CN215312435U - Biological safety cabinet smog inactivation experiment system - Google Patents
Biological safety cabinet smog inactivation experiment system Download PDFInfo
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- CN215312435U CN215312435U CN202121225414.6U CN202121225414U CN215312435U CN 215312435 U CN215312435 U CN 215312435U CN 202121225414 U CN202121225414 U CN 202121225414U CN 215312435 U CN215312435 U CN 215312435U
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Abstract
The utility model discloses a smoke inactivation experiment system of a biological safety cabinet, which is used for performing smoke inactivation experiments through a glove box arranged in an airflow isolation area of the biological safety cabinet, and particularly, a sample can be placed into a second working chamber by opening and closing a third opening and closing structure, then under the experiment condition of a closed state, the second opening and closing structure and a smoke generation system are opened to fill smoke into a first working chamber, then the second opening and closing structure is closed, the first opening and closing structure is opened to take the sample into the first working chamber, and then the first opening and closing structure is closed to perform the smoke inactivation experiments.
Description
Technical Field
The utility model relates to biological experiment equipment, in particular to a smoke inactivation experiment system of a biological safety cabinet.
Background
The biological safety experiment in the laboratory has set requirements on the grade, personnel protection, laboratory article protection and environmental protection of the biological safety cabinet, and particularly when the biological safety experiment is carried out on virus inactivation experiments with strong infectivity and transmissibility such as new coronavirus, the biological safety experiment particularly needs to avoid the exposure of operators to infectious aerosol and splashes possibly generated in the operation process.
The existing biological safety cabinet experiment system generally adopts the vertical airflow generated by the exhaust circulation system of the biological safety cabinet to isolate, so that the external unfiltered airflow is captured by the air inlet barrier to avoid the pollution of the working area by the external air, and simultaneously, the leakage of substances in the cabinet can be avoided. However, because the structural composition of the current biosafety cabinet experiment system is relatively fixed, not only is an effective smoke generating means lacked, but also a stable smoke inactivation working area is difficult to provide, so that the virus smoke inactivation experiment is difficult to perform, and the requirement of a spray type smoke inactivation test of a smoke sterilizer and the like cannot be met.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an inactivation experiment system of a biological safety cabinet, which can provide a stable smoke inactivation working area to carry out a smoke inactivation experiment efficiently and can also meet the smoke inactivation test requirement of a disinfection machine.
The smoke inactivation experiment system for the biological safety cabinet comprises:
the biological safety cabinet is internally provided with an airflow isolation area, and the front side of the biological safety cabinet is provided with a lifting door for opening and closing the airflow isolation area;
the glove box is movably arranged in the airflow isolation area and is provided with a first working cavity and a second working cavity, a first opening and closing structure capable of being opened and closed is arranged between the first working cavity and the second working cavity, the first working cavity is provided with a second opening and closing structure used for making and closing smoke airflow and a glove structure used for operating, and the second working cavity is provided with a third opening and closing structure used for taking and placing a sample;
and the smoke generating system corresponds to the glove box and is provided with a smoke generating assembly and a flow channel connected with the second opening and closing structure.
The smoke inactivation experiment system for the biological safety cabinet disclosed by the embodiment of the utility model at least has the following technical effects;
the smoke inactivation experiment system for the biological safety cabinet provided by the utility model is used for performing a smoke inactivation experiment through a glove box arranged in an airflow isolation area of the biological safety cabinet, specifically, a sample can be placed in a second working chamber by opening and closing a third opening and closing structure, then under the experiment condition of a closed state, the second opening and closing structure and the smoke generation system are opened to fill smoke into a first working chamber, then the second opening and closing structure is closed, the first opening and closing structure is opened to take the sample into the first working chamber, and then the first opening and closing structure is closed to perform the smoke inactivation experiment.
Furthermore, when the smoke generating system is set to be the sterilizing machine to be tested, the smoke inactivation test requirement of the sterilizing machine can be fully met.
Furthermore, because the produced vertical airflow of biological safety cabinet is located the front side of whole cabinet body, is close to the position of overhead door promptly, so the isolated district of airflow who forms is located the rear side of vertical airflow in essence, consequently can make overhead door keep the operating condition who opens and be convenient for the direct experiment operation and the experimental process control through the gloves structure of technical staff here in whole experimentation.
According to some embodiments of the present invention, the second opening and closing structure is disposed at an end of the first working chamber opposite to the first opening and closing structure, the third opening and closing structure is disposed at an end of the second working chamber opposite to the first opening and closing structure, and the glove structure is located between the first opening and closing structure and the third opening and closing structure and located at a front side of the glove box.
According to some embodiments of the present invention, the lift gate and the glove box are integrally made of transparent materials for easy observation and operation of technicians.
According to some embodiments of the utility model, a connector is arranged at one end of the flow passage, the connector is detachably connected with the second opening and closing structure, and a technician can adjust or replace the flow passage in time by disassembling and assembling the connector.
According to some embodiments of the present invention, the second opening and closing structure includes a second opening disposed on a side wall of the first working chamber and a second movable door movably disposed inside the first working chamber, the second movable door can open and close the second opening within a moving range, and the connecting head can be detachably connected to the second opening.
According to some embodiments of the present invention, the second opening is provided with an internal thread, and the connector is provided with an external thread corresponding to the internal thread, so as to form a detachable connection structure convenient for disassembly and assembly.
According to some embodiments of the present invention, the first opening and closing structure includes a first opening for communicating the first working chamber with the second working chamber, and a first movable door movably disposed inside the first working chamber, and the first movable door can open and close the first opening within a moving stroke range, and in this structure, a technician can quickly open and close the first movable door through a glove structure, and can effectively avoid the loss of smoke while taking out a sample from the second working chamber and placing the sample into the first working chamber.
According to some embodiments of the utility model, the edges of the first and second movable doors closing the first working chamber are each provided with a sealing structure for improving the airtightness of the first working chamber.
According to some embodiments of the present invention, the third opening and closing structure includes a third opening and a third movable door, the third movable door is detachably disposed on the third opening, the outer sidewall of the second working chamber and the outer sidewall of the third movable door are correspondingly provided with a locking structure, the locking or detaching of the third movable door can be realized through the locking structure, and the taking and placing of the sample can be facilitated.
According to some embodiments of the present invention, the locking structure includes a plurality of wrenching members and a plurality of fastening members, the plurality of wrenching members are uniformly disposed on the outer sidewall of the second working chamber around the center of the third opening, the plurality of fastening members are uniformly disposed on the outer sidewall of the third movable door corresponding to the wrenching members, and the wrenching members can rotate and fasten or separate from the fastening members during rotation.
According to some embodiments of the present invention, the third moving door closing the third opening is also provided with the above-described sealing structure for further improving the airtightness of the entire glove box.
According to some embodiments of the present invention, the glove box comprises a main box body and a detachable temporary storage box, wherein the main box body is used for providing the first working chamber, the temporary storage box is used for providing the second working chamber, and in combination with the above, the glove box is of a double-box structure, wherein the main box body is used for providing a stable and effective experimental environment for performing a smoke inactivation experiment, and the temporary storage box is used for temporarily storing the inactivation sample before the experiment.
According to some embodiments of the present invention, the flow channel is configured as a detachable and replaceable hose for connecting the smoke generating assembly and the second opening/closing structure, and the whole inactivation experiment generally has a higher temperature, and the required smoke will also have a higher heating temperature, so that the hose also needs to have a certain heat resistance.
According to some embodiments of the utility model, the smoke generating assembly may be a commercially available spray type smoke sterilizer, and the smoke sterilizer may spray the inactivated smoke at a set temperature to provide the smoke at a set concentration and a set temperature to the first working chamber after flexibly proportioning the volume and the volume of the liquid medicine and the synergist, so as to sufficiently meet experimental requirements.
According to some embodiments of the present invention, the smoke generating system or the smoke generating assembly may be further fixed in a biological safety cabinet, and a corresponding fixing structure (such as a fixing frame) is disposed in the biological safety cabinet for installation and fixation, so as to further avoid the exposure problem, and fully ensure the reliability of the experimental result.
According to some embodiments of the utility model, the biological safety cabinet is provided with a movable mounting rack in the airflow isolation area, and the glove box can be fixedly mounted by arranging a concave position matched with the glove box at the upper end of the mounting rack.
According to some embodiments of the present invention, the upper portion of the bio-safety cabinet is provided with a control panel for a technician to control the working state of the entire bio-safety cabinet, including the lifting control of the lifting door and the working state of the vertical air flow.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of an overall structure of a smoke inactivation experiment system of a biosafety cabinet according to an embodiment of the utility model;
FIG. 2 is a schematic view of an overall structure of a glove box according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an overall configuration of the deposit box according to the embodiment of the present invention;
reference numerals:
a biological safety cabinet 100, a control panel 101, a lifting door 102, a glove box 103, a flow passage 104 and a smoke generating system 105;
a temporary storage box 200, a first opening and closing structure 201, a second opening and closing structure 202, and a glove structure 203;
a third opening and closing structure 300, a fastener 301, and a wrench 302.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases for the ordinary worker skilled in the art.
Referring to fig. 1, 2 and 3, the utility model provides a smoke inactivation experiment system for a biosafety cabinet, comprising:
a biological safety cabinet 100 having an airflow isolation region therein, and a lift door 102 for opening and closing the airflow isolation region provided at a front side of the biological safety cabinet 100;
the glove box 103 is movably arranged in the airflow isolation area, the glove box 103 is provided with a first working cavity and a second working cavity, a first opening and closing structure 201 capable of being opened and closed is arranged between the first working cavity and the second working cavity, the first working cavity is provided with a second opening and closing structure 202 used for opening and closing smoke airflow and a glove structure 203 used for operation, and the second working cavity is provided with a third opening and closing structure 300 used for taking and placing samples;
the smoke generation system 105 is provided corresponding to the glove box 103, and the smoke generation system 105 is provided with a smoke generation component and a flow passage 104 connected with the second opening and closing structure 202.
According to the above structure, the smoke inactivation experiment system of the biosafety cabinet provided by the utility model performs the smoke inactivation experiment through the glove box 103 arranged in the airflow isolation area of the biosafety cabinet 100, specifically, the sample can be placed in the second working chamber by opening and closing the third opening and closing structure 300, then, under the experimental condition of the closed state, the second opening and closing structure 202 and the smoke generating system 105 are opened to charge smoke into the first working cavity, then the second opening and closing structure 202 is closed and the first opening and closing structure 201 is opened to take the sample into the first working chamber, then the smoke inactivation experiment can be carried out by closing the first opening and closing structure 201, the whole operation process can be carried out by the glove structure 203, the exposure problem can be effectively avoided, meanwhile, the experiment system can be fully matched with the airflow isolation area provided by the biological safety cabinet 100 to quickly and stably carry out the smoke inactivation experiment of the virus.
Further, when the smoke generating system 105 is set as a sterilizer to be tested, the smoke inactivation test requirement of the sterilizer can be fully met.
Further, since the vertical airflow generated by the biosafety cabinet 100 is located at the front side of the whole cabinet body, i.e. at a position close to the lifting door 102, the airflow isolation zone is substantially located at the rear side of the vertical airflow, so that the lifting door 102 can be kept in an open working state during the whole experiment process, thereby facilitating the experiment operation and the experiment process control of technicians directly through the glove structure 203.
In some embodiments of the present invention, as shown in fig. 2, the second opening and closing structure 202 is disposed at an end of the first working chamber opposite to the first opening and closing structure 201, the third opening and closing structure 300 is disposed at an end of the second working chamber opposite to the first opening and closing structure 201, and the glove structure 203 is located between the first opening and closing structure 201 and the third opening and closing structure 300 and located at a front side of the glove box 103.
In some embodiments of the present invention, the lift gate 102 and the glove box 103 are integrally made of transparent materials for easy observation and operation by technicians.
In some embodiments of the present invention, as shown in fig. 1, a connector is disposed at one end of the flow channel 104, and the connector is detachably connected to the second opening/closing structure 202, so that a technician can adjust or replace the flow channel 104 in time by detaching the connector.
In some embodiments of the present invention, as shown in fig. 2, the second opening/closing structure 202 includes a second opening disposed on a side wall of the first working chamber and a second movable door movably disposed inside the first working chamber, the second movable door can open/close the second opening within a moving range, and the connecting head can be detachably connected to the second opening.
In some embodiments of the present invention, the second opening is provided with an internal thread, and the connector is provided with an external thread corresponding to the internal thread, so that a detachable connection structure convenient for disassembly and assembly can be formed.
In some embodiments of the present invention, as shown in fig. 2 and 3, the first opening and closing structure 201 includes a first opening for communicating the first working chamber with the second working chamber, and a first movable door movably disposed inside the first working chamber, and the first movable door can open and close the first opening within a moving stroke range, and in this structure, a technician can rapidly open and close the first movable door through the glove structure 203, and can take out a sample from the second working chamber and place the sample into the first working chamber while effectively avoiding the loss of smoke.
In some embodiments of the present invention, the edges of the first and second movable doors closing the first working chamber are each provided with a sealing structure for improving the airtightness of the first working chamber.
In some embodiments of the present invention, as shown in fig. 3, the third opening and closing structure 300 includes a third opening and a third movable door, the third movable door is detachably disposed on the third opening, and locking structures are correspondingly disposed on the outer sidewall of the second working chamber and the outer sidewall of the third movable door, so that the third movable door can be locked or detached by the locking structures, and a sample can be conveniently taken and placed.
In some embodiments of the present invention, as shown in fig. 3, the locking structure includes a plurality of wrenching members 302 and a plurality of fastening members 301, the plurality of wrenching members 302 are uniformly disposed on the outer sidewall of the second working chamber around the center of the third opening, the plurality of fastening members 301 are uniformly disposed on the outer sidewall of the third movable door corresponding to the wrenching members 302, and the wrenching members 302 can rotate and fasten or separate from the fastening members 301 during the rotation process, obviously, the opening and closing of the whole locking structure can be realized by wrenching the wrenching members 302, so as to facilitate the disassembling and assembling of the third movable door, and provide convenience for the use of the technician.
In some embodiments of the present invention, the facility of the third moving door to close the third opening is also provided with the above-described sealing structure for further improving the airtightness of the entire glove box 103.
In some embodiments of the present invention, the first working chamber is provided with sliding grooves corresponding to the first and second moving doors for slidably mounting the first and second moving doors, and edges of the first and second moving doors are provided with sealing structures closing the sliding grooves for improving sealing performance.
In some embodiments of the present invention, as shown in fig. 1, the glove box 103 includes a main box body and a detachable temporary storage box 200, the main box body is used for providing a first working chamber, the temporary storage box 200) is used for providing a second working chamber, and in combination with the above, the glove box 103 is a double-box structure, wherein the main box body is used for providing a stable and effective experimental environment for performing the smoke inactivation experiment, and the temporary storage box 200 is used for temporarily storing the inactivation sample before the experiment, obviously, the glove box 103 in such a structure can not only provide a temporary storage area for the sample, but also sufficiently ensure the orderly progress of the experiment and avoid the exposure problem.
In some embodiments of the present invention, the flow channel 104 is configured as a removable and replaceable hose for connecting the smoke generating assembly to the second opening/closing structure 202, and the hose also needs to have certain heat resistance because the whole inactivation experiment generally has higher temperature, and the smoke required by the same will also have higher heating temperature.
In some embodiments of the present invention, as shown in fig. 1, the smoke generating assembly may be a commercially available aerosol type smoke sterilizer, where the aerosol sterilizer can spray inactivated smoke at a set temperature to provide smoke at a set concentration and a set temperature for the first working chamber after flexibly matching the volume of the liquid medicine and the synergist, so as to sufficiently meet experimental requirements.
In some embodiments of the present invention, the smoke generating system 105 or the smoke generating component may also be fixed in the biological safety cabinet 100, and a corresponding fixing structure (such as a fixing frame) is disposed in the biological safety cabinet 100 for installation and fixation, so as to further avoid the exposure problem, and thus fully ensure the reliability of the experimental result.
In some embodiments of the present invention, the biosafety cabinet 100 is provided with a movable mounting rack in the airflow isolation area, and the glove box 103 can be fixedly installed by arranging a concave position matched with the glove box 103 at the upper end of the mounting rack.
In some embodiments of the present invention, as shown in fig. 1, the upper portion of the bio-safety cabinet 100 is provided with a control panel 101 for a technician to control the working state of the entire bio-safety cabinet 100, including the lifting control of the lifting door 102 and the working state of the vertical air flow.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a biohazard safety cabinet smog inactivation experiment system which characterized in that includes:
the biological safety cabinet is internally provided with an airflow isolation area, and the front side of the biological safety cabinet is provided with a lifting door for opening and closing the airflow isolation area;
the glove box is movably arranged in the airflow isolation area and is provided with a first working cavity and a second working cavity, a first opening and closing structure capable of being opened and closed is arranged between the first working cavity and the second working cavity, the first working cavity is provided with a second opening and closing structure used for making and closing smoke airflow and a glove structure used for operating, and the second working cavity is provided with a third opening and closing structure used for taking and placing a sample;
and the smoke generating system corresponds to the glove box and is provided with a smoke generating assembly and a flow channel connected with the second opening and closing structure.
2. The smoke inactivation experiment system of claim 1, wherein the second opening and closing structure is disposed at an end of the first working chamber opposite to the first opening and closing structure, the third opening and closing structure is disposed at an end of the second working chamber opposite to the first opening and closing structure, and the glove structure is located between the first opening and closing structure and at a front side of the glove box.
3. The smoke inactivation experiment system for biological safety cabinet as claimed in claim 1, wherein a connector is disposed at one end of the flow channel, and the connector is detachably connected to the second opening/closing structure.
4. The smoke inactivation experiment system of claim 3, wherein the second opening and closing structure comprises a second opening disposed on a side wall of the first working chamber and a second movable door movably disposed inside the first working chamber, the second movable door can open and close the second opening within a movable stroke range, and the connecting head is detachably connected to the second opening.
5. The smoke inactivation experiment system of the biosafety cabinet according to claim 4, wherein an internal thread is provided on the second opening, and an external thread is provided on the connector corresponding to the internal thread.
6. The smoke inactivation experiment system of claim 5, wherein the first opening and closing structure comprises a first opening for communicating the first working chamber with the second working chamber, and a first movable door movably disposed inside the first working chamber, wherein the first movable door can open and close the first opening within a moving stroke range.
7. The biological safety cabinet smoke inactivation experiment system according to claim 6, wherein sealing structures are arranged on the edges of the first movable door and the second movable door closing the first working chamber.
8. The smoke inactivation experiment system for the biosafety cabinet as claimed in claim 1, wherein the third opening and closing structure comprises a third opening and a third movable door, the third opening and the third movable door are disposed at one end of the second working chamber, the third movable door is detachably disposed on the third opening, and locking structures are correspondingly disposed on an outer side wall of the second working chamber and an outer side wall of the third movable door.
9. The smoke inactivation experiment system of claim 8, wherein the locking structure comprises a plurality of wrenching members and a plurality of fastening members, the plurality of wrenching members are uniformly arranged on the outer sidewall of the second working chamber around the center of the third opening, the plurality of fastening members are uniformly arranged on the outer sidewall of the third movable door corresponding to the wrenching members, and the wrenching members can rotate and fasten to or separate from the fastening members during the rotation process.
10. The bio-safety cabinet smoke inactivation experiment system according to any one of claims 1 to 9, wherein the glove box comprises a main box body and a detachable temporary storage box, the main box body is used for providing the first working chamber, and the temporary storage box is used for providing the second working chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225414.6U CN215312435U (en) | 2021-06-02 | 2021-06-02 | Biological safety cabinet smog inactivation experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225414.6U CN215312435U (en) | 2021-06-02 | 2021-06-02 | Biological safety cabinet smog inactivation experiment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215312435U true CN215312435U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121225414.6U Active CN215312435U (en) | 2021-06-02 | 2021-06-02 | Biological safety cabinet smog inactivation experiment system |
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| Country | Link |
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| CN (1) | CN215312435U (en) |
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2021
- 2021-06-02 CN CN202121225414.6U patent/CN215312435U/en active Active
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