Air volume adjustable ventilation system capable of being used for people

Abstract

The utility model discloses an air volume adjustable ventilation system capable of being used for people, and belongs to the technical field of underground roadway ventilation facilities. The utility model aims to provide a ventilation system which forms double-door locking to avoid air flow short circuit, is firm, simple, convenient and safe, and can adjust the air distribution amount. According to the technical scheme, the ventilation device comprises a ventilation partition wall, a person passing air door and an air volume adjusting device, a person passing opening and an air volume adjusting opening are formed in the ventilation partition wall, the person passing air door is arranged in the person passing opening, and the air volume adjusting device is installed in the air volume adjusting opening; the people passing air door comprises a channel, a first air door, a second air door and an air door locking device, the cross section of the channel is rectangular, the two ends of the channel are open, the first air door and the second air door are installed at the openings in the two ends of the channel respectively, and the air door locking device is installed between the first air door and the second air door. The device is used for pedestrian passing without influencing ventilation between two adjacent long roadways.

Description

Technical Field

[0001] The utility model discloses a ventilation system with adjustable air volume and pedestrian access, belonging to the technical field of ventilation facilities for underground tunnels. Background Art

[0002] In coal mines, as the mine develops, each excavation face drift is more than 1,000 meters long. It is inconvenient for people to walk back and forth in adjacent lanes. It is necessary to construct ventilation partition walls in the horizontal river to accommodate pedestrians. Figure 5 At the beginning, in order to solve the problem of personnel passage, a passage was opened on the ventilation partition wall, and the following Figure 7 The leather curtain shown in FIG, however, has problems such as airflow short circuit, easy falling off of the curtain, and inconvenience for people to pass through. For example, Figure 6 After opening an entrance and installing a leather curtain on the 3# Hengchuan partition wall, Figure 9 As shown, the 3# Hengchuan short circuit caused the 3# Hengchuan to have no wind and the 3# Hengchuan area was not windy. The gas rose. Figure 8 The wooden doors shown solve the problem of easy detachment and inconvenience for personnel access. However, single-wall wooden doors cannot be locked, and the disadvantages of airflow short-circuiting and easy damage to the wooden door remain. To ensure the safety of the ventilation system, two ventilation partition walls must be constructed to form two entrances for locking, which increases material investment and does not meet the basic requirements of "saving money and reducing consumption." Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a ventilation system that forms a double-door lock to avoid airflow short-circuiting, is reliable, simple, safe, and can also adjust the air volume.

[0004] To achieve the above-mentioned object, the utility model adopts the following technical solution: an adjustable air volume and pedestrian ventilation system, comprising a ventilation partition wall, a pedestrian damper and an air volume regulating device, wherein a pedestrian entrance and an air volume regulating port are formed on the ventilation partition wall, the pedestrian damper is arranged in the pedestrian entrance, and the air volume regulating device is installed in the air volume regulating port;

[0005] The passage damper includes a passage, a first damper, a second damper and a damper locking device. The cross section of the passage is rectangular and open at both ends. The first damper and the second damper are respectively installed at the openings at both ends of the passage. The damper locking device is installed between the first damper and the second damper.

[0006] Furthermore, the channel includes a frame and panels, the frame is a rectangular frame, and four panels cover four sides of the frame.

[0007] Furthermore, the frame is welded from 60x80mm rectangular steel pipes, and the panel is a 1.5mm thick steel plate.

[0008] Furthermore, the channel is 2000 mm long, 1160 mm wide and 1860 mm high.

[0009] Furthermore, labels are written on the outer sides of the first damper and the second damper.

[0010] Furthermore, the air volume regulating port includes a side air volume regulating port and an upper air volume regulating port, the air volume regulating device includes a side air volume regulating device and an upper air volume regulating device, the side air volume regulating device is installed in the side air volume regulating port, and the upper air volume regulating device is installed in the upper air volume regulating port.

[0011] Furthermore, the side air volume adjustment device includes an upper mounting bar, a lower mounting bar and a wind shield. The upper mounting bar is fixed on the top surface of the side air volume adjustment port, and the lower mounting bar is fixed on the bottom surface of the side air volume adjustment port. Both the upper mounting bar and the lower mounting bar are provided with mounting grooves, and the top and bottom ends of the wind shield can be removably installed in the mounting grooves of the upper mounting bar and the lower mounting bar respectively.

[0012] Furthermore, the windshield includes a plurality of identical long strip-shaped baffles, which are arranged flatly, and the top and bottom ends of the baffles are detachably mounted in the mounting grooves of the upper mounting bar and the lower mounting bar respectively.

[0013] Furthermore, the structure of the upper air volume regulating device is the same as that of the side air volume regulating device.

[0014] Compared with the prior art, the present invention has the following beneficial effects.

[0015] After installation, this utility model allows for convenient passage of personnel without short-circuiting airflow, requiring only a single partition wall. The door panels are also less susceptible to damage, resulting in increased safety. Furthermore, the air volume control device allows for adjustable air flow within the ventilation area, ensuring a stable and easily adjustable ventilation system while ensuring adequate access for personnel. Furthermore, the manhole door in this utility model is reusable, saving costs. This device has been used effectively at several locations in the East and West Wells of the Sihe Mine in Jincheng City, Shanxi Province. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only 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.

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a cross-sectional view of the present invention.

[0019] Figure 3 It is a front view of the air door in the utility model.

[0020] Figure 4 It is a side view of the air door in the utility model.

[0021] Figure 5 It is a structural diagram of the air door passage in the utility model.

[0022] Figure 6 Schematic diagram of a ventilation tunnel requiring human access in the background technology.

[0023] Figure 7 It is a schematic diagram of a leather curtain passing through a population in the background technology.

[0024] Figure 8 It is a schematic diagram of a wooden door entrance in the background technology.

[0025] Figure 9 It is a schematic diagram of a ventilation tunnel short circuit in the background technology.

[0026] In the figure: 1 is a ventilation partition wall, 2 is a manhole cover, 3 is an air volume adjustment device, 4 is a passage, 5 is a first air door, 6 is a second air door, 7 is an air door locking device, 8 is a frame, 9 is a panel, 10 is a side air volume adjustment device, 11 is an upper air volume adjustment device, 12 is an upper mounting strip, 13 is a lower mounting strip, and 14 is a wind shield. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention are clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described 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 implementation methods obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and purpose that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0029] The utility model provides the following embodiments.

[0030] like Figure 1 、 Figure 2 As shown, the utility model is a ventilation system with adjustable air volume and pedestrian access, comprising a ventilation partition wall 1, a pedestrian damper 2 and an air volume regulating device 3. The ventilation partition wall 1 is provided with a pedestrian entrance and an air volume regulating port, the pedestrian damper 2 is arranged in the pedestrian entrance, and the air volume regulating device 3 is installed in the air volume regulating port;

[0031] like Figure 3 、 Figure 4 As shown, the passing damper 2 includes a channel 4, a first damper 5, a second damper 6 and a damper locking device 7. The cross-section of the channel 4 is rectangular and open at both ends. The first damper 5 and the second damper 6 are respectively installed at the openings at both ends of the channel 4, and the damper locking device 7 is installed between the first damper 5 and the second damper 6.

[0032] like Figure 5 As shown, the channel 4 includes a skeleton 8 and panels 9 . The skeleton 8 is a rectangular frame, and four panels 9 cover the four sides of the skeleton 8 .

[0033] The frame 8 is welded from 60x80mm rectangular steel pipes, and the panel 9 is a steel plate with a thickness of 1.5mm.

[0034] The channel 4 is 2000 mm long, 1160 mm wide and 1860 mm high.

[0035] There are signs on the outer sides of the first damper 5 and the second damper 6. The signs include the words "pedestrian passage" to indicate the passage here, and the words "push" and "pull" to indicate the direction of opening the door.

[0036] The man-passing damper 2 is a closed integral body, easy to install and disassemble, and reusable.

[0037] like Figure 1 As shown, the air volume regulating port includes a side air volume regulating port and an upper air volume regulating port, and the air volume regulating device 3 includes a side air volume regulating device 10 and an upper air volume regulating device 11. The side air volume regulating device 10 is installed in the side air volume regulating port, and the upper air volume regulating device 11 is installed in the upper air volume regulating port.

[0038] The side air volume adjustment device 10 includes an upper mounting bar 12, a lower mounting bar 13 and a wind shield 14. The upper mounting bar 12 is fixed on the top surface of the side air volume adjustment port, and the lower mounting bar 13 is fixed on the bottom surface of the side air volume adjustment port. Both the upper mounting bar 12 and the lower mounting bar 13 are provided with mounting grooves, and the top and bottom ends of the wind shield 14 can be detachably mounted in the mounting grooves of the upper mounting bar 12 and the lower mounting bar 13 respectively.

[0039] The windshield 14 includes a plurality of identical long strip-shaped baffles, which are arranged flatly, and the top and bottom ends of the baffles are detachably mounted in the mounting grooves of the upper mounting bar 12 and the lower mounting bar 13 respectively.

[0040] The design of the wind shield 14 can adjust the air volume by disassembling and assembling different numbers of shields.

[0041] The specific installation method of the baffle in the windshield 14 is to deepen the installation groove on the upper installation bar 12, insert the top of the baffle into the upper installation bar 12 first, move the bottom end to the installation groove of the lower installation bar 13, align it and put it in; the other method is to open a notch at one end of the installation groove on the upper installation bar 12 and the lower installation bar 13, align the baffle with the notch and put it into the installation groove, and then push it horizontally into place; it can also be other structures that can be thought of by technicians in this field, as long as it can realize the installation and disassembly of the baffle.

[0042] The structure of the upper air volume regulating device 11 is the same as that of the side air volume regulating device 10 .

[0043] The utility model is set in the horizontal river of two adjacent long lanes. People pass back and forth through the pedestrian damper 2. The pedestrian damper 2 is strong and durable. The double-door design can be locked to prevent airflow short circuit. The overall design makes installation and disassembly convenient and can be reused; the air volume adjustment device 3 can adjust the air volume.

[0044] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A ventilation system with adjustable air volume and pedestrian access, characterized by: The invention comprises a ventilation partition wall (1), a man-passing damper (2) and an air volume regulating device (3), wherein the ventilation partition wall (1) is provided with a man-passing opening and an air volume regulating opening, the man-passing damper (2) is arranged in the man-passing opening, and the air volume regulating device (3) is installed in the air volume regulating opening; The passage damper (2) comprises a passage (4), a first damper (5), a second damper (6) and a damper locking device (7); the passage (4) has a rectangular cross section and is open at both ends; the first damper (5) and the second damper (6) are respectively installed at the openings at both ends of the passage (4); and the damper locking device (7) is installed between the first damper (5) and the second damper (6); The air volume regulating port comprises a side air volume regulating port and an upper air volume regulating port, the air volume regulating device (3) comprises a side air volume regulating device (10) and an upper air volume regulating device (11), the side air volume regulating device (10) is installed in the side air volume regulating port, and the upper air volume regulating device (11) is installed in the upper air volume regulating port; The side air volume regulating device (10) comprises an upper mounting bar (12), a lower mounting bar (13) and a windshield (14), wherein the upper mounting bar (12) is fixed on the top surface of the side air volume regulating port, and the lower mounting bar (13) is fixed on the bottom surface of the side air volume regulating port, and mounting grooves are formed on the upper mounting bar (12) and the lower mounting bar (13), and the top and bottom ends of the windshield (14) are detachably mounted in the mounting grooves of the upper mounting bar (12) and the lower mounting bar (13), respectively. The structure of the upper air volume regulating device (11) is the same as that of the side air volume regulating device (10).

2. The adjustable air volume pedestrian ventilation system according to claim 1, characterized in that: The channel (4) comprises a frame (8) and panels (9), the frame (8) is a rectangular frame, and four panels (9) cover four sides of the frame (8).

3. The adjustable air volume and pedestrian ventilation system according to claim 2, characterized in that: The frame (8) is welded from 60x80mm rectangular steel pipes, and the panel (9) is a steel plate with a thickness of 1.5mm.

4. The adjustable air volume and pedestrian ventilation system according to claim 1 or 2, characterized in that: The passage (4) is 2000 mm long, 1160 mm wide and 1860 mm high.

5. The adjustable air volume and pedestrian ventilation system according to claim 1 or 2, characterized in that: The outer surfaces of the first damper (5) and the second damper (6) are both marked with logos.

6. The adjustable air volume and pedestrian ventilation system according to claim 1, characterized in that: The windshield (14) comprises a plurality of identical long strip-shaped baffles, which are arranged flatly, and the top and bottom ends of the baffles are detachably mounted in the mounting grooves of the upper mounting strip (12) and the lower mounting strip (13), respectively.

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