CN209637597U - Fire resistant doorsets - Google Patents

Abstract

The utility model discloses a kind of fire resistant doorsets, belong to technical field of fire safety, it includes fire prevention door main body, transom is offered in the middle part of fire prevention door main body, multiple vertically arranged baffles are rotatably connected in transom, driving flapper is connected on baffle to the driving assembly for forming gap between baffle, control circuit is connected between baffle and driving assembly, when fire occurs within doors, control circuit control driving assembly drives flapper, and the utility model has the effect of enabling flue gas within doors to shed, reduce in time the injures and deaths of personnel.

Description

fire-proof door

technical field

The utility model relates to the technical field of fire safety, in particular to a fire door.

Background technique

Fire doors refer to doors that can meet the requirements of fire resistance, integrity and heat insulation within a certain period of time. For example: the equipment room (steel cylinder room, foam station, etc.) of the fixed fire extinguishing device attached to the high-rise civil building, the partition door of the ventilation and air conditioning machine room, etc. should adopt Class A fire doors; The door on the partition wall of the basement room shall be a Class A fire door; due to limited conditions, fuel oil and gas boilers, fuel oil-immersed power transformers, high-voltage capacitors and switches filled with fuel oil must be arranged in high-rise buildings. The doors on the partition walls of special rooms shall be Class A fire doors.

There are also household doors with special requirements for fire prevention, such as household doors for fire monitoring and command centers, archives, and valuables warehouses. Class A or B fire doors are usually used. Household doors of high-rise high-end residential buildings often use fireproof and anti-theft doors. Fire doors are an important part of fire protection equipment and an important part of social fire prevention. Fire doors should be equipped with fire door closers or door closing devices that allow normally open fire doors to automatically close the door leaf when a fire occurs.

But, existing fireproof door when breaking out of fire in the house, when thick smoke is densely covered, the people in the house can't open the door and window in time to ventilate, and the smog in the house can't be scattered in time, thereby easily causes casualties.

Utility model content

The purpose of the utility model is to provide a fire door, which is provided with a ventilation window, which can be opened in time when a fire occurs, so that the smoke in the house can be released in time, reducing casualties.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:

A fire door, comprising a fire door main body, a ventilation window is provided in the middle of the fire door main body, a plurality of vertically arranged baffles are rotatably connected in the ventilation window, and driving baffles are connected to the baffles to rotate between the baffles to form a In the drive assembly of the gap, a control circuit is connected between the baffle plate and the drive assembly, and when a fire breaks out in the house, the control circuit controls the drive assembly to drive the baffle plate to rotate.

By adopting the above scheme, the control circuit can detect whether there is a fire in the house. When a fire breaks out in the house, the drive unit is controlled to drive the baffle to rotate, so that a gap is formed between two adjacent baffles, so that the smoke in the house can flow outward. disperse to reduce casualties.

The utility model is further configured as follows: the driving assembly includes a main gear fixedly connected to the bottom of the baffle, and slave gears are meshed between adjacent main gears, and one of the slave gears is fixedly connected with a driving motor for driving the slave gear to rotate.

By adopting the above scheme, the drive motor rotates, which can drive the secondary gear to rotate, and then can drive the main gear meshed on the secondary gear to rotate, and finally drive the baffle to rotate so that a smoke emission channel is formed between two adjacent baffles. Clearance.

The utility model is further configured as follows: the control circuit includes a smoke detection unit, which can detect the smoke value in the house in real time and output the detected smoke value; a smoke comparison unit, which is connected to the smoke detection unit and receives the smoke detection unit. The smoke value output by the unit, when the smoke comparison unit receives the smoke value output by the smoke detection unit, compares the smoke value with the preset value, and outputs a high level signal when the smoke value is greater than the preset value; the smoke control unit, The smoke control unit is connected to the smoke comparison unit and responds to the high-level signal output by the smoke control unit. When the smoke control unit receives the high-level signal output by the smoke comparison unit, it controls the drive motor to rotate.

By adopting the above scheme, the smoke detection unit detects the smoke value in the house in real time and transmits the detected smoke value to the smoke comparison unit, and the smoke comparison unit compares the received smoke value with the preset value, and when the smoke value is greater than the preset value When the smoke control unit receives the high-level signal output by the smoke comparison unit, the smoke control unit controls the driving motor to rotate so that a gap is formed between adjacent baffles.

The utility model is further configured as follows: the smoke detection unit is set as a smoke sensor fixedly connected to the house.

By adopting the above solution, the smoke sensor can detect the smoke value in the house in real time, and transmit the detected smoke value to the smoke detection unit in real time.

The utility model is further set as: the side of the main body of the fire door close to the house is fixed with a heat insulation board.

By adopting the above-mentioned solution, the heat insulation board can prevent the external hot air from dissipating into the house, and when the house is on fire, it can give the people inside the house time to escape in time.

The utility model is further configured as: the side of the fire door body away from the house is sprayed with anti-corrosion paint.

By adopting the above scheme, some fire doors are set in the open air, and the anti-corrosion paint can prevent the corrosion of the main body of the fire door by acid rain, etc., and prolong the service life of the main body of the fire door.

The utility model is further configured as follows: the main body of the fire door is provided with a heat-insulation cavity at the positions on both sides of the ventilation window, and the main body of the fire-proof door is provided with a heat-insulation cavity at the position above the ventilation window.

By adopting the above-mentioned solution, the thermal insulation chamber can reduce the inward diffusion of heat from the outside, and when a fire occurs outside the house, it can give people inside the house time to escape in time.

The utility model is further configured as follows: the flame retardant strips are fixed in the heat insulation chambers.

By adopting the above scheme, the flame-retardant strip can not only strengthen the support for the main body of the protective door, but also because of its low ignition point, it can make the fire outside the house spread inward slowly, and then it can provide timely escape or fire extinguishment inside the house.

In summary, the utility model has the following beneficial effects:

1. By opening a breathable window in the middle of the main body of the fire door, a plurality of vertically arranged baffles are rotatably connected in the breathable window, and a drive assembly that drives the baffle to rotate to form a gap between the baffles is connected to the baffle. A control circuit is connected between the board and the drive assembly. When a fire occurs in the house, the control circuit controls the drive assembly to drive the baffle to rotate. The control circuit can detect whether a fire occurs in the house. When a fire occurs in the house, the drive group assembly is controlled to drive the baffle to rotate. , so that a gap is formed between two adjacent baffles, so that the smoke in the house can escape outwards and reduce casualties;

2. By fixing the heat insulation board on the side of the fire door body close to the house, the heat insulation board can prevent the external heat from dissipating into the house, and when the house is on fire, it can give the people in the house time to escape in time;

3. By opening a heat insulation chamber at the position where the main body of the fire door is located on both sides of the ventilation window, a heat insulation chamber is opened at the position where the main body of the fire door is located above the ventilation window, and a flame retardant strip is fixed in the heat insulation chamber , The heat insulation cavity can reduce the inward diffusion of heat from the outside, and the flame retardant strip can make the fire outside the house spread inward slowly, which in turn can provide timely escape or fire fighting inside the house.

Description of drawings

Fig. 1 is the axonometric view of embodiment;

Fig. 2 is the explosion diagram of embodiment;

Fig. 3 is an enlarged view of part A of Fig. 2;

Fig. 4 is a circuit diagram of a smoke detection unit, a smoke comparison unit and a part of the smoke control unit in the control circuit;

Fig. 5 is a circuit diagram of the rest of the smoke control unit;

Fig. 6 is a cross-sectional view for highlighting the heat insulation cavity and the flame retardant strip on the side of the fire door body;

Fig. 7 is a cross-sectional view for highlighting the heat insulation cavity and flame retardant strips at the top and bottom of the fire door body.

In the figure, 1. Fire door main body; 11. Heat insulation board; 12. Anti-corrosion paint; 13. Ventilation window; 14. Baffle plate; 15. Driving component; 151. Main gear; 152. Slave gear; 16. Heat insulation cavity; 17. Flame retardant strip; 2. Control circuit; 21. Smoke detection unit; 211. Smoke sensor; 22. Smoke comparison unit; 23. Smoke control unit.

Detailed ways

A kind of fire door, refer to Fig. 1, comprise fire door main body 1, the side of fire door main body 1 close to the house is fixed with a heat insulation board 11, heat insulation board 11 can prevent the hot air from outside from dispersing into the house, the fire door main body 1 The side away from the house is sprayed with anti-corrosion paint 12, which can prevent corrosion of the fire door main body 1 by acid rain and the like.

Referring to Fig. 2 and Fig. 3, a breathable window 13 is opened in the middle of the fire door main body 1, and the fire door main body 1 is located at the position of the breathable window 13 and is connected with a plurality of baffles 14 for rotation, and the bottom of the baffle 14 is connected with a drive baffle 14 to rotate The driving assembly 15, the driving assembly 15 includes a main gear 151 fixedly connected to the bottom of the baffle plate 14, the main gears 151 of two adjacent baffle plates 14 are meshed with a slave gear 152, and the middle part of one of the slave gears 152 is fixedly connected with a Drive the driving motor 153 that rotates from the gear 152, and the driving motor 153 is fixedly connected in the main body 1 of the fire door. The drive motor 153 can drive the baffles 14 to rotate, so that a gap for the smoke to escape is formed between two adjacent baffles 14. Under normal circumstances, the two adjacent baffles 14 overlap each other, and the baffles 14 without forming a gap. The protective door is connected with the control circuit 2 which controls the rotation of the driving motor 153 .

Referring to FIG. 4 and FIG. 5 , the control circuit 2 includes a smoke detection unit 21 , a smoke comparison unit 22 and a smoke control unit 23 . The smoke detection unit 21 includes a smoke sensor 211 (not shown) that is fixedly connected to the house. The smoke sensor 211 can detect the smoke value in the house. One end of the smoke sensor 211 is connected to the power supply VCC; the smoke comparison unit 22 includes a negative A comparator T1 connected to the input end of the smoke sensor 211, a resistor R1 is connected in series between the smoke sensor 211 and the comparator T1, and a smoke preset value Vref1 is connected in series to the positive input end of the comparator T1. The preset value Vref1 is the minimum value of smoke generated when a fire occurs; the smoke control unit 23 includes a resistor R2 and a transistor Q1 sequentially coupled in series to the output terminal of the comparator T1, and the emitter of the transistor Q1 is coupled in series with a power supply VCC and a resistor R3, the collector of transistor Q1 is coupled in series with resistor R4 and electromagnetic coil KA1, the end of electromagnetic coil KA1 away from transistor Q1 is grounded, when comparator T1 outputs a high level signal, the collector and emitter of transistor Q1 are turned on, making Electromagnetic coil KA1 is energized.

Referring to FIG. 5 , the smoke control unit 23 also includes a normally open contact KA1-1 serially coupled to the drive motor 153 and a normally closed contact KA2-1 connected in parallel to both ends of the drive motor 153 and the normally open contact KA1-1. . The smoke sensor 211 can detect the smoke value in the house in real time and transmit the detected smoke value to the comparator T1. The comparator T1 can compare the received smoke value with the preset value. When the smoke value is greater than the preset value, The comparator T1 outputs a high level, and controls the triode Q1 to conduct, so that the electromagnetic coil KA1 is energized, controls the normally open contact KA1-1 to close, controls the driving motor 153 to rotate forward, and then drives the baffle 14 to brake, so that the baffle 14 to form a gap for the smoke to escape.

Referring to Fig. 6 and Fig. 7, the fire door body is located on both sides of the ventilation window 13 and is provided with a thermal insulation cavity 16 along its length direction, and the fire door body is located at the position above and below the ventilation window 13 and is also provided with a partition along its width direction. The heat chamber 16 and the heat insulation chamber 16 can prevent the hot air from spreading into the house when a fire occurs; all the heat insulation chambers 16 are fixed with flame retardant strips 17, and when the fire spreads into the house, the flame retardant strips 17 can reduce the fire intensity The speed of the spread.

Principle of use: The smoke sensor 211 can detect the smoke value in the house in real time, and transmit the detected smoke value to the comparator T1. When the comparator T1 receives the smoke value, it compares the smoke value with the preset value. When the smoke value is greater than At the preset value, the comparator T1 outputs a high-level signal, which turns on the transistor Q1, energizes the electromagnetic coil KA1, and controls the drive motor 153 to rotate forward, so that a gap is formed between the baffles 14, and the smoke in the house flow out.

The embodiments of this specific embodiment are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model accordingly: all equivalent changes made according to the structure, shape and principle of the present utility model are all valid. Should be covered within the protection scope of the present utility model.

Claims (8)

1. a kind of fire resistant doorsets, including fire prevention door main body (1), it is characterised in that:

It offers transom (13), is rotatably connected in transom (13) multiple vertically arranged in the middle part of fire prevention door main body (1) Baffle (14) is connected with driving baffle (14) on baffle (14) and turns between baffle (14) driving assembly for forming gap (15), it is connected between baffle (14) and driving assembly (15) control circuit (2), the control circuit (2) when fire occurs within doors Control driving assembly (15) driving baffle (14) rotation.

2. fire resistant doorsets according to claim 1, it is characterised in that: the driving component (15) includes being fixedly connected on baffle (14) master gear (151) of bottom is engaged with from gear (152) between adjacent master gear (151), one of them is from gear (152) driving motor (153) that driving is rotated from gear (152) is fixedly connected on.

3. fire resistant doorsets according to claim 1, it is characterised in that:

The control circuit (2) includes Smoke Detection unit (21), and Smoke Detection unit (21) being capable of the cigarette of real-time detection within doors Haze value and the smog value that will test output；

Smog comparing unit (22), smog comparing unit (22) connection Smoke Detection unit (21) simultaneously receive Smoke Detection unit (21) the smog value exported, when smog comparing unit (22) receives the smog value of Smoke Detection unit (21) output, by cigarette Haze value is compared with preset value, when smog value is greater than preset value, exports high level signal；

Smog control unit (23), smog control unit (23) connect smog comparing unit (22) and in response to smog control units (23) high level signal exported, when smog control unit (23) receives the high level signal of smog comparing unit (22) output When, control driving motor (153) rotation.

4. fire resistant doorsets according to claim 3, it is characterised in that: the Smoke Detection unit (21) is set as being fixedly connected In cigarette propagated sensation sensor (211) within doors.

5. fire resistant doorsets according to claim 1, it is characterised in that: fire prevention door main body (1) is solid close to side within doors Equipped with thermal insulation board (11).

6. fire resistant doorsets according to claim 1, it is characterised in that: fire prevention door main body (1) is far from a side spray within doors There are Secondary Anticorrosion (12).

7. fire resistant doorsets according to claim 1, it is characterised in that: the fire prevention door main body (1) is located at transom (13) two Offered at the position of side heat-insulation chamber (16), offered at the position of fire prevention door main body (1) top for being located at transom (13) every Hot chamber (16).

8. fire resistant doorsets according to claim 7, it is characterised in that: be installed with flame-retardant strip in the heat-insulation chamber (16) (17)。