Remote control smoke exhaust fireproof valve executing mechanism

Abstract

The utility model discloses a remote control smoke exhaust fire damper actuating mechanism which comprises an actuating mechanism body, a circuit board and a first relay, the power input end of the circuit board is connected with a power source, and an electromagnet is respectively connected with the reset end of the circuit board and an action switch through lines. The first relay is connected with the motor, the reset switch and the action end of the circuit board through lines, the reset switch is connected with the common end of the circuit board and the binding post through lines, the action switch is connected with the reset switch and the binding post through lines, and a signal receiving module is arranged on the circuit board. The signal receiving module receives a remote control signal to remotely control opening or closing of the valve. The valve is reasonable in structural design, the signal receiving module receives remote control signals, opening and closing of the valve can be remotely controlled, potential safety hazards are effectively reduced, and safety performance is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of valve actuators, in particular to a remote-controlled smoke exhaust fire damper actuator. Background Art

[0002] With the development of my country's economy and society, there are more and more high-rise buildings, and high-rise buildings pay the most attention to fire prevention. Therefore, smoke exhaust fire dampers are generally installed in the ventilation systems of high-rise buildings. The blades of the smoke exhaust fire dampers can be opened to exhaust smoke, and the blades can be closed to prevent the thick smoke from spreading to other rooms and corridors. Generally, the opening and closing of the blades of the smoke exhaust fire dampers are controlled by the actuator. The blades are usually in a closed state. Once a fire occurs, the actuator controls the opening of the blades of the smoke exhaust fire dampers to exhaust smoke. If the smoke exceeds a certain temperature, such as 280°C, the smoke will contain sparks. At this time, if the blades of the smoke exhaust fire dampers are not closed to prevent smoke exhaust, it will help the fire spread. Therefore, the actuator is required to close the blades. The actuators of the prior art usually use electric and manual control, which requires personnel to press the operation button in the control center or manually control on site. In case of emergencies, the operation cannot be performed quickly, which poses certain safety hazards. Summary of the invention

[0003] The utility model aims to solve the above technical problems and provides a remote-controlled smoke exhaust fire damper actuator.

[0004] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the utility model is: a remote-controlled smoke exhaust fire damper actuator, characterized in that: it includes an actuator body, a circuit board, and a first relay, the power input end of the circuit board is connected to the power supply, the electromagnet is respectively connected to the reset end and the action switch of the circuit board through lines, the first relay is respectively connected to the motor, the reset switch, and the action end of the circuit board through lines, the reset switch is respectively connected to the common end and the terminal of the circuit board through lines, the action switch is respectively connected to the reset switch and the terminal through lines, and a signal receiving module is provided on the circuit board, and the remote control signal is received by the signal receiving module to remotely control the valve to open or close.

[0005] Preferably: two groups of second relay modules are arranged on the circuit board.

[0006] Preferably: the rated current of the second relay is 10A.

[0007] Preferably: the power supply is a 24V power input.

[0008] Compared with the traditional structure, the utility model has the following beneficial effects: the structure is reasonably designed, a circuit board and a dual-mode relay are added on the basis of the electric control, and the signal receiving module receives the remote control signal, which can remotely (500 meters) control the opening and closing of the valve, and the execution is rapid, which effectively reduces safety hazards and enhances safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 This is a schematic diagram of the structure of the gear set on the base of the utility model;

[0011] In the figure: 1. electromagnet, 2. motor, 3. reset switch, 4. action switch, 5. signal receiving module, 6. circuit board, 7. first relay, 8. actuator body, 9. terminal, 10. movable plate, 11. lock housing, 12. main shaft single claw, 13. torsion spring, 14. base, 15. gear set. DETAILED DESCRIPTION

[0012] The utility model is further described below.

[0013] See attached Figure 1 A remote-controlled smoke exhaust fire damper actuator, characterized in that it includes an actuator body 8, a circuit board 6, and a first relay 7. The power input end of the circuit board 6 is connected to the power supply, the electromagnet 1 is respectively connected to the reset end of the circuit board 6 and the action switch 4 through lines, the first relay 7 is respectively connected to the motor 2, the reset switch 3, and the action end of the circuit board 6 through lines, the reset switch 3 is respectively connected to the common end of the circuit board 6 and the terminal 9 through lines, the action switch 4 is respectively connected to the reset switch 3 and the terminal 9 through lines, the circuit board 6 is provided with a signal receiving module 5 and a plurality of second relays, and the valve is remotely controlled to be opened or closed by receiving a remote control signal through the signal receiving module 5.

[0014] In this preferred embodiment, two groups of second relay modules are arranged on the circuit board.

[0015] In this preferred embodiment, the rated current of the second relay is 10A.

[0016] In this preferred embodiment, the power supply is a 24V power supply.

[0017] In specific implementation, the utility model is mainly used in smoke exhaust valves, fire dampers, and smoke exhaust fire dampers, and can accurately control the opening and closing of the valve. Manual control: The actuator body 8 is fixed on the valve and the handle is installed. Turn the handle counterclockwise to open the valve, and push the movable plate of the mechanism to close the valve.

[0018] Electric control: The actuator body 8 is fixed on the valve and the handle is installed. Connect the 24V power supply, the motor 2 rotates counterclockwise, driving the gear set 15 on the base 14 to rotate, so that the main shaft claw 12 rotates counterclockwise and the valve opens. The 24V power supply is connected to the action terminal, and the electromagnet instantly absorbs the movable plate 10. Using the principle of leverage, the front end of the lock shell 11 is separated from the groove of the movable plate 10, and the middle protrusion of the lock shell 11 is separated from the notch of the main shaft claw 12. Under the action of the torsion spring 13, the main shaft claw 12 rotates clockwise and the valve is closed.

[0019] Remote control: On the basis of electric control, circuit board 6 and dual-mode relay are installed. Signal receiving module 5 receives remote control signal and sends action reset signal through remote control. It can remotely (500 meters) control the opening and closing of valves, effectively reducing safety hazards and enhancing safety performance. The mechanism can also have a built-in 24V power supply, eliminating the connection line from the control room to the actuator on the construction site, reducing construction costs.

[0020] The utility model is also provided with a temperature sensor. When the indoor temperature reaches 70°C or 280°C, the fusible piece melts, the temperature sensor core rod drops instantly, and the top pressure cap pushes the movable plate 10 to swing to one side of the electromagnet 1, so that the main shaft single claw 12 is separated from the lock shell 11, and the valve is closed.

[0021] The above embodiments of the present invention are merely examples to clearly illustrate the present invention, but are not intended to limit the protection scope of the present invention. All equivalent technical solutions also belong to the scope of the present invention. The patent protection scope of the present invention should be defined by the claims.

Claims

1. A remote controlled smoke exhaust fire damper actuator, characterized in that: The invention comprises an actuator body (8), a circuit board (6), and a first relay (7); a power input end of the circuit board (6) is connected to a power supply; an electromagnet (1) is respectively connected to a reset end of the circuit board (6) and an action switch (4) through lines; the first relay (7) is respectively connected to a motor (2), a reset switch (3), and an action end of the circuit board (6) through lines; the reset switch (3) is respectively connected to a common end of the circuit board (6) and a terminal (9) through lines; the action switch (4) is respectively connected to the reset switch (3) and the terminal (9) through lines; a signal receiving module (5) is provided on the circuit board (6); and a remote control signal is received by the signal receiving module (5) to remotely control the valve to be opened or closed.

2. The remote-controlled smoke exhaust fire damper actuator according to claim 1 is characterized in that: Two groups of second relay modules are arranged on the circuit board (6).

3. The remote-controlled smoke exhaust fire damper actuator according to claim 2 is characterized in that: The rated current of the second relay is 10A.

4. The remote-controlled smoke exhaust fire damper actuator according to claim 1 is characterized in that: The power supply is a 24V power input.

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