with infrared temperature monitoring |
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