A ventilation device and method for a shelter

Abstract

The present invention discloses a ventilation device and method for a square cabin, and relates to the field related to an isolation square cabin, including an adjustable ventilation box, a partition net, a shielding mechanism and a chute. The present invention is provided with four groups of air chambers at the left end of the adjustable ventilation box, each group is independent, the two middle groups are air chambers for normal flow rate exhaust and blowing, and the upper and lower ends are air chambers for high flow rate exhaust and blowing, and the exhaust fan and the hair dryer are used for ventilation. When the four groups work synchronously, high-speed ventilation is performed, and the shielding mechanism at the right end of the adjustable ventilation box can be used to shield the upper and lower position partition nets for low flow rate ventilation, and a synchronous swing mechanism is provided inside the adjustable ventilation box, and the synchronous swing mechanism can realize the reverse reciprocating adjustment of the upper and lower positions of the exhaust and blowing positions, so as to increase the flow rate inside the square cabin and improve the ventilation efficiency.

Description

Technical Field

[0001] The present invention relates to the field related to isolation cabins, and in particular to a ventilation device and method for use in isolation cabins. Background Art

[0002] An isolation cabin is a temporary medical facility that is quickly built during an epidemic, specifically used to isolate and treat a large number of infectious disease patients. They usually adopt a modular design, can be deployed in a short period of time, and are equipped with complete medical and living facilities, such as beds, ventilators, monitoring equipment, and toilets. The independent unit design of the isolation cabin can effectively prevent cross-infection and ensure that patients will not pose a risk of infection to the outside world while receiving treatment. These facilities provide efficient and safe solutions for public health emergencies, and special ventilation devices need to be installed inside them to achieve stable ventilation.

[0003] The existing technology has the following problems in actual use: the exhaust and blowing positions are fixed, resulting in a fixed flow rate inside the cabin, and high-speed and low-speed ventilation are controlled by fans, but the opening position is too large and prone to leakage, and the partition nets need to be cleaned manually regularly, which is labor-intensive. Summary of the invention

[0004] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a ventilation device and method for a cabin.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a ventilation device and method for a cabin, comprising an adjustable ventilation box that can be embedded into the inner side of the cabin, four groups of partition nets are arranged on the left end of the front end surface of the adjustable ventilation box, and a slide groove for connecting a shielding mechanism is opened in the middle of the adjustable ventilation box, and the shielding mechanism can shield and clean the upper and lower groups of the partition nets.

[0006] Preferably, the shielding mechanism includes a sliding bar movably embedded in the sliding groove, a pull rod connected to the front end of the sliding bar, a linkage rod penetrated by the pull rod, two sets of connecting parts connecting the upper and lower positions of the linkage parts, and a shield connected to the back of the connecting parts. The upper left end of the upper shield and the lower left end of the lower shield are respectively hinged to the adjustable ventilation box.

[0007] Preferably, the linkage rod is provided with a strip groove at both ends, and the connecting piece is movably embedded in the strip groove.

[0008] Preferably, the baffle is provided with brushes, suction grooves communicating with the interior of the baffle are opened between the brushes, and connecting holes are opened at the corners of the front end surface of the baffle, and the connecting holes are communicated with the interior of the baffle.

[0009] Preferably, the adjustable ventilation box includes a box body with four groups of air cavities and corresponding partition nets at the left end, air outlets arranged at the left ends of the two middle groups of air cavities, a synchronous swing mechanism arranged at the left end of the middle part of the box body, a driving motor connected to the synchronous swing mechanism, two groups of swing components connected at the upper and lower positions of the synchronous swing mechanism, a fan connected to the back of the swing component, and a high-efficiency filter net arranged inside the fan, the fan at the upper end is an exhaust fan, and the fan at the lower end is a hair dryer.

[0010] Preferably, the synchronous swing mechanism includes a first support block with a shaft rod provided in the inner middle part and the back side of the shaft rod connected to the output shaft of the driving motor, a rotating part connected to the front end of the shaft rod, a connecting rod hinged to the other end of the rotating part, a sliding block hinged to the other end of the connecting rod, a threaded rod threadedly connected to the middle of the sliding block, a swing arm connecting the threaded rod and the sliding block, a second support block arranged in front of the swing arm, a lower connecting shaft passing through the second support block and connected to the swing arm, a follower arranged at the top of the swing arm, a third support block arranged in front of the follower, an upper connecting shaft passing through the third support block and connected to the follower, a toggle column connected to the follower, and a follower plate connected to the toggle column at the upper end and connected to the swing arm at the lower end, the lower connecting shaft is connected to the swing assembly at the lower end, the upper connecting shaft is connected to the swing assembly at the upper end, and the first support block, the second support block and the third support block are all connected to the box.

[0011] Preferably, a square groove is opened at the lower inner end of the swing arm, the inner side of the square groove matches the sliding block, and the bottom of the threaded rod passes through the bottom of the swing arm.

[0012] Preferably, the follower is triangular in shape, a shifting groove is provided in the middle of one corner, and the shifting post extends into the shifting groove.

[0013] Preferably, the swing assembly includes an elastic air duct connected to the fan, a fixing ring arranged at the front end of the elastic air duct, and a swing piece connected to the outside of the fixing ring and having a lower end connected to the upper connecting shaft or the lower connecting shaft.

[0014] Preferably, the specific steps are as follows:

[0015] S1 Installation: Install the ventilation device to the designated installation location in the shelter;

[0016] S2 Rapid Ventilation: Start the upper exhaust fan, the lower blower, and the other two sets of exhaust fans and blowers connected to the two wind cavities in the middle. The four sets of fans work synchronously for rapid ventilation.

[0017] S3 flow rate adjustment: start the drive motor, the drive motor drives the shaft rod to make the rotating part start to rotate, the rotating part drives the slider to drive the swing arm to swing during the rotation process, when the swing arm swings, it drives the follower plate connected to the back to swing, the toggle column on the follower plate toggle the follower, the swing arm and the follower swing to opposite positions, the internal connecting shaft drives the swing components at both ends to swing synchronously in the opposite direction, the swing component inside the component drives the fixed ring to change the position of the elastic air duct, realize the reciprocating adjustment of the upper exhaust position and the lower blowing position, and improve the air flow rate in the cabin;

[0018] S4 conventional low-speed ventilation: turn off the fans at the upper and lower ends, and only make the middle air cavity work. Apply force to pull the pull rod to drive the slider to slide. During the sliding process, the linkage rod cooperates with the strip groove to move the upper and lower shutters. The two sets of shutters cover the upper and lower partitions, leaving only the two sets of middle air cavities exposed for ventilation.

[0019] S5 screen cleaning: Pull the rod to make the brush on the back of the shield scrape the screen. The dust passes through the suction groove to the connecting hole and is sucked out by the external extraction device to complete the cleaning.

[0020] Beneficial effects of the present invention:

[0021] The present invention arranges four groups of air cavities at the left end of the adjustable ventilation box, each group is independent, the two middle groups are air cavities for exhaust and blowing at normal flow rates, and the upper and lower ends are air cavities for exhaust and blowing at high flow rates, and cooperate with an exhaust fan and a hair dryer to perform ventilation work. High-speed ventilation is performed when the four groups work synchronously, and the shielding mechanism at the right end of the adjustable ventilation box can shield the upper and lower position partitions to perform low-flow rate ventilation, and a synchronous swing mechanism is arranged inside the adjustable ventilation box, which can realize the reverse reciprocating adjustment of the upper and lower positions of exhaust and blowing, so as to increase the flow rate inside the cabin and improve the ventilation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] Figure 2 It is a schematic diagram of the structure of the shielding mechanism of the present invention;

[0024] Figure 3 It is a schematic diagram of the shield structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the adjustable ventilation box of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the synchronous swing mechanism of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the synchronous swing mechanism of the present invention from another perspective;

[0028] Figure 7 It is a schematic diagram of the structure of the swing assembly of the present invention.

[0029] Among them: adjustable ventilation box-1, partition-2, shielding mechanism-3, slide groove-4, slide bar-31, pull rod-32, linkage rod-33, connector-34, baffle-35, connecting hole-35a, suction groove-35b, brush-35c, box body-11, air outlet-12, synchronous swing mechanism-13, drive motor-14, swing assembly-15, fan-16, high-efficiency filter-17, first support block-131, rotating part-132, connecting rod-133, slider-134, threaded rod-135, swing arm-136, second support block-137, lower connecting shaft-138, follower-139, third support block-1310, upper connecting shaft-1311, toggle column-1312, follower plate-1313, elastic air duct-151, fixing ring-152, and pendulum-153. DETAILED DESCRIPTION

[0030] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0031] See also Figure 1 The present invention provides a ventilation device for a cabin, comprising an adjustable ventilation box 1 that can be embedded in the inner side of the cabin, four groups of partition nets 2 are sequentially embedded in the left end of the front end surface of the adjustable ventilation box 1, a slide groove 4 is opened in the middle of the adjustable ventilation box 1, and the right end of the slide groove 4 is connected to a shielding mechanism 3, and the upper and lower positions of the shielding mechanism 3 are respectively connected to the front end of the adjustable ventilation box 1.

[0032] See also Figure 2-Figure 3 The shielding mechanism 3 includes a slide bar 31 movably embedded in the slide groove 4, a pull rod 32 is fixed to the middle of the front end of the slide bar 31, the front end of the pull rod 32 passes through the linkage rod 33, and the linkage rod 33 has a strip groove at both ends, and a connector 34 is movably embedded in the strip groove. The back of the connector 34 is fixed to the shield plate 35, and the upper left end of the upper shield plate 35 and the lower left end of the lower shield plate 35 are respectively hinged to the adjustable ventilation box 1;

[0033] Brushes 35c are arranged in an array on the back of the baffle 35, and suction grooves 35b connected to the inside of the baffle 35 are opened between the brushes 35c. Connecting holes 35a are opened at the corners of the front end surface of the baffle 35, and the connecting holes 35a are connected to the inside of the baffle 35 and can be connected to external extraction equipment.

[0034] See also Figure 4The adjustable ventilation box 1 includes a box body 11, and four groups of air cavities are vertically opened at the left end of the box body 11, which are not connected to each other and are shielded by the corresponding four groups of partition nets 2. The left ends of the two middle groups of air cavities are provided with air outlets 12 that can be connected to external air inlet and outlet equipment. A synchronous swing mechanism 13 is installed in the middle of the left rear end of the box body 11, and a driving motor 14 is connected to the right end of the back of the synchronous swing mechanism 13. A swing component 15 for connecting the synchronous swing mechanism 13 is arranged inside the upper and lower groups of air cavities, and the back of the swing component 15 is connected to the front end of the fan 16. A high-efficiency filter net 17 is embedded in the opening position of the fan 16 for high-efficiency filtration. The upper fan 16 is an exhaust fan, and the lower fan 16 is a hair dryer.

[0035] See also Figure 5-Figure 6 The synchronous swing mechanism 13 includes a first support block 131 for support. A shaft connected to the output shaft of the driving motor 14 is arranged in the middle of the first support block 131. The front end of the shaft is connected to a rotating member 132. The other end of the rotating member 132 is hinged to a connecting rod 133. The other end of the connecting rod 133 is hinged to a slider 134. The middle of the slider 134 is threadedly connected to a threaded rod 135. The threaded rod 135 and the slider 134 are arranged at the lower end of a swing arm 136. A square groove is provided at the lower end of the swing arm 136. The inner side of the square groove matches the slider 134. The bottom of the threaded rod 135 passes through the bottom of the swing arm 136. The position of the slider 134 can be adjusted by rotating the threaded rod 135. The upper end of the swing arm 136 is connected to a lower connecting shaft 138. The lower connecting shaft 138 The middle part of the second support block 137 for support and fixation passes through, the lower connecting shaft 138 is connected to the swing assembly 15 at the lower end, the top of the swing arm 136 is in contact with the follower 139, the follower 139 is triangular, and a toggle groove is provided in the middle of one corner, the middle part of the follower 139 is connected to the upper connecting shaft 1311, the middle part of the upper connecting shaft 1311 passes through the third support block 1310 for support, the upper connecting shaft 1311 is connected to the swing assembly 15 at the upper end, the toggle column 1312 is movably embedded in the toggle groove, the other end of the toggle column 1312 is fixed to the upper end of the follower plate 1313, the lower end of the follower plate 1313 is connected to the swing arm 136, the lower end of the swing arm 136 is provided with an arc groove, and the inside of the arc groove is movably embedded in the guide column fixed to the back of the swing arm 136;

[0036] The first support block 131 , the second support block 137 and the third support block 1310 are all connected to the box body 11 through auxiliary support members.

[0037] See also Figure 7 The swing component 15 includes an elastic air duct 151 connected to the fan 16. A fixing ring 152 is provided at the front end of the elastic air duct 151. The lower end of the outer side of the fixing ring 152 is connected to a swing piece 153. The swing piece 153 can swing the fixing ring 152. The lower end of the inner side of the swing piece 153 is connected to a connecting shaft.

[0038] The specific implementation process is as follows:

[0039] When the ventilation device needs to be used, it is first installed at the location where it needs to be installed in the cabin, and then the two sets of fans 16 inside are started. The upper fan 16 is an exhaust fan, and the lower fan 16 is a blower. In conjunction with the other two sets of exhaust fans and blowers connected to the air outlets 12 in the two sets of wind cavities in the middle, rapid ventilation can be started.

[0040] If the air velocity inside the cabin needs to be increased, the drive motor 14 is started to work, and the drive motor 14 drives the shaft to rotate the rotating member 132. During the rotation process, the rotating member 132 can drive the slider 134 to drive the swing arm 136 to swing. When the swing arm 136 swings, it can drive the follower plate 1313 connected to the back to follow the swing, and the follower 139 is toggled by the toggle column 1312 above it, and the swing arm 136 can swing to the opposite position with the follower 139. At the same time, the connecting shaft inside the two can drive the swing components 15 at both ends to swing synchronously in the opposite direction, and the swing component 153 inside the component can drive the fixing ring 152 to change the position of the elastic air duct 151, so as to realize the reciprocating adjustment of the upper exhaust position and the lower blowing position, thereby increasing the air velocity inside the cabin;

[0041] If conventional low-speed ventilation is required, force can be applied to pull the pull rod 32, and the pull rod 32 slides with the slide bar 31. During the sliding process, the linkage rod 33 cooperates with the internal strip groove to move the upper and lower shields 35. The two sets of shields 35 can cover the upper and lower partitions 2, exposing only the two sets of wind cavities in the middle, and ventilation is performed through the two sets of air outlets 12;

[0042] Since the flow rate of the upper and lower partition nets 2 is high, dust or impurities are easily accumulated and need to be cleaned. The pull rod 32 can be pulled back and forth so that the brush on the back of the baffle 35 can scrape the partition net 2. The dust can be extracted from the suction groove 35b to the connecting hole 35a by the external extraction equipment to complete the cleaning.

[0043] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A ventilation device for a shelter, characterized in that: It includes an adjustable ventilation box that can be embedded in the inner side of the cabin, four groups of partition nets are arranged on the left end of the front end face of the adjustable ventilation box, a slide groove for connecting the shielding mechanism is opened in the middle of the adjustable ventilation box, and the shielding mechanism can shield and clean the upper and lower groups of the partition nets, and the shielding mechanism includes a slide bar that is movably embedded in the slide groove, a pull rod connecting the front end of the slide bar, a linkage rod penetrated by the pull rod, two groups of connecting parts connecting the upper and lower positions of the linkage parts, and a shield plate connecting the back of the connecting parts, the upper left end of the upper shield plate and the lower left end of the lower shield plate are respectively hinged to the adjustable ventilation box, and the upper and lower ends of the linkage rod are respectively provided with a strip groove, and the connecting parts are movably embedded in the strip groove. The baffle is provided with a brush, and a suction groove communicating with the inside of the baffle is opened between the brushes. A connecting hole is opened at the corner position of the front end surface of the baffle, and the connecting hole is communicated with the inside of the baffle. The adjustable ventilation box includes a box body with four groups of air cavities opened at the left end of the interior and corresponding to the partition net, an air outlet arranged at the left end of the two groups of air cavities in the middle, a synchronous swing mechanism arranged at the left end of the middle part of the box body, a driving motor connected to the synchronous swing mechanism, two groups of swing components connected at the upper and lower positions of the synchronous swing mechanism, a fan connected to the back of the swing component, and a high-efficiency filter arranged inside the fan, the fan at the upper end is an exhaust fan, and the fan at the lower end is a hair dryer; The synchronous swing mechanism includes a first support block with a shaft rod provided in the middle part and the back side of the shaft rod connected to the output shaft of the driving motor, a rotating part connected to the front end of the shaft rod, a connecting rod hinged to the other end of the rotating part, a sliding block hinged to the other end of the connecting rod, a threaded rod threadedly connected to the middle part of the sliding block, a swing arm connecting the threaded rod and the sliding block, a second support block arranged in front of the swing arm, a lower connecting shaft penetrating the second support block and connected to the swing arm, a follower arranged at the top of the swing arm, a third support block arranged in front of the follower, an upper connecting shaft penetrating the third support block and connected to the follower, a toggle column connected to the follower, and a follower plate connected to the toggle column at the upper end and connected to the swing arm at the lower end, the lower connecting shaft is connected to the swing assembly at the lower end, the upper connecting shaft is connected to the swing assembly at the upper end, and the first support block, the second support block and the third support block are all connected to the box body; A square groove is provided at the lower end of the swing arm, the inner side of the square groove matches the slider, and the bottom of the threaded rod passes through the bottom of the swing arm; The follower is triangular in shape, with a toggle groove in the middle of one corner, and the toggle post extends into the toggle groove; The swing component includes an elastic air duct connected to the fan, a fixing ring arranged at the front end of the elastic air duct, and a swing piece connected to the outer side of the fixing ring and having the lower end connected to the upper connecting shaft and the lower connecting shaft.

2. A ventilation method for a shelter, which is applied to a ventilation device for a shelter as claimed in claim 1, characterized in that: The specific steps are as follows: S1 Installation: Install the ventilation device to the designated installation location in the shelter; S2 Rapid Ventilation: Start the upper exhaust fan, the lower blower, and the other two sets of exhaust fans and blowers connected to the two wind cavities in the middle. The four sets of fans work synchronously for rapid ventilation. S3 flow rate adjustment: start the drive motor, the drive motor drives the shaft rod to make the rotating part start to rotate, the rotating part drives the slider to drive the swing arm to swing during the rotation process, when the swing arm swings, it drives the follower plate connected to the back to swing, the toggle column on the follower plate toggle the follower, the swing arm and the follower swing to opposite positions, the internal connecting shaft drives the swing components at both ends to swing synchronously in the opposite direction, the swing component inside the component drives the fixed ring to change the position of the elastic air duct, realize the reciprocating adjustment of the upper exhaust position and the lower blowing position, and improve the air flow rate in the cabin; S4 conventional low-speed ventilation: turn off the fans at the upper and lower ends, and only make the middle air cavity work. Apply force to pull the pull rod to drive the slider to slide. During the sliding process, the linkage rod cooperates with the strip groove to move the upper and lower shutters. The two sets of shutters cover the upper and lower partitions, leaving only the two sets of middle air cavities exposed for ventilation. S5 screen cleaning: Pull the rod to make the brush on the back of the shield scrape the screen. The dust passes through the suction groove to the connecting hole and is sucked out by the external extraction device to complete the cleaning.

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