CN213250010U - Practical contamination system - Google Patents
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- CN213250010U CN213250010U CN202021270153.5U CN202021270153U CN213250010U CN 213250010 U CN213250010 U CN 213250010U CN 202021270153 U CN202021270153 U CN 202021270153U CN 213250010 U CN213250010 U CN 213250010U
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Abstract
The utility model discloses a practical contamination system, which utilizes different gas supply pipelines to respectively convey gases with different components into the contamination device through a gas supply device, realizes the gas demand of correspondingly maintaining one exposed bin for one gas component through a one-to-one corresponding conveying structure, and further forms a plurality of experimental environments to culture a plurality of groups of cells simultaneously, or removes and combines the exposed bins to form a plurality of living bins convenient for the growth of rats to carry out related experiments; in order to avoid the pollution of waste gas generated in the test to the outside, the gas collecting and returning device is further arranged to collect the waste gas generated by each exposure bin, and meanwhile, in order to further improve the stability and consistency of the experimental environment, the gas collecting and returning device is further provided with a sterilization air pipe communicated with the exposure chamber so as to be used for circular sterilization of the gas environment in the exposure chamber, thereby providing a stable sterile environment to carry out related contamination experiments in the true sense.
Description
Technical Field
The utility model relates to an experimental facilities, in particular to practical contamination system.
Background
The exposure contamination is a common toxicology experiment technical means, which mainly comprises animal exposure contamination and in-vitro inhalation exposure contamination, the traditional experimental subject of the animal exposure contamination is mostly white mice (rats), namely, different exposure factors (gas components, bacteria or viruses and the like) are set in a plurality of exposure chambers to observe the white mice to obtain related experimental data, the in-vitro inhalation contamination experiment mainly utilizes the technical means of gas-liquid interface exposure contamination to culture cells in a culture medium, aerosol substances to be exposed are dissolved in the culture medium to interact with the cells, and the cultured cells are observed to obtain the related experimental data. Whether the animal body is exposed and infected or the animal body is inhaled in vitro to be exposed and infected, the exposure rooms with consistent culture environments are formed through the equipped experimental equipment to carry out the infection experiment, the traditional exposure equipment mostly adopts a plurality of independent exposure rooms to carry out the experiment simultaneously, the disinfection working strength is high, the consistency of the culture environment is easy to be insufficient, and the accuracy of the experimental result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a practical contamination system, which provides an exposure contamination device with convenient disinfection and good environmental consistency.
According to the utility model discloses practical contamination system, include:
a first frame;
the second rack is arranged at one end of the first rack;
the third rack is arranged at one end of the first rack, which is far away from the second rack;
the contamination device is arranged on the first rack and provided with an exposure chamber and a sealed door for opening and closing the exposure chamber, a plurality of detachable exposure bins are arranged in the exposure chamber, and openings exposed in the exposure chamber are formed in the same sides of the exposure bins;
the air supply device is arranged on the first rack and is provided with a plurality of air supply pipelines penetrating into the exposure chamber, and each air supply pipeline is connected with an opening of one exposure bin;
the air collecting and returning device is arranged on the third rack and provided with a plurality of air collecting pipelines penetrating into the exposure chamber, each air collecting pipeline is connected with one exposure chamber, and the air collecting and returning device is provided with a sterilization air pipe communicated with the exposure chamber and used for air circulation sterilization of the exposure chamber.
According to the utility model discloses practical contamination system has following technological effect at least:
the utility model provides a practical contamination system, utilize different gaspipework to carry the gas of different components to the contamination device through the air feeder respectively, because add the exposure factor of setting for the weight according to the experiment needs in these gases, so can realize that a gas component corresponds the gas demand of maintaining in an exposure storehouse through the transport structure of one-to-one, and then form multiple experimental environment simultaneously and carry out multiunit cell culture, or demolish the combination and form a plurality of living storehouses that are convenient for rat to grow to carry out relevant experiments to the exposure storehouse, obviously, compare in traditional contamination system, the utility model provides a contamination device is applicable in the experiment of two kinds of exposure contamination modes and has the practicality; in order to avoid the pollution of waste gas generated in the test to the outside, the gas collecting and returning device is further arranged to collect the waste gas generated by each exposure bin, and meanwhile, in order to further improve the stability and consistency of the experimental environment, the gas collecting and returning device is further provided with a sterilization air pipe communicated with the exposure chamber so as to be used for circular sterilization of the gas environment in the exposure chamber, thereby providing a stable sterile environment to carry out related contamination experiments in the true sense.
According to the utility model discloses a some embodiments, the tuber pipe that disinfects is provided with tuber pipe main part, connecting pipe and electric heat cycle structure, the one end intercommunication of connecting pipe tuber pipe main part, the other end intercommunication expose the room, electric heat cycle structure sets up the tuber pipe main part is kept away from the one end of connecting pipe, electric heat cycle structure is used for circulation heated air, like this, drives through electric heat cycle structure and exposes indoor gas and circulates, heats degerming or ultraviolet degerming and reach the purpose of circulation degerming at the endless in-process to make and expose indoor air circumstance and keep aseptic condition, and then provide a stable aseptic experimental environment for exposing the storehouse.
According to the utility model discloses a few embodiments, the parcel has the cooling structure on the outer wall of connecting pipe for air temperature control after will heating via electric heat circulation structure is in a temperature range who is suitable for the experiment, and the accuracy that influences the experimental result is influenced to the temperature environment production influence that exposes the storehouse to the overheated air.
According to some embodiments of the utility model, the electric heat circulation structure is provided with resistance wire and fan, the resistance wire sets up the air outlet of fan, obviously, the heating methods that provide here mainly move the air fan to realize disinfecting through heating resistance wire through the fan.
According to some embodiments of the utility model, the electric heat circulation structure in be provided with fan and ultraviolet sterilizing device in the tuber pipe main part, move the air fan through the fan and disinfect through ultraviolet sterilizing device, also can realize the purpose of disinfecting equally.
According to some embodiments of the utility model, collect return gas device in the lower extreme of third frame is provided with first gas holder, the tuber pipe that disinfects with the gas collecting channel all communicates first gas holder (the first gas holder of one end intercommunication, the other end intercommunication of tuber pipe that disinfects promptly expose the room, and the one end intercommunication of gas collecting channel exposes storehouse, the first gas holder of other end intercommunication), utilizes first gas holder to provide a great buffer space like this, and the gaseous flow rate of steerable whole cyclic heating degerming guarantees to expose indoor stable atmospheric pressure that has, simultaneously, still can exert secondary sterilization through first gas holder and improve bactericidal effect.
According to the utility model discloses a some embodiments, the import and the export of first gas holder all are provided with the check valve, the switch on direction and the gas flow direction of check valve are unanimous, promptly via electric heat circulation structure in proper order, the tuber pipe disinfects, expose the room, gas collecting pipe and first gas holder, circulate to the electric heat circulation structure in by first gas holder again, and whole endless drive power then blows the gas flow with the fan and is given first place to, the gas flow direction through one-way circulation is favorable to improving bactericidal effect, and then expose indoor more stable sterile environment that forms.
According to some embodiments of the present invention, the two opposite vertical sidewalls of the exposure chamber are provided with vertical mounting structures, the mounting structure is provided with a plurality of culture plates in a sliding way, the plurality of exposure bins are uniformly arranged at the lower ends of the culture plates, obviously, the sliding installation of the culture plates refers to the sliding installation along the height direction of the exposure chamber, the distance between the adjacent culture plates can be adjusted by the installation mode, the arrangement of the living cabin is convenient by matching with the detachable structure of the exposed cabin, for example, a plurality of small exposed silos are removed and a larger box or case is installed for the cultivation of rats, or two adjacent culture plates are directly spliced to form a living room for breeding rats, in order to ensure the independence of breeding environment, the separation effect can be improved by adding the partition plates, obviously, corresponding air supply pipelines and air collection pipelines are required to be arranged corresponding to each living room to form the contamination experiment environment.
According to the utility model discloses a some embodiments, slidable mounting has a plurality of fixed plates on the mounting structure, the lower extreme of fixed plate is provided with a plurality of test tube connectors that are used for connecting the test tube, and is obvious, the installation of the fixed plate mainly used test tube class culture medium here to be used for further satisfying different experimental demands.
According to the utility model discloses a some embodiments, be provided with a plurality of connecting holes on the fixed plate, the lower extreme of connecting hole is provided with the installation pipe of outband screw thread, test tube connector threaded connection the installation pipe, the one end of installation pipe is kept away from to the admission line connection connecting hole, and gas collection pipe connection test tube connector, can form suitable gas circulation pipeline like this, cooperates foretell electric heat circulation structure and guarantees stability and the uniformity of experimental environment in whole experimentation.
According to some embodiments of the utility model, air supply device is provided with gas storage subassembly, extrusion wheel and many constant temperature pipes, be provided with a plurality of gas storage chambeies that cut off each other in the gas storage subassembly, every the exit linkage in gas storage chamber is one constant temperature pipe, every the gas supply line also corresponds and connects one constant temperature pipe, the extrusion wheel rotates and sets up gas storage subassembly one side to can increase at the rotation in-process the pressure in the gas storage chamber, and then will treat the gas pressure of carrying and extrude the gas storage subassembly and realize gas transportation.
According to the utility model discloses a some embodiments, air supply installation with be provided with the aseptic pipe box of detachable between the device of infecting with poison, many the air supply pipeline all passes aseptic pipe box keeps apart the external world through aseptic pipe box for air supply pipeline and air supply installation and the interface of device of infecting with poison are in aseptic environment, realize the aseptic installation of air supply pipeline, thereby fully guarantee the aseptic operation requirement of whole experimentation.
Additional aspects and advantages of the invention 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 invention.
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 the overall structure of a practical contamination system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an air supply device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an infection apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fixing plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a test tube connector according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a sterile sleeve according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of the sterilizing air duct according to the embodiment of the present invention;
reference numerals:
a first frame 101, a second frame 102, a third frame 103, a contamination device 104, an air supply device 105, a gas collecting and returning device 106, a sterilizing air pipe 107, a sterile pipe sleeve 108,
A sealed door 1041, a culture plate 1042, a mounting structure 1043, a horizontal culture bin 1044, a cleaning plate 1045, a sealing strip 1046, a fixing plate 1047, a connecting hole 1048, a mounting pipe 1049,
A constant temperature pipe 1051, an air pipe 1052, an air storage component 1053, an extrusion wheel 1054, an air inlet 1055,
An air duct main body 1071, a connecting pipe 1072, an electric heating circulation structure 1073,
A first connecting sleeve 1081, a second connecting sleeve 1082, a sterile box 1083,
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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not 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 or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases for a worker of ordinary skill in the art.
Referring to fig. 1 to 7, the utility model provides a practical contamination system, include:
a first frame 101;
a second frame 102 disposed at one end of the first frame 101;
the third rack 103 is arranged at one end of the first rack 101 far away from the second rack 102;
the contamination device 104 is arranged on the first rack 101, the contamination device 104 is provided with an exposure chamber and a sealed door 1041 for opening and closing the exposure chamber, a plurality of detachable exposure bins are arranged in the exposure chamber, and openings exposed in the exposure chamber are arranged on the same side of the exposure bins;
the air supply device 105 is arranged on the first rack 101, the air supply device 105 is provided with a plurality of air supply pipelines penetrating into the exposure chamber, and each air supply pipeline is connected with an opening of one exposure chamber;
the gas collecting and returning device 106 is arranged on the third rack 103, the gas collecting and returning device 106 is provided with a plurality of gas collecting pipelines penetrating into the exposure chamber, each gas collecting pipeline is connected with one exposure chamber, and the gas collecting and returning device 106 is provided with a sterilization air pipe 107 communicated with the exposure chamber so as to be used for air circulation sterilization of the exposure chamber.
According to the above structure, the utility model provides a practical contamination system, utilize the gas supply pipeline of difference to transport the gas of different components to contamination device 104 respectively through air supply device 105, because add the exposure factor of setting for the weight according to the experiment needs in these gases, so can realize that a gas component corresponds the gas demand of maintaining in an exposure storehouse through the transport structure of one-to-one correspondence, and then form multiple experimental environment simultaneously and carry out multiunit cell culture, or demolish the combination and form a plurality of living in the storehouse of being convenient for rat to grow to expose the storehouse and carry out the relevant experiment, obviously, compare in traditional contamination system, the utility model provides a contamination device 104 is applicable in the experiment of two kinds of exposure contamination modes and has the practicality; in order to avoid pollution of waste gas generated in the experiment to the outside, the gas collection and return device 106 is further arranged to collect the waste gas generated in each exposure bin, and meanwhile, in order to further improve the stability and consistency of the experiment environment, the gas collection and return device 106 is further provided with a sterilization air pipe 107 communicated with the exposure chamber for circular sterilization of the gas environment in the exposure chamber, so that a stable sterile environment is provided for relevant contamination experiments in a true sense.
According to some embodiments of the utility model, as shown in fig. 7, the tuber pipe 107 that disinfects is provided with tuber pipe main part 1071, connecting pipe 1072 and electric heat circulating structure 1073, connecting pipe 1072's one end intercommunication tuber pipe main part 1071, the room is exposed in the other end intercommunication, electric heat circulating structure 1073 sets up the one end of keeping away from connecting pipe 1072 at tuber pipe main part 1071, electric heat circulating structure 1073 is used for circulating heating air, thus, it circulates to drive the indoor gas of exposure through electric heat circulating structure 1073, add thermal degerming or ultraviolet degerming and reach the purpose of circulation degerming at the endless in-process, thereby make the indoor air circumstance of exposure keep sterile state, and then provide a stable aseptic experimental environment for exposing the storehouse.
According to the utility model discloses a some embodiments, the parcel has the cooling structure on connecting pipe 1072's the outer wall for will be suitable for the temperature range of experiment via the air temperature control after electric heat circulating structure 1073 heating, avoid influencing the experimental result to the temperature environment production in exposing the storehouse.
According to some embodiments of the utility model, electric heat circulation structure 1073 is provided with resistance wire and fan, and the resistance wire setting is at the air outlet of fan, and obviously, the heating methods that provide here mainly move the air fan to realize disinfecting through heating resistance wire through the fan.
According to some embodiments of the utility model, electric heat circulating structure 1073 is provided with fan and ultraviolet sterilizing device in tuber pipe main part 1071, moves the air fan through the fan and disinfects through ultraviolet sterilizing device, also can realize the purpose of disinfecting equally.
According to some embodiments of the utility model, the collection returns gas device 106 and is provided with first gas holder in the lower extreme of third frame 103, the tuber pipe 107 and the gas collecting channel of disinfecting all communicate first gas holder (the first gas holder of one end intercommunication of tuber pipe 107 disinfects promptly, the room is exposed in the other end intercommunication, the storehouse is exposed in the one end intercommunication of gas collecting channel, the first gas holder of other end intercommunication), utilize first gas holder to provide a great buffer space like this, steerable whole circulation heats the gas flow rate of degerming and guarantees to expose indoor stable atmospheric pressure that has, and simultaneously, still can improve bactericidal effect through exerting secondary sterilization at first gas holder.
According to some embodiments of the utility model, the import and the export of first gas holder all are provided with the check valve, the switch on direction and the gas flow direction of check valve are unanimous, promptly via electric heat circulation structure 1073 in proper order, the tuber pipe 107 disinfects, expose the room, gas collection pipeline and first gas holder, circulate to electric heat circulation structure 1073 in by first gas holder again, and whole endless drive power then uses the fan to blow the gas flow and is given first place to, the gas flow direction through one-way circulation is favorable to improving bactericidal effect, and then expose indoor more stable sterile environment that forms.
According to some embodiments of the present invention, as shown in fig. 3, a vertical installation structure 1043 is disposed on two opposite vertical side walls of the exposure chamber, a plurality of cultivation boards 1042 are slidably installed on the installation structure 1043, a plurality of exposure chambers are uniformly disposed at the lower ends of the cultivation boards 1042, obviously, the sliding installation of the cultivation boards 1042 refers to the sliding installation along the height direction of the exposure chamber, the distance between the adjacent cultivation boards 1042 can be adjusted by the installation method, the removable structure of the exposure chambers is matched to facilitate the arrangement of the living chambers, for example, a plurality of small exposure chambers are removed and then installed with a larger box or box for rat cultivation, or two adjacent cultivation boards 1042 are directly spliced to form a living chamber for rat cultivation, in order to ensure the independence of the cultivation environment, the separation effect can be improved by increasing the partition plate, obviously, corresponding gas collecting pipes and gas supply pipes need to be disposed for each living chamber to form the contamination experiment environment .
According to some embodiments of the utility model, as shown in fig. 3, slidable mounting has a plurality of fixed plates 1047 on mounting structure 1043, and the lower extreme of fixed plate 1047 is provided with a plurality of test tube connectors 200 that are used for connecting the test tube, and obviously, fixed plate 1047 mainly used test tube class culture medium's here installation to be used for further satisfying different experimental demands.
According to some embodiments of the present invention, as shown in fig. 3, in order to ensure the air tightness of the whole exposure chamber, a circle of sealing strip 1046 may be disposed at the edge of the closed exposure chamber of the airtight door 1041.
According to some embodiments of the utility model, as shown in fig. 3, it sets up to horizontally horizontal culture storehouse 1044 to expose the storehouse, and a horizontal end of horizontal culture storehouse 1044 is provided with above-mentioned opening, and the bottom of the inner chamber of horizontal culture storehouse 1044 is located the open-ended below to be used for placing the culture solution, the lower extreme correspondence of culture plate 1042 is provided with a plurality of draw-in grooves, realizes that the chucking of horizontal culture storehouse 1044 is fixed through the draw-in groove.
According to some embodiments of the utility model, as shown in fig. 3, the lower extreme that exposes the room is provided with the cleaning sheet 1045 that communicates the outside washing hole and switching washing hole, when wasing the exposure room, can overturn cleaning sheet 1045 and make exposure room and external intercommunication, and then the sewage of being convenient for flows via the washing hole.
According to some embodiments of the utility model, as shown in fig. 4, fig. 5, be provided with a plurality of connecting holes 1048 on the fixed plate 1047, the lower extreme of connecting hole 1048 is provided with the installation pipe 1049 of outband screw thread, test tube connector 200 threaded connection installation pipe 1049, the one end that the installation pipe 1049 was kept away from to admission line connection connecting hole 1048, and gas collection pipe connection test tube connector 200, can form suitable gas circulation pipeline like this, cooperate foretell electric heat circulation structure 1073 and guarantee stability and the uniformity of experimental environment in whole experimentation.
According to some embodiments of the present invention, as shown in fig. 5, the test tube connector 200 is provided with a first connector 201 and a second connector 202 which are communicated with each other, wherein the second connector 202 is provided with an internal thread corresponding to the external thread of the mounting tube 1049, and a flange plate is provided at one end of the second connector 202 close to the fixing plate 1047, so as to further improve the sealing property when the second connector 202 is connected with the mounting tube 1049 by closing the end surface of the fixing plate 1047 by the annular flange plate; the lower end of the first connector 201 is provided with an annular soft rubber plug, and the size of the annular soft rubber plug is matched with that of the test tube to be installed, so that the test tube to be installed is clamped and fixed through the soft rubber plug; further, still can set up three way connection on first connector 201, three interface of three way connection switches on second connector 202, test tube and gas collecting pipe respectively, and then is convenient for form complete gas circulation pipeline.
According to some embodiments of the utility model, as shown in fig. 2, the air supply device 105 is provided with a gas storage assembly 1053, extrusion wheel 1054 and many constant temperature pipes 1051, be provided with a plurality of gas storage chambers that cut off each other in the gas storage assembly 1053, a constant temperature pipe 1051 of exit linkage in every gas storage chamber, every gas supply pipeline also corresponds and connects a constant temperature pipe 1051, extrusion wheel 1054 rotates and sets up in gas storage assembly 1053 one side, and can increase the pressure in the gas storage chamber in the rotation process (the gas that extrudes gas storage assembly 1053 body or drive in gas storage assembly 1053 flows or the piston that promotes to be located gas storage assembly 1053 all can be realized), and then will treat the gas that carries and extrude gas storage assembly 1053 and realize gas transportation.
According to some embodiments of the present invention, the constant temperature pipe 1051 can adopt a constant temperature device to keep the temperature of the pipeline, and can also wrap the heat insulation cotton on the outer wall of the pipeline to keep the temperature stable.
According to some embodiments of the present invention, as shown in fig. 2, the constant temperature pipe 1051 is connected to the gas storage assembly 1053 through the gas pipe 1052, and the end of the constant temperature pipe 1051 away from the gas storage assembly 1053 is provided with the gas inlet 1055, and the gas inlet 1055 is provided with an extended threaded connector for connecting the gas supply pipe with a screw.
According to some embodiments of the present invention, the gas storage assembly 1053 may comprise a plurality of gas canisters stacked together.
According to some embodiments of the utility model, as shown in fig. 1, fig. 6, be provided with the aseptic pipe box 108 of detachable between air feeder 105 and the device 104 of infecting with poison, many air supply pipelines all pass aseptic pipe box 108, keep apart the external world through aseptic pipe box 108 for air supply pipeline and air feeder 105 and the interface of device 104 of infecting with poison are in aseptic environment, realize the aseptic installation of air supply pipeline, thereby fully guarantee the aseptic operation requirement of whole experimentation.
According to some embodiments of the present invention, as shown in fig. 6, the sterile tube sleeve 108 is an assembled structure, including the first connecting sleeve 1081, the sterile box 1083 and the second connecting sleeve 1082 which are connected in sequence, wherein the first connecting sleeve 1081 and the second connecting sleeve 1082 are used for connecting the air supply device 105 and the contamination device 104 (the connection position can be changed), the sterile box 1083 is provided with a box cover which can be opened and closed, and the whole sterile tube sleeve 108 can be sterilized or disassembled by opening the box cover.
According to the utility model discloses a some embodiments, in above-mentioned all gas transmission pipeline, all can set up the check valve that switches on along the gas flow direction, for example along the direction of admitting air, gas collection direction and circulation heating direction switch on, can not carry unstable factor entering experimental environment when making gas circulation flow on the one hand like this, also can not let the gas reflux that the experiment produced and destroy aseptic nature or the stability of other structures, the visual experimental process people of break-make and the flow direction of control gas through control check valve on the other hand, thereby further satisfy the experiment demand.
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 present invention. 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 present invention 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 invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A practical toxicant exposure system, comprising:
a first chassis (101);
a second frame (102) provided at one end of the first frame (101);
the third rack (103) is arranged at one end, far away from the second rack (102), of the first rack (101);
the contamination device (104) is arranged on the first rack (101), the contamination device (104) is provided with an exposure chamber and a sealed door (1041) for opening and closing the exposure chamber, a plurality of detachable exposure bins are arranged in the exposure chamber, and openings exposed in the exposure chamber are arranged on the same side of the exposure bins;
the air supply device (105) is arranged on the first rack (101), the air supply device (105) is provided with a plurality of air supply pipelines penetrating into the exposure chambers, and each air supply pipeline is connected with an opening of one exposure bin;
the air collecting and returning device (106) is arranged on the third rack (103), a plurality of air collecting pipelines penetrating into the exposure chamber are arranged on the air collecting and returning device (106), each air collecting pipeline is connected with one exposure bin, and the air collecting and returning device (106) is provided with a sterilizing air pipe (107) communicated with the exposure chamber so as to be used for air circulation sterilization of the exposure chamber.
2. The practical contamination system according to claim 1, wherein the sterilizing air duct (107) is provided with a duct main body (1071), a connecting duct (1072) and an electric heating circulation structure (1073), one end of the connecting duct (1072) communicates with the duct main body (1071) and the other end communicates with the exposure chamber, the electric heating circulation structure (1073) is provided at an end of the duct main body (1071) away from the connecting duct (1072), and the electric heating circulation structure (1073) is used for circulating heated air.
3. The practical toxicant exposure system according to claim 2, characterized in that the outer wall of said connecting pipe (1072) is wrapped with a cooling structure.
4. The practical exposure system of claim 2, characterized in that the electrical thermal cycle structure (1073) is provided with a resistance wire and a fan, the resistance wire being provided at an air outlet of the fan.
5. The practical contamination system according to claim 1, wherein the gas collecting and returning device (106) is provided with a first gas storage tank at the lower end of the third rack (103), and the sterilizing air pipe (107) and the gas collecting pipeline are both communicated with the first gas storage tank.
6. The practical exposure system of claim 1, wherein the exposure chamber is provided with vertical mounting structures (1043) on two opposite vertical side walls, the mounting structures (1043) are slidably mounted with a plurality of culture plates (1042), and the plurality of exposure chambers are uniformly arranged at the lower ends of the culture plates (1042).
7. The practical contamination system according to claim 6, wherein a plurality of fixing plates (1047) are slidably mounted on the mounting structure (1043), and a plurality of test tube connectors (200) for connecting test tubes are arranged at the lower ends of the fixing plates (1047).
8. The practical contamination system according to claim 7, wherein the fixing plate (1047) is provided with a plurality of connecting holes (1048), the lower ends of the connecting holes (1048) are provided with mounting tubes (1049) with external threads, and the test tube connectors (200) are in threaded connection with the mounting tubes (1049).
9. The practical contamination system according to claim 1, wherein the air supply device (105) is provided with an air storage assembly (1053), an extrusion wheel (1054) and a plurality of constant temperature pipes (1051), a plurality of mutually separated air storage cavities are arranged in the air storage assembly (1053), an outlet of each air storage cavity is connected with one constant temperature pipe (1051), each air supply pipeline is correspondingly connected with one constant temperature pipe (1051), and the extrusion wheel (1054) is rotatably arranged on one side of the air storage assembly (1053) and can increase the pressure in the air storage cavity in the rotating process.
10. A practical exposure system according to claim 1, characterised in that a removable sterile sleeve (108) is provided between the air supply (105) and the exposure device (104), a plurality of air supply conduits each passing through the sterile sleeve (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021270153.5U CN213250010U (en) | 2020-07-01 | 2020-07-01 | Practical contamination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021270153.5U CN213250010U (en) | 2020-07-01 | 2020-07-01 | Practical contamination system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213250010U true CN213250010U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021270153.5U Active CN213250010U (en) | 2020-07-01 | 2020-07-01 | Practical contamination system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213250010U (en) |
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2020
- 2020-07-01 CN CN202021270153.5U patent/CN213250010U/en active Active
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