CN209911817U - Monitor for fire door - Google Patents

Abstract

The utility model relates to a prevent fire door watch-dog technical field, and disclose a prevent fire door watch-dog, including wall body, door frame, prevent fire door, mechanical door closer, mounting bracket, permanent magnet switch, permanent magnet, entrance guard's switch, photo resistance, status indicator lamp, control system, fire prevention tool to lock and perspective window, the door frame all around with the wall body through bolted connection all around, prevent that the right side of fire door is connected through folding paper and the right side rotation of door frame. The utility model discloses a mutual supporting of photo resistance and status indicator lamp, when preventing that fire door and door frame are in closed lock-out state, the position of permanent magnet switch and permanent magnet forms completely cut off for the positive photosurface of photo resistance, and status indicator lamp is in the closed condition this moment, and when permanent magnet switch and permanent magnet are not in the closed condition, photo resistance is in the photosensing state, and the status indication is in the state of lighting this moment to make whole watch-dog can reach and show whether prevent fire door is in the closed condition.

Description

Monitor for fire door

Technical Field

The utility model relates to a prevent fire door watch-dog technical field, specifically be a prevent fire door watch-dog.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

The fire door is divided into a normally closed fire door and a normally open fire door according to the opening state. Normally closed fireproof door is generally composed of fireproof door leaf, door frame, door closer, sealing strip, etc. and two or more normally closed fireproof doors are also equipped with sequencer. In the case of the normally open fire door, besides all the accessories of the normally closed fire door, a fire door release switch is added, and the self-control design must be provided by the electrical professional.

In the application process of preventing fire door, fire door is prevented to normal close formula is realized the normal close state by electromagnetic switch, but because the stair say and be in the circulation state often, consequently prevent fire door also often be in the mode of opening and shutting, after long-time the use, the phenomenon that can't laminate appears easily between electromagnetic switch and the magnet, cause whole to prevent fire door and be in the normal close state and be difficult to perceive to lead to the watch-dog to be in among the failure mode, can't continue to carry out monitoring effect, consequently, there is very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent fire door watch-dog has reached and can prevent fire door whole and be in the purpose that closed state carries out the suggestion.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof door monitor comprises a wall body, a door frame, a fireproof door, a mechanical door closer, a mounting frame, a permanent magnet switch, a permanent magnet, an entrance guard switch, a photosensitive resistor, a status indicator lamp, a control system, a fireproof lock and a perspective window, wherein the periphery of the door frame is connected with the periphery of the wall body through bolts, the right side of the fireproof door is rotatably connected with the right side of the door frame through hinges, one side of the mechanical door closer is connected with the middle position of the front top of the fireproof door, the other end of the mechanical door closer is hinged with the right side of the front of the door frame through a pin shaft, the top of the mounting frame is connected with the left side of the top of the inner wall of the door frame, the back of the permanent magnet switch is connected with the front of the mounting frame, the front of the permanent magnet is connected with the left top of the back of the fireproof door, the, the status indicator lamp is positioned on the access switch.

The control system comprises a monitoring module, a smoke sensor, a feedback module, a transmission module, a contact switch, an alarm module and a standby power interface, wherein the output end of the monitoring module is electrically connected with the input end of the alarm module, the output end of the monitoring module is electrically connected with the input end of the feedback module, the output end of the smoke sensor is electrically connected with the input end of the feedback module, the output end of the feedback module is electrically connected with the input end of the monitoring module, the output end of the feedback module is electrically connected with the input end of the transmission module, the output end of the transmission module is electrically connected with the input end of the contact switch, the output end of the contact switch is electrically connected with the input end of the permanent magnet switch, the output end of the entrance guard switch is electrically connected with the input end of the permanent magnet switch, and the output end of the, and the output end of the standby power supply interface is electrically connected with the input end of the contact switch.

Preferably, the fireproof lock is located in the middle position of the front left side of the fireproof door, and the outer surface of the fireproof lock is sleeved with the protective sleeve.

Preferably, the perspective window is positioned on the fireproof door, and the perspective window is rectangular.

Preferably, the power of the status indicator lamp is 10W, and the model of the transistor Q1 is BC 547B.

Preferably, the light dependent resistor is LDR, and the resistance of the resistor R1 is 47K.

Preferably, the power supply is a 12V direct current power supply.

The utility model provides a prevent fire door watch-dog. The method has the following beneficial effects:

(1) the utility model discloses because improve the permanent magnetism switch, through mutually supporting of photo resistance and status indicator lamp, when preventing fire door and door frame and being in closed lock-out state, the position of permanent magnetism switch and permanent magnet forms completely cut off for the positive sensitization face of photo resistance, status indicator lamp is in the off-state this moment, and when permanent magnetism switch and permanent magnet are not in the on-state, photo resistance is in the sensitization state, status indication is in the state of lighting this moment, thereby make whole watch-dog can reach the demonstration prevent fire door whether be in the on-state.

(2) The utility model discloses owing to improve control system, through alarm module and stand-by power supply interface's setting, can make whole watch-dog send out the police dispatch newspaper after detecting fire information, thereby remind personnel to carry out emergency treatment, sparse personnel, and because stand-by power supply interface, even can make whole control system also can be in the running state even the outage, thereby guarantee that the permanent magnet switch is in normal open mode, avoid appearing leading to preventing the emergence that fire door is in the closed state phenomenon always because the conflagration outage, and then guarantee personnel's timely sparse.

(3) The utility model discloses owing to improve control system, through the setting of contact switch, can form a circuit control switch before the permanent magnetism switch, even also can break circuit and handle under the prerequisite of damage from guaranteeing the permanent magnetism switch, prevent that the open mode of fire door provides the guarantee when the conflagration takes place, and then improve the practicality of watch-dog.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a block diagram of the control system of the present invention;

fig. 3 is a circuit diagram of the structural status indicator light of the present invention.

In the figure: 1 wall body, 2 door frames, 3 fireproof doors, 4 mechanical door closers, 5 mounting frames, 6 permanent magnet switches, 7 permanent magnets, 8 entrance guard switches, 9 photoresistors, 10 status indicator lamps, 11 control systems, 12 fireproof locksets, 13 perspective windows, 111 monitoring modules, 112 smoke sensors, 113 feedback modules, 114 transmission modules, 115 contact switches, 116 alarm modules and 117 standby power interfaces.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a fireproof door monitor comprises a wall body 1, a door frame 2, a fireproof door 3, a mechanical door closer 4, an installation frame 5, a permanent magnet switch 6, a permanent magnet 7, an entrance guard switch 8, a photoresistor 9, a status indicator lamp 10, a control system 11, a fireproof lock 12 and a perspective window 13, wherein the periphery of the door frame 2 is fixedly connected with the periphery of the wall body 1 through bolts, the right side of the fireproof door 3 is rotatably connected with the right side of the door frame 2 through a hinge, one side of the mechanical door closer 4 is fixedly connected with the middle position of the front top of the fireproof door 3, the other end of the mechanical door closer 4 is hinged with the right side of the front of the door frame 2 through a pin shaft, the top of the installation frame 5 is fixedly connected with the left side of the top of the inner wall of the door frame 2, the back of the permanent magnet switch 6 is fixedly connected with the front of the installation frame 5, the, entrance guard's switch 8 is located wall body 1, and photo resistance 9 is located the positive mounting groove of permanent magnet switch 6, and status indicator 10 is located entrance guard's switch 8, and fire prevention tool to lock 12 is located prevents the positive left intermediate position of fire door 3, and the surface of fire prevention tool to lock 12 has cup jointed the lag, and perspective window 13 is located prevents fire door 3, and the shape of perspective window 13 is the rectangle.

The control system 11 comprises a monitoring module 111, a smoke sensor 112, a feedback module 113, a transmission module 114, a contact switch 115, an alarm module 116 and a standby power interface 117, wherein the output end of the monitoring module 111 is electrically connected with the input end of the alarm module 116, the output end of the monitoring module 111 is electrically connected with the input end of the feedback module 113, the output end of the smoke sensor 112 is electrically connected with the input end of the feedback module 113, the output end of the feedback module 113 is electrically connected with the input end of the monitoring module 111, the output end of the feedback module 113 is electrically connected with the input end of the transmission module 114, the output end of the transmission module 114 is electrically connected with the input end of the contact switch 115, the output end of the contact switch 115 is electrically connected with the input end of the permanent magnet switch 6, the output end of the entrance guard switch 8 is electrically connected with the input end of the permanent magnet switch 6, and the output terminal of the standby power interface 117 is electrically connected to the input terminal of the contact switch 115.

The input end of the state indicating lamp 10 is electrically connected with the positive pole of the power supply, the output end of the state indicating lamp 10 is electrically connected with the input end of the photosensitive resistor 10 through a resistor, the output end of the photosensitive resistor 9 is electrically connected with the negative pole of the power supply, the photosensitive resistor 9 is connected with the state indicating lamp 10 in parallel through a triode, the power of the state indicating lamp 10 is 10W, the model of the triode Q1 is BC547B, the photosensitive resistor 9 is LDR, the resistance value of the resistor R1 is 47K, and the power supply is a 12V direct-current power supply.

When the fireproof door is used, when the fireproof door 3 and the door frame 2 are in a closed locking state, the positions of the permanent magnet switch 6 and the permanent magnet 7 are isolated relative to a photosensitive surface on the front surface of the photosensitive resistor 9, the state indicating lamp 10 is in a closed state at the moment, when the permanent magnet switch 6 and the permanent magnet 7 are not in the closed state, the photosensitive resistor 9 is in the photosensitive state, the state indicating lamp 10 is in a lighting state at the moment, and therefore the whole monitor can display whether the fireproof door 3 is in the closed state or not.

In summary, the following results can be obtained: the utility model discloses because improve control system 11, through alarm module 116 and stand-by power supply interface 117's setting, can make the whole watch-dog send out the police dispatch newspaper after detecting the fire information, thereby remind personnel to carry out emergency treatment, evacuate personnel, and because stand-by power supply interface 117, can make the whole control system 11 can be in the running state even if the power failure, thereby guarantee permanent magnet switch 6 is in the normal open mode, avoid the emergence that prevents fire door 3 from being in the closed state phenomenon all the time because of the fire power failure, and then guarantee timely evacuation of personnel, the utility model discloses because improve control system 11, through the setting of contact switch 115, can form a circuit control switch before permanent magnet switch 6, from guaranteeing permanent magnet switch 6 can also carry out the processing of breaking even under the prerequisite of damage, provide the guarantee for the open mode of fire door 3 when the conflagration takes place, thereby improving the practicability of the monitor.

Claims (6)

1. The utility model provides a prevent fire door watch-dog, includes wall body (1), door frame (2), prevents fire door (3), mechanical door closer (4), mounting bracket (5), permanent magnet switch (6), permanent magnet (7), entrance guard's switch (8), photo resistance (9), status indicator lamp (10), control system (11), fire prevention tool to lock (12) and perspective window (13), its characterized in that: the door frame (2) is connected with the wall body (1) through bolts all around, the right side of the fireproof door (3) is rotatably connected with the right side of the door frame (2) through folding paper, one side of the mechanical door closer (4) is connected with the middle position of the front top of the fireproof door (3), the other end of the mechanical door closer (4) is hinged with the front right side of the door frame (2) through a pin shaft, the top of the mounting frame (5) is connected with the left side of the top of the inner wall of the door frame (2), the back of the permanent magnet switch (6) is connected with the front of the mounting frame (5), the front of the permanent magnet (7) is connected with the left top of the back of the fireproof door (3), the permanent magnet (7) and the permanent magnet switch (6) are in the same straight line, the entrance guard switch (8) is positioned on the wall body (1), the photosensitive resistor (9) is positioned in the front mounting groove, the state indicator lamp (10) is positioned on the access switch (8);

the control system (11) comprises a monitoring module (111), a smoke sensor (112), a feedback module (113), a transmission module (114), a contact switch (115), an alarm module (116) and a standby power interface (117), wherein the output end of the monitoring module (111) is electrically connected with the input end of the alarm module (116), the output end of the monitoring module (111) is electrically connected with the input end of the feedback module (113), the output end of the smoke sensor (112) is electrically connected with the input end of the feedback module (113), the output end of the feedback module (113) is electrically connected with the input end of the monitoring module (111), the output end of the feedback module (113) is electrically connected with the input end of the transmission module (114), the output end of the transmission module (114) is electrically connected with the input end of the contact switch (115), and the output end of the contact switch (115) is electrically connected with the input end of the permanent magnet switch (6), the output of entrance guard's switch (8) and the input electric connection of permanent magnet switch (6), the output of stand-by power source interface (117) and the input electric connection of monitoring module (111), and the output of stand-by power source interface (117) and the input electric connection of contact switch (115).

2. The fire door monitor as claimed in claim 1, wherein: fireproof lock (12) is located the positive left intermediate position of fire door (3), and fireproof lock's (12) surface has cup jointed the lag.

3. The fire door monitor as claimed in claim 1, wherein: the perspective window (13) is positioned on the fireproof door (3), and the perspective window (13) is rectangular.

4. The fire door monitor as claimed in claim 1, wherein: the power of the status indicator lamp (10) is 10W, and the model of the triode Q1 is BC 547B.

5. The fire door monitor as claimed in claim 1, wherein: the photoresistor (9) is LDR, and the resistance of the resistor R1 is 47K.

6. The fire door monitor as claimed in claim 1, wherein: the power supply is a 12V direct current power supply.

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