Integrated fireproof door electric door closer control system

Abstract

The utility model discloses an integrated fireproof door electric door closer control system, which relates to the technical field of fire control, and comprises a monitoring center, a fire alarm, normally open fireproof doors arranged on each floor, and data acquisition, transmission and control modules arranged on each fireproof door, the normally-open type fireproof door comprises a door frame, a door leaf arranged in the door frame, a fireproof hinge arranged between the outer side of the door leaf and the door frame, and an electric door closer arranged at the top of the door leaf. A sensor module, a sensor preprocessing module, a single-chip microcomputer module, a data transmission module, a direct current motor, a motor driving module and a power module are further arranged on the door leaf, closing work of all fire exit doors of all floors can be completed in a short time after a fire occurs, more time is won for residents to escape, loss of life and property is reduced, and the safety of the residents is improved. And daily inspection can be flexibly and quickly performed on the fireproof door.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire protection, and in particular relates to an integrated electric door closer control system for a fireproof door. Background Art

[0002] At present, there are more and more high-rise elevator residences. As basic fire-fighting facilities, fire doors are installed on each floor. Due to floor design reasons, many fire doors are installed in front of residents' doors.

[0003] In order to facilitate residents' travel, most fire doors in residential areas are normally open fire doors. Once a fire occurs, it is difficult to close all of the normally open fire doors in a short period of time, causing smoke to quickly penetrate into the escape route, reducing the time for residents to escape and causing more casualties and material damage. In addition, there are a large number of fire doors in residential areas, and daily inspections require a lot of manpower and time.

[0004] In order to overcome the above-mentioned problems in the prior art, the present invention provides an integrated fire door electric door closer control system, which can complete the closing of all fire doors on each floor in a short time after a fire occurs, thereby winning more time for residents to escape and reducing the loss of life and property. It can also flexibly and quickly carry out daily inspections of fire doors. Utility Model Content

[0005] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned prior art and propose an integrated fire door electric door closer control system, which can complete the closing of all fire doors on each floor in a short time after a fire occurs, thereby winning more time for residents to escape and reducing the loss of life and property. It can also flexibly and quickly carry out daily inspections of fire doors.

[0006] The utility model adopts the following technical solutions to solve the above technical problems

[0007] An integrated fire door and electric door closer control system includes a monitoring center, a fire alarm, normally open fire doors arranged on each floor, and a data acquisition, transmission and control module arranged on each fire door, the data acquisition, transmission and control module being connected to the monitoring center and the fire alarm respectively; the normally open fire door includes a door frame, a door leaf arranged in the door frame, a fire hinge arranged between the outer side of the door leaf and the door frame, and an electric door closer arranged at the top of the door leaf, the door leaf is also provided with a sensor module, a sensor preprocessing module, a single-chip computer module, a data transmission module, a DC motor and motor drive module and a power supply module, the sensor module includes a temperature sensor, a smoke sensor, and a combustible gas concentration detection unit; the temperature sensor, smoke sensor, and combustible gas concentration detection unit are connected to the single-chip computer module through the sensor preprocessing module, the data transmission module, the DC motor and motor drive module and the power supply module are respectively connected to the single-chip computer module, and the single-chip computer module is connected to the electric door closer through the DC motor and the motor drive module.

[0008] As a further preferred solution of the integrated fire door electric door closer control system of the utility model, the sensor preprocessing module includes a multi-channel signal switching module, a sensor signal conditioning circuit, a voltage divider follower filter circuit, and an A / D converter. The temperature sensor, smoke sensor, and combustible gas concentration detection unit are respectively connected to the controller module through the multi-channel signal switching module, the sensor signal conditioning circuit, the voltage divider follower filter circuit, and the A / D converter.

[0009] As a further preferred embodiment of the control system of an integrated fire door electric door closer of the utility model, the single chip control module includes a chip U2, a capacitor C3, a capacitor C4, a capacitor C5, a crystal oscillator X1, a switch S1, a resistor R1, a resistor R2, a resistor R3, and a resistor R4; wherein, one end of the capacitor C3 is respectively connected to one end of the crystal oscillator X1 and a pin 19 of the chip U2, the other end of the crystal oscillator X1 is respectively connected to one end of the capacitor C4 and a pin 18 of the chip U2, the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, one end of the resistor R5 is respectively connected to one end of the capacitor C5 and the switch One end of switch S1 is connected to pin 9 of chip U2, the other end of resistor R5 is grounded, the other end of capacitor C5 is respectively connected to the VCC end and the other end of switch S1, one end of resistor R1 is connected to pin 39 of chip U2, the other end of resistor R1 is connected to the VCC end, one end of resistor R2 is connected to pin 38 of chip U2, the other end of resistor R2 is connected to the VCC end, one end of resistor R3 is connected to pin 37 of chip U2, the other end of resistor R3 is connected to the VCC end, one end of resistor R4 is connected to pin 36 of chip U2, and the other end of resistor R4 is connected to the VCC end.

[0010] As a further preferred embodiment of the control system of an integrated fire door electric door closer of the present invention, the DC motor and motor drive module include a motor drive U4, a capacitor C6, a capacitor C7, a capacitor C8, a diode D2, a diode D3, a DC motor M1, and a DC motor M2; wherein, pin 1, pin 15, and pin 8 of the motor drive U4 are grounded, one end of the capacitor C6 is respectively connected to pin 9, pin 4, and the VCC end of the motor drive U4, the other end of the capacitor C6 is grounded, one end of the DC motor M1 is respectively connected to one end of the capacitor C8, pin 2 of the motor drive U4, and the positive electrode of the diode D2, the other end of the DC motor M1 is respectively connected to the other end of the capacitor C8 and pin 3 of the motor drive U4, the pin 13 of the motor drive U4 is respectively connected to the positive electrode of the diode D3, one end of the capacitor C7, and one end of the DC motor M2, the pin 14 of the motor drive U4 is respectively connected to the other end of the capacitor C7 and the other end of the DC motor M2, the cathode of the diode D2 is grounded, and the cathode of the diode D3 is grounded.

[0011] As a further preferred solution of the integrated fire door electric door closer control system of the utility model, the power supply module includes a chip U1, a power supply B1, a capacitor C1, a capacitor C2, an inductor L1, and a Zener diode D1; wherein, pin 1 of the chip U1 is respectively connected to the positive electrode of the power supply B1 and one end of the capacitor C1, the negative electrode of the power supply B1 is grounded, the other end of the capacitor C1 is grounded, pin 3 of the chip U1 is grounded, pin 5 of the chip U1 is grounded, pin 2 of the chip U1 is respectively connected to the negative electrode of the Zener diode D1 and one end of the inductor L1, the positive electrode of the Zener diode is grounded, the other end of the inductor L1 is respectively connected to one end of the capacitor C2, pin 4 of the chip U1 and the Output output end, and the other end of the capacitor C2 is grounded.

[0012] As a further preferred solution of the integrated fire door electric door closer control system of the present invention, the chip model of the multi-channel signal switching module is CD4052 / CC4052.

[0013] As a further preferred solution of the integrated fire door electric door closer control system of the present invention, the model of the chip U1 is LM2596; the model of the chip U2 is STC89C52.

[0014] Compared with the prior art, the above technical solution adopted by the present invention has the following technical effects:

[0015] The utility model provides an integrated fire door electric door closer control system, comprising a monitoring center, a fire alarm, a normally open fire door arranged on each floor, and a data acquisition, transmission and control module arranged on each fire door, wherein the data acquisition, transmission and control module are connected to the monitoring center and the fire alarm respectively; the normally open fire door comprises a door frame, a door leaf arranged in the door frame, a fire hinge arranged between the outer side of the door leaf and the door frame, and an electric door closer arranged on the top of the door leaf, the door leaf is also provided with a sensor module, a sensor preprocessing module, a single chip computer module, a data transmission module, a DC motor and a motor drive module and a power supply module, the sensor module comprises a temperature sensor, a smoke sensor Detector, combustible gas concentration detection unit; the utility model detects that when the various parameters of the temperature sensor, smoke sensor, and combustible gas concentration detection unit exceed the threshold value, the fire alarm sounds an alarm, and the control module on each fire door cuts off the power supply module of the electric door closer to release the normally open mode and automatically close the fire door. After a fire occurs, the closing work of all fire doors on each floor can be completed in a short time, which buys more time for residents to escape and reduces the loss of life and property; moreover, the central control center can monitor the use status of each fire door in real time according to the status of the control module, and can also perform detection on the switching action of each fire door through the central control center, which can be broken down into parts and flexibly checked, greatly saving manpower and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the structural principle of the utility model's integrated fire door electric door closer control system;

[0017] Figure 2 This is a structural diagram of the normally open fire door of the utility model;

[0018] Figure 3 This is a structural principle diagram of the data acquisition, transmission and control module of the utility model;

[0019] Figure 4 This is a structural principle diagram of the single chip microcomputer control module of the utility model;

[0020] Figure 5 This is a circuit diagram of the DC motor and motor drive module of the utility model;

[0021] Figure 6 It is a circuit diagram of the power module of the utility model. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described in detail below with reference to the accompanying drawings:

[0023] To further illustrate the content, features, and efficacy of the present invention, the following examples are provided to further describe the present invention. Those skilled in the art will appreciate that modifications or substitutions may be made to the details and form of the technical solution of the present invention without departing from the spirit and scope of the present invention, and that such modifications and substitutions fall within the scope of protection of the present invention.

[0024] An integrated fire door electric door closer control system, such as Figure 1 As shown, it includes a monitoring center, a fire alarm, a normally open fire door installed on each floor, and a data acquisition, transmission and control module installed on each fire door. The data acquisition, transmission and control module are connected to the monitoring center and the fire alarm respectively; Figure 2 As shown, the normally open fire door includes a door frame 1, a door leaf 2 arranged in the door frame, a fire hinge 3 arranged between the outer side of the door leaf and the door frame, and an electric door closer 4 arranged at the top of the door leaf, as shown in FIG. Figure 3 As shown, the door leaf is also provided with a sensor module, a sensor preprocessing module, a single-chip computer module, a data transmission module, a DC motor and motor drive module and a power supply module. The sensor module includes a temperature sensor, a smoke sensor, and a combustible gas concentration detection unit; the temperature sensor, smoke sensor, and combustible gas concentration detection unit are connected to the single-chip computer module through the sensor preprocessing module, and the data transmission module, DC motor and motor drive module and power supply module are respectively connected to the single-chip computer module, and the single-chip computer module is connected to the electric door closer 4 through the DC motor and motor drive module.

[0025] The utility model detects that when the parameters of the temperature sensor, smoke sensor and combustible gas concentration detection unit exceed the threshold value, the fire alarm will sound an alarm, and the control module on each fire door will cut off the power supply module of the electric door closer to release the normally open mode and automatically close the fire door. After the fire occurs, the closing work of all fire doors on each floor can be completed in a short time, which buys more time for residents to escape and reduces the loss of life and property. Moreover, the central control center can monitor the use status of each fire door in real time according to the status of the control module, and can also perform detection on the switching action of each fire door through the central control center, which can be broken down into parts for flexible inspection.

[0026] The sensor preprocessing module includes a multi-channel signal switching module, a sensor signal conditioning circuit, a voltage divider follower filtering circuit, and an A / D converter. The temperature sensor, smoke sensor, and combustible gas concentration detection unit are connected to the controller module in sequence through the multi-channel signal switching module, the sensor signal conditioning circuit, the voltage divider follower filtering circuit, and the A / D converter.

[0027] like Figure 4As shown, the single-chip microcomputer control module includes a chip U2, a capacitor C3, a capacitor C4, a capacitor C5, a crystal oscillator X1, a switch S1, a resistor R1, a resistor R2, a resistor R3, and a resistor R4; wherein, one end of the capacitor C3 is respectively connected to one end of the crystal oscillator X1 and a pin 19 of the chip U2, the other end of the crystal oscillator X1 is respectively connected to one end of the capacitor C4 and a pin 18 of the chip U2, the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, and one end of the resistor R5 is respectively connected to one end of the capacitor C5, one end of the switch S1, and a pin 9 of the chip U2. The other end of the resistor R5 is connected to the ground, the other end of the capacitor C5 is respectively connected to the VCC end and the other end of the switch S1, one end of the resistor R1 is connected to pin 39 of the chip U2, and the other end of the resistor R1 is connected to the VCC end, one end of the resistor R2 is connected to pin 38 of the chip U2, and the other end of the resistor R2 is connected to the VCC end, one end of the resistor R3 is connected to pin 37 of the chip U2, and the other end of the resistor R3 is connected to the VCC end, one end of the resistor R4 is connected to pin 36 of the chip U2, and the other end of the resistor R4 is connected to the VCC end.

[0028] The core component of the control module of this system is the STC89C52 single-chip microcomputer. The STC89C52 belongs to the 51 series of single-chip microcomputers. Compared with other 51 series single-chip microcomputers such as the STC89C51, it has the following advantages: low energy consumption, fast operation speed, ISP online programming, strong anti-interference ability, and two 16-bit programmable timer counters.

[0029] The STC89C52 instruction set is fully compatible with the instruction sets of the general 51 series microcontrollers. It has 8k of Flash program storage and 512 bytes of random access memory (RAM). It is also relatively inexpensive, and its minimum system has simple peripheral circuits. Numerous tests have shown that the STC89C52's performance indicators, such as speed and accuracy, fully meet the requirements.

[0030] like Figure 5As shown, the DC motor and motor drive module include a motor drive U4, a capacitor C6, a capacitor C7, a capacitor C8, a diode D2, a diode D3, a DC motor M1, and a DC motor M2; wherein, pin 1, pin 15, and pin 8 of the motor drive U4 are grounded, one end of the capacitor C6 is respectively connected to pin 9, pin 4, and the VCC end of the motor drive U4, the other end of the capacitor C6 is grounded, one end of the DC motor M1 is respectively connected to one end of the capacitor C8, pin 2 of the motor drive U4, and the positive electrode of the diode D2, the other end of the DC motor M1 is respectively connected to the other end of the capacitor C8 and pin 3 of the motor drive U4, the pin 13 of the motor drive U4 is respectively connected to the positive electrode of the diode D3, one end of the capacitor C7, and one end of the DC motor M2, the pin 14 of the motor drive U4 is respectively connected to the other end of the capacitor C7 and the other end of the DC motor M2, the cathode of the diode D2 is grounded, and the cathode of the diode D3 is grounded.

[0031] The single-chip microcomputer used in this utility model has a weak load capacity and cannot directly drive a DC motor, so it is necessary to select a suitable motor driver. The motor driver can increase the control current of the motor. L298N is a mature H-bridge integrated circuit with simple operation. It can be used by simply connecting the power supply, motor and the control end of the single-chip microcomputer. It has reliable performance and is easy to use within the rated voltage and rated current.

[0032] The motor drive module can be powered by either +5V or +12V. Each 18650 lithium battery has a nominal voltage of 3.7V. The LM2596 is a 3A current-output step-down switching integrated voltage regulator. It features a built-in 150kHz fixed-frequency oscillator and a 1.23V reference regulator. It also includes thermal shutdown, overcurrent, and overvoltage protection circuits. This chip and a minimal number of peripheral components, such as capacitors and resistors, form a stable and efficient voltage regulator. The LM2596 boasts excellent linearity and load regulation. Its fixed outputs can range from 3.3V, 5V, and 12V, while its adjustable output range is 0 to 37V. Therefore, the power supply module is constructed using 18650 lithium batteries, the LM2596, and a few peripheral components. Three 18650 lithium batteries are connected in series to generate a DC voltage of approximately +12V, which is then regulated to +5V by the adjustable-voltage LM2596.

[0033] like Figure 6As shown, the power supply module includes a chip U1, a power supply B1, a capacitor C1, a capacitor C2, an inductor L1, and a Zener diode D1; wherein, pin 1 of the chip U1 is respectively connected to the positive electrode of the power supply B1 and one end of the capacitor C1, the negative electrode of the power supply B1 is grounded, the other end of the capacitor C1 is grounded, pin 3 of the chip U1 is grounded, pin 5 of the chip U1 is grounded, pin 2 of the chip U1 is respectively connected to the negative electrode of the Zener diode D1 and one end of the inductor L1, the positive electrode of the Zener diode is grounded, the other end of the inductor L1 is respectively connected to one end of the capacitor C2, pin 4 of the chip U1 and the Output output end, and the other end of the capacitor C2 is grounded.

[0034] The chip model of the multi-channel signal switching module is CD4052 / CC4052.

[0035] The model of the chip U1 is LM2596; the model of the chip U2 is STC89C52.

[0036] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0037] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0038] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An integrated fire door electric door closer control system, characterized by: The invention comprises a monitoring center, a fire alarm, a normally open fire door arranged on each floor, and a data acquisition, transmission and control module arranged on each fire door, wherein the data acquisition, transmission and control module is respectively connected to the normally open fire door, the monitoring center and the fire alarm; the normally open fire door comprises a door frame (1), a door leaf (2) arranged in the door frame, a fire hinge (3) arranged between the outer side of the door leaf and the door frame, and an electric door closer (4) arranged on the top of the door leaf, the door leaf is also provided with a sensor module, a sensor pre-processing module, a single chip computer module, a data transmission module, a DC motor and a motor drive module and a power supply module, the sensor module comprises a temperature sensor, a smoke sensor and a combustible gas concentration detection unit; the temperature sensor, the smoke sensor and the combustible gas concentration detection unit are connected to the single chip computer module via the sensor pre-processing module, the data transmission module, the DC motor and the motor drive module and the power supply module are respectively connected to the single chip computer module, and the single chip computer module is connected to the electric door closer (4) via the DC motor and the motor drive module.

2. The integrated fire door electric door closer control system according to claim 1, characterized in that: The sensor preprocessing module includes a multi-channel signal switching module, a sensor signal conditioning circuit, a voltage divider follower filtering circuit, and an A / D converter. The temperature sensor, smoke sensor, and combustible gas concentration detection unit are connected to the controller module in sequence through the multi-channel signal switching module, the sensor signal conditioning circuit, the voltage divider follower filtering circuit, and the A / D converter.

3. The integrated fire door electric door closer control system according to claim 1, characterized in that: The single chip control module includes chip U2, capacitor C3, capacitor C4, capacitor C5, crystal oscillator X1, switch S1, resistor R1, resistor R2, resistor R3, resistor R4; in One end of capacitor C3 is respectively connected to one end of crystal oscillator X1 and pin 19 of chip U2, the other end of crystal oscillator X1 is respectively connected to one end of capacitor C4 and pin 18 of chip U2, the other end of capacitor C3 is grounded, the other end of capacitor C4 is grounded, one end of resistor R5 is respectively connected to one end of capacitor C5, one end of switch S1 and pin 9 of chip U2, the other end of resistor R5 is grounded, the other end of capacitor C5 is respectively connected to VCC end and the other end of switch S1, one end of resistor R1 is connected to pin 39 of chip U2, the other end of resistor R1 is connected to VCC end, one end of resistor R2 is connected to pin 38 of chip U2, the other end of resistor R2 is connected to VCC end, one end of resistor R3 is connected to pin 37 of chip U2, the other end of resistor R3 is connected to VCC end, one end of resistor R4 is connected to pin 36 of chip U2, and the other end of resistor R4 is connected to VCC end.

4. The integrated fire door electric door closer control system according to claim 1, characterized in that: The DC motor and motor drive module include a motor drive U4, a capacitor C6, a capacitor C7, a capacitor C8, a diode D2, a diode D3, a DC motor M1, and a DC motor M2; wherein, pin 1, pin 15, and pin 8 of the motor drive U4 are grounded, one end of the capacitor C6 is respectively connected to pin 9, pin 4, and the VCC end of the motor drive U4, the other end of the capacitor C6 is grounded, one end of the DC motor M1 is respectively connected to one end of the capacitor C8, pin 2 of the motor drive U4, and the positive pole of the diode D2, the other end of the DC motor M1 is respectively connected to the other end of the capacitor C8 and pin 3 of the motor drive U4, pin 13 of the motor drive U4 is respectively connected to the positive pole of the diode D3, one end of the capacitor C7, and one end of the DC motor M2, pin 14 of the motor drive U4 is respectively connected to the other end of the capacitor C7 and the other end of the DC motor M2, the cathode of the diode D2 is grounded, and the cathode of the diode D3 is grounded.

5. The integrated fire door electric door closer control system according to claim 1, characterized in that: The power supply module includes a chip U1, a power supply B1, a capacitor C1, a capacitor C2, an inductor L1, and a Zener diode D1; wherein, pin 1 of the chip U1 is respectively connected to the positive pole of the power supply B1 and one end of the capacitor C1, the negative pole of the power supply B1 is grounded, the other end of the capacitor C1 is grounded, pin 3 of the chip U1 is grounded, pin 5 of the chip U1 is grounded, pin 2 of the chip U1 is respectively connected to the negative pole of the Zener diode D1 and one end of the inductor L1, the positive pole of the Zener diode is grounded, the other end of the inductor L1 is respectively connected to one end of the capacitor C2, pin 4 of the chip U1 and the Output output end, and the other end of the capacitor C2 is grounded.

6. The integrated fire door electric door closer control system according to claim 2, characterized in that: The chip model of the multi-channel signal switching module is CD4052 / CC4052.

7. The integrated fire door electric door closer control system according to claim 5, characterized in that: The model of the chip U1 is LM2596; the model of the chip U2 is STC89C52.

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