CN113048610B - Vortex ring wind curtain wall - Google Patents
Vortex ring wind curtain wall Download PDFInfo
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- CN113048610B CN113048610B CN202110337684.4A CN202110337684A CN113048610B CN 113048610 B CN113048610 B CN 113048610B CN 202110337684 A CN202110337684 A CN 202110337684A CN 113048610 B CN113048610 B CN 113048610B
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- vortex ring
- driving shaft
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- curtain wall
- rotating shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 13
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F9/00—Use of air currents for screening, e.g. air curtains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a vortex ring wind curtain wall, which comprises an air supply device, a driving device, an intermittent transmission device and wind curtain wall cutting devices, wherein the air supply device comprises a plurality of pairs of vortex ring flow passages which are sequentially arranged at intervals along a straight line L, the vortex ring flow passages are in two rows of parallel straight line arrangement, each vortex ring flow passage is correspondingly provided with one wind curtain wall cutting device, the driving device is respectively connected with each wind curtain wall cutting device through the intermittent transmission device, and the two rows of vortex ring flow passages are respectively cut off or ventilated alternately. The invention realizes the continuous and alternate vortex ring wind curtain wall.
Description
Technical Field
The invention relates to the technical field of hydrodynamics, in particular to a vortex ring wind curtain wall.
Background
The existing vortex ring generating device mainly generates the vortex rings one by one intermittently, a reasonable structure is not designed, a plurality of vortex rings are generated at one time without the device to form a vortex ring wind curtain wall, surrounding gas can be locked into the vortex ring for directional transportation due to the main entrainment characteristic of the vortex rings, gas diffusion can be effectively prevented, the energy consumption for generating the vortex rings is low, and the device meets the national energy conservation and emission reduction purposes.
Disclosure of Invention
The invention aims to solve the technical problem of providing the vortex ring wind curtain wall for realizing the continuous and alternate vortex ring wind curtain wall aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a vortex ring wind curtain, includes air supply arrangement, drive arrangement, intermittent drive arrangement and wind curtain cuts the device, and air supply arrangement includes along line L interval arrangement's many pairs of vortex ring runners in proper order vortex ring runner, and many pairs of vortex ring runners are two lines of parallel straight line arrangement's vortex ring runner, and every vortex ring runner all corresponds and is provided with a wind curtain and cuts the device, and drive arrangement cuts the device through intermittent drive arrangement with each wind curtain respectively and is connected, cuts or ventilates two lines of vortex ring runner in turn respectively.
According to the technical scheme, a heater, a temperature sensor, a filter and a differential pressure sensor are sequentially arranged in each vortex ring flow passage from bottom to top.
According to the technical scheme, the temperature sensor and the differential pressure sensor are respectively arranged at the upper end positions of the heater and the filter, data are convenient to read, the temperature sensor and the differential pressure sensor are connected with the MCU terminal, and the MCU terminal is connected with the GPRS wireless communication module.
According to the technical scheme, the wind curtain wall cutting device comprises a piston and a piston connecting rod, wherein an air inlet is formed in the side wall of the vortex ring runner, the piston is arranged in the vortex ring runner, one end of the piston connecting rod is hinged with the piston, the other end of the piston connecting rod is connected with the intermittent transmission device, the intermittent transmission device drives the piston to move back and forth along the vortex ring runner, when the piston moves upwards to the upper part of the air inlet of the vortex ring runner along the vortex ring runner, external air enters the vortex ring runner, and when the piston moves downwards to the lower part of the air inlet of the vortex ring runner along the vortex ring runner, gas in the vortex ring runner is cut off, and the pistons in the two lines of vortex ring runners alternately cut off or ventilate the vortex ring runner.
According to the technical scheme, the driving device comprises a stepping motor and a main driving shaft, the main driving shaft is arranged along a straight line L, the stepping motor is connected with one end of the main driving shaft, a plurality of driving gears are sequentially sleeved on the main driving shaft at intervals, and the number of the driving gears is consistent with that of the intermittent transmission devices;
the number of the intermittent transmission devices is consistent with the logarithm of the vortex ring runners and the intermittent transmission devices are arranged in a one-to-one correspondence manner, each intermittent transmission device comprises a sub-driving shaft, a cross arm and a shell bracket, two vortex ring runners in each pair of vortex ring runners are respectively arranged on two sides of the main driving shaft, the cross arm is arranged on the shell bracket through a rotating shaft and can rotate around the rotating shaft, two ends of the cross arm are respectively hinged with piston connecting rods on two sides of the cross arm, the sub-driving shaft is sleeved with a sub-driving shaft gear, the sub-driving shaft gear is meshed with the corresponding driving gear, the cross arm is connected with the sub-driving shaft, and the cross arm intermittently rotates along with the sub-driving shaft;
in each pair of swirl flow passages, the piston in one of the swirl flow passages is lighter than the piston in the other swirl flow passage.
According to the technical scheme, the intermittent transmission device further comprises a rotary shell, a pressing switch, a driving lever and a rotary shaft, wherein the cross arm is fixedly connected with the rotary shell (the cross arm is divided into two sections and respectively arranged on two sides of the rotary shell), the driving lever is arranged in the rotary shell, a fulcrum of the driving lever is fixedly arranged on the rotary shell, the pressing switch is connected with one end of the driving lever, the rotary shaft is connected with the other end of the driving lever, the rotary shaft is arranged along the axis of the sub-driving shaft, the rotary shaft is axially and slidably connected with the rotary shell, the rotary shell rotates along with the rotary shaft, and the rotary shaft can move back and forth along the axial direction of the rotary shaft relative to the rotary shell; a reset spring is connected between the rotating shaft and the rotating shell; the rotating shaft can rotate along with the sub-driving shaft when the rotating shaft moves outwards to be connected with the sub-driving shaft, and the rotating shaft does not rotate along with the sub-driving shaft when the rotating shaft moves inwards to be disconnected with the sub-driving shaft;
the sub-driving shaft is provided with a fixed pressing rod which is arranged between the sub-driving shaft gear and the pressing switch.
According to the technical scheme, the stepping motor drives the main driving shaft to rotate, the main driving shaft drives the rotor driving shaft to rotate through the sub driving shaft gear, when the fixed pressing rod rotates to the pressing switch along with the sub driving shaft, the pressing switch presses inwards, the rotating shaft is ejected outwards through the driving lever, the rotating shaft moves outwards to be connected with the sub driving shaft and rotates along with the sub driving shaft, the rotating shaft drives the rotating shell and the cross arm to rotate, and the cross arm drives the pistons on the lighter side to move downwards to the lower side of the air inlet along the corresponding vortex ring flow channel through the piston connecting rod and drives the pistons on the heavier side to move upwards to the upper side of the air inlet along the corresponding vortex ring flow channel; after the fixed pressing rod rotates along with the sub-driving shaft to leave the pressing switch, the pressing switch loses pressing external force, the reset spring drives the sub-driving shaft to move inwards and be disconnected with the sub-driving shaft, the reset force of the reset spring drives the sub-driving shaft to reversely eject and reset the pressing switch through the driving lever, the piston on the heavier side moves downwards to the lower side of the air inlet along the corresponding vortex ring runner due to the action of self gravity, and the piston on the lighter side is pulled by the cross arm to move upwards to the upper side of the air inlet along the corresponding vortex ring runner.
According to the technical scheme, the rotating shaft is connected with the guide frame, the rotating shell is provided with the guide groove, the guide groove is arranged in parallel with the axis of the rotating shaft, the two ends of the guide frame are arranged in the guide groove, and the rotating shaft moves back and forth along the guide groove through the guide frame.
According to the technical scheme, the outer end of the rotating shaft is provided with the power transmission surface, and the power transmission surface and the inner end surface of the sub-driving shaft are provided with the friction surface or the engagement surface.
According to the technical scheme, the air supply device further comprises a vortex ring air curtain wall shell and a vortex ring air curtain wall shell cover, wherein the driving device, the intermittent transmission device and the air curtain wall cutting device are all arranged in the vortex ring air curtain wall shell, the vortex ring air curtain wall shell cover is arranged at the upper end of the vortex ring air curtain wall shell, a plurality of air inlets are arranged on the vortex ring air curtain wall shell cover at intervals along a straight line L, an axial flow fan is arranged at the air inlet, and the air inlets are arranged above all vortex ring runners;
the output end of each vortex ring runner is connected with a tapered nozzle.
The invention has the following beneficial effects:
the invention forms the vortex ring wind curtain wall by continuously and uninterruptedly supplying air and generating a plurality of vortex rings at one time, thereby realizing the continuously and alternately vortex ring wind curtain wall.
Drawings
FIG. 1 is a schematic view of a vortex ring air curtain wall in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the inner vortex ring wind curtain wall of the vortex ring wind curtain wall housing in an embodiment of the present invention;
FIG. 3 is a schematic view of the connection structure of the driving device, intermittent transmission device and wind curtain wall cutting device in the embodiment of the invention;
FIG. 4 is a schematic view of the structure of an intermittent drive device in a rotary housing according to an embodiment of the present invention;
FIG. 5 is a schematic view of a rotary housing according to an embodiment of the present invention;
FIG. 6 is an exploded view of FIG. 4;
FIG. 7 is a schematic view of a structure of a rotating shaft according to an embodiment of the present invention;
FIG. 8 is a schematic view of the structure of a neutron drive shaft according to an embodiment of the invention;
FIG. 9 is a view in the A direction of FIG. 3;
FIG. 10 is a schematic view of the structure of a housing cover of a vortex ring wind curtain wall in an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of a housing of a vortex ring wind curtain wall in an embodiment of the present invention;
FIG. 12 is a schematic view of the structure of a rotary housing cover in an embodiment of the invention;
in the figure, a 1-vortex ring wind curtain wall shell cover, a 2-axial fan, a 3-rotary shell, a 4-vortex ring wind curtain wall shell, a 5-sub driving shaft, a 6-piston connecting rod, a 7-main driving shaft, an 8-piston, a 9-piston guide rail, a 10-differential pressure sensor, an 11-filter, a 12-temperature sensor, a 13-heater, a 14-tapered nozzle, a 15-stepping motor, a 16-push switch, a 17-drive lever, an 18-rotary shaft, a 19-reset spring, a 20-shell bracket, a 21-MCU processing terminal, a 22-GPRS wireless communication module and a 23-rotary shell cover;
301-a push switch movement groove, 302-a driving lever rotation groove, 303-a second friction rotation shaft movement groove, 304-a boss, 305-a cross arm, 306-a piston connecting rod rotation groove, 307-a connecting through hole, 308-a first friction rotation shaft movement groove;
401-a piston guide rail mounting groove, 402-a vortex ring runner, 403-a friction rotary shell bracket mounting groove, 404-a vortex ring wind curtain wall shell cover mounting boss, 405-a stepping motor fixing bracket, 406-a driving device mounting groove and 407-an electric control module mounting groove;
501-a sub-driving shaft gear, 502-a fixed pressing rod, 503-a third section driving shaft end face; 701-a drive gear;
1801-friction surface, 1803-journal, 1804-guide frame.
Detailed Description
The invention will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 to 12, the vortex ring wind curtain wall in one embodiment provided by the invention comprises a wind supply device, a driving device, an intermittent transmission device and a wind curtain wall cutting device, wherein the wind supply device comprises a plurality of pairs of vortex ring runners which are sequentially arranged at intervals along a straight line L, the plurality of pairs of vortex ring runners are a plurality of vortex ring runners which are sequentially arranged at intervals along two parallel straight lines, each vortex ring runner is correspondingly provided with a wind curtain wall cutting device, the driving device is respectively connected with each wind curtain wall cutting device through the intermittent transmission device, and alternately cuts or ventilates the two rows of vortex ring runners respectively; the two rows of turbine runners alternately form a vortex ring wind curtain wall.
The air supply device comprises a vortex ring air curtain wall shell 4, a vortex ring air curtain wall shell cover 1, a filter 11, a heater 13, a differential pressure sensor 10, a temperature sensor 12, an MCU processing terminal 21, a GPRS wireless communication module 22, an axial flow fan 2 and a convergent nozzle 14. The rectifying plate is arranged in a flow passage of the vortex ring wind curtain wall shell 4, and the axial flow fan 2 is arranged on the top cover of the vortex ring wind curtain wall shell.
Eight vortex ring runners are uniformly distributed in the vortex ring wind curtain wall shell 4, eight annular mounting protrusions are arranged on the lower bottom surface of the vortex ring wind curtain wall shell 4, and the annular mounting protrusions and the vortex ring runners are coaxial and have the same inner diameter. The inner diameter of the tapered spout 14 is slightly larger than the outer diameter of the annular projection, and the two are connected through nesting. The vortex ring wind curtain wall shell 4 is internally provided with a driving device mounting groove, an electric control module mounting groove, a driving device fixing bracket, a stepping motor fixing bracket, a friction rotating shell bracket mounting groove and a vortex ring wind curtain wall shell cover mounting boss.
Further, a heater 13, a temperature sensor 12, a filter 11 and a differential pressure sensor 10 are arranged in each vortex ring flow passage from bottom to top in sequence.
Further, the temperature sensor 12 and the differential pressure sensor 10 are respectively arranged at the positions close to the upper ends of the heater 13 and the filter 11, so that data can be conveniently read, the temperature sensor 12 and the differential pressure sensor 10 are connected with an MCU terminal, and the MCU terminal is connected with a GPRS wireless communication module 22; MCU terminal and GPRS wireless communication module 22 are installed in the automatically controlled module mounting groove of vortex ring wind curtain wall housing 4 side jointly.
Further, the wind curtain wall cutting device comprises a piston 8 and a piston connecting rod 6, an air inlet is formed in the side wall of the vortex ring runner (the air inlet is formed in the inlet end of the vortex ring runner), the piston 8 is arranged in the vortex ring runner, one end of the piston connecting rod 6 is hinged to the piston 8, the other end of the piston connecting rod 6 is connected with an intermittent transmission device, the intermittent transmission device drives the piston 8 to move back and forth along the vortex ring runner, when the piston 8 moves upwards to the upper side of the air inlet of the vortex ring runner along the vortex ring runner, external air enters the vortex ring runner, when the piston 8 moves downwards to the lower side of the air inlet of the vortex ring runner along the vortex ring runner, the air in the vortex ring runner is cut off, and the pistons 8 in the two rows of vortex ring runners alternately cut off or ventilate the vortex ring runner.
Further, the outer diameter of the piston 8 is slightly smaller than the inner diameter of the vortex ring runner in the vortex ring wind curtain wall shell 4, so that the piston 8 can make linear motion along the runner wall in the runner and can intercept gas. The piston guide rail 9 is a cylindrical hollow pipeline with the inner diameter the same as that of the vortex ring runner in the vortex ring wind curtain wall shell 4, and two rectangular air inlets are formed in the side face of the cylindrical hollow pipeline and are installed in the vortex ring wind curtain wall shell 4 in a nested mode. The middle of the piston connecting rod 6 is a cuboid connecting rod, and two ends of the piston connecting rod are cylindrical rotating shafts.
Further, the driving device comprises a stepping motor 15 and a main driving shaft 7, the main driving shaft 7 is arranged along a straight line L, the stepping motor 15 is connected with one end of the main driving shaft 7, a plurality of driving gears are sequentially sleeved on the main driving shaft at intervals, and the number of the driving gears is consistent with that of the intermittent transmission devices;
the number of the intermittent transmission devices is consistent with the logarithm of the vortex ring runners and the intermittent transmission devices are arranged in a one-to-one correspondence manner, each intermittent transmission device comprises a sub-driving shaft 5, a cross arm and a shell bracket 20, the shell brackets 20 are fixedly arranged, two vortex ring runners in each pair of vortex ring runners are respectively arranged on two sides of a main driving shaft 7, the cross arm is arranged on the shell bracket 20 through a rotating shaft and can rotate around the rotating shaft, two ends of the cross arm are respectively hinged with piston connecting rods 6 on two sides, a sub-driving shaft 5 gear is sleeved on the sub-driving shaft 5 and meshed with the corresponding driving gear, the cross arm is connected with the sub-driving shaft 5, and the intermittent transmission device rotates along with the sub-driving shaft 5;
in each pair of vortex ring runners, a piston in one vortex ring runner is lighter than a piston in the other vortex ring runner; the lighter side pistons of each pair of swirl ring runners are disposed in the swirl ring runners of the same row and the heavier side pistons are disposed in the swirl ring runners of the other row.
Further, the intermittent transmission device further comprises a rotary shell 3, a push switch 16, a driving lever 17 and a rotating shaft, wherein the cross arm is fixedly connected with the rotary shell 3 (the cross arm is divided into two sections, two sides of the rotary shell are respectively arranged), the rotating shaft is connected with the cross arm through the rotary shell 3, the driving lever 17 is arranged in the rotary shell 3, a fulcrum of the driving lever 17 is fixedly arranged on the rotary shell 3, the push switch 16 is connected with one end of the driving lever 17, the rotating shaft is connected with the other end of the driving lever 17, the rotating shaft is arranged along the axis of the sub-driving shaft 5, the rotating shaft is axially and slidably connected with the rotary shell 3, the rotary shell 3 rotates along with the rotating shaft, and the rotating shaft can move back and forth relative to the rotary shell 3 along the axial direction of the rotating shaft; a return spring 19 is connected between the rotating shaft and the rotating housing 3; the rotary shaft is rotatable with the sub-drive shaft 5 when the rotary shaft moves outwardly to be connected with the sub-drive shaft 5, and is not rotatable with the sub-drive shaft 5 when the rotary shaft moves inwardly to be disconnected with the sub-drive shaft 5;
the sub-drive shaft 5 is provided with a fixed pressing lever arranged between the sub-drive shaft gear and the pressing switch 16.
Further, the stepping motor drives the main driving shaft 7 to rotate, the main driving shaft 7 drives the rotor driving shaft to rotate through the sub driving shaft gear, when the fixed pressing rod rotates to the pressing switch 16 along with the sub driving shaft 5, the pressing switch 16 presses inwards, the pressing switch 16 ejects the rotating shaft outwards through the driving lever 17, the rotating shaft moves outwards to be connected with the sub driving shaft 5 and rotates along with the sub driving shaft 5, the rotating shaft drives the rotating shell 3 and the cross arm to rotate, and the cross arm drives the lighter side pistons to move downwards to the lower side of the air inlet along the corresponding vortex ring runner through the piston connecting rod 6 and drives the heavier side pistons to move upwards to the upper side of the air inlet along the corresponding vortex ring runner; when the fixed pressing rod rotates along with the sub driving shaft 5 to leave the pressing switch 16, the pressing switch 16 loses the pressing external force, the reset spring 19 drives the sub driving shaft 5 to move inwards to be disconnected with the sub driving shaft 5, the reset force of the reset spring 19 drives the sub driving shaft 5 to reversely eject and reset the pressing switch 16 through the driving lever 17, the piston on the heavier side moves downwards to the lower side of the air inlet along the corresponding vortex ring runner under the action of self gravity, and the piston on the lighter side is pulled by the cross arm to move upwards to the upper side of the air inlet along the corresponding vortex ring runner.
Further, the rotating shaft is connected with a guide frame, the rotating shell 3 is provided with guide grooves which are arranged in parallel with the axis of the rotating shaft, the guide grooves are arranged on two sides of the rotating shaft, two ends of the guide frame are arranged in the guide grooves, and the rotating shaft moves back and forth along the guide grooves through the guide frame.
Further, the outer end of the rotating shaft is provided with a power transmission surface, and the power transmission surface and the inner end surface of the sub-driving shaft 5 are provided with friction surfaces or engagement surfaces; when the power transmission surface and the inner end surface of the sub-drive shaft 5 are friction surfaces, the sub-drive shaft 5 transmits rotational power to the rotary shaft through the friction surfaces therebetween;
when the power transmission surface and the inner end surface of the sub-drive shaft 5 are engaged surfaces, the sub-drive shaft 5 transmits rotational power to the rotation shaft through the engagement therebetween; the two fit surfaces are two oppositely arranged fit blocks, so that mutual fit is formed, and the rotary power is conveniently transmitted.
Further, a boss is provided in the rotary housing 3, the boss is provided on both sides of the rotary shaft, and the guide groove is provided on the boss.
Further, the air supply device further comprises a vortex ring air curtain wall shell 4 and a vortex ring air curtain wall shell cover 1, the driving device, the intermittent transmission device and the air curtain wall cutting device are all arranged in the vortex ring air curtain wall shell 4, the vortex ring air curtain wall shell cover 1 is arranged at the upper end of the vortex ring air curtain wall shell 4, a plurality of air inlets are arranged on the vortex ring air curtain wall shell cover 1 at intervals along a straight line L, an axial flow fan 2 is arranged at the air inlet, and the air inlets are arranged above all vortex ring runners;
the output end of each vortex ring runner is connected with a tapered spout 14.
Further, the output end of the vortex ring runner extends out of the vortex ring wind curtain wall shell 4.
Further, the driving means and the intermittent transmission means constitute a friction driving means.
The working principle of the invention is as follows: referring to fig. 2, the left piston counterweight and the right piston counterweight of the wind curtain wall cutting device are different, so that when the wind curtain wall cutting device stands still, the heavy piston with heavy mass sinks to drive the piston connecting rod 6 to move downwards, the friction rotary shell 3 rotates around the friction rotary bracket 20 by a certain angle, and the light piston with light mass rises to open the air inlet along the piston guide rail 9. When the stepping motor 15 drives the main driving shaft 7 to rotate, the four gears 701 on the main driving shaft 7 drive the sub driving shaft gears 501 meshed with the gears 701, and then the sub driving shaft 5 rotates, in the rotating process, the fixed pressing rod 502 on the side surface of the second section cylinder of the sub driving shaft touches the pressing switch 16 arranged on the convex pressing switch 16 on the friction rotating shell cover 23, the pressing switch 16 moves linearly along the pressing switch moving groove 301 in the friction rotating shell 3 after being stressed, and then the acting force is transferred to the driving lever 17, the driving lever 17 rotates under stress, and then the journal 1803 of the driving friction rotating shaft moves linearly along the first friction rotating shaft moving groove 308, when the friction surface 1801 of the friction rotating shaft contacts the friction surface 503 of the sub driving shaft, the sub driving shaft 5 transmits torque to the friction rotating shaft 18, and then the friction rotating shell 3 rotates around the friction rotating bracket 20 under the action of the second friction rotating shaft moving groove 303, and then the heavy piston rises, the piston guide 9 is opened, the light piston moves downwards, the air inlet is closed, and the air flow is cut off. When the fixed pressing lever 502 on the sub-drive shaft 5 rotates by a certain angle and is no longer in contact with the pressing switch 16, the friction surface 1801 of the friction rotation shaft is separated from the sub-drive shaft friction surface 503 by the return spring 19, the torque transmission is stopped, and the sub-drive shaft 5 idles. Because the heavy piston is not influenced by external force, the heavy piston with larger mass sinks under the action of gravity, the air inlet is closed, and the air flow is cut off. The lighter weight light piston rises, opening the air inlet, causing the air flow to rush in. This is one movement cycle. A plurality of side-by-side vortex rings can be rapidly generated to form the wind curtain wall. In the vortex ring generating process, the axial flow fan 2 is connected with the MCU processing terminal 21, the differential pressure sensor 10 and the temperature sensor 12 are respectively output and connected with the MCU processing terminal 21, and the GPRS wireless communication module 22 is connected with terminal equipment (mobile phone) of a user. The user can send a remote control instruction to the MCU processing terminal 21 through the terminal equipment, and the MCU processing terminal 21 receives the instruction of the user through the wireless communication module 22 and correspondingly turns on or off the axial flow fan 2; after the axial flow fan 2 is started, the filter 11 and the heater 13 are started immediately, after the filter 11 is sterilized, disinfected and filtered, and the heater 13 is heated, the differential pressure sensor 10 monitors the differential pressure at two sides of the filter 11 in real time, the acquired differential pressure information is transmitted to the MCU processing terminal 21, the temperature sensor 12 acquires temperature information, the acquired information is transmitted to the MCU processing terminal 21, the MCU processing terminal 21 compares the differential pressure information, once the filter 11 is found to be blocked, the blocking information is transmitted to the terminal equipment of a user in time through the wireless communication module 22, the MCU processing terminal 21 transmits the temperature information to the terminal equipment of the user, the user is guaranteed to know the working condition and the environmental condition of the wind curtain wall in real time, and the MCU processing terminal 21 regulates and controls the actual operation of the axial flow fan 2, the filter 11 and the heater 13 according to the information acquired by the sensor, and the instruction sent by the user is adapted.
In one embodiment of the invention, referring to fig. 1 to 12, the novel vortex ring wind curtain wall in one embodiment provided by the invention comprises an air supply device, a friction driving device and wind curtain wall cutting devices, wherein the wind curtain wall cutting devices are arranged on two sides of the friction driving device, the two wind curtain wall cutting devices are arranged in the air supply device together, the friction driving device generates clockwise and anticlockwise alternate rotation under the action of a main driving shaft 7 of the friction driving device, and further pistons of the wind curtain wall cutting devices on two sides are driven to realize alternate conversion between cutting and ventilation of a flow passage. The intercepted gas is subjected to shearing forces from the nozzle as it passes through the converging nozzle 14, curling and creating a vortex ring.
Further, the air supply device comprises a vortex ring air curtain wall shell 4, a vortex ring air curtain wall shell cover 1, a filter 11, a heater 13, a differential pressure sensor 10, a temperature sensor 12, an MCU processing terminal 21, a GPRS wireless communication module 22, an axial flow fan 2 and a convergent nozzle 14. The axial flow fan 2 is arranged on the vent hole 102 of the vortex ring wind curtain wall shell cover 1, and the vortex ring wind curtain wall shell cover 1 is in nested installation connection with the vortex ring wind curtain wall shell installation boss 404 through the installation groove 103.
Further, eight vortex ring runners 402 are uniformly distributed in the vortex ring wind curtain wall shell 4, the inner diameter of the tapered nozzle 14 is slightly larger than the outer diameter of the vortex ring runners 402, and the two runners are connected through nesting. A driving device mounting groove 406, an electric control module mounting groove 407, a stepping motor fixing bracket 405, a friction rotary housing 3 bracket mounting groove 403, a piston guide rail mounting groove 401 and a vortex ring wind curtain wall housing cover mounting boss 404 are arranged in the vortex ring wind curtain wall housing 4.
Further, the eight runners 402 uniformly distributed in the vortex ring wind curtain wall shell 4 are internally provided with a heater 13, a temperature sensor 12, a filter 11 and a differential pressure sensor 10 from bottom to top in sequence. The temperature sensor 12 and the differential pressure sensor 10 are respectively arranged at the positions close to the upper ends of the heater 13 and the filter 11, so that data can be conveniently read. MCU processing terminal 21 and GPRS wireless communication module 22 are installed in electric control module mounting groove 407 of vortex ring wind curtain wall housing 4 side jointly.
Further, the wind curtain wall cutting device comprises a piston 8, a piston guide rail 9 and a piston connecting rod 6. The outer diameter of the piston 8 is slightly smaller than the inner diameter of the vortex ring runner 402 in the vortex ring wind curtain wall shell 4, so that the piston 8 can make linear motion along the runner wall in the runner 402 and can intercept gas. The piston guide rail 9 is a cylindrical hollow pipeline with the inner diameter the same as that of the vortex ring runner 402 in the vortex ring wind curtain wall shell 4, two rectangular air inlets are formed in the side face of the cylindrical hollow pipeline, and the cylindrical hollow pipeline is installed in the piston guide rail installation groove 401 of the vortex ring wind curtain wall shell in a nested manner. The middle of the piston connecting rod 6 is a cuboid connecting rod, and two ends of the piston connecting rod are cylindrical rotating shafts.
Further, the friction drive device includes a stepping motor 15, a main drive shaft 7, a sub drive shaft 5, a friction rotation housing 3, a friction rotation housing bracket 20, a friction rotation housing cover 23, a return spring 19, a friction rotation shaft 18, a push switch 16, and a drive lever 17. Four driving gears 701 are arranged on the main driving shaft 7, one end of the driving gears is provided with a driving groove, and a stepping motor shaft 15 is connected with the driving groove on the end face of the main driving shaft 7, so that the main driving shaft 7 is driven to rotate.
Further, the front end face of the friction rotary housing 3 is opened, the rear end face is provided with a connecting through hole 307 connected with the friction rotary housing bracket 20, two side faces are respectively provided with a cross arm 305, one end of the cross arm is provided with a piston connecting rod rotary groove 306, and the piston connecting rod rotary groove 306 is matched with a rotating shaft at one end of the piston connecting rod 6 to jointly form a revolute pair. The friction rotary housing 3 is provided with a driving lever rotary groove 302, a push switch movement groove 301, a first friction rotary shaft movement groove 308, and a second friction rotary shaft movement groove 303 provided on a boss 304, respectively. The driving lever 17 is installed in the driving lever rotating groove 302 to realize rotation, the pressing switch 16 is installed in the pressing switch moving groove 301 to perform linear motion, the friction rotating shaft 18 is allowed to perform linear motion under the restriction of the first friction rotating shaft moving groove 308, and when the friction rotating shaft 18 performs rotational motion, the friction rotating housing 20 is driven to perform rotational motion together under the restriction of the second friction rotating shaft moving groove 303.
Further, a through hole 2302 for mounting the sub-drive shaft is provided in the lower part of the friction rotation housing cover 23, and a through hole 2301 for mounting the push switch is provided in the upper part. The sub-driving shaft 5 is designed into three sections, the first section is provided with a cylindrical gear 501 meshed with the main driving shaft gear, the side surface of the second section is provided with a fixed pressing rod 502, and the end surface of the third section is provided with a friction surface 503 with a large friction coefficient.
The foregoing is merely illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a vortex ring wind curtain, its characterized in that includes air supply arrangement, drive arrangement, intermittent drive arrangement and wind curtain cuts the device, and air supply arrangement includes along line L a plurality of pairs of vortex ring runners of interval arrangement in proper order, and a plurality of pairs of vortex ring runners are for being two lines of parallel straight line arrangement's vortex ring runners, and every vortex ring runner corresponds to and is provided with a wind curtain and cuts the device, and drive arrangement cuts the device through intermittent drive arrangement with each wind curtain respectively and is connected, cuts or ventilates two lines of vortex ring runners in turn respectively;
the air curtain wall cutting device comprises a piston and a piston connecting rod, wherein an air inlet is formed in the side wall of the vortex ring flow channel, the piston is arranged in the vortex ring flow channel, one end of the piston connecting rod is hinged with the piston, the other end of the piston connecting rod is connected with an intermittent transmission device, the intermittent transmission device drives the piston to move back and forth along the vortex ring flow channel, when the piston moves upwards to the upper side of the air inlet of the vortex ring flow channel along the vortex ring flow channel, external air enters the vortex ring flow channel, when the piston moves downwards to the lower side of the air inlet of the vortex ring flow channel along the vortex ring flow channel, the air in the vortex ring flow channel is cut off, and the pistons in the two rows of vortex ring flow channels alternately cut off or ventilate the vortex ring flow channel;
the driving device comprises a motor and a main driving shaft, the main driving shaft is arranged along a straight line L, the motor is connected with one end of the main driving shaft, a plurality of driving gears are sequentially sleeved on the main driving shaft at intervals, and the number of the driving gears is consistent with that of the intermittent transmission devices;
the number of the intermittent transmission devices is consistent with the logarithm of the vortex ring runners and the intermittent transmission devices are arranged in a one-to-one correspondence manner, each intermittent transmission device comprises a sub-driving shaft, a cross arm and a shell bracket, two vortex ring runners in each pair of vortex ring runners are respectively arranged on two sides of the main driving shaft, the cross arm is arranged on the shell bracket through a rotating shaft and can rotate around the rotating shaft, two ends of the cross arm are respectively hinged with piston connecting rods on two sides of the cross arm, the sub-driving shaft is sleeved with a sub-driving shaft gear, the sub-driving shaft gear is meshed with the corresponding driving gear, the cross arm is connected with the sub-driving shaft, and the cross arm intermittently rotates along with the sub-driving shaft;
in each pair of vortex ring runners, a piston in one vortex ring runner is lighter than a piston in the other vortex ring runner;
the intermittent transmission device also comprises a rotary shell, a push switch, a driving lever and a rotating shaft, wherein the cross arm is fixedly connected with the rotary shell, the driving lever is arranged in the rotary shell, a fulcrum of the driving lever is fixedly arranged on the rotary shell, the push switch is connected with one end of the driving lever, the rotating shaft is connected with the other end of the driving lever, the rotating shaft is arranged along the axis of the sub-driving shaft, the rotating shaft is axially and slidably connected with the rotary shell, the rotary shell rotates along with the rotating shaft, and the rotating shaft can move back and forth along the axial direction of the rotating shaft relative to the rotary shell; a reset spring is connected between the rotating shaft and the rotating shell; the rotating shaft can rotate along with the sub-driving shaft when the rotating shaft moves outwards to be connected with the sub-driving shaft, and the rotating shaft does not rotate along with the sub-driving shaft when the rotating shaft moves inwards to be disconnected with the sub-driving shaft;
the sub driving shaft is provided with a fixed pressing rod which is arranged between the sub driving shaft gear and the pressing switch;
the motor drives the main driving shaft to rotate, the main driving shaft drives the rotor driving shaft to rotate through the gear of the sub driving shaft, when the fixed pressing rod rotates to the pressing switch along with the sub driving shaft, the pressing switch is pressed inwards, the pressing switch ejects the rotating shaft outwards through the driving lever, the rotating shaft moves outwards to be connected with the sub driving shaft and rotates along with the sub driving shaft, the rotating shaft drives the rotating shell and the cross arm to rotate, the cross arm respectively drives the piston on the lighter side to move downwards to the lower side of the air inlet along the corresponding vortex ring runner through the piston connecting rod, and drives the piston on the heavier side to move upwards to the upper side of the air inlet along the corresponding vortex ring runner; after the fixed pressing rod rotates along with the sub-driving shaft to leave the pressing switch, the pressing switch loses pressing external force, the reset spring drives the sub-driving shaft to move inwards and be disconnected with the sub-driving shaft, the reset force of the reset spring drives the sub-driving shaft to reversely eject and reset the pressing switch through the driving lever, the piston on the heavier side moves downwards to the lower side of the air inlet along the corresponding vortex ring runner due to the action of self gravity, and the piston on the lighter side is pulled by the cross arm to move upwards to the upper side of the air inlet along the corresponding vortex ring runner.
2. The vortex ring wind curtain wall according to claim 1, wherein a heater, a temperature sensor, a filter and a differential pressure sensor are sequentially arranged in each vortex ring flow passage from bottom to top.
3. The vortex ring wind curtain wall according to claim 2, wherein the temperature sensor and the pressure difference sensor are respectively arranged at the upper end positions of the heater and the filter, the temperature sensor and the pressure difference sensor are connected with an MCU terminal, and the MCU terminal is connected with a GPRS wireless communication module.
4. The vortex ring wind curtain wall according to claim 1, wherein the rotating shaft is connected with a guide frame, a guide groove is arranged on the rotating shell, the guide groove is arranged in parallel with the axis of the rotating shaft, two ends of the guide frame are arranged in the guide groove, and the rotating shaft moves back and forth along the guide groove through the guide frame.
5. The vortex ring wind curtain wall according to claim 1, wherein the outer end of the rotating shaft is provided with a power transmission surface, and the power transmission surface and the inner end surface of the sub-driving shaft are provided with friction surfaces or engagement surfaces.
6. The vortex ring wind curtain wall according to claim 1, wherein the air supply device further comprises a vortex ring wind curtain wall shell and a vortex ring wind curtain wall shell cover, the driving device, the intermittent transmission device and the wind curtain wall cutting device are all arranged in the vortex ring wind curtain wall shell, the vortex ring wind curtain wall shell cover is arranged at the upper end of the vortex ring wind curtain wall shell, a plurality of air inlets are arranged on the vortex ring wind curtain wall shell cover at intervals along a straight line L, an axial flow fan is arranged at the air inlet, and the air inlets are arranged above each vortex ring flow channel;
the output end of each vortex ring runner is connected with a tapered nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337684.4A CN113048610B (en) | 2021-03-30 | 2021-03-30 | Vortex ring wind curtain wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337684.4A CN113048610B (en) | 2021-03-30 | 2021-03-30 | Vortex ring wind curtain wall |
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| CN113048610A CN113048610A (en) | 2021-06-29 |
| CN113048610B true CN113048610B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110337684.4A Active CN113048610B (en) | 2021-03-30 | 2021-03-30 | Vortex ring wind curtain wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113653660B (en) * | 2021-07-16 | 2022-06-10 | 武汉理工大学 | Heterogeneous wheel shaft opening and closing vortex ring cutting device and three-way vortex ring excitation landscape device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2753369A1 (en) * | 2011-09-22 | 2013-03-22 | Vernon Richard Nelson | Air curtain |
| CN102798191A (en) * | 2012-07-22 | 2012-11-28 | 上海海洋大学 | Double-layer air curtain system for refrigeration storage |
| CN205078294U (en) * | 2015-10-10 | 2016-03-09 | 上海市政工程设计研究总院（集团）有限公司 | Subway platform fire prevention separating device |
| CN206300315U (en) * | 2016-10-26 | 2017-07-04 | 广东绿岛风室内空气系统科技有限公司 | A kind of pair of air channel air curtain |
| KR20170043485A (en) * | 2017-03-22 | 2017-04-21 | 이노비스 주식회사 | A Nozzle Assembly Forming a Structure of an Air Curtain |
| CN207515169U (en) * | 2017-09-13 | 2018-06-19 | 苏州永诺电子材料有限公司 | A kind of guarantee coating plant airflow stability air conditioner automatic control device |
| CN111749931A (en) * | 2019-03-26 | 2020-10-09 | 广东美的制冷设备有限公司 | Vortex ring generating device and air conditioning device |
| CN111237869A (en) * | 2020-03-10 | 2020-06-05 | 广东美的制冷设备有限公司 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
| CN111609465B (en) * | 2020-05-29 | 2022-04-15 | 佛山市万物互联科技有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
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