CN213953340U

CN213953340U - Fireproof door closer

Info

Publication number: CN213953340U
Application number: CN202022556538.4U
Authority: CN
Inventors: 闵先龙
Original assignee: Hubei Beifengzhishen Technology Co ltd
Current assignee: Hubei Beifengzhishen Technology Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-08-13
Anticipated expiration: 2030-11-07

Abstract

A fireproof door closer comprises a door closer main body, a monitoring device and an automatic regulating and controlling device, wherein the door closer main body comprises a driving part and a driving arm; the monitoring device is arranged on a door frame above the fireproof door and comprises a tension detector, a touch rod, a touch switch, a signal transmitter and a microcontroller; the automatic regulation and control device comprises a smoke detector, a temperature sensor and a fire alarm device; the lubricating device is arranged on the driving arm and comprises a box body, a spray head, an oil pipe, an oil pump, an electromagnetic valve and a resistance sensor. The beneficial effects are that: often, the tension detector detects through the drive division whether prevent fire door and be in normal open mode, and when having the conflagration, automatic regulation and control device makes to prevent fire door and closes through regulation and control drive division and actuating arm, and the folding flexible action of first actuating arm, second actuating arm is guaranteed smoothly to the resistance condition of lubricating arrangement detectable activity pivot, judges through the control, and automatic fire door closer that just has monitoring function has improved the practicality.

Description

Fireproof door closer

Technical Field

The utility model relates to a fire prevention door closer technical field specifically is a fire prevention door closer.

Background

Along with the continuous development of cities, the scale of urban buildings is larger and larger, and in order to improve the personal safety, the security requirements for buildings are increased, at present, fire doors are generally added in security passages of buildings, in public places, the fire door is ensured to be in an open state, the situation that when a fire disaster happens, the fire door is in a closed fault state, people can not escape from the safety passage quickly, but the door closer installed on the traditional fireproof door lacks the monitoring function of the fireproof door closer and can not ensure that the fireproof door is in an open state at ordinary times, when a fire disaster occurs, the function of automatically closing the fireproof door cannot be realized, smoke and the fire disaster are isolated, the monitoring function of the fireproof door closer is lacked, the opening state of the fireproof door under the normal condition and the automatic closing when the fire disaster occurs cannot be guaranteed, and the lubricating effect on the mechanical structure of the fireproof door closer cannot be realized.

SUMMERY OF THE UTILITY MODEL

To the above, the utility model provides a fire prevention door closer to solve the problem that proposes among the above-mentioned background art.

The utility model provides a technical scheme that its technical problem adopted is: the fire-proof door closer comprises a door closer main body, a monitoring device and an automatic regulating and controlling device, wherein the door closer main body can drive and regulate a fire door, the monitoring device can detect the opening condition of the fire door, and the automatic regulating and controlling device can automatically close the fire door when a fire occurs; the monitoring device is arranged on a door frame above the fireproof door and comprises a tension detector, a touch rod, a touch switch, a signal transmitter and a microcontroller, wherein the tension detector can detect the tension condition of a driving part to judge whether the fireproof door is closed or not; the automatic regulating and controlling device is arranged on a door frame above the fireproof door and comprises a smoke detector, a temperature sensor and a fire alarm device, wherein the smoke detector and the temperature sensor are respectively and electrically connected with the input ends of the microcontroller, the fire alarm device and the driving part through different interfaces; the lubricating device is arranged on the driving arm and comprises a box body filled with lubricating liquid, a spray head, an oil pipe, an oil pump, a solenoid valve capable of regulating the opening of the oil pump and a resistance sensor capable of detecting the rotation resistance of the driving arm, wherein the box body and the oil pump are arranged on the upper surface of the driving arm; in case of fire, the automatic regulating and controlling device can control the driving part and the driving arm to close the fireproof door.

Further, the drive portion includes drive shaft, shell, driving motor, and the shell is fixed on the door frame of preventing fire door top, and driving motor's initiative end is connected with the driven end of drive shaft, and the driven end of drive shaft runs through the shell and is connected with the drive arm, and driving motor, microcontroller setting in the shell, driving motor and microcontroller electric connection.

Furthermore, the actuating arm includes can fold flexible first actuating arm, second actuating arm, activity pivot, the registrate casing at the activity pivot according to preventing fire door opening and closing action, and the one end of first actuating arm is connected with the driven end of drive shaft, and the other end of first actuating arm passes through the one end swing joint of activity pivot and second actuating arm, and the upper edge at fire door is installed to the other end of second actuating arm.

Furthermore, an oil inlet is formed in the shell, and the spray head is detachably connected with the oil inlet.

Furthermore, be equipped with the fire prevention cover on the door frame, and be equipped with the opening that the drive shaft of being convenient for, touch pole stretch out on the fire prevention cover.

Further, still including the stand-by power supply when taking place the conflagration, stand-by power supply sets up in the fire prevention cover on the door frame, and stand-by power supply can carry out electric connection with drive division, monitoring device, automatic regulation and control device.

Compared with the prior art, the utility model discloses the beneficial effect who produces is: in a daily state, the tension detector monitors whether the fireproof door is kept in an open state, when the fireproof door is closed, the driving arm drives the driving shaft to act, and in the action process of the driving shaft, the touch rod is driven to act to enable the touch switch to be opened, and the tension detector generates an abnormal signal through circuit signal transmission and is wirelessly transmitted to a monitoring center through the signal transmitter, so that a worker can conveniently and timely process the abnormal signal, the open state of the fireproof door is ensured, the lubricating device can detect the resistance condition of the movable rotating shaft, and the folding and stretching actions of the first driving arm and the second driving arm are ensured to be smooth; when a fire disaster occurs, the smoke detector detects whether the concentration of smoke of the fire disaster can damage a human body, the temperature sensor detects the temperature condition of the fireproof door and whether the temperature of the fireproof door reaches the temperature of the fire disaster, the circuit transmits smoke signals and temperature signals to the driving motor and the fire disaster alarming device through monitoring and judging, the driving motor drives the driving shaft to act, the driving shaft drives the first driving arm and the second driving arm to act, the fireproof door is closed quickly, smoke and the fire disaster are isolated, and people are guaranteed not to be damaged by the fire disaster in the fire fighting channel; the fire alarm device is in wireless connection with the monitoring center, the fire condition is transmitted through real-time monitoring, the automatic fireproof door closer with the monitoring function improves the practicability of the fireproof door closer, the safety coefficient of the fireproof door closer is enhanced, and the fireproof door closer is more favorable for use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the door closer main body, the monitoring device, the automatic regulating device, and the lubricating device.

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention

Fig. 4 is a circuit flow diagram of the present invention.

Fig. 5 is a circuit effect diagram of the present invention.

In the figure, 1, a fireproof door, 2, a door frame, 3, a driving part, 301, an outer shell, 302, a driving motor, 303, a driving shaft, 4, a driving arm, 401, a first driving arm, 402, a second driving arm, 403, a shell, 404, a movable rotating shaft, 5, a fireproof cover, 6, a touch rod, 7, a touch switch, 8, a microcontroller, 9, a tension detector, 10, a temperature sensor, 11, a fire alarm device, 12, a smoke detector, 13, a box body, 14, an oil pump, 15, an electromagnetic valve, 16, an oil pipe, 17, an oil inlet, 18, a spray head, 19, a resistance sensor and 20 are provided with a signal transmitter.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In fig. 1-5, a fire-proof door closer is provided, which includes a door closer main body capable of driving and controlling a fire door 1, a monitoring device capable of detecting the opening condition of the fire door 1, and an automatic control device capable of automatically closing the fire door 1 in case of fire, wherein the door closer main body includes a driving part 3 and a driving arm 4, the driving part 3 is installed on a door frame 2 above the fire door 1, one end of the driving arm 4 is connected with the driving part 3, and the other end of the driving arm 4 is connected with the upper edge of the fire door 1; the monitoring device is arranged on a door frame 2 above a fireproof door 1 and comprises a tension detector 9, a touch rod 6, a touch switch 7, a signal transmitter 20 and a microcontroller 8, wherein the tension detector 9 can detect the tension condition of a driving part 3 to judge whether the fireproof door 1 is closed or not, the signal transmitter 20 and the microcontroller 8 can be connected with an external terminal, the touch switch 7, the signal transmitter 20 and the microcontroller 8 are all arranged on the door frame 2, the tension detector 9 is arranged on the driving part 3, one end of the touch rod is connected with the driving part 3, the other end of the touch rod is connected with the touch switch 7, and the touch switch 7 is electrically connected with the input ends of the microcontroller 8, the tension detector 9 and the signal transmitter 20; under daily conditions, the fireproof door 1 is normally opened, when the fireproof door 1 is opened and closed, the fireproof door 1 is closed to drive the driving arm 4 to fold and contract, so as to drive the driving part 3 and the touch rod to move, so that the touch switch 7 is opened, the micro controller 8 receives a touch signal and converts the touch signal into a control signal, the control signal is transmitted to the tension detector 9, the tension detector 9 detects the tension condition of the driving part 3 to judge whether the fireproof door 1 is closed or not, when the fireproof door 1 is detected to be closed, a closing signal is generated and transmitted to the signal transmitter 20, the signal transmitter 20 is connected with a data terminal of a monitoring room, the closing signal is transmitted to the monitoring room, so that a worker can know the closing state of the fireproof door 1 in time, the worker can conveniently process the fireproof door 1, the fireproof door 1 is opened, and the fireproof door 1 is ensured to be always opened, when a fire disaster happens, the situation that the fireproof door 1 is closed or the fireproof door 1 is blocked is avoided, so that people cannot escape in time, and a serious fire accident is caused.

In this embodiment, the automatic regulating and controlling device is arranged on the door frame 2 above the fire door 1, and includes a smoke detector 12, a temperature sensor 10, and a fire alarm device 11, where the smoke detector 12 and the temperature sensor 10 are respectively electrically connected with the microcontroller 8, the fire alarm device 11, and the input end of the driving part 3 through different interfaces; when a fire disaster occurs, the smoke detector 12 detects whether the smoke of the fire disaster reaches the concentration which can damage the human body, the temperature sensor 10 detects whether the temperature condition on the fireproof door 1 reaches the temperature of the fire disaster, when the smoke and the temperature reach the concentration and the temperature when the fire disaster occurs, the smoke detector 12 and the temperature sensor 10 both generate abnormal signals and transmit the abnormal signals to the microcontroller 8, the microcontroller 8 converts the abnormal signals into control signals and transmits the control signals to the driving part 3 and the fire alarm device 11 to control the driving part 3 to act to drive the driving arm 4 to fold and contract to close the fireproof door 1, thereby isolating the smoke and the fire disaster, ensuring that people are not damaged by the fire disaster in a fire passage, meanwhile, the fire alarm device 11 is connected with a monitoring terminal of a monitoring room to monitor the fire disaster condition in real time, and the automatic fireproof door closer with the monitoring function improves the practicability of the fireproof door closer, the safety factor of the fire door closer is enhanced, and the fire door closer is more favorable for use.

In this embodiment, the lubricating device is further included, and the lubricating device can lubricate the movable rotating shaft 404, and is disposed on the driving arm 4, and the lubricating device includes a box 13 filled with lubricating liquid, a nozzle 18, an oil pipe 16, an oil pump 14, an electromagnetic valve 15 capable of regulating the opening of the oil pump 14, and a resistance sensor 19 capable of detecting the rotational resistance of the driving arm 4, wherein the box 13 and the oil pump 14 are disposed on the upper surface of the driving arm 4, one end of the oil pipe 16 is connected with the oil pump 14, the other end of the oil pipe is connected with the nozzle 18, the electromagnetic valve 15 is disposed at the connection between the oil pump 14 and the oil pipe 16, the resistance sensor 19 is disposed on the driving arm 4, the resistance sensor 19 is connected with the input end of the microcontroller 8, and the output end of the microcontroller 8 is connected with the input end of the electromagnetic valve 15; an oil inlet 17 is formed in the shell 403, and the spray head 18 is detachably connected with the oil inlet 17 through threads; in the long-term use process, the driving arm 4 may rust or otherwise generate resistance to affect the normal closing of the fire door 1, the resistance sensor 19 detects the rotation resistance of the driving arm 4, but when the rotation resistance of the driving arm 4 is detected to be too large, a resistance signal is generated and transmitted to the microcontroller 8, the microcontroller 8 converts the resistance signal into a control signal and transmits the control signal to the electromagnetic valve 15, so that the electromagnetic valve 15 is opened, the oil pump 14 is operated, under the action of high pressure, the lubricating liquid in the box body 13 is injected into the shell 403 through the oil pipe 16 and the spray head 18, the movable rotating shaft 404 for movably connecting the first driving arm 401 and the second driving arm 402 is lubricated, the folding and stretching actions of the first driving arm 401 and the second driving arm 402 are smoother, the influence of resistance is reduced, and the fire door 1 is smoothly closed when a fire disaster occurs in the fire door closer, the situation that the fireproof door 1 cannot be closed due to the resistance influence of the movable rotating shaft 404 is avoided, and the normal work of the fireproof door closer is ensured.

In this embodiment, the driving part 3 includes a driving shaft 303, an outer shell 301, and a driving motor 302, the outer shell 301 is fixed on the door frame 2 above the fire door 1, a driving end of the driving motor 302 is connected with a driven end of the driving shaft 303, a driven end of the driving shaft 303 penetrates the outer shell 301 to be connected with the driving arm 4, the driving motor 302 and the micro-controller 8 are disposed in the housing 301, the driving motor 302 is electrically connected to the micro-controller 8, the driving arm 4 comprises a first driving arm 401, a second driving arm 402, a movable rotating shaft 404 and a shell 403 sleeved on the movable rotating shaft 404, wherein the first driving arm 401 can be folded and stretched according to the opening and closing actions of the fireproof door 1, one end of the first driving arm 401 is connected with the driven end of the driving shaft 303, the other end of the first driving arm 401 is movably connected with one end of the second driving arm 402 through the movable rotating shaft 404, and the other end of the second driving arm 402 is arranged at the upper edge of the fireproof door 1; under the daily condition, the driving shaft 303 drives the first driving arm 401 and the second driving arm 402 to fold and contract, so that the fireproof door 1 performs opening and closing actions, when a fire occurs, the smoke detector 12 detects whether the smoke of the fire reaches the concentration which is harmful to the human body, the temperature sensor 10 detects whether the temperature condition on the fireproof door 1 reaches the temperature of the fire, the temperature sensor transmits a circuit signal to the driving motor 302 to control the driving motor 302 to perform actions, the driving motor 302 drives the driving shaft 303 to perform driving actions, the driving shaft 303 drives the first driving arm 401 to perform folding actions, the first driving arm 401 drives the second driving arm 402 to perform folding and stretching actions together through the movable rotating shaft 404, the second driving arm 402 drives the fireproof door 1 to perform closing actions, the fireproof door 1 is closed, smoke and fire are isolated, and people are guaranteed not to be damaged by the fire in a fire passage, the mechanical driving action of the driving portion 3 and the driving arm 4 drives the fire door 1 to open and close.

In this embodiment, the door frame 2 is provided with a fireproof cover 5, and the fireproof cover 5 is provided with an opening through which the driving shaft 303 and the touch rod can extend conveniently; the fireproof cover 5 is made of fireproof and high-temperature-resistant materials, such as glass wool, expanded polystyrene boards (EPS boards) and the like, when a fire disaster occurs, the fireproof cover 5 prevents circuit components in devices such as a monitoring device and an automatic regulating device from being affected by the high temperature of the fire disaster, and the normal work of the functions of automatic closing of a fireproof door closer, fire disaster alarming and the like under the fire disaster condition is guaranteed.

In the embodiment, the fire-fighting safety door also comprises a standby power supply in case of fire, wherein the standby power supply is arranged in the fireproof cover 5 on the door frame 2 and is electrically connected with the driving part 3, the monitoring device and the automatic regulating and controlling device; when a fire disaster happens, a normal power supply system can be damaged and cannot provide electric energy for various circuit components in the fireproof door closer, at the moment, the standby power supply can act to provide electric energy for the driving part 3, the monitoring device, the automatic regulating and controlling device and the like, and the normal work of the functions of automatic closing, fire alarm and the like of the fireproof door closer under the power failure condition is ensured, such as a 4AH-12V storage battery and the like.

In this embodiment, fire alarm device 11 indicates in fire automatic alarm system for receive, show and transmission fire alarm signal, and can send control signal and have other auxiliary function's control indicating equipment, be the core component among fire alarm system, still include alarm lamp, fire signal wireless transmitter etc. in this embodiment, fire alarm device 11 can carry out wireless connection with the fire alarm system terminal of monitor, because do not the utility model discloses a key point, technical field's technical personnel all should know, do not give unnecessary detail herein.

In the present embodiment, the tension detector 9 is a common tension detecting device such as a KIP-1-10KN type, HTU-2Klb type tension detector, or the like.

In this embodiment, the signal transmitter 20 is a common wireless signal transmission device capable of transmitting the audio/video signal from the signal source to the remote monitoring terminal, such as a ST58T8G series wireless signal transmitter, a ST9500DBH wireless signal transmitter, and the like.

In this embodiment, the microcontroller 8 is a programmable single chip microcomputer of AT89C2051 or TMS320VC5509A, and the like.

In this embodiment, the smoke detector 12 is a conventional smoke detection device such as model JT-LZ-1902, model JTY-GF-XY701, or the like.

In the present embodiment, the temperature sensor 10 is a common temperature sensor 10 device, such as a sensor of WS90501-N type, a sensor of KNE-WZP type, or the like.

In the present embodiment, the solenoid valve 15 is a common solenoid valve 15 device, such as a 4V series, V0930-00 model solenoid valve, and the like.

In the present embodiment, the resistance sensor 19 is a common resistance sensor 19 device, such as a resistance sensor model TL-305, a resistance sensor model STK-600, or the like.

In the present embodiment, the driving motor 302 is a common motor device, such as a 25BYZ series linear motor, a YS7124-0.37KW B5 model asynchronous motor, and the like.

In this embodiment, the lubricating fluid is a common high temperature resistant, non-flammable lubricant, such as lubricating oil.

The utility model discloses when concrete implementation: under daily conditions, the fireproof door 1 is normally opened, when the fireproof door 1 is opened and closed, the fireproof door 1 is closed to drive the driving arm 4 to fold and contract, so as to drive the driving part 3 and the touch rod to move, so that the touch switch 7 is opened, the micro controller 8 receives a touch signal and converts the touch signal into a control signal, the control signal is transmitted to the tension detector 9, the tension detector 9 detects the tension condition of the driving part 3 to judge whether the fireproof door 1 is closed or not, when the fireproof door 1 is detected to be closed, a closing signal is generated and transmitted to the signal transmitter 20, the signal transmitter 20 is connected with a data terminal of a monitoring room, the closing signal is transmitted to the monitoring room, so that a worker can know the closing state of the fireproof door 1 in time, the worker can conveniently process the fireproof door 1, the fireproof door 1 is opened, and the fireproof door 1 is ensured to be always opened, the situation that the fireproof door 1 is closed or the fireproof door 1 is blocked when a fire disaster happens is avoided; when a fire disaster occurs, when smoke and temperature reach the concentration and temperature of the fire disaster, the smoke detector 12 and the temperature sensor 10 both generate abnormal signals and transmit the abnormal signals to the microcontroller 8, the microcontroller 8 converts the abnormal signals into control signals and transmits the control signals to the driving part 3 and the fire alarm device 11, the driving part 3 is controlled to act, the driving arm 4 is driven to fold and contract, the fireproof door 1 is closed, the smoke and the fire disaster are isolated, people are guaranteed not to be damaged by the fire disaster in a fire fighting channel, and meanwhile, the fire disaster alarm device 11 is connected with a monitoring terminal of a monitoring room to monitor and transmit the fire disaster in real time; in the long-term use process, the driving arm 4 may rust or otherwise generate resistance to affect the normal closing of the fire door 1, the resistance sensor 19 detects the rotation resistance of the driving arm 4, but when the rotation resistance of the driving arm 4 is detected to be too large, a resistance signal is generated and transmitted to the microcontroller 8, the electromagnetic valve 15 is opened through circuit signal transmission, the oil pump 14 acts, under the action of high pressure, the lubricating liquid in the box body 13 is injected into the shell 403 through the oil pipe 16 and the spray head 18, the movable rotating shaft 404 for movably connecting the first driving arm 401 and the second driving arm 402 is lubricated, the folding and stretching actions of the first driving arm 401 and the second driving arm 402 are smoother, the influence of resistance is reduced, the automatic fire door closer with the monitoring function improves the practicability of the fire door closer and enhances the safety coefficient of the fire door closer, the fireproof door closer is more favorable for use.

It is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; the circuits described in the present invention are all commonly used circuits in the field, and other related components are all commonly used components, and for those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fire prevention door closer which characterized in that: the fire door automatic closing device comprises a door closer main body, a monitoring device and an automatic regulating and controlling device, wherein the door closer main body can drive and regulate a fire door, the monitoring device can detect the opening condition of the fire door, and the automatic regulating and controlling device can automatically close the fire door when a fire occurs;

the monitoring device is arranged on a door frame above the fireproof door and comprises a tension detector, a touch rod, a touch switch, a signal transmitter and a microcontroller, wherein the tension detector can detect the tension condition of a driving part to judge whether the fireproof door is closed or not;

the automatic regulating and controlling device is arranged on a door frame above the fireproof door and comprises a smoke detector, a temperature sensor and a fire alarm device, wherein the smoke detector and the temperature sensor are respectively and electrically connected with the input ends of the microcontroller, the fire alarm device and the driving part through different interfaces;

the lubricating device is arranged on the driving arm and comprises a box body filled with lubricating liquid, a spray head, an oil pipe, an oil pump, a solenoid valve capable of regulating the opening of the oil pump and a resistance sensor capable of detecting the rotation resistance of the driving arm, wherein the box body and the oil pump are arranged on the upper surface of the driving arm; in case of fire, the automatic regulating and controlling device can control the driving part and the driving arm to close the fireproof door.

2. The fire resistant door closer of claim 1, wherein: the driving part comprises a driving shaft, an outer shell and a driving motor, the outer shell is fixed on a door frame above the fireproof door, the driving end of the driving motor is connected with the driven end of the driving shaft, the driven end of the driving shaft penetrates through the outer shell to be connected with a driving arm, the driving motor and a microcontroller are arranged in the outer shell, and the driving motor is electrically connected with the microcontroller.

3. The fire resistant door closer of claim 1, wherein: the driving arm comprises a first driving arm, a second driving arm, a movable rotating shaft and a shell, wherein the first driving arm, the second driving arm, the movable rotating shaft and the shell are sleeved on the movable rotating shaft, the first driving arm can be folded and stretched according to the opening and closing action of the fireproof door, one end of the first driving arm is connected with the driven end of the driving shaft, the other end of the first driving arm is movably connected with one end of the second driving arm through the movable rotating shaft, and the other end of the second driving arm is installed at the upper edge of the fireproof door.

4. The fire resistant door closer of claim 3, wherein: the shell is provided with an oil inlet, and the spray head is detachably connected with the oil inlet.

5. The fire resistant door closer of claim 1, wherein: the door frame is provided with a fireproof cover, and the fireproof cover is provided with an opening facilitating the extension of the driving shaft and the touch rod.

6. The fire resistant door closer of claim 1, wherein: still including the stand-by power supply when taking place the conflagration, stand-by power supply sets up in the fire prevention cover on the door frame, and stand-by power supply can carry out electric connection with drive division, monitoring device, automatic regulation and control device.