CN111692659A - Clean fresh air processing unit for biological laboratory - Google Patents

Clean fresh air processing unit for biological laboratory Download PDF

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Publication number
CN111692659A
CN111692659A CN202010468762.XA CN202010468762A CN111692659A CN 111692659 A CN111692659 A CN 111692659A CN 202010468762 A CN202010468762 A CN 202010468762A CN 111692659 A CN111692659 A CN 111692659A
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CN
China
Prior art keywords
spring
rope
rotating
seat
wall
Prior art date
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Pending
Application number
CN202010468762.XA
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Chinese (zh)
Inventor
迟海鹏
张怀东
邢希学
张京军
龚长华
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Beijing Dynaflow Experiment Technology Co Ltd
Original Assignee
Beijing Dynaflow Experiment Technology Co Ltd
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Publication date
Application filed by Beijing Dynaflow Experiment Technology Co Ltd filed Critical Beijing Dynaflow Experiment Technology Co Ltd
Priority to CN202010468762.XA priority Critical patent/CN111692659A/en
Publication of CN111692659A publication Critical patent/CN111692659A/en
Pending legal-status Critical Current

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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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0013—Modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • 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
    • 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
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity

Abstract

The invention discloses a clean fresh air processing unit for a biological laboratory, which comprises: the circulating air duct is arranged between the partition wall and the heat preservation wall; the circulation wind channel includes: the first air inlet is positioned at the bottom of the bin body; the second air inlet is positioned on the inner wall of the bin body and close to the top; the air outlet is positioned at the top of the bin body; clean fresh air processing apparatus, clean fresh air processing apparatus installs in circulating air duct. First air intake setting is in storehouse body bottom, the second air intake setting is close to the top position at internal wall in storehouse, the dirty air in the sealed storehouse body is respectively from first air intake, in the second air intake entering circulation wind channel, clean new trend processing apparatus carries out clean operation to the air that enters into in the circulation wind channel from first air intake, the second air intake, clean efficiency has been improved, the new trend after the cleaning is internal from the air outlet row income storehouse, the new trend is at the internal diffusion that gradually sinks of storehouse, the internal air mobility in storehouse has been increased.

Description

Clean fresh air processing unit for biological laboratory
Technical Field
The invention relates to the technical field of biological laboratories, in particular to a clean fresh air processing unit for a biological laboratory.
Background
The biological laboratory is used as a temporary place for the research of treating major sudden fulminant infectious diseases and comprises a closed cabin body, and the wall body of the cabin body consists of a heat-insulating wall and a partition wall arranged outside the heat-insulating wall. In order to ensure the absolute safety and the tightness of the cabin body and prevent the air in the cabin body from flowing out of the cabin body, a circulating air system suitable for a biological laboratory needs to be designed.
Disclosure of Invention
In order to achieve the above object, the present invention discloses a clean fresh air processing unit for biological laboratory, comprising:
the circulating air duct is arranged between the partition wall and the heat preservation wall;
the circulation wind channel includes:
the first air inlet is positioned at the bottom of the bin body;
the second air inlet is positioned on the inner wall of the bin body and close to the top;
the air outlet is positioned at the top of the bin body;
clean fresh air processing apparatus, clean fresh air processing apparatus installs in circulating air duct.
Preferably, clean new trend processing unit includes and installs in proper order along the air current direction and imitates filter, plasma generator, well effect filter, fan, heat exchanger, humidity controller and high efficiency filter equipment in the circulation wind channel, humidity controller is located second air intake rear end, high efficiency filter equipment installs on the air outlet.
Preferably, the primary filter comprises:
the filter box is positioned between the partition wall and the heat preservation wall;
the inlet is formed in the bottom end of the filter box;
the outlet is arranged at the top end of the filter box, and the circulating air duct is connected into the filter box from the inlet and is connected out from the outlet;
the filter plate mounting seat is transversely connected to the inner wall of the filter box;
and the filter screen plate is arranged on the filter plate mounting seat.
Preferably, the filter box is close to the heat preservation wall end and installs the access door, the access door exposes the inner setting of heat preservation wall.
Preferably, the filter plate mount includes:
the ring seat is of a square frame structure, the outer end of the ring seat is fixedly connected to the inner wall of the filter box, and the filter screen plate is matched with the inner end of the ring seat;
the cross section of the rotating seat is of a U-shaped structure, the rotating seat is transversely connected to the inner end of the annular seat and close to the heat-insulating wall, and the bottom end of the filter screen plate is inserted into the rotating seat;
the first rotating shaft is connected to two ends of the rotating seat in the length direction, and the end, far away from the rotating seat, of the first rotating shaft is inserted into the annular seat;
the rotating chamber is arranged in the ring seat and close to the partition wall;
the transmission chambers are arranged in the ring seat, and the two rotating chambers are symmetrically distributed at the side ends of the rotating chambers;
the double-head rotating motor is positioned in the rotating chamber;
the second rotating shaft is connected to the output end of the double-head rotating motor, and the second rotating shaft is far away from the end of the double-head rotating motor and penetrates through the transmission chamber;
the first spring seat is positioned in the transmission chamber and is connected to the second rotating shaft;
the sliding gear is positioned in the transmission chamber and sleeved on the second rotating shaft, and the sliding gear is positioned at the end, far away from the rotating chamber, of the first spring seat;
a first spring connected between the sliding gear and the first spring seat;
the fixed rope pulley is connected to the end, far away from the first spring seat, of the sliding gear, and the second rotating shaft penetrates through the fixed rope pulley;
the first rope body is wound on the fixed rope wheel;
the rope coiling disc is connected to the first rotating shaft and far away from the rotating seat end, and the first rope body is far away from the fixed rope pulley end and penetrates through and is coiled on the rope coiling disc from the end, far away from the rotating chamber, of the inner wall of the transmission chamber.
Preferably, the method further comprises the following steps:
the third rotating shaft is positioned in the transmission chamber and is arranged in parallel with the second rotating shaft;
a fixed gear connected to the third rotation shaft, the fixed gear being engaged with the sliding gear;
the rope winding wheel is connected to the third rotating shaft and is arranged close to the rotating chamber;
the second rope body is connected to the rope winding wheel;
the clamping groove is formed in the inner end of the ring seat;
the rotating block is rotatably connected to the bottom end of the clamping groove through a return rotating shaft;
the rope groove is formed in the rotating block, and the end, far away from the rope winding wheel, of the second rope body penetrates through the transmission chamber and is wound in the rope groove;
the clamping block is connected to the position, close to the notch, in the clamping groove;
the ejector rod is connected to the non-central position of the rotating block close to the end of the clamping block;
the transmission groove is formed in the clamping block and is close to the rotating block end, the transmission groove is of a notched circular structure, the bottom end of the transmission groove is obliquely arranged, and the ejector rod is connected into the transmission groove in a sliding mode;
the transverse groove is formed in the inner wall of the clamping groove;
the sliding block is connected in the transverse groove in a sliding manner and is connected with the clamping block;
the second spring, the second spring is located the transverse groove, second spring one end is connected with the sliding block, the second spring other end with the transverse groove inner wall is connected.
Preferably, the method further comprises the following steps:
the chute is arranged at the inner end of the ring seat, and the lower end of the chute is far away from the first rotating shaft;
the jacking block is arranged in the chute;
the third spring is arranged in the chute, one end of the third spring is connected with the top block, and the other end of the third spring is connected with the high-position end, close to the inner wall of the chute, of the chute;
the third rope body is connected with the end, close to the third spring, of the jacking block;
the latch mounting groove is formed in the inner wall of the clamping groove and is close to the end of the inclined groove;
the third rope body is far away from the top block end and penetrates through the inner wall of the chute, the bottom of the latch mounting groove, and the fourth spring is connected with the latch;
the bayonet is arranged on the clamping block, and the clamping teeth are matched with the bayonet;
wherein the third spring force is greater than the fourth spring force.
Drawings
In order to more clearly illustrate the embodiments of the present 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 some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the installation of the fresh air processing apparatus in the circulating air duct according to the present invention;
FIG. 3 is a side cross-sectional view of a primary filter according to the present invention;
FIG. 4 is a diagram showing the positional relationship between the ring seat and the rotary seat according to the present invention;
FIG. 5 is a top sectional view of a first primary filter according to the present invention;
FIG. 6 is a top cross-sectional view of the ring seat of the present invention;
FIG. 7 is an enlarged view of reference character A in FIG. 6;
fig. 8 is a top sectional view of a second primary filter of the present invention.
In the figure: 1. a circulating air duct; 2. a first air inlet; 3. a second air inlet; 4. an air outlet; 5. a clean fresh air processing device; 6. a filter plate mounting base; 7. a filter screen plate; 51. a primary filter; 52. a plasma generator; 53. a medium-efficiency filter; 54. a fan; 55. a heat exchanger; 56. a humidity controller; 511. a filter box; 512. an inlet; 513. an outlet; 61. a ring seat; 62. a rotating seat; 63. a first rotating shaft; 64. a rotating chamber; 65. a transmission chamber; 66. a second rotating shaft; 67. a first spring seat; 68. a sliding gear; 69. fixing the rope pulley; 60. a first spring; 651. a double-headed rotating motor; 71. a first rope body; 72. rope coiling disc; 73. a third rotating shaft; 74. fixing a gear; 75. a rope winding wheel; 76. a second rope body; 77. a card slot; 78. rotating the block; 79. a clamping block; 70. a top rod; 81. a transmission groove; 82. a transverse groove; 83. a slider; 84. a second spring; 85. a chute; 86. a top block; 87. a third spring; 88. a third rope body; 89. a latch mounting groove; 80. clamping teeth; 91. and a fourth spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the clean fresh air processing unit for biological laboratory provided in this embodiment includes:
the circulating air duct 1 is arranged between the partition wall and the heat preservation wall;
the circulation duct 1 includes:
the first air inlet 2 is positioned at the bottom of the bin body, and the first air inlet 2 is positioned at the bottom of the bin body;
the second air inlet 3 is positioned on the inner wall of the bin body and close to the top of the bin body;
the air outlet 4 is positioned at the top of the bin body;
clean new trend processing apparatus 5, clean new trend processing apparatus 5 installs in circulating air duct 1.
The working principle and the beneficial effects of the technical scheme are as follows:
the invention discloses a clean fresh air processing unit for a biological laboratory, wherein a first air inlet 2 is arranged at the bottom of a bin body and used for sucking dirty air sinking at the bottom of the bin body, a second air inlet 3 is arranged at the position, close to the top, of the inner wall of the bin body and used for adsorbing air suspended at the top of the bin body, the dirty air in the sealed bin body respectively enters a circulating air duct 1 from the first air inlet 2 and the second air inlet 3, a clean fresh air processing device 5 is used for cleaning the air entering the circulating air duct 1 from the first air inlet 2 and the second air inlet 3, the cleaning efficiency is improved, the cleaned fresh air is discharged into the bin body from an air outlet 4, the fresh air gradually sinks and diffuses in the bin body, and the air flowability in the bin body is increased.
As shown in fig. 2, in an embodiment of the present invention, the clean fresh air processing unit 5 includes a primary filter 51, a plasma generator 52, a middle filter 53, a fan 54, a heat exchanger 55, a humidity controller 56, and a high efficiency filter 57, which are sequentially installed in the circulating air duct 1 along an air flow direction, the humidity controller 56 is located at the rear end of the second air inlet 2, and the high efficiency filter 57 is installed on the air outlet 4.
The working principle and the beneficial effects of the technical scheme are as follows:
when the new trend is at the internal diffusion that gradually sinks of storehouse, the air quality that the internal storehouse is close to the top is better than the air quality that the internal storehouse is close to the bottom, fan 54 inhales the dirty air of storehouse body bottom in circulating air duct 1 from first air intake 2, the prefilter of air is accomplished to primary filter 51, plasma generator 52 accomplishes disinfecting of air, secondary filter of air is accomplished to secondary filter 53, heat exchanger 55 adjusts the air to suitable temperature, primary filter 51, plasma generator 52, secondary filter 53, fan 54, heat exchanger 55 carries out multichannel new trend operation to the poor air of quality that gets into from first air intake 2, humidity controller 56 is used for controlling the circulated air humidity, high efficiency filter 57 carries out the tertiary filtration to the circulated air of air outlet 4 discharge.
As shown in fig. 3, in an embodiment of the present invention, the primary filter 51 includes:
the filter box 511 is positioned between the partition wall and the heat preservation wall;
the inlet 512 is arranged at the bottom end of the filter box 511;
an outlet 513, wherein the outlet 513 is opened at the top end of the filter box 511, and the circulating air duct 1 is connected into the filter box 511 from the inlet 512 and is connected out from the outlet 513;
the filter plate mounting seat 6 is transversely connected to the inner wall of the filter box 511;
and the filter screen plate 7 is arranged on the filter plate mounting seat 6.
The working principle and the beneficial effects of the technical scheme are as follows:
primary filter 51 is arranged in intercepting the macromolecular granule in the internal air in storehouse, because the macromolecular granule is stained with on dirty air, dirty air gets into the rose box 511 in import 512, installs the macromolecular granule in the dirty air of filtering otter board 7 filtration that installs on filter mount pad 6, and prefilter's air is discharged into circulation wind channel 1 from export 513 in, filter otter board 7 is detachable to be installed on filter mount pad 6 to be convenient for filter otter board 7's change.
In one embodiment of the present invention, an access door is installed at the end of the filter box 511 close to the thermal insulation wall, and the access door is exposed out of the inner end of the thermal insulation wall.
The beneficial effects of the above technical scheme are:
the opening of the access door is convenient for replacing the filter screen plate 7.
As shown in fig. 4 and 5, in one embodiment of the present invention, the filter plate mount 6 includes:
the ring seat 61 is of a square frame structure, the outer end of the ring seat 61 is fixedly connected to the inner wall of the filter box 511, and the filter screen plate 7 is matched with the inner end of the ring seat 61;
the section of the rotating seat 62 is designed to be a U-shaped structure, the rotating seat 62 is transversely connected to the inner end of the annular seat 61 and close to the heat-insulating wall, and the bottom end of the filter screen plate 7 is inserted into the rotating seat 62;
the first rotating shaft 63 is connected to two ends of the rotating seat 62 in the length direction, and the end, far away from the rotating seat 62, of the first rotating shaft 63 is inserted into the ring seat 61;
the rotating chamber 64 is arranged in the ring seat 61 and close to the position of the partition wall;
the transmission chamber 65 is arranged in the ring seat 61, and the two rotation chambers 65 are symmetrically distributed at the side end of the rotation chamber 64;
a dual head rotary motor 651, said dual head rotary motor 651 located within the rotary chamber 64;
the second rotating shaft 66 is connected to the output end of the double-head rotating motor 651, and the end, away from the double-head rotating motor 651, of the second rotating shaft 66 penetrates through the transmission chamber 64;
a first spring seat 67, the first spring seat 67 being located in the transmission chamber 65 and connected to the second rotating shaft 66;
the sliding gear 68 is positioned in the transmission chamber 65 and sleeved on the second rotating shaft 66, and the sliding gear 68 is positioned at the end of the first spring seat 67 away from the rotating chamber 65;
a first spring 60, the first spring 60 being connected between the slide gear 68 and the first spring seat 67;
a fixed sheave 69, the fixed sheave 69 being connected to an end of the slide gear 68 remote from the first spring seat 67, the second rotating shaft 66 being inserted through the fixed sheave 69;
a first rope body 71, wherein the first rope body 71 is wound around the fixed sheave 69;
and the rope winding disc 72 is connected to the end, far away from the rotating seat 62, of the first rotating shaft 63, and the end, far away from the fixed rope pulley 69, of the first rope body 71 penetrates through the end, far away from the rotating chamber 64, of the inner wall of the transmission chamber 65 and is wound on the rope winding disc 72.
The working principle and the beneficial effects of the technical scheme are as follows:
when the filter screen plate 7 needs to be replaced, the double-headed motor 651 arranged in the rotating chamber 64 rotates to further drive the second rotating shaft 66 connected to the output end of the double-headed motor 651 to rotate, when the second rotating shaft 66 rotates, the first spring seat 67 connected to the second rotating shaft 66 and the sliding gear 68 connected with the first spring seat 67 through the first spring 60 are driven to rotate in the transmission chamber 65, when the sliding gear 68 rotates, the fixed rope pulley 69 connected with the sliding gear is driven to rotate, the fixed rope pulley 69 winds the first rope body 71 on the fixed rope pulley 69, so that the rope winding disc 72 connected with the first rotating shaft 63 is pulled to rotate, the fixed rope pulley 69 drives the first rotating shaft 63 to rotate, the rotating seat 62 connected with the first rotating shaft 63 is driven to rotate at the position, close to the heat insulation wall, of the inner end of the annular seat 61, the rotating seat 62 is turned out, when the rope winding disc 72 is pulled by the first rope body 71 to rotate, because of the dead weight of the filter screen plate 7 and the rotating seat 62, the first rope body 71 generates a reverse acting force, the first rope body 71 pulls the fixed rope wheel 69 along the inner wall of the transmission chamber 65 away from the end of the rotating chamber 64, because the fixed rope wheel 69 and the sliding gear 68 are arranged on the second rotating shaft 66 in a penetrating way, when the fixed rope wheel 69 drives the sliding gear 68 to rotate, the first spring seat 67 connected with the sliding gear 68 through the first spring 60 is fixed and fixed, the first spring 60 is twisted and simultaneously stretched, the fixed rope wheel 69 and the sliding gear 68 move in the transmission chamber 65 away from the rotating chamber 64, the filter screen plate 7 is manually drawn out from the rotating seat 62 and replaced by a new filter screen plate 7, at this time, the double-head motor 651 is driven to rotate reversely, the first spring seat 67 is driven to rotate along the twisting direction of the first spring 60, the twisting force of the first spring 60 disappears, and the first spring 60 retracts, the sliding gear 68 drives the fixed rope wheel 69 to move towards the direction close to the first spring seat 67, the first rope body 71 coiled on the fixed rope wheel 69 is released, the acting force of the fixed rope wheel 69 on the first rope body 71 disappears, the rotating seat 62 drives the first rotating shaft 63 to rotate reversely under the self weight of the filter screen plate 7, the first rope body 71 is coiled on the rope coiling disk 72 again, the filter screen plate 7 is installed at the inner end of the filter plate installation seat 6 again, the inner end of the ring seat 61 can be provided with a step surface, and the filter screen plate 7 can be fixedly installed on the step surface.
As shown in fig. 6 and 7, in an embodiment provided by the present invention, the present invention further includes:
a third rotating shaft 73, wherein the third rotating shaft 73 is positioned in the transmission chamber 65, and the third rotating shaft 73 is arranged in parallel with the second rotating shaft 66;
a fixed gear 74 connected to the third rotating shaft 73, the fixed gear 74 being engaged with the sliding gear 68;
a rope winding wheel 75, wherein the rope winding wheel 75 is connected to the third rotating shaft 73, and the rope winding wheel 75 is arranged close to the rotating chamber 64;
a second rope 76, the second rope 76 being connected to the rope winding wheel 75;
the clamping groove 77 is formed in the inner end of the ring seat 61;
the rotating block 78 is rotatably connected to the bottom end of the clamping groove 77 through a return rotating shaft;
the rope groove is formed in the rotating block 78, and the end, far away from the rope rolling wheel 75, of the second rope body 76 penetrates through the transmission chamber 65 and is rolled in the rope groove;
a latch 79, wherein the latch 79 is connected to the position close to the notch in the slot 77;
the ejector rod 70 is connected to the non-central position of the rotating block 78 close to the end of the clamping block 79;
the transmission groove 81 is formed in the end, close to the rotating block 78, of the clamping block 79, the transmission groove 81 is of a notched circular structure, the bottom end of the transmission groove 81 is obliquely arranged, and the ejector rod 70 is slidably connected into the transmission groove 81;
the transverse groove 82 is formed in the inner wall of the clamping groove 77;
the sliding block 83 is connected in the transverse groove 82 in a sliding mode, and the sliding block 83 is connected with the fixture block 79;
and the second spring 84 is arranged in the transverse groove 82, one end of the second spring 84 is connected with the sliding block 83, and the other end of the second spring 84 is connected with the inner wall of the transverse groove 82.
The working principle and the beneficial effects of the technical scheme are as follows:
when the rotating seat 62 needs to be turned over to complete the installation of the filter screen plate 7, due to the acting force of the first rope 71, the sliding gear 68 connected with the fixed rope pulley 69 moves in the direction away from the first spring seat 67, and synchronously, the fixed gear 74 meshed with the sliding gear 68 drives the third rotating shaft 73 to rotate in the transmission chamber 65, so as to drive the rope winding pulley 75 connected with the third rotating shaft 73 to pull the second rope 76, the second rope 76 is wound on the rope winding pulley 75, so as to drive the rotating block 78 connected with the end of the second rope 76 away from the rope winding pulley 75 to rotate in the clamping groove 77, at this time, the ejector rod 70 connected with the clamping block 78 moves to the lower end of the transmission groove 81 in the transmission groove 81, under the contraction force of the second spring 84, the sliding block 83 drives the clamping block 79 to move in the direction close to the rotating block 78, the clamping block 79 retracts in the clamping groove 77, so as to lose the acting force on, at this time, synchronously, the first rope body 71 pulls the rope winding disc 72 to rotate, the rotating seat 62 is turned over at the inner end of the ring seat 61, when the first rope body 71 pulls the rope winding disc 72 to rotate to the maximum angle, the sliding gear 68 is disengaged from the fixed gear 74 engaged with the sliding gear 68, the mandril 70 connected with the fixture block 78 moves to the lower end of the transmission groove 81, when the new filter screen plate 7 is assembled and the filter screen plate 7 needs to be returned to the inner end of the ring seat 61, at this time, as the first spring 60 retracts, the sliding gear 68 drives the fixed rope wheel 69 to move towards the direction close to the first spring seat 67, the sliding gear 68 is connected with the fixed gear 74 again to drive the fixed gear 74 to rotate reversely, the fixed gear 74 sequentially drives the third rotating shaft 73 connected with the fixed gear 74 and the rope winding wheel 75 connected with the third rotating shaft 73 to rotate reversely, the rope winding wheel 75 loses the pulling force of the second rope body 76, and the rotating block 78 rotates under the action of the, and further drive the knockout pin 70 connected with the rotary block 78 to move towards the high-order end of the drive groove 81 in the drive groove 81, the second spring 84 is pulled up, the dog 79 is pushed out of the notch end of the dog 77 in the dog 77 by the knockout pin 70, the dog 79 blocks the filter screen plate 7 again, thus strengthening the fixation of the filter screen plate 7 at the inner end of the ring seat 61, when the filter screen plate 7 which is changed is required to be installed at the inner end of the ring seat 61, only the double-head rotating motor 651 needs to be driven reversely, at this moment, the pulling force of the first rope 71 disappears, the sliding gear 68 instantly moves towards the direction close to the first spring seat 67, the sliding gear 68 is meshed with the fixed gear 74 again, and drives the fixed gear 74 to rotate reversely, the pulling force of the second rope 76 disappears, under the action of the return rotating shaft, the rotary block 78 returns to the inside the dog 77, the dog 79 exposes from the notch end of the dog 77, at, the second spring 84 retracts, the push rod 70 moves towards the low end of the transmission groove 81 in the transmission groove 81, the rotating block 78 synchronously rotates, when the filter screen plate 7 is pressed into the inner end of the ring seat 61, under the reverse action of the second spring 84, the clamping blocks 79 clamp the two edge ends of the filter screen plate 7 to realize the fixation of the filter screen plate 7, the return rotating shaft comprises a rotating shaft and a coil spring sleeved on the rotating shaft, one end of the rotating shaft is connected to the rotating block 78, the other end of the rotating shaft is connected to the groove bottom end of the clamping groove 77, the other end of the rotating shaft is sleeved with the coil spring, and the coil spring is fixed to the groove.
As shown in fig. 8, in an embodiment provided by the present invention, the method further includes:
the chute 85 is arranged at the inner end of the ring seat 61, and the lower end of the chute 85 is far away from the first rotating shaft 63;
the jacking block 86, the jacking block 86 is arranged in the chute 85;
the third spring 87 is arranged in the chute 85, one end of the third spring 87 is connected with the top block 86, and the other end of the third spring 87 is connected with the high-position end, close to the inner wall of the chute 85;
a third rope body 88, wherein the third rope body 88 is connected with the end, close to the third spring 87, of the top block 86;
the latch mounting groove 89 is formed in the inner wall of the clamping groove 77 and is close to the end 85 of the chute;
the latch 80 is connected to the bottom end of the latch mounting groove 89 through a fourth spring 91, the end of the third rope body 88 far away from the top block 86 penetrates through the inner wall of the chute 85, the bottom of the latch mounting groove 89, and the fourth spring 91 is connected with the latch 80;
the bayonet is arranged on the clamping block 79, and the clamping teeth 80 are matched with the bayonet;
wherein, the elastic force of the third spring 87 is larger than that of the fourth spring 91.
The working principle and the beneficial effects of the technical scheme are as follows:
when the filter screen plate 7 is turned over out of the inner end of the ring seat 61, the top block 86 loses the binding force of the filter screen plate 7 in the chute 85, the fourth spring 91 retracts, the top block 86 is pulled to move towards the high-position end of the chute 85 in the chute 85, the top block 86 is exposed out of the groove end of the chute 85, because the elasticity of the third spring 87 is larger than that of the fourth spring 81, under the action of the third spring 87, the top block 86 sequentially pulls the third rope body 88 and the latch 80 connected with the end, far away from the top block 86, of the third rope body 88 to move towards the bottom end of the latch installation groove 89 in the latch installation groove 89, the fourth spring 91 retracts, the latch 80 is disengaged from the bayonet, the second spring 84 extends, and synchronously, the latch 79 is exposed out of the groove end of the latch 77, when the filter screen plate 7 is re-installed, the filter screen plate 7 is turned over reversely and returns to the ring seat 61, the filter screen plate 7 preferentially contacts the top block 86, and presses the top block 86 to move towards, the top block 86 completely enters the chute 85, at this time, the third spring 87 is stretched, the third rope body 88 loses the acting force of the retraction of the third spring 87, so that the fourth spring 91 is extended and restored, at this time, the latch 80 slowly moves towards the notch end close to the latch mounting groove 89 in the latch mounting groove 89, when the filter screen plate 7 is pressed with slight force, the latch 79 retracts towards the bottom end of the slot 77, the second spring 84 retracts, the push rod 70 moves towards the lower end of the transmission groove 81 in the transmission groove 81, synchronously, the rotating block 78 rotates, when the filter screen plate 7 presses the inner end of the ring seat 61, under the reverse action of the second spring 84, when the latch 79 clamps the two edge ends of the filter screen plate 7, the latch 80 extends into the latch under the acting force of the fourth spring 91, so that the latch 79 is locked, and the latch 79 is enabled to keep the clamping state of the filter screen plate 7.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (7)

1. The utility model provides a clean new trend processing unit in biological laboratory which characterized in that includes:
the circulating air duct (1), the said circulating air duct (1) is installed between partition wall and thermal insulation wall;
the circulating air duct (1) comprises:
the first air inlet (2), the first air inlet (2) is positioned at the bottom of the bin body;
the second air inlet (3), the second air inlet (3) is positioned on the inner wall of the bin body and close to the top;
the air outlet (4), the said air outlet (4) locates at the top of storehouse body;
clean fresh air processing apparatus (5), clean fresh air processing apparatus (5) are installed in circulating air duct (1).
2. The clean fresh air processing unit for the biological laboratory according to claim 1, wherein the clean fresh air processing unit (5) comprises a primary filter (51), a plasma generator (52), a middle-effect filter (53), a fan (54), a heat exchanger (55), a humidity controller (56) and a high-efficiency filter device (57) which are sequentially arranged in the circulating air duct (1) along the air flow direction, the humidity controller (56) is positioned at the rear end of the second air inlet (2), and the high-efficiency filter device (57) is arranged on the air outlet (4).
3. The clean fresh air processing unit for biological laboratory according to claim 2, wherein the primary filter (51) comprises:
the filter box (511) is positioned between the partition wall and the heat preservation wall;
the inlet (512) is formed in the bottom end of the filter box (511);
the outlet (513) is formed in the top end of the filter tank (511), and the circulating air duct (1) is connected into the filter tank (511) from the inlet (512) and is connected out from the outlet (513);
the filter plate mounting seat (6), the filter plate mounting seat (6) is transversely connected to the inner wall of the filter box (511);
and the filter screen plate (7), the filter screen plate (7) is arranged on the filter plate mounting seat (6).
4. The clean fresh air processing unit for the biological laboratory as claimed in claim 3, wherein an access door is installed at the end of the filter box (511) close to the heat-insulating wall, and the access door is exposed out of the inner end of the heat-insulating wall.
5. A clean fresh air handling unit for biological laboratories according to claim 3, wherein the filter plate mount (6) comprises:
the ring seat (61) is of a square frame structure, the outer end of the ring seat (61) is fixedly connected to the inner wall of the filter box (511), and the filter screen plate (7) is matched with the inner end of the ring seat (61);
the cross section of the rotating seat (62) is of a U-shaped structure, the rotating seat (62) is transversely connected to the inner end of the ring seat (61) and close to the heat-insulation wall, and the bottom end of the filter screen plate (7) is inserted into the rotating seat (62);
the first rotating shaft (63) is connected to two ends of the rotating seat (62) in the length direction, and the end, far away from the rotating seat (62), of the first rotating shaft (63) is inserted into the ring seat (61);
the rotating chamber (64), the said rotating chamber (64) locates in the said ring seat (61) and is close to the position of the partition wall;
the transmission chambers (65) are arranged in the ring seat (61), and the two rotation chambers (65) are symmetrically distributed at the side end of the rotation chamber (64);
a dual head rotary motor (651), said dual head rotary motor (651) located within a rotary chamber (64);
the second rotating shaft (66), the second rotating shaft (66) is connected to the output end of the double-head rotating motor (651), and the end, far away from the double-head rotating motor (651), of the second rotating shaft (66) penetrates through the transmission chamber (64);
a first spring seat (67), the first spring seat (67) being located within the transmission chamber (65) and connected to the second rotational shaft (66);
the sliding gear (68) is positioned in the transmission chamber (65) and sleeved on the second rotating shaft (66), and the sliding gear (68) is positioned at the end, far away from the rotating chamber (65), of the first spring seat (67);
a first spring (60), the first spring (60) being connected between the slide gear (68) and the first spring seat (67);
the fixed rope pulley (69), the said fixed rope pulley (69) links to the said sliding gear (68) and keeps away from the end of the first spring seat (67), the said second rotating shaft (66) is worn and set in the fixed rope pulley (69);
a first rope body (71), wherein the first rope body (71) is wound on the fixed rope wheel (69);
the rope coiling disc (72) is connected to the end, far away from the rotating seat (62), of the first rotating shaft (63), and the end, far away from the fixed rope wheel (69), of the first rope body (71) penetrates through the end, far away from the rotating chamber (64), of the inner wall of the transmission chamber (65) and is coiled on the rope coiling disc (72).
6. The clean fresh air processing unit for biological laboratories as claimed in claim 5, further comprising:
a third rotating shaft (73), wherein the third rotating shaft (73) is positioned in the transmission chamber (65), and the third rotating shaft (73) is arranged in parallel with the second rotating shaft (66);
a fixed gear (74), the fixed gear (74) being connected to the third rotational shaft (73), the fixed gear (74) being engaged with the sliding gear (68);
a rope winding wheel (75), wherein the rope winding wheel (75) is connected to a third rotating shaft (73), and the rope winding wheel (75) is arranged close to the rotating chamber (64);
a second rope body (76), the second rope body (76) being connected to the rope winding wheel (75);
the clamping groove (77) is formed in the inner end of the ring seat (61);
the rotating block (78) is rotatably connected to the bottom end of the clamping groove (77) through a return rotating shaft;
the rope groove is formed in the rotating block (78), and the end, far away from the rope rolling wheel (75), of the second rope body (76) penetrates through the transmission chamber (65) and is rolled in the rope groove;
the clamping block (79), the clamping block (79) is connected to the position, close to the notch, in the clamping groove (77);
the ejector rod (70), the said ejector rod (70) is connected to the said rotary block (78) and close to the non-central position of end of the fixture block (79);
the transmission groove (81) is formed in the end, close to the rotating block (78), of the clamping block (79), the transmission groove (81) is of a notched circular structure, the groove bottom end of the transmission groove (81) is obliquely arranged, and the ejector rod (70) is connected into the transmission groove (81) in a sliding mode;
the transverse groove (82), the said transverse groove (82) is set up on the inner wall of the neck (77);
the sliding block (83), the sliding block (83) is connected in the horizontal groove (82) in a sliding mode, and the sliding block (83) is connected with the clamping block (79);
the second spring (84) is arranged in the transverse groove (82), one end of the second spring (84) is connected with the sliding block (83), and the other end of the second spring (84) is connected with the inner wall of the transverse groove (82).
7. The clean fresh air processing unit for biological laboratories as claimed in claim 6, further comprising:
the chute (85) is arranged at the inner end of the ring seat (61), and the low-position end of the chute (85) is far away from the first rotating shaft (63);
the jacking block (86), the jacking block (86) is arranged in the chute (85);
the third spring (87) is arranged in the chute (85), one end of the third spring (87) is connected with the top block (86), and the other end of the third spring (87) is connected with the upper end, close to the inner wall of the chute (85), of the chute (85);
a third rope body (88), wherein the third rope body (88) is connected with the end, close to a third spring (87), of the top block (86);
the latch mounting groove (89) is formed in the end, close to the chute (85), of the inner wall of the clamping groove (77);
the latch (80) is connected to the bottom end of the latch mounting groove (89) through a fourth spring (91), the end, far away from the top block (86), of the third rope body (88) penetrates through the inner wall of the chute (85), the bottom of the latch mounting groove (89), and the fourth spring (91) is connected with the latch (80);
the bayonet is arranged on the clamping block (79), and the clamping teeth (80) are matched with the bayonet;
wherein the elastic force of the third spring (87) is larger than that of the fourth spring (91).
CN202010468762.XA 2020-05-28 2020-05-28 Clean fresh air processing unit for biological laboratory Pending CN111692659A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010468762.XA CN111692659A (en) 2020-05-28 2020-05-28 Clean fresh air processing unit for biological laboratory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010468762.XA CN111692659A (en) 2020-05-28 2020-05-28 Clean fresh air processing unit for biological laboratory

Publications (1)

Publication Number Publication Date
CN111692659A true CN111692659A (en) 2020-09-22

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Application Number Title Priority Date Filing Date
CN202010468762.XA Pending CN111692659A (en) 2020-05-28 2020-05-28 Clean fresh air processing unit for biological laboratory

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112616360A (en) * 2020-12-31 2021-04-09 天津市裕丰绿创农业科技有限公司 Detachable germination accelerating chamber and using method thereof
CN114260277A (en) * 2021-12-06 2022-04-01 北京戴纳实验科技有限公司 Ventilation unit is used in laboratory

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200420143Y1 (en) * 2006-04-12 2006-07-03 주식회사 광산기공 The filter plate linking device for filter press
CN102635907A (en) * 2012-03-29 2012-08-15 浙江丽兹医用工程有限公司 Energy-saving operating room air treatment system and clean operating room
CN209628350U (en) * 2019-01-08 2019-11-15 甘肃科创生态农业有限责任公司 A kind of poultry cultivation house cooling ventilation device
CN213066362U (en) * 2020-05-28 2021-04-27 北京戴纳实验科技有限公司 Clean fresh air processing unit for biological laboratory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200420143Y1 (en) * 2006-04-12 2006-07-03 주식회사 광산기공 The filter plate linking device for filter press
CN102635907A (en) * 2012-03-29 2012-08-15 浙江丽兹医用工程有限公司 Energy-saving operating room air treatment system and clean operating room
CN209628350U (en) * 2019-01-08 2019-11-15 甘肃科创生态农业有限责任公司 A kind of poultry cultivation house cooling ventilation device
CN213066362U (en) * 2020-05-28 2021-04-27 北京戴纳实验科技有限公司 Clean fresh air processing unit for biological laboratory

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112616360A (en) * 2020-12-31 2021-04-09 天津市裕丰绿创农业科技有限公司 Detachable germination accelerating chamber and using method thereof
CN112616360B (en) * 2020-12-31 2022-06-10 天津市裕丰绿创农业科技有限公司 Detachable germination accelerating room and using method thereof
CN114260277A (en) * 2021-12-06 2022-04-01 北京戴纳实验科技有限公司 Ventilation unit is used in laboratory
CN114260277B (en) * 2021-12-06 2022-11-08 北京戴纳实验科技有限公司 Ventilation unit is used in laboratory

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