CN110332769B - Laboratory is with drying device that disinfects - Google Patents
Laboratory is with drying device that disinfects Download PDFInfo
- Publication number
- CN110332769B CN110332769B CN201910398967.2A CN201910398967A CN110332769B CN 110332769 B CN110332769 B CN 110332769B CN 201910398967 A CN201910398967 A CN 201910398967A CN 110332769 B CN110332769 B CN 110332769B
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- Prior art keywords
- heat exchange
- channel
- shell
- box body
- air inlet
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
Abstract
The invention provides a sterilizing and drying device for a laboratory, which comprises a box body, wherein the box body comprises a box door, the box door is arranged at the outer side end of the box body, and the outer surface of the box body is respectively provided with an air inlet channel and an air outlet channel; the object placing platform is arranged in the box body; the drying device is arranged on the inner wall of the box body and is arranged close to the air inlet channel, the drying device comprises a rotating motor, the rotating motor is connected to the inner wall of the box body and is arranged close to the air inlet channel, the output end of the rotating motor is arranged far away from the inner wall of the box body, the output end of the rotating motor is connected with a rotating fan blade, a heating assembly is arranged at the end, away from the rotating motor, of the rotating fan blade, and the heating assembly is connected to the inner wall of the box body through a support; the sterilizing lamp is arranged on the inner wall of the box body; the control unit is arranged at the outer side end of the box body, and the rotating motor and the sterilizing lamp are electrically connected with the control unit.
Description
Technical Field
The invention belongs to the technical field of devices for laboratories, and particularly relates to a sterilizing and drying device for laboratories.
Background
In the experiment, different glassware is needed to extract the reagent, the simplest method for drying the glassware is to allow the glassware to stand overnight, the cleaned glassware is inverted for a period of time and then can be used without water, and if no water is strictly required, the glassware needed to be used can be dried in an oven.
The oven used in the laboratory is generally the same as the ordinary oven, the instrument is arranged on the placing rack, the temperature in the oven is raised through the heating device, the residual moisture on the instrument is evaporated, and the steam is discharged through the air exhaust device on the oven, so that the instrument is dried. However, most of the existing drying devices do not have a sterilization function, so that unnecessary influences are easily brought to subsequent tests due to incomplete cleaning.
Disclosure of Invention
The invention provides a sterilization drying device for a laboratory, which is used for drying and sterilizing a glass instrument through the drying device and a sterilizing lamp, and comprises the following components:
the box body comprises a box door, the box door is arranged at the outer side end of the box body, and an air inlet channel and an air outlet channel are respectively arranged on the outer surface of the box body;
the object placing platform is arranged in the box body;
the drying device is arranged on the inner wall of the box body and is arranged close to the air inlet channel, the drying device comprises a rotating motor, the rotating motor is connected to the inner wall of the box body and is arranged close to the air inlet channel, the output end of the rotating motor is arranged far away from the inner wall of the box body, the output end of the rotating motor is connected with a rotating fan blade, a heating assembly is arranged at the end, away from the rotating motor, of the rotating fan blade, and the heating assembly is connected to the inner wall of the box body through a support;
the sterilizing lamp is arranged on the inner wall of the box body;
the control unit is arranged at the outer side end of the box body, and the rotating motor, the sterilizing lamp and the heating assembly are electrically connected with the control unit.
Preferably, the air inlet channel and the air outlet channel are respectively arranged at the outer side end of the box body in an opposite manner, the inlet end of the air inlet channel and the outlet end of the air outlet channel are respectively covered with a dustproof filter screen, and the bactericidal lamp is arranged on the inner wall of the upper end of the box body.
Preferably, the object placing platform comprises a bottom plate, the lower end of the bottom plate is connected with the inner wall of the bottom end of the box body, a plurality of liquid collecting grooves are formed in the upper end of the bottom plate, a plurality of supporting columns are connected to the bottoms of the liquid collecting grooves, the lower ends of the supporting columns are connected with the bottoms of the liquid collecting grooves, and the upper ends of the supporting columns are inclined and close to the box doors.
Preferably, the box includes first casing and second casing, storage platform, drying device and bactericidal lamp are located in the first casing, the chamber door is located first casing outside end, air inlet channel and air-out passageway subtend respectively locate first casing outside end, second casing cover is located first casing surface, just the cooperation has been seted up to second casing outside end the opening that the chamber door was opened, second casing outside end corresponds air inlet channel position is equipped with the grid of giving vent to anger, be connected with first heat transfer device between first casing and the second casing, the control unit is located second casing outside end, first heat transfer device with the control unit electricity is connected.
Preferably, the first heat exchange device comprises a first heat exchange tube, a second heat exchange tube and a third heat exchange tube, the first heat exchange tube, the second heat exchange tube and the third heat exchange tube are integrally arranged in a C shape and buckled at the outer side end of the first shell, one end of the first heat exchange tube is communicated with a water inlet chamber, the water inlet chamber and the air inlet channel are arranged at the same side end, the water inlet chamber is arranged at the position close to the bottom end of the first shell side end, the other end of the first heat exchange tube is bent towards the second heat exchange tube to form a first bent part and is communicated with the second heat exchange tube, a second bent part communicated with the third heat exchange tube is arranged at the same end as the first bent part on the second heat exchange tube, one end of the third heat exchange tube is communicated with a water outlet chamber, the water outlet chamber and the air outlet channel are arranged at the same side end, and the water outlet, the utility model discloses a refrigerator, including the delivery chamber, the delivery chamber is equipped with a plurality of heat conduction sheetmetals, it is a plurality of in equidistant row in the delivery chamber heat conduction sheetmetal one end with connect in the refrigeration piece of delivery chamber outside end is connected, be equipped with first separation blade in lieing in first heat exchange tube on the first kink, first separation blade downwardly extending extends to the lower extreme of second heat exchange tube, be equipped with the second separation blade in lieing in the second heat exchange tube on the second kink, the second separation blade downwardly extending to the lower extreme of third heat exchange tube, the intercommunication has the wet return of area pump between intake chamber and the delivery chamber, refrigeration piece and wet return of area pump all with the control unit electricity is connected.
Preferably, the air outlet end of the air outlet channel is connected with a second heat exchange device, the second heat exchange device comprises a heat exchange shell, the heat exchange shell is embedded in the air outlet channel, the side end of the heat exchange shell is respectively provided with a second air inlet and a second air outlet, the second air inlet and the second air outlet are arranged at the same side end, the second air inlet is connected in the first shell, the second air outlet is connected between the first shell and the second shell and is arranged close to the air outlet grid, an interlayer is vertically arranged in the heat exchange shell, the bottom end of the interlayer is respectively provided with an interlayer water inlet and an interlayer water outlet, the interlayer water inlet and the interlayer water outlet are both arranged between the first shell and the second shell, the interlayer water inlet is connected with a water inlet pipe, the water inlet pipe penetrates through the bottom end of the heat exchange shell and is connected in the water inlet chamber, the outlet pipe runs through heat transfer shell bottom is connected in the delivery chamber, pass through in the heat transfer shell the interlayer is with dividing interior heat transfer passageway and outer heat transfer passageway in it, interior heat transfer passageway is return stroke passageway with outer heat transfer passageway, interior heat transfer passageway all through the tube coupling with outer heat transfer passageway in the delivery chamber, outer heat transfer passageway is arranged in interior heat transfer passageway outer end, interior heat transfer passageway entrance point with outer heat transfer passageway entrance point respectively with the second air inlet is connected, interior heat transfer passageway exit end with outer heat transfer passageway exit end respectively with the second gas vent is connected, interior heat transfer passageway entrance point is connected with air inlet unit, air inlet unit with the control unit electricity is connected.
Preferably, the air inlet device comprises a ring body, the ring body is connected to the inlet end of the inner heat exchange channel, the outer ring end of the ring body is internally tangent to the inner wall of the inner heat exchange channel, one port of the ring body is provided with a slot, the slot is far away from the inlet end of the inner heat exchange channel, the ring body is hinged with a baffle close to the slot end, the baffle covers the inner ring opening of the ring body and partially covers the slot opening, the hinged end of the ring body is connected with a reset coil spring, the slot is provided with a cavity close to the inner ring end of the ring body, the cavity is connected with a trigger part, the trigger part comprises two limiting plates, the two limiting plates are vertically arranged on the cavity, the inner walls of the two limiting plates are close to the inner ring end of the ring body, the connecting piece is clamped between the two limiting plates, the limiting, the pivot connect in the guide way, the guide way includes starting point and terminal point, the starting point is relative the perpendicular distance of fluting inner wall is greater than the terminal point is relative the perpendicular distance of fluting inner wall, the starting point with it is excessive through the progressively increasing formula of smooth line between the terminal point, a connecting piece end connection has flexible motor, flexible motor connect in its inner wall of cavity is close to ring body inner ring end, flexible motor output with the connecting piece is connected, just flexible motor output with the setting of starting point collineation, another end connection of connecting piece has the ejector pin, the ejector pin is established to be from it to be close to connecting piece end and keep away from the connecting piece end and be progressively perk form to it, flexible motor with the control unit electricity is connected.
Preferably, the first shell is connected with a pressure detection switch, the pressure detection switch comprises an air pipe joint, a fixing part and a sensor, the sensor is connected in the air pipe joint through the fixing part, the other end of the air pipe joint is provided with a gas passage, the gas passage is connected in the first shell in a penetrating way, the sensor is used for detecting the pressure in the first shell and outputting a pressure signal, the sensor comprises a sensor diaphragm and a conversion circuit board, one side of the sensor diaphragm is communicated with the gas passage, the other side of the sensor diaphragm is printed with a sensor circuit connected with the conversion circuit board, the conversion circuit board is provided with a signal output line, the longitudinal section of the sensor diaphragm is arranged in an H shape, the sensor circuit is printed on the inner side of the flange of the sensor diaphragm, the air pipe joint is provided with a containing groove for, and be used for the intercommunication storage tank and gas channel's inlet channel, the sensor diaphragm locate in the storage tank and its outer fringe with storage tank inner wall sealing contact is equipped with the diaphragm recess of constituteing the cavity jointly with the storage tank on the sensor diaphragm, be equipped with sealed the pad between sensor diaphragm and the storage tank bottom surface, sealed the pad and be equipped with the sealed pad passageway that is used for communicateing diaphragm recess and inlet channel, the mounting sets up on the storage tank top and is used for making the sensor diaphragm compress tightly to sealed the pad, and the control unit is used for handling the pressure signal that the pressure detection switch detected and controlling according to the processing result the air inlet unit.
Preferably, the method further comprises the following steps:
the first electronic switch is connected with the telescopic motor and used for controlling the telescopic motor to be started or closed;
the second electronic switch is connected with the drying device and used for controlling the drying device to be started or closed;
the first electronic switch includes:
the power amplifier comprises a first power triode and a first current limiting resistor;
the positive electrode of a power supply of the telescopic motor is connected with the collector electrode of the first power triode through the telescopic motor, and the negative electrode of the power supply of the telescopic motor is connected with the emitter electrode of the first power triode; the emitting electrode of the first power triode is grounded;
the control unit is connected with the base electrode of the first power triode through the first current-limiting resistor;
the second electronic switch includes:
the second power triode and the second current limiting resistor;
the positive electrode of a power supply of the drying device is connected with the collector electrode of the second power triode through the drying device, and the negative electrode of the power supply of the drying device is connected with the emitter electrode of the second power triode; the emitter of the second power triode is grounded;
the control unit is connected with the base electrode of the second power triode through the second current-limiting resistor;
the control unit comprises the following working steps:
acquiring a pressure signal acquired by the sensor; when the pressure signal collected by the sensor exceeds a set first threshold value;
sending an opening signal to the first electronic switch, wherein the first electronic switch controls the telescopic motor to start, and the air inlet device is opened;
when the pressure signal acquired by the sensor exceeds a set second threshold value, the control unit controls the drying device to be turned off through a second electronic switch.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front perspective view of a sterilization and drying device for a laboratory in an embodiment of the invention;
FIG. 2 is a connection diagram of a laboratory sterilization and drying apparatus according to an embodiment of the present invention;
FIG. 3 is a top perspective view of a laboratory sterilization and drying apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a first heat exchange device in a laboratory sterilization and drying device in an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a second heat exchange device in the laboratory sterilizing and drying device in the embodiment of the invention;
FIG. 6 is a schematic structural view of an air inlet device in a laboratory sterilization and drying device in an embodiment of the present invention;
FIG. 7 is a first diagram of the movement position relationship of the reference symbol A in FIG. 6;
FIG. 8 is a second diagram of the movement position relationship of the label A in FIG. 6;
FIG. 9 is a schematic diagram of a pressure detection switch in the laboratory sterilization and drying apparatus according to an embodiment of the present invention;
FIG. 10 is a schematic diagram illustrating a control of a telescopic motor in the laboratory sterilizing and drying apparatus according to an embodiment of the present invention;
fig. 11 is a control schematic diagram of a drying device in a laboratory sterilization drying device in an embodiment of the invention.
In the figure: 1. a box body; 2. a placement platform; 3. a drying device; 4. a germicidal lamp; 5. a control unit; 6. a first heat exchange means; 7. a second heat exchange means; 8. an air intake device; 9. a pressure detection switch; 11. a pressure sensor; 1-1, a box door; 1-2, an air inlet channel; 1-3, an air outlet channel; 1-4, a first shell; 1-5, a second shell; 2-1, a bottom plate; 2-2, a liquid collecting tank; 2-3, supporting columns; 3-1, rotating the motor; 3-2, rotating the fan blade; 3-3, heating components; 6-1, a first heat exchange tube; 6-2, a second heat exchange tube; 6-3, a third heat exchange tube; 6-4, a water inlet chamber; 6-5, a first bending part; 6-6, a second bending part; 6-7, a water outlet chamber; 6-8, a first baffle plate; 6-9 and a second baffle; 6-0, a water return pipe with a pump; 7-1, a heat exchange shell; 7-2, a second air inlet; 7-3, a second exhaust port; 7-4, interlayer; 7-41 parts of interlayer water inlet; 7-42, interlayer water outlet; 7-5, an internal heat exchange channel; 7-6, an external heat exchange channel; 8-1, a ring body; 8-2, slotting; 8-3, a baffle plate; 8-4, a cavity; 8-5, a trigger; 8-51, a limiting plate; 8-52, connecting pieces; 8-53, a guide groove; 8-531, starting point; 8-532, end point; 8-54, a rotating shaft; 8-55, a telescopic motor; 8-56, a mandril; 9-1, a gas pipe joint; 9-2, fixing parts; 9-3, a sensor; 9-4, a gas channel; 9-5, an air inlet channel; 9-6, sealing gaskets; 9-7, a containing groove; 9-31, a sensor diaphragm; 9-32, a conversion circuit board; 9-33, a sensor circuit; 9-34, signal output lines; 9-60 parts of a sealing gasket channel; 10-1, a first electronic switch; 10-2, a second electronic switch; 10-11, a first power triode; 10-12, a first current limiting resistor; 10-21, a second power triode; 10-22 second current limiting resistors.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a sterilization and drying apparatus for a laboratory, including:
the box body 1 comprises a box door 1-1, the box door 1-1 is arranged at the outer side end of the box body 1, and an air inlet channel 1-2 and an air outlet channel 1-3 are respectively arranged on the outer surface of the box body 1;
the object placing platform 2 is arranged in the box body 1;
the drying device 3 is arranged on the inner wall of the box body 1 and is arranged close to the air inlet channel 1-2, the drying device 3 comprises a rotating motor 3-1, the rotating motor 3-1 is connected to the inner wall of the box body 1 and is arranged close to the air inlet channel 1-2, the output end of the rotating motor 3-1 is arranged far away from the inner wall of the box body 1, the output end of the rotating motor 3-1 is connected with a rotating fan blade 3-2, the end, far away from the rotating motor 3-1, of the rotating fan blade 3-2 is provided with a heating component 3-3, and the heating component 3-3 is connected to the inner wall of the box body 1 through a support;
the sterilizing lamp 4 is arranged on the inner wall of the box body 1;
the control unit 5 is arranged at the outer side end of the box body 1, and the rotating motor 3-1, the sterilizing lamp 4 and the heating assembly 3-3 are all electrically connected with the control unit 5.
The working principle and the beneficial effects of the technical scheme are as follows: an operator opens the box door 1-1, places glass instruments to be dried on the object placing platform 2, closes the box door 1-1, and sends work instructions to the drying device 3 and the sterilizing lamp 4 through the control unit 5 respectively, the drying device 3 and the sterilizing lamp 4 work, the rotating motor 3-1 blows heat generated by the heating component 3-3 into the box body 1, and then the glass instruments on the object placing platform 2 are dried, and the sterilizing lamp 4 performs sterilization and disinfection on the glass instruments, so that the glass instruments are sterilized in the drying process, and unnecessary influences on follow-up tests due to the fact that the glass instruments are not cleaned completely are avoided.
As shown in fig. 3, in one embodiment, the air inlet channels 1-2 and the air outlet channels 1-3 are respectively disposed at the outer side end of the box body 1 in an opposite direction, the inlet ends of the air inlet channels 1-2 and the outlet ends of the air outlet channels 1-3 are respectively covered with a dust-proof filter net, and the germicidal lamp 4 is disposed on the inner wall of the upper end of the box body 1.
The working principle and the beneficial effects of the technical scheme are as follows: the rotating motor 3-1 sucks air flow outside the box body 1 into the box body 1 and guides the air flow into the heating assembly 3-3 through the output end 3-2 to form hot air flow, then the drying operation is carried out on glass instruments in the box body 1, the hot air flow is guided out of the box body 1 through the air outlet channel 1-3 to keep a normal-pressure working environment in the box body 1, and the inlet end of the air channel 1-2 and the outlet end of the air outlet channel 1-3 are respectively covered with a dustproof filter screen to prevent dust outside the box body 1 from entering.
In one embodiment, the storage platform 2 comprises a bottom plate 2-1, the lower end of the bottom plate 2-1 is connected with the inner wall of the bottom end of the box body 1, a plurality of liquid collecting grooves 2-2 are arranged at the upper end of the bottom plate 2-1, a plurality of supporting columns 2-3 are connected to the bottoms of the liquid collecting grooves 2-2, the lower ends of the supporting columns 2-3 are connected with the bottoms of the liquid collecting grooves 2-2, and the upper ends of the supporting columns are obliquely arranged close to the box door 1-1.
The working principle and the beneficial effects of the technical scheme are as follows: inserting the glass instrument on the supporting column 2-3 from the opening of the glass instrument, wherein the supporting column 2-3 is arranged in an inclined mode, so that the inner wall of the glass instrument is always attached to the outer surface of the supporting column 2-3, and residual liquid on the inner wall of the glass instrument is guided to flow into the liquid collecting tank 2-2 through the supporting column 2-3.
As shown in fig. 3, in an embodiment, the box body 1 includes a first casing 1-4 and a second casing 1-5, the platform 2, the drying device 3 and the germicidal lamp 4 are disposed in the first casing 1-4, the box door 1-1 is disposed at an outer side end of the first casing 1-4, the air inlet channel 1-2 and the air outlet channel 1-3 are respectively disposed at the outer side end of the first casing 1-2 in an opposite manner, the second casing 1-5 is sleeved on an outer surface of the first casing 1-4, an opening matching with the box door 1-1 is disposed at the outer side end of the second casing 1-5, an air inlet grid is disposed at a position corresponding to the air inlet channel 1-2 at the outer side end of the second casing 1-5, an air outlet grid is disposed at a position corresponding to the air outlet channel 1-3 at the outer side end of the second casing 1-5, a first heat exchange device 6 is connected between the first shell 1-4 and the second shell 1-5, the control unit 5 is arranged at the outer side end of the second shell 1-5, and the first heat exchange device 6 is electrically connected with the control unit 5.
The beneficial effects of the above technical scheme are: the box body 1 comprises a first shell 1-4 and a second shell 1-5, the second shell 1-5 can be made of heat insulation materials to reduce heat transfer in the first shell 1-4, a first heat exchange device 6 is arranged between the first shell 1-4 and the second shell 1-5 to exchange heat with heat dissipated through the first shell 1-4, and therefore the outer surface of the box body 1 is kept at a low temperature all the time.
As shown in fig. 4, in one embodiment, the first heat exchange device 6 includes a first heat exchange tube 6-1, a second heat exchange tube 6-2 and a third heat exchange tube 6-3, the first heat exchange tube 6-1, the second heat exchange tube 6-2 and the third heat exchange tube 6-3 are all integrally arranged in a C shape and buckled at the outer side end of the first shell 1-4, one end of the first heat exchange tube 6-1 is communicated with a water inlet chamber 6-4, the water inlet chamber 6-4 is arranged at the same side end as the air inlet channel 1-2, the water inlet chamber 6-4 is arranged at the side end of the first shell 1-4 near the bottom end, the other end of the first heat exchange tube 6-1 is bent towards the second heat exchange tube 6-2 to form a first bent portion 6-5 and is communicated with the second heat exchange tube 6-2, the same end of the second heat exchange tube 6-2 as the first bent part 6-5 is provided with a second bent part 6-6 communicated with the third heat exchange tube 6-3, one end of the third heat exchange tube 6-3 is communicated with a water outlet chamber 6-7, the water outlet chamber 6-7 and the air outlet channel 1-3 are arranged at the same side end, the water outlet chamber 6-7 is arranged at the position close to the bottom end of the first shell 1-4 side end, a plurality of heat conducting metal sheets are arranged in the water outlet chamber 6-7 at equal intervals, one end of each heat conducting metal sheet is connected with a refrigerating sheet connected with the outer side end of the water outlet chamber 6-7, a first baffle 6-8 is arranged in the first heat exchange tube 6-1 on the first bent part 6-5, and the first baffle 6-8 extends downwards to the lower end of the second heat exchange tube 6-2, a second baffle 6-9 is arranged in the second heat exchange tube 6-2 on the second bending part 6-6, the second baffle 6-9 extends downwards to the lower end of the third heat exchange tube 6-3, a water return pipe 6-0 with a pump is communicated between the water inlet chamber 6-4 and the water outlet chamber 6-7, and the refrigerating sheet and the water return pipe 6-0 with the pump are electrically connected with the control unit 5.
The working principle and the beneficial effects of the technical scheme are as follows: the water return pipe 6-0 with a pump is used for guiding water in the water inlet chamber 6-4 into the first heat exchange pipe 6-1 in a pressurized manner, the water guided into the first heat exchange pipe 6-1 sequentially passes through the second heat exchange pipe 6-2 and the third heat exchange pipe 6-3 and then is guided into the water outlet chamber 6-7, the water in the water outlet chamber 6-7 is cooled through the refrigerating fins and then returns into the water inlet chamber 6-4 again to achieve circulating water, the first baffle 6-8 and the second baffle 6-9 are arranged to enable the water to fully flow in the second heat exchange pipe 6-2 and the third heat exchange pipe 6-3 to achieve full heat dissipation, the first heat exchange pipe 6-1, the second heat exchange pipe 6-2 and the third heat exchange pipe 6-3 are integrally arranged in a C shape and buckled at the outer side end of the first shell 1-4, and the first heat exchange tube 6-1, the second heat exchange tube 6-2 and the third heat exchange tube 6-3 are arranged at the upper end, the rear end, the left end and the right end of the first shell 1-4 in a covering manner, and a preset distance is reserved among the first heat exchange tube 6-1, the second heat exchange tube 6-2 and the third heat exchange tube to prevent the air inlet grid and the air outlet grid from being covered.
As shown in fig. 5, in an embodiment, the air outlet end of the air outlet channel 1-3 is connected to a second heat exchanger 7, the second heat exchanger 7 includes a heat exchange shell 7-1, the heat exchange shell 7-1 is embedded in the air outlet channel 1-3, a second air inlet 7-2 and a second air outlet 7-3 are respectively disposed at a side end of the heat exchange shell 7-1, the second air inlet 7-2 and the second air outlet 7-3 are disposed at the same side end, the second air inlet 7-2 is connected to the first shell 1-4, the second air outlet 7-3 is connected between the first shell 1-4 and the second shell 1-5 and is disposed near the air outlet grid, an interlayer 7-4 is vertically disposed in the heat exchange shell 7-1, and the bottom end of the interlayer 7-4 is respectively provided with an interlayer water inlet 7-41 and an interlayer water outlet 7-42, the interlayer water inlet 7-41 and the interlayer water outlet 7-42 are both arranged between the first shell 1-4 and the second shell 1-5, the interlayer water inlet 7-41 is connected with a water inlet pipe, the water inlet pipe penetrates through the bottom end of the heat exchange shell 7-1 and is connected into the water inlet chamber 6-4, the interlayer water outlet 7-42 is connected with a water outlet pipe, the water outlet pipe penetrates through the bottom end of the heat exchange shell 7-1 and is connected into the water outlet chamber 6-7, the heat exchange shell 7-1 is internally divided into an inner heat exchange channel 7-5 and an outer heat exchange channel 7-6 through the interlayer 7-4, the inner heat exchange channel 7-5 and the outer heat exchange channel 7-6 are both return channels, the inner heat exchange channel 7-5 and the outer heat exchange channel 7-6 are both connected into the water outlet chamber 6-7 through pipelines, the outer heat exchange channel 7-6 is arranged at the outer end of the inner heat exchange channel 7-5, the inlet end of the inner heat exchange channel 7-5 and the inlet end of the outer heat exchange channel 7-6 are respectively connected with the second air inlet 7-2, the outlet end of the inner heat exchange channel 7-5 and the outlet end of the outer heat exchange channel 7-6 are respectively connected with the second air outlet 7-3, the inlet end of the inner heat exchange channel 7-5 is connected with an air inlet device 8, and the air inlet device 8 is electrically connected with the control unit 5.
The working principle and the beneficial effects of the technical scheme are as follows: part of water in the water inlet chamber 6-4 is guided into the interlayer 7-4 from the water inlet pipe and flows back into the water outlet chamber 6-7 through the water outlet pipe, the water in the interlayer 7-4 exchanges heat with hot gas guided into the inner heat exchange channel 7-5 and the outer heat exchange channel 7-6 through the second air inlet 7-2, so that the hot gas is cooled to normal temperature and is discharged out of the air outlet grid through the second air outlet 7-3, and condensed water stored at the bottom end of the heat exchange shell 7-1 returns into the water outlet chamber 6-7 through a pipeline after heat exchange.
As shown in fig. 6, in an embodiment, the air inlet device 8 includes a ring body 8-1, the ring body 8-1 is connected to the inlet end of the inner heat exchange channel 7-5, the outer ring end of the ring body 8-1 is inscribed on the inner wall of the inner heat exchange channel 7-5, one end of the ring body 8-1 is provided with a slot 8-2, the slot 8-2 is arranged away from the inlet end of the inner heat exchange channel 7-5, the end of the ring body 8-1 close to the slot 8-2 is hinged with a baffle 8-3, the baffle 8-3 covers the inner ring opening of the ring body 8-1 and partially covers the slot opening 8-2, the hinged end of the ring body 8-1 is connected with a return coil spring, the end of the slot 8-2 close to the inner ring end of the ring body 8-1 is provided with a, the trigger part 8-5 is connected in the cavity 8-4, the trigger part 8-5 comprises two limit plates 8-51, the two limit plates 8-51 are arranged, the two limit plates 8-51 are vertically arranged in the cavity 8-4, the inner wall of the cavity 8-4 is close to the inner ring end of the ring body 8-1, the connecting part 8-52 is clamped between the two limit plates 8-51, a guide groove 8-53 is formed in each limit plate 8-51, a rotating shaft 8-54 matched with the guide groove 8-53 for use is arranged on each connecting part 8-52, the rotating shaft 8-54 is connected in each guide groove 8-53, each guide groove 8-53 comprises a starting point 8-531 and an end point 8-532, the vertical distance between the starting point 8-531 and the inner wall of the open groove 8-2 is greater than the vertical distance between the end point 8-532 and the inner wall of the The vertical distance of the walls, the gradual incremental transition between said starting point 8-531 and said end point 8-532 through a smooth line, one end part of the connecting piece 8-52 is connected with a telescopic motor 8-55, the telescopic motor 8-55 is connected with the inner wall of the cavity 8-4 close to the inner ring end of the ring body 8-1, the output end of the telescopic motor 8-55 is connected with the connecting piece 8-52, and the output end of the telescopic motor 8-55 is arranged in the same line with the starting point 8-531, the other end of the connecting piece 8-52 is connected with a top rod 8-56, the top rod 8-56 is arranged to be gradually tilted from the end close to the connecting piece 8-52 to the end far away from the connecting piece 8-52, and the telescopic motor 8-55 is electrically connected with the control unit 5.
The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 8, under the action of the hinged end return coil spring, the blocking sheet 8-3 is in an initial state of an opening device, at this time, the telescopic motor 8-55 works and drives the output end connected to the telescopic motor to move along the connecting piece 8-52 from the starting point 8-531 to the end point 8-532 along the guide groove 8-53, the ejector rod 8-56 moves obliquely upwards in the cavity 8-4 to the open groove 8-2 as shown in fig. 7, and supports the blocking sheet 8-3 to cover the open groove 8-2, the blocking sheet 8-3 rotates with the hinged end as the center and covers the inner ring opening of the ring body 8-1, at this time, the hot air in the first shell 1-4 can only flow through the outer heat exchange channel 7-6, when the air flow velocity around the glass instrument is accelerated by increasing the rotation of the rotating fan blade 3-2, therefore, when the drying speed is accelerated, in order to prevent positive pressure from occurring in the first shell 1-4, a work stopping instruction is sent to the telescopic motors 8-55 through the control unit 5, the telescopic motors 8-55 stop working and retract, the connecting pieces 8-52 move to the starting points 8-531 from the end points 8-532 along the guide grooves 8-53, the ejector rods 8-56 retract into the cavities 8-4, the blocking pieces 8-3 are reopened under the action of the reset coil springs, and part of hot air flows through the inner heat exchange channels 7-5, so that the hot air condensation efficiency is accelerated.
As shown in fig. 9, in one embodiment, a pressure detecting switch 9 is connected to the first housing 1-4, the pressure detecting switch 9 includes a gas pipe connector 9-1, a fixing member 9-2 and a sensor 9-3, the sensor 9-3 is connected to the gas pipe connector 9-1 through the fixing member 9-2, a gas passage 9-4 is provided at the other end of the gas pipe connector 9-1, the gas passage 9-4 is connected to the first housing 1-4 in a penetrating manner, the sensor 9-3 is used for detecting the pressure in the first housing 1-4 and outputting a pressure signal, the sensor 9-3 includes a sensor diaphragm 9-31 and a converting circuit board 9-32, one side of the sensor diaphragm 9-31 is communicated with the gas passage 9-4, the other side of the sensor diaphragm 9-31 is printed with a sensor circuit 9-33 connected with the conversion circuit board 9-32, the conversion circuit board 9-32 is provided with a signal output line 9-34, the longitudinal section of the sensor diaphragm 9-31 is designed to be H-shaped, the sensor circuit 9-33 is printed on the inner side of the flange of the sensor diaphragm 9-31, the air pipe joint 9-1 is provided with a containing groove 9-7 for installing the sensor 9-3 and an air inlet channel 9-5 for communicating the containing groove 9-7 with the air channel 9-4, the sensor diaphragm 9-31 is arranged in the containing groove 9-7, the outer edge of the sensor diaphragm is in sealing contact with the inner wall of the containing groove 9-7, and the sensor diaphragm 9-31 is provided with a diaphragm groove 9-35 which forms a cavity together with the containing groove 9-7, a sealing gasket 9-6 is arranged between the sensor diaphragm 9-31 and the bottom surface of the accommodating groove 9-7, a sealing gasket channel 9-60 for communicating the diaphragm groove 9-35 with the air inlet channel 9-5 is arranged on the sealing gasket 9-6, the fixing piece 9-2 is arranged at the top end of the accommodating groove 9-7 and is used for enabling the sensor diaphragm 9-31 to be tightly pressed against the sealing gasket 9-6, and the control unit 5 is used for processing a pressure signal detected by the pressure detection switch 9 and controlling the air inlet device 8 according to a processing result.
The working principle and the beneficial effects of the technical scheme are as follows: when a positive pressure environment occurs in the first shell 1-4, part of hot air enters a cavity formed by the air inlet channel 9-5, the sealing gasket channel 9-60 and the membrane groove 9-35 and the accommodating groove 9-7 together, meanwhile, hot air pressure in the air channel 9-4 is also transmitted into the cavity, the front surface of the sensor membrane 9-31 generates tiny deformation under the action of hot air pressure, the rear surface of the sensor membrane 9-31 is printed with the sensor circuit 9-33, therefore, the resistance value of the sensor circuit 9-33 at the back of the sensor is changed due to the piezoresistive effect of the piezoresistor, the sensor circuit 9-33 generates a highly linear voltage signal which is in direct proportion to the pressure, the voltage signal is converted into the hot air pressure signal through the converting circuit board 9-32, and finally, the simulated hot air pressure is output through the signal output line 9-34 on the converting circuit board 9-32 The signal to can real-time detection the arbitrary pressure value of hot gas in the pressure range first casing 1-4, when the pressure value surpassed the threshold value, send work instruction to air inlet unit 8 through control unit 5, and then make interior heat transfer passageway 7-5 work, in order to accelerate hot gas condensation efficiency.
As shown in fig. 10 to 11, in one embodiment, the method further includes:
the first electronic switch 10-1 is connected with the telescopic motor 8-55 and used for controlling the telescopic motor 8-55 to be started or closed;
the second electronic switch 10-2 is connected with the drying device 3 and is used for controlling the drying device 3 to be started or closed;
the first electronic switch 10-1 includes:
a first power triode 10-11 and a first current limiting resistor 10-12;
the positive electrode of the power supply of the telescopic motor 8-55 is connected with the collector electrode of the first power triode 10-11 through the telescopic motor 8-55, and the negative electrode of the power supply of the telescopic motor 8-55 is connected with the emitter electrode of the first power triode 10-11; the emitting electrode of the first power triode 10-11 is grounded;
the control unit 5 is connected with the base electrode of the first power triode 10-11 through the first current limiting resistor 10-12;
the second electronic switch 10-2 includes:
a second power triode 10-21 and a second current limiting resistor 10-22;
the positive electrode of the power supply of the drying device 3 is connected with the collector electrode of the second power triode 10-21 through the drying device 3, and the negative electrode of the power supply of the drying device 3 is connected with the emitter electrode of the second power triode 10-21; the emitter of the second power transistor 10-21 is grounded;
the control unit 5 is connected with the base electrodes of the second power triodes 10 to 21 through the second current-limiting resistors 10 to 22;
the working steps of the control unit 5 are as follows:
acquiring a pressure signal acquired by the sensor 9-3; when the pressure signal collected by the sensor 9-3 exceeds a set first threshold value;
sending an opening signal to the first electronic switch 10-1, wherein the first electronic switch 10-1 controls the telescopic motor 8-55 to be started, and the air inlet device is opened;
when the pressure signal collected by the sensor 9-3 exceeds a set second threshold value, the control unit 5 controls the drying device 3 to be closed through a second electronic switch 10-2.
The working principle and the beneficial effects of the technical scheme are as follows: a first threshold value and a second threshold value are arranged in the control unit 5, the first threshold value is smaller than the second threshold value, when the sensor 9-3 detects that the pressure in the first shell 1 is between the first threshold value and the second threshold value, the sensor sends a pressure signal to the control unit 5, the control unit 5 sends a working instruction to the first electronic switch 10-1, the first electronic switch 10-1 controls the telescopic motor 8-55 to be started, so that the inner heat exchange channel 7-5 works to accelerate the condensation efficiency of the hot gas in the first shell 1-4, when the sensor 9-3 detects that the pressure in the first shell 1 is larger than the second threshold value, the sensor sends a pressure signal to the control unit 5, the control unit 5 sends a working instruction to the second electronic switch 10-2, and the second electronic switch 10-2 controls the drying device 3 to be closed, to prevent an increase in pressure in the first housing 1-4.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a laboratory is with drying device that disinfects which characterized in that includes:
the box body (1), the box body (1) comprises a box door (1-1), the box door (1-1) is arranged at the outer side end of the box body (1), and an air inlet channel (1-2) and an air outlet channel (1-3) are respectively arranged on the outer surface of the box body (1);
the storage platform (2) is arranged in the box body (1);
the drying device (3) is arranged on the inner wall of the box body (1) and is arranged close to the air inlet channel (1-2), the drying device (3) comprises a rotating motor (3-1), the rotating motor (3-1) is connected to the inner wall of the box body (1) and is arranged close to the air inlet channel (1-2), the output end of the rotating motor (3-1) is far away from the inner wall of the box body (1), the output end of the rotating motor (3-1) is connected with a rotating fan blade (3-2), a heating component (3-3) is arranged at the end, far away from the rotating motor (3-1), of the rotating fan blade (3-2), and the heating component (3-3) is connected to the inner wall of the box body (1) through a support;
the sterilizing lamp (4), the said sterilizing lamp (4) locates on the inboard wall of the said container body (1);
the control unit (5) is arranged at the outer side end of the box body (1), and the rotating motor (3-1), the sterilizing lamp (4) and the heating assembly (3-3) are electrically connected with the control unit (5);
the box body (1) comprises a first shell (1-4) and a second shell (1-5), the object placing platform (2), the drying device (3) and the bactericidal lamp (4) are arranged in the first shell (1-4), the box door (1-1) is arranged at the outer side end of the first shell (1-4), the air inlet channel (1-2) and the air outlet channel (1-3) are respectively oppositely arranged at the outer side end of the first shell (1-2), the second shell (1-5) is sleeved on the outer surface of the first shell (1-4), the outer side end of the second shell (1-5) is provided with an opening matched with the box door (1-1) to open, the outer side end of the second shell (1-5) is provided with an air inlet grid corresponding to the position of the air inlet channel (1-2), an air outlet grid is arranged at the position, corresponding to the air outlet channel (1-3), of the outer side end of the second shell (1-5), a first heat exchange device (6) is connected between the first shell (1-4) and the second shell (1-5), the control unit (5) is arranged at the outer side end of the second shell (1-5), and the first heat exchange device (6) is electrically connected with the control unit (5);
the first heat exchange device (6) comprises a first heat exchange tube (6-1), a second heat exchange tube (6-2) and a third heat exchange tube (6-3), the first heat exchange tube (6-1), the second heat exchange tube (6-2) and the third heat exchange tube (6-3) are integrally arranged in a C shape and buckled at the outer side end of the first shell (1-4), one end of the first heat exchange tube (6-1) is communicated with a water inlet chamber (6-4), the water inlet chamber (6-4) and the air inlet channel (1-2) are arranged at the same side end, the water inlet chamber (6-4) is arranged at the side end of the first shell (1-4) and is close to the bottom end, the other end of the first heat exchange tube (6-1) is bent towards the second heat exchange tube (6-2) to form a first bent part (6-5) communicated with the second heat exchange tube (6-2), a second bent part (6-6) communicated with the third heat exchange tube (6-3) is arranged at the same end of the second heat exchange tube (6-2) as the first bent part (6-5), one end of the third heat exchange tube (6-3) is communicated with a water outlet chamber (6-7), the water outlet chamber (6-7) and the air outlet channel (1-3) are arranged at the same side end, the water outlet chamber (6-7) is arranged at the position close to the bottom end of the first shell (1-4), a plurality of heat conduction metal sheets are arranged in the water outlet chamber (6-7) at equal intervals, one end of each heat conduction metal sheet is connected with a refrigeration sheet connected to the outer side end of the water outlet chamber (6-7), a first baffle sheet (6-8) is arranged in the first heat exchange tube (6-1) on the first bent part (6-5), the first baffle plate (6-8) extends downwards to the lower end of the second heat exchange tube (6-2), a second baffle plate (6-9) is arranged in the second heat exchange tube (6-2) on the second bending part (6-6), the second baffle plate (6-9) extends downwards to the lower end of the third heat exchange tube (6-3), a water return pipe (6-0) with a pump is communicated between the water inlet chamber (6-4) and the water outlet chamber (6-7), and the refrigerating plate and the water return pipe (6-0) with the pump are both electrically connected with the control unit (5);
the air outlet end of the air outlet channel (1-3) is connected with a second heat exchange device (7), the second heat exchange device (7) comprises a heat exchange shell (7-1), the heat exchange shell (7-1) is embedded in the air outlet channel (1-3), the side end of the heat exchange shell (7-1) is respectively provided with a second air inlet (7-2) and a second air outlet (7-3), the second air inlet (7-2) and the second air outlet (7-3) are arranged at the same side end, the second air inlet (7-2) is connected in the first shell (1-4), the second air outlet (7-3) is connected between the first shell (1-4) and the second shell (1-5) and is arranged close to the air outlet grid, an interlayer (7-4) is vertically arranged in the heat exchange shell (7-1), the bottom end of the interlayer (7-4) is respectively provided with an interlayer water inlet (7-41) and an interlayer water outlet (7-42), the interlayer water inlet (7-41) and the interlayer water outlet (7-42) are arranged between the first shell (1-4) and the second shell (1-5), the interlayer water inlet (7-41) is connected with a water inlet pipe, the water inlet pipe penetrates through the bottom end of the heat exchange shell (7-1) and is connected into the water inlet chamber (6-4), the interlayer water outlet (7-42) is connected with a water outlet pipe, the water outlet pipe penetrates through the bottom end of the heat exchange shell (7-1) and is connected into the water outlet chamber (6-7), the interior of the heat exchange shell (7-1) is divided into an inner heat exchange channel (7-5) and an outer heat exchange channel (7-6) through the interlayer (7-4), the inner heat exchange channel (7-5) and the outer heat exchange channel (7-6) are return channels, the inner heat exchange channel (7-5) and the outer heat exchange channel (7-6) are connected in the water outlet chamber (6-7) through pipelines, the outer heat exchange channel (7-6) is arranged at the outer end of the inner heat exchange channel (7-5), the inlet end of the inner heat exchange channel (7-5) and the inlet end of the outer heat exchange channel (7-6) are respectively connected with the second air inlet (7-2), the outlet end of the inner heat exchange channel (7-5) and the outlet end of the outer heat exchange channel (7-6) are respectively connected with the second exhaust port (7-3), the inlet end of the inner heat exchange channel (7-5) is connected with an air inlet device (8), and the air inlet device (8) is electrically connected with the control unit (5);
the air inlet device (8) comprises a ring body (8-1), the ring body (8-1) is connected with the inlet end of the inner heat exchange channel (7-5), the outer ring end of the ring body (8-1) is internally tangent to the inner wall of the inner heat exchange channel (7-5), one port of the ring body (8-1) is provided with a slot (8-2), the slot (8-2) is far away from the inlet end of the inner heat exchange channel (7-5), the end, close to the slot (8-2), of the ring body (8-1) is hinged with a baffle (8-3), the baffle (8-3) covers the inner ring opening of the ring body (8-1) and partially covers the slot opening of the slot (8-2), the hinged end of the ring body (8-1) is connected with a return spring, and the end, close to the inner ring end of the ring body (8-1), of the slot (8-2) is provided with a cavity 4) The trigger piece (8-5) is connected in the cavity (8-4), the trigger piece (8-5) comprises two limit plates (8-51), the two limit plates (8-51) are arranged, the two limit plates (8-51) are vertically arranged on the inner wall of the cavity (8-4) and close to the inner ring end of the ring body (8-1), a connecting piece (8-52) is clamped between the two limit plates (8-51), guide grooves (8-53) are formed in the limit plates (8-51), rotating shafts (8-54) matched with the guide grooves (8-53) are arranged on the connecting piece (8-52), the rotating shafts (8-54) are connected in the guide grooves (8-53), and the guide grooves (8-53) comprise starting points (8-531) and end points (8-532), the vertical distance between the starting point (8-531) and the inner wall of the slot (8-2) is greater than the vertical distance between the end point (8-532) and the inner wall of the slot (8-2), the starting point (8-531) and the end point (8-532) are gradually transited in an incremental mode through a smooth line, one end part of the connecting piece (8-52) is connected with a telescopic motor (8-55), the telescopic motor (8-55) is connected to the inner wall of the cavity (8-4) and close to the inner ring end of the ring body (8-1), the output end of the telescopic motor (8-55) is connected with the connecting piece (8-52), the output end of the telescopic motor (8-55) and the starting point (8-531) are arranged in a collinear mode, and the other end part of the connecting piece (8-52) is connected with a top rod (8-56), the ejector rod (8-56) is arranged to be gradually tilted from the end close to the connecting piece (8-52) to the end far away from the connecting piece (8-52), and the telescopic motor (8-55) is electrically connected with the control unit (5).
2. The laboratory sterilizing and drying device according to claim 1, wherein the air inlet channel (1-2) and the air outlet channel (1-3) are respectively arranged at the outer side end of the box body (1) in an opposite manner, the inlet end of the air inlet channel (1-2) and the outlet end of the air outlet channel (1-3) are respectively covered with a dustproof filter screen, and the germicidal lamp (4) is arranged on the inner wall of the upper end of the box body (1).
3. The laboratory sterilizing and drying device according to claim 1, wherein the storage platform (2) comprises a bottom plate (2-1), the lower end of the bottom plate (2-1) is connected with the inner wall of the bottom end of the box body (1), a plurality of liquid collecting grooves (2-2) are formed in the upper end of the bottom plate (2-1), a plurality of supporting columns (2-3) are connected to the bottoms of the liquid collecting grooves (2-2), the lower ends of the supporting columns (2-3) are connected with the bottoms of the liquid collecting grooves (2-2), and the upper ends of the supporting columns are obliquely arranged close to the box door (1-1).
4. The laboratory sterilizing and drying device according to claim 1, wherein a pressure detection switch (9) is connected to the first housing (1-4), the pressure detection switch (9) comprises a gas pipe joint (9-1), a fixing member (9-2) and a sensor (9-3), the sensor (9-3) is connected to the inside of the gas pipe joint (9-1) through the fixing member (9-2), a gas passage (9-4) is arranged at the other end of the gas pipe joint (9-1), the gas passage (9-4) is connected to the inside of the first housing (1-4) in a penetrating manner, the sensor (9-3) is used for detecting the pressure in the first housing (1-4) and outputting a pressure signal, and the sensor (9-3) comprises a sensor diaphragm (9-31) and a conversion circuit board (9-32) One side of the sensor diaphragm (9-31) is communicated with the gas channel (9-4), the other side of the sensor diaphragm (9-31) is printed with a sensor circuit (9-33) connected with the conversion circuit board (9-32), the conversion circuit board (9-32) is provided with a signal output line (9-34), the signal output line (9-34) is connected with the control unit (5), the longitudinal section of the sensor diaphragm (9-31) is set to be H-shaped, the sensor circuit (9-33) is printed on the inner side of the flange of the sensor diaphragm (9-31), the air pipe joint (9-1) is provided with a containing groove (9-7) for installing the sensor (9-3) and an air inlet channel (9-5) for communicating the containing groove (9-7) with the gas channel (9-4), the sensor diaphragm (9-31) is arranged in the accommodating groove (9-7), the outer edge of the sensor diaphragm is in sealing contact with the inner wall of the accommodating groove (9-7), a diaphragm groove (9-35) which forms a cavity together with the accommodating groove (9-7) is arranged on the sensor diaphragm (9-31), a sealing gasket (9-6) is arranged between the sensor diaphragm (9-31) and the bottom surface of the accommodating groove (9-7), a sealing gasket channel (9-60) for communicating the diaphragm groove (9-35) with the air inlet channel (9-5) is arranged on the sealing gasket (9-6), the fixing piece (9-2) is arranged at the top end of the accommodating groove (9-7) and is used for enabling the sensor diaphragm (9-31) to compress the sealing gasket (9-6), and the control unit (5) is used for processing a pressure signal detected by the pressure detection switch (9) and processing the pressure signal according to a -controlling the air intake means (8).
5. The laboratory sterilizing and drying device according to claim 4, further comprising:
the first electronic switch (10-1) is connected with the telescopic motor (8-55) and is used for controlling the telescopic motor (8-55) to be started or closed;
the second electronic switch (10-2) is connected with the drying device (3) and is used for controlling the drying device (3) to be started or closed;
the first electronic switch (10-1) comprises:
the power amplifier comprises a first power triode (10-11) and a first current limiting resistor (10-12);
the positive electrode of a power supply of the telescopic motor (8-55) is connected with the collector electrode of the first power triode (10-11) through the telescopic motor (8-55), and the negative electrode of the power supply of the telescopic motor (8-55) is connected with the emitter electrode of the first power triode (10-11); the emitter of the first power triode (10-11) is grounded;
the control unit (5) is connected with the base electrode of the first power triode (10-11) through the first current limiting resistor (10-12);
the second electronic switch (10-2) comprises:
a second power triode (10-21) and a second current limiting resistor (10-22);
the positive electrode of a power supply of the drying device (3) is connected with the collector electrode of the second power triode (10-21) through the drying device (3), and the negative electrode of the power supply of the drying device (3) is connected with the emitter electrode of the second power triode (10-21); the emitter of the second power triode (10-21) is grounded;
the control unit (5) is connected with the base electrode of the second power triode (10-21) through the second current limiting resistor (10-22);
the control unit (5) comprises the following working steps:
acquiring a pressure signal acquired by the sensor (9-3); when the pressure signal collected by the sensor (9-3) exceeds a set first threshold value;
sending an opening signal to the first electronic switch (10-1), wherein the first electronic switch (10-1) controls the telescopic motor (8-55) to start, and the air inlet device is opened;
when the pressure signal collected by the sensor (9-3) exceeds a set second threshold value, the control unit (5) controls the drying device (3) to be closed through a second electronic switch (10-2).
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