阅读说明：本技术 一种智慧园区智能安防报警器 (Intelligent security alarm for smart park ) 是由 徐辉 胡皓 于 2021-07-05 设计创作，主要内容包括：本发明涉及报警器技术领域,具体为一种智慧园区智能安防报警器,包括安装在建筑墙顶壁上的外壳,外壳顶端的内侧壁上安装有烟感探头,外壳的底端开设有进气口,外壳顶端的外侧壁上均匀开设有多个排气孔,进气口底端的内侧壁上安装有环形固定框,环形固定框内可拆卸安装有环形安装框,环形安装框的内侧壁上安装有滤网,外壳中端的内侧壁上安装有与烟感探头电连接的风扇。本发明通过烟感探头感知到烟雾浓度超标后启动风扇将建筑内的空气快速抽动至烟感探头处,不仅监测范围较大,能避免出现错误报警的情况,而且能避免错误报警后启动喷水设备造成不必要的经济损失,从而提升了智慧园区智能安防报警器的使用效果。(The invention relates to the technical field of alarms, in particular to an intelligent security alarm for a smart park, which comprises a shell, wherein the shell is installed on the top wall of a building wall, a smoke sensing probe is installed on the inner side wall of the top end of the shell, an air inlet is formed in the bottom end of the shell, a plurality of exhaust holes are uniformly formed in the outer side wall of the top end of the shell, an annular fixing frame is installed on the inner side wall of the bottom end of the air inlet, an annular mounting frame is detachably installed in the annular fixing frame, a filter screen is installed on the inner side wall of the annular mounting frame, and a fan electrically connected with the smoke sensing probe is installed on the inner side wall of the middle end of the shell. According to the intelligent security alarm, the smoke detector senses that the smoke concentration exceeds the standard, the fan is started to rapidly pump air in a building to the smoke detector, the monitoring range is large, the situation of false alarm can be avoided, unnecessary economic loss caused by starting of the water spraying equipment after false alarm can be avoided, and therefore the using effect of the intelligent security alarm in the intelligent park is improved.)

1. The utility model provides an intelligent security alarm in wisdom garden, is including installing shell (1) on building wall roof, install smoke on the inside wall on shell (1) top and feel probe (2), its characterized in that: the fire extinguishing device is characterized in that an air inlet (3) is formed in the bottom end of the shell (1), a plurality of exhaust holes (4) are uniformly formed in the outer side wall of the top end of the shell (1), an annular fixing frame (5) is installed on the inner side wall of the bottom end of the air inlet (3), an annular installing frame (6) is detachably installed in the annular fixing frame (5), a filter screen (7) is installed on the inner side wall of the annular installing frame (6), a fan (12) electrically connected with the smoke detector (2) is installed on the inner side wall of the middle end of the shell (1), a plurality of alarm indicating lamps (13) electrically connected with the smoke detector (2) are installed on the outer side wall of the shell (1), water spraying fire extinguishing equipment is installed on the top wall of the building wall, a control component for controlling the water spraying fire extinguishing equipment to be opened and closed is connected onto the smoke detector (2), and a conical plate (21) is installed on the inner side wall of the bottom end of the shell (1), and tapered plate (21) are located the downside of fan (12), install the clearance mechanism of mutually supporting with filter screen (7) in tapered plate (21), install the drive assembly of drive clearance mechanism in shell (1), and filter screen (7) block up back drive assembly automatic drive clearance mechanism and start, be equipped with the installation component between the top of shell (1) and the building wall roof.

2. The intelligent security alarm of an intelligent park as claimed in claim 1, wherein: install annular locating piece (8) of mutually supporting with annular installing frame (6) on the inside wall of the fixed frame of annular (5), evenly install a plurality of locating levers on the roof of annular installing frame (6), evenly set up a plurality of locating holes (9) of mutually supporting with the locating lever on the diapire of annular locating piece (8), install a plurality of magnetic block (10) that are used for attracting annular installing frame (6) on the diapire of annular locating piece (8), rotate on the diapire of the fixed frame of annular (5) and install a plurality of depression bars (11) of mutually supporting with annular installing frame (6).

3. The intelligent security alarm of an intelligent park as claimed in claim 1, wherein: the control assembly comprises an installation pipe (14), an elastic button switch (15) connected with the water spray fire extinguishing equipment is installed on the inner side wall of the top end of the installation pipe (14), a two-way memory alloy wire (16) is installed on the inner side wall of the bottom end of the installation pipe (14), a piston (17) matched with the inner wall of the installation pipe (14) is installed at the top end of the two-way memory alloy wire (16), an electric heating pipe (18) electrically connected with the smoke sensing probe (2) is installed at the bottom end of the installation pipe (14), heat conducting liquid (19) matched with the electric heating pipe (18) and the two-way memory alloy wire (16) is arranged in the installation pipe (14), and a plurality of heat radiating plates (20) are installed on the outer side wall of the bottom end of the installation pipe (14).

4. The intelligent security alarm of an intelligent park as claimed in claim 1, wherein: clearance mechanism is including installing electro-magnet (22) on toper board (21) top, permanent magnet (23) are installed to the bottom elasticity of electro-magnet (22), and permanent magnet (23) repel each other with the magnetism of the adjacent one end of electro-magnet (22), installation pole (24) are installed to the bottom of permanent magnet (23), and the bottom of installation pole (24) extends to the downside of toper board (21), mounting panel (25) are installed to the bottom of installation pole (24), evenly install a plurality of steel needles (26) on the diapire of mounting panel (25), evenly be equipped with a plurality of filtration holes on filter screen (7), and steel needle (26) and filtration hole one-to-one.

5. The intelligent security alarm of claim 4, wherein: drive assembly is including installing annular locating frame (27) on air inlet (3) top inside wall, the bottom in air inlet (3) is connected to the fixed frame of annular (5) elastic connection, and annular locating frame (27) are located the upside of the fixed frame of annular (5), install piezoceramics piece (28) of being connected with electro-magnet (22) electricity on the diapire of annular locating frame (27), wind-collecting cover (29) are installed to the bottom of fan (12), wind-collecting cover (29) paste tightly on the inside wall of shell (1), and wind-collecting cover (29) cover establishes the top at conical plate (21) and air inlet (3).

6. The intelligent security alarm of an intelligent park as claimed in claim 1, wherein: the mounting assembly includes a fixing plate (31) fixed to the top wall of the building wall using a fastening bolt (30), the bottom wall of the fixing plate (31) is provided with a plurality of grooves (32) which are matched with the fastening bolts (30), the middle end of the fixing plate (31) is provided with a through hole (33), the top wall of the shell (1) is symmetrically provided with two connecting plates (34), two connecting grooves (35) which are matched with the connecting plate (34) are symmetrically arranged on the bottom wall of the fixing plate (31), two movable plates (36) are symmetrically and elastically arranged on the fixed plate (31), two movable grooves (37) which are matched with the movable plates (36) are symmetrically formed in the fixed plate (31), the outer side walls of the movable plates (36) are provided with limiting insertion blocks (38), and the outer side walls of the connecting plates (34) are provided with limiting insertion holes (39) which are matched with the limiting insertion blocks (38).

Technical Field

The invention relates to the technical field of alarms, in particular to an intelligent security alarm for an intelligent park.

Background

Smoke alarm realizes the fire prevention through the concentration of monitoring smog, smoke alarm generally installs on the wall roof of building and through the concentration of smog in the component perception building of inside smoke, current smoke alarm mostly relies on gaseous natural circulation to smoke to feel the component department and detects, not only monitoring range is less, and the easy problem of false alarm that appears when gathering smog, for example just lead to smoke alarm to report to the police and start sprinkler system and spray water easily in smoke alarm's bottom smoking, thereby cause unnecessary economic loss easily.

Through the retrieval, chinese patent No. CN111429687A discloses a security protection intelligent alarm of community, including controller, wireless communicator and smog detecting element, smog detecting element includes the base, the shell, gas pocket regulator and smoke sense probe, shell and base accordant connection, the surface of shell is equipped with a plurality of gas pockets, the gas pocket regulator is located the inside of shell and is connected with the base, the smoke sense probe is located the inside of shell and is connected with the base, wherein, the controller can control the trompil area that the gas pocket regulator adjusted a plurality of gas pockets.

Although the air hole regulator is added to the community security intelligent alarm, the ventilation volume of the air holes in the shell can be regulated, so that the opening area of the air holes is controlled, the sensitivity range of the community security intelligent alarm becomes adjustable, different sensitivity detections can be realized in different environments, the stability and the accuracy are improved, and the following defects still exist:

1. the smoke alarm still depends on natural circulation of gas to the smoke sensing probe for detection, so that the monitoring range is small, and the problem of false alarm is easy to occur when smoke is collected;

2. when in use, the air hole is blocked by impurities mixed in the gas, and then cannot send a cleaning instruction or automatically clean the air hole, so that the smoke alarm is easy to lose efficacy due to the blockage of the air hole;

3. the smoke alarm needs to be hoisted to the wall top wall of a building through screws, the mounting and dismounting difficulty is large, and the wall top wall is easy to damage when the smoke alarm is dismounted, so that the overhauling and replacing difficulties of the smoke alarm are improved, and the using effect is poor.

Therefore, an intelligent security alarm for the intelligent park is provided.

Disclosure of Invention

The invention aims to provide an intelligent security alarm for an intelligent park, which solves the problems in the background technology by starting a fan to quickly pump air in a building to a smoke-sensitive probe after the smoke-sensitive probe senses that the smoke concentration exceeds the standard.

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

an intelligent security alarm for a smart park comprises a shell installed on the top wall of a building wall, wherein a smoke-sensitive probe is installed on the inner side wall of the top end of the shell, an air inlet is formed in the bottom end of the shell, a plurality of exhaust holes are uniformly formed in the outer side wall of the top end of the shell, an annular fixed frame is installed on the inner side wall of the bottom end of the air inlet, an annular installation frame is detachably installed in the annular fixed frame, a filter screen is installed on the inner side wall of the annular installation frame, a fan electrically connected with the smoke-sensitive probe is installed on the inner side wall of the middle end of the shell, a plurality of alarm indicating lamps electrically connected with the smoke-sensitive probe are installed on the outer side wall of the shell, water-spraying fire-extinguishing equipment is installed on the top wall of the building wall, a control component for controlling the water-spraying fire-extinguishing equipment to be opened and closed is connected on the smoke-sensitive probe, a conical plate is installed on the inner side wall of the bottom end of the shell, and the conical plate is located the downside of fan, install the clearance mechanism of mutually supporting with the filter screen in the conical plate, install the drive assembly of drive clearance mechanism in the shell, and the filter screen blocks up back drive assembly automatic drive clearance mechanism and starts, be equipped with the installation component between the top of shell and the building wall roof.

The air enters the shell through the air inlet at the bottom end and is discharged through the exhaust hole at the top end, the fan and the alarm indicator lamp are powered on and started after the smoke sensing probe senses that the smoke concentration exceeds the standard, the alarm indicator lamp starts to alarm after being started, if someone smokes at the bottom end of the smoke alarm, the smoke can be reminded to stop smoking in time, if a fire occurs, the alarm effect can be played in time, the air in the building is quickly pumped to the smoke sensing probe through the bottom end of the air inlet after the fan is started, if only smoke with small area is generated due to smoking and the like, the smoke concentration sensed by the smoke sensing probe after the smoke is diluted by the air in the building is quickly reduced to be below the specified minimum standard concentration, the fan and the alarm indicator lamp are powered off and closed after the smoke concentration sensed by the smoke sensing probe is lower than the minimum standard, if the fire occurs, the smoke concentration sensed by the smoke sensing probe continuously rises, at the moment, the control assembly starts the water spray fire extinguishing equipment to extinguish fire, the smoke detector senses that smoke concentration exceeds standard and then starts the fan to rapidly pump air in the building to the smoke detector, so that the monitoring range is large, the condition of false alarm can be reduced, unnecessary economic loss caused by starting of water spraying equipment after false alarm can be avoided, and the using effect of the intelligent security alarm in the intelligent park is improved.

Preferably, install the annular locating piece of mutually supporting with the annular installing frame on the inside wall of the fixed frame of annular, evenly install a plurality of locating levers on the roof of annular installing frame, evenly set up a plurality of locating holes of mutually supporting with the locating lever on the diapire of annular locating piece, install a plurality of magnetic blocks that are used for attracting the annular installing frame on the diapire of annular locating piece, rotate on the diapire of the fixed frame of annular and install a plurality of depression bars of mutually supporting with the annular installing frame.

Connect to the fixed frame of annular and insert the locating lever in the locating hole that corresponds with the annular installing frame, the magnetic block at this moment inhales tightly annular installing frame and filter screen in the bottom of the fixed frame of annular locating piece and annular, then rotate the depression bar and paste the one end of depression bar tightly on the diapire of annular installing frame, just can be with annular installing frame and filter screen fixed mounting on the fixed frame of annular and shell, the same thing, can be convenient pull down annular installing frame and filter screen from the bottom of the fixed frame of annular and shell, can be convenient install the dismantlement to the filter screen, consequently can be convenient change the filter screen, thereby can select the filter screen in suitable size filtration pore according to service environment, the suitability of wisdom garden intelligent security alarm has been promoted.

Preferably, the control assembly is including the installation pipe, install the elasticity button switch who is connected with the fire extinguishing equipment that sprays water on the inside wall on installation pipe top, install two-way memory alloy silk on the inside wall of installation socle end, the piston of mutually supporting with installation intraductal wall is installed on the top of two-way memory alloy silk, the electrothermal tube of being connected with the smoke detector electricity is installed to the bottom of installation pipe, be equipped with the heat-conducting liquid of mutually supporting with electrothermal tube and two-way memory alloy silk in the installation pipe, install a plurality of heating panels on the lateral wall of installation socle end.

The electrothermal tube is powered on and heats heat-conducting liquid in the installation tube after the smoke detector senses that the smoke concentration exceeds the standard, the electrothermal tube is powered off and stops heating the heat-conducting liquid after the smoke concentration sensed by the smoke detector drops below the specified minimum standard concentration, the heat-conducting liquid can be cooled rapidly by the heat-conducting liquid at the moment, the electrothermal tube can continuously heat the heat-conducting liquid after the smoke concentration sensed by the smoke detector continuously rises, the double-stroke memory alloy wire can stretch out and push the piston to upwards press the elastic button switch after the temperature of the heat-conducting liquid reaches the set value, the water-spraying fire-extinguishing equipment is started to extinguish a fire after the elastic button switch is extruded, the water-spraying fire-extinguishing equipment can be started to extinguish the fire in time after the fire occurs, unnecessary economic loss caused by starting the water-spraying equipment after false alarm can be avoided, and the using effect of the intelligent security alarm in a park is improved.

Preferably, clearance mechanism is including installing the electro-magnet on conical plate top, the permanent magnet is installed to the bottom elasticity of electro-magnet, and the magnetism of the adjacent one end of permanent magnet and electro-magnet is repelled, the installation pole is installed to the bottom of permanent magnet, and the bottom of installation pole extends to the downside of conical plate, the mounting panel is installed to the bottom of installation pole, evenly install a plurality of steel needles on the diapire of mounting panel, evenly be equipped with a plurality of filter screen holes on the filter screen, and steel needle and filter screen hole one-to-one.

The one end that the electro-magnet circular telegram back electro-magnet is close to the permanent magnet can produce and promote the permanent magnet with permanent magnet repellent's magnetism, the installation pole, mounting panel and steel needle downstream, just can release the impurity of jam in the filter screen hole after the steel needle inserts the filter screen that corresponds on the filter screen downthehole, thereby can avoid the filter screen to be blockked up, can be convenient clear up the filter screen, thereby can avoid the filter screen to lead to smoke alarm to become invalid after blockking up, the stability of the work of wisdom garden intelligent security alarm has been promoted.

Preferably, drive assembly is including installing the annular locating frame on the inside wall of air inlet top, the fixed frame elastic connection of annular is in the bottom of air inlet, and the annular locating frame is located the upside of the fixed frame of annular, install the piezoceramics piece of being connected with the electro-magnet electricity on the diapire of annular locating frame, the wind-collecting cover is installed to the bottom of fan, the wind-collecting cover pastes tightly on the inside wall of shell, and the wind-collecting cover covers the top of establishing at conical plate and air inlet.

The filter screen is blockked up the back filter screen, the fixed frame of annular installing frame and annular is to the resistance grow of air, be connected with time delay switch on the fan, the smog concentration of smoke detector perception drops to below the minimum standard concentration of regulation ten seconds after just the outage is closed, the filter screen is blockked up the fixed frame of annular that the fan rotates the can inhale the bottom after blockking up, annular installing frame and filter screen rebound, can extrude the piezoceramics piece on top after the fixed frame rebound of annular and switch on for the electro-magnet, thereby can start clearance mechanism and clear up the filter screen, the filter screen can be cleared up the filter screen by automatic drive clearance mechanism after blockking up, need not artifical manual start clearance mechanism, not only reduced the occupation of manpower, and can in time clear up the filter screen wisdom, thereby further promoted the stability of garden intelligent security alarm work.

Preferably, the installation component is including using fastening bolt to fix the fixed plate on the building wall roof, set up a plurality of recesses of mutually supporting with fastening bolt on the diapire of fixed plate, the middle-end of fixed plate is equipped with the through-hole, two connecting plates are installed to the symmetry on the roof of shell, two spread grooves of mutually supporting with the connecting plate are seted up to the symmetry on the diapire of fixed plate, symmetry elastic mounting has two fly leafs on the fixed plate, two and the fly leaf activity groove of mutually supporting are seted up to the fixed plate internal symmetry, two all install spacing inserted block on the lateral wall of fly leaf, two all set up the spacing jack of mutually supporting with spacing inserted block on the lateral wall of connecting plate.

Paste the shell tightly to the bottom of fixed plate and insert the connecting plate in the spread groove that corresponds on the fixed plate, fly leaf and spacing inserted block receive elasticity promotion back can be close to the connecting plate and insert the spacing jack that corresponds with the one end of spacing inserted block in, thereby can be with connecting plate and shell fixed mounting to fixed plate and building wall roof on, the same thing, one hand is pressed two fly leaves simultaneously and is promoted the outside to spacing jack with spacing inserted block, just can be convenient pull down connecting plate and shell from fixed plate and building wall roof, nonprofessionals just can be convenient install the dismantlement and can not damage building wall roof to smoke alarm, thereby can be convenient overhaul and change smoke alarm, the result of use of intelligent security alarm in wisdom district garden has further been improved.

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

1. the smoke detector senses that smoke concentration exceeds standard and then starts the fan to rapidly pump air in the building to the smoke detector, so that the monitoring range is large, the condition of false alarm can be reduced, unnecessary economic loss caused by starting of water spraying equipment after false alarm can be avoided, and the using effect of the intelligent security alarm in the intelligent park is improved.

2. The filter screen of installing the dismantlement to that can be convenient, consequently can be convenient change the filter screen to can select the filter screen of suitable big or small filtration pore according to service environment, promote the suitability of wisdom garden intelligent security alarm.

3. The filter screen can be cleared up the filter screen by automatic drive clearance mechanism after blockking up, need not artifical manual start clearance mechanism, has not only reduced occuping of manpower, can in time clear up the filter screen moreover to the stability of wisdom garden intelligent security alarm work has been promoted.

4. Nonprofessional personnel just can be convenient install the smog annunciator and dismantle and can not damage building wall roof to can be convenient overhaul and change smog annunciator, further improve the result of use of wisdom garden intelligent security alarm.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a side sectional view of the present invention;

FIG. 4 is a bottom view of the annular retainer frame of the present invention without the screen installed;

FIG. 5 is a bottom view of the annular retainer frame of the present invention with a screen installed;

FIG. 6 is a schematic view of the elastic push button switch of the present invention in an open state;

FIG. 7 is a schematic view of the elastic push button switch of the present invention in an open configuration;

fig. 8 is an enlarged view of the structure of part a of the present invention.

In the figure: 1. a housing; 2. a smoke detector; 3. an air inlet; 4. an exhaust hole; 5. an annular fixed frame; 6. an annular mounting frame; 7. filtering with a screen; 8. an annular positioning block; 9. positioning holes; 10. a magnetic block; 11. a pressure lever; 12. a fan; 13. an alarm indicator light; 14. installing a pipe; 15. an elastic button switch; 16. a two-way memory alloy wire; 17. a piston; 18. an electric heating tube; 19. a heat conducting liquid; 20. a heat dissipation plate; 21. a tapered plate; 22. an electromagnet; 23. a permanent magnet; 24. mounting a rod; 25. mounting a plate; 26. a steel needle; 27. an annular positioning frame; 28. piezoelectric ceramic plates; 29. a wind collecting cover; 30. fastening a bolt; 31. a fixing plate; 32. a groove; 33. a through hole; 34. a connecting plate; 35. connecting grooves; 36. a movable plate; 37. a movable groove; 38. limiting the inserting block; 39. limiting the jacks.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the invention provides an intelligent security alarm for an intelligent park, which has the following technical scheme:

an intelligent security alarm for a smart park comprises a shell 1 arranged on the top wall of a building wall, wherein a smoke-sensitive probe 2 is arranged on the inner side wall at the top end of the shell 1, an air inlet 3 is arranged at the bottom end of the shell 1, a plurality of exhaust holes 4 are uniformly arranged on the outer side wall at the top end of the shell 1, an annular fixed frame 5 is arranged on the inner side wall at the bottom end of the air inlet 3, an annular mounting frame 6 is detachably arranged in the annular fixed frame 5, a filter screen 7 is arranged on the inner side wall of the annular mounting frame 6, a fan 12 electrically connected with the smoke-sensitive probe 2 is arranged on the inner side wall at the middle end of the shell 1, a plurality of alarm indicator lamps 13 electrically connected with the smoke-sensitive probe 2 are arranged on the outer side wall of the shell 1, water-spraying fire-extinguishing equipment is arranged on the top wall of the building wall, a control component for controlling the water-spraying fire-extinguishing equipment to be opened and closed is connected on the smoke-sensitive probe 2, and a conical plate 21 is arranged on the inner side wall at the bottom end of the shell 1, and the conical plate 21 is located fan 12's downside, installs the clearance mechanism of mutually supporting with filter screen 7 in the conical plate 21, installs the drive assembly of drive clearance mechanism in the shell 1, and filter screen 7 blocks up back drive assembly automatic drive clearance mechanism and starts, is equipped with the installation component between the top of shell 1 and the building wall roof.

The air enters the shell 1 through the air inlet 3 at the bottom end and is discharged through the exhaust hole 4 at the top end, the fan 12 and the alarm indicator lamp 13 are both powered on and start after the smoke detector 2 senses that the smoke concentration exceeds the standard, the alarm indicator lamp 13 starts to alarm after being started, if someone smokes at the bottom end of the smoke alarm, the smoke detector can prompt to stop smoking in time, if a fire occurs, the smoke detector can play a role in warning in time, the air in the building is rapidly pumped to the smoke detector 2 through the bottom end of the air inlet 3 after the fan 12 is started, if only smoke with small area is caused by smoking, the smoke concentration sensed by the smoke detector 2 after the smoke detector 2 is diluted by the air in the building can rapidly fall below the specified minimum standard concentration, the fan 12 and the alarm indicator lamp 13 are both powered off and closed after the smoke detector 2 senses that the smoke concentration is lower than the minimum standard, if a fire occurs, the smoke concentration sensed by the smoke detector 2 can continuously rise, control assembly will start the water spray fire extinguishing apparatus and put out a fire this moment, and 2 perceptions of smoke sense probe start fan 12 after smoke concentration exceeds standard and draw the air in the building to 2 departments of smoke sense probe fast, and not only monitoring range is great, can reduce the condition that the mistake was reported to the police, can avoid moreover starting water spray apparatus after the mistake was reported to the police and cause unnecessary economic loss to the result of use of wisdom garden intelligent security alarm has been promoted.

As an embodiment of the invention, referring to fig. 4 and 5, an annular positioning block 8 which is matched with an annular mounting frame 6 is installed on the inner side wall of the annular fixing frame 5, a plurality of positioning rods are evenly installed on the top wall of the annular mounting frame 6, a plurality of positioning holes 9 which are matched with the positioning rods are evenly arranged on the bottom wall of the annular positioning block 8, so that the annular mounting frame 6 and a filter screen 7 can be accurately connected to the annular positioning block 8 and the annular fixing frame 5, a plurality of magnetic blocks 10 which are used for attracting the annular mounting frame 6 are installed on the bottom wall of the annular positioning block 8, the connection stability of the annular mounting frame 6 and the filter screen 7 with the annular positioning block 8 and the annular fixing frame 5 is improved, thereby can avoid the air current to strike the noise of sending when annular installing frame 6 and filter screen 7, rotate on the diapire of the fixed frame of annular 5 and install a plurality of depression bars 11 of mutually supporting with annular installing frame 6.

Connect annular installing frame 6 to the fixed frame 5 of annular and insert the locating lever in the locating hole 9 that corresponds, magnetism piece 10 this moment inhales tightly annular installing frame 6 and filter screen 7 in the bottom of the fixed frame 5 of annular locating piece 8 and annular, then rotate depression bar 11 and paste the one end of depression bar 11 tightly on the diapire of annular installing frame 6, just can be with annular installing frame 6 and filter screen 7 fixed mounting on the fixed frame 5 of annular and shell 1, the same reason, can be convenient pull down annular installing frame 6 and filter screen 7 from the bottom of the fixed frame 5 of annular and shell 1, can be convenient install filter screen 7 and dismantle, consequently can be convenient change filter screen 7, thereby can select the filter screen 7 in suitable big or small filtration pore according to service environment, the suitability of wisdom garden intelligent security alarm has been promoted.

Referring to fig. 6 and 7, as an embodiment of the present invention, the control assembly includes a mounting tube 14, an elastic button switch 15 connected to the water spray fire extinguishing apparatus is installed on an inner sidewall of a top end of the mounting tube 14, a two-way memory alloy wire 16 is installed on an inner sidewall of a bottom end of the mounting tube 14, a piston 17 matched with an inner wall of the mounting tube 14 is installed on a top end of the two-way memory alloy wire 16, an electric heating tube 18 electrically connected to the smoke detector 2 is installed on a bottom end of the mounting tube 14, a heat conducting liquid 19 matched with the electric heating tube 18 and the two-way memory alloy wire 16 is installed in the mounting tube 14, the heat conducting liquid 19 may be a liquid such as water, the two-way memory alloy wire 16 may be made of memory alloys with different thermal elasticity according to a use environment, and a plurality of heat dissipation plates 20 are installed on an outer sidewall of the bottom end of the mounting tube 14.

The electric heating tube 18 is powered on and heats the heat conducting liquid 19 in the installation tube 14 after the smoke sensing probe 2 senses that the smoke concentration exceeds the standard, the electric heating tube 18 is powered off and stops heating the heat conducting liquid 19 after the smoke concentration sensed by the smoke sensing probe 2 drops below the specified minimum standard concentration, at the moment, the heat radiating plate 20 can rapidly cool the heat conducting liquid 19 and the two-way memory alloy wire 16 maintains the original state, the electric heating tube 18 can continuously heat the heat conducting liquid 19 after the smoke concentration sensed by the smoke sensing probe 2 continuously rises, the two-way memory alloy wire 16 can stretch out and push the piston 17 to press the elastic button switch 15 upwards after the temperature of the heat conducting liquid 19 reaches the set value, the water spray fire extinguishing equipment is started to extinguish fire after the elastic button switch 15 is extruded, the water spray fire extinguishing equipment can be started to extinguish fire in time after a fire occurs, and unnecessary economic loss caused by starting the water spray equipment after an error alarm can be avoided, thereby the result of use of wisdom garden intelligent security alarm has been promoted.

Referring to fig. 3, as an embodiment of the present invention, the cleaning mechanism includes an electromagnet 22 installed at the top end of a conical plate 21, a permanent magnet 23 is elastically installed at the bottom end of the electromagnet 22, the magnetic properties of the permanent magnet 23 and the adjacent end of the electromagnet 22 repel each other, an installation rod 24 is installed at the bottom end of the permanent magnet 23, the bottom end of the installation rod 24 extends to the lower side of the conical plate 21, an installation plate 25 is installed at the bottom end of the installation rod 24, a plurality of steel needles 26 are evenly installed on the bottom wall of the installation plate 25, a plurality of filter holes are evenly installed on the filter screen 7, and the steel needles 26 correspond to the filter holes one by one. The tapered plate 21 is a non-ferromagnetic material.

Electromagnet 22 behind the circular telegram electromagnet 22 be close to permanent magnet 23 one end can produce and promote permanent magnet 23 with permanent magnet 23 repellent's magnetism, installation pole 24, mounting panel 25 and steel needle 26 downstream, just can release the impurity of blockking up in the filter screen hole behind the filter screen hole that steel needle 26 inserted on the filter screen 7 corresponds, thereby can avoid filter screen 7 to be blockked up, can be convenient clear up filter screen 7, thereby can avoid filter screen 7 to lead to smoke alarm to become invalid after blockking up, the stability of the work of wisdom garden intelligent security alarm has been promoted.

Referring to fig. 3 and 8, as an embodiment of the present invention, the driving assembly includes an annular positioning frame 27 installed on an inner side wall of a top end of the air inlet 3, the annular fixing frame 5 is elastically connected to a bottom end of the air inlet 3, the annular positioning frame 27 is located on an upper side of the annular fixing frame 5, a piezoelectric ceramic plate 28 electrically connected to the electromagnet 22 is installed on a bottom wall of the annular positioning frame 27, a wind-collecting cover 29 is installed at a bottom end of the fan 12, the wind-collecting cover 29 is attached to an inner side wall of the housing 1, the wind-collecting cover 29 covers top ends of the tapered plate 21 and the air inlet 3, and the wind-collecting cover 29 can improve a suction force of the fan 12 to air at the bottom end of the air inlet 3.

After the filter screen 7 is blocked, the resistance of the filter screen 7, the annular mounting frame 6 and the annular fixing frame 5 to the air is increased, the fan 12 is connected with a delay switch, namely, the fan 12 is powered off and closed after the smoke concentration sensed by the smoke sensing probe 2 is reduced to below the specified minimum standard concentration for ten seconds, the fan 12 rotates to suck the annular fixed frame 5 at the bottom end, the annular mounting frame 6 and the filter screen 7 to move upwards after the filter screen 7 is blocked, the annular fixed frame 5 extrudes the piezoelectric ceramic plate 28 at the top end after moving upwards and energizes the electromagnet 22, thereby the cleaning mechanism can be started to clean the filter screen 7, the cleaning mechanism can be automatically driven to clean the filter screen 7 after the filter screen 7 is blocked, the manual starting of the cleaning mechanism is not needed, the occupation of manpower is reduced, and can in time clear up filter screen 7 to the stability of wisdom garden intelligent security alarm work has further been promoted.

As an embodiment of the present invention, referring to fig. 2 and 3, the mounting assembly includes a fixing plate 31 fixed on the top wall of the building wall by using a fastening bolt 30, a plurality of grooves 32 formed on the bottom wall of the fixing plate 31 and engaged with the fastening bolt 30, the fixing plate 31 is fixed on the top wall of the building wall so as to attach the housing 1 to the bottom end of the fixing plate 31, a through hole 33 formed at the middle end of the fixing plate 31 for connecting wires such as electric wires to the housing 1 through the through hole 33, two connecting plates 34 symmetrically installed on the top wall of the housing 1, two connecting grooves 35 symmetrically formed on the bottom wall of the fixing plate 31 and engaged with the connecting plates 34, two movable plates 36 symmetrically and elastically installed on the fixing plate 31, two movable grooves 37 symmetrically formed in the fixing plate 31 and engaged with the movable plates 36, and limit inserts 38 installed on the outer sidewalls of the two movable plates 36, the outer side walls of the two connecting plates 34 are provided with limiting insertion holes 39 matched with the limiting insertion blocks 38, the bottom walls of the two ends of the limiting insertion blocks 38 are inclined planes, and the inclined planes of the limiting insertion blocks 38 can push the limiting insertion blocks 38 and the movable plate 36 to retract into the movable groove 37 after being extruded, so that the connecting plates 34 can be conveniently inserted into the connecting grooves 35 from the bottom ends of the fixing plates 31.

Paste shell 1 tightly to the bottom of fixed plate 31 and insert connecting plate 34 in the spread groove 35 that corresponds on fixed plate 31, can be close to and insert corresponding spacing jack 39 with the one end of spacing jack 38 to connecting plate 34 after fly leaf 36 and spacing jack 38 receive elasticity to promote, thereby can be with connecting plate 34 and 1 fixed mounting of shell to fixed plate 31 and building wall roof on, the same thing, two fly leaves 36 are pressed simultaneously and promote spacing jack 38 to the outside of spacing jack 39 to one hand, what just can be convenient pulls down connecting plate 34 and shell 1 from fixed plate 31 and building wall roof, non professional just can be convenient installs the dismantlement and can not damage building wall roof to smoke alarm, thereby can be convenient overhaul and change smoke alarm, the result of use of wisdom garden intelligent security alarm has further been improved.

The working principle is as follows: the air enters the shell 1 through the air inlet 3 at the bottom end and is discharged through the exhaust hole 4 at the top end, the fan 12 and the alarm indicator lamp 13 are both powered on and start after the smoke detector 2 senses that the smoke concentration exceeds the standard, the alarm indicator lamp 13 starts to alarm, if someone smokes at the bottom end of the smoke alarm, smoking can be reminded to stop in time, if a fire occurs, a warning effect can be played in time, the air in the building is rapidly pumped to the smoke detector 2 through the bottom end of the air inlet 3 after the fan 12 is started, if only smoke with small area is caused by smoking, the smoke concentration sensed by the smoke detector 2 after the air in the building is diluted can be rapidly reduced to be below the specified minimum standard concentration, the fan 12 and the alarm indicator lamp 13 are both powered off and closed after the smoke detector 2 senses that the smoke concentration is lower than the minimum standard, the electric heating tube 18 is powered on and heats the heat conducting liquid 19 in the installation tube 14 after the smoke detector 2 senses that the smoke concentration exceeds the minimum standard, after the smoke concentration sensed by the smoke-sensing probe 2 is reduced to be below the specified minimum standard concentration, the electric heating tube 18 is powered off and stops heating the heat-conducting liquid 19, at the moment, the heat-radiating plate 20 can quickly cool the heat-conducting liquid 19, the two-way memory alloy wire 16 is kept unchanged, the electric heating tube 18 can continuously heat the heat-conducting liquid 19 after the smoke concentration sensed by the smoke-sensing probe 2 is continuously increased, the two-way memory alloy wire 16 can stretch out and push the piston 17 to press the elastic button switch 15 upwards after the temperature of the heat-conducting liquid 19 reaches a set value, the elastic button switch 15 is extruded, then the water-spraying fire-extinguishing equipment is started to extinguish a fire, the fan 12 is started to quickly pump air in a building to the smoke-sensing probe 2 after the smoke concentration sensed by the smoke-sensing probe 2 exceeds the standard, the monitoring range is large, the situation of false alarm can be reduced, and unnecessary economic loss caused by starting the water-spraying equipment after the false alarm can be avoided; after the filter screen 7 is blocked, the resistance of the filter screen 7, the annular mounting frame 6 and the annular fixing frame 5 to air is increased, the fan 12 is connected with a delay switch, namely the power of the fan 12 is cut off after the smoke concentration sensed by the smoke sensing probe 2 is reduced to below the specified minimum standard concentration for ten seconds, the annular fixing frame 6 and the filter screen 7 at the bottom end are sucked by the rotation of the fan 12 after the filter screen 7 is blocked, the annular mounting frame 6 and the filter screen 7 move upwards, the piezoelectric ceramic plate 28 at the top end is extruded by the upward movement of the annular fixing frame 5 and the electromagnet 22 is electrified, the end of the electromagnet 22 close to the permanent magnet 23 generates magnetism repellent to the permanent magnet 23 and pushes the permanent magnet 23, the mounting rod 24, the mounting plate 25 and the steel needle 26 to move downwards, the steel needle 26 is inserted into the corresponding filter screen hole on the filter screen 7 and then can push out impurities blocked in the filter screen hole, thereby avoiding the filter screen 7, can be convenient clear up filter screen 7 to can avoid filter screen 7 to lead to smoke alarm to become invalid after blockking up.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

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.