Fireproof valve with electric auxiliary reset function

Abstract

The fireproof valve with the electric auxiliary reset function comprises a fireproof valve body, an actuator and an auxiliary controller, the top of the fireproof valve body is connected with a mounting plate, the top of the mounting plate is connected with two sets of hanging rings, the two sides of the fireproof valve body are each provided with an air inlet and outlet connector, and the air inlet and outlet connectors are connected with the actuator. A driving blade and two sets of driven blades are arranged in the air inlet and outlet connector, the driving blade is located in the center of the air inlet and outlet connector, the two sets of driven blades are arranged on the upper side and the lower side of the driving blade correspondingly, and the actuator is connected to one side of the fireproof valve body. The auxiliary controller is connected to the side, away from the fireproof valve body, of the actuator, a pull ring is arranged below the actuator, a pull rope is connected between the actuator and the pull ring, after a fire behavior is over, the fireproof valve can be assisted to reset, the resetting process is safer and simpler, and when no fire behavior exists, the fireproof valve can be reset through the pull rope. And the fire damper is prevented from being closed due to misoperation.

Description

Technical Field

[0001] The utility model relates to the technical field of fire dampers, in particular to a fire damper with electric auxiliary resetting. Background Art

[0002] The fire damper is a temperature-controlled memory molten alloy that uses gravity and a spring mechanism to close the valve. When the smoke temperature reaches 280°C, people have basically been evacuated and smoke exhaust is meaningless. At this time, the smoke is already filled with fire, so the valve automatically closes to prevent the fire from spreading.

[0003] The application number CN201921935593.5 is retrieved. The fire damper can be quickly merged, improves the sealing effect, is simple to operate, improves safety, and improves installation efficiency.

[0004] Similar to the above-mentioned fire damper, although it can be quickly merged, improves the sealing effect, is simple to operate, improves safety, and improves installation efficiency, it does not have an auxiliary reset device. Since the exhaust pipe and the fire damper are both installed on the ceiling and the space of the inspection port on the ceiling is relatively narrow, it is not easy to operate without auxiliary reset and accidents are prone to occur.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a fire damper with electric auxiliary reset is proposed to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide a fire damper with electric auxiliary reset to solve the problem that a heat exchange tube is proposed in the above background technology, which is not provided with a throttling device and cannot control the heating or cooling rate of the fluid in the tube, making it impossible to accurately control the heat exchange process during the medium heat exchange process.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire damper with electric auxiliary reset, comprising a fire damper body, an actuator and an auxiliary controller, the top of the fire damper body is connected to a mounting plate, and the top of the mounting plate is connected to two groups of hanging rings, both sides of the fire damper body are provided with inlet and outlet connection ports, and the inlet and outlet connection ports are provided with active blades and two groups of driven blades, the active blades are located at the center of the inlet and outlet connection ports, and the two groups of driven blades are respectively arranged on the upper and lower sides of the active blades, the actuator is connected to one side of the fire damper body, and the auxiliary controller is connected to the side of the actuator away from the fire damper body, a pull ring is provided below the actuator, and a pull rope is connected between the actuator and the pull ring.

[0008] Preferably, the active blades are connected to No. 1 sealing baffles on both upper and lower sides, the driven blades are connected to No. 2 sealing baffles on both upper and lower sides, and the two groups of No. 1 sealing baffles connected to the active blades are respectively interlocked with the No. 2 sealing baffles on the two groups of driven blades.

[0009] Preferably, a connecting block is connected to the center position of one side of the active blade and the driven blade, and a connecting chain is connected below the connecting block, and three groups of connecting chains are connected to transmission rods, an active rotating shaft is provided in the active blade, and a driven rotating shaft is provided in the driven blade.

[0010] Preferably, a No. 1 slide groove is provided on one side of the auxiliary controller, a blade reset hand lever is provided in the No. 1 slide groove, one end of the blade reset hand lever is connected to the actuator, and a connecting disk is provided at the connection between the blade reset hand lever and the actuator, and a reset motor is connected to the side of the connecting disk close to the auxiliary controller.

[0011] Preferably, a No. 2 slide slot is provided on the side of the auxiliary controller away from the actuator, an indication switch slide slot is provided in the actuator, indication switches are provided in the No. 2 slide slot and the switch slide slot, and a reset path switch is provided at the top upper position of the switch slide slot.

[0012] Preferably, a reset connection block is provided in the auxiliary controller, and a reset lever is provided on one side of the reset connection block, an end of the reset lever away from the reset connection block is connected to an indication connection block, and the indication connection block is connected to one side of the indication switch, and a circuit connector is connected to one side of the reset lever.

[0013] Compared with the prior art, the utility model has the following beneficial effects: it can assist in resetting the fire damper after the fire is over, making the resetting process safer and simpler, and can avoid the fire damper from closing due to incorrect operation when there is no fire. The specific contents are as follows:

[0014] When the indicator switch is at the top, it means that the active blade and the two groups of driven blades are in a closed state, and the reset lever and the reset path switch are fitted together, and the reset lever is connected to the circuit through the circuit connector, and the auxiliary controller is energized, and the auxiliary controller can be remotely controlled at this time, and the actuator is controlled by the auxiliary controller, and the blade reset hand lever and the connecting plate are driven by the reset motor to rotate along the direction of the No. 1 slide slot, and when the blade reset hand lever moves to the bottom of the No. 1 slide slot, the active blade and the two groups of driven blades are in an expanded state, and the indicator switch slides in the switch slide slot and the No. 2 slide slot, and the indicator switch drives the connected indicating connection block to slide during the sliding process, and then drives the reset lever to rotate with the reset connection block as the center point through the indicating connection block, and the reset lever is away from the reset path switch at this time, and the auxiliary controller is powered off to avoid the fire damper being closed due to human intervention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the main body of a fire damper with electric auxiliary reset according to the utility model;

[0016] Figure 2 This is a schematic structural diagram of a blade connection structure of a fire damper with electric auxiliary reset according to the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of an auxiliary controller of a fire damper with electric auxiliary reset according to the utility model;

[0018] Figure 4 This is a schematic structural diagram of an actuator of a fire damper with electric auxiliary reset according to the utility model;

[0019] Figure 5 The utility model is a structural schematic diagram of a reset lever of a fire damper with electric auxiliary reset.

[0020] In the figure: 1. Fire damper body; 11. Inlet and outlet connection port; 12. Active blade; 121. No. 1 sealing baffle; 122. Active rotating shaft; 13. Driven blade; 131. No. 2 sealing baffle; 132. Driven rotating shaft; 14. Connecting block; 15. Connecting chain; 16. Transmission rod; 2. Mounting plate; 3. Lifting ring; 4. Actuator; 41. Pull ring; 411. Pull rope; 42. Blade reset handle; 421. Connecting plate; 43. Indicator switch; 431. Switch slide; 5. Auxiliary controller; 51. No. 1 slide; 52. No. 2 slide; 53. Reset motor; 54. Reset connecting block; 55. Reset lever; 551. Indicator connecting block; 552. Circuit connector; 56. Reset passage switch. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5 , a fire damper with electric auxiliary reset, comprising a fire damper body 1, an actuator 4 and an auxiliary controller 5, the top of the fire damper body 1 is connected to a mounting plate 2, and the top of the mounting plate 2 is connected to two groups of hanging rings 3, both sides of the fire damper body 1 are provided with air inlet and outlet connection ports 11, and the air inlet and outlet connection ports 11 are provided with active blades 12 and two groups of driven blades 13, the active blade 12 is located at the center of the air inlet and outlet connection ports 11, and the two groups of driven blades 13 are respectively arranged on the upper and lower sides of the active blade 12, the actuator 4 is connected to one side of the fire damper body 1, and the auxiliary controller 5 is connected to the side of the actuator 4 away from the fire damper body 1, a pull ring 41 is provided below the actuator 4, and a pull rope 411 is connected between the actuator 4 and the pull ring 41;

[0023] The fire damper body 1 is connected to the floor through the mounting plate 2 and the two groups of lifting rings 3 on the top of the mounting plate 2, and the fire damper body 1 is connected to the exhaust pipe through the air inlet and outlet connection ports 11 on both sides thereof. When a fire occurs, the pull ring 41 can be pulled to control the actuator 4 through the pull rope 411 on the top of the pull ring 41, and the fire damper body 1 can be controlled to be closed by controlling the actuator 4 to prevent the fire from spreading. The fire damper body 1 drives the two groups of driven blades 13 to rotate through the active blade 12, and after rotating ninety degrees, the active blade 12 and the two groups of driven blades 13 block the fire damper body 1, and the auxiliary controller 5 is used to assist the actuator 4 in resetting.

[0024] The upper and lower sides of the active blade 12 are connected to the No. 1 sealing baffle 121, the upper and lower sides of the driven blade 13 are connected to the No. 2 sealing baffle 131, and the two groups of No. 1 sealing baffles 121 connected to the active blade 12 are respectively engaged with the No. 2 sealing baffles 131 on the two groups of driven blades 13. The center position of one side of the active blade 12 and the driven blade 13 is connected to a connecting block 14, and the lower part of the connecting block 14 is connected to a connecting chain 15, and the three groups of connecting chains 15 are connected to a transmission rod 16. An active rotating shaft 122 is provided in the active blade 12. A driven rotating shaft 132 is arranged in the moving blade 13, and the active blade 12 is driven to rotate by the actuator 4, and the active rotating shaft 122 drives the active blade 12 to rotate. During the rotation of the active blade 12, the connecting block 14 and the connecting chain 15 connected thereto drive the transmission rod 16 to move, and then the two groups of driven blades 13 are driven to rotate by the transmission rod 16, and after rotating ninety degrees, the two groups of No. 1 sealing baffles 121 connected to the active blade 12 are respectively sealed and engaged with the No. 2 sealing baffles 131 on the two groups of driven blades 13.

[0025] A first slide slot 51 is provided on one side of the auxiliary controller 5, a blade reset lever 42 is provided in the first slide slot 51, one end of the blade reset lever 42 is connected to the actuator 4, and a connecting plate 421 is provided at the connection between the blade reset lever 42 and the actuator 4, a reset motor 53 is connected to the side of the connecting plate 421 close to the auxiliary controller 5, a second slide slot 52 is provided on the side of the auxiliary controller 5 away from the actuator 4, an indicating switch slide slot 431 is provided in the actuator 4, and an indicating switch is provided in the second slide slot 52 and the switch slide slot 431. The auxiliary controller 5 is provided with a reset connection block 54, and a reset lever 55 is provided on one side of the reset connection block 54. The end of the reset lever 55 away from the reset connection block 54 is connected to an indication connection block 551, and the indication connection block 551 is connected to one side of the indication switch 43. A circuit connector 552 is connected to one side of the reset lever 55. The blade reset lever 42 is used to manually reset the blade, and the indication switch 43 is used to manually reset the blade. The closed state of the blades is displayed, and when the indicating switch 43 is at the top, it means that the active blade 12 and the two sets of driven blades 13 are in the closed state, and the reset lever 55 and the reset path switch 56 are in contact with each other, and the reset lever 55 is connected to the circuit through the circuit connector 552, and the auxiliary controller 5 is powered on, and the auxiliary controller 5 can be remotely controlled at this time, and the actuator 4 can be controlled by the auxiliary controller 5, and the reset motor 53 drives the blade reset hand lever 42 and the connecting plate 421 along the first slide groove 5 1 direction, and when the blade reset handle 42 moves to the bottom of the No. 1 slide groove 51, the active blade 12 and the two sets of driven blades 13 are in the unfolded state, and at this time the indicating switch 43 slides in the switch slide groove 431 and the No. 2 slide groove 52, and the indicating switch 43 drives the indicating connecting block 551 connected to it to slide during the sliding process, and then drives the reset lever 55 to rotate with the reset connecting block 54 as the center point through the indicating connecting block 551, and at this time the reset lever 55 is away from the reset path switch 56, and the auxiliary controller 5 is powered off.

[0026] Working principle: When using a fire damper with electric auxiliary reset, first connect the fire damper body 1 to the floor through the mounting plate 2 and the two sets of hanging rings 3 on the top of the mounting plate 2, and connect the fire damper body 1 to the exhaust pipe through the air inlet and outlet connection ports 11 on both sides. When a fire occurs, the pull ring 41 can be pulled to control the actuator 4 through the pull rope 411 on the top of the pull ring 41, and the fire damper body 1 can be controlled to close by controlling the actuator 4 to prevent the fire from spreading. When the smoke temperature reaches 280°C, people have basically been evacuated, and smoke exhaust is meaningless, and the smoke At this time, the air is already carrying fire, and the fire damper body 1 automatically closes. The active blade 12 is driven to rotate by the actuator 4, and the active rotating shaft 122 drives the active blade 12 to rotate. During the rotation of the active blade 12, the connecting block 14 and the connecting chain 15 connected thereto drive the transmission rod 16 to move, and then the transmission rod 16 drives the two groups of driven blades 13 to rotate. After rotating ninety degrees, the two groups of No. 1 sealing baffles 121 connected to the active blade 12 are respectively sealed and embedded with the No. 2 sealing baffles 131 on the two groups of driven blades 13.

[0027] When the indicator switch 43 is at the top, it means that the active blade 12 and the two sets of driven blades 13 are in a closed state, and the reset lever 55 and the reset path switch 56 are in contact with each other, and the reset lever 55 is connected to the circuit through the circuit connector 552, and the auxiliary controller 5 is powered on, and the auxiliary controller 5 can be remotely controlled at this time, and the actuator 4 can be controlled by the auxiliary controller 5, and the reset motor 53 drives the blade reset hand lever 42 and the connecting plate 421 to rotate along the direction of the first slide slot 51, and when the blade is reset When the hand lever 42 moves to the bottom of the No. 1 slide groove 51, the active blade 12 and the two groups of driven blades 13 are in the unfolded state, and at this time the indicating switch 43 slides in the switch slide groove 431 and the No. 2 slide groove 52, and the indicating switch 43 drives the indicating connecting block 551 connected to it to slide during the sliding process, and then drives the reset lever 55 to rotate with the reset connecting block 54 as the center point through the indicating connecting block 551, and at this time the reset lever 55 is away from the reset path switch 56, and the auxiliary controller 5 is powered off to avoid the fire damper being closed due to human intervention.

[0028] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fire damper with electric auxiliary reset, comprising a fire damper body (1), an actuator (4) and an auxiliary controller (5), characterized in that: The top of the fire damper body (1) is connected to a mounting plate (2), and the top of the mounting plate (2) is connected to two groups of hanging rings (3). Inlet and outlet air connection ports (11) are provided on both sides of the fire damper body (1), and an active blade (12) and two groups of driven blades (13) are provided in the inlet and outlet air connection ports (11). The active blade (12) is located at the center of the inlet and outlet air connection ports (11), and the two groups of driven blades (13) are respectively provided on the upper and lower sides of the active blade (12). The actuator (4) is connected to one side of the fire damper body (1), and the auxiliary controller (5) is connected to a side of the actuator (4) away from the fire damper body (1). A pull ring (41) is provided below the actuator (4), and a pull rope (411) is connected between the actuator (4) and the pull ring (41).

2. A fire damper with electric auxiliary reset according to claim 1, characterized in that: The active blade (12) is connected to a first sealing baffle (121) on both upper and lower sides, the driven blade (13) is connected to a second sealing baffle (131) on both upper and lower sides, and the two groups of first sealing baffles (121) connected to the active blade (12) are respectively interlocked with the second sealing baffles (131) on the two groups of driven blades (13).

3. The fire damper with electric auxiliary reset according to claim 1, characterized in that: A connecting block (14) is connected to the center position of one side of the active blade (12) and the driven blade (13), and a connecting chain (15) is connected below the connecting block (14), and three groups of the connecting chains (15) are connected to transmission rods (16). An active rotating shaft (122) is provided in the active blade (12), and a driven rotating shaft (132) is provided in the driven blade (13).

4. The fire damper with electric auxiliary reset according to claim 1, characterized in that: A first slide groove (51) is provided on one side of the auxiliary controller (5), a blade reset handle (42) is provided in the first slide groove (51), one end of the blade reset handle lever (42) is connected to the actuator (4), and a connection disk (421) is provided at the connection between the blade reset handle lever (42) and the actuator (4), and a reset motor (53) is connected to the side of the connection disk (421) close to the auxiliary controller (5).

5. The fire damper with electric auxiliary reset according to claim 1, characterized in that: A second slide groove (52) is provided on a side of the auxiliary controller (5) away from the actuator (4), an indication switch slide groove (431) is provided in the actuator (4), an indication switch (43) is provided in the second slide groove (52) and the switch slide groove (431), and a reset path switch (56) is provided at a position above the top of the switch slide groove (431).

6. The fire damper with electric auxiliary reset according to claim 5, characterized in that: The auxiliary controller (5) is provided with a reset connection block (54), and a reset lever (55) is provided on one side of the reset connection block (54); an end of the reset lever (55) away from the reset connection block (54) is connected to an indication connection block (551), and the indication connection block (551) is connected to one side of the indication switch (43); and a circuit connector (552) is connected to one side of the reset lever (55).

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