CN218209937U - Building ventilation system debugging system - Google Patents
Building ventilation system debugging system Download PDFInfo
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- CN218209937U CN218209937U CN202222237741.4U CN202222237741U CN218209937U CN 218209937 U CN218209937 U CN 218209937U CN 202222237741 U CN202222237741 U CN 202222237741U CN 218209937 U CN218209937 U CN 218209937U
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Abstract
The application relates to the technical field of building ventilation equipment, and particularly discloses a building ventilation system debugging system which comprises an air inlet pipe, wherein an air isolating frame is arranged in the air inlet pipe, and a ventilation opening is formed in the air isolating frame; the wind isolating frame is rotatably connected with a plurality of shielding pieces, the shielding pieces are vertically distributed along the wind isolating frame, and the length direction of the shielding pieces extends along the horizontal direction; the wind shielding frame is provided with a plurality of rotating assemblies for realizing the rotation of the shielding sheets, and the air inlet pipe is provided with an adjusting assembly for adjusting the rotation angle of the shielding sheets. This application has the convenient adjustable effect of air-supply line intake.
Description
Technical Field
The application relates to the technical field of building ventilation equipment, in particular to a debugging system of a building ventilation system.
Background
In the industrial building, the multilayer factory building workshop can face stuffy and hot summer, and the problem that the air does not circulate needs high input cost if setting up central air conditioning, therefore most factory buildings can set up mechanical ventilation system.
Chinese patent with publication number CN212132812U in the related art provides a multi-storey building ventilation system, which belongs to the technical field of building ventilation and comprises a vertical pipe for multi-storey building ventilation, wherein the vertical pipe is connected with branch pipes leading to the indoor, the branch pipes are provided with more than two ventilation branch pipes leading to each storey of the indoor, filter screens for filtering dust are arranged in the branch pipes, and cleaning devices for cleaning the filter screens are arranged at the filter screens; the cleaning device comprises a cleaning assembly arranged on one side of the filter screen, a lead screw used for driving the cleaning assembly to move up and down, and a dust collection fan arranged on one side of the branch pipeline and used for absorbing dust; the cleaning assembly comprises a cleaning plate arranged on one side of the filter screen and bristles arranged on the cleaning plate towards the direction of the filter screen.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the air volume of the vertical pipe is controlled by the master control system, but the number of branch pipes controlled by the master control system is large, and the air volume of a single branch pipe is not provided with a device for adjusting the air volume at present, so that the defect of inconvenience in branch pipe air volume adjustment exists.
SUMMERY OF THE UTILITY MODEL
In order to improve the inconvenient problem of air-supply line air regulation, this application provides a building ventilation system debug system.
The application provides a building ventilation system debugging system adopts following technical scheme:
a building ventilation system debugging system comprises an air inlet pipe, wherein an air isolating frame is arranged in the air inlet pipe, and a ventilation opening is formed in the air isolating frame; the wind-proof frame is rotatably connected with a plurality of shielding pieces, the shielding pieces are vertically distributed along the wind-proof frame, and the length direction of the shielding pieces extends along the horizontal direction; the air insulation frame is provided with a plurality of rotating assemblies for realizing the rotation of the shielding pieces, and the air inlet pipe is provided with an adjusting assembly for adjusting the rotation angle of the shielding pieces.
By adopting the technical scheme, the air quantity enters from the air inlet pipe and passes through the vent on the air isolating frame, when the width direction of the shielding pieces is vertical to the flow direction of the air, the shielding pieces are mutually abutted, the vent is shielded by the shielding pieces, and therefore the air quantity cannot enter; the angle of the shielding piece can be rotated through the rotating assembly; the rotation angle of the shielding piece can be adjusted by controlling the adjusting assembly, so that the width direction of the shielding piece is inclined along the vertical direction, and partial air volume can enter the air inlet; when the width of the shielding piece is parallel to the direction of the inlet air flow, the inlet air quantity is the maximum air quantity; thereby the effect of convenient and fast adjustment of the air inlet volume of the air inlet pipe is realized.
Optionally, the rotating assembly includes a bearing and a rotating rod, one end of the rotating rod is fixedly connected with the shielding sheet, the wind-shielding frame is provided with a plurality of through holes, the inner wall of the bearing is fixedly connected with the rotating rod, and the outer wall of the bearing is fixedly connected with the inner wall of the through hole; the air inlet pipe is provided with a plurality of through holes for the rotating rods to pass through, and the rotating rods stretch out of the outer wall of the air inlet pipe.
Through adopting above-mentioned technical scheme, bearing outer wall and through-hole inner wall rigid coupling, bearing inner wall and bull stick rigid coupling to realize that the bull stick is rotatable to be installed on the wind-proof frame, the bull stick stretch out in thereby the installation adjusting part of being convenient for realizes simultaneously a plurality of bull stick turned angle's adjustment.
Optionally, a first mounting plate and a second mounting plate are fixedly connected to the air inlet pipe, the adjusting assembly includes a plurality of gears fixedly connected to one end of the rotating rod, and a first rack and a second rack arranged on one side of the rotating rod, the first rack is engaged with the corresponding plurality of gears, and the second rack is engaged with the other gears; the first rack is arranged on the first mounting plate in a sliding manner, and the second rack is arranged on the second mounting plate in a sliding manner; and a control piece used for controlling the first rack and the second rack to slide towards the direction away from each other is arranged on the mounting plate.
By adopting the technical scheme, the first mounting plate provides a mounting base for the first rack, and simultaneously limits the horizontal movement of the first rack; correspondingly, the second mounting plate provides a mounting base for the second rack and limits the horizontal movement of the second rack; under the control action of the control piece, the first rack and the second rack can slide along the direction of vertical approaching to or departing from each other; when the first rack and the second rack slide towards the direction away from each other, the corresponding gears are correspondingly driven to rotate, and the racks drive the corresponding rotating rods and the shielding pieces on the rotating rods to rotate, so that the shielding range of the shielding pieces is controlled, and the air intake is controlled.
Optionally, the control member is a circular truncated cone, and the diameter of the circular truncated cone cross section gradually increases along the direction from the position close to the air inlet pipe to the position far away from the air inlet pipe; the circular truncated cone is arranged between the first mounting plate and the second mounting plate in a sliding manner; limiting parts are arranged at one ends of the first rack and the second rack, and the end part of the first rack and the end part of the second rack respectively slide along the direction of the circular truncated cone bus through the limiting parts; the circular truncated cone is provided with a limiting piece for limiting the first rack and the second rack to slide out of the peripheral wall of the circular truncated cone; and the first mounting plate is provided with a driving assembly for driving the circular truncated cone to slide along the direction close to or far away from the wind isolation frame.
By adopting the technical scheme, the circular truncated cone is arranged between the first mounting plate and the second mounting plate in a sliding manner, so that the first mounting plate and the second mounting plate are matched to limit the vertical movement of the circular truncated cone together; the first rack and the second rack slide along the circular truncated cone bus through the limiting part arranged on the first rack and the second rack, and the limiting part limits the first rack and the second rack to slide out of the peripheral wall surface of the sliding table; simultaneously through the reducing setting of round platform, under drive assembly's drive action, when the round platform was slided to the major diameter end by minor diameter one end, the restriction piece moved in the direction of keeping away from the round platform axis along the round platform generating line in vertical direction, thereby drive first rack and second rack to the direction motion that deviates from each other, corresponding drive corresponds two sets of gears and rotates along opposite direction, the rack drives corresponding bull stick and shelters from the piece rotation on it, thereby the realization is to sheltering from the control that the piece sheltered from the scope, and then control the intake.
Optionally, the limiting member is a sliding block, and the sliding block includes a horizontal bar horizontally arranged and a vertical bar vertically arranged; the circular truncated cone is provided with a sliding groove which is matched with the sliding block in a sliding manner along the bus direction of the circular truncated cone.
By adopting the technical scheme, the sliding block slides in the sliding groove, and the outer side wall of the horizontal bar of the sliding block is abutted with the inner side wall of the horizontal groove of the sliding groove; the vertical strip of the sliding block fixedly connects the horizontal strip with the first rack or the second rack, so that the first rack or the second rack slides on the peripheral wall of the circular truncated cone along the generatrix of the circular truncated cone.
Optionally, the driving assembly includes a servo motor mounted on the first mounting plate and a screw rod coaxially and fixedly connected to the servo motor; the end part of the circular truncated cone is provided with a threaded hole for screw thread adaptation along the axial direction of the screw.
By adopting the technical scheme, the screw rod is driven to rotate through the servo motor, and the sliding block limits the circular truncated cone to rotate, so that the circular truncated cone moves on the screw rod along the direction close to or far away from the air inlet pipe, and the first gear and the second gear are correspondingly pushed to move towards the direction close to or far away from each other.
Optionally, the limiting part is a baffle fixedly connected to the circular truncated cone, and the baffle is located at a notch at two sides of the sliding groove.
Through adopting above-mentioned technical scheme, the baffle restriction sliding block is followed its both sides notch roll-off along sliding groove length direction.
Optionally, a sealing structure is arranged between the plurality of shielding pieces.
Through adopting above-mentioned technical scheme, when the width direction perpendicular to wind flow direction of sheltering from the piece, when mutual butt between the piece adjacent shielding between the piece leakproofness improves to make better and shelter from the piece and shelter from the vent, reduce the amount of wind and spill over.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the air quantity enters from the air inlet pipe and passes through the air vent on the air isolating frame, when the width direction of the shielding pieces is perpendicular to the flow direction of the air, the shielding pieces are mutually abutted, the air vent is shielded by the shielding pieces, and therefore the air quantity cannot enter; the angle of the shielding piece can be rotated through the rotating assembly; the rotation angle of the shielding piece can be adjusted by controlling the adjusting assembly, so that the width direction of the shielding piece is inclined along the vertical direction, and partial air volume can enter the air inlet; when the width of the shielding piece is parallel to the direction of the inlet air, the inlet air quantity is the maximum air quantity; thereby realizing the effect of conveniently adjusting the air inlet quantity of the air inlet pipe;
2. the servo motor drives the screw rod to rotate, and the first mounting plate and the second mounting plate are matched to limit the vertical movement of the circular truncated cone together; the circular truncated cone moves on the screw rod along the direction close to or far away from the air inlet pipe, and correspondingly pushes the first gear and the second gear to move towards the direction close to or far away from each other;
3. the sealing structure improves the sealing property when the adjacent shielding pieces are mutually abutted, so that the shielding pieces can better shield the vent, and the overflow of air volume is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram of the air separation frame, the air inlet pipe, the rotating assembly and the adjusting assembly in the embodiment of the application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an explosion structure schematic diagram of the circular truncated cone, the wind-proof frame and the shielding sheet in the embodiment of the present application.
FIG. 5 is a schematic cross-sectional view of a connection portion between a circular truncated cone and a screw in an embodiment of the present application.
Reference numerals are as follows: 1. an air inlet pipe; 11. perforating; 2. a wind-proof frame; 21. a vent; 22. positioning plates; 23. a through hole; 3. a shielding sheet; 4. a rotating rod; 41. a bearing; 42. a rubber pad; 5. a gear; 51. a first rack; 511. a sliding block; 52. a second rack; 6. a first mounting plate; 61. a first mounting hole; 62. a chute; 7. a second mounting plate; 72. a second mounting hole; 8. a circular truncated cone; 80. a threaded hole; 81. a slider; 82. a sliding groove; 83. a baffle plate; 9. a servo motor; 91. a screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses building ventilation system debugging system. Referring to fig. 1 and 2, the building ventilation system debugging system comprises an air inlet pipe 1, wherein an air isolation frame 2 is arranged in the air inlet pipe 1, and a ventilation opening 21 is formed in the air isolation frame 2; the middle part of the wind-proof frame 2 is provided with a positioning sheet 22, and the wind-proof frame 2 is rotatably connected with a plurality of shielding sheets 3; the width directions of the positioning pieces 22 and the shielding pieces 3 are perpendicular to the flow direction of air in the air inlet pipe 1, and the length directions of the positioning pieces 22 and the shielding pieces 3 extend along the width direction of the air inlet pipe 1. In the embodiment, the number of the shielding pieces 3 can be five, six and the like, the shielding pieces 3 are vertically arranged into six along the rotating frame, every three shielding pieces 3 form one group, the first group of shielding pieces 3 are positioned at the vertical upper side of the positioning piece 22, the second group of shielding pieces 3 are positioned at the vertical lower side of the positioning piece 22, and the opening directions of the two groups of shielding pieces 3 are respectively arranged along the upwind direction and the downwind direction; the air insulation frame 2 is provided with a plurality of rotating assemblies for realizing the rotation of the shielding sheets 3, and the air inlet pipe 1 is provided with an adjusting assembly for adjusting the rotation angle of the shielding sheets 3.
When the air-tight device is used, the positioning sheet 22 has a limiting effect on the rotating position between the two groups of shielding sheets 3, and meanwhile, the sealing performance at the air vent 21 can be improved; the air quantity enters from the air inlet pipe 1 and is transmitted to the indoor through the vent 21 on the air isolating frame 2, when the width direction of the shielding sheets 3 is vertical to the flow direction of the air, the upper and lower groups of shielding sheets 3 are respectively abutted against each other, the vent 21 is shielded by the shielding sheets 3, and therefore the air quantity cannot enter; meanwhile, a sealing structure is arranged between adjacent shielding sheets 3, and the sealing structure in this embodiment is arranged to be fixedly connected to the rubber pad 42 at the side end of the shielding sheet 3 close to the other adjacent shielding sheet 3.
Referring to fig. 1 and 3, the rotating assembly includes a plurality of bearings 41 and a plurality of rotating rods 4. One end of the rotating rod 4 is fixedly connected with the shielding piece 3, a plurality of through holes 23 are formed in the air isolating frame 2, the outer wall of the bearing 41 is fixedly connected with the inner wall of the through holes 23, and therefore the air isolating frame 2 provides an installation foundation for the bearing 41; the inner wall of the bearing 41 is fixedly connected with the rotating rod 4, so that the rotating rod 4 can be rotatably arranged on the wind isolation frame 2; in order to facilitate the adjustment assembly to control the rotation of the rotating rod 4, the air inlet pipe 1 is provided with a plurality of through holes 11 for the rotating rod 4 to pass through, and one end of the rotating rod 4, which is far away from the shielding piece 3, extends out of the outer wall of the air inlet pipe 1. Meanwhile, in order to improve the sealing performance of the joint of the rotating shaft 4 and the air inlet pipe 1 and reduce the overflow of air quantity from the perforation 11 of the air inlet pipe 1, a sealing structure is arranged on the rotating shaft 4 corresponding to the periphery of the perforation 11.
Referring to fig. 3 and 4, in order to achieve simultaneous adjustment of a plurality of rotating rods 4, the adjusting assembly includes a plurality of gears 5 fixedly connected to the ends of the rotating rods 4, and a first rack 51 and a second rack 52 disposed on one side of the rotating rods 4, wherein the first rack 51 is engaged with the corresponding plurality of gears 5, and the second rack 52 is engaged with other gears 5; in order to realize the vertical sliding motion of the first rack 51 and the second rack 52, a first mounting plate 6 and a second mounting plate 7 are horizontally and fixedly connected to the air inlet pipe 1, a first mounting hole 61 is formed in the first mounting plate 6, and a second mounting hole 72 is formed in the second mounting plate 7; the first rack 51 penetrates through the first mounting hole 61 in a sliding manner and vertically slides on the first mounting plate 6, and the second rack 52 penetrates through the first mounting hole 61 and vertically slides on the second mounting plate 7; the mounting plate is provided with a control member for simultaneously controlling the first rack 51 and the second rack 52 to slide in the direction away from each other.
When the air volume is adjusted, the inner wall of the first mounting hole 61 is abutted against the periphery of the first rack 51, and the first mounting plate 6 limits the movement of the first rack 51 in the horizontal direction; accordingly, the second mounting plate 7 restricts the horizontal movement of the second rack 52.
Referring to fig. 4 and 5, in this embodiment, the control member is set as a circular truncated cone 8, a sliding block 81 is fixedly connected to an outer side wall of the circular truncated cone 8 close to the first mounting plate 6 and the second mounting plate 7, the sliding grooves 62 are correspondingly formed in the first mounting plate 6 and the second mounting plate 7, and the sliding blocks 81 on two sides drive the circular truncated cone 8 to slide and be arranged between the first mounting plate 6 and the second mounting plate 7, so that the first mounting plate 6 cooperates with the second mounting plate 7 to limit the circular truncated cone 8 to move along the vertical direction. The diameter of the section circle of the circular truncated cone 8 gradually increases along the direction from the air inlet pipe 1 to the direction far away from the air inlet pipe 1, so that when the circular truncated cone 8 slides from one end with a small diameter to the end with a large diameter, the limiting part moves along the generatrix of the circular truncated cone 8 in the vertical direction towards the direction far away from the axis of the circular truncated cone 8, and the first rack 51 and the second rack 52 are driven to move towards the directions far away from each other.
Referring to fig. 4 and 5, one end of each of the first rack 51 and the second rack 52 is provided with a sliding block 511 for enabling the first rack 51 and the second rack 52 to slide on the circular table 8, and the sliding block 511 is shaped as a "T" block, and includes a horizontal bar horizontally arranged and a vertical bar vertically arranged; the circular truncated cone 8 is provided with a T-shaped sliding groove 82 corresponding to the sliding block 511 in shape along the generatrix direction, and the sliding groove 82 is in sliding fit with the sliding block 511; the sliding block 511 slides in the sliding groove 82, and the outer side wall of the horizontal bar of the sliding block 511 is abutted with the inner side wall of the horizontal groove of the sliding groove 82; the vertical bar of the sliding block 511 fixedly connects the horizontal bar with the first rack 51 or the second rack 52, so that the first rack 51 or the second rack 52 can slide in the sliding groove 82 along the generatrix of the circular truncated cone 8 without being separated from the peripheral wall of the circular truncated cone 8.
Referring to fig. 4 and 5, in addition, in order to limit the sliding block 511 from sliding out of the notches at the two ends in the length direction of the sliding groove 82, the circular truncated cone 8 is provided with a limiting part for limiting the first rack 51 and the second rack 52 from sliding out of the outer peripheral wall of the circular truncated cone 8, and the limiting part is fixedly connected with the baffle 83 positioned at the notches at the two sides of the sliding groove 82.
Referring to fig. 4 and 5, in order to drive the circular truncated cone 8 to slide towards or away from the wind-proof frame 2, a driving assembly is arranged on the first mounting plate 6. The driving component comprises a servo motor 9 fixedly connected to the first mounting plate 6 and a screw 91 rotatably mounted on the first mounting plate 6; the screw 91 is coaxially and fixedly connected with the output end of the servo motor 9; the end part of the circular truncated cone 8 is provided with a threaded hole 80 matched with the thread of the screw 91 along the direction of the central axis of the end part. The servo motor 9 is started to drive the screw rod 91 to rotate, the sliding block 81 limits the rotation of the circular truncated cone 8, and therefore the rotation of the screw rod 91 can be converted into the sliding of the circular truncated cone 8; the circular truncated cone 8 moves on the screw 91 in a direction approaching or separating from the air inlet pipe 1, and accordingly pushes the first gear 5 and the second gear 5 to move in a direction approaching or separating from each other.
The implementation principle of the building ventilation system debugging system in the embodiment of the application is as follows: when the width direction of the shielding piece 3 is located in the vertical direction, the shielding pieces 3 are mutually abutted, the vent 21 is shielded by the shielding piece 3, and the air volume cannot enter.
When the air inlet quantity of the air inlet pipe 1 needs to be adjusted, the servo motor 9 is started to drive the screw rod 91 to rotate, the first mounting plate 6 is matched with the second mounting plate 7 to limit the vertical movement of the circular truncated cone 8, and therefore the rotation of the screw rod 91 can be converted into the sliding of the circular truncated cone 8; the circular truncated cone 8 moves on the screw 91 in a direction approaching or moving away from the air inlet pipe 1, and accordingly the sliding block 511 is pushed to slide in the sliding groove 82, and the first rack 51 and the second rack 52 move in a direction approaching or moving away from each other.
When the first rack 51 and the second rack 52 move away from each other; the first rack 51 drives the gear 5 of the first group of shielding pieces 3 to rotate, the second rack 52 drives the gear 5 of the second group of shielding pieces 3 to reversely rotate, the gear 5 correspondingly drives the rotating rod 4 to rotate, and the rotating rod 4 drives the two groups of shielding pieces 3 to rotate, so that the width direction of the shielding pieces 3 is inclined along the vertical direction, and partial air volume can enter at the moment; when the width of the shielding piece 3 is parallel to the flow direction of the inlet air, the inlet air volume is the maximum air volume; thereby the effect of convenient and fast adjustment of the air inlet volume of the air inlet pipe 1 is realized.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A building ventilation system debugging system, includes air-supply line (1), its characterized in that: an air isolating frame (2) is arranged in the air inlet pipe (1), and a ventilation opening (21) is formed in the air isolating frame (2); the wind-proof frame (2) is rotatably connected with a plurality of shielding pieces (3), the shielding pieces (3) are vertically distributed along the wind-proof frame (2), and the length direction of the shielding pieces (3) extends along the horizontal direction; the air insulation frame (2) is provided with a plurality of rotating assemblies for realizing the rotation of the shielding pieces (3), and the air inlet pipe (1) is provided with an adjusting assembly for adjusting the rotation angle of the shielding pieces (3).
2. A building ventilation system commissioning system according to claim 1 wherein: the rotating assembly comprises a bearing (41) and a rotating rod (4), one end of the rotating rod (4) is fixedly connected with the shielding sheet (3), a plurality of through holes (23) are formed in the wind insulation frame (2), the inner wall of the bearing (41) is fixedly connected with the rotating rod (4), and the outer wall of the bearing (41) is fixedly connected with the inner wall of the through hole (23); the air inlet pipe (1) is provided with a plurality of through holes (11) for the rotating rods (4) to pass through, and the rotating rods (4) extend out of the outer wall of the air inlet pipe (1).
3. A building ventilation system commissioning system according to claim 2 wherein: a first mounting plate (6) and a second mounting plate (7) are fixedly connected to the air inlet pipe (1), the adjusting assembly comprises a plurality of gears (5) fixedly connected to one end of the rotating rod (4), and a first rack (51) and a second rack (52) arranged on one side of the rotating rod (4), the first rack (51) is meshed with the corresponding gears (5), the second rack (52) is meshed with the other gears (5), the first rack (51) is slidably arranged on the first mounting plate (6), and the second rack (52) is slidably arranged on the second mounting plate (7); the mounting plate is provided with a control piece used for controlling the first rack (51) and the second rack (52) to slide towards the direction away from each other.
4. A building ventilation system commissioning system according to claim 3 wherein: the control piece is arranged to be a circular table (8), and the diameter of the section circle of the circular table (8) gradually increases along the direction from the position close to the air inlet pipe (1) to the position far away from the air inlet pipe (1); the circular truncated cone (8) is arranged between the first mounting plate (6) and the second mounting plate (7) in a sliding manner; the first rack (51) and the second rack (52) slide on the circular truncated cone (8) along the generatrix direction of the circular truncated cone (8); the circular truncated cone (8) is provided with a limiting piece for limiting the first rack (51) and the second rack (52) to slide out of the outer peripheral wall of the circular truncated cone (8); the first mounting plate (6) is provided with a driving assembly for driving the circular truncated cone (8) to slide along the direction close to or far away from the wind-proof frame (2).
5. A building ventilation system commissioning system according to claim 4, wherein: the limiting piece is arranged into a sliding block (511), and the sliding block (511) comprises a horizontal bar and a vertical bar which are horizontally arranged; the circular truncated cone (8) is provided with a sliding groove (82) matched with the sliding block (511) in a sliding mode along the generatrix direction of the circular truncated cone.
6. A building ventilation system commissioning system according to claim 5, wherein: the driving assembly comprises a servo motor (9) arranged on the first mounting plate (6) and a screw rod (91) coaxially and fixedly connected with the servo motor (9); the end part of the circular truncated cone (8) is provided with a threaded hole (80) which is used for the screw thread adaptation of the screw (91) along the axial direction of the screw (91).
7. A building ventilation system commissioning system according to claim 6, wherein: the limiting part is a baffle (83) fixedly connected to the circular truncated cone (8), and the baffle (83) is located at the notches at the two sides of the sliding groove (82).
8. A building ventilation system commissioning system according to claim 7 wherein: a sealing structure is arranged between the shielding sheets (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222237741.4U CN218209937U (en) | 2022-08-24 | 2022-08-24 | Building ventilation system debugging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222237741.4U CN218209937U (en) | 2022-08-24 | 2022-08-24 | Building ventilation system debugging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218209937U true CN218209937U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222237741.4U Active CN218209937U (en) | 2022-08-24 | 2022-08-24 | Building ventilation system debugging system |
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| Country | Link |
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| CN (1) | CN218209937U (en) |
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2022
- 2022-08-24 CN CN202222237741.4U patent/CN218209937U/en active Active
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