CN213123265U

CN213123265U - Photoelectric smoke fire detector

Info

Publication number: CN213123265U
Application number: CN202022441758.2U
Authority: CN
Inventors: 林贵鹏; 张巍译; 林梓键; 郑裕金; 曾小清
Original assignee: First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Current assignee: First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-05-04
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a photoelectric smoke fire detector relates to the smoke detector field, including the alarm main part, the inside control mainboard that is equipped with of alarm main part, control mainboard surface includes photoelectric sensor, light receiving element and bee calling organ, and photoelectric sensor, light receiving element and bee calling organ all with control mainboard electric connection, photoelectric sensor and light receiving element are adjacent, and photoelectric sensor and light receiving element electric connection. By adopting the NB-lot technology, large-scale NB-lot network groups and mixed network groups can be realized, the transmission range is large, and the indoor coverage is good; the NB-lot does not need a gateway, is in wireless transmission, does not need wiring and is convenient to install, and the service life of the battery is prolonged by three to five years; real-time networking, intelligent monitoring, centralized control and joint alarm; large capacity, strong expandability, low maintenance cost and energy conservation.

Description

Photoelectric smoke fire detector

Technical Field

The utility model relates to a smoke detector technical field especially relates to photoelectric smoke fire detector.

Background

Smoke detectors, also known as smoke detectors, smoke-sensitive fire detectors, smoke probes, and smoke sensors. The product is suitable for fire alarm in house, shop, dance hall, warehouse, etc. The process of fire is generally accompanied by smoke, heat and light. In the initial stage of a fire, since the temperature is low, substances are mostly in a smoldering stage, and therefore, a large amount of smoke is generated. Smoke is one of important characteristics of early fire, and a smoke-sensitive fire detector is developed by utilizing the characteristics, can respond to visible or invisible smoke particles, and is a device for converting the change of smoke concentration of a detection part into an electric signal to realize the purpose of alarming.

The smoke detectors are installed in buildings such as residential buildings, shopping malls, shops and the like at present, but the existing smoke detectors are not good enough in technology and cannot effectively prevent fire, only alarm notification is adopted when the fire becomes large, the early warning time is too long, the problems of small disasters and large disasters are solved, and the life and property safety of people can be seriously harmed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a photoelectric smoke fire detector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: photoelectric smoke fire detector, including the alarm main part, the inside control mainboard that is equipped with of alarm main part, control mainboard surface includes photoelectric sensor, light receiving element and bee calling organ, and photoelectric sensor, light receiving element and bee calling organ all with control mainboard electric connection, photoelectric sensor and light receiving element are adjacent, and photoelectric sensor and light receiving element electric connection.

Preferably, an alarm base is arranged at the bottom of the alarm main body and fixedly connected with the alarm base, two limiting blocks are arranged on the side face of the alarm base and are arranged on the same central axis of the alarm base.

Preferably, alarm base bottom surface is equipped with the mounting panel, two alignment grooves have been seted up on the mounting panel surface, and two alignment grooves are corresponding with the stopper of alarm base, and alarm base and mounting panel pass through stopper swing joint.

Preferably, alarm main part surface is equipped with the self-checking button, and self-checking button and alarm main part surface swing joint, and self-checking button and control mainboard electric connection, and is adjacent the alarm main part surface of self-checking button is equipped with LED alarm indicator, and LED alarm indicator and bee calling organ electric connection.

Preferably, the top of the alarm main body is provided with a dustproof cover, a connecting column is arranged between the dustproof cover and the top surface of the alarm main body in a circular array mode, and the dustproof cover and the top surface of the alarm main body are fixed through the connecting column.

Preferably, a fixing plate is fixed to the bottom of the mounting plate, fixing nuts are arranged at corners of the surface of the fixing plate, and the fixing plate and the indoor top surface are fixed through the fixing nuts in a threaded mode.

Preferably, the length and the width of the limiting block are equal to those of the alignment groove, the radian of the corner of the limiting block is equal to that of the mounting plate, and the end part of the limiting block is completely attached to the inner wall of the mounting plate.

Advantageous effects

The utility model adopts the NB-lot technology, can realize the NB-lot large-scale network group and the mixed network group, has large transmission range and good indoor coverage; the NB-lot does not need a gateway, is in wireless transmission, does not need wiring and is convenient to install, and the service life of the battery is prolonged by three to five years; real-time networking, intelligent monitoring, centralized control and joint alarm; large capacity, strong expandability, low maintenance cost and energy conservation.

The utility model discloses in, through the spacing installation between mounting panel and the alarm base, the stopper corresponds with aligning the groove earlier, rotating 90 degrees with the mounting panel, just can be fixed mounting panel and whole alarm main part, and do not need other mechanical structure, especially in the aspect of the building, every corridor and corridor all need smoke detector, installation time and manpower are not only saved to installation structure is simple, can be applicable to various occasions simultaneously, no matter resident's house, the market etc. all can use.

The utility model discloses in, get into the alarm when smog, make the light source produce the scattering, light receiving element experiences the luminous intensity, received luminous intensity and smoke concentration have certain linear relation, the alarm is to the continuous collection of on-the-spot parameter, analysis and judgement, when confirming the luminous intensity of field data and reaching predetermined threshold value, equipment can send alarm signal, and send the warning phone through the phone very first time, can inform five people simultaneously, real-time supervision can shorten alarm time, reduce property and casualties.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a top cross-sectional view of the present invention;

fig. 3 is a test cross-sectional view of the present invention;

fig. 4 is a front view of the present invention.

Illustration of the drawings:

1. an alarm base; 2. mounting a plate; 3. a dust cover; 4. connecting columns; 5. a self-checking button; 6. an LED alarm signal lamp; 7. an alarm main body; 8. a fixing plate; 9. fixing the bolt; 10. a limiting block; 11. a control main board; 12. a light receiving element; 13. a photosensor; 14. a buzzer; 15. aligned with the slot.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, photoelectric smoke fire detector, including alarm main part 7, inside control mainboard 11 that is equipped with of alarm main part 7, control mainboard 11 surface includes photoelectric sensor 13, light receiving element 12 and bee calling organ 14, and photoelectric sensor 13, light receiving element 12 and bee calling organ 14 all with control mainboard 11 electric connection, photoelectric sensor 13 and light receiving element 12 are adjacent, and photoelectric sensor 13 and light receiving element 12 electric connection, alarm main part 7 surface is equipped with self-checking button 5, and self-checking button 5 and alarm main part 7 surface swing joint, and self-checking button 5 and control mainboard 11 electric connection, alarm main part 7 surface of adjacent self-checking button 5 is equipped with LED alarm signal lamp 6, and LED alarm signal lamp 6 and bee calling organ 14 electric connection.

The NB-lot technology is adopted, the NB-lot focuses on the market of low-power-consumption wide-coverage Internet of things, is a novel technology which can be widely applied in the global range, has the characteristics of wide coverage, more connections, high speed, low cost, low power consumption, excellent architecture and the like, and by applying the NB-lot Internet of things technology, the large-scale network group and the mixed network group of NB-lot can be realized, the transmission range is large, and the indoor coverage is good; the nb-lot is free of a gateway, wireless transmission is achieved, wiring and installation are not needed, and the service life of the battery is prolonged by three to five years; real-time networking, intelligent monitoring, centralized control and joint alarm; the capacity is large, the expandability is strong, and the maintenance cost is low.

The self-checking button 5 of the alarm is used for self-checking and silencing of the alarm, when the button is pressed for two seconds for a long time, the alarm sounds, the button is pressed again or the normal working state of the alarm is recovered after 20 seconds, the LED alarm signal lamp 6 is turned on once in 30 seconds in the normal working state, and when a fire disaster happens, the alarm is turned on in a red light.

The bottom of the alarm main body 7 is provided with an alarm base 1, the alarm main body 7 is fixedly connected with the alarm base 1, two limiting blocks 10 are arranged on the side surface of the alarm base 1, the limiting block 10 is arranged on the same central axis of the alarm base 1, the bottom surface of the alarm base 1 is provided with the mounting plate 2, the surface of the mounting plate 2 is provided with two alignment grooves 15, the two alignment grooves 15 correspond to the limiting blocks 10 of the alarm base 1, the alarm base 1 is movably connected with the mounting plate 2 through the limiting blocks 10, the length and the width of the limiting blocks 10 are equal to those of the alignment grooves 15, and the corner radian of stopper 10 equals the radian of mounting panel 2, and the tip of stopper 10 laminates the 2 inner walls of mounting panel completely, and 2 bottoms of mounting panel are fixed with

fixed plate

8, and 8 surperficial turnings of fixed plate all are equipped with fixing bolt 9, and the top surface passes through fixing bolt 9 threaded fixation in fixed plate 8 and the room.

Through the spacing installation between mounting panel 2 and the alarm base 1, stopper 10 corresponds with alignment groove 15 earlier, rotating 90 degrees with mounting panel 2, just can be fixed mounting panel 2 and whole alarm main part 7, and do not need other mechanical structure, especially in the aspect of the building, every corridor and corridor all need smoke detector, installation time and manpower are not only saved to mounting structure is simple, can be applicable to various occasions simultaneously, no matter resident's house, market etc., all can use.

Alarm main part 7 top is equipped with shield 3, and there is spliced pole 4 circular array between shield 3 and the 7 top surfaces of alarm main part, and shield 3 and the 7 top surfaces of alarm main part are fixed through spliced pole 4.

The utility model discloses a theory of operation: when smoke enters the alarm, the light source is scattered, the light receiving element 12 senses the light intensity, the received light intensity and the smoke concentration have a certain linear relation, the alarm continuously collects, analyzes and judges field parameters, when the light intensity of field data is confirmed to reach a preset threshold value, a red LED alarm signal lamp 6 of the alarm is turned on, a buzzer 14 is started to alarm, meanwhile, the equipment can send out an alarm signal, an alarm telephone is sent out through the telephone at the first time, and five workers are informed at the same time. When the smoke disappears, the alarm automatically restores to a normal working state, real-time monitoring can be realized through the NB-lot technology, the alarm time can be shortened, and property and casualties are reduced.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Photoelectric smoke fire detector, including alarm main part (7), its characterized in that: alarm main part (7) inside is equipped with control mainboard (11), control mainboard (11) surface includes photoelectric sensor (13), light receiving element (12) and bee calling organ (14), and photoelectric sensor (13), light receiving element (12) and bee calling organ (14) equal and control mainboard (11) electric connection, photoelectric sensor (13) and light receiving element (12) are adjacent, and photoelectric sensor (13) and light receiving element (12) electric connection.

2. The photoelectric smoke fire detector of claim 1, wherein: alarm main part (7) bottom is equipped with alarm base (1), and alarm main part (7) and alarm base (1) fixed connection, alarm base (1) side is equipped with two stopper (10), and stopper (10) are on the same axis of alarm base (1).

3. The photoelectric smoke fire detector of claim 2, wherein: alarm base (1) bottom surface is equipped with mounting panel (2), mounting panel (2) surface has been seted up two and has been aimed at groove (15), and two stopper (10) of aiming at groove (15) and alarm base (1) are corresponding, and alarm base (1) and mounting panel (2) pass through stopper (10) swing joint.

4. The photoelectric smoke fire detector of claim 1, wherein: alarm main part (7) surface is equipped with self-checking button (5), and self-checking button (5) and alarm main part (7) surface swing joint, and self-checking button (5) and control mainboard (11) electric connection, and is adjacent alarm main part (7) surface of self-checking button (5) is equipped with LED alarm signal lamp (6), and LED alarm signal lamp (6) and bee calling organ (14) electric connection.

5. The photoelectric smoke fire detector of claim 1, wherein: alarm main part (7) top is equipped with shield (3), circular array has spliced pole (4) between shield (3) and alarm main part (7) top surface, and shield (3) and alarm main part (7) top surface pass through spliced pole (4) and fix.

6. The photoelectric smoke fire detector of claim 3, wherein: the mounting panel (2) bottom is fixed with fixed plate (8), fixed plate (8) surface corner all is equipped with fixing bolt (9), and fixing bolt (9) thread tightening is passed through to fixed plate (8) and roof.

7. The photoelectric smoke fire detector of claim 2, wherein: the length and the width of stopper (10) equal the length and the width of aiming at groove (15), and the corner radian of stopper (10) equals the radian of mounting panel (2), and the tip of stopper (10) laminating mounting panel (2) inner wall completely.