CN113048610A - Vortex ring air curtain wall - Google Patents
Vortex ring air curtain wall Download PDFInfo
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- CN113048610A CN113048610A CN202110337684.4A CN202110337684A CN113048610A CN 113048610 A CN113048610 A CN 113048610A CN 202110337684 A CN202110337684 A CN 202110337684A CN 113048610 A CN113048610 A CN 113048610A
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- vortex ring
- curtain wall
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 15
- 238000009434 installation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 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
- 239000012530 fluid Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a vortex ring air curtain wall which comprises an air supply device, a driving device, an intermittent transmission device and an air curtain wall cutoff device, wherein the air 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 two rows of vortex ring runners which are arranged in parallel and straight lines, each vortex ring runner is correspondingly provided with an air curtain wall cutoff device, and the driving device is respectively connected with each air curtain wall cutoff device through the intermittent transmission device and respectively cuts or ventilates the two rows of vortex ring runners alternately. The invention realizes the continuous and alternate vortex ring wind curtain wall.
Description
Technical Field
The invention relates to the technical field of fluid mechanics, in particular to a vortex ring air curtain wall.
Background
The vortex ring of the existing vortex ring generating device is mainly generated one by one in an intermittent mode, a reasonable structure is not designed for the device, a plurality of vortex rings are generated at one time to form a vortex ring wind curtain wall, the main entrainment characteristic of the vortex rings can lock surrounding gas into the vortex rings for directional transportation, gas diffusion can be effectively prevented, the energy consumption for generating the vortex rings is low, and the national purposes of energy conservation and emission reduction are met.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vortex ring air curtain wall aiming at the defects in the prior art and realizing a continuous and alternative vortex ring air curtain wall.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a vortex ring air curtain wall, includes air supply arrangement, a drive uni, intermittent drive device and wind curtain wall cut the device, air supply arrangement includes along sharp L interval arrangement in proper order many to vortex ring runner, be the vortex ring runner that two lines of parallel straight lines were arranged many to vortex ring runner, every vortex ring runner all corresponds and is provided with an air curtain wall and cuts the device, drive arrangement cuts the device through intermittent drive device respectively with each air curtain wall and is connected, cuts or ventilates in turn to two lines of vortex ring runners 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 of the heater and the upper end of the filter, data are conveniently 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 air curtain wall cut-off device comprises a piston and a piston connecting rod, the side wall of the vortex ring runner is provided with an air inlet, the piston is arranged in the vortex ring runner, one end of the piston connecting rod is hinged to 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 runner, when the piston moves upwards along the vortex ring runner to the upper side of the air inlet of the vortex ring runner, external gas enters the vortex ring runner, when the piston moves downwards along the vortex ring runner to the lower side of the air inlet of the vortex ring runner, the gas in the vortex ring runner is cut off, and the pistons in two rows of vortex ring runners 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, wherein 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 number of pairs of the vortex ring runners, the intermittent transmission devices are arranged in a one-to-one correspondence mode, each intermittent transmission device comprises a sub-driving shaft, a cross arm and a shell support, 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 support 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 corresponding sides, a sub-driving shaft gear is sleeved on the sub-driving shaft and is meshed with a corresponding driving gear, the cross arm is connected with the sub-driving shaft, and the;
in each pair of vortex ring runners, the piston in one of the vortex ring runners is lighter than the piston in the other vortex ring runner.
According to the technical scheme, the intermittent transmission device further comprises a rotating shell, a pressing switch, a driving lever and a rotating shaft, wherein the cross arm is fixedly connected with the rotating shell (the cross arm is divided into two sections which are respectively arranged at two sides of the rotating shell), the driving lever is arranged in the rotating shell, a fulcrum of the driving lever is fixedly arranged on the rotating shell, the pressing 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 rotating shell, the rotating shell rotates along with the rotating shaft, and the rotating shaft can move back and forth; a return spring is connected between the rotating shaft and the rotating shell; when the rotating shaft moves outwards and is connected with the sub-driving shaft, the rotating shaft can rotate along with the sub-driving shaft, and when the rotating shaft moves inwards and is disconnected with the sub-driving shaft, the rotating shaft does not rotate along with the sub-driving shaft;
and a fixed pressing rod is arranged on the sub driving shaft and is arranged between the sub driving shaft gear and the pressing switch.
According to the technical scheme, a stepping motor drives a main driving shaft to rotate, the main driving shaft drives a rotor driving shaft to rotate through a rotor driving shaft gear, when a fixed pressing rod rotates to a pressing switch along with the rotor driving shaft, the pressing switch is pressed inwards, the pressing switch pushes out a rotating shaft outwards through a driving lever, the rotating shaft moves outwards to be connected with the rotor driving shaft and rotates along with the rotor driving shaft, the rotating shaft drives a rotating shell and a cross arm to rotate, the cross arm drives a piston on a lighter side to move downwards to the lower side of an air inlet along a corresponding vortex ring flow passage through a piston connecting rod respectively, and drives a piston on a heavier side to move upwards to the upper side of the air inlet along a corresponding vortex ring flow passage; when the fixed pressing rod rotates along with the sub driving shaft and leaves the pressing switch, the pressing switch loses the external pressing force, the reset spring drives the sub driving shaft to move axially and is disconnected with the sub driving shaft, the restoring force of the reset spring drives the sub driving shaft to eject and reset the pressing switch reversely 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 flow channel under the action of self gravity, and the piston on the lighter side is pulled to move upwards to the upper side of the air inlet along the corresponding vortex ring flow channel through the cross arm.
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, 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 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 fit surfaces.
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, the driving device, the intermittent transmission device and the air curtain wall cutoff 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, axial flow fans are arranged at the air inlets, and the air inlets are arranged above all vortex ring runners;
the output end of each vortex ring flow passage is connected with a reducing nozzle.
The invention has the following beneficial effects:
the invention realizes the continuous and alternate vortex ring wind curtain wall by continuously supplying air and generating a plurality of vortex rings at one time to jointly form the vortex ring wind curtain wall.
Drawings
FIG. 1 is a schematic view of a vortex ring air curtain wall according to an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the scroll ring curtain wall within the scroll ring curtain wall housing according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a connection structure of a driving device, an intermittent drive device and an air curtain wall cutoff device according to an embodiment of the present invention;
FIG. 4 is a schematic view of the intermittent drive mechanism within the rotating housing in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a rotary housing in an embodiment of the present invention;
FIG. 6 is an exploded schematic view of FIG. 4;
FIG. 7 is a schematic view showing the structure of a rotary shaft in the embodiment of the present invention;
FIG. 8 is a schematic view of the construction of a sub-drive shaft in an embodiment of the present invention;
FIG. 9 is a view from the direction A of FIG. 3;
FIG. 10 is a schematic structural view of a turbine ring wind curtain wall housing cover in an embodiment of the invention;
FIG. 11 is a schematic structural view of a turbine ring wind curtain wall shell in an embodiment of the invention;
FIG. 12 is a schematic view of the structure of a rotary case cover in an embodiment of the present invention;
in the figure, 1-vortex ring air curtain wall shell cover, 2-axial flow fan, 3-rotating shell, 4-vortex ring air curtain wall shell, 5-sub driving shaft, 6-piston connecting rod, 7-main driving shaft, 8-piston, 9-piston guide rail, 10-differential pressure sensor, 11-filter, 12-temperature sensor, 13-heater, 14-reducing nozzle, 15-stepping motor, 16-pressing switch, 17-driving lever, 18-rotating shaft, 19-reset spring, 20-shell support, 21-MCU processing terminal, 22-GPRS wireless communication module, 23-rotating shell cover;
301-press switch motion groove, 302-drive lever rotation groove, 303-second friction rotation shaft motion groove, 304-boss, 305-cross arm, 306-piston connecting rod rotation groove, 307-connecting through hole, 308-first friction rotation shaft motion groove;
401-piston guide rail mounting groove, 402-vortex ring runner, 403-friction rotating shell support mounting groove, 404-vortex ring air curtain wall shell cover mounting boss, 405-stepping motor fixing support, 406-driving device mounting groove, 407-electric control module mounting groove;
501-sub driving shaft gear, 502-fixed pressing rod, 503-end surface of third section driving shaft; 701-driving gear;
1801-friction face, 1803-journal, 1804-guide.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 12, the scroll ring air curtain wall in an embodiment of the present invention includes an air supply device, a driving device, an intermittent transmission device, and an air curtain wall cutoff device, where the air supply device includes a plurality of pairs of scroll ring runners sequentially arranged at intervals along a straight line L, the plurality of pairs of scroll ring runners are a plurality of scroll ring runners sequentially arranged at intervals in two parallel straight lines, each scroll ring runner is correspondingly provided with an air curtain wall cutoff device, and the driving device is respectively connected to each of the air curtain wall cutoff devices through the intermittent transmission device, and respectively cuts or ventilates two rows of scroll ring runners alternately; 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 pressure difference sensor 10, a temperature sensor 12, an MCU processing terminal 21, a GPRS wireless communication module 22, an axial flow fan 2 and a reducing nozzle 14. The rectifying plate is arranged in a flow channel 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 air curtain wall shell 4, eight circular ring installation bulges are arranged on the lower bottom surface of the vortex ring air curtain wall shell 4, and the circular ring installation bulges and the vortex ring runners are coaxial and have the same inner diameter. The inner diameter of the tapered nozzle 14 is slightly larger than the outer diameter of the circular ring-shaped bulge, and the tapered nozzle and the circular ring-shaped bulge are connected in a nested manner. A driving device mounting groove, an electric control module mounting groove, a driving device fixing support, a stepping motor fixing support, a friction rotating shell support mounting groove and a vortex wind curtain wall shell cover mounting boss are arranged in the vortex wind curtain wall shell 4.
Further, a heater 13, a temperature sensor 12, a filter 11 and a differential pressure sensor 10 are sequentially arranged in each vortex ring flow passage from bottom to top.
Furthermore, 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 read conveniently, 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; the MCU terminal and the GPRS wireless communication module 22 are jointly installed in an electric control module installation groove on the side surface of the vortex ring wind curtain wall shell 4.
Further, the air curtain wall cutoff device comprises a piston 8 and a piston connecting rod 6, an air inlet is formed in the side wall of the vortex ring flow channel (the air inlet is formed in the inlet end of the vortex ring flow channel), the piston 8 is arranged in the vortex ring flow channel, 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 flow channel, when the piston 8 moves upwards to the upper portion of the air inlet of the vortex ring flow channel along the vortex ring flow channel, external gas enters the vortex ring flow channel, when the piston 8 moves downwards to the lower portion of the air inlet of the vortex ring flow channel along the vortex ring flow channel, the gas in the vortex ring flow channel is cut off, and the pistons 8 in two rows.
Further, the outer diameter of the piston 8 is slightly smaller than the inner diameter of a vortex flow channel in the vortex wind curtain wall shell 4, so that the piston 8 can do linear motion along the wall of the flow channel in the flow channel and can cut off gas. The main body of the piston guide rail 9 is a cylindrical hollow pipeline with the same inner diameter as that of a vortex ring flow channel in the vortex ring air curtain wall shell 4, and two rectangular air inlets are formed in the side surface of the main body and are installed in the vortex ring air curtain wall shell 4 in an embedded 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.
Furthermore, 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 number of pairs of the vortex ring runners, the intermittent transmission devices are arranged in a one-to-one correspondence mode, each intermittent transmission device comprises a sub-driving shaft 5, a cross arm and a shell support 20, the shell support 20 is 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 support 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 corresponding sides, a sub-driving shaft 5 gear is sleeved on the sub-driving shaft 5 and meshed with a corresponding driving gear, the cross arm is connected with the sub-driving shaft 5;
in each pair of vortex ring runners, the piston in one vortex ring runner is lighter than the piston in the other vortex ring runner; the pistons on the lighter side in each pair of vortex ring runners are arranged in the vortex ring runners in the same row, and the pistons on the heavier side are arranged in the vortex ring runners in the other row.
Further, the intermittent drive device further comprises a rotating shell 3, a press switch 16, a driving lever 17 and a rotating shaft, wherein the cross arm is fixedly connected with the rotating shell 3 (the cross arm is divided into two sections and respectively arranged at two sides of the rotating shell), the rotating shaft is connected with the cross arm through the rotating shell 3, the driving lever 17 is arranged in the rotating shell 3, a fulcrum of the driving lever 17 is fixedly arranged on the rotating shell 3, the press 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 and is axially and slidably connected with the rotating shell 3, the rotating shell 3 rotates along with the rotating shaft, and the rotating shaft can move back and forth relative to the rotating; a return spring 19 is connected between the rotating shaft and the rotating shell 3; the rotary shaft can rotate with the sub-driving shaft 5 when the rotary shaft moves outward to be connected with the sub-driving shaft 5, and the rotary shaft does not rotate with the sub-driving shaft 5 when the rotary shaft moves inward to be disconnected with the sub-driving shaft 5;
the sub-driving shaft 5 is provided with a fixed pressing lever arranged between the sub-driving shaft gear and the press switch 16.
Further, the stepping motor drives the main driving shaft 7 to rotate, the main driving shaft 7 drives the sub 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 is pressed inwards, the pressing switch 16 pushes out 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, the cross arm drives the piston 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 6, and the piston on the heavier side is driven to move upwards to the upper side of the air inlet along the corresponding vortex ring flow channel; when the fixed pressing rod rotates along with the sub-driving shaft 5 and leaves 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 and is disconnected with the sub-driving shaft 5, the restoring force of the reset spring 19 drives the sub-driving shaft 5 to eject and reset the pressing switch 16 reversely through the driving lever 17, the piston on the heavier side moves downwards to the lower part of the air inlet along the corresponding vortex ring flow channel under the action of self gravity, and the piston on the lighter side is pulled through the cross arm to move upwards to the upper part of the air inlet along the corresponding vortex ring flow channel.
Further, the rotation axis is connected with the leading truck, is equipped with the guide slot on the rotating housing 3, and the guide slot arranges in the both sides of rotation axis with rotation axis parallel arrangement, the both ends of leading truck set up in the guide slot, and the rotation axis passes through the leading truck and follows the guide slot round trip movement.
Furthermore, 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 fit surfaces; when the power transmission surface and the inner end surface of the sub-driving shaft 5 are friction surfaces, the sub-driving shaft 5 transmits the rotational power to the rotation shaft through the friction surface therebetween;
when the power transmission surface and the inner end surface of the sub-driving shaft 5 are fit surfaces, the sub-driving shaft 5 transmits the rotary power to the rotating shaft through the fit surface between the two; the fit surfaces of the two are two oppositely arranged fit blocks to form mutual fit, so that the rotary power is conveniently transmitted.
Further, a boss is arranged in the rotary shell 3, the boss is arranged on two sides of the rotary shaft, and the guide groove is arranged on the boss.
Furthermore, the air supply device also 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 cutoff 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, axial flow fans 2 are arranged at the air inlets, and the air inlets are arranged above all vortex ring runners;
the output end of each vortex ring flow passage is connected with a reducing nozzle 14.
Further, the output end of the vortex ring flow channel extends out of the vortex ring wind curtain wall shell 4.
Further, the driving device and the intermittent transmission device constitute a friction driving device.
The working principle of the invention is as follows: referring to fig. 2, according to the novel vortex ring wind curtain wall provided by the invention, since the counterweights of the left piston and the right piston of the wind curtain wall cutoff device are different, when the wind curtain wall is in a standing state, the heavy piston with a heavier mass sinks, so that the piston connecting rod 6 is driven to move downwards, the friction rotating shell 3 rotates around the friction rotating bracket 20 by a certain angle, and further the light piston with a lighter mass rises along the piston guide rail 9 to open the air inlet. 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 gear 501 engaged with the sub driving shaft gear, 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 of the cylinder of the sub driving shaft contacts with the pressing switch 16 arranged on the friction rotating casing cover 23, the pressing switch 16 is forced to do linear motion along the pressing switch motion groove 301 in the friction rotating casing 3, and then the acting force is transmitted to the driving lever 17, the driving lever 17 is forced to rotate, and then the journal 1803 of the friction rotating shaft is driven to do linear motion along the first friction rotating shaft motion groove 308, when the friction surface 1801 of the friction rotating shaft contacts with the friction surface 503 of the sub driving shaft, the sub driving shaft 5 transmits the torque to the friction rotating shaft 18, and then the friction rotating casing 3 rotates around the friction rotating bracket 20 under the action of the second friction rotating shaft motion groove 303, and then the heavy piston rises, the air inlet of the piston guide rail 9 is opened, the light piston moves downwards, the air inlet is closed, and the air flow is cut off. When the fixed pressing rod 502 on the sub driving shaft 5 rotates a certain angle and is no longer in contact with the pressing switch 16, the friction surface 1801 of the friction rotating shaft is separated from the friction surface 503 of the sub driving shaft by the action of the return spring 19, the transmission of torque is stopped, and the sub driving shaft 5 idles. Because the heavy piston is not influenced by external force, the heavy piston with large mass sinks under the action of gravity, the air inlet is closed, and the air flow is cut off. The light piston with the smaller mass rises, opening the air inlet, and allowing the air flow to rush in. This is one movement cycle. A plurality of parallel vortex rings can be rapidly generated in a large quantity to form the wind curtain wall. In the process of generating the vortex ring, 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 connected with the MCU processing terminal 21 in an output mode, and the GPRS wireless communication module 22 is connected with terminal equipment (a mobile phone) of a user. A user can send a remote control instruction to the MCU processing terminal 21 through a terminal device, and the MCU processing terminal 21 receives the user's instruction 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 immediately started, the filter 11 is sterilized, disinfected and filtered, after the heater 13 is heated, the differential pressure sensor 10 monitors the differential pressure on two sides of the filter 11 in real time and transmits the acquired differential pressure information to the MCU processing terminal 21, the temperature sensor 12 acquires temperature information and transmits the acquired information 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 user terminal equipment in time through the wireless communication module 22 in a wireless communication way, meanwhile, the MCU processing terminal 21 transmits the temperature information to the user terminal equipment, the user is ensured 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, the instructions sent by the user are adapted.
In an embodiment of the present invention, referring to fig. 1 to 12, a novel vortex ring wind curtain wall in an embodiment of the present invention includes an air supply device, a friction driving device, and an air curtain wall cutoff device, wherein the air curtain wall cutoff device is installed at two sides of the friction driving device, the two devices are installed in the air supply device together, and under the action of a main driving shaft 7 of the friction driving device, the friction driving device generates clockwise and counterclockwise alternate rotation, so as to drive pistons of the air curtain wall cutoff devices at two sides to realize alternate switching between cutoff and ventilation of a flow channel. The intercepted gas is subjected to shearing force of the nozzle when passing through the tapered nozzle 14, and is curled, so that a vortex ring is generated.
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 pressure difference sensor 10, a temperature sensor 12, an MCU processing terminal 21, a GPRS wireless communication module 22, an axial flow fan 2 and a reducing nozzle 14. The axial flow fan 2 is installed on the vent hole 102 of the vortex ring air curtain wall shell cover 1, and the vortex ring air curtain wall shell cover 1 is connected with the vortex ring air curtain wall shell installation boss 404 in a nested installation mode through the installation groove 103.
Furthermore, eight vortex ring runners 402 are uniformly distributed in the vortex ring air curtain wall shell 4, the inner diameter of the reducing nozzle 14 is slightly larger than the outer diameter of the vortex ring runners 402, and the reducing nozzle and the vortex ring air curtain wall 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 rotating housing 3 bracket mounting groove 403, a piston guide rail mounting groove 401 and a turbine wind curtain wall housing cover mounting boss 404 are arranged in the turbine wind curtain wall housing 4.
Further, a heater 13, a temperature sensor 12, a filter 11 and a differential pressure sensor 10 are sequentially arranged in eight flow passages 402 uniformly distributed in the vortex ring air curtain wall shell 4 from bottom to top. 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 read conveniently. The MCU processing terminal 21 and the GPRS wireless communication module 22 are jointly installed in an electric control module installation groove 407 on the side surface of the vortex ring wind curtain wall shell 4.
Further, the air curtain wall cutoff 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 flow channel 402 in the vortex ring wind curtain wall shell 4, so that the piston 8 can do linear motion along the flow channel wall in the flow channel 402 and can cut off gas. The main body of the piston guide rail 9 is a cylindrical hollow pipeline with the same inner diameter as the inner diameter of the vortex ring flow channel 402 in the vortex ring air curtain wall shell 4, and two rectangular air inlets are formed in the side surface of the main body and are arranged in a piston guide rail mounting groove 401 of the vortex ring air curtain wall shell in an embedded 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 friction driving device includes a stepping motor 15, a main driving shaft 7, a sub driving 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 driving lever 17. The main driving shaft 7 is provided with four driving gears 701, one end of each driving gear is provided with a driving groove, and the stepping motor shaft 15 is connected with the driving groove on the end face of the main driving shaft 7 so as to drive the main driving shaft 7 to rotate.
Furthermore, the front end face of the friction rotation housing 3 is opened, the rear end face is provided with a connecting through hole 307 connected with the friction rotation 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 rotation groove 306, and the piston connecting rod rotation groove 306 is matched with a rotating shaft at one end of the piston connecting rod 6 to form a rotation pair together. The friction rotation housing 3 is provided therein with a driving lever rotation groove 302, a push switch movement groove 301, a first friction rotation shaft movement groove 308, and a second friction rotation shaft movement groove 303 provided on a boss 304, respectively. The driving lever 17 is installed in the driving lever rotating groove 302 to rotate, the push switch 16 is installed in the push switch moving groove 301 to move linearly, the friction rotating shaft 18 is allowed to move linearly under the limitation of the first friction rotating shaft moving groove 308, and when the friction rotating shaft 18 rotates, the friction rotating housing 20 is driven to rotate together under the limitation of the second friction rotating shaft moving groove 303.
Further, the frictional rotary housing cover 23 is provided at a lower middle portion thereof with a through hole 2302 for mounting a sub drive shaft, and at an upper portion thereof with a through hole 2301 for mounting a push switch. The sub-driving shaft 5 is designed into a three-section type, the first section is a cylindrical gear 501 meshed with the main driving shaft gear, the side surface of the second section of the driving shaft is provided with a fixed pressing rod 502, and the end surface of the third section of the driving shaft is a friction surface 503 with a large friction coefficient.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (10)
1. The utility model provides a vortex ring air curtain wall, a serial communication port, including air supply arrangement, drive arrangement, intermittent drive device and wind curtain wall cut the device, air supply arrangement includes along sharp L interval arrangement's many pairs of vortex ring runners in proper order, many pairs of vortex ring runners are for being the vortex ring runner of two lines of parallel straight lines arrangements, every vortex ring runner all corresponds and is provided with an air curtain wall and cuts the device, drive arrangement cuts the device with each air curtain wall respectively through intermittent drive device and is connected, cut in turn or ventilate two lines of vortex ring runners respectively.
2. The scroll ring air curtain wall as claimed in claim 1, wherein a heater, a temperature sensor, a filter and a differential pressure sensor are sequentially arranged in each scroll ring flow passage from bottom to top.
3. The scroll ring air curtain wall as claimed in claim 2, wherein the temperature sensor and the differential pressure sensor are respectively installed at the upper ends of the heater and the filter, the temperature sensor and the differential pressure sensor are connected with an MCU terminal, and the MCU terminal is connected with a GPRS wireless communication module.
4. The vortex ring air curtain wall as claimed in claim 1, wherein the air curtain wall cutoff device comprises a piston and a piston connecting rod, 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 to 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 runner, when the piston moves upwards along the vortex ring runner to the position above the air inlet of the vortex ring runner, external air enters the vortex ring runner, when the piston moves downwards along the vortex ring runner to the position below the air inlet of the vortex ring runner, the air in the vortex ring runner is cut off, and the pistons in the two rows of vortex ring runners alternately cut off or ventilate the vortex ring runner.
5. The vortex ring wind curtain wall as claimed in claim 4, wherein 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 number of pairs of the vortex ring runners, the intermittent transmission devices are arranged in a one-to-one correspondence mode, each intermittent transmission device comprises a sub-driving shaft, a cross arm and a shell support, 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 support 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 corresponding sides, a sub-driving shaft gear is sleeved on the sub-driving shaft and is meshed with a corresponding driving gear, the cross arm is connected with the sub-driving shaft, and the;
in each pair of vortex ring runners, the piston in one of the vortex ring runners is lighter than the piston in the other vortex ring runner.
6. The vortex ring wind curtain wall as claimed in claim 5, wherein the intermittent transmission device further comprises a rotary housing, a push switch, a driving lever and a rotary shaft, the cross arm is fixedly connected with the rotary housing, the driving lever is arranged in the rotary housing, a fulcrum of the driving lever is fixedly arranged on the rotary housing, the push 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 housing, the rotary housing rotates along with the rotary shaft, and the rotary shaft can move back and forth relative to the rotary housing along the axial direction of the rotary; a return spring is connected between the rotating shaft and the rotating shell; when the rotating shaft moves outwards and is connected with the sub-driving shaft, the rotating shaft can rotate along with the sub-driving shaft, and when the rotating shaft moves inwards and is disconnected with the sub-driving shaft, the rotating shaft does not rotate along with the sub-driving shaft;
and a fixed pressing rod is arranged on the sub driving shaft and is arranged between the sub driving shaft gear and the pressing switch.
7. The scroll ring air curtain wall as claimed in claim 6, wherein the motor rotates the main driving shaft, the main driving shaft drives the sub 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 is pressed inward, the pressing switch pushes the rotating shaft out through the driving lever, the rotating shaft moves outward 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 drives the piston on the lighter side to move downward to below the air inlet along the corresponding scroll ring flow passage through the piston connecting rod, and drives the piston on the heavier side to move upward to above the air inlet along the corresponding scroll ring flow passage; when the fixed pressing rod rotates along with the sub driving shaft and leaves the pressing switch, the pressing switch loses the external pressing force, the reset spring drives the sub driving shaft to move axially and is disconnected with the sub driving shaft, the restoring force of the reset spring drives the sub driving shaft to eject and reset the pressing switch reversely 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 flow channel under the action of self gravity, and the piston on the lighter side is pulled to move upwards to the upper side of the air inlet along the corresponding vortex ring flow channel through the cross arm.
8. The scroll ring air curtain wall as claimed in claim 6, wherein the rotary shaft is connected with a guide frame, the rotary housing is provided with a guide groove, the guide groove is arranged in parallel with an axis of the rotary shaft, both ends of the guide frame are disposed in the guide groove, and the rotary shaft is moved back and forth along the guide groove by the guide frame.
9. The scroll ring air curtain wall as claimed in claim 6, wherein the outer end of the rotary 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 fitting surfaces.
10. The scroll ring air curtain wall as claimed in claim 1, wherein the air supply device further comprises a scroll ring air curtain wall housing and a scroll ring air curtain wall housing cover, the driving device, the intermittent transmission device and the air curtain wall cutoff device are all arranged in the scroll ring air curtain wall housing, the scroll ring air curtain wall housing cover is arranged at the upper end of the scroll ring air curtain wall housing, a plurality of air inlets are arranged on the scroll ring air curtain wall housing cover at intervals along a straight line L, the air inlets are provided with axial flow fans, and the air inlets are arranged above the scroll ring flow passages;
the output end of each vortex ring flow passage is connected with a reducing nozzle.
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| CN202110337684.4A CN113048610B (en) | 2021-03-30 | 2021-03-30 | Vortex ring wind curtain wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110337684.4A CN113048610B (en) | 2021-03-30 | 2021-03-30 | Vortex ring wind curtain wall |
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| CN113048610B CN113048610B (en) | 2024-02-13 |
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| CN113653660A (en) * | 2021-07-16 | 2021-11-16 | 武汉理工大学 | Heterogeneous wheel shaft opening and closing vortex ring cutting device and three-way vortex ring excitation landscape device |
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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 |
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|---|---|
| CN113048610B (en) | 2024-02-13 |
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