CN113531734A - A hydrogen ion negative pressure exhaust device for keeping apart ward - Google Patents
A hydrogen ion negative pressure exhaust device for keeping apart ward Download PDFInfo
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- CN113531734A CN113531734A CN202111005012.XA CN202111005012A CN113531734A CN 113531734 A CN113531734 A CN 113531734A CN 202111005012 A CN202111005012 A CN 202111005012A CN 113531734 A CN113531734 A CN 113531734A
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/02—Ducting arrangements
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- 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
- F24F13/28—Arrangement or mounting of filters
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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
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a hydrogen ion negative pressure exhaust device for an isolation ward, which comprises a purification exhaust mechanism, a filtering mechanism and a negative pressure exhaust mechanism which are longitudinally and sequentially arranged outside the ward, wherein the purification exhaust mechanism comprises a first exhaust mechanism, a spiral extension pipe, a second exhaust mechanism and an air quality sensor; the air quality sensor is fixedly arranged between the second air exhaust mechanism and the spiral extension pipe. The negative pressure exhaust mechanism is provided with a first fan blade and a second fan blade which are coaxially and reversely rotated, and can exhaust air outwards by using larger wind power so as to generate negative pressure to suck out indoor air; secondly, the gas is purified through the double purification of the light hydrogen ion purifier and the activated carbon filter disc, and the air quality sensor and the controller are matched to adjust the air speeds of the first air exhaust mechanism and the second air exhaust mechanism so as to properly prolong the purification time of the toxic gas in the spiral extension pipe.
Description
Technical Field
The invention relates to the field of air exhaust, in particular to a hydrogen ion negative pressure air exhaust device for an isolation ward.
Background
The negative pressure ward is that under a special device, the air pressure in the ward is lower than the air pressure outside the ward, so that only fresh air outside can flow into the ward from the air circulation, and air polluted by a patient in the ward cannot leak out but is timely discharged to a fixed place through a special channel.
The air exhaust device of the traditional isolation ward has the following defects:
firstly, the traditional exhaust device may have insufficient exhaust volume and cannot generate enough negative pressure to exhaust toxic gas in a ward from a special channel;
secondly, the traditional exhaust device has weak ability of purifying air, and can directly exhaust part of toxic gas into the atmosphere, thereby generating certain pollution.
Disclosure of Invention
In order to solve the technical problem, a hydrogen ion negative pressure exhaust device for an isolation ward is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides a hydrogen ion negative pressure exhaust device for keeping apart ward, sets up purification exhaust mechanism, filter equipment and the negative pressure exhaust mechanism outside the ward including being vertical arranging in proper order, purifies exhaust mechanism, filter equipment and negative pressure exhaust mechanism and links to each other from bottom to top in proper order, purify exhaust mechanism and include:
the air inlet end of the first air exhaust mechanism is connected with the air outlet of the ward, and the air outlet end of the first air exhaust mechanism is provided with a plurality of light hydrogen ion purifiers;
the lower end of the spiral lengthening pipe is connected with the air outlet end of the first exhaust mechanism;
the lower end of the second air exhaust mechanism is fixedly connected with the upper end of the spiral lengthening pipe;
and the air quality sensor is fixedly arranged between the second exhaust mechanism and the spiral extension pipe.
Preferably, the first exhaust mechanism includes:
the air inlet grille is fixedly arranged at an air outlet of a ward through a horizontal air pipe;
the first fan is in a vertical state and is fixedly arranged on the ground outside a ward through a first fixing support, and an air inlet of the first fan is fixedly connected with an air inlet grille through a horizontal horn tube positioned in a horizontal air tube;
the first flared tube is fixedly arranged on the outer wall of the ward through a second fixing support, the bottom and the top of the first flared tube are fixedly connected with an air outlet of a first fan and the spiral extension tube respectively, and the plurality of the photohydrogen ion purifiers penetrate through the first flared tube and are fixed on the side wall of the first flared tube;
wherein, fixedly connected with protecting frame on the first fan.
Preferably, the second air exhaust mechanism is a second fan, a first vertical air pipe is fixedly arranged on the outer wall of the ward through a third fixing support, and the top of the first vertical air pipe is fixedly connected with the bottom of the filtering mechanism; the second fan is fixedly arranged in the first vertical air pipe, a second flared tube which is positioned under the second fan is fixedly arranged in the inner wall of the first vertical air pipe, and the bottom of the second flared tube is fixedly connected with the top of the spiral extension tube.
Preferably, the second fan is fixedly arranged in the first vertical air pipe through a first rectangular frame.
Preferably, the filter mechanism comprises:
the second vertical air pipe comprises a fixing frame with an opening at one side and a sealing plate fixedly arranged on the opening side of the fixing frame, the bottom of the fixing frame is fixedly connected with the top of a third fixing support, the top of the fixing frame is fixedly connected with the bottom of the negative pressure exhaust mechanism, and the third support is provided with a ventilation groove for communicating the fixing frame with the first vertical air pipe;
the horizontal filter element of the vertical interval arrangement of a plurality of, the one-to-one is provided with the splint of a plurality of group symmetric distribution in the fixed frame corresponding to a plurality of horizontal filter element, and every horizontal filter element is all inserted by the opening side of fixed frame through the splint of two sets of symmetric distributions and is located in the fixed frame.
Preferably, the negative pressure air exhaust mechanism comprises:
the bottom of the third vertical air pipe is fixedly connected with the top of the fixed frame;
the bottom of the third flared tube is fixedly connected with the top of the third vertical air pipe, and the top of the third flared tube is connected with an air outlet grid;
the double-blade exhaust fan is fixedly arranged in the third vertical air pipe;
the motor is fixedly arranged on the outer wall of the ward through a fourth fixing support, and an output shaft of the motor is in transmission connection with the double-blade exhaust fan through a transmission mechanism.
Preferably, the double-blade exhaust fan is fixedly arranged in the third vertical air duct through a second rectangular frame.
Preferably, the double-bladed exhaust fan comprises:
the first fan blade is fixedly arranged on the second rectangular frame through a fan frame in shaft connection with the first fan blade, and the bottom and the top of the first fan blade are respectively and fixedly connected with a bottom shaft and a top shaft which are in transmission connection with a transmission mechanism in a coaxial mode;
the second fan blade is positioned right above the first fan blade, the orientation of the fan blade is opposite to that of the first fan blade, the bottom of the second fan blade is fixedly connected with a column sleeve which is sleeved on the top shaft through a shaft, and a connecting mechanism which plays a coaxial reverse transmission role is fixedly connected between the column sleeve and the top shaft.
Preferably, the connection mechanism includes:
the top bevel gear is fixedly sleeved at the bottom of the column sleeve;
the bottom bevel gear is fixedly sleeved on the top of the top shaft;
the middle umbrella teeth are connected to the vertical plates through circular rods, and the middle umbrella teeth are meshed with the top umbrella teeth and the bottom umbrella teeth simultaneously.
Preferably, the transmission mechanism includes:
the vertical rod is fixedly arranged on the fourth fixed support through a first shaft seat, and the upper end of the vertical rod is fixedly connected with an output shaft of the motor;
and the cross rod is fixed on the side wall of the third vertical air pipe through the second shaft seat and the shaft sleeve, one end of the cross rod, which is close to the motor, is in transmission connection with the lower end of the vertical rod through the pair of first umbrella teeth, and the other end of the cross rod extends into the third vertical air pipe and is in transmission connection with the lower end of the bottom shaft through the pair of second umbrella teeth.
The invention has the beneficial effects that:
the negative pressure exhaust mechanism is provided with a first fan blade and a second fan blade which are coaxially and reversely rotated, and can exhaust air outwards by using larger wind power so as to generate negative pressure to suck out indoor air;
secondly, the gas is purified through the double purification of the light hydrogen ion purifier and the activated carbon filter disc, and the air quality sensor and the controller are matched to adjust the air speeds of the first air exhaust mechanism and the second air exhaust mechanism so as to properly prolong the purification time of the toxic gas in the spiral extension pipe.
Drawings
Fig. 1 is a schematic perspective view of a device for implementing the present invention.
Fig. 2 is a schematic perspective view of a device for implementing the present invention.
Fig. 3 is a top view of one implementation of the present invention.
Fig. 4 is a cross-sectional view taken along line a-a of fig. 3.
Fig. 5 is a partial cross-sectional view of a first exhaust mechanism embodying the present invention.
Fig. 6 is a partial sectional view of a first venting mechanism embodying the present invention.
Fig. 7 is a partial cross-sectional view of a second venting mechanism embodying the present invention.
Fig. 8 is a partial cross-sectional view of a first exhaust mechanism and a second exhaust mechanism embodying the present invention.
Fig. 9 is a partial cross-sectional view of a filter mechanism embodying the present invention.
Fig. 10 is a partial cross-sectional view of a negative pressure venting mechanism embodying the present invention.
The reference numbers in the figures are:
1-purifying and exhausting mechanism; 2-a filtering mechanism; 3-negative pressure air exhaust mechanism; 4-a first air exhaust mechanism; 5-a photohydrogen ion purifier; 6-spirally lengthening the tube; 7-a second air exhaust mechanism; 8-an air quality sensor; 9-an air inlet grille; 10-horizontal air duct; 11-a first fan; 12-a first fixed support; 13-a horizontal flare; 14-a first flare; 15-a second fixed support; 16-a protective frame; 17-a second fan; 18-a third fixed support; 19-a first vertical air duct; 20-a second flare; 21-a first rectangular frame; 22-a second vertical air duct; 23-a fixed frame; 24-sealing plate; 25-horizontal filter disc; 26-a splint; 27-a third vertical air duct; 28-a third flare; 29-an air outlet grid; 30-a motor; 31-a fourth fixed support; 32-a second rectangular frame; 33-a first fan blade; 34-a fan frame; 35-bottom axis; 36-a top shaft; 37-a second fan blade; 38-column jacket; 39-top bevel gear; 40-bottom bevel gear; 41-middle bevel gear; 42-a transverse plate; 43-riser; 44-round bar; 45-vertical bar; 46-a first shaft seat; 47-a cross-bar; 48-second shaft seat; 49-shaft sleeve; 50-a first bevel gear; 51-second bevel gear.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 to 10, a hydrogen ion negative pressure exhaust device for isolating a ward includes a purification exhaust mechanism 1, a filter mechanism 2 and a negative pressure exhaust mechanism 3 which are longitudinally arranged outside the ward in sequence, the purification exhaust mechanism 1, the filter mechanism 2 and the negative pressure exhaust mechanism 3 are sequentially connected from bottom to top, the purification exhaust mechanism 1 includes:
the air inlet end of the first exhaust mechanism 4 is connected with the air outlet of the ward, and the air outlet end of the first exhaust mechanism 4 is provided with a plurality of light hydrogen ion purifiers 5;
the lower end of the spiral lengthening pipe 6 is connected with the air outlet end of the first exhaust mechanism 4;
the lower end of the second air exhaust mechanism 7 is fixedly connected with the upper end of the spiral lengthening pipe 6;
and the air quality sensor 8 is fixedly arranged between the second exhaust mechanism 7 and the spiral extension pipe 6.
Wherein, the whole exhaust device is provided with a controller which is not shown in the figure, a plurality of the light hydrogen ion purifiers 5, the first exhaust mechanism 4, the second exhaust mechanism 7 and the air quality sensor 8 are electrically connected with the controller, the purification exhaust mechanism 1 and the negative pressure exhaust mechanism 3 simultaneously exhaust air to form negative pressure in a ward, toxic air in the ward is sucked by the first exhaust mechanism 4 and exhausted to the spiral extension pipe 6, meanwhile, the substance which is released by the light hydrogen ion purifiers 5 and used for decomposing toxic molecules, namely hydroxyl radical, enters the spiral extension pipe 6 along with the toxic gas, the second exhaust mechanism 7 simultaneously sucks air to the spiral extension pipe 6, the first exhaust mechanism 4 and the second exhaust mechanism 7 simultaneously act to enable the toxic gas to enter the second exhaust mechanism 7 from the spiral extension pipe 6, the air quality sensor 8 detects the air exhausted from the spiral extension pipe 6, when the content of toxic substances in the air exceeds the standard, a signal is sent to the controller, the controller appropriately increases the wind power of the first exhaust mechanism 4 and increases the power of the light hydrogen ion purifier 5, meanwhile, the wind power of the second air exhaust mechanism 7 is reduced, so that the toxic air is mixed with more hydroxyl radicals and stays in the spiral extension pipe 6 for a longer time, thereby decomposing toxic molecules in the toxic air more thoroughly, sending a signal to the controller after the air quality sensor 8 detects that the content of toxic substances in the air is lower than the minimum content of the safety standard, and then the controller properly adjusts the three, the wind power of the negative pressure exhaust mechanism 3 is larger than that of the second exhaust mechanism 7, therefore, negative pressure is generated between the second air exhausting mechanism 7 and the negative pressure air exhausting mechanism 3, and the gas exhausted by the second air exhausting mechanism 7 is exhausted into the atmosphere through the filtering mechanism 2 and the negative pressure air exhausting mechanism 3.
The first exhaust mechanism 4 includes:
the air inlet grille 9 is fixedly arranged at an air outlet of a ward through a horizontal air pipe 10;
the first fan 11 in a vertical state is fixedly arranged on the ground outside a ward through a first fixing support 12, and an air inlet of the first fan 11 is fixedly connected with the air inlet grille 9 through a horizontal flared tube 13 positioned in the horizontal air pipe 10;
the first flared tube 14 is in a vertical state, the first flared tube 14 is fixedly arranged on the outer wall of the ward through a second fixing support 15, the bottom and the top of the first flared tube are respectively and fixedly connected with an air outlet of the first fan 11 and the spiral extension tube 6, and the plurality of photohydrogen ion purifiers 5 penetrate through the first flared tube 14 and are fixed on the side wall of the first flared tube 14;
wherein, a protection frame 16 is fixedly connected to the first fan 11.
Between the air intake of first fan 11 and horizontal horn pipe 13, between the air exit of first fan 11 and first horn pipe 14, a plurality of between light hydrogen ion clarifier 5 and first horn pipe 14 lateral wall and all be provided with the sealing washer between first horn pipe 14 and the spiral extension pipe 6, first fan 11 is connected with the controller electricity, and the air in the ward is inhaled and is clapped to spiral extension pipe 6 through first fan 11, and 6 overcoat of spiral extension pipe are equipped with the protection pipeline that is vertical state.
The second air exhaust mechanism 7 is a second fan 17, a first vertical air pipe 19 is fixedly arranged on the outer wall of the ward through a third fixing support 18, and the top of the first vertical air pipe 19 is fixedly connected with the bottom of the filtering mechanism 2; the second fan 17 is fixedly arranged in the first vertical air pipe 19, a second flared pipe 20 which is positioned under the second fan 17 is fixedly arranged in the inner wall of the first vertical air pipe 19, and the bottom of the second flared pipe 20 is fixedly connected with the top of the spiral extension pipe 6.
Wherein, air mass sensor 8 is fixed to be set up on the lateral wall of first vertical tuber pipe 19 and is located between second flared tube 20 and the second fan 17, all is provided with the sealing washer between first vertical tuber pipe 19 and the third fixed bolster 18, between first vertical tuber pipe 19 and the second flared tube 20, between second flared tube 20 and spiral extension pipe 6 and between air mass sensor 8 and the first vertical tuber pipe 19. The second fan 17 is electrically connected with the controller, the air quality sensor 8 sends a signal to the controller after detecting that the content of toxic substances in the air exceeds the standard, the controller controls the first fan 11 and the light hydrogen ion purifier 5 to increase the power, and simultaneously controls the second fan 17 to reduce the power so as to prolong the retention time of gas and hydroxide ions with higher concentration in the spiral extension pipe 6, the signal is sent to the controller after the air quality sensor 8 detects that the content of the toxic substances is lower than the minimum content of the safety standard, and the controller appropriately returns the power of the first fan 11, the second fan 17 and the light hydrogen ion purifier 5.
The second fan 17 is fixedly arranged in the first vertical air duct 19 through a first rectangular frame 21.
Be provided with the sealing washer between first rectangle frame 21 and the first vertical tuber pipe 19, the inboard welding of first rectangle frame 21 has a plurality of nut, and the outside department of correspondence of first rectangle frame 21 is provided with the sealing washer, and the bolt that the sealing washer was passed to rethread a plurality of and first vertical tuber pipe 19 sealing connection.
The filter mechanism 2 includes:
the second vertical air duct 22 comprises a fixing frame 23 with an opening at one side and a sealing plate 24 fixedly arranged at the opening side of the fixing frame 23, the bottom of the fixing frame 23 is fixedly connected with the top of a third fixing support 18, the top of the fixing frame 23 is fixedly connected with the bottom of the negative pressure air exhaust mechanism 3, and the third support is provided with a ventilation groove for communicating the fixing frame 23 with the first vertical air duct 19;
Wherein, the junction of sealing board 24 and fixed frame 23 is provided with sealed glue, is provided with the sealing washer between the top of fixed frame 23 and first vertical tuber pipe 19, and a plurality of horizontal filter 25 is the activated carbon filter and by low to high activated carbon filter's adsorption efficiency progressively increase progressively, for preventing that toxic gas from failing thorough purification in augmenter pipe 6, gaseous further purifies through a plurality of activated carbon filter after through second fan 17.
The negative pressure air exhaust mechanism 3 includes:
a third vertical air duct 27, the bottom of which is fixedly connected with the top of the fixed frame 23;
the bottom of the third flared tube 28 is fixedly connected with the top of the third vertical air pipe 27, and the top of the third flared tube 28 is connected with an air outlet grille 29;
a double-blade exhaust fan fixedly arranged in the third vertical air pipe 27;
and the motor 30 is fixedly arranged on the outer wall of the ward through a fourth fixing support 31, and an output shaft of the motor 30 is in transmission connection with the double-blade exhaust fan through a transmission mechanism.
Wherein, all be provided with the sealing washer between third rectangle frame and the third vertical tuber pipe 27 and between third vertical tuber pipe 27 and the third flared tube 28, the wind-force of bilobed exhaust fan is greater than the wind-force of second fan 17, so can produce the negative pressure in order to inhale the atmosphere with toxic gas from horizontal filter 25 end between second fan 17 and the bilobed exhaust fan, the motor 30 overcoat is equipped with a protection frame 16 frame.
The double-blade exhaust fan is fixedly arranged in the third vertical air pipe 27 through a second rectangular frame 32.
A sealing ring is arranged between the second rectangular frame 32 and the third vertical air duct 27, and the fixing and sealing mode of the second rectangular frame 32 is consistent with that of the first rectangular frame 21.
The double-bladed exhaust fan comprises:
the first fan blade 33 is fixedly arranged on the second rectangular frame 32 through a fan frame 34 connected with the first fan blade through a shaft, and the bottom and the top of the first fan blade 33 are respectively and fixedly connected with a bottom shaft 35 and a top shaft 36 which are in transmission connection with a transmission mechanism in a coaxial manner;
the second fan blade 37 is located right above the first fan blade 33, the orientation of the fan blade is opposite to that of the first fan blade 33, a column sleeve 38 which is sleeved on the top shaft 36 is fixedly connected to the bottom of the second fan blade 37, and a connecting mechanism which plays a coaxial reverse transmission role is fixedly connected between the column sleeve 38 and the top shaft 36.
The first fan blade 33 rotates to discharge air towards the air outlet grille 29, and simultaneously the first fan blade 33 drives the second fan blade 37 to coaxially rotate reversely through the top shaft 36 and the connecting mechanism, so that the wind power of the double-blade exhaust fan can be increased.
The connecting mechanism includes:
a top bevel gear 39 fixedly sleeved at the bottom of the column sleeve 38;
the bottom bevel gear 40 is fixedly sleeved on the top of the top shaft 36;
middle part umbrella tooth 41, the homonymy of top umbrella tooth 39 and bottom umbrella tooth 40 looks back end is moulded respectively and is had a diaphragm 42, and fixedly connected with a riser 43 between two diaphragms 42, middle part umbrella tooth 41 passes through pole 44 hub connection on riser 43 and middle part umbrella tooth 41 meshes with top umbrella tooth 39 and bottom umbrella tooth 40 simultaneously.
The top shaft 36 drives the bottom bevel gear 40 to rotate when rotating, the bottom bevel gear 40 drives the top bevel gear 39 to rotate reversely relative to the bottom bevel gear 40 through the middle bevel gear 41, and the second fan blade 37 divides the fan blade to face opposite to the first fan blade, so that the first fan blade and the second fan blade simultaneously exhaust air to the air outlet grid 29 and superpose the wind power of the first fan blade and the second fan blade, and thus, larger wind power can be obtained.
The transmission mechanism includes:
the vertical rod 45 is fixedly arranged on the fourth fixed bracket 31 through a first shaft seat 46, and the upper end of the vertical rod 45 is fixedly connected with an output shaft of the motor 30;
and a cross bar 47 fixed on the side wall of the third vertical air duct 27 through a second shaft seat 48 and a shaft sleeve 49, wherein one end of the cross bar 47 close to the motor 30 is in transmission connection with the lower end of the vertical rod 45 through a pair of first umbrella teeth 50, and the other end of the cross bar 47 extends into the third vertical air duct 27 and is in transmission connection with the lower end of the bottom shaft 35 through a pair of second umbrella teeth 51.
Wherein, all be provided with the sealing washer between second shaft seat 48 and axle sleeve 49 and the vertical tuber pipe 27 of third, motor 30 drives montant 45 and rotates the back, and montant 45 drives horizontal pole 47 through a pair of first bevel gear 50 and rotates, and horizontal pole 47 rethread a pair of second bevel gear 51 drives the bottom shaft 35 rotatory, and then drives first flabellum rotatory.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a hydrogen ion negative pressure exhaust device for keeping apart ward, its characterized in that, including being vertical arrange in proper order and set up purification exhaust mechanism (1), filter equipment (2) and negative pressure exhaust mechanism (3) outside the ward, purify exhaust mechanism (1), filter equipment (2) and negative pressure exhaust mechanism (3) and link to each other in proper order from bottom to top, it includes to purify exhaust mechanism (1):
the air inlet end of the first air exhaust mechanism (4) is connected with the air outlet of the ward, and the air outlet end of the first air exhaust mechanism (4) is provided with a plurality of light hydrogen ion purifiers (5);
the lower end of the spiral lengthening pipe (6) is connected with the air outlet end of the first air exhaust mechanism (4);
the lower end of the second air exhaust mechanism (7) is fixedly connected with the upper end of the spiral extension pipe (6);
and the air quality sensor (8) is fixedly arranged between the second air exhaust mechanism (7) and the spiral extension pipe (6).
2. The negative pressure exhaust device for hydrogen ions used in isolation ward according to claim 1, wherein the first exhaust mechanism (4) comprises:
the air inlet grille (9) is fixedly arranged at an air outlet of a ward through a horizontal air pipe (10);
the air inlet of the first fan (11) is fixedly connected with an air inlet grille (9) through a horizontal flared pipe (13) positioned in a horizontal air pipe (10);
the device comprises a first flared tube (14) in a vertical state, wherein the first flared tube (14) is fixedly arranged on the outer wall of a ward through a second fixing support (15), the bottom and the top of the first flared tube are fixedly connected with an air outlet of a first fan (11) and a spiral extension tube (6) respectively, and a plurality of the photo-hydrogen ion purifiers (5) penetrate through the first flared tube (14) and are fixed on the side wall of the first flared tube (14);
wherein, a protective frame (16) is fixedly connected to the first fan (11).
3. The negative pressure exhaust device for hydrogen ions used for isolation ward according to claim 1, wherein the second exhaust mechanism (7) is a second blower (17), a first vertical air pipe (19) is fixedly arranged on the outer wall of the ward through a third fixing bracket (18), and the top of the first vertical air pipe (19) is fixedly connected with the bottom of the filtering mechanism (2); second fan (17) are fixed to be set up in first vertical tuber pipe (19), fixedly in the inner wall of first vertical tuber pipe (19) be provided with second horn pipe (20) that are located under second fan (17), the top fixed connection of the bottom of second horn pipe (20) and spiral extension pipe (6).
4. The negative pressure exhaust device for hydrogen ions in isolation ward according to claim 3, wherein the second blower (17) is fixedly arranged in the first vertical air duct (19) through a first rectangular frame (21).
5. A negative pressure exhaust device for hydrogen ions used in isolation wards according to claim 3, characterized in that the filter mechanism (2) comprises:
the second vertical air pipe (22) comprises a fixing frame (23) with an opening at one side and a sealing plate (24) fixedly arranged at the opening side of the fixing frame (23), the bottom of the fixing frame (23) is fixedly connected with the top of a third fixing support (18), the top of the fixing frame (23) is fixedly connected with the bottom of the negative pressure air exhaust mechanism (3), and the third support is provided with a ventilation groove for communicating the fixing frame (23) with the first vertical air pipe (19);
horizontal filter disc (25) of the vertical interval arrangement of a plurality of, in fixed frame (23) one-to-one is provided with splint (26) of a plurality of group symmetric distribution in a plurality of horizontal filter disc (25), every horizontal filter disc (25) all insert by the opening side of fixed frame (23) through splint (26) of two sets of symmetric distributions and locate in fixed frame (23).
6. The negative pressure exhaust device for hydrogen ions used in isolation ward according to claim 4, wherein the negative pressure exhaust mechanism (3) comprises:
the bottom of the third vertical air pipe (27) is fixedly connected with the top of the fixed frame (23);
the bottom of the third flared tube (28) is fixedly connected with the top of the third vertical air pipe (27), and the top of the third flared tube (28) is connected with an air outlet grille (29);
the double-blade exhaust fan is fixedly arranged in the third vertical air pipe (27);
and the motor (30) is fixedly arranged on the outer wall of the ward through a fourth fixing support (31), and an output shaft of the motor (30) is in transmission connection with the double-blade exhaust fan through a transmission mechanism.
7. The negative pressure exhaust device for hydrogen ions in isolation ward according to claim 6, wherein the double-blade exhaust fan is fixedly arranged in the third vertical air duct (27) through a second rectangular frame (32).
8. The negative pressure exhaust device for hydrogen ions in isolation ward according to claim 7, wherein the double-blade exhaust fan comprises:
the first fan blade (33) is fixedly arranged on the second rectangular frame (32) through a fan frame (34) in shaft connection with the first fan blade, and the bottom and the top of the first fan blade (33) are respectively and fixedly connected with a bottom shaft (35) and a top shaft (36) which are in transmission connection with a transmission mechanism in a coaxial mode;
the second fan blade (37) is located right above the first fan blade (33), the fan blade orientation is opposite to the orientation of the first fan blade (33), a column sleeve (38) which is sleeved on the top shaft (36) is fixedly connected to the bottom of the second fan blade (37), and a connecting mechanism which plays a coaxial reverse transmission role is fixedly connected between the column sleeve (38) and the top shaft (36).
9. The negative pressure exhaust device for hydrogen ions used in isolation ward according to claim 8, wherein the connecting mechanism comprises:
the top bevel gear (39) is fixedly sleeved at the bottom of the column sleeve (38);
the bottom bevel gear (40) is fixedly sleeved on the top of the top shaft (36);
middle part umbrella tooth (41), the homonymy of top umbrella tooth (39) and bottom umbrella tooth (40) looks back end is the shaping respectively has a diaphragm (42), and fixedly connected with a riser (43) between two diaphragms (42), middle part umbrella tooth (41) through round bar (44) coupling on riser (43) and middle part umbrella tooth (41) mesh with top umbrella tooth (39) and bottom umbrella tooth (40) simultaneously.
10. The negative pressure exhaust device for hydrogen ions in isolation ward according to claim 9, wherein the transmission mechanism comprises:
the vertical rod (45) is fixedly arranged on the fourth fixed support (31) through a first shaft seat (46), and the upper end of the vertical rod (45) is fixedly connected with an output shaft of the motor (30);
the cross rod (47) is fixed on the side wall of the third vertical air pipe (27) through a second shaft seat (48) and a shaft sleeve (49), one end of the cross rod (47) close to the motor (30) is connected with the lower end of the vertical rod (45) through a pair of first umbrella teeth (50), and the other end of the cross rod (47) extends into the third vertical air pipe (27) and is connected with the lower end of the bottom shaft (35) through a pair of second umbrella teeth (51).
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| CN202111005012.XA CN113531734B (en) | 2021-08-30 | 2021-08-30 | A hydrogen ion negative pressure exhaust device for keeping apart ward |
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| CN202111005012.XA CN113531734B (en) | 2021-08-30 | 2021-08-30 | A hydrogen ion negative pressure exhaust device for keeping apart ward |
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| CN113531734B (en) | 2022-11-11 |
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