CN210865063U

CN210865063U - Independent photoelectric smoke-sensing fire detection alarm

Info

Publication number: CN210865063U
Application number: CN201921570121.4U
Authority: CN
Inventors: 杨雪鸣
Original assignee: Erwan Electronic Technology Suzhou Co ltd
Current assignee: Erwan Electronic Technology Suzhou Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-26
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses an independent photoelectric smoke-sensing fire detection alarm, which comprises an upper cover, a lower cover, a labyrinth cavity, a sound cavity, an alarm lamp, a PCB, a fool-proof key and a fixed seat; the upper surface of the battery jar is provided with a notch, one side of the battery jar close to the notch is provided with a positioning groove, a fool-proof key is inserted into the positioning groove, and an SIM card is embedded in the lower cover; the utility model discloses a set up the fool-proof key, when there is not the battery in the battery jar, the fool-proof key inserts in the recess of fixing base under the elastic action of fool-proof spring, makes the fixing base can't rotate, thereby makes the fixing base can't install, reminds the user to install the battery indirectly, reaches the fool-proof purpose, avoids neglected loading the battery, the smoke detector does not have the reaction when leading to the accident; the utility model discloses a built-in SIM card, after the disaster condition takes place, the cigarette sensilla sends alarm text to high in the clouds server through the SIM card, and all cigarette sensilla interconnections can be supported simultaneously to the high in the clouds server, ensures that the disaster condition takes place the highest priority in back and notifies owner, and the security is higher.

Description

Independent photoelectric smoke-sensing fire detection alarm

Technical Field

The utility model relates to a security protection field specifically is a stand alone type photoelectric sensing cigarette fire detection alarm.

Background

Photoelectric smoke detectors, also point-type detectors, have been developed using the fundamental property that smoke generated during a fire can alter the propagation characteristics of the light. According to the absorption and scattering effect of the smoke particles on the light. The photoelectric smoke detector is divided into a shading type and an astigmatism type. The general point type photoelectric smoke detector belongs to a light scattering type, and the line type beam detector is a light shading type. The photoelectric smoke fire detector has the working principle that a photosensitive electrode generates an electric signal under the irradiation of laser, and when fire smoke shields the laser, the electrode loses power and sends an alarm signal.

The independent photoelectric smoke-sensing fire detection alarm is an important electronic product for preventing fire in places such as families, schools, warehouses and the like at present, and is powered by a built-in battery, so that the phenomenon of battery leakage during assembly is easy to occur, a smoke sensor does not react when an accident occurs, and a major accident is caused; when most of products in the market are potential safety hazards, the networking module sends data to the server, the server sends alarm information to the mobile phone APP to inform the owner of the potential safety hazards, the server only supports 30 devices to be interconnected at most, and the mobile phone APP safety hazard management system has great limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stand alone type photoelectric sensing cigarette fire detection alarm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an independent photoelectric smoke-sensing fire detection alarm comprises an upper cover, a lower cover, a labyrinth cavity, a sound cavity, an alarm lamp, a PCB (printed circuit board), a fool-proof key and a fixed seat; the upper cover and the lower cover are mutually matched and occluded through buckles arranged on opposite surfaces respectively, the inner walls of the upper cover and the lower cover are embedded with dust screens, the labyrinth cavity, the sound cavity and the alarm lamp are fixed in a space surrounded by the dust screens, the middle part of the upper cover is provided with a key, and the inner end part of the key is provided with a compression reset spring;

the bottom of the lower cover is sealed by a fixed seat, a battery jar is arranged in the lower cover, a lithium battery is embedded in the battery jar, the upper surface of the battery jar is provided with a notch, one side of the battery jar, which is close to the notch, is provided with a positioning groove, and a foolproof key is inserted into the positioning groove; the top of the fool-proof key is provided with a positioning column, a fool-proof spring is sleeved on the positioning column, one side of the top of the fool-proof key is provided with a limiting bent plate bent towards the direction of the opening, and an SIM card is embedded in the lower cover.

Preferably, the outer eaves of upper cover are provided with a plurality of upper semi-holes that pass through cigarette, and the outer eaves of lower cover corresponds position department and is provided with a plurality of lower semi-holes that pass through cigarette, goes up semi-hole that pass through cigarette and the closed formation of lower semi-hole that pass through cigarette hole.

Preferably, the PCB board inlays the dress and prevents slow-witted spring to the butt in the lower cover, and PCB board both ends are provided with respectively with the battery negative pole spring and the anodal spring of battery of lithium cell adaptation.

Preferably, the fixing seat and the lower cover are connected and fixed through a tapping screw.

Preferably, the positioning groove is a structure with openings at the upper end and the lower end communicated with each other, and a groove is arranged at the position of the fixed seat corresponding to the positioning groove.

Preferably, the labyrinth cavity comprises a signal transmitting lamp and a signal receiving lamp, and the upper cover is provided with a buzzer.

Preferably, the information of the SIM card is printed on the packaging box in the form of a two-dimensional code, the two-dimensional code is used for completing applet registration, and the SIM card is connected with the cloud server through the NBIoT module.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting up prevents slow-witted key, be provided with the opening on the battery jar, prevent that spacing bent plate on the slow-witted key passes through the lithium cell butt in opening and the battery jar, when the battery is gone up to the battery jar, spacing bent plate loses the butt point, prevent that the slow-witted key inserts in the recess of fixing base under the elastic action of slow-witted spring for the fixing base can't rotate, thereby make the unable installation of fixing base, indirectly remind user installation battery, reach and prevent slow-witted purpose, avoid neglected loading battery, smoke detector unresponsiveness when leading to the occurence of failure.

2. The utility model discloses a built-in SIM card, after the disaster condition takes place, the cigarette sensor passes through the SIM card and sends alarm text to high in the clouds server, and the high in the clouds server can support all cigarette sensor interconnections simultaneously, and high in the clouds server inquiry SIM card information finds corresponding main mobile phone number, dials the main phone and sends the warning SMS through the high in the clouds server is automatic, does not send alarm information through APP, ensures that the disaster condition takes place the main phone of highest priority notice, and the security is higher.

Drawings

FIG. 1 is an overall exploded view of the present invention;

fig. 2 is a schematic structural diagram of the lower cover of the present invention;

FIG. 3 is a schematic view of the connection structure between the fool-proof key and the lower cover of the present invention;

fig. 4 is a schematic structural diagram of the fool-proof key of the present invention;

FIG. 5 is a schematic view of the connection structure between the button and the upper cover of the present invention;

fig. 6 is a schematic view of the whole assembly of the present invention.

In the figure: 1. a dust screen; 2. a fool-proof key; 3. a smoke permeable hole; 4. a lower cover; 401. a lower smoke-permeable half-hole; 402. a battery case; 403. opening the gap; 404. positioning a groove; 5. a self-tapping screw; 6. a lithium battery; 7. a fixed seat; 8. an upper cover; 801. a smoke-permeable half-hole is arranged; 9. pressing a key; 10. compressing the return spring; 11. a PCB board; 12. a sound cavity; 13. a battery negative spring; 14. a uterine cavity; 15. a battery positive electrode spring; 16. an alarm lamp; 17. a SIM card; 18. and (5) buckling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: an independent photoelectric smoke-sensing fire detection alarm comprises an upper cover 8, a lower cover 4, a labyrinth cavity 14, a sound cavity 12, an alarm lamp 16, a PCB 11, a fool-proof key 2 and a fixed seat 7; the upper cover 8 and the lower cover 4 are mutually matched and occluded through buckles 18 arranged on opposite surfaces respectively, the inner walls of the upper cover 8 and the lower cover 4 are embedded into the dustproof net 1, the labyrinth cavity 14, the sound cavity 12 and the alarm lamp 16 are fixed in a space surrounded by the dustproof net 1, the middle part of the upper cover 8 is provided with a key 9, and the inner end part of the key 9 is provided with a compression return spring 10;

the bottom of the lower cover 4 is sealed by a fixed seat 7, a battery jar 402 is arranged in the lower cover 4, a lithium battery 6 is embedded in the battery jar 402, a notch 403 is arranged on the upper surface of the battery jar 402, a positioning groove 404 is arranged on one side of the battery jar 402 close to the notch 403, and a foolproof key 2 is inserted into the positioning groove 404; the top of the fool-proof key 2 is provided with a positioning column 201, the fool-proof spring 202 is sleeved on the positioning column 201, one side of the top of the fool-proof key 2 is provided with a limiting bent plate 203 bent towards the direction of the opening 403, and the SIM card 17 is embedded in the lower cover 4.

Further, the outer eaves of upper cover 8 are provided with a plurality of on half holes 801 that pass through cigarette, and the outer eaves of lower cover 4 corresponds position department and is provided with a plurality of down half holes 401 that pass through cigarette, goes up half holes 801 that pass through cigarette and the closed formation of half holes 401 that pass through cigarette hole 3 that pass through cigarette.

Further, the PCB 11 is embedded in the lower cover 4 and abuts against the fool-proof spring 202, and a battery negative electrode spring 13 and a battery positive electrode spring 15 adapted to the lithium battery 6 are respectively disposed at two ends of the PCB 11.

Further, the fixed seat 7 and the lower cover 4 are connected and fixed through a tapping screw 5.

Furthermore, the positioning groove 404 is a structure with openings at the upper and lower ends communicated with each other, and a groove is provided at a position of the fixing base 7 corresponding to the positioning groove 404.

Furthermore, the labyrinth cavity 14 comprises a signal transmitting lamp and a signal receiving lamp, and the upper cover 8 is provided with a buzzer.

Further, the information of the SIM card 17 is printed on the package in the form of a two-dimensional code, the two-dimensional code is used for completing applet registration, and the SIM card 17 is connected with the cloud server through the NBIoT module.

The working principle is as follows: during assembly, positioning grooves are designed in the upper cover 8 and the lower cover 4 and are connected and assembled through a buckle 18; through setting up fool-proof key 2, be provided with opening 403 on battery jar 402, spacing bent plate 203 on the fool-proof key 2 passes through opening 403 and the interior lithium cell 6 butt of battery jar 402, when no battery in the battery jar 402, spacing bent plate 203 loses in the opening 403 that the butt point impressed downwards, fool-proof key 2 is downstream under the elastic action of fool-proof spring 202, insert in the recess of fixing base 7, make fixing base 7 unable rotation, thereby make the unable installation of fixing base 7, indirectly remind user's installation battery, reach the fool-proof purpose, avoid neglected loading battery, smoke detector non-reaction when leading to the occurence of failure.

The built-in SIM card of photoelectric smoke sensing fire detection alarm, SIM card information can be printed the packing carton with the form of two-dimensional code on, and the user is when registering through little letter applet, needs to scan this two-dimensional code and accomplishes the registration, accomplishes the correspondence of SIM card information and owner's cell-phone number like this. When the smoke sensor works normally, the smoke sensor is connected to the Internet through the SIM card and the NBIoT module, namely a cloud server; sending a heartbeat packet to a server under the condition of no alarm, wherein the content of the heartbeat packet comprises the information of the local SIM card; when a disaster occurs, smoke enters the labyrinth cavity 14 through the smoke through holes 3, and after the smoke is sensed by the signal transmitting lamp and the signal receiving lamp, the alarm lamp 16 flickers and the buzzer buzzes. The built-in SIM card automatically sends an alarm message to the server, and the alarm message contains the information of the local SIM card. And the server receives the alarm message, adjusts the alarm message to the highest priority, finds the corresponding mobile phone number of the owner by inquiring the SIM card information, and informs the owner through a server call or a short line.

The alarm system is internally provided with the SIM card, after a disaster happens, the SIM card sends an alarm text to the cloud server, the cloud server can simultaneously support the interconnection of all smoke sensors, the cloud server inquires the information of the SIM card to find out a corresponding mobile phone number of a main phone, the cloud server automatically dials the main phone and sends a short message, the APP does not send alarm information, and the highest priority is ensured to inform the main phone of the main phone after the disaster happens

It is worth noting that: the whole device is controlled by the master control module, and the equipment matched with the control module is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

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. A self-contained photoelectric smoke-sensing fire detection alarm is characterized by comprising an upper cover (8), a lower cover (4), a labyrinth cavity (14), a sound cavity (12), an alarm lamp (16), a PCB (11), a fool-proof key (2) and a fixed seat (7); the upper cover (8) and the lower cover (4) are respectively matched and occluded with each other through buckles (18) arranged on opposite surfaces, the dustproof net (1) is embedded in the inner walls of the upper cover (8) and the lower cover (4), the labyrinth cavity (14), the sound cavity (12) and the alarm lamp (16) are fixed in a space surrounded by the dustproof net (1), a key (9) is arranged in the middle of the upper cover (8), and a compression reset spring (10) is arranged at the inner end of the key (9);

the bottom of the lower cover (4) is sealed by a fixed seat (7), a battery jar (402) is arranged in the lower cover (4), a lithium battery (6) is embedded in the battery jar (402), a notch (403) is formed in the upper surface of the battery jar (402), a positioning groove (404) is formed in one side, close to the notch (403), of the battery jar (402), and a foolproof key (2) is inserted into the positioning groove (404); the top of the fool-proof key (2) is provided with a positioning column (201), the fool-proof spring (202) is sleeved on the positioning column (201), a limiting bent plate (203) bent towards the direction of the opening (403) is arranged on one side of the top of the fool-proof key (2), and an SIM card (17) is embedded in the lower cover (4).

2. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 wherein: the outer eaves of upper cover (8) are provided with a plurality of on and pass through cigarette half-holes (801), and the outer eaves of lower cover (4) correspond position department and are provided with a plurality of down and pass through cigarette half-holes (401), go up to pass through cigarette half-holes (801) and pass through cigarette half-holes (401) closed formation and pass through cigarette hole (3) down.

3. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 wherein: the PCB (11) is embedded in the lower cover (4) and is abutted against the fool-proof spring (202), and a battery negative electrode spring (13) and a battery positive electrode spring (15) which are matched with the lithium battery (6) are respectively arranged at two ends of the PCB (11).

4. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 wherein: the fixed seat (7) and the lower cover (4) are fixedly connected through a tapping screw (5).

5. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 wherein: the positioning groove (404) is a structure with openings at the upper end and the lower end communicated, and a groove is arranged at the position of the fixed seat (7) corresponding to the positioning groove (404).

6. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 wherein: the uterine cavity (14) comprises a signal transmitting lamp and a signal receiving lamp, and the upper cover (8) is provided with a buzzer.

7. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 wherein: the information of the SIM card (17) is printed on the packaging box in a two-dimensional code mode, the two-dimensional code is used for completing applet registration, and the SIM card (17) is connected with the cloud server through the NBIoT module.