CN112523794B - Air door electric control device - Google Patents

Air door electric control device Download PDF

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Publication number
CN112523794B
CN112523794B CN202011388388.9A CN202011388388A CN112523794B CN 112523794 B CN112523794 B CN 112523794B CN 202011388388 A CN202011388388 A CN 202011388388A CN 112523794 B CN112523794 B CN 112523794B
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CN
China
Prior art keywords
air door
door frame
air
pass
screw connection
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Active
Application number
CN202011388388.9A
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Chinese (zh)
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CN112523794A (en
Inventor
苏万里
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Huainan Baibang Pneumatic Technology Co ltd
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Huainan Baibang Pneumatic Technology Co ltd
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Priority to CN202011388388.9A priority Critical patent/CN112523794B/en
Publication of CN112523794A publication Critical patent/CN112523794A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/14Air partitions; Air locks
    • E21F1/145Air locks
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/08Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/16Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention discloses an air door electric control device, which relates to the technical field of air doors and aims to solve the problems that the air doors adopt multiple air channels, the discharged air flows are all ejected by direct current, no corresponding diversion mechanism is used for the air flows, the flow direction of the air flows cannot be regulated, the noise is increased, and the using effect of the air doors is greatly reduced. The inside of air door frame is provided with the baffle, the top and the below of baffle all are provided with the fender flow board, four the both sides of fender flow board all are provided with the connecting axle, the one end of connecting axle extends to the inside of air door frame, one side of air door frame is provided with the safety cover, and the safety cover is provided with two, one side of baffle is provided with the wind portal, the inside of wind portal is provided with the lifting hole, the outside of wind portal is provided with the tooth row, the both ends of tooth row all pass through screw connection with the air door frame, one side of air door frame is provided with the grid net, one side of grid net is provided with the locking bolt.

Description

Air door electric control device
Technical Field
The invention relates to the technical field of air doors, in particular to an air door electric control device.
Background
The automatic control device for the ventilator air door is designed aiming at the condition that the requirements on mechanical automation are higher and higher in the mining industry, has two operation modes of electric operation and local operation, realizes remote control on the air door, has the functions of overtravel protection, electric and manual switching and the like, and greatly improves the safety and the reliability of the device. The electric control device is generally called an electric equipment secondary control loop, and is composed of a plurality of electric elements for realizing control on a certain object or some objects, thereby ensuring the controlled equipment to safely and reliably operate, and the main functions of the electric control device are as follows: automatic control, protection, monitoring and measurement.
At present, the air door used in the mining industry adopts a plurality of air channels, and exhausted air flows are all ejected by direct current when in use, and the air door cannot adjust the flow direction of the air flows due to a corresponding flow guiding mechanism of the air flows, so that noise is increased, the using effect of the air door is greatly reduced, and the using requirement cannot be met. There is a strong need in the marketplace for an electronically controlled damper device that addresses these issues.
Disclosure of Invention
The invention aims to provide an air door electric control device, which aims to solve the problems that in the prior art, a plurality of air channels are adopted in an air door, and discharged air flows are all ejected by direct current during use, a corresponding flow guiding mechanism for the air flows is not provided, the flow direction of the air flows cannot be regulated, noise is increased, and the use effect of the air door is greatly reduced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automatically controlled device of air door, includes the air door frame, the inside of air door frame is provided with the baffle, and the baffle passes through screw connection with the inner wall of air door frame, the top and the below of baffle all are provided with the fender and flow the board, and the fender is provided with four, four the both sides of fender all are provided with the connecting axle, and the connecting axle sets up as an organic whole structure with the fender, the one end of connecting axle extends to the inside of air door frame, and the connecting axle rotates with the air door frame to be connected, one side of air door frame is provided with the safety cover, and the safety cover is provided with two, and the safety cover passes through screw connection with the air door frame, one side of baffle is provided with the wind portal, the inside of wind portal is provided with the lifting hole, the both ends of tooth row all pass through screw connection with the air door frame, one side of air door frame is provided with the grid, one side of grid is provided with the locking bolt, and the one end of locking bolt runs through the grid and extends to the inside of air door frame, locking and air door frame threaded connection.
Preferably, one side of the wind portal is provided with a first stepping motor, the first stepping motor is connected with the wind door frame through a screw, one side of the output end of the first stepping motor is provided with a rotating shaft, the rotating shaft is connected with the output end of the first stepping motor through a coupling, the rotating shaft is rotationally connected with the wind door frame, a gear is arranged in the lifting hole and is connected with the rotating shaft through a screw, and the gear is meshed with the gear row.
Preferably, four the outside of fender flow board all is provided with sealed pad, and sealed pad and fender flow board set up to an organic whole structure, sealed pad is laminated with the inner wall of air door frame mutually, one side of fender flow board is provided with the tachometer, and the tachometer is provided with two, and two tachometers pass through screw connection with air door frame and baffle respectively.
Preferably, one end of the connecting shaft penetrates through the air door frame and extends to the inside of the protective cover, a bearing is arranged at the contact position of the connecting shaft and the air door frame, the bearing is rotationally connected with the connecting shaft, two second stepping motors are arranged in the protective cover and are connected with the air door frame through screws, one side of the output end of each second stepping motor is provided with a driving gear, the driving gears are connected with the output end of each second stepping motor through a coupling, driven gears are arranged above and below the driving gears and are connected with the connecting shaft through screws, and the driving gears are connected with the driven gears in a meshed mode.
Preferably, one side of the air door frame is provided with two air blowers, the two air blowers are connected with the air door frame through screws, one side of the two air blowers is provided with a filter screen, and the filter screen is connected with the air door frame through screws.
Preferably, the inside of lifting hole is provided with spacing spout, and spacing spout sets up on the wind portal, one side of tooth row is provided with the slider, and slider and tooth row set up to an organic whole structure, the one end of slider extends to the inside of spacing spout, and slider and air door frame sliding connection.
Preferably, guide rods are arranged on two sides of the gear row, two ends of each guide rod are connected with the air door frame through screws respectively, guide connecting blocks are arranged on the outer portions of the guide rods, the guide rods penetrate through the guide connecting blocks, the guide rods are connected with the guide connecting blocks in a sliding mode, and the guide connecting blocks are connected with the air door frame through screws.
Preferably, one side of air door frame is provided with the electric cabinet, and the electric cabinet passes through screw connection with the air door frame, one side of electric cabinet is provided with the display screen, the below of display screen is provided with the control keyboard, the below of control keyboard is provided with the radiating groove, and display screen, control keyboard and radiating groove all pass through screw connection with the electric cabinet, the electric cabinet respectively with first step motor, air-blower, tachometer and second step motor electric connection.
Compared with the prior art, the invention has the beneficial effects that:
1. the device provided by the invention has the advantages that through the arrangement of the second stepping motor, the flow blocking plate, the sealing gasket and the velocimeter, the velocimeter can detect the flow direction of the discharged air flow, and the sealing gasket increases the tightness between the flow blocking plate and the air door frame, so that the air flow leakage can be avoided, the use effect of the air door is improved, the flow blocking plate and the air door frame rotate by virtue of the connecting shaft, the second stepping motor is started to drive the driving gear to rotate, the driving gear is meshed with the driven gear and is connected with the connecting shaft into an integral structure, and the flow blocking plate can be indirectly driven to rotate along with the rotation of the driving gear, so that the inclination angle of the flow blocking plate is adjusted, the flow guiding angle of the air flow is changed, and the use requirement is met. The problems that the airflow direction of the airflow can not be regulated and controlled, the use difficulty of the airflow with a specific flow direction is increased, and the use effect of the air door is poor are solved.
2. The device provided by the invention is characterized in that the velocimeter, the first stepping motor, the gear row, the guide rod and the guide connecting block are arranged, the velocimeter can detect the size of the discharged air flow, the first stepping motor is started to drive the gear to rotate, the gear is meshed with the gear row and connected with the air door frame, the gear row and the air door frame can slide, the air door frame can be driven to slide along the gear row in a lifting manner along with the rotation of the gear, so that the height of the air door frame is adjusted, the air duct is indirectly changed, the guide rod and the guide connecting block correspondingly slide when the air door frame slides along with the lifting manner, and therefore, the air door frame sliding in a lifting manner can be limited, and the stability of the air door frame sliding in the lifting manner is improved. The problem of the wind channel that the air door set up have a plurality ofly, the degree of difficulty increases when switching the wind channel in the use, the result of use of air door drops greatly is solved.
3. The device of the invention can control the air door through the arrangement of the electric cabinet, the filter screen and the grid net, realize manual regulation and control by means of the control key board, display the working data of the air door by means of the display screen, facilitate the accurate knowledge of the working state of the air door by workers, filter the flowing gas by the filter screen, and filter and remove dust particles in the gas, thereby improving the purity of the gas, and the grid net can prevent foreign matters from entering the air door frame, thereby indirectly playing a certain protection effect on the air door. The problem of can not be accurate know the operating condition of air door, not timely to the regulation and control of air door is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a diagram showing the connection relationship between the wind gate frame and the tooth row according to the present invention;
FIG. 3 is a cross-sectional view of the damper frame of the present invention;
FIG. 4 is a front view of the present invention;
fig. 5 is an enlarged partial view of the area a of the present invention.
In the figure: 1. a damper frame; 2. an electric control box; 3. a display screen; 4. a control key pad; 5. a heat sink; 6. a flow baffle; 7. a partition plate; 8. a tooth row; 9. a wind door frame; 10. a guide rod; 11. a protective cover; 12. a connecting shaft; 13. a guide connecting block; 14. a first stepping motor; 15. lifting holes; 16. a gear; 17. a rotating shaft; 18. a slide block; 19. limiting sliding grooves; 20. a blower; 21. a filter screen; 22. a velometer; 23. a grid mesh; 24. a locking bolt; 25. a sealing gasket; 26. a bearing; 27. a second stepping motor; 28. a drive gear; 29. a driven gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an embodiment of the present invention is provided: the utility model provides an automatically controlled device of air door, including air door frame 1, air door frame 1's inside is provided with baffle 7, and baffle 7 and air door frame 1's inner wall passes through the screw connection, baffle 7 can cut apart air door frame 1 into two wind channels, baffle 7's top and below all are provided with baffle 6, baffle 6 is provided with four, baffle 6 can block the air current, and carry out the water conservancy diversion to the air current, thereby can adjust the flow direction and the size of air current, four baffle 6's both sides all are provided with connecting axle 12, and connecting axle 12 and baffle 6 set up as an organic whole structure, the one end of connecting axle 12 extends to air door frame 1's inside, and connecting axle 12 and air door frame 1 rotate to be connected, one side of air door frame 1 is provided with safety cover 11, safety cover 11 is provided with two, and safety cover 11 and air door frame 1 pass through the screw connection, one side of baffle 7 is provided with air door frame 9, the inside of air door frame 9 is provided with lifting hole 15, the outside of tooth row 8, and tooth row 8 runs through lifting hole 15, the air door row 8 is convenient for the air door frame 9 when lifting hole 9 carries out the both sides and carries out tooth row 8 and runs through the frame 23 and runs through the grid 23 to the grid that the one side is connected to the grid that the grid is provided with 1, the grid 23, the grid is connected to the grid 1, the grid is provided with one side of the grid 23, and the grid is connected to the grid is 23.
Further, a first stepping motor 14 is arranged on one side of the air door frame 9, the first stepping motor 14 is connected with the air door frame 9 through a screw, a rotating shaft 17 is arranged on one side of the output end of the first stepping motor 14, the rotating shaft 17 is connected with the output end of the first stepping motor 14 through a coupling, the rotating shaft 17 is rotationally connected with the air door frame 9, a gear 16 is arranged in the lifting hole 15, the gear 16 is connected with the rotating shaft 17 through a screw, and the gear 16 is meshed with the gear row 8. The gear 16 is driven to rotate by the first stepping motor 14, the gear 16 is meshed with the gear row 8, and the air door frame 9 can be driven to lift along the gear row 8 when the gear 16 rotates, so that the height of the air door frame 9 is adjusted.
Further, the outside of four fender flow plates 6 all is provided with sealed pad 25, and sealed pad 25 sets up to an organic whole structure with fender flow plate 6, and sealed pad 25 is laminated with the inner wall of air door frame 1 mutually, and one side of fender flow plate 6 is provided with velocimeter 22, and velocimeter 22 is provided with two, and two velocimeter 22 pass through screw connection with air door frame 1 and baffle 7 respectively. The discharged air flow can be detected by the velocimeter 22 so as to judge the flow speed and the flow direction of the air flow, and the sealing gasket 25 can improve the sealing performance between the baffle plate 6 and the air door frame 1 so as to avoid air leakage.
Further, one end of the connecting shaft 12 penetrates through the air door frame 1 and extends to the inside of the protective cover 11, a bearing 26 is arranged at the contact position of the connecting shaft 12 and the air door frame 1, the bearing 26 is rotationally connected with the connecting shaft 12, a second stepping motor 27 is arranged in the two protective covers 11, the second stepping motor 27 is connected with the air door frame 1 through screws, a driving gear 28 is arranged on one side of the output end of the second stepping motor 27, the driving gear 28 is connected with the output end of the second stepping motor 27 through a coupling, driven gears 29 are arranged above and below the driving gear 28, the driven gears 29 are connected with the connecting shaft 12 through screws, and the driving gear 28 is meshed with the driven gears 29. The driving gear 28 is driven to rotate by the second stepping motor 27, the driving gear 28 is meshed with the driven gear 29, and the flow blocking plate 6 is indirectly driven to rotate when the driving gear 28 rotates, so that the flow direction of air flow can be regulated.
Further, one side of the air door frame 9 is provided with an air blower 20, two air blowers 20 are arranged, the air blowers 20 are connected with the air door frame 9 through screws, one side of each air blower 20 is provided with a filter screen 21, and the filter screens 21 are connected with the air door frame 9 through screws. External air can be extracted and pressurized by the blower 20 into the corresponding air duct and flows along the baffle 6, while the filter screen 21 can trap dust in the air flow.
Further, the inside of lifting hole 15 is provided with spacing spout 19, and spacing spout 19 sets up on air door frame 9, and one side of tooth row 8 is provided with slider 18, and slider 18 and tooth row 8 set up to an organic whole structure, and the inside of spacing spout 19 is extended to the one end of slider 18, and slider 18 and wind portal 9 sliding connection. The sliding block 18 and the limiting sliding groove 19 correspondingly slide along with the lifting of the air door frame 9, so that the lifting stability of the air door frame 9 is improved.
Further, guide rods 10 are arranged on two sides of the tooth row 8, two ends of each guide rod 10 are connected with the air door frame 1 through screws respectively, guide connecting blocks 13 are arranged on the outer portion of each guide rod 10, each guide rod 10 penetrates through each guide connecting block 13, each guide rod 10 is in sliding connection with each guide connecting block 13, and each guide connecting block 13 is connected with the air door frame 9 through screws. Corresponding sliding can be sent out with the guide connecting block 13 when the air door frame 9 is lifted through the guide rod 10, so that the two ends of the air door frame 9 are limited, the air door frame 9 is ensured to be in a horizontal state, and the stability of the air door frame 9 is improved.
Further, one side of the air door frame 1 is provided with the electric cabinet 2, and the electric cabinet 2 passes through screw connection with the air door frame 1, and one side of the electric cabinet 2 is provided with the display screen 3, and the below of display screen 3 is provided with control keyboard 4, and the below of control keyboard 4 is provided with heat dissipation groove 5, and display screen 3, control keyboard 4 and heat dissipation groove 5 all pass through screw connection with the electric cabinet 2, and electric cabinet 2 respectively with first step motor 14, air-blower 20, tachometer 22 and second step motor 27 electric connection. The air door is controlled through the electric cabinet 2, so that different use requirements of the air door are met, the heat dissipation groove 5 can conduct and release heat inside the electric cabinet 2, and the display screen 3 can display the working state of the air door.
Working principle: when the air conditioner is used, a corresponding air duct is selected according to the use requirement, the first stepping motor 14 is started to drive the gear 16 to rotate, the gear 16 is meshed with the gear row 8 and connected with the air door frame 9 in a sliding manner, and the air door frame 9 can be driven to lift and slide along the gear row 8 when the gear 16 rotates, so that the air door frame 9 is adjusted to a corresponding required position; the blower 20 is started to extract and pressurize the outside air into the air duct, the air flow is discharged from the air door along the flow baffle 6, the velocimeter 22 can detect the flow speed and the flow direction of the discharged air flow, and the power of the blower 20 is controlled to be adjusted by the detected flow speed; the second stepping motor 27 is controlled by means of the detected flow direction, the second stepping motor 27 drives the driving gear 28 to rotate, the driving gear 28 is meshed with the driven gear 29, the driven gear 29 is connected with the connecting shaft 12 into an integral structure, the connecting shaft 12 is rotationally connected with the air door frame 1, the flow blocking plate 6 can be indirectly driven to rotate along with the rotation of the driving gear 28, and the flow guiding direction of air flow can be changed along with the rotation of the flow blocking plate 6, so that the flow direction of the air flow is regulated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. An air door electric control device, includes air door frame (1), its characterized in that: the inside of air door frame (1) is provided with baffle (7), and baffle (7) and the inner wall of air door frame (1) pass through screw connection, the top and the below of baffle (7) all are provided with fender flow board (6), and fender flow board (6) are provided with four, four the both sides of fender flow board (6) all are provided with connecting axle (12), and connecting axle (12) and fender flow board (6) set up to an organic whole structure, the one end of connecting axle (12) extends to the inside of air door frame (1), and connecting axle (12) and air door frame (1) rotate to be connected, one side of air door frame (1) is provided with safety cover (11), and safety cover (11) and air door frame (1) pass through screw connection, one side of baffle (7) is provided with air door frame (9), the inside of air door frame (9) is provided with lifting hole (15), the outside of air door frame (9) is provided with tooth row (8), and tooth row (8) lifting hole (15), the one end of tooth row (1) is provided with grid (23) through screw connection, one side of air door frame (1) is provided with grid (23), and the one end of locking bolt (24) runs through grid net (23) and extends to the inside of air door frame (1), locking bolt (24) and air door frame (1) threaded connection, one side of air door frame (9) is provided with first step motor (14), and first step motor (14) and air door frame (9) pass through the screw connection, one side of first step motor (14) output is provided with pivot (17), and pivot (17) and the output of first step motor (14) pass through the coupling joint, pivot (17) and air door frame (9) rotate to be connected, the inside of lifting hole (15) is provided with gear (16), and gear (16) and pivot (17) pass through the screw connection, gear (16) and tooth row (8) meshing are connected, one side of air door frame (9) is provided with air-blower (20), and air-blower (20) and air door frame (9) pass through the screw connection, one side of fender flow plate (6) is provided with tachometer (22), and two tachometers (22) and two are provided with tachometers (7) and baffle (1) respectively.
2. The damper electric control device according to claim 1, wherein: the outside of four fender flow board (6) all is provided with sealed pad (25), and sealed pad (25) and fender flow board (6) set up to the integral structure, sealed pad (25) laminating mutually with the inner wall of air door frame (1).
3. The damper electric control device according to claim 1, wherein: one end of connecting axle (12) runs through air door frame (1) and extends to the inside of safety cover (11), connecting axle (12) and air door frame (1) contact department are provided with bearing (26), and bearing (26) are connected with connecting axle (12) rotation, two the inside of safety cover (11) all is provided with second step motor (27), and second step motor (27) and air door frame (1) pass through the screw connection, one side of second step motor (27) output is provided with driving gear (28), and driving gear (28) and the output of second step motor (27) pass through the coupling joint, driving gear (28) top and below all are provided with driven gear (29), and driven gear (29) and connecting axle (12) pass through the screw connection, driving gear (28) and driven gear (29) meshing are connected.
4. The damper electric control device according to claim 1, wherein: one side of each of the two blowers (20) is provided with a filter screen (21), and the filter screens (21) are connected with the air door frame (9) through screws.
5. The damper electric control device according to claim 1, wherein: the inside of lifting hole (15) is provided with spacing spout (19), and spacing spout (19) set up on air door frame (9), one side of tooth row (8) is provided with slider (18), and slider (18) and tooth row (8) set up to an organic whole structure, the inside of spacing spout (19) is extended to one end of slider (18), and slider (18) and air door frame (9) sliding connection.
6. The damper electric control device according to claim 1, wherein: both sides of tooth row (8) all are provided with guide bar (10), and the both ends of guide bar (10) pass through screw connection with air door frame (1) respectively, the outside of guide bar (10) is provided with direction connecting block (13), and guide bar (10) run through direction connecting block (13), guide bar (10) and direction connecting block (13) sliding connection, and direction connecting block (13) pass through screw connection with air door frame (9).
7. A damper electric control device as set forth in claim 3 wherein: one side of air door frame (1) is provided with electric cabinet (2), and electric cabinet (2) pass through screw connection with air door frame (1), one side of electric cabinet (2) is provided with display screen (3), the below of display screen (3) is provided with control keyboard (4), the below of control keyboard (4) is provided with heat dissipation groove (5), and display screen (3), control keyboard (4) and heat dissipation groove (5) all pass through screw connection with electric cabinet (2), electric cabinet (2) respectively with first step motor (14), air-blower (20), speedometer (22) and second step motor (27) electric connection.
CN202011388388.9A 2020-12-01 2020-12-01 Air door electric control device Active CN112523794B (en)

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Application Number Priority Date Filing Date Title
CN202011388388.9A CN112523794B (en) 2020-12-01 2020-12-01 Air door electric control device

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Application Number Priority Date Filing Date Title
CN202011388388.9A CN112523794B (en) 2020-12-01 2020-12-01 Air door electric control device

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CN112523794B true CN112523794B (en) 2023-11-28

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CN104764132A (en) * 2015-03-08 2015-07-08 中南林业科技大学 Intelligent and safe bathroom ventilating control system
CN111396113A (en) * 2020-04-14 2020-07-10 诺文科风机(北京)有限公司 Mining air door
CN211575169U (en) * 2019-12-12 2020-09-25 江苏祥荣机械制造有限公司 Double baffle air door
CN111878148A (en) * 2020-08-12 2020-11-03 诺文科风机(北京)有限公司 Gate plate type air door for main ventilation system of coal mine
CN211967235U (en) * 2020-04-01 2020-11-20 南京杰森光电科技有限公司 Detection table for lens processing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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