CN111578427A - Laboratory new trend system - Google Patents
Laboratory new trend system Download PDFInfo
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- CN111578427A CN111578427A CN202010481019.8A CN202010481019A CN111578427A CN 111578427 A CN111578427 A CN 111578427A CN 202010481019 A CN202010481019 A CN 202010481019A CN 111578427 A CN111578427 A CN 111578427A
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- bevel gear
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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
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
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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
- F24F11/0001—Control or safety arrangements for ventilation
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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
- F24F11/77—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 by controlling the speed of ventilators
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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
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
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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
- F24F13/28—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
- 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
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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
- F24F8/108—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 using dry filter elements
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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
- F24F8/117—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 using wet filtering
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/17—Details or features not otherwise provided for mounted in a wall
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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)
- Ventilation (AREA)
Abstract
A laboratory fresh air system comprises a laboratory wall body, wherein a laboratory and an air inlet cavity are arranged in the laboratory wall body, the laboratory is communicated with the air inlet cavity, an air inlet filter screen is fixedly arranged in the air inlet cavity, an air inlet fan mounting block is fixedly arranged on the top wall in the air inlet cavity, and an air inlet fan transmission cavity is jointly arranged in the laboratory wall body and the air inlet fan mounting block; be provided with the speed adjusting device in this device and can change the speed of circulation of air, can accelerate the speed of circulation of air when the experimenter is the burning experiment, ensure that the air in the laboratory is fresh, guarantee that smoke and dust and harmful gas in time discharge, and when changing the circulation of air speed, change gaseous emission route for indoor exhaust gas when burning can be handled specially, reduces the pollution to the air.
Description
Technical Field
The invention relates to the technical field of fresh air systems, in particular to a laboratory fresh air system.
Background
All be provided with the new trend system in order to guarantee the circulation of air in the laboratory usually in the laboratory, but to the laboratory of often doing the burning experiment, because the burning needs more air, and can produce a large amount of smoke and dust and harmful gas usually in the burning experiment, the air freshening in laboratory can not be guaranteed to ordinary new trend system, make harmful gas more and more in the laboratory easily, harm the healthy of laboratory personnel, and ordinary new trend system can not be to burning other special treatment, air pollution easily.
Disclosure of Invention
Aiming at the technical defects, the invention provides a laboratory fresh air system which can overcome the defects.
A new air system for a laboratory comprises a laboratory wall body, wherein a laboratory and an air inlet cavity are arranged in the laboratory wall body, the laboratory is communicated with the air inlet cavity, an air inlet filter screen is fixedly arranged in the air inlet cavity, an air inlet fan installation block is fixedly arranged on the top wall of the air inlet cavity, an air inlet fan transmission cavity is jointly arranged in the laboratory wall body and the air inlet fan installation block, an air inlet fan rotating shaft is rotatably arranged in the air inlet fan transmission cavity and extends leftwards into the air inlet cavity, an air inlet fan is fixedly arranged on the left end surface of the air inlet fan rotating shaft, an air suction port and an air treatment cavity are arranged in the laboratory wall body, the air treatment cavity is communicated with the laboratory through the air suction port, a common air treatment filter screen is fixedly arranged in the air treatment cavity, and a water spraying nozzle is fixedly arranged on the left end wall of the air treatment cavity, a drain pipe is arranged in the laboratory wall body and is communicated with the gas treatment cavity, an exhaust cavity is further arranged in the laboratory wall body and is communicated with the gas treatment cavity, an exhaust fan mounting block is fixedly arranged in the gas treatment cavity, an exhaust transmission cavity is jointly arranged in the laboratory wall body and the exhaust fan mounting block, an exhaust fan rotating shaft is rotatably arranged in the exhaust transmission cavity and extends downwards into the gas treatment cavity, and an exhaust fan is fixedly arranged on the lower end face of the exhaust fan rotating shaft;
the laboratory wall body is internally provided with a first transmission cavity, a first transmission shaft is rotatably arranged between the first transmission cavity and the air inlet filter screen, a first belt pulley is arranged in the air inlet fan transmission cavity and is fixedly connected with the air inlet fan rotating shaft, a second belt pulley is arranged in the air inlet fan transmission cavity and is fixedly connected with the first transmission shaft, a first belt is arranged between the second belt pulley and the first belt pulley in a transmission manner, a second transmission shaft is rotatably arranged between the exhaust transmission cavity and the first transmission cavity, a third belt pulley is fixedly arranged on the exhaust fan rotating shaft, a fourth belt pulley is arranged in the exhaust transmission cavity and is fixedly connected with the second transmission shaft, and a second belt is arranged between the third belt pulley and the fourth belt pulley in a transmission manner, the air exhaust device is characterized in that a first bevel gear is arranged in the first transmission cavity and fixedly connected with the first transmission shaft, a second bevel gear is arranged in the first transmission cavity and fixedly connected with the second transmission shaft, a speed regulating device for speed conversion is arranged in the laboratory wall, and a transmission device for providing power for speed switching and a conversion device for converting an air exhaust channel are further arranged in the laboratory wall.
Preferably, the speed adjusting device comprises a speed adjusting cavity and a lifting cavity which are arranged in the laboratory wall body, a lifting speed adjusting block is arranged in the lifting cavity in a sliding manner, a power cavity is arranged in the lifting cavity, a driving motor is fixedly installed on the left end wall of the speed adjusting cavity, the driving motor is provided with a motor shaft for driving to the right, the motor shaft is located in the power cavity, a third bevel gear is fixedly installed on the motor shaft, a third transmission shaft is rotatably arranged between the top wall and the inner bottom wall of the power cavity, a fourth bevel gear and a fifth bevel gear are sequentially arranged in the power cavity from bottom to top, the fourth bevel gear and the fifth bevel gear are both fixedly installed on the third transmission shaft, the third transmission shaft extends upwards into the speed adjusting cavity, a sixth bevel gear and a first transmission gear are arranged in the speed adjusting cavity, and the sixth bevel gear and the first transmission gear are both fixedly installed on the third transmission shaft, the upper end face of the lifting speed regulation block is rotatably provided with a fourth transmission shaft, an acceleration bevel gear and a second transmission gear are sequentially and fixedly mounted on the fourth transmission shaft from top to bottom, the first transmission gear is meshed with the second transmission gear, the first transmission shaft extends rightwards into the speed regulation cavity, a double-sided bevel gear is fixedly mounted on the right end face of the first transmission shaft, and the air exhaust speed is changed through the speed regulation device.
Preferably, the transmission device comprises a lifting power cavity and a second transmission cavity which are arranged in the laboratory wall body, the lifting power cavity is communicated with the lifting cavity, the lifting speed regulation block extends backwards into the lifting power cavity, a variable speed rotating shaft is rotatably arranged between the front end surface and the rear end surface of the second transmission cavity, the variable speed rotating shaft extends forwards into the laboratory, a variable speed rotating disc is fixedly mounted on the front end surface of the variable speed rotating shaft, a ninth bevel gear is arranged in the second transmission cavity and fixedly connected with the variable speed rotating shaft, a fifth transmission shaft is rotatably arranged between the lifting power cavity and the second transmission cavity, a tenth bevel gear is arranged in the second transmission cavity and fixedly connected with the fifth transmission shaft, the lifting speed regulation block is in threaded connection with the fifth transmission shaft, and a third transmission cavity is further arranged in the laboratory wall body, the fifth transmission shaft penetrates through the third transmission cavity, a fifth belt pulley is arranged in the third transmission cavity and fixedly connected with the third transmission cavity, a fourth transmission cavity is also arranged in the laboratory wall, a sixth transmission shaft is rotatably arranged between the third transmission cavity and the fourth transmission cavity, a sixth belt pulley is arranged in the third transmission cavity and fixedly connected with the sixth transmission shaft, a third belt is arranged between the fifth belt pulley and the sixth belt pulley in a transmission manner, a seventh bevel gear is arranged in the fourth transmission cavity and fixedly connected with the sixth transmission shaft, a conversion rotating shaft is rotatably arranged on the front end wall of the fourth transmission cavity backwards, an eighth bevel gear is fixedly arranged on the conversion rotating shaft and meshed with the seventh bevel gear, the transmission device realizes the function of providing power for speed switching.
Preferably, the conversion device comprises a flue gas purification cavity, a first hydraulic cavity, a fifth transmission cavity, a slider dredging cavity and a second hydraulic cavity which are arranged in the laboratory wall body, the flue gas purification cavity is communicated with the fifth transmission cavity, the fifth transmission cavity is communicated with the slider dredging cavity, a plugging block is arranged in the fifth transmission cavity in a sliding manner, a conversion rotating shaft extends forwards into the fifth transmission cavity and is rotatably connected with the front end wall of the fifth transmission cavity, the conversion rotating shaft is in threaded connection with the plugging block, an oil pipeline is arranged between the first hydraulic cavity and the second hydraulic cavity, a first hydraulic slider is arranged in the first hydraulic cavity in a sliding manner, the first hydraulic slider extends into the gas treatment cavity, a second hydraulic slider is arranged in the second hydraulic cavity in a sliding manner, and the second hydraulic slider extends backwards into the slider dredging cavity, the second hydraulic slide block is fixedly connected with the blocking block, a combustion flue gas treatment filter screen is fixedly installed in the flue gas purification cavity, and the conversion of an exhaust channel is realized through the conversion device.
The invention has the beneficial effects that: be provided with the speed adjusting device in this device and can change the speed of circulation of air, can accelerate the speed of circulation of air when the experimenter is the burning experiment, ensure that the air in the laboratory is fresh, guarantee that smoke and dust and harmful gas in time discharge, and when changing the circulation of air speed, change gaseous emission route for indoor exhaust gas when burning can be handled specially, reduces the pollution to the air.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a laboratory fresh air system according to the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic structural diagram of B-B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structure of C-C of FIG. 3 according to the present invention;
FIG. 5 is a schematic structural view of D-D of FIG. 4 according to the present invention;
fig. 6 is an enlarged schematic view of the structure at E in fig. 1 according to the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-6, a laboratory fresh air system of the device of the present invention includes a laboratory wall 10, a laboratory 29 and an air inlet cavity 38 are disposed in the laboratory wall 10, the laboratory 29 is communicated with the air inlet cavity 38, an air inlet filter 37 is fixedly mounted in the air inlet cavity 38, an air inlet fan mounting block 30 is fixedly mounted on an inner top wall of the air inlet cavity 38, an air inlet fan transmission cavity 77 is disposed in the laboratory wall 10 and the air inlet fan mounting block 30, an air inlet fan rotation shaft 78 is rotatably disposed in the air inlet fan transmission cavity 77, the air inlet fan rotation shaft 78 extends leftwards into the air inlet cavity 38, an air inlet fan 79 is fixedly mounted on a left end surface of the air inlet fan rotation shaft 78, an air inlet 28 and an air treatment cavity 19 are disposed in the laboratory wall 10, and the air treatment cavity 19 is communicated with the laboratory 29 through the air inlet 28, a common gas treatment filter screen 21 is fixedly installed in the gas treatment cavity 19, a water spraying nozzle 26 is fixedly installed on the left end wall of the gas treatment cavity 19, a drain pipe 27 is arranged in the laboratory wall 10, the drain pipe 27 is communicated with the gas treatment cavity 19, an exhaust cavity 16 is also arranged in the laboratory wall 10, the exhaust cavity 16 is communicated with the gas treatment cavity 19, an exhaust fan installation block 15 is fixedly installed in the gas treatment cavity 19, an exhaust transmission cavity 13 is jointly arranged in the laboratory wall 10 and the exhaust fan installation block 15, an exhaust fan rotating shaft 17 is rotatably arranged in the exhaust transmission cavity 13, the exhaust fan rotating shaft 17 extends downwards into the gas treatment cavity 19, and an exhaust fan 18 is fixedly installed on the lower end surface of the exhaust fan rotating shaft 17;
a first transmission cavity 36 is arranged in the laboratory wall 10, a first transmission shaft 35 is arranged between the first transmission cavity 36 and the air inlet filter screen 37 in a rotating manner, a first belt pulley 80 is arranged in the air inlet fan transmission cavity 77 and is fixedly connected with the first belt pulley 80 and the air inlet fan rotating shaft 78, a second belt pulley 34 is arranged in the air inlet fan transmission cavity 77 and is fixedly connected with the first transmission shaft 35, a first belt 76 is arranged between the second belt pulley 34 and the first belt pulley 80 in a transmission manner, a second transmission shaft 31 is arranged between the exhaust transmission cavity 13 and the first transmission cavity 36 in a rotating manner, a third belt pulley 14 is fixedly arranged on the exhaust fan rotating shaft 17, a fourth belt pulley 11 is arranged in the exhaust transmission cavity 13 and is fixedly connected with the second transmission shaft 31, the third belt pulley 14 with the transmission is provided with second belt 12 between the fourth belt pulley 11, be provided with first bevel gear 33 in the first transmission chamber 36 and first bevel gear 33 with first transmission shaft 35 fixed connection, be provided with second bevel gear 32 in the first transmission chamber 36 and second bevel gear 32 with second transmission shaft 31 fixed connection, be provided with the speed adjusting device that is used for speed conversion in the laboratory wall 10, still be provided with the transmission that is used for providing power for the switching of speed in the laboratory wall 10 and be used for changeing the conversion device of passageway of airing exhaust.
Beneficially, the speed adjusting device includes a speed adjusting cavity 39 and a lifting cavity 52 arranged in the laboratory wall 10, a lifting speed adjusting block 53 is slidably arranged in the lifting cavity 52, a power cavity 51 is arranged in the lifting cavity 52, a driving motor 48 is fixedly mounted on the left end wall of the speed adjusting cavity 39, the driving motor 48 is provided with a motor shaft 49 for driving to the right and the motor shaft 49 is located in the power cavity 51, a third bevel gear 47 is fixedly mounted on the motor shaft 49, a third transmission shaft 44 is rotatably arranged between the inner top wall and the inner bottom wall of the power cavity 51, a fourth bevel gear 50 and a fifth bevel gear 46 are sequentially arranged in the power cavity 51 from bottom to top and the fourth bevel gear 50 and the fifth bevel gear 46 are both fixedly mounted on the third transmission shaft 44, the third transmission shaft 44 extends upwards into the speed adjusting cavity 39, a sixth bevel gear 43 and a first transmission gear 45 are arranged in the speed adjusting cavity 39, and the sixth bevel gear 43 and the fifth bevel gear 46 are both fixedly mounted on All fixed mounting of a drive gear 45 is in on the third transmission shaft 44, the up end of lift speed governing piece 53 rotates and is provided with fourth transmission shaft 41 just fourth transmission shaft 41 top-down fixed mounting has bevel gear 40 and second drive gear 54 with higher speed in proper order, first drive gear 45 with the meshing of second drive gear 54, first drive shaft 35 extends into right the speed governing chamber 39, first drive shaft 35 right-hand member face fixed mounting has double bevel gear 42, through speed adjusting device has realized the transform of the speed of airing exhaust.
Beneficially, the transmission device includes a lifting power cavity 55 and a second transmission cavity 58 which are arranged in the laboratory wall 10, the lifting power cavity 55 is communicated with the lifting cavity 52, the lifting speed-regulating block 53 extends backwards into the lifting power cavity 55, a variable-speed rotating shaft 59 is rotatably arranged between the front end surface and the rear end surface of the second transmission cavity 58, the variable-speed rotating shaft 59 extends forwards into the laboratory 29, a variable-speed rotating disc 60 is fixedly mounted on the front end surface of the variable-speed rotating shaft 59, a ninth bevel gear 61 is arranged in the second transmission cavity 58 and is fixedly connected with the variable-speed rotating shaft 59, a fifth transmission shaft 56 is rotatably arranged between the lifting power cavity 55 and the second transmission cavity 58, a tenth bevel gear 57 is arranged in the second transmission cavity 58 and is fixedly connected with the fifth transmission shaft 56, the lifting speed regulating block 53 is in threaded connection with the fifth transmission shaft 56, a third transmission cavity 62 is further arranged in the laboratory wall 10, the fifth transmission shaft 56 penetrates through the third transmission cavity 62, a fifth belt pulley 63 is arranged in the third transmission cavity 62, the fifth belt pulley 63 is fixedly connected with the third transmission cavity 62, a fourth transmission cavity 68 is further arranged in the laboratory wall 10, a sixth transmission shaft 66 is rotatably arranged between the third transmission cavity 62 and the fourth transmission cavity 68, a sixth belt pulley 65 is arranged in the third transmission cavity 62, the sixth belt pulley 65 is fixedly connected with the sixth transmission shaft 66, a third belt 64 is arranged between the fifth belt pulley 63 and the sixth belt pulley 65 in a transmission manner, a seventh bevel gear 70 is arranged in the fourth transmission cavity 68, and the seventh bevel gear 70 is fixedly connected with the sixth transmission shaft 66, the front end wall of the fourth transmission cavity 68 is provided with a conversion rotating shaft 69 in a backward rotating mode, an eighth bevel gear 67 is fixedly mounted on the conversion rotating shaft 69, the eighth bevel gear 67 is meshed with the seventh bevel gear 70, and the function of providing power for speed switching is achieved through the transmission device.
Beneficially, the conversion device includes a flue gas purification cavity 20, a first hydraulic cavity 25, a fifth transmission cavity 71, a slider dredging cavity 73 and a second hydraulic cavity 74 which are arranged in the laboratory wall 10, the flue gas purification cavity 20 is communicated with the fifth transmission cavity 71, the fifth transmission cavity 71 is communicated with the slider dredging cavity 73, a blocking block 72 is arranged in the fifth transmission cavity 71 in a sliding manner, the conversion rotating shaft 69 extends forwards into the fifth transmission cavity 71 and is rotationally connected with the front end wall of the fifth transmission cavity 71, the conversion rotating shaft 69 is in threaded connection with the blocking block 72, an oil pipeline 24 is arranged between the first hydraulic cavity 25 and the second hydraulic cavity 74, a first hydraulic slider 23 is arranged in the first hydraulic cavity 25 in a sliding manner, the first hydraulic slider 23 extends into the gas treatment cavity 19, a second hydraulic slider 75 is arranged in the second hydraulic cavity 74 in a sliding manner, and the second hydraulic slider 75 extends backwards into the slider dredging cavity The guide cavity 73, the second hydraulic slide block 75 with the blocking block 72 fixed connection, the flue gas purification cavity 20 is internally and fixedly provided with a combustion flue gas treatment filter screen 22, and the conversion of the exhaust channel is realized through the conversion device.
The applicant will now specifically describe a laboratory ventilation system of the present application with reference to figures 1 to 6 and the above description:
in an initial state, the first hydraulic slide block 23 is located at the leftmost end of the first hydraulic chamber 25, at this time, the blocking block 72 blocks the flue gas purification chamber 20, the double-sided bevel gear 42 is engaged with the sixth bevel gear 43, and the third bevel gear 47 is engaged with the fourth bevel gear 50;
when the laboratory experiment device starts to work, the driving motor 48 is started to drive the motor shaft 49 to rotate, the motor shaft 49 drives the third transmission shaft 44 to rotate through the fourth bevel gear 50, the third transmission shaft 44 drives the first transmission shaft 35 to rotate through the sixth bevel gear 43 and the double-sided bevel gear 42, the first transmission shaft 35 drives the first bevel gear 33 and the second belt pulley 34 to rotate, the second belt pulley 34 drives the first belt pulley 80 to rotate through the first belt 76, the first belt pulley 80 drives the air inlet fan 79 to rotate through the air inlet fan rotating shaft 78, and the air inlet fan 79 sends outside air into the laboratory experiment 29;
the first bevel gear 33 drives the second transmission shaft 31 to rotate through the second bevel gear 32, the second transmission shaft 31 drives the fourth belt pulley 11 to rotate, the fourth belt pulley 11 drives the third belt pulley 14 to rotate through the second belt 12, the third belt pulley 14 drives the exhaust fan rotating shaft 17 to rotate, the exhaust fan rotating shaft 17 drives the exhaust fan 18 to rotate, the exhaust fan 18 sucks the gas in the laboratory 29 into the gas treatment cavity 19 and sends the gas out through the exhaust cavity 16, the water spraying nozzle 26 sprays water to absorb toxic and harmful substances dissolved in water in the gas treatment cavity 19, sewage flows out through the water discharge pipe 27, and the common gas treatment filter screen 21 absorbs other harmful substances in the gas treatment cavity 19.
When a laboratory is in a combustion experiment, an experimenter rotates the speed change rotary table 60, the speed change rotary table 60 drives the speed change rotary shaft 59 to rotate, the speed change rotary shaft 59 drives the fifth transmission shaft 56 to rotate through the ninth bevel gear 61 and the tenth bevel gear 57, the speed change rotary shaft 59 drives the lifting speed regulation block 53 to move downwards, the lifting speed regulation block 53 drives the sixth bevel gear 43, the fifth bevel gear 46 and the fourth bevel gear 50 to move downwards through the third transmission shaft 44, the sixth bevel gear 43 is disengaged from the double-sided bevel gear 42, the fourth bevel gear 50 is disengaged from the third bevel gear 47, the third bevel gear 47 is engaged with the fifth bevel gear 46, and at the moment, the lifting speed regulation block 53 drives the acceleration bevel gear 40 and the second transmission gear 54 to move downwards through the fourth transmission shaft 41, the acceleration bevel gear 40 is engaged with the double-sided bevel gear 42, at this time, the driving motor 48 drives the motor shaft 49 to rotate, the motor shaft 49 drives the third transmission shaft 44 to rotate through the third bevel gear 47 and the fifth bevel gear 46, the third transmission shaft 44 drives the fourth transmission shaft 41 to rotate in an acceleration manner through the first transmission gear 45 and the second transmission gear 54, and the fourth transmission shaft 41 drives the first transmission shaft 35 to rotate in an acceleration manner through the acceleration bevel gear 40 and the double-sided bevel gear 42, so that the intake fan 79 and the exhaust fan 18 rotate in an acceleration manner, and the exchange speed of the gas in the laboratory 29 is accelerated.
At this time, the fifth transmission shaft 56 drives the fifth belt pulley 63 to rotate, the fifth belt pulley 63 drives the sixth belt pulley 65 to rotate through the third belt 64, the sixth belt pulley 65 drives the seventh bevel gear 70 to rotate through the sixth transmission shaft 66, the seventh bevel gear 70 drives the transformation rotating shaft 69 to rotate through the eighth bevel gear 67, the transformation rotating shaft 69 rotates to drive the blocking block 72 to move backwards, the flue gas purification cavity 20 is communicated with the gas processing cavity 19, at this time, the blocking block 72 drives the second hydraulic slider 75 to move backwards, at this time, the second hydraulic cavity 74 sucks oil into the first hydraulic cavity 25 through the oil pipeline 24, the first hydraulic slider 23 moves rightwards to block the gas processing cavity 19, at this time, other parts in the laboratory 29 can be discharged from the exhaust cavity 16 through the gas processing cavity 19 and the flue gas purification cavity 20, the combustion flue gas treatment screen 22 cleans a large amount of toxic and harmful substances in the gas.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a new trend system in laboratory, includes laboratory wall body, its characterized in that: the laboratory wall body is internally provided with a laboratory and an air inlet cavity, the laboratory is communicated with the air inlet cavity, the air inlet cavity is internally and fixedly provided with an air inlet filter screen, the top wall of the air inlet cavity is fixedly provided with an air inlet fan installation block, the laboratory wall body and the air inlet fan installation block are internally and jointly provided with an air inlet fan transmission cavity, the air inlet fan transmission cavity is internally and rotatably provided with an air inlet fan rotating shaft, the air inlet fan rotating shaft extends leftwards into the air inlet cavity, the left end surface of the air inlet fan rotating shaft is fixedly provided with an air inlet fan, the laboratory wall body is internally provided with an air inlet and an air treatment cavity, the air treatment cavity is communicated with the laboratory through the air inlet, the air treatment cavity is internally and fixedly provided with a common air treatment filter screen, the left end wall of the air treatment cavity is fixedly provided with a water spraying nozzle, the laboratory wall body is internally, an exhaust cavity is further formed in the laboratory wall body and is communicated with the gas treatment cavity, an exhaust fan mounting block is fixedly mounted in the gas treatment cavity, an exhaust transmission cavity is jointly formed in the laboratory wall body and the exhaust fan mounting block, an exhaust fan rotating shaft is rotatably arranged in the exhaust transmission cavity and extends downwards into the gas treatment cavity, and an exhaust fan is fixedly mounted on the lower end face of the exhaust fan rotating shaft;
the laboratory wall body is internally provided with a first transmission cavity, a first transmission shaft is rotatably arranged between the first transmission cavity and the air inlet filter screen, a first belt pulley is arranged in the air inlet fan transmission cavity and is fixedly connected with the air inlet fan rotating shaft, a second belt pulley is arranged in the air inlet fan transmission cavity and is fixedly connected with the first transmission shaft, a first belt is arranged between the second belt pulley and the first belt pulley in a transmission manner, a second transmission shaft is rotatably arranged between the exhaust transmission cavity and the first transmission cavity, a third belt pulley is fixedly arranged on the exhaust fan rotating shaft, a fourth belt pulley is arranged in the exhaust transmission cavity and is fixedly connected with the second transmission shaft, and a second belt is arranged between the third belt pulley and the fourth belt pulley in a transmission manner, the air exhaust device is characterized in that a first bevel gear is arranged in the first transmission cavity and fixedly connected with the first transmission shaft, a second bevel gear is arranged in the first transmission cavity and fixedly connected with the second transmission shaft, a speed regulating device for speed conversion is arranged in the laboratory wall, and a transmission device for providing power for speed switching and a conversion device for converting an air exhaust channel are further arranged in the laboratory wall.
2. A laboratory ventilation system according to claim 1, characterized in that: the speed regulating device comprises a speed regulating cavity and a lifting cavity which are arranged in the laboratory wall body, a lifting speed regulating block is arranged in the lifting cavity in a sliding manner, a power cavity is arranged in the lifting cavity, a driving motor is fixedly arranged on the left end wall of the speed regulating cavity, the driving motor is provided with a motor shaft towards right power, the motor shaft is positioned in the power cavity, a third bevel gear is fixedly arranged on the motor shaft, a third transmission shaft is rotatably arranged between the top wall and the inner bottom wall in the power cavity, a fourth bevel gear and a fifth bevel gear are sequentially arranged in the power cavity from bottom to top, the fourth bevel gear and the fifth bevel gear are fixedly arranged on the third transmission shaft, the third transmission shaft extends upwards into the speed regulating cavity, a sixth bevel gear and a first transmission gear are arranged in the speed regulating cavity, and the sixth bevel gear and the first transmission gear are fixedly arranged on the third transmission shaft, the upper end face of the lifting speed regulation block is rotatably provided with a fourth transmission shaft, an acceleration bevel gear and a second transmission gear are sequentially and fixedly mounted on the fourth transmission shaft from top to bottom, the first transmission gear is meshed with the second transmission gear, the first transmission shaft extends rightwards into the speed regulation cavity, a double-sided bevel gear is fixedly mounted on the right end face of the first transmission shaft, and the air exhaust speed is changed through the speed regulation device.
3. A laboratory ventilation system according to claim 1, characterized in that: the transmission device comprises a lifting power cavity and a second transmission cavity which are arranged in the laboratory wall body, the lifting power cavity is communicated with the lifting cavity, the lifting speed regulation block extends backwards into the lifting power cavity, a variable speed rotating shaft is rotatably arranged between the front end surface and the rear end surface of the second transmission cavity and extends forwards into the laboratory, a variable speed rotating disc is fixedly arranged on the front end surface of the variable speed rotating shaft, a ninth bevel gear is arranged in the second transmission cavity and is fixedly connected with the variable speed rotating shaft, a fifth transmission shaft is rotatably arranged between the lifting power cavity and the second transmission cavity, a tenth bevel gear is arranged in the second transmission cavity and is fixedly connected with the fifth transmission shaft, the lifting speed regulation block is in threaded connection with the fifth transmission shaft, and a third transmission cavity is also arranged in the laboratory wall body, the fifth transmission shaft penetrates through the third transmission cavity, a fifth belt pulley is arranged in the third transmission cavity and fixedly connected with the third transmission cavity, a fourth transmission cavity is also arranged in the laboratory wall, a sixth transmission shaft is rotatably arranged between the third transmission cavity and the fourth transmission cavity, a sixth belt pulley is arranged in the third transmission cavity and fixedly connected with the sixth transmission shaft, a third belt is arranged between the fifth belt pulley and the sixth belt pulley in a transmission manner, a seventh bevel gear is arranged in the fourth transmission cavity and fixedly connected with the sixth transmission shaft, a conversion rotating shaft is rotatably arranged on the front end wall of the fourth transmission cavity backwards, an eighth bevel gear is fixedly arranged on the conversion rotating shaft and meshed with the seventh bevel gear, the transmission device realizes the function of providing power for speed switching.
4. A laboratory ventilation system according to claim 1, characterized in that: the conversion device comprises a flue gas purification cavity, a first hydraulic cavity, a fifth transmission cavity, a slider dredging cavity and a second hydraulic cavity which are arranged in the laboratory wall body, the flue gas purification cavity is communicated with the fifth transmission cavity, the fifth transmission cavity is communicated with the slider dredging cavity, a plugging block is arranged in the fifth transmission cavity in a sliding manner, a conversion rotating shaft extends forwards into the fifth transmission cavity and is rotatably connected with the front end wall of the fifth transmission cavity, the conversion rotating shaft is in threaded connection with the plugging block, an oil pipeline is arranged between the first hydraulic cavity and the second hydraulic cavity, a first hydraulic slider is arranged in the first hydraulic cavity in a sliding manner, the first hydraulic slider extends into the gas treatment cavity, a second hydraulic slider is arranged in the second hydraulic cavity in a sliding manner, and the second hydraulic slider extends backwards into the slider dredging cavity, the second hydraulic slide block is fixedly connected with the blocking block, a combustion flue gas treatment filter screen is fixedly installed in the flue gas purification cavity, and the conversion of an exhaust channel is realized through the conversion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481019.8A CN111578427A (en) | 2020-05-31 | 2020-05-31 | Laboratory new trend system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481019.8A CN111578427A (en) | 2020-05-31 | 2020-05-31 | Laboratory new trend system |
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| Publication Number | Publication Date |
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| CN111578427A true CN111578427A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010481019.8A Withdrawn CN111578427A (en) | 2020-05-31 | 2020-05-31 | Laboratory new trend system |
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| CN (1) | CN111578427A (en) |
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| EP1801510A1 (en) * | 2005-12-20 | 2007-06-27 | O.Y.L. Research & Development Centre Sdn Bhd | An apparatus and method for ventillation |
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| CN205717719U (en) * | 2016-04-13 | 2016-11-23 | 成都格瑞思文化传播有限公司 | A kind of chemical workshop automatic ventilation system |
| CN107044707A (en) * | 2017-03-28 | 2017-08-15 | 上海境舒环境科技有限公司 | One kind is without pipeline VMC and control method |
| US20170350610A1 (en) * | 2014-12-22 | 2017-12-07 | Levivent Ab | A system and method for control of in-door ventilation |
| CN209944609U (en) * | 2019-04-26 | 2020-01-14 | 广州市赛科自动化控制设备有限公司 | Intelligent fresh air control system for operating room |
| CN111054199A (en) * | 2020-01-16 | 2020-04-24 | 象山泛海环保科技有限责任公司 | Formaldehyde purification device based on wireless communication |
| CN210512010U (en) * | 2019-07-02 | 2020-05-12 | 青岛柏露实验室科技有限公司 | Constant temperature and humidity laboratory ventilation system |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1801510A1 (en) * | 2005-12-20 | 2007-06-27 | O.Y.L. Research & Development Centre Sdn Bhd | An apparatus and method for ventillation |
| US20170350610A1 (en) * | 2014-12-22 | 2017-12-07 | Levivent Ab | A system and method for control of in-door ventilation |
| CN105805878A (en) * | 2016-04-13 | 2016-07-27 | 成都格瑞思文化传播有限公司 | Automatic ventilation system for chemical workshop |
| CN205717719U (en) * | 2016-04-13 | 2016-11-23 | 成都格瑞思文化传播有限公司 | A kind of chemical workshop automatic ventilation system |
| CN107044707A (en) * | 2017-03-28 | 2017-08-15 | 上海境舒环境科技有限公司 | One kind is without pipeline VMC and control method |
| CN209944609U (en) * | 2019-04-26 | 2020-01-14 | 广州市赛科自动化控制设备有限公司 | Intelligent fresh air control system for operating room |
| CN210512010U (en) * | 2019-07-02 | 2020-05-12 | 青岛柏露实验室科技有限公司 | Constant temperature and humidity laboratory ventilation system |
| CN111054199A (en) * | 2020-01-16 | 2020-04-24 | 象山泛海环保科技有限责任公司 | Formaldehyde purification device based on wireless communication |
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Effective date of registration: 20210618 Address after: 239400 Room 501, unit 1, 100 Longshan Road, Mingguang City, Chuzhou City, Anhui Province Applicant after: You Tingting Address before: 311700 No.15, Pingqian village, pingmen Township, Chun'an County, Hangzhou City, Zhejiang Province Applicant before: Zhang Zhijuan |
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Application publication date: 20200825 |