CN113786867B

CN113786867B - High-grade biological safety laboratory is with pass-through box

Info

Publication number: CN113786867B
Application number: CN202111202058.0A
Authority: CN
Inventors: 王振; 汤华山; 邹靖; 金凤银
Original assignee: Wuhan Institute of Virology of CAS
Current assignee: Wuhan Institute of Virology of CAS
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-27
Anticipated expiration: 2041-10-15
Also published as: CN113786867A

Abstract

The invention provides a high-grade biological safety transfer window for a laboratory, and belongs to the technical field of transfer windows for biological laboratories. The invention comprises a bracket, pedals are rotatably connected to the bottom side in the bracket, the pedals are provided with two parts, the two pedals are respectively and rotatably connected to the front side and the rear side of the inside of the bracket, the bottom ends in the two parts of the bracket are also fixedly connected with PLC controllers, the two PLC controllers are respectively positioned below the two pedals, and the top ends of the two PLC controllers are respectively provided with a button which is a single-time touch switch and a single-time touch switch.

Description

High-grade biological safety laboratory is with pass-through box

Technical Field

The invention belongs to the technical field of transfer windows for biological laboratories, and particularly relates to a transfer window for a high-grade biological safety laboratory.

Background

The biological safety laboratory is divided into a first-Level (BSL-1), a second-Level (BSL-2), a third-Level (BSL-3) and a fourth-Level (BSL-4) according to the biological safety protection Level of the laboratory; ABSL-1, ABSL-2, ABSL-3 and ABSL-4 respectively represent the biosafety level of laboratories engaged in live animal operations. The high-grade Biosafety laboratory refers to a laboratory with three-grade and four-grade Biosafety protection grades, and is used for developing scientific research on high-pathogenic microorganisms with 3-grade and 4-grade risks (recognized as first-class and second-class pathogenic microorganisms domestically) internationally [ World Health organization.laboratory Biosafety Manual [ M ]3rd edition. geneva,2004 ]. The high-grade biosafety laboratory is required to meet GB19489-2008 laboratory biosafety general requirements and GB50346-2011 biosafety laboratory building technical specifications in terms of hardware construction, physical protection facilities and equipment are used for strictly controlling the possibility that high-risk pathogens are diffused to the external environment along with human flow, logistics, water flow and air flow, and the personnel infection incidence rate and the environmental pollution incidence rate are reduced to zero.

The transfer window is an auxiliary device of a high-grade biological safety laboratory, is mainly used for transferring small articles between a clean area and a non-clean area, adopts an interlocking device for double doors, avoids direct communication between the clean area and the non-clean area, can effectively reduce the number of times of passing in and out of experimenters and reduce the possibility of pollution in the transfer process. However, in most of the conventional transfer windows, an object is directly placed inside the transfer window and then taken out from the other side by another person when the object is transferred, and a sterilization dead space exists when the object is irradiated or air-showered for sterilization inside the transfer window. In addition, the opening mode of the transfer window is that the articles are taken and placed after the door lock is manually opened, the contact articles of hands of experimenters are more, the cleanliness of the interior of a laboratory is difficult to ensure, and then potential pollution risks can be caused.

Disclosure of Invention

In view of the above, the present invention provides a high-grade bio-safety laboratory transfer window, which has a base, a pedal installed inside the base, two pedals oppositely and rotatably connected to the inside of the base, and a PLC controller installed inside the base, wherein when the pedal touches a button installed on the upper side of the PLC controller once, the baffle can be opened, thereby avoiding the occurrence of cross contamination due to the opening and closing of experimenters by hands.

The invention provides a high-grade biological safety laboratory transfer window, which specifically comprises a base;

the inside bottom side of base rotates and is connected with the footboard, and the footboard is equipped with two altogether, and two footboards rotate respectively and connect both sides position around the base is inside, and fixedly connected with PLC controller is still gone back to the inside bottom of two bases, and two PLC controllers are located the below of two footboards respectively to the button is all installed on the top of two PLC controllers, and the button is single touch-switch, single touch-switch.

Optionally, a support B is installed on one side of the transfer box, a motor C is further installed on one side of the support B, a transmission shaft is arranged on the left side of the motor C, the transmission shaft penetrates through the transfer box to be connected with the fan, and an air duct for air outlet is formed in the top end of the fan.

Optionally, the fan is located at the upper side of the cavity in the transfer box and located right below the power supply block, the motor C is used for adjusting rotation of the fan, and when the fan is in an inclined state, the fan is matched with the cavity in the transfer box.

Optionally, the inside fixedly connected with transmission case of support is equipped with the cavity in the inside bottom of transmission case, and it has the door to articulate at the front end of cavity, still fixedly connected with power supply piece on the inside top of transmission case, still is provided with the ultraviolet lamp at the bottom of power supply piece in linear array.

Optionally, one side of the baffle is fixedly connected with a rack, a motor a is further installed on the front side of the transfer box, a transmission shaft is installed on the rear side of the motor a, the transmission shaft penetrates through the transfer box and is located inside the transfer box, a gear is further installed on the rear side of the transmission shaft, and the gear is meshed with the rack.

Optionally, electromagnetic hydraulic cylinders are further oppositely mounted on the upper and lower sides of the inside of the guide groove formed in the transmission box, a hydraulic rod in each electromagnetic hydraulic cylinder is of an electromagnetic structure, an electromagnetic clamping block is mounted on the lower side of the electromagnetic hydraulic cylinder located on the upper side, magnetic blocks are fixedly connected to the bottom sides of the two longitudinal members in each electromagnetic clamping block, a metal clamping block is mounted on the upper side of the electromagnetic hydraulic cylinder located on the lower side, slots are further formed in the top ends of the two longitudinal members in each metal clamping block, and trays are fixedly connected to the inner sides of the metal clamping blocks and the inner sides of the electromagnetic clamping blocks.

Optionally, both sides are all fixedly connected with curb plate around the transfer box, and the curb plate is inside hollow structure, and the inside of transfer box has still pegged graft the baffle, has the observation window in the inside embedding of baffle.

Optionally, one side fixedly connected with support A of transmission case, motor B is installed to one side of support A, and the transmission shaft is installed to one side of motor B, and the transmission shaft passes the transmission case to be located the transmission case, all seted up fore-and-aft guide way in the inside left and right sides of transmission case, still rotate in the inside of guide way and be connected with two connecting blocks, one of them connecting block is connected with the transmission shaft of motor B one side.

Compared with the existing transfer window, the transfer window for the high-grade biological safety laboratory provided by the invention has the following advantages and remarkable progress:

(1) the tray is installed through electromagnetic hydraulic cylinder in the inside of transmission case to after the inside of tray is placed to the article, can make it carry out pivoted design in the inside of transmission case through motor B's start-up drive, avoided because of disinfection and sterilization thoroughly and cause the problem that has the potential safety hazard.

(2) The cavity has been seted up to inside bottom at the transmission case, and the door is still installed to the front end of cavity, and then can make the fan take place the slope through motor C's drive when having the dust on the fan to the dust on with the fan through the slope of fan shakes off the inside position of transmission case and deposits, and then reaches more practical purpose.

(3) The baffle is arranged inside the side plate, the rack is arranged on one side of the baffle, when the motor A drives the gear, the baffle can be opened and closed inside the side plate through the meshing transmission of the gear and the rack, and further the purpose of being more practical is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below. The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention. In the drawings:

FIG. 1 is a schematic diagram showing a front side view of a transfer window in a partially sectioned and disassembled state, according to an embodiment of the present invention;

FIG. 2 is a schematic view of a top side view of a transfer window in a partially sectioned and disassembled state, according to an embodiment of the present invention;

FIG. 3 illustrates a schematic view of a bracket-to-step display structure of a delivery window according to an embodiment of the present invention;

FIG. 4 illustrates a schematic view of a side panel-to-gear display structure of a transfer window according to an embodiment of the present invention, wherein the side panel is in a half-section;

FIG. 5 shows a schematic view of a transfer box to fan display structure of a transfer window according to an embodiment of the invention, wherein the transfer box is in a half-section state;

FIG. 6 illustrates a schematic view of a bracket B of a delivery window to a fan display structure according to an embodiment of the invention;

FIG. 7 shows a schematic view of an enlarged structure at A in FIG. 2 of a transmission window according to an embodiment of the invention;

FIG. 8 shows a schematic diagram of an enlarged structure at B in FIG. 2 of a transfer window according to an embodiment of the invention;

wherein: 1. a base; 2. a PLC controller; 3. a button; 4. a pedal; 5. a transfer box; 6. a bin gate; 7. a power supply block; 8. an ultraviolet lamp; 9. a side plate; 10. a baffle plate; 11. an observation window; 12. a rack; 13. a motor A; 14. a gear; 15. a bracket A; 16. a motor B; 17. connecting blocks; 18. an electromagnetic clamp block; 19. an electromagnetic hydraulic cylinder; 20. a magnetic block; 21. a metal clamping block; 22. inserting slots; 23. a tray; 24. a bracket B; 25. a motor C; 26. a fan.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

The embodiment is as follows: please refer to fig. 1 to 8:

the invention provides a high-grade biological safety laboratory transfer window, which comprises: the base 1, the bottom side of the inside of the base 1 is rotatably connected with a pedal 4, the pedal 4 is provided with two positions, the two pedals 4 are respectively rotatably connected with the front side and the rear side of the inside of the base 1, the bottom ends of the inside of the two bases 1 are also fixedly connected with a PLC (programmable logic controller) 2, the two PLC controllers 2 are respectively positioned below the two pedals 4, the top ends of the two PLC controllers 2 are respectively provided with a button 3, the button 3 is a single-touch switch and a single-touch switch, electromagnetic hydraulic cylinders 19 are respectively and oppositely arranged on the upper side and the lower side of the inside of a guide groove arranged in the transmission box 5, a hydraulic rod in the electromagnetic hydraulic cylinder 19 is of an electromagnetic structure, an electromagnetic clamping block 18 is arranged on the lower side of the electromagnetic hydraulic cylinder 19 positioned on the upper side, magnetic blocks 20 are fixedly connected on the bottom sides of two longitudinal members in the electromagnetic clamping block 18, and a metal clamping block 21 is arranged on the upper side of the electromagnetic hydraulic cylinder 19 positioned on the lower side, slots 22 are further formed in the top ends of the two longitudinal members in the metal clamping block 21, and trays 23 are fixedly connected to the inner sides of the metal clamping block 21 and the inner side of the electromagnetic clamping block 18.

In addition, according to the embodiment of the present invention, as shown in fig. 1 to 3, a transmission box 5 is fixedly connected inside the base 1, a cavity is arranged at the bottom end inside the transmission box 5, a bin door 6 is hinged at the front end of the cavity, a power supply block 7 is also fixedly connected at the top end inside the transmission box 5, ultraviolet lamps 8 are further arranged at the bottom end of the power supply block 7 in a linear array, side plates 9 are fixedly connected to the front side and the rear side of the transmission box 5, the side plates 9 are of an internal hollow structure, a baffle plate 10 is further inserted into the transmission box 5, and an observation window 11 is embedded into the baffle plate 10.

In addition, according to the embodiment of the present invention, as shown in fig. 1 to 5, a rack 12 is fixedly connected to one side of the baffle 10, a motor a13 is further installed at the front side of the transfer box 5, a transmission shaft is installed at the rear side of the motor a13, the transmission shaft penetrates through the transfer box 5 and is located inside the transfer box 5, a gear 14 is further installed at the rear side of the transmission shaft, the gear 14 is engaged with the rack 12, a bracket B24 is installed at one side of the transfer box 5, a motor C25 is further installed at one side of the bracket B24, a transmission shaft is arranged at the left side of the motor C25, the transmission shaft penetrates through the transfer box 5 and is connected to the fan 26, and an air duct for blowing air is opened at the top end of the fan 26.

In addition, according to the embodiment of the present invention, as shown in fig. 1 to 8, the fan 26 is located at an upper side position of the cavity in the transfer box 5 and located at a position right below the power supply block 7, the motor C25 is used for adjusting rotation of the fan 26, when the fan 26 is in an inclined state, the fan 26 is matched with the cavity in the transfer box 5, one side of the transfer box 5 is fixedly connected with the bracket a15, one side of the bracket a15 is provided with the motor B16, one side of the motor B16 is provided with the transmission shaft, the transmission shaft penetrates through the transfer box 5 and is located in the transfer box 5, longitudinal guide grooves are formed in both left and right sides of the interior of the transfer box 5, two connection blocks 17 are further rotatably connected in the interior of the guide grooves, and one connection block 17 is connected with the transmission shaft on one side of the motor B16.

The specific use mode and function of the embodiment are as follows: in the invention, when articles need to be placed in the transfer box 5, firstly, the pedal 4 arranged on the inner side of the base 1 needs to be stepped to rotate towards the rear side, when the pedal 4 is touched with the button 3 in the PLC 2 arranged on the upper side of the base 1, the PLC 2 starts the motor A13 arranged on the front side of the side plate 9 to drive the gear 14, and the gear 14 is meshed with the rack 12 arranged on one side of the baffle plate 10, so that the baffle plate 10 moves upwards along the square groove formed in the side plate 9 to be unfolded, and at the moment, the articles can be placed in the tray 23 on the lower side;

after the article is positioned in the tray 23, the two trays 23 are moved close to each other by starting the electromagnetic hydraulic cylinders 19 arranged in the two guide grooves in the transfer box 5 until the electromagnetic clamping blocks 18 arranged on the outer sides of the two trays 23 are inserted into the slots 22 in the metal clamping blocks 21 through the magnetic blocks 20, at the moment, the electromagnetic hydraulic rods in the electromagnetic hydraulic cylinders 19 are powered off, and the electromagnetic clamping blocks 18 are powered on, so that the electromagnetic clamping blocks 18 and the metal clamping blocks 21 are adsorbed and sleeved at the outer side positions of the connecting blocks 17;

at the moment, the motor B16 arranged on one side of the bracket A15 is started to rotate the two trays 23 tightly attached together in the interior of the transfer box 5, the ultraviolet lamp 8 is powered on by the power supply block 7, synchronously, the fan 26 is started to continuously blow upwards, the trays 23 arranged on the inner side of the transfer box 5 are in an article-carrying rotating state, and the aim of performing all-dimensional sterilization and dust removal on the articles in the trays 23 is fulfilled;

after the articles are disinfected, the motor C25 arranged on one side of the bracket B24 is started to drive the fan 26 to turn over the interior of the transfer box 5 by 40-45 degrees, and dust falling on the fan 26 falls into a cavity formed in the transfer box 5 under the action of gravity, so that the uniform treatment can be performed in the later period.

Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. A high-grade biosafety laboratory uses pass-through window, characterized by, comprising: a base (1); the bottom side of the interior of the base (1) is rotatably connected with pedals (4), the pedals (4) are arranged at two positions, the two pedals (4) are respectively rotatably connected to the front side and the rear side of the interior of the base (1), the bottom ends of the interiors of the two bases (1) are also fixedly connected with PLC controllers (2), the two PLC controllers (2) are respectively positioned below the two pedals (4), the top ends of the two PLC controllers (2) are respectively provided with a button (3), the button (3) is in single-touch on and single-touch off;

one side of the transmission box (5) is fixedly connected with a support A (15), one side of the support A (15) is provided with a motor B (16), one side of the motor B (16) is provided with a transmission shaft, the transmission shaft penetrates through the transmission box (5) and is positioned in the transmission box (5), the left side and the right side of the inside of the transmission box (5) are both provided with longitudinal guide grooves, the inside of each guide groove is also rotatably connected with two connecting blocks (17), and one connecting block (17) is connected with the transmission shaft on one side of the motor B (16); electromagnetic cylinder (19) are still installed to the inside upper and lower both sides of the inside guide way of seting up of transmission case (5) subtend, wherein the hydraulic stem in electromagnetic cylinder (19) is electromagnetic structure, and wherein the electromagnetic clamping piece (18) are installed to the downside that lies in electromagnetic cylinder (19) of upside, equal fixedly connected with magnetism piece (20) of the bottom side of two longitudinal members in electromagnetic clamping piece (18), install metal clamping piece (21) in the upside that lies in electromagnetic cylinder (19) of downside, slot (22) have still been seted up on the top of two longitudinal members in metal clamping piece (21), equal fixedly connected with tray (23) in the inboard of metal clamping piece (21) and electromagnetic clamping piece (18).

2. The transmission window for high-grade biosafety laboratory according to claim 1, wherein: the interior fixedly connected with transmission case (5) of base (1), be equipped with the cavity in the inside bottom of transmission case (5), it has door (6) to articulate at the front end of cavity, still fixedly connected with power supply piece (7) on the inside top of transmission case (5), still be linear array and be provided with ultraviolet lamp (8) in the bottom of power supply piece (7).

3. The transmission window for the high-grade biological safety laboratory according to claim 2, wherein: both sides equal fixedly connected with curb plate (9) around transmission case (5), curb plate (9) are inside hollow structure, and still peg graft in the inside of transmission case (5) have baffle (10), have observation window (11) at the inside embedding of baffle (10).

4. The transfer window for high-grade biosafety laboratories of claim 3, wherein: one side fixedly connected with rack (12) of baffle (10), still install motor A (13) in the front side of transfer box (5), the transmission shaft is installed to the rear side of motor A (13), and the transmission shaft passes transfer box (5) to be located the inside of transfer box (5), still install gear (14) at the rear side of transmission shaft, gear (14) and rack (12) mesh mutually.

5. The transfer window for high-grade biosafety laboratories of claim 4, wherein: support B (24) are installed to one side of transmission case (5), still install motor C (25) in one side of support B (24), and the left side of motor C (25) is provided with the transmission shaft, and the transmission shaft passes transmission case (5) and is connected with fan (26), and the wind channel that is used for the air-out is seted up on the top of fan (26).

6. The transfer window for high-grade biosafety laboratories of claim 5, wherein: the fan (26) is located at the upper side of the cavity in the transfer box (5) and is located right below the power supply block (7), the motor C (25) is used for adjusting the rotation of the fan (26), and when the fan (26) is in an inclined state, the fan (26) is matched with the cavity in the transfer box (5).