A controllable ventilation device for civil air defense projects

Abstract

The present invention discloses an adjustable ventilation device for civil air defense projects, which relates to the technical field of ventilation equipment and includes two ventilation ducts, wherein the ends of the two ventilation ducts close to each other are fixedly connected to a fixed shell, and the top of the fixed shell is fixedly connected to a drive motor. The present invention sets a cleaning mechanism, and the drive motor drives the drive shaft, the conveyor belt and the two rotating rollers to rotate. The rotation of the conveyor belt drives the two sets of T-shaped clips and the sliding filter to rotate, so that the sliding column slides on the upper track and the lower track. When the sliding filter that needs to be cleaned moves to the recessed section of the upper track and the lower track, the upper track squeezes the sliding column to drive the sliding filter to move downward until the sliding filter can enter the cleaning liquid, thereby realizing automatic cleaning of the sliding filter with dust attached, and the sliding filter that needs to be cleaned can be kept away from the vent, maintaining single-layer filtration ventilation, so that the ventilation effect is not affected when cleaning the sliding filter.

Description

Technical Field

[0001] The present invention relates to the technical field of ventilation equipment, and in particular to an adjustable ventilation equipment used in civil air defense projects. Background Art

[0002] Civil air defense projects usually include basements, tunnels and other underground structures, and ventilation equipment is a vital component because they ensure the circulation of air and the maintenance of air quality, thereby protecting the living environment of personnel in enclosed spaces.

[0003] The Chinese patent with announcement number CN118224689B discloses a ventilation equipment for civil air defense projects, including an air duct and a blower. The exhaust end of the air duct is provided with a channel with upper and lower mirror distribution. The channel of the air duct is provided with a filter and a push component from back to front. A dirt removal component is provided between the filter and the push component and is located on the left and right outer walls of the air duct. A guide plate for switching the air flow path is provided between the blower and the filter. The upper and lower outer walls of the air duct are provided with a waste removal component with a mirror distribution and capable of being connected to the local channel between the filter and the guide plate.

[0004] Based on the above search and combined with the existing technology, it was found that: at present, in order to facilitate the cleaning of the filter screen of the civil air defense ventilation duct, the filter screen is installed on a conveyor belt. When the filter screen located in the air inlet direction needs to be cleaned, the conveyor belt is started to rotate, and the filter screen to be replaced is interchanged with the filter screen in the air inlet direction. The filter screen located in the air inlet direction is cleaned during the rotation process. This method causes the ventilation duct to have two layers of filter screens, which in turn affects the ventilation effect of the ventilation duct. At the same time, the filter screen to be replaced will also accumulate dust. Summary of the Invention

[0005] The purpose of the present invention is to provide an adjustable ventilation device for civil air defense projects to solve the problems raised in the above background technology.

[0006] The technical solution of the present invention is: an adjustable ventilation device for civil air defense engineering, comprising two ventilation ducts, wherein the two ventilation ducts are fixedly connected to a fixed shell at one end close to each other, a drive motor is fixedly connected to the top of the fixed shell, and a controller is fixedly connected to the fixed shell, and further comprising:

[0007] a cleaning mechanism, the cleaning mechanism being located on the fixed shell;

[0008] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0009] Preferably, the output end of the driving motor is fixedly connected to a driving shaft, and the bottom end of the driving shaft is fixedly connected to the top end of one of the rotating rollers.

[0010] Preferably, a plurality of the sliding filter screens are fixedly connected with T-shaped scrapers, and the T-shaped scrapers on one group are in contact with the T-shaped clips.

[0011] Preferably, an ultrasonic oscillator is fixedly connected to the inner wall of the fixed shell, and the controller is electrically connected to the ultrasonic oscillator and the driving motor respectively.

[0012] Preferably, a group of protrusions are fixedly connected to the recessed section of the lower track, and a group of tooth grooves are fixedly connected to the oblique sides of the recessed section of the lower track.

[0013] Preferably, the sensing unit includes a groove opened on the lower track, a movable bar is slidably connected in the groove, the sliding columns on one group are in contact with the top of the movable bar, a pressure sensor is fixedly connected to the bottom inner wall of the groove, and the pressure sensor and the side of the movable bar close to each other are commonly fixedly connected with multiple connecting springs.

[0014] Preferably, the pressure sensor and the controller are electrically connected.

[0015] Preferably, the reciprocating unit includes a U-shaped sliding rod slidably connected to the fixed shell, one end of the U-shaped sliding rod is fixedly connected to a connecting block, one end of the connecting block is fixedly connected to a sponge brush, the connecting block and the sponge brush are both located in the fixed shell, the other end of the U-shaped sliding rod is fixedly connected to a strip block, a cam is fixedly connected to the drive shaft, and the cam is in contact with the strip block.

[0016] Preferably, a mounting block is slidably sleeved on the U-shaped slide rod, and the mounting block is fixedly connected to the top of the fixed shell. A return spring is sleeved on the U-shaped slide rod, and the two ends of the return spring are respectively fixedly connected to the mounting block and the strip block.

[0017] The present invention provides an adjustable ventilation device for civil air defense projects through improvement, which has the following improvements and advantages compared with the prior art:

[0018] First, the present invention sets a cleaning mechanism, and the driving motor drives the driving shaft to rotate, and the driving shaft rotates through the conveyor belt and two rotating rollers. The conveyor belt drives the two groups of T-shaped clips, the sliding filter, the T-shaped scraper and the sliding column to rotate, so that the positions of the two groups of sliding filters are interchanged, and the sliding column slides on the upper rail and the lower rail. When the sliding filter that needs to be cleaned moves to the recessed section of the upper rail and the lower rail, the upper rail squeezes the sliding column to move downward, and the movement of the sliding column drives the sliding filter to move downward. When the sliding column moves to the bottom of the recessed section, the sliding filter can enter the cleaning liquid, thereby realizing automatic cleaning of the sliding filter with attached dust, and the sliding filter that needs to be cleaned can be kept away from the vent, maintaining single-layer filtration ventilation, thereby not affecting the ventilation effect when cleaning the sliding filter.

[0019] Second: Through the setting of the sensing unit, the present invention causes a large amount of dust to adhere to increase the weight of the sliding filter. The weight of the sliding filter is pressed on the movable bar through the sliding column. The movable bar presses the weight on the pressure sensor through the connecting spring. The pressure sensor transmits the weight to the controller through a wireless signal. When the weight reaches the set value, the controller starts the drive motor to rotate, and the drive motor drives the sliding filter to be cleaned, thereby realizing automatic cleaning of the sliding filter.

[0020] Third: The present invention sets a reciprocating unit, and the driving shaft rotates to drive the cam to rotate. The cam drives the bar block to move once every rotation. When the protruding end of the cam is away from the bar block, the reset spring drives the U-shaped slide bar and the bar block to reset, so that the U-shaped slide bar moves back and forth, driving the connecting block and the sponge brush to move back and forth. The conveyor belt drives the sliding filter to move, and the sponge brush can absorb the water stains on the sliding filter, thereby improving the effect of removing water stains on the sliding filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the internal cross-sectional three-dimensional structure of the fixed housing in the present invention from a first viewing angle;

[0024] Figure 3 A schematic diagram of the internal cross-sectional three-dimensional structure of the fixed housing in the present invention from a second viewing angle;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the conveyor belt and T-shaped clip in the present invention;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the upper track and the lower track in the present invention;

[0027] Figure 6 Schematic diagram of the three-dimensional structure of the sliding column and the protrusion in the present invention;

[0028] Figure 7 Schematic diagram of the three-dimensional structure of the sensing unit in the present invention;

[0029] Figure 8 It is a schematic diagram of the three-dimensional structure of the reciprocating unit in the present invention.

[0030] Reference numerals:

[0031] 1. Ventilation duct; 11. Fixed shell; 12. Drive motor; 13. Drive shaft; 14. Rotating roller; 15. Conveyor belt; 16. Ventilation port; 17. T-shaped card strip; 18. Sliding filter; 19. T-shaped scraper; 110. Fixed plate; 2. Curved plate; 21. Upper track; 22. Lower track; 23. Sliding column; 24. Tooth groove; 25. Bump; 3. Movable bar; 31. Connecting spring; 32. Pressure sensor; 4. U-shaped slide bar; 41. Connecting block; 42. Sponge brush; 43. Bar block; 44. Cam; 45. Mounting block; 46. Reset spring; 5. Controller; 6. Ultrasonic oscillator. DETAILED DESCRIPTION

[0032] The present invention is described in detail below, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0033] The present invention provides an adjustable ventilation device for civil air defense projects through improvement. The technical solution of the present invention is:

[0034] like Figures 1 to 8 As shown, an embodiment of the present invention provides an adjustable ventilation device for civil air defense projects, including two ventilation ducts 1, the two ventilation ducts 1 having one end close to each other fixedly connected to a fixed shell 11, the top of the fixed shell 11 is fixedly connected to a drive motor 12, and the fixed shell 11 is fixedly connected to a controller 5, and further comprising:

[0035] Cleaning mechanism, the cleaning mechanism is located on the fixed shell 11;

[0036] The cleaning mechanism includes a cleaning unit, a sensing unit and a reciprocating unit. The cleaning unit includes a fixed plate 110 fixedly connected to the inner wall of the fixed shell 11 at both ends. The tops of the two fixed plates 110 are rotatably connected to the rotating rollers 14. The tops of the two rotating rollers 14 are rotatably connected to the top of the fixed shell 11. The two rotating rollers 14 are commonly tensioned and sleeved with a conveyor belt 15. The conveyor belt 15 has two vents 16. The conveyor belt 15 is fixedly connected to two groups of T-shaped clips 17. Each group of T-shaped clips 17 The number is multiple, and each adjacent two T-shaped card strips 17 are slidably connected to a sliding filter 18. The tops of the two fixed plates 110 are fixedly connected to an arc plate 2, and the arc plate 2 is fixedly connected to an upper track 21 and a lower track 22. Two groups of sliding columns 23 are slidably connected between the upper track 21 and the lower track 22. The number of each group of sliding columns 23 is multiple, and one end of the multiple sliding columns 23 is respectively fixedly connected to the multiple sliding filters 18. The inner wall of the fixed shell 11 is fixedly connected to an ultrasonic oscillator 6 , the controller 5 is electrically connected to the ultrasonic oscillator 6 and the driving motor 12 respectively; the output end of the driving motor 12 is fixedly connected to the driving shaft 13, and the bottom end of the driving shaft 13 is fixedly connected to the top of one of the rotating rollers 14; through the setting of the cleaning unit, the driving motor 12 rotates to drive the driving shaft 13 to rotate, and the driving shaft 13 rotates through the conveyor belt 15 and the two rotating rollers 14. The conveyor belt 15 rotates to drive the two groups of T-shaped card strips 17, the sliding filter 18, the T-shaped scraper 19 and the sliding column 23 to rotate, so that the positions of the two groups of sliding filters 18 are interchanged, so that the sliding column 23 slides on the upper rail 21 and the lower rail 22. When the sliding filter 18 to be cleaned moves to the recessed section of the upper rail 21 and the lower rail 22, the upper rail 21 squeezes the sliding column 23 to move downward, and the sliding column 23 moves to drive the sliding filter 18 to move downward. When the sliding column 23 moves to the bottom of the recessed section, the sliding filter 18 can enter the cleaning liquid, thereby achieving cleaning of the sliding filter 18.

[0037] Furthermore, multiple sliding filter screens 18 are fixedly connected with T-shaped scrapers 19, and the T-shaped scrapers 19 on one group are in contact with the T-shaped card strip 17; through the setting of the T-shaped scraper 19, the movement of the sliding filter screen 18 drives the sliding column 23 to move downward, and the movement of the T-shaped scraper 19 can clean the T-shaped card strip 17, thereby realizing the cleaning of the T-shaped card strip 17.

[0038] Furthermore, a group of protrusions 25 are fixedly connected to the recessed section of the lower track 22, and a group of tooth grooves 24 are fixedly connected to the oblique sides of the recessed section of the lower track 22; through the setting of the protrusions 25, the sliding filter 18 can vibrate in the cleaning liquid when passing through the protrusions 25, thereby improving the cleaning effect of the sliding filter 18, and through the setting of the tooth grooves 24, the sliding filter 18 that is removed from the cleaning liquid shakes off the cleaning liquid, thereby realizing the cleaning of water stains on the sliding filter 18.

[0039] Furthermore, the sensing unit includes a groove provided on the lower track 22, in which a movable bar 3 is slidably connected, wherein the sliding columns 23 on one group are in contact with the top of the movable bar 3, and a pressure sensor 32 is fixedly connected to the bottom inner wall of the groove, and a plurality of connecting springs 31 are fixedly connected to the side where the pressure sensor 32 and the movable bar 3 are close to each other, and the pressure sensor 32 is electrically connected to the controller 5; through the setting of the sensing unit, a large amount of dust adheres to increase the weight of the sliding filter 18, and the weight of the sliding filter 18 is pressed on the movable bar 3 through the sliding column 23, and the movable bar 3 presses the weight on the pressure sensor 32 through the connecting spring 31, and the pressure sensor 32 transmits the weight to the controller 5 through a wireless signal, and when the weight reaches the set value, the controller 5 starts the drive motor 12 to rotate, and the drive motor 12 drives the sliding filter 18 to be cleaned, thereby realizing automatic cleaning of the sliding filter 18.

[0040] Furthermore, the reciprocating unit includes a U-shaped slide bar 4 slidably connected to the fixed shell 11, one end of the U-shaped slide bar 4 is fixedly connected to a connecting block 41, one end of the connecting block 41 is fixedly connected to a sponge brush 42, the connecting block 41 and the sponge brush 42 are both located in the fixed shell 11, the other end of the U-shaped slide bar 4 is fixedly connected to a strip block 43, a cam 44 is fixedly connected to the drive shaft 13, the cam 44 is in contact with the strip block 43, a mounting block 45 is slidably sleeved on the U-shaped slide bar 4, the mounting block 45 is fixedly connected to the top of the fixed shell 11, a return spring 46 is sleeved on the U-shaped slide bar 4, and the two ends of the return spring 46 are respectively connected to the The mounting block 45 and the strip block 43 are fixedly connected; through the setting of the reciprocating unit, the driving shaft 13 rotates to drive the cam 44 to rotate, and the cam 44 drives the strip block 43 to move once every rotation. When the protruding end of the cam 44 is away from the strip block 43, the reset spring 46 drives the U-shaped slide bar 4 and the strip block 43 to reset, so that the U-shaped slide bar 4 moves back and forth, driving the connecting block 41 and the sponge brush 42 to move back and forth. During the movement of the conveyor belt 15, the sponge brush 42 can absorb the water stains on the sliding filter screen 18, thereby improving the effect of removing water stains on the sliding filter screen 18.

[0041] Specific implementation steps: a cleaning liquid is provided in the fixed shell 11, and the liquid level of the cleaning liquid is lower than the fixed plate 110. During long-term ventilation, a large amount of dust will adhere to the sliding filter 18. The large amount of dust adheres to the sliding filter 18, which increases the weight of the sliding filter 18. The weight of the sliding filter 18 is pressed on the movable bar 3 through the sliding column 23. The movable bar 3 presses the weight on the pressure sensor 32 through the connecting spring 31. The pressure sensor 32 transmits the weight to the controller 5 through a wireless signal. When the weight reaches the set value, the controller 5 starts the drive motor 12 to rotate, and the rotation of the drive motor 12 drives the drive shaft 13 to rotate. The drive shaft The conveyor belt 13 rotates through the conveyor belt 15 and the two rotating rollers 14. The conveyor belt 15 rotates to drive the two sets of T-shaped card strips 17, the sliding filter screen 18, the T-shaped scraper 19 and the sliding column 23 to rotate, so that the positions of the two sets of sliding filter screens 18 are interchanged, so that the sliding column 23 slides on the upper track 21 and the lower track 22. When the sliding filter screen 18 that needs to be cleaned moves to the recessed section of the upper track 21 and the lower track 22, the upper track 21 squeezes the sliding column 23 to move downward, and the sliding column 23 moves to drive the sliding filter screen 18 and the T-shaped scraper 19 to move downward. The movement of the T-shaped scraper 19 can clean the T-shaped card strip 17. When the sliding column 23 is cleaned, the sliding column 23 is pressed downward. When the sliding filter 18 moves to the bottom of the recessed section 23, the sliding filter 18 can enter the cleaning liquid. The ultrasonic oscillator 6 is provided to clean the sliding filter 18. At the same time, the sliding filter 18 that has completed cleaning is removed from the recessed sections of the upper track 21 and the lower track 22. The protrusion 25 is provided to enable the sliding filter 18 to vibrate in the cleaning liquid, thereby improving the cleaning effect of the sliding filter 18. The tooth groove 24 is provided to enable the sliding filter 18 that has been removed from the cleaning liquid to shake off the cleaning liquid, thereby automatically cleaning the sliding filter 18 with dust attached thereto. The sliding filter 18 that needs to be cleaned can be kept away from ventilation. The opening 16 maintains single-layer filtration ventilation, so as not to affect the ventilation effect when cleaning the sliding filter 18. The driving shaft 13 rotates to drive the cam 44 to rotate. The cam 44 drives the bar block 43 to move once every rotation. When the protruding end of the cam 44 is away from the bar block 43, the reset spring 46 drives the U-shaped slide bar 4 and the bar block 43 to reset, so that the U-shaped slide bar 4 moves back and forth, driving the connecting block 41 and the sponge brush 42 to move back and forth. The conveyor belt 15 drives the sliding filter 18 to move. During the movement, the sponge brush 42 can absorb the water stains on the sliding filter 18, thereby improving the effect of removing water stains on the sliding filter 18.

[0042] The above description is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A controllable ventilation device for civil air defense engineering, comprising two ventilation ducts (1), characterized in that: The two ventilation ducts (1) are fixedly connected to a fixed shell (11) at one end thereof that is close to each other. A driving motor (12) is fixedly connected to the top of the fixed shell (11). A controller (5) is fixedly connected to the fixed shell (11). The fixed shell (11) further comprises: a cleaning mechanism, the cleaning mechanism being located on the fixed shell (11); The cleaning mechanism includes a cleaning unit, a sensing unit and a reciprocating unit. The cleaning unit includes fixed plates (110) respectively fixedly connected to the inner walls of both ends of the fixed shell (11). The tops of the two fixed plates (110) are rotatably connected to rotating rollers (14). The tops of the two rotating rollers (14) are rotatably connected to the top of the fixed shell (11). A conveyor belt (15) is tensioned and sleeved on the two rotating rollers (14). Two ventilation holes (16) are provided on the conveyor belt (15). Two groups of T-shaped clips (17) are fixedly connected to the conveyor belt (15). The number of each group of T-shaped clips (17) is multiple, and a sliding filter (18) is slidably connected to each of two adjacent T-shaped clips (17). The tops of the two fixed plates (110) are fixedly connected to an arc plate (2), and an upper track (21) and a lower track (22) are fixedly connected to the arc plate (2). Two groups of sliding columns (23) are slidably connected between the upper track (21) and the lower track (22). The number of each group of sliding columns (23) is multiple, and one end of each of the plurality of sliding columns (23) is fixedly connected to the plurality of sliding filters (18).

2. The adjustable ventilation device for civil air defense projects according to claim 1, characterized in that: The output end of the driving motor (12) is fixedly connected to a driving shaft (13), and the bottom end of the driving shaft (13) is fixedly connected to the top end of one of the rotating rollers (14).

3. The adjustable ventilation device for civil air defense projects according to claim 2, characterized in that: A plurality of the sliding filter screens (18) are fixedly connected to a T-shaped scraper (19), wherein the T-shaped scraper (19) on one group is in contact with the T-shaped clip (17).

4. The adjustable ventilation device for civil air defense projects according to claim 3, characterized in that: An ultrasonic oscillator (6) is fixedly connected to the inner wall of the fixed shell (11), and the controller (5) is electrically connected to the ultrasonic oscillator (6) and the drive motor (12) respectively.

5. The adjustable ventilation device for civil air defense projects according to claim 4, characterized in that: A group of protrusions (25) are fixedly connected to the concave section of the lower track (22), and a group of tooth grooves (24) are fixedly connected to the oblique sides of the concave section of the lower track (22).

6. The adjustable ventilation device for civil air defense projects according to any one of claims 1 to 5, characterized in that: The sensing unit comprises a groove formed on the lower rail (22), wherein a movable bar (3) is slidably connected in the groove, wherein the sliding columns (23) on one group are in contact with the top of the movable bar (3), a pressure sensor (32) is fixedly connected to the inner wall of the bottom of the groove, and a plurality of connecting springs (31) are fixedly connected to the side of the pressure sensor (32) and the movable bar (3) that are close to each other.

7. The adjustable ventilation device for civil air defense projects according to claim 6, characterized in that: The pressure sensor (32) and the controller (5) are electrically connected.

8. The adjustable ventilation device for civil air defense projects according to claim 6, characterized in that: The reciprocating unit comprises a U-shaped slide bar (4) slidably connected to the fixed shell (11), one end of the U-shaped slide bar (4) is fixedly connected to a connecting block (41), one end of the connecting block (41) is fixedly connected to a sponge brush (42), the connecting block (41) and the sponge brush (42) are both located in the fixed shell (11), the other end of the U-shaped slide bar (4) is fixedly connected to a strip block (43), the driving shaft (13) is fixedly connected to a cam (44), and the cam (44) is in contact with the strip block (43).

9. The adjustable ventilation device for civil air defense projects according to claim 8, characterized in that: A mounting block (45) is slidably sleeved on the U-shaped slide bar (4), and the mounting block (45) is fixedly connected to the top of the fixed shell (11). A return spring (46) is sleeved on the U-shaped slide bar (4), and two ends of the return spring (46) are fixedly connected to the mounting block (45) and the strip block (43) respectively.

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