CN219658195U

CN219658195U - Prevent fire door monitoring device

Info

Publication number: CN219658195U
Application number: CN202320552315.1U
Authority: CN
Inventors: 张源秀
Original assignee: Minan Fire Control Device Co ltd
Current assignee: Minan Fire Control Device Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-08
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of fireproof doors and discloses a fireproof door monitoring device which comprises a box body, wherein a box door is rotatably arranged at an opening at the front side of the box body, a conducting plate is arranged at the top of one closed side of the box door and the box body, an air duct and a smoke guide opening are respectively fixedly communicated with the middle parts of two sides of the box body, a smoke sensor is fixedly arranged at the middle part in the smoke guide opening, and an air exhaust fan is fixedly arranged at the communication part of the smoke guide opening and the box body. According to the utility model, the smoke sensor in the smoke guide opening and the air exhaust fan are matched for use, when the smoke guide opening is used, the air exhaust fan forms negative pressure outside the smoke guide opening, external air is rapidly pumped into the smoke guide opening, and the smoke value is detected through the smoke sensor.

Description

Prevent fire door monitoring device

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a fireproof door monitoring device.

Background

In order to prevent fire in a fire enterprise market, fire facilities are required to be provided, wherein the fire facilities comprise an automatic fire alarm system, a fire control center, an indoor and outdoor hydrant system, an automatic water spraying fire extinguishing system, a smoke prevention and exhaust system, fire emergency lighting, emergency broadcasting, lamplight evacuation indication marks, linkage control of fireproof separation systems such as fireproof doors, fireproof roller shutters and the like, fire extinguishing equipment and the like, and the fire doors used for evacuating walkways, stairways and antechambers are required to have a self-closing function, and normal use and integrity of the fire door facilities are required to safely escape and prevent fire from spreading, so that the fire extinguishing system is one of the items frequently checked by fire departments.

However, the existing fire door monitoring device detects that generated smoke or surrounding temperature exceeds a normal range when an open fire accident occurs, alarms, and when the open fire accident occurs, the smoke is diffused, and certain time delay exists when a smoke sensor detects the smoke, so that certain defects exist.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to provide a fireproof door monitoring device which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire door monitoring device, includes the box, box front side opening part rotates installs the chamber door, chamber door and box closed one side top are provided with the current conducting plate, box both sides middle part fixedly connected with air duct and smoke guide mouth respectively, middle part fixed mounting has smoke transducer in the smoke guide mouth, smoke guide mouth and box intercommunication department fixed mounting has the fan of bleeding, from the top down in proper order fixed mounting has display screen, control button and alarm in the box, top horizontal installation has the extension board in the box, perpendicular fixed mounting in the middle part of the lower surface of the extension board has branch, branch bottom fixed mounting has conducting strip A, fixed mounting has conducting strip B in the box.

As a preferred embodiment of the present utility model, the thickness of the conductive plate is adapted to the distance between the conductive sheet a and the conductive sheet B.

As a preferable implementation mode of the utility model, the outer side of the supporting rod is sleeved with a spring, and the upper side and the lower side of the spring are respectively connected with the lower surface of the supporting plate and the upper surface of the conducting strip A.

As a preferred embodiment of the utility model, the end of the air duct away from the box body is communicated with the indoor ventilating duct.

As a preferred embodiment of the present utility model, the conductive sheet a corresponds to the upper and lower positions of the conductive sheet B, the conductive sheet a is electrically connected to the air exhaust fan and the positive electrode of the power supply sequentially through a wire, and the conductive sheet B is electrically connected to the negative electrode of the power supply through a wire.

As a preferable implementation mode of the utility model, a dust screen is fixedly arranged at the outer opening of the smoke guide opening.

Compared with the prior art, the utility model provides a fireproof door monitoring device, which has the following beneficial effects:

1. this prevent fire door monitoring device uses through the cooperation of smoke transducer in the smoke guiding mouth and the fan of bleeding, when using, the fan of bleeding forms negative pressure in the smoke guiding mouth outside, with outside air fast suction smoke guiding mouth in, detect the smog value through smoke transducer, compare in traditional monitoring device through smog natural diffusion detection's mode, can shorten detection time when taking place open flame accident, improve the speed of reporting to the police, it is comparatively practical.

2. This prevent fire door monitoring device uses through the cooperation of conducting strip A, conducting strip B and conducting strip, when using, closes the chamber door, and after chamber door and the box closure, conducting strip A and conducting strip B contact respectively to the conducting strip, form the passageway, make the fan work of bleeding, and when opening the chamber door, can close the fan of bleeding, convenient and practical.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is an interior view of a fire door monitoring device of the present utility model;

fig. 2 is a front view of a fire door monitor apparatus of the present utility model;

fig. 3 is an enlarged schematic view of a fire door monitoring device according to the present utility model.

In the figure: 1. a case; 2. an alarm; 3. a control button; 4. a door; 5. a conductive plate; 6. a display screen; 7. a smoke guide port; 8. a dust screen; 9. a smoke sensor; 10. an air extraction fan; 11. an air duct; 12. a support rod; 13. a spring; 14. a support plate; 15. a conductive sheet A; 16. and a conductive sheet B.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, a fire door monitoring device according to the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a fire door monitoring device, including box 1, box 1 front side opening part rotates installs chamber door 4, chamber door 4 and box 1 closed one side top is provided with current conducting plate 5, box 1 both sides middle part fixedly connected with air duct 11 and smoke guide mouth 7 respectively, the one end that box 1 was kept away from to air duct 11 is linked together with indoor air pipe, can be with the quick derivation of smoke guide mouth 7 suction's flue gas, the outside opening part fixed mounting of smoke guide mouth 7 has dust screen 8, middle part fixed mounting has smoke transducer 9 in the smoke guide mouth 7, smoke transducer 9 detects the smoke value in the air, smoke guide mouth 7 and box 1 intercommunication department fixed mounting have the fan 10 that bleeds, fan 10 from the top down forms the negative pressure in smoke guide mouth 7 outside, with the quick suction of outside air in smoke guide mouth 7, fixed mounting has display screen 6 in proper order in the box 1 down, control button 3 and alarm 2, top horizontal installation has a supporting plate 14, surface middle part perpendicular fixed mounting has branch 12 under the supporting rod 12 bottom fixed mounting has a 15A conductor plate and 16B conductor plate and 16 electrical connection positive and 16B conductor plate through positive electrical connection in proper order with the positive conductor plate 15B conductor plate and 16.

As shown in fig. 1, in this arrangement, further, the thickness of the conductive plate 5 is adapted to the distance between the conductive sheet a15 and the conductive sheet B16, so as to ensure that the conductive sheet a15 and the conductive sheet B16 can form a path.

As shown in fig. 3, in this arrangement, further, the outer side of the supporting rod 12 is sleeved with a spring 13, and the upper and lower sides of the spring 13 are respectively connected with the lower surface of the supporting plate 14 and the upper surface of the conductive sheet a15, so that the conductive sheet a15 is convenient to reset.

When the smoke detector is in operation, the box door is closed, the box door 4 is closed with the box body 1, the conducting strips A15 and the conducting strips B16 are respectively contacted with the conducting strips 5 to form a passage, the air extraction fan 10 is enabled to work, negative pressure is formed outside the smoke guide opening 7 by the air extraction fan 10, external air is rapidly pumped into the smoke guide opening 7, smoke values are detected through the smoke sensor 9, compared with the traditional monitoring device which is in a smoke natural diffusion detection mode, when an open fire accident occurs, the detection time is shortened, the alarm speed is improved, and when the box door 4 is opened, the air extraction fan 10 can be closed.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. Fireproof door monitoring device, including box (1), its characterized in that: the novel smoke-guiding box is characterized in that a box door (4) is rotatably arranged at the front opening of the box body (1), a conducting plate (5) is arranged at the top of one closed side of the box door (4) and the box body (1), an air duct (11) and a smoke-guiding opening (7) are fixedly communicated with each other at the middle parts of two sides of the box body (1), a smoke sensor (9) is fixedly arranged at the middle part in the smoke-guiding opening (7), an air extraction fan (10) is fixedly arranged at the communicating part of the smoke-guiding opening (7) and the box body (1), a display screen (6), a control button (3) and an alarm (2) are sequentially and fixedly arranged in the box body (1) from top to bottom, a supporting plate (14) is horizontally arranged at the top of the box body (1), a supporting rod (12) is fixedly arranged at the middle part of the lower surface of the supporting plate (14), a conducting plate A (15) is fixedly arranged at the bottom of the supporting rod (12), and a conducting plate B (16) is fixedly arranged in the box body (1).

2. A fire door monitoring device as defined in claim 1, wherein: the thickness of the conductive plate (5) is adapted to the distance between the conductive sheet A (15) and the conductive sheet B (16).

3. A fire door monitoring device as defined in claim 1, wherein: the spring (13) is sleeved on the outer side of the supporting rod (12), and the upper side and the lower side of the spring (13) are respectively connected with the lower surface of the supporting plate (14) and the upper surface of the conducting strip A (15).

4. A fire door monitoring device as defined in claim 1, wherein: one end of the air duct (11) far away from the box body (1) is communicated with an indoor ventilation pipeline.

5. A fire door monitoring device as defined in claim 1, wherein: the conducting strip A (15) corresponds to the conducting strip B (16) in the vertical position, the conducting strip A (15) is electrically connected with the air exhaust fan (10) and the positive electrode of the power supply in sequence through a wire, and the conducting strip B (16) is electrically connected with the negative electrode of the power supply through a wire.

6. A fire door monitoring device as defined in claim 1, wherein: a dust screen (8) is fixedly arranged at the outer opening of the smoke guide opening (7).