CN113593168A

CN113593168A - Wireless intelligent smoke alarm for home and alarm system thereof

Info

Publication number: CN113593168A
Application number: CN202110700315.7A
Authority: CN
Inventors: 高毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-02

Abstract

The invention provides a household wireless intelligent smoke alarm and an alarm system thereof, wherein a camera is fixedly arranged at the bottom of an inner cover shell, a buzzer, a wireless signal transmission module, a microprocessor chip and a controller are fixedly arranged on the outer wall of the inner cover shell positioned in an inner cavity of an outer cover shell, and a smoke detection main body is fixedly arranged at one end of a transmission rod away from a rotating motor; annular dampproof device comprises main casing body, mesh board and cushion concatenation, the swelling after the moisture absorption of hygroscopic particle, and dwindle after the heating and can reuse, the embedded pressure sensor that is provided with in side of outer L type pole for the moisture absorption inflation degree of monitoring hygroscopic particle, the embedded heating plate that is provided with in bottom of outer L type pole. The invention provides a household wireless intelligent smoke alarm and an alarm system thereof, wherein a device for cleaning two sides of a filter screen simultaneously and an annular moisture-proof device are arranged in the wireless intelligent smoke alarm, and linkage is realized, so that the wireless intelligent smoke alarm has good dustproof and moisture-proof performances.

Description

Wireless intelligent smoke alarm for home and alarm system thereof

Technical Field

The invention relates to the technical field of alarms, in particular to a household wireless intelligent smoke alarm and an alarm system thereof.

Background

Among the prior art, application number is "202021502680.4" a novel house smoke alarm, including epitheca and inferior valve, the epitheca bottom corresponds the inferior valve top and corresponds to twist and close, the inferior valve lower extreme is twisted and is closed the annular go-between of circle, go-between lower extreme integrated into one piece has the screen panel, screen panel lower extreme integrated into one piece has the protection casing, inferior valve bottom middle part tin welding has smoke transducer, and this novel house smoke alarm reduces the dust and adsorbs the influence to smoke transducer through corresponding the inferior valve with screen panel top go-between and rotates mutually, is convenient for wash the dustcoat fast simultaneously.

However, the method still has the obvious defects in the using process: 1. when the device detects smoke, simple warning can be carried out only through the buzzer, the effect is single, and the intelligent household requirement cannot be met; 2. after the smoke alarm is used for a long time, the sensitivity of the alarm is reduced due to factors such as dust, and in order to keep good working performance of the alarm, the device only singly uses the mesh enclosure to block external dust, and when the mesh enclosure is blocked by the dust, the mesh enclosure needs to be manually taken down for cleaning, and the mesh enclosure needs to be reversely installed after cleaning, so that the smoke alarm is complex to operate, and the alarm is usually installed at a high place, and potential safety hazards exist when the alarm is disassembled and installed; 3. because the smoke alarm is internally provided with the electrical elements, when the humidity in the air is higher, the electrical elements are easily corroded by water vapor and damaged, and the device can not effectively solve the problem.

Disclosure of Invention

The invention aims to provide a household wireless intelligent smoke alarm and an alarm system thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a wireless intelligent smoke alarm for home, comprising:

the mounting plate, the fixed outer housing that is provided with on the mounting plate, the last windowing that has seted up of outer housing, the fixed inner cover that is provided with in outer housing, the fixed camera that is provided with in bottom of inner cover, the fixed bee calling organ, wireless signal transmission module, microprocessor chip and the controller that is provided with on the outer wall that the inner cover is located the outer housing inner chamber, the controller respectively with camera, bee calling organ, wireless signal transmission module, microprocessor chip signal connection, the embedded filter screen that is provided with of inner cover lateral wall that is located the outer housing, the lateral wall that the inner cover is provided with the filter screen is the cylinder, the fixed rotating electrical machines that is provided with on the mounting plate, the fixed transfer line that is provided with of output of rotating electrical machines, the transfer line extends the roof of inner cover, the one end that the rotating electrical machines was kept away from to the transfer line is fixed is provided with smog and surveys the main part, an inner L-shaped rod and an outer L-shaped rod are fixedly arranged on the side face of the transmission rod, the inner L-shaped rod is positioned in the inner cavity of the inner cover shell, an inner side cleaning brush is fixedly arranged on one side, close to the filter screen, of the inner L-shaped rod, the outer L-shaped rod is positioned between the inner cover shell and the outer cover shell, and an outer side cleaning brush is fixedly arranged on one side, close to the filter screen, of the outer L-shaped rod; and

annular dampproof device, annular dampproof device sets up in outer housing, annular dampproof device comprises the concatenation of the main casing body, mesh board and cushion, it has the moisture absorption granule to fill in the inner chamber that the main casing body, mesh board and cushion enclose, the moisture absorption granule expands after absorbing moisture, and reduces after the heating and can reuse, the embedded pressure sensor that is provided with in side of outer L type pole for the moisture absorption expansion degree of monitoring moisture absorption granule, the embedded heating plate that is provided with in bottom of outer L type pole, the fixed heat-conducting plate that is provided with in the main casing body, the bottom swing joint of heat-conducting plate and outer L type pole, the heat-conducting plate is used for heating the moisture absorption granule.

Preferably, a circular ring bearing is embedded in the top wall of the inner cover shell, and the transmission rod is hinged in the circular ring bearing.

Preferably, the smoke detection main body is arranged at the bottom of the transmission rod in a biased mode.

Preferably, the hygroscopic particles are calcium chloride desiccants.

Preferably, the main casing body is provided with a groove, the groove is internally provided with a spring in a connecting mode, the spring is connected to the push plate, one side of the push plate far away from the spring is fixedly provided with a connecting rod, the connecting rod is fixedly provided with a push plate, the outer L-shaped rod is clamped between the opposite push plates, and the push plates are in movable contact with the pressure sensor.

Preferably, the bottom of the outer housing is fixedly provided with a warning lamp, and the warning lamp is in signal connection with the pressure sensor, the microprocessor chip and the controller.

Preferably, a side heat transfer plate is fixedly arranged on the side surface of the heat transfer plate.

Preferably, a plurality of heat conducting fins are fixedly arranged on the side heat transfer plate.

An alarm system comprises the household wireless intelligent smoke alarm.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a household wireless intelligent smoke alarm, when smoke is detected, a camera can shoot pictures in real time except for the fact that a buzzer is started to warn, a wireless signal transmission module respectively sends out alarm signals and picture information to a mobile phone receiving terminal and a fixed computer receiving terminal, and the wireless intelligent smoke alarm can attract attention and eliminate hidden dangers in time;

2. the smoke alarm is provided with the filter screen for blocking dust in an external environment, when more dust is attached to the filter screen, the controller can be remotely controlled, and then the controller starts the rotating motor, so that the rotating motor drives the inner L-shaped rod and the outer L-shaped rod to rotate simultaneously, the inner side and the outer side of the filter screen are cleaned, the labor is saved, the alarm does not need to be disassembled, the efficiency is higher, the bidirectional cleaning effect is better, and the smoke alarm can keep good sensitivity;

3. the annular damp-proof device is arranged in the alarm, so that moisture in the air in the alarm can be absorbed, a buzzer, a wireless signal transmission module, a microprocessor chip, a controller and the like in the alarm are effectively protected, and the electric elements are prevented from being corroded by moisture and damaged;

4. when the filter screen is cleaned, the outer L-shaped rod rotates along the groove of the annular damp-proof device, in the process, if the moisture absorption particles expand after absorbing water, the pressure sensor on the side surface of the outer L-shaped rod monitors that the pressure value is increased, the microprocessor chip feeds back information to the controller, the controller starts the heating plate, heat generated by the heating plate is sequentially transmitted to the heat conduction plate, the side heat transfer plates and the heat conduction fins, the moisture absorption particles are heated and dried, the treated moisture absorption particles can be reused, frequent replacement is not needed, and the use is more convenient.

The invention provides a household wireless intelligent smoke alarm and an alarm system thereof, which have centralized functions, are internally provided with a filter screen which can block dust, so that the alarm can keep higher sensitivity, and are internally provided with a device for cleaning two sides of the filter screen and an annular moisture-proof device at the same time, and linkage is realized between the two devices, so that the alarm has good dustproof and moisture-proof performances.

Drawings

FIG. 1 is a schematic front sectional view of the overall structure of the present invention;

FIG. 2 is a partial schematic view of the outer L-shaped bar of the present invention in an annular moisture barrier (prior to moisture absorption);

fig. 3 is a partial structural view (after moisture absorption) of the outer L-shaped bar of the present invention in a ring-shaped moisture barrier.

In the figure: 1 mounting plate, 2 outer cover shells, 201 windowing, 3 inner cover shells, 4 cameras, 5 buzzers, 6 wireless signal transmission modules, 7 microprocessor chips, 8 controllers, 9 filter screens, 10 rotating motors, 11 transmission rods, 12 circular ring bearings, 13 smoke detection bodies, 14 inner L-shaped rods, 15 inner side cleaning brushes, 16 outer L-shaped rods, 17 outer side cleaning brushes, 18 annular moistureproof devices, 19 main shell bodies, 20 mesh plates, 21 elastic pads, 22 moisture absorption particles, 23 grooves, 24 springs, 25 push plates, 26 connecting rods, 27 push plates, 28 pressure sensors, 29 warning lamps, 30 heating plates, 31 heat conduction plates, 32 side heat transfer plates and 33 heat conduction fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example (b):

referring to fig. 1 to 3, the present invention provides a technical solution:

a wireless intelligent smoke alarm for home, comprising:

the alarm comprises a mounting plate 1, an outer housing 2 is fixedly arranged on the mounting plate 1, a windowing 201 is arranged on the outer housing 2, the diameter of the windowing 201 is large, so that large air volume can enter the inside of the alarm, meanwhile, the large windowing 201 is not easy to be blocked by dust and does not need to be cleaned frequently, an inner housing 3 is fixedly arranged in the outer housing 2, a camera 4 is fixedly arranged at the bottom of the inner housing 3, the camera 4 can take pictures and record videos of the using site, rescue workers can know the site conditions in advance, and reasonable schemes for eliminating hidden dangers and rescue workers are arranged, a buzzer 5, a wireless signal transmission module 6, a microprocessor chip 7 and a controller 8 are fixedly arranged on the outer wall of the inner housing 3 in the inner cavity of the outer housing 2, the controller 8 is respectively in signal connection with the camera 4, the buzzer 5, the wireless signal transmission module 6 and the microprocessor chip 7, when the buzzer 5 is started, abnormal conditions exist in a use site, hidden dangers need to be eliminated in time and evacuation needs to be carried out emergently, the wireless signal transmission module 6 is used for detecting abnormal conditions of smoke, pictures or videos shot by the camera 4 are sent to the mobile phone receiving terminal and the fixed computer receiving terminal respectively, information is automatically transmitted to the property management platform, attention of relevant personnel is attracted timely, fire delay is avoided, the microprocessor chip 7 is used for analyzing and calculating detection values, working states and the like of all electrical elements in the device, reasonable remote control operation is further carried out through the controller 8, the filter screen 9 is embedded in the side wall, located on the outer housing 2, of the inner housing 3, the filter screen 9 can block dust in the external environment, and the dust is prevented from polluting the internal electrical elements, such as the buzzer 5, the wireless signal transmission module 6 and the like, The microprocessor chip 7, the controller 8, the smoke detection body 13 and the like, the side wall of the inner cover shell 3 provided with the filter screen 9 is cylindrical, the mounting plate 1 is fixedly provided with a rotating motor 10, the output end of the rotating motor 10 is fixedly provided with a transmission rod 11, the transmission rod 11 extends through the top wall of the inner cover shell 3, one end of the transmission rod 11 far away from the rotating motor 10 is fixedly provided with the smoke detection body 13, the side surface of the transmission rod 11 is fixedly provided with an inner L-shaped rod 14 and an outer L-shaped rod 16, the inner L-shaped rod 14 is positioned in the inner cavity of the inner cover shell 3, an inner side cleaning brush 15 is fixedly arranged on one side, close to the filter screen 9, of the inner L-shaped rod 14, the inner side cleaning brush 15 is used for cleaning and dedusting the inner side of the filter screen 9, the outer L-shaped rod 16 is located between the inner cover shell 3 and the outer cover shell 2, an outer side cleaning brush 17 is fixedly arranged on one side, close to the filter screen 9, of the outer L-shaped rod 16, and the outer side cleaning brush 17 is used for cleaning and dedusting the outer side of the filter screen 9; and

annular dampproof device 18, annular dampproof device 18 sets up in housing 2, annular dampproof device 18 is the ring shape and has seted up the recess that is the ring shape equally, annular dampproof device 18 comprises main casing 19, mesh board 20 and elastic pad 21 concatenation, main casing 19, mesh board 20 are the rigid material that can not take place elastic deformation, the mesh diameter of mesh board 20 is less than the diameter of moisture absorption granule 22, avoid moisture absorption granule 22 to spill and leak, elastic pad 21 then has certain elasticity of stretching, after moisture absorption granule 22 absorbs water and expands, elastic pad 21 can be outwards jack-up, take place tensile deformation, main casing 19, mesh board 20 and elastic pad 21 enclose the inner chamber fill moisture absorption and have been filled with granule 22, moisture absorption granule 22 expands after absorbing moisture, and shrink ability reuse after the heating, use cost is lower, the side of outer L type pole 16 is embedded to be provided with pressure sensor 28, be used for monitoring the moisture absorption expansion degree of moisture absorption granule 22, the heating plate 30 is embedded in the bottom of the outer L-shaped rod 16, when the pressure sensor 28 monitors that the pressure is increased, namely, after the moisture absorption particles 22 absorb water and expand, the controller 8 starts the heating plate 30, the heat conduction plate 31 is fixedly arranged in the main shell 19, the heat conduction plate 31 is movably contacted with the bottom of the outer L-shaped rod 16, the heat conduction plate 31 is used for heating the moisture absorption particles 22, the heating plate 30 conducts heat to the heat conduction plate 31, the heat conduction plate 31 is directly contacted with the moisture absorption particles 22, further, the moisture absorption particles 22 are heated and dried, hot steam generated after drying can be discharged from the mesh plate 20, so that the moisture absorption particles 22 can be reused, frequent replacement is not needed, operation is simplified, and the use cost is reduced.

Preferably, a ring bearing 12 is embedded in the top wall of the inner housing 3, the transmission rod 11 is hinged in the ring bearing 12, the transmission rod 11 can rotate in the ring bearing 12, and therefore the ring bearing 12 plays a role of movably supporting the transmission rod 11.

Preferably, the smoke detection body 13 is eccentrically arranged at the bottom of the transmission rod 11, so that after the rotating motor 10 is started, the transmission rod 11 can synchronously drive the smoke detection body 13 to rotate, the position of the detection part of the smoke detection body 13 is changed, dynamic detection is further realized, the monitoring range of the smoke detection body 13 is expanded, and monitoring is more accurate.

Preferably, the moisture-absorbing particles 22 are calcium chloride desiccant, which expands after absorbing water and evaporates water vapor and shrinks after heating, so that the desiccant can be recycled, and in view of the wide variety of desiccants having the above-mentioned use effect, other desiccants that can be satisfactorily used may be selected as the moisture-absorbing particles 22, which is given by way of example only and not limitation.

Preferably, a groove 23 is formed in the main housing 19, a spring 24 is connected to the groove 23, the spring 24 is connected to a push plate 25, a connecting rod 26 is fixedly arranged on one side of the push plate 25 away from the spring 24, a push plate 27 is fixedly arranged on the connecting rod 26, the outer L-shaped rod 16 is clamped between the opposite push plates 27, the push plates 27 are in movable contact with the pressure sensor 28, after the moisture-absorbing particles 22 absorb water and expand, the elastic pad 21 is ejected outwards to generate elastic deformation, and the elastic pad 21 pushes the push plates 27, so that the pressure of the push plates 27 on the pressure sensor 28 is increased, which indicates that the moisture-absorbing particles 22 need to be dried.

Preferably, a warning lamp 29 is fixedly arranged at the bottom of the outer casing 2, the warning lamp 29 is in signal connection with the pressure sensor 28, the microprocessor chip 7 and the controller 8, and when the pressure value monitored by the pressure sensor 28 exceeds a predetermined value, the warning lamp 29 is turned on to indicate that the moisture-absorbing particles 22 have been subjected to water absorption expansion to a large extent at the moment, and the heating and drying treatment needs to be performed in time.

Preferably, the heat conducting plate 31 has side heat transfer plates 32 fixed to the sides thereof, and the side heat transfer plates 32 are capable of conducting the heat of the heat conducting plate 31, thereby expanding the coverage of the heat drying of the moisture absorbing particles 22.

Preferably, a plurality of heat transfer fins 33 are fixedly provided on the side heat transfer plate 32, and the heat transfer fins 33 are provided to increase the heating contact area, thereby improving the drying efficiency of the moisture absorbing particles 22.

An alarm system comprises the household wireless intelligent smoke alarm.

The first embodiment is as follows:

when using, can fix the device in the house place that needs to use through mounting panel 1, gas in the external environment can get into between outer housing 2 and the inner housing 3 through windowing 201, and rethread filter screen 9 gets into in the inner chamber of inner housing 3, and the smog surveys the smog concentration condition in main part 13 then real-time supervision gas, surveys main part 13 for the current structure of common in view of smog, does not expand here and describe repeatedly.

When a fire occurs, the smoke concentration in the air rises, the smoke detection main body 13 detects the abnormal smoke at the moment, the buzzer 5 is started immediately to remind field personnel to put out hidden dangers in time and avoid danger urgently, meanwhile, the microprocessor chip 7 starts the camera 4 through the controller 8 after processing and analyzing the detection information of the current smoke detection main body 13, the camera 4 takes pictures and records the using field conditions, the rescue personnel can know the field conditions in advance, and reasonable schemes for eliminating the hidden dangers and the rescue personnel are arranged, then the wireless signal transmission module 6 respectively sends the abnormal smoke detection conditions and the pictures or the videos shot by the camera 4 to the mobile phone receiving terminal and the fixed computer receiving terminal, automatically transmits information to the property management platform to attract the attention of the relevant personnel in time, and the fire delay is avoided, more intelligent, certainly, controller 8 can also with on-spot sign of fleing, flee signal connection such as lock, can in time evacuate masses when the condition of a fire appears, safer.

Example two:

the device can be adhered with more impurity on the filter screen 9 that is used for blockking outside dust originally after using a period for gaseous normal circulation can not influence the sensitivity that smog detected main part 13.

At this time, the rotating motor 10 can be started, the rotating motor 10 drives the transmission rod 11 to rotate, on one hand, the transmission rod 11 simultaneously drives the inner L-shaped rod 14 and the outer L-shaped rod 16 to rotate, the inner L-shaped rod 14 drives the inner cleaning brush 15 to clean the inner side of the filter screen 9, the outer L-shaped rod 16 drives the outer cleaning brush 17 to clean the outer side of the filter screen 9, and the inner L-shaped rod 14 and the outer L-shaped rod 16 are simultaneously arranged, but the inner L-shaped rod 14 and the outer L-shaped rod 16 are not located at the same position, so that the problem that dust cannot fall off due to bidirectional clamping of the filter screen 9 is avoided, and therefore, the filter screen 9 is cleaned, and gas is enabled to be smoother; on the other hand, the transmission rod 11 drives the smoke detection main body 13 connected in a skewed state to rotate, so that the position of the detection part of the smoke detection main body 13 is changed, dynamic detection is further realized, the monitoring range of the smoke detection main body 13 is expanded, and monitoring is more accurate.

In addition, the device is also provided with an annular damp-proof device 18, the annular damp-proof device 18 is annular and is provided with a groove which is also annular, an outer L-shaped rod 16 is clamped in the groove and can rotate along the groove, moisture absorption particles 22 are arranged in the annular damp-proof device 18, the moisture absorption particles 22 can absorb moisture in the air in the alarm in time, so that the buzzer 5, the wireless signal transmission module 6, the microprocessor chip 7, the controller 8 and the like in the alarm are effectively protected, the electric elements are prevented from being corroded and damaged by moisture, the moisture absorption particles 22 can expand after absorbing water, the elastic pad 21 is ejected outwards, the elastic pad 21 forms thrust on the push plate 27, the spring 24 is stretched, the pressure of the push plate 27 on the pressure sensor 28 is enhanced, and the pressure sensor 28 can receive the information through the microprocessor chip 7, Controller 8 control warning light 29 starts, show that moisture absorption granule 22 at this moment has taken place the water absorption inflation to a great extent, need in time carry out the heat drying and processing, pressure increase back that pressure sensor 28 monitored, controller 8 then starts heating plate 30, the heat that heating plate 30 produced conducts to heat-conducting plate 31 in proper order, side heat transfer plate 32 and heat conduction fin 33, and then carry out the heat drying to moisture absorption granule 22, moisture absorption granule 22 after the processing reduces, and then also can reduce gradually to normal condition to pressure sensor 28's pressure, the hot steam that moisture absorption granule 22 heating produced then gives off through mesh plate 20 outwards, finally give off the outside through windowing 201, moisture absorption granule 22 after the drying process can used repeatedly, need not frequent change, it is more convenient to use, the cost is also lower.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wireless intelligent smoke alarm for house which characterized in that includes:

the mounting plate (1), the fixed outer housing (2) that is provided with on mounting plate (1), open window (201) has been seted up on outer housing (2), fixed inner housing (3) that is provided with in outer housing (2), the fixed camera (4) that is provided with in bottom of inner housing (3), fixed buzzer (5), wireless signal transmission module (6), microprocessor chip (7) and controller (8) of being provided with on the outer wall that inner housing (3) is located outer housing (2) inner chamber, controller (8) respectively with camera (4), buzzer (5), wireless signal transmission module (6), microprocessor chip (7) signal connection, the embedded shell (3) is located the lateral wall of outer housing (2) and is provided with filter screen (9), the lateral wall that inner housing (3) is provided with filter screen (9) is the cylinder, the smoke detection device is characterized in that a rotary motor (10) is fixedly arranged on the mounting plate (1), a transmission rod (11) is fixedly arranged at the output end of the rotary motor (10), the transmission rod (11) extends through the top wall of the inner casing (3), a smoke detection main body (13) is fixedly arranged at one end, far away from the rotary motor (10), of the transmission rod (11), an inner L-shaped rod (14) and an outer L-shaped rod (16) are fixedly arranged on the side face of the transmission rod (11), the inner L-shaped rod (14) is located in the inner cavity of the inner casing (3), an inner cleaning brush (15) is fixedly arranged on one side, close to the filter screen (9), of the inner L-shaped rod (14), the outer L-shaped rod (16) is located between the inner casing (3) and the outer casing (2), and an outer cleaning brush (17) is fixedly arranged on one side, close to the filter screen (9), of the outer L-shaped rod (16); and

an annular moisture protection means (18), said annular moisture protection means (18) being arranged in the outer casing (2), the annular damp-proof device (18) is formed by splicing a main shell (19), a mesh plate (20) and an elastic pad (21), the inner cavity enclosed by the main shell (19), the mesh plate (20) and the elastic pad (21) is filled with moisture absorption particles (22), the moisture absorption particles (22) expand after absorbing moisture, and can be recycled after being heated, a pressure sensor (28) is embedded in the side surface of the outer L-shaped rod (16), used for monitoring the hygroscopic expansion degree of the hygroscopic particles (22), a heating sheet (30) is embedded in the bottom of the outer L-shaped rod (16), the fixed heat-conducting plate (31) that is provided with in main casing body (19), the bottom swing joint of heat-conducting plate (31) and outer L type pole (16), heat-conducting plate (31) are used for heating up moisture absorption granule (22).

2. The household wireless intelligent smoke alarm device according to claim 1, characterized in that: the top wall of the inner cover shell (3) is internally embedded with a circular ring bearing (12), and the transmission rod (11) is hinged in the circular ring bearing (12).

3. The household wireless intelligent smoke alarm device according to claim 1, characterized in that: the smoke detection main body (13) is arranged at the bottom of the transmission rod (11) in a biased mode.

4. The household wireless intelligent smoke alarm device according to claim 1, characterized in that: the hygroscopic particles (22) are calcium chloride desiccants.

5. The household wireless intelligent smoke alarm device according to claim 1, characterized in that: set up recess (23) in main casing body (19), connect in recess (23) and be provided with spring (24), spring (24) are connected on push pedal (25), one side fixed connection rod (26) that spring (24) were kept away from in push pedal (25), the fixed push pedal (27) that is provided with on connection rod (26), outer L type pole (16) are set up between relative push pedal (27) by the centre gripping, push pedal (27) and pressure sensor (28) swing joint.

6. The household wireless intelligent smoke alarm device according to claim 5, characterized in that: the bottom of the outer housing (2) is fixedly provided with a warning lamp (29), and the warning lamp (29) is in signal connection with the pressure sensor (28), the microprocessor chip (7) and the controller (8).

7. The household wireless intelligent smoke alarm device according to claim 1, characterized in that: and a side heat transfer plate (32) is fixedly arranged on the side surface of the heat conduction plate (31).

8. The household wireless intelligent smoke alarm device according to claim 7, characterized in that: a plurality of heat conducting fins (33) are fixedly arranged on the side heat transfer plate (32).

9. An alarm system, characterized by: the household wireless intelligent smoke alarm comprises the household wireless intelligent smoke alarm as claimed in any one of claims 1-8.