CN213276907U

CN213276907U - Electrical fire alarm device

Info

Publication number: CN213276907U
Application number: CN202022649934.1U
Authority: CN
Inventors: 黄威; 轩超群; 申伟; 杨琨; 展长健; 胡太行
Original assignee: Henan Hengrui Electric Power Equipment Co ltd
Current assignee: Henan Hengrui Electric Power Equipment Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-05-25
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an electric fire alarm device, including the main casing body and fixed loop bar, the both ends of fixed loop bar all movable mounting have the telescopic link, and the rear end surface vertical of telescopic link installs the lapping plate frame, the collection smoke chamber is installed to the bottom of the main casing body, and the main casing body bottom of collection smoke chamber one side installs smoke induction component, the internally mounted of collection smoke chamber has smoking filtering mechanism, the main casing internally mounted of collection smoke chamber one side has the delay passageway, the main casing internally mounted of delay passageway top has harmful gas detection component, the dust screen mouth is installed on the top of the main casing body, and alarm mechanism is installed on the main casing body top of dust screen mouth one side. The utility model discloses a be provided with a series of structures for this electric fire alarm device, the perception smog condition when realizing the alarm operation, has stand-by power supply, and can collect poisonous and harmful substance, avoids the diffusion to cause phenomenons such as poisoning to take place in external environment.

Description

Electrical fire alarm device

Technical Field

The utility model relates to an electrical safety technical field specifically is an electrical fire alarm device.

Background

The fire alarm device is a control indicating device which is used for receiving, displaying and transmitting a fire alarm signal and can send a control signal and has other auxiliary functions in an automatic fire alarm system.

In the conventional electrical fire alarm device, the leakage fire is generally monitored, and the device has a single function similar to a general fire alarm device, and only has a fire alarm function, and is often fixedly installed on a ceiling of a specific area for use, and large-area fire monitoring is performed, so that accuracy may be affected, and in electrical equipment, particularly in industrial equipment, parts such as a large-sized electrical control cabinet, which easily have problems such as leakage fire, and the like, may need special monitoring, and if the alarm device is installed on the ceiling, due to a large area or a large distance, a bad phenomenon such as inaccurate or delayed discovery may occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric fire alarm device 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: the utility model provides an electric fire alarm device, includes the main casing body and installs the fixed loop bar on main casing body rear end surface, the both ends of fixed loop bar all movable mounting have the telescopic link, and the rear end perpendicular to surface of telescopic link installs the lapping plate frame, the collection smoke chamber is installed to the bottom of the main casing body, and the main casing body bottom of collection smoke chamber one side installs smog response part, the collection smoke chamber upwards extends to the top of the main casing body, and the internally mounted of collection smoke chamber has smoking filter mechanism, the main casing internally mounted of collection smoke chamber one side has the delay passageway, and delay passageway and collection smoke chamber switch on each other, the main casing internally mounted who is detained the passageway top has harmful gas detection part, the dust screen mouth is installed on the top of the main casing body, and alarm mechanism is installed on the main casing body top of dust.

Preferably, the inner rods are movably sleeved inside the two ends of the fixed loop bar, and the tail ends of the inner rods are connected with the telescopic rods.

Preferably, the surface of the fixed loop bar is provided with a positioning bolt through a screw hole, and the positioning bolt extends to the surface of the inner rod inside the fixed loop bar.

Preferably, the top surface of the lapping plate frame is provided with an assembly hole, and the bottom surface edge of the main shell body is provided with a smoke absorption hood.

Preferably, smoking filtering mechanism includes aspiration fan and active adsorption net rack, and the aspiration fan is installed in the inside in collection smoke chamber, and the active adsorption net rack is installed in the collection smoke intracavity portion of aspiration fan top.

Preferably, the alarm mechanism includes wireless part and audible-visual annunciator, and audible-visual annunciator installs the main casing body top in dust screen mouth one side, and wireless part installs the side surface at the main casing body.

Preferably, an isolation net is installed at the bottom end of the interior of the smoke collection cavity, and a standby power supply is installed inside the main shell above the smoke sensing component.

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

1. this electric fire alarm device, through the telescopic link, and use with interior pole combination, the motion in position about can relatively fixed loop bar carries out, realize flexible effect, and then change actual length and two intervals of taking between the grillage, and then be applicable to electric devices such as switch boards of different length models and use, through taking the grillage, for relative access board part about two, can overlap joint on external consumer, like the top edge of switch board, can form the fixed assembly effect to whole alarm device, when installing on electric devices such as electric control cabinet, can direct configuration at parts surfaces such as air outlet or cabinet door, carry out fire alarm detection operation to this region.

2. This electric fire alarm device, through the suction hood, can form great opening, be convenient for under the condition such as conflagration emergence, collect smog with the help of great surface area, be convenient for actual detection and warning, through the suction fan, can produce negative pressure suction after the start, under the condition that catches fire, especially under the condition that does not take place naked light but produces a large amount of smog, can collect smog, through the active adsorption rack, for active carbon adsorption material, can absorb the poisonous harmful substance in the smog, produce the filter effect, avoid diffusing in the external environment, avoid poisonous smog to cause the pollution to the external environment, avoid causing the injury to staff's the healthy.

3. This electric fire alarm device, through detaining the passageway, can carry out the side direction with the smog that gets into main casing internal portion and flow, and use with harmful gas detection part combination, can detect gas such as smog, realize the purpose of gaseous detection, through smog response part, actually for mainly detecting the alarm of naked light or smog, and carry out actual alarm operation with the help of audible-visual annunciator, through wireless component, can be under the condition that conflagration such as electric fire takes place, carry out alarm operation with the help of wireless signal transmission mode, be convenient for long-range accuse fire information, in time handle.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a telescopic rod; 2. a boarding frame; 3. a main housing; 4. a dustproof net port; 5. a wireless component; 6. fixing the loop bar; 7. positioning the bolt; 8. an inner rod; 9. an assembly hole; 10. an audible and visual alarm; 11. an air suction fan; 12. an active adsorption net rack; 13. a harmful gas detection part; 14. a retention channel; 15. a smoke sensing component; 16. a standby power supply; 17. an isolation net; 18. a smoke suction hood; 19. a smoke collection cavity.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the electrical fire alarm device of the present embodiment includes a main housing 3 and a fixed loop bar 6 installed on the rear end surface of the main housing 3, the main housing 3 is integrally and fixedly installed on the fixed loop bar 6, the fixed loop bar 6 is fixed in structural form, during actual assembly, in order to be mounted in a hanging manner, both ends of the fixed loop bar 6 are movably installed with a telescopic rod 1, and can actually perform telescopic movement relative to both ends of the fixed loop bar 6, so as to change the actual position relationship, and a strap frame 2 is vertically installed on the rear end surface of the telescopic rod 1, the strap frame 2 and the telescopic rod 1 are arranged in a vertical state, so as to be an L-shaped structural plate with a downward concave surface as a whole, during actual use, according to different electrical devices used, such as an electrical control cabinet, two L-shaped strap frames 2 can be directly placed on the top edges of two opposite electrical control cabinets, and after collocation and spacing, the bottom of the main shell 3 is provided with a smoke collecting cavity 19 which is communicated from top to bottom and has a larger internal space, when the smoke collecting device is used on an electrical appliance control cabinet, the whole smoke collecting cavity 19 can be just opposite to the upper part of a cabinet door or an exhaust channel to facilitate the collection of smoke and the like, the bottom end of the main shell 3 at one side of the smoke collecting cavity 19 is provided with a smoke sensing component 15 which is actually an existing smoke sensor and can sense the smoke condition at the lower part to judge whether a fire disaster occurs, the whole smoke sensing component 15 is also provided with a control circuit for electrically controlling other components, the smoke collecting cavity 19 extends upwards to the top end of the main shell 3 to form a smoke channel from bottom to top, a smoke filtering mechanism is arranged inside the smoke collecting cavity 19 to absorb, filter and discharge the smoke, the main shell 3 at one side of the smoke collecting cavity 19 is internally provided with a detention channel 14, and the detention channel 14 is communicated, detain passageway 14 and be the circulation of air passageway of a side direction, the main casing body 3 internally mounted who detains the passageway 14 top has harmful gas to detect component 13, practical main part is the harmful gas detector, the detectable gets into detains the inside gas of passageway 14, realize poisonous and harmful substance and detect, dust screen port 4 is installed on the top of the main casing body 3, in the open-ended on 19 tops of smoke collecting cavity, the fine mesh's network plate structure has been laid on it, a dust isolation protection to the main casing body 3 inside, alarm mechanism is installed on the main casing body 3 top of dust screen port 4 one side.

Concrete, pole 8 in the inside all activity cup joints in both ends of fixed loop bar 6, namely, the inner wall cavity of fixed loop bar 6 this moment, interior pole 8 can carry out relative activity along 6 inner walls of fixed loop bar, and then realize relative dimensional change, interior pole 8's end is connected with telescopic link 1, under the condition of interior pole 8 activity, two distances between the grillage 2 of taking on two telescopic links 1 change, and then be applicable to not unidimensional external equipment, like different width size's switch board etc., be convenient for actually install the operation.

Further, positioning bolt 7 is installed through the screw in fixed loop bar 6's surface, and positioning bolt 7 extends to the inside interior pole 8 surface of fixed loop bar 6, and positioning bolt 7 can follow the screw and carry out the rotation of front and back position, carries out the top tightly to interior pole 8 surface, and then realizes spacing chucking's effect, including pole 8 remove to the specific position after, can realize the fixed effect to interior pole 8 by positioning bolt 7.

Further, the top surface of access frame 2 is provided with pilot hole 9, pilot hole 9 top-down switches on, can take under the condition of cabinet body top surface at access frame 2, can pass pilot hole 9 with the help of screw etc. to carry out fixed connection with actual equipment such as the cabinet body down, and then carry out fixed mounting to whole alarm device, main casing body 3's bottom surface edge installs smoke absorption cover 18, smoke absorption cover 18 is the loudspeaker form, the opening is downward, can increase actual area, be convenient for collect the smog of below.

Further, the smoking filtering mechanism comprises a suction fan 11 and an active adsorption net rack 12, the suction fan 11 is installed inside the smoke collection cavity 19, the suction fan 11 can be powered by a power supply to open and rotate, the surrounding air is driven to rotate, a negative pressure effect is generated, especially, the air below the smoke collection cavity 19 is sucked, the active adsorption net rack 12 is installed inside the smoke collection cavity 19 above the suction fan 11, the whole body is formed by combining adsorption filtering substances such as active carbon and the like in the middle of an upper screen plate, a lower screen plate and the screen plates, after the air below the suction fan 11 is sucked, the air can be blown upwards and filtered through the active adsorption net rack 12, toxic and harmful substances in smoke can be absorbed actually, the toxic and harmful substances are prevented from being diffused in the external environment, the pollution to the external environment is avoided, and the harm to the smoke caused by the body health of staff is avoided.

Further, alarm mechanism includes wireless component 5 and audible-visual annunciator 10, audible-visual annunciator 10 installs on the 3 tops of main casing body of dust screen mouth 4 one side, for general audible-visual annunciator part, can switch on and open, and accessible wire carries out electric connection with smog response part 15, when smog response part 15 detected smog condition of a fire, audible-visual annunciator 10 can directly be opened and alarm operation is carried out, wireless component 5 installs the side surface at main casing body 3, actually be wireless transceiver module, can accept and handle outside radio signal, feed back to the inside control circuit of the device and handle, and will take place information such as condition of a fire and report back to remote terminal through wireless transmission's form and carry out alarm processing.

Further, separation net 17 is installed to the inside bottom in collection smoke chamber 19, separation net 17's mesh is less, can completely cut off outside great impurity and get into the inside jam that forms in collection smoke chamber 19, and protect collection smoke chamber 19 inside, and main casing 3 internally mounted of smog response part 15 top has stand-by power supply 16, stand-by power supply 16 can select general lithium cell group, can be under the circumstances such as external electric power cabinet is on fire, for whole device provides the electric energy when lacking external power supply, avoid the external power supply unit of whole device to cause the outage because of on fire, and then make whole alarm device inefficacy, still need provide required charging and discharge circuit for whole stand-by power supply 16.

In addition, need notice, during actual operation, need provide corresponding control switch for suction fan 11, can be according to actual electrical equipment demand, if the fire can produce a large amount of smog, there are a large amount of poisonous and harmful substance in the smog, can open suction fan 11 and carry out the collection cigarette operation, if electrical equipment fires can not produce poisonous and harmful substance, then can need not to start suction fan 11 and carry out the suction operation, avoid accelerating the air flow and cause the phenomenon that the intensity of a fire accelerates the diffuse and take place.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical fire alarm device, characterized in that: including main casing body (3) and install fixed loop bar (6) on main casing body (3) rear end surface, the both ends of fixed loop bar (6) all movable mounting have telescopic link (1), and the rear end surface vertical mounting of telescopic link (1) takes grillage (2), collection smoke chamber (19) is installed to the bottom of main casing body (3), and main casing body (3) bottom of collection smoke chamber (19) one side installs smog response part (15), collection smoke chamber (19) upwards extend to the top of main casing body (3), and the internally mounted of collection smoke chamber (19) has smoking filter mechanism, main casing body (3) internally mounted of collection smoke chamber (19) one side has detaining passageway (14), and detains passageway (14) and collection smoke chamber (19) and switch on each other, main casing body (3) internally mounted of detaining passageway (14) top has harmful gas detection part (13), dust screen mouth (4) are installed on the top of main casing body (3), and alarm mechanism is installed on main casing body (3) top of dust screen mouth (4) one side.

2. An electrical fire alerting device of claim 1, wherein: the inner rod (8) is movably sleeved inside the two ends of the fixed loop bar (6), and the tail end of the inner rod (8) is connected with the telescopic rod (1).

3. An electrical fire alerting device of claim 2, wherein: positioning bolts (7) are installed on the surface of the fixed loop bar (6) through screw holes, and the positioning bolts (7) extend to the surface of an inner rod (8) inside the fixed loop bar (6).

4. An electrical fire alerting device of claim 1, wherein: the top surface of the lapping plate frame (2) is provided with an assembly hole (9), and the bottom surface edge of the main shell body (3) is provided with a smoke absorbing cover (18).

5. An electrical fire alerting device of claim 1, wherein: the smoking filtering mechanism comprises a suction fan (11) and an active adsorption net rack (12), wherein the suction fan (11) is installed in a smoke collection cavity (19), and the active adsorption net rack (12) is installed in the smoke collection cavity (19) above the suction fan (11).

6. An electrical fire alerting device of claim 1, wherein: the alarm mechanism comprises a wireless component (5) and an audible and visual alarm (10), the audible and visual alarm (10) is installed at the top end of the main shell (3) on one side of the dustproof net opening (4), and the wireless component (5) is installed on one side surface of the main shell (3).

7. An electrical fire alerting device of claim 1, wherein: an isolation net (17) is installed at the bottom end of the interior of the smoke collection cavity (19), and a standby power supply (16) is installed inside the main shell (3) above the smoke sensing component (15).