Electric analog quantity adjusting fire damper executing mechanism

Abstract

The invention discloses an electric analog quantity adjusting fire damper executing mechanism, and belongs to the technical field of fire dampers.The electric analog quantity adjusting fire damper executing mechanism comprises a valve body, a top shell is fixedly mounted at the top of the valve body, an actuator is fixedly mounted at the top of the top shell, and mounting side plates are fixedly mounted on the outer walls of the two sides of the valve body; a plurality of air holes are formed in the lower surface of the valve body; according to the fireproof valve, the actuator, the first fireproof mechanism and the second fireproof mechanism are arranged, continuous adjustment of the first fireproof mechanism and the second fireproof mechanism can be achieved through analog control signals of a BA system, accurate control over the flow in a pipeline is achieved, and temperature sensors are arranged on the mechanisms, so that the fireproof valve is more convenient to use. When a fire disaster happens, the temperature in the pipeline reaches the preset temperature, the temperature sensor can detect high-temperature data, the actuator can control the first fireproof mechanism and the second fireproof mechanism to be automatically closed, automatic control over the fireproof valve is achieved, and the application effect and the intelligent degree of the fireproof valve are greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of fire dampers, and in particular relates to a fire damper actuator for electric analog quantity regulation. Background Art

[0002] At present, with the continuous increase of various new buildings, the ventilation ducts of the building's ventilation and air-conditioning system or the pipes of the mechanical smoke exhaust system need to be equipped with a large number of fire dampers. The fire damper is a temperature-controlled valve of a memory molten alloy, which uses gravity, spring mechanism or deformation of memory alloy to close. According to different functions and uses, fire dampers can be divided into smoke exhaust valves, smoke exhaust fire dampers and other types. These valves are usually installed in ventilation ducts or smoke exhaust ducts to quickly respond and close the ducts when a fire occurs to prevent the spread of fire and smoke.

[0003] A Chinese patent (CN111089177B) discloses a fire damper, including a valve body, which is a part of a ventilation channel. A plurality of parallel blade shafts are fixed in the valve body, each blade shaft is fixed with a blade. When the blades are parallel, it is in a ventilation state, and when the blades are overlapped in sequence, it is in a sealing state. One end of a sealing strip is fixed at the overlap of the blades, and the other end of the sealing strip extends away from the blades to form a free end. The sealing strip is a metal foil. When two blades overlap, the free end of the sealing strip flips toward its fixed end, and there is a certain distance between the free end and the fixed end. Compared with the prior art, the overlapping part of the blades of this structure is provided with a sealing sheet made of metal foil. When it needs to be closed, the free end is flipped toward the fixed end by air pressure and pressed against the other blade, so that the sealing is completed. The sealing effect is good and the metal can withstand relatively high temperatures. At present, the actuators on most fire dampers in the industry are only used as normally open components. When a fire occurs, the temperature rod inside the mechanism is melted, and the mechanism turntable is disengaged from the slot to close the fire damper valve plate under the action of the torsion spring. The actuator cannot continuously adjust the fire damper valve plate. If the air flow in the pipeline needs to be adjusted, an additional air volume regulating valve system needs to be added to the pipeline. This will increase the cost of the valve body and increase the ventilation resistance in the pipeline. The actual application effect is not good. In order to solve the above problems, there is an urgent need for a fire damper actuator with electric analog quantity adjustment. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the actuators on most fire dampers in the industry today are only used as normally open components. When a fire occurs, the internal temperature rod of the mechanism is melted, the mechanism turntable disengages from the slot, and the fire damper valve plate is closed under the action of the torsion spring. The actuator cannot continuously adjust the fire damper valve plate. If the air flow in the pipeline needs to be adjusted, an additional air volume regulating valve system needs to be added to the pipeline. This will increase the cost of the valve body and the ventilation resistance in the pipeline, resulting in poor actual application effect. A fire damper actuator with electric analog quantity adjustment is proposed.

[0005] In order to achieve the above-mentioned object, the present invention adopts the following technical scheme: an electric analog quantity regulated fire damper actuator, comprising a valve body, a top shell is fixedly installed on the top of the valve body, an actuator is fixedly installed on the top of the top shell, mounting side plates are fixedly installed on both side outer walls of the valve body, and a plurality of air holes are arranged on the lower surface of the valve body; An adjusting motor is arranged inside the actuator, and a first fire protection mechanism is arranged at one end of the output shaft of the adjusting motor. An air guide assembly and a second fire protection mechanism are rotatably installed in the top shell cavity of the valve body. The first fire protection mechanism and the second fire protection mechanism are used for blocking smoke and fire.

[0006] By adopting the above scheme, by providing an actuator, a first fire protection mechanism and a second fire protection mechanism, the fire damper actuator can be controlled by an analog control signal of the BA system to achieve continuous adjustment of the first fire protection mechanism and the second fire protection mechanism, thereby achieving precise control of the flow rate in the pipeline, and a temperature sensor is provided on the mechanism. When a fire occurs and the temperature in the pipeline reaches a preset temperature, the temperature sensor can detect high temperature data, and the actuator can control the first fire protection mechanism and the second fire protection mechanism to automatically close, thereby achieving automatic control of the fire damper, thereby greatly improving the application effect and intelligence of the mechanism.

[0007] As a further description of the above technical solution: The first fire protection mechanism includes a mounting shaft, a driving pulley and a driving gear are fixedly mounted on the outside of the mounting shaft, a fire protection damper plate is fixedly mounted on the bottom end of the mounting shaft, a plurality of oblique wind grooves are arranged on the outside of the fire protection damper plate, and an airflow spoiler assembly is fixedly mounted on the inside of the oblique wind groove.

[0008] As a further description of the above technical solution: The airflow spoiler components are four and arranged in parallel with each other. The airflow spoiler components include a mounting shaft seat, which is fixedly installed inside the oblique wind slot. A rotating hole is arranged inside the mounting shaft seat, and a spoiler shaft is rotatably installed in the rotating hole.

[0009] As a further description of the above technical solution: A spoiler blade is fixedly mounted on the outer surface of the spoiler shaft, and the spoiler blade is located at the inner side of the oblique wind slot.

[0010] As a further description of the above technical solution: A mounting top groove is arranged on the top surface of the fire damper plate, a cleaning assembly is arranged inside the mounting top groove, and the cleaning assembly comprises an internal spring, and the internal spring is fixedly installed inside the mounting top groove.

[0011] As a further description of the above technical solution: A cleaning pad is fixedly mounted on one end of the built-in spring. The cleaning pad is slidably connected to the mounting top groove, and the outer surface of the cleaning pad is in close contact with the outer surface of the top shell.

[0012] As a further description of the above technical solution: The air guide assembly includes an air guide shaft, which is rotatably mounted in a rotating hole provided on the inner wall of the bottom surface of the top shell. A driven pulley and oblique blades are fixedly mounted on the outside of the air guide shaft, and the driving pulley and the driven pulley are connected by a transmission belt.

[0013] Furthermore, by matching the air guide component and the airflow spoiler component, when the actuator controls the first fire protection mechanism and the second fire protection mechanism to perform free adjustment, the driving pulley can rotate, and the driven pulley is driven to rotate by the transmission belt, the oblique blades can rotate synchronously, the oblique blades perform spoiler, and the airflow can be discharged through the air holes. At the same time, when the first fire protection mechanism and the second fire protection mechanism are deflected, the airflow can flow quickly through the oblique wind slots, and the spoiler blades can be driven to rotate, thereby further improving the flow rate and flow effect of the airflow in the valve body, and further improving the actual application effect of the structure.

[0014] As a further description of the above technical solution: A built-in guide rail is fixedly installed in the top shell cavity of the valve body, a movable rack is slidably installed on the built-in guide rail, a puncture needle is fixedly installed at one end of the movable rack, a high-pressure airbag is fixedly installed on the inner wall of the valve body, and the interior of the high-pressure airbag is filled with high-pressure carbon dioxide gas and fire extinguishing powder particles.

[0015] Furthermore, by arranging a high-pressure airbag and a movable rack inside, when the first fire protection mechanism and the second fire protection mechanism are controlled to be closed, the installation shaft can drive the driving gear to rotate, and when the driving gear rotates, it can drive the movable rack to move sideways, and the puncture needle can move sideways synchronously. When the first fire protection mechanism and the second fire protection mechanism control the valve body to be completely closed, the puncture needle moves sideways to pierce the high-pressure airbag. The high-pressure airbag bursts after being pierced, and the high-pressure carbon dioxide gas and fire extinguishing powder particles inside it can be brought out and finally exported through the multiple air holes of the valve body, so as to stably extinguish and control the flame in the surrounding environment of the valve body 4. Through this design, when the actuator controls the first fire protection mechanism and the second fire protection mechanism to be automatically closed, the fire extinguishing gas and powder can be automatically exported, thereby improving the fire control of the surrounding environment of the valve body, avoiding the rapid spread of fire, creating a lot of time for the fire extinguishing, and improving the application effect of the mechanism.

[0016] As a further description of the above technical solution: One end of the puncture needle is located on one side of the high-pressure airbag, the driving gear and the moving rack are meshed and connected with each other, and the volume specifications of the first fire protection mechanism and the second fire protection mechanism are consistent.

[0017] As a further description of the above technical solution: A signal receiver and a single-chip microcomputer are arranged inside the actuator, and a plurality of temperature sensors are arranged in the shell cavity of the valve body. The actuator receives 0(2)-10VDC or 0(4)-20mA analog control instructions of the BA system. The actuator realizes continuous adjustment so that the first fire protection mechanism and the second fire protection mechanism are in different positions. The actuator sends out analog signals and opening and closing signals of the first fire protection mechanism and the second fire protection mechanism.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In the present invention, by providing an actuator, a first fire protection mechanism and a second fire protection mechanism, the fire damper actuator can realize continuous adjustment of the first fire protection mechanism and the second fire protection mechanism through the analog control signal of the BA system, and realize accurate control of the flow in the pipeline. In addition, a temperature sensor is provided on the mechanism. When a fire occurs, when the temperature in the pipeline reaches a preset temperature, the temperature sensor can detect high temperature data, and the actuator can control the first fire protection mechanism and the second fire protection mechanism to automatically close, thereby realizing automatic control of the fire damper, which greatly improves the application effect and intelligence of the mechanism.

[0019] 2. In the present invention, by arranging a high-pressure airbag and a movable rack inside, when the first fire prevention mechanism and the second fire prevention mechanism are controlled to be closed, the installation shaft can drive the driving gear to rotate, and when the driving gear rotates, it can drive the movable rack to move sideways, and the puncture needle can move sideways synchronously. When the first fire prevention mechanism and the second fire prevention mechanism control the valve body to be completely closed, the puncture needle moves sideways to pierce the high-pressure airbag. The high-pressure airbag bursts after being pierced, and the high-pressure carbon dioxide gas and fire extinguishing powder particles inside it can be brought out and finally exported through the multiple air holes of the valve body, so as to stably extinguish and control the flame in the surrounding environment of the valve body 4. Through this design, when the actuator controls the first fire prevention mechanism and the second fire prevention mechanism to be automatically closed, the fire extinguishing gas and powder can be automatically exported, thereby improving the fire control of the surrounding environment of the valve body, avoiding the rapid spread of fire, creating a lot of time for the fire extinguishing, and improving the application effect of the mechanism.

[0020] 3. In the present invention, by matching the wind guide component and the airflow spoiler component, when the actuator controls the first fire protection mechanism and the second fire protection mechanism to perform free adjustment, the driving pulley can rotate, and the driven pulley is driven to rotate by the transmission belt, the oblique blades can rotate synchronously, the oblique blades perform spoiler, and the airflow can be discharged through the air holes. At the same time, when the first fire protection mechanism and the second fire protection mechanism are deflected, the airflow can flow quickly through the oblique wind slots, and the spoiler blades can be driven to rotate, thereby further improving the flow rate and flow effect of the airflow in the valve body, and further improving the practical application effect of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The figure is a three-dimensional structural diagram of a fire damper actuator with electric analog quantity adjustment.

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of a fire damper actuator with electric analog quantity adjustment from another angle.

[0023] Figure 3 The diagram is a schematic diagram of the explosion three-dimensional structure of a fire damper actuator with electric analog quantity regulation.

[0024] Figure 4 The present invention is a schematic diagram of the combined three-dimensional structure of a fire protection mechanism and an air guide component in a fire damper actuator with electric analog quantity adjustment.

[0025] Figure 5 The diagram is a schematic diagram of the explosion three-dimensional structure of a fire prevention mechanism and an actuator in a fire damper actuator with electric analog quantity regulation.

[0026] Figure 6 It is a schematic diagram of the exploded three-dimensional structure of the fire protection mechanism and the moving rack in an electric analog quantity regulated fire damper actuator.

[0027] Figure 7 The diagram is a schematic diagram of the explosion three-dimensional structure of a fire protection mechanism in a fire damper actuator with electric analog quantity regulation.

[0028] Figure 8 The present invention is a three-dimensional structural schematic diagram of an airflow spoiler component in a fire damper actuator with electric analog quantity regulation.

[0029] Fig. 9 The present invention is a three-dimensional structural schematic diagram of a cleaning component in a fire damper actuator with electric analog quantity regulation.

[0030] Fig.10 The present invention is a three-dimensional structural schematic diagram of an air guide component in a fire damper actuator with electric analog quantity regulation.

[0031] Legend: 1. Actuator; 2. Top shell; 3. Mounting side panel; 4. Valve body; 5. Air hole; 6. First fire prevention mechanism; 61. Transmission belt; 62. Driving pulley; 63. Mounting shaft; 64. Driving gear; 65. Fire prevention valve plate; 66. Cleaning assembly; 661. Cleaning pad; 662. Built-in spring; 67. Mounting top groove; 68. Oblique wind groove; 69. Air flow spoiler assembly; 691. Spoiler shaft; 692. Mounting shaft seat; 693. Spoiler blade; 7. Built-in guide rail; 8. High-pressure airbag; 9. Air guide assembly; 91. Air guide shaft; 92. Driven pulley; 93. Oblique blade; 10. Moving rack; 11. Puncture needle; 12. Second fire prevention mechanism. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 10 The present invention provides a technical solution: an electric analog quantity regulated fire damper actuator, comprising a valve body 4, a top shell 2 is fixedly mounted on the top of the valve body 4, an actuator 1 is fixedly mounted on the top of the top shell 2, mounting side plates 3 are fixedly mounted on both side outer walls of the valve body 4, and a plurality of air holes 5 are arranged on the lower surface of the valve body 4; An adjusting motor is arranged inside the actuator 1, and a first fire protection mechanism 6 is arranged at one end of the output shaft of the adjusting motor. An air guide assembly 9 and a second fire protection mechanism 12 are rotatably installed in the top shell cavity of the valve body 4. The first fire protection mechanism 6 and the second fire protection mechanism 12 are used to block smoke and fire.

[0034] The actuator 1 is provided with a signal receiver and a single chip microcomputer inside, and a plurality of temperature sensors are provided in the shell cavity of the valve body 4. The actuator 1 receives 0(2)-10VDC or 0(4)-20mA analog control instructions of the BA system, and the actuator 1 realizes continuous adjustment so that the first fire protection mechanism 6 and the second fire protection mechanism 12 are in different positions. The actuator 1 sends out analog signals and opening and closing signals of the first fire protection mechanism 6 and the second fire protection mechanism 12.

[0035] By providing the actuator 1, the first fire protection mechanism 6 and the second fire protection mechanism 12, the fire damper actuator can realize continuous adjustment of the first fire protection mechanism 6 and the second fire protection mechanism 12 through the analog control signal of the BA system, and realize precise control of the flow in the pipeline. A temperature sensor is provided on the mechanism. When a fire occurs and the temperature in the pipeline reaches a preset temperature, the temperature sensor can detect high temperature data, and the actuator 1 can control the first fire protection mechanism 6 and the second fire protection mechanism 12 to automatically close, thereby realizing automatic control of the fire damper, which greatly improves the application effect and intelligence of the mechanism.

[0036] The first fire protection mechanism 6 includes a mounting shaft 63, a driving pulley 62 and a driving gear 64 are fixedly mounted on the outside of the mounting shaft 63, a fire protection damper plate 65 is fixedly mounted on the bottom end of the mounting shaft 63, a plurality of oblique wind grooves 68 are arranged on the outside of the fire protection damper plate 65, and an airflow spoiler assembly 69 is fixedly mounted on the inside of the oblique wind groove 68.

[0037] The four airflow spoiler components 69 are arranged parallel to each other, and the airflow spoiler components 69 include a mounting shaft seat 692, and the mounting shaft seat 692 is fixedly installed inside the oblique wind groove 68. A rotating hole is provided inside the mounting shaft seat 692, and a spoiler shaft 691 is rotatably installed in the rotating hole. A spoiler blade 693 is fixedly installed on the outer surface of the spoiler shaft 691, and the spoiler blade 693 is located on the inner side of the oblique wind groove 68.

[0038] A mounting top groove 67 is arranged on the top surface of the fire damper plate 65, and a cleaning assembly 66 is arranged inside the mounting top groove 67. The cleaning assembly 66 includes an internal spring 662, and the internal spring 662 is fixedly installed inside the mounting top groove 67. A cleaning pad 661 is fixedly installed at one end of the internal spring 662. The cleaning pad 661 is slidably connected to the mounting top groove 67, and the outer surface of the cleaning pad 661 is in close contact with the outer surface of the top shell 2.

[0039] A built-in guide rail 7 is fixedly installed in the top shell cavity of the valve body 4, and a movable rack 10 is slidably installed on the built-in guide rail 7. A puncture needle 11 is fixedly installed at one end of the movable rack 10. A high-pressure airbag 8 is fixedly installed on the inner wall of the valve body 4. The interior of the high-pressure airbag 8 is filled with high-pressure carbon dioxide gas and fire extinguishing powder particles. One end of the puncture needle 11 is located on one side of the high-pressure airbag 8. The driving gear 64 and the movable rack 10 are meshed and connected with each other, and the volume specifications of the first fire protection mechanism 6 and the second fire protection mechanism 12 are consistent.

[0040] The specific implementation method is as follows: when the first fire protection mechanism 6 and the second fire protection mechanism 12 are controlled to be closed, the installation shaft 63 can drive the driving gear 64 to rotate. When the driving gear 64 rotates, it can drive the movable rack 10 to move sideways, and the puncture needle 11 can move sideways synchronously. When the first fire protection mechanism 6 and the second fire protection mechanism 12 control the valve body 4 to be completely closed, the puncture needle 11 moves sideways to pierce the high-pressure airbag 8. The high-pressure airbag 8 explodes after being pierced, and the high-pressure carbon dioxide gas and fire extinguishing powder particles inside it can be brought out and finally discharged through the multiple air holes 5 of the valve body 4, so as to stably extinguish and control the flame in the surrounding environment of the valve body 4.

[0041] Through this design, when the actuator 1 controls the first fire protection mechanism 6 and the second fire protection mechanism 12 to automatically close, the fire extinguishing gas and powder can be automatically discharged, thereby improving the fire control of the environment around the valve body, avoiding the rapid spread of fire, creating a lot of time for the fire extinguishing, and improving the application effect of the mechanism.

[0042] The air guide assembly 9 includes an air guide shaft 91, which is rotatably mounted in a rotating hole provided on the inner wall of the bottom surface of the top shell 2, and a driven pulley 92 and an inclined blade 93 are fixedly mounted on the outside of the air guide shaft 91, and the driving pulley 62 and the driven pulley 92 are connected by a transmission belt 61.

[0043] The specific implementation method is as follows: when the actuator 1 controls the first fire protection mechanism 6 and the second fire protection mechanism 12 to perform free adjustment, the driving pulley 62 can rotate, and the driven pulley 92 is driven to rotate through the transmission belt 61, and the oblique blades 93 can rotate synchronously. The oblique blades 93 perform turbulence, and the airflow can be discharged through the air holes 5. At the same time, when the first fire protection mechanism 6 and the second fire protection mechanism 12 are deflected, the airflow can flow quickly through the oblique wind grooves 68, and the turbulence blades 693 can be driven to rotate, thereby further improving the flow rate and flow effect of the airflow in the valve body 4, and further improving the actual application effect of the structure.

[0044] In this embodiment, the protection level of the actuator 1 shell reaches IP54; the actuator 1 is controlled by an analog signal, and 0(2)-10VDC or 0(4)-20mA analog control can be selected; the temperature sensor can set 70°C or 280°C temperature to control the actuator action; the actuator 1 outputs an open or closed position feedback signal and a 0(2)-10VDC or 0(4)-20mA analog position feedback signal.

[0045] Working principle: The actuator 1, the first fire prevention mechanism 6 and the second fire prevention mechanism 12 can realize the fire damper actuator through the analog control signal of the BA system, realize the continuous adjustment of the first fire prevention mechanism 6 and the second fire prevention mechanism 12, realize the precise control of the flow in the pipeline, and a temperature sensor is arranged on the mechanism. When a fire occurs, when the temperature in the pipeline reaches the preset temperature, the temperature sensor can detect the high temperature data, and the actuator 1 can control the first fire prevention mechanism 6 and the second fire prevention mechanism 12 to automatically close, thereby realizing the automatic control of the fire damper; When the first fire prevention mechanism 6 and the second fire prevention mechanism 12 are controlled to be closed, the mounting shaft 63 can drive the driving gear 64 to rotate. When the driving gear 64 rotates, it can drive the movable rack 10 to move sideways, and the puncture needle 11 can move sideways synchronously. When the first fire prevention mechanism 6 and the second fire prevention mechanism 12 control the valve body 4 to be completely closed, the puncture needle 11 moves sideways to pierce the high-pressure airbag 8. The high-pressure airbag 8 explodes after being pierced, and the high-pressure carbon dioxide gas and fire-extinguishing powder particles inside it can be taken out and finally exported through the multiple air holes 5 of the valve body 4, so as to stably extinguish and control the flame in the environment around the valve body 4; When the actuator 1 controls the first fire protection mechanism 6 and the second fire protection mechanism 12 to adjust freely, the driving pulley 62 can rotate, and the driven pulley 92 can be driven to rotate through the transmission belt 61, and the oblique blades 93 can rotate synchronously. The oblique blades 93 perform turbulence, and the airflow can be discharged through the air holes 5. At the same time, when the first fire protection mechanism 6 and the second fire protection mechanism 12 are deflected, the airflow can flow quickly through the oblique wind grooves 68, and the turbulence blades 693 can be driven to rotate, thereby further improving the flow rate and flow effect of the airflow in the valve body 4.

[0046] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric analog quantity regulated fire damper actuator, comprising a valve body (4), characterized in that: A top shell (2) is fixedly mounted on the top of the valve body (4), an actuator (1) is fixedly mounted on the top of the top shell (2), mounting side plates (3) are fixedly mounted on both side outer walls of the valve body (4), and a plurality of air holes (5) are provided on the lower surface of the valve body (4); The actuator (1) is provided with an adjusting motor inside, and a first fire protection mechanism (6) is provided at one end of the output shaft of the adjusting motor. An air guide assembly (9) and a second fire protection mechanism (12) are rotatably mounted in the top shell cavity of the valve body (4). The first fire protection mechanism (6) and the second fire protection mechanism (12) are used to block smoke and fire.

2. The fire damper actuator with electric analog quantity adjustment according to claim 1 is characterized in that: The first fire protection mechanism (6) comprises a mounting shaft (63), a driving pulley (62) and a driving gear (64) are fixedly mounted on the outside of the mounting shaft (63), a fire protection damper plate (65) is fixedly mounted on the bottom end of the mounting shaft (63), a plurality of oblique air slots (68) are arranged on the outside of the fire protection damper plate (65), and an airflow spoiler assembly (69) is fixedly mounted on the inside of the oblique air slot (68).

3. The fire damper actuator with electric analog quantity adjustment according to claim 2 is characterized in that: Four of the airflow spoiler components (69) are arranged in parallel with each other, and the airflow spoiler components (69) include a mounting shaft seat (692), the mounting shaft seat (692) being fixedly mounted inside the oblique wind slot (68), and a rotating hole is arranged inside the mounting shaft seat (692), and a spoiler shaft (691) is rotatably mounted in the rotating hole.

4. The fire damper actuator with electric analog quantity adjustment according to claim 3 is characterized in that: A spoiler blade (693) is fixedly mounted on the outer surface of the spoiler shaft (691), and the spoiler blade (693) is located on the inner side of the oblique wind slot (68).

5. The fire damper actuator with electric analog quantity adjustment according to claim 4 is characterized in that: A mounting top groove (67) is provided on the top surface of the fire damper plate (65), a cleaning assembly (66) is provided inside the mounting top groove (67), and the cleaning assembly (66) comprises an internal spring (662), and the internal spring (662) is fixedly mounted inside the mounting top groove (67).

6. The fire damper actuator with electric analog quantity adjustment according to claim 5, characterized in that: A cleaning pad (661) is fixedly mounted on one end of the built-in spring (662); the cleaning pad (661) is slidably connected to the mounting top groove (67); and the outer surface of the cleaning pad (661) is in close contact with the outer surface of the top shell (2).

7. The fire damper actuator with electric analog quantity adjustment according to claim 6, characterized in that: The wind guide assembly (9) comprises a wind guide shaft (91), the wind guide shaft (91) being rotatably mounted in a rotating hole provided on the inner wall of the bottom surface of the top shell (2), a driven pulley (92) and an inclined blade (93) being fixedly mounted on the outside of the wind guide shaft (91), and the driving pulley (62) and the driven pulley (92) being connected via a transmission belt (61).

8. The fire damper actuator with electric analog quantity adjustment according to claim 7, characterized in that: A built-in guide rail (7) is fixedly installed in the top shell cavity of the valve body (4), a movable rack (10) is slidably installed on the built-in guide rail (7), a puncture needle (11) is fixedly installed at one end of the movable rack (10), and a high-pressure air bag (8) is fixedly installed on the inner wall of the valve body (4), and the interior of the high-pressure air bag (8) is filled with high-pressure carbon dioxide gas and fire extinguishing powder particles.

9. The fire damper actuator with electric analog quantity adjustment according to claim 8, characterized in that: One end of the puncture needle (11) is located on one side of the high-pressure airbag (8), the driving gear (64) and the movable rack (10) are meshed and connected with each other, and the first fire protection mechanism (6) and the second fire protection mechanism (12) have the same volume specifications.

10. The fire damper actuator with electric analog quantity adjustment according to claim 9, characterized in that: The actuator (1) is provided with a signal receiver and a single chip microcomputer inside, and a plurality of temperature sensors are provided in the shell cavity of the valve body (4). The actuator (1) receives 0(2)-10VDC or 0(4)-20mA analog control instructions of the BA system, and the actuator (1) realizes continuous adjustment so that the first fire protection mechanism (6) and the second fire protection mechanism (12) are in different positions. The actuator (1) sends out analog signals and opening and closing signals of the first fire protection mechanism (6) and the second fire protection mechanism (12).

Images