CN112680339A - Automatic cover-taking drainage device for culture medium - Google Patents
Automatic cover-taking drainage device for culture medium Download PDFInfo
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- CN112680339A CN112680339A CN202011477417.9A CN202011477417A CN112680339A CN 112680339 A CN112680339 A CN 112680339A CN 202011477417 A CN202011477417 A CN 202011477417A CN 112680339 A CN112680339 A CN 112680339A
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- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 238000003860 storage Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 48
- 238000002347 injection Methods 0.000 claims description 41
- 239000007924 injection Substances 0.000 claims description 41
- 238000004891 communication Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 description 5
- 229920001817 Agar Polymers 0.000 description 4
- 239000008272 agar Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The invention discloses a culture medium automatic cover-taking drainage device, which comprises: a housing; the drainage mechanism comprises a drainage component for draining the culture medium in the storage bottle to the culture container and a driving seat for driving the storage bottle and the drainage component to synchronously move; the cover opening mechanism is arranged above the culture container, and one end of the cover opening mechanism is fixedly connected with the outer cover; the control mechanism is used for controlling the working states of the drainage mechanism and the uncovering mechanism; and the power supply mechanism is electrically connected with the drainage mechanism, the cover opening mechanism and the control mechanism respectively. According to the invention, the drainage mechanism and the cover opening mechanism are matched for use, so that batch automatic streamlined production of the culture medium injected into the culture container is realized, the cover opening mechanism is utilized to automatically take the cover before the culture medium is injected, and the cover is closed in time after the culture medium is injected, so that the culture medium in the culture container is prevented from being polluted, the manual work is reduced, and the test efficiency and the test accuracy can be considered.
Description
Technical Field
The invention relates to the technical field of microorganism detection equipment, in particular to an automatic cover-taking and drainage device for a culture medium.
Background
In performing a microorganism detection assay, it is often necessary to inject media into a petri dish or flask to provide the growth nutrients required by the microorganism. Under the usual condition, need the experimenter to pour the culture medium into culture dish or blake bottle in proper order to seal in proper order, the experimentation is manual operation, and is consuming time for a long time, can't in time seal culture dish or blake bottle after injecting into the culture medium moreover, has the risk of pollution, and then leads to the failure of cultivation work or the inaccuracy of test result.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic cover-taking and drainage device for a culture medium, aiming at the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
automatic drainage device that covers of getting of culture medium includes:
a housing;
the drainage mechanism comprises a drainage component for draining the culture medium in the storage bottle to the culture container and a driving seat for driving the storage bottle and the drainage component to synchronously move;
the cover opening mechanism is arranged above the culture container, and one end of the cover opening mechanism is fixedly connected with the outer cover;
the control mechanism is used for controlling the working states of the drainage mechanism and the uncovering mechanism;
and the power supply mechanism is electrically connected with the drainage mechanism, the cover opening mechanism and the control mechanism respectively.
Preferably, the automatic culture medium drainage and injection device further comprises a base for placing the culture container, and a lifting mechanism for adjusting the placing height of the culture container is arranged on the base.
Preferably, the lifting mechanism comprises a platform for placing the culture container and a lifting component for driving the platform to lift;
the lifting component is at least one of a screw lifting component, a pneumatic lifting component, a hydraulic lifting component, a scissor lifting component, a chain wheel lifting component and a gear rack lifting component.
Preferably, the lifting mechanism further comprises a guide assembly for fixing the lifting direction of the platform, and the guide assembly and the lifting assembly are arranged in parallel.
Preferably, the control mechanism comprises a lifting control assembly, the lifting control assembly comprises a positioning sensor arranged on the guide assembly, and the positioning sensor is arranged at the highest point of the stroke of the platform; the lifting assembly is characterized by further comprising a first power part for driving the lifting assembly to move, and a first control part in communication connection with the positioning sensor and the first power part, wherein the first control part controls the working state of the first power part by acquiring a signal of the positioning sensor.
Preferably, the drainage subassembly include with the drainage tube that the storage bottle intercommunication set up to and be used for fixing the drainage body of drainage tube, the drainage tube with the drainage body can be dismantled and be connected, the one end of drainage tube extends to in the storage bottle, the other end passes through the drainage body is located culture vessel top.
Preferably, the uncovering mechanism comprises a driving shaft which stretches up and down, and a grabbing part used for grabbing the cover body of the culture container, and the grabbing part comprises at least two grabbing arms which are oppositely arranged.
Preferably, control mechanism includes annotating liquid control assembly, annotate liquid control assembly including the drive uncap mechanism snatchs the second power spare of lid, drive the third power spare that the drive seat removed or was rotatory, locate the drainage tube is located the drainage pump of storage bottle inner end, locate flowmeter on the drainage tube still includes the second control, the second control with the second power spare the third power spare the drainage pump flowmeter communication connection.
Preferably, the liquid injection control assembly further comprises a positioning device for aligning the drainage body with the culture container after the cover is opened for liquid injection, and the positioning device is in communication connection with the second control piece;
and the liquid injection control assembly controls the second power part to control the cover opening mechanism to open the cover body of the culture container, then controls the third power part to drive the driving seat to move, and controls the third power part to stop working by receiving a positioning signal of the positioning device.
Preferably, control mechanism still includes the temperature control subassembly, the temperature control subassembly including be used for right the heating member that culture medium carries out heat preservation in the storage bottle to and temperature sensitive resistor, the heating member with temperature sensitive resistor all locates on the drive seat.
The invention has the following beneficial effects: the drainage mechanism is matched with the cover opening mechanism for use, so that batch automatic streamlined production of the culture medium injected into the culture container is realized, the cover opening mechanism is utilized, the cover is automatically taken before the culture medium is injected, the cover is closed in time after the culture medium is injected, the culture medium in the culture container is prevented from being polluted, the manual work is reduced, and the test efficiency and the test accuracy can be considered. The invention can also reduce the requirement on clean conditions in a laboratory in the pouring process of the culture medium, and can be used for field detection.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view showing a structure of a culture vessel in the form of a culture flask according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a culture vessel as a petri dish in an embodiment of the invention;
FIG. 3 is a schematic top view of a lift mechanism in accordance with an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a lift mechanism in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of the arrangement of the culture container and the storage flask according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The automatic culture medium cover taking and draining device provided by the invention can be used for microorganism detection work, and particularly referring to fig. 1 and 2, the device is used for automatically opening the cover bodies 72 on the culture containers 71 in sequence and injecting the culture medium in the storage bottles 81 into the culture containers 71 which are opened. Specifically, the culture container opening and closing device can comprise a housing 10, a drainage mechanism 20, an opening mechanism 30, a control mechanism and a power supply mechanism, wherein under the control of the control mechanism, the opening mechanism 30 is used for automatically opening and closing a cover 72 on the culture container 71, and the drainage mechanism 20 is used for draining the culture medium in a storage bottle 81 into the culture container 71 which is opened.
Specifically, the housing 10 is used for housing and accommodating the drainage mechanism 20, the culture containers 71 and the storage bottle 81, and may be a hollow and sealed casing, and a plurality of culture containers 71 and a storage bottle 81 communicated with the drainage mechanism 20 may be disposed in the housing 10. Wherein, the culture container 71 can be a culture bottle or a culture dish, and when the culture container 71 is a culture bottle, the cover 72 for closing the culture bottle is a rubber plug; when the culture vessel 71 is a petri dish, the lid 72 for closing the petri dish is a flat plate dish lid. In some embodiments, the housing 10 is a separate design, which facilitates the experimenter to take the culture container 71 and replace the storage bottle 81 or supplement the storage bottle 81 with material.
Further, because culture container 71 can be blake bottle or culture dish, the difference in height between the two is great, for preventing when culture container 71 is the culture dish, the perpendicular distance of culture dish and drainage mechanism 20 is too big, and the easy emergence of splashing when the culture medium in the drainage mechanism 20 flows to the culture dish pollutes experimental environment, refer to fig. 3 and fig. 4, in some embodiments, automatic drainage priming device of culture medium still includes the base 40 that is used for placing culture container 71, is equipped with on this base 40 to be used for adjusting culture container 71 and places high elevating system 41. Specifically, the lifting mechanism 41 comprises a platform 411 for placing the culture container 71, and a lifting assembly 412 for driving the platform 411 to lift; further, the lifting assembly 412 may be at least one of a screw lifting assembly, a pneumatic lifting assembly, a hydraulic lifting assembly, a scissor lifting assembly, a sprocket lifting assembly, and a rack and pinion lifting assembly. In some embodiments, the lifting mechanism 41 further includes a guiding assembly 413 for fixing the lifting direction of the platform 411, the guiding assembly 413 is disposed parallel to the lifting assembly 412, and specifically includes a guide rail 4131 disposed parallel to the lifting assembly 412, and a slider 4132 disposed on the platform 411 and slidably connected to the guide rail 4131, and in some embodiments, the slider 4132 is integrally formed with the platform 411. The control mechanism comprises a lifting control assembly, the lifting control assembly comprises a positioning sensor 511 arranged on the guide assembly 413, and the positioning sensor 511 is arranged at the highest point of the stroke of the platform 411; the lifting device further comprises a first power member 512 for driving the lifting assembly 412 to move, and a first control member in communication connection with the positioning sensor 511 and the first power member 512, wherein the first control member controls the working state of the first power member 512 by acquiring a signal of the positioning sensor 511. In some embodiments, the position sensor 511 can be moved on the rail 4131 to change the maximum height of the platform 411 to accommodate different heights of flasks and dishes, as desired. With further reference to fig. 3 and 4, the structure of one embodiment of the lifting assembly 412 will be described in detail:
when the lifting assembly 412 is a screw lifting assembly, the lifting mechanism 41 includes a platform 411, a ball screw 4121, and a screw nut 4122, wherein the screw nut 4122 is abutted to the bottom surface of the platform 411 and is screwed with the ball screw 4121, the platform 411 is provided with an opening hole for accommodating the ball screw 4121, the ball screw 4121 penetrates through the platform 411 from bottom to top through the opening hole, and the first power component 512 is specifically a motor and is in transmission connection with the ball screw 4121, so that the screw nut 4122 moves up and down on the ball screw 4121 through the rotation of the ball screw 4121, and further drives the platform 411 to move up and down. Specifically, the number of the ball screws 4121 is at least 2, and the ball screws 4121 are uniformly distributed on the base 40 to keep the platform 411 balanced. Further, the guiding assembly 413 comprises a sliding block 4132 arranged on the platform 411 and a guide rail 4131 arranged in parallel with the ball screw 4121, the guide rail 4131 is fixed on the base 40 and used for guiding the movement of the platform 411, and the platform 411 is matched with the guide rail 4131 through the sliding block 4132 and the guide rail 4131 to move up and down along the guide rail 4131. Preferably, the ball screws 4121 and the guide rails 4131 are alternately arranged and uniformly distributed on the base 40, in some embodiments, the guide rails 4131 are provided with a positioning sensor 511 at the highest point of the stroke of the platform 411, the control mechanism is respectively in communication connection with the positioning sensor 511 and the first power member 512, and when the platform 411 reaches the height of the positioning sensor 511, the first control member controls the first power member 512 to stop working, so as to position the platform 411.
When the culture container 71 is a culture bottle, the lifting mechanism 41 is not required to be arranged, or the platform 411 is kept at the lowest position tightly attached to the base 40; when culture container 71 is the culture dish, drive the height of platform 411 lifting culture dish through lifting unit 412, shorten the perpendicular distance of drainage mechanism 20 and culture dish, produce when preventing the drainage injection and splash, pollute experimental environment.
In some embodiments, the drainage mechanism 20 includes a drainage assembly 21 for draining the culture medium in the storage bottle 81 to the culture containers 71, and a driving seat 22 for driving the storage bottle 81 and the drainage assembly 21 to move synchronously, wherein the storage bottle 81 is placed on the driving seat 22, in some embodiments, a plurality of culture containers 71 are arranged in a straight line, and the driving seat 22 drives the storage bottle 81 to move along the arrangement direction of the culture containers 71; in other embodiments, a plurality of culture containers 71 are arranged in a ring shape with the storage bottle 81 as the axis, referring to fig. 5, the driving seat 22 and the storage bottle 81 are disposed at the center of the ring shape, and the driving seat 22 drives the storage bottle 81 and the drainage assembly 21 to rotate, thereby realizing sequential feeding of a plurality of culture containers 71.
Further, the drainage assembly 21 includes a drainage tube 211 communicated with the storage bottle 81 and a drainage body 212 for fixing the drainage tube 211, the drainage tube 211 is detachably connected with the drainage body 212, wherein the drainage body 212 is a hard shell and is provided with a drainage port 2121, one end of the drainage tube 211 extends into the storage bottle 81, the other end of the drainage tube is communicated with the drainage port 2121, and a culture medium in the drainage tube 211 is injected into the culture container 71 after the cover is opened through the drainage port 2121. Specifically, the drainage port 2121 moves in accordance with the movement of the driving seat 22, and is vertically positioned above at least one culture vessel 71, so that the sequential feeding of a plurality of culture vessels 71 is realized by the movement of the drainage port 2121. Further, the drainage tube 211 can be a flexible hose, and can be detachably installed in the drainage body 212, so that the drainage tube 211 can be conveniently detached for disinfection.
In some embodiments, the lid opening mechanism 30 includes a manipulator which can move up and down and realize gripping, and may be a manipulator structure which is common in the prior art, and specifically, it may include a driving shaft 31 which extends and retracts up and down, and a gripping portion 32 for gripping the lid 72, where the gripping portion 32 includes at least two gripping arms which are arranged oppositely, so as to ensure the gripping quality thereof, and make the lid 72 not easily come off from the gripping portion 32, and of course, the gripping portion 32 may also be a combination of a plurality of gripping arms, so as to further improve the gripping quality thereof. Further, the lid opening mechanisms 30 are fixedly provided on the top surface of the inner wall of the housing 10, and may be provided in one-to-one correspondence with the lifting mechanisms 41, that is, each of the culture containers 71 placed on the lifting mechanisms 41 corresponds to one lid opening mechanism 30.
Further, the control mechanism further comprises a liquid injection control assembly for controlling automatic liquid injection work of the culture medium automatic cover taking and drainage device. Specifically, the liquid injection control assembly comprises a second power part for driving the cover opening mechanism 30 to grab the body, a third power part for driving the driving seat 22 to move or rotate, a drainage pump 521 arranged at one end of the drainage tube 211, which is positioned in the material storage bottle 81, and a flow meter 522 arranged on the drainage tube 211, and further comprises a second control part, wherein the second control part can preset liquid injection amount, and is in communication connection with the second power part, the third power part, the drainage pump 521 and the flow meter 522. In this embodiment, the second control element first controls the second power element to start working, the second power element drives one of the driving shafts 31 to move downward and fix the cover body 72 by the closing of the grabbing arm, then the driving shaft 31 moves upward to complete the cover-removing work of the culture container 71, and then the second control element controls the third power element to start working to drive the driving seat 22 to start moving or rotating, so as to move the drainage port 2121 to a position vertically above the culture container 71 which is opened, and prepare for liquid injection work; after the third power part moves in place, the third power part stops working, the second control part immediately controls the drainage pump 521 to start drainage and liquid injection, the real-time liquid injection amount is detected through the flow meter 522, and when the real-time liquid injection amount reaches the preset liquid injection amount, the second control part controls the drainage pump 521 to stop working to finish liquid injection. Meanwhile, the second control element starts to control the next cap opening mechanism 30 to start working, so that the cap taking of the next culture container 71 is completed, the third power element is controlled to move the drainage port 2121 to the position above the next uncapped culture container 71, and the cap opening mechanism 30 corresponding to the filled culture container 71 is controlled to work to complete the cap placing operation, so that the filling work of the next culture container 71 is performed.
In the present invention, the first power member 512, the second power member, and the third power member are all motors.
Further, the liquid injection control assembly further comprises a positioning device 523 for aligning the drainage body 212 and the uncapped culture container 71 for liquid injection, wherein the positioning device 523 is in communication connection with the second control part; specifically, the positioning device 523 comprises a signal emitting element 5231 and a signal receiving element 5232, one of the signal emitting element 5231 or the signal receiving element 5232 is disposed on the base 40, the other of the signal emitting element 5232 and the signal receiving element 5231 is disposed on the drain body 212, and the signal emitting element 5231 and the signal receiving element 5232 disposed on the drain body 212 can be vertically aligned with at least one of the signal receiving element 5232 or the signal emitting element 5231 disposed on the base 40; after receiving the signal of the signal emitting element 5231, the signal receiving element 5232 sends a positioning signal to the second control element, and the second control element controls the third power element to stop working and controls the drainage pump 521 to start drainage and injection. Specifically, the signal emitting element 5231 or the signal receiving element 5232 disposed on the base 40 can be disposed on the lifting platform 411. In some embodiments, the positioning device 523 may be an infrared positioner, a laser positioner, or other positioner known in the art.
In some embodiments, when the storage bottle 81 contains agar medium, because the agar medium is kept warm at 45 ℃ and is in an optimal drainage liquid injection state, the microorganisms to be cultured are not easily killed, and the agar medium is not solidified into a solid state due to too low temperature, in some embodiments, the control mechanism further comprises a temperature control component, the temperature control component comprises a heating element 53 for keeping warm for the agar medium in the storage bottle 81, and a temperature-sensitive resistor, wherein the heating element 53 and the temperature-sensitive resistor are both arranged on the driving seat 22, and are both electrically connected with the power supply mechanism. In some embodiments, the heating member 53 is preferably a heating wire provided on the top surface of the base 40. The experimenter can set different heat preservation temperatures to the temperature control assembly according to the difference of culture medium in the bottle, and when the temperature exceeded preset temperature value, thermistor resistance grow, and the heater strip stopped heating.
In some embodiments, in order to prevent the inside of the housing 10 from being contaminated by bacteria, it is preferable that a plurality of ultraviolet lamps 11 for sterilization are disposed on the inner wall of the housing 10, and the ultraviolet lamps 11 are electrically connected to the power supply mechanism for sterilizing the environment inside the housing 10 before starting the test to keep the inside of the instrument filled with liquid under clean conditions when the cleanliness of the outside environment is insufficient for carrying out the test.
The following are specific operation steps of the automatic culture medium drainage and injection device.
When the culture container 71 is a culture flask:
and S1, starting the device, turning on the ultraviolet lamp 11 to sterilize the environment in the outer cover 10, and turning off the ultraviolet lamp 11 after irradiating for a period of time to ensure the clean environment in the device.
S2, the test personnel opens the outer cover 10, sequentially places the culture bottles with the cover bodies 72 for the test on the base 40, places the storage bottles 81 on the driving seat 22, and buckles the outer cover 10 to finish the preparation work before liquid adding.
S3, after the preset drainage liquid injection amount and the heat preservation temperature are input, the liquid injection control assembly starts to work, the second control piece controls the second power piece in one of the cover opening mechanisms 30 to start to work, the driving shaft 31 moves downwards and fixes the rubber plug on the culture bottle through the folding of the grabbing arms, and then the second control piece controls the second power piece to drive the driving shaft 31 to move upwards to complete the separation of the rubber plug and the culture bottle.
S4, the second control element controls the signal emitting element 5231 corresponding to the culture bottle and the signal receiving element 5232 arranged on the drainage body 212 to start working, and simultaneously drives the third power element to drive the liquid storage bottle and the drainage mechanism 20 to move synchronously, and after the signal receiving element 5232 on the drainage body 212 receives a signal sent by the signal emitting element 5231 corresponding to the culture bottle, the second control element controls the third power element to stop working and controls the drainage pump 521 to start drainage and liquid injection.
S5, when the flow meter 522 detects that the drainage liquid injection amount reaches the preset drainage liquid injection amount, the control mechanism controls the drainage pump 521 to stop working, meanwhile, the next cover opening mechanism 30 starts working, and the rubber plug on the culture bottle to be subjected to drainage liquid injection next is taken down.
S6, the second control piece controls the signal emitting piece 5231 corresponding to the next uncapped culture bottle to start working, meanwhile, the second control piece drives the third power piece to drive the liquid storage bottle and the drainage mechanism 20 to move again, the drainage port 2121 is arranged above the next uncapped culture bottle through the positioning device 523, meanwhile, the previous uncapped culture bottle filled with drainage liquid stops working corresponding to the signal emitting piece 5231, the uncapping mechanism 30 corresponding to the uncapping mechanism starts working, the rubber plug is placed, then the driving piece retracts upwards again, and the cover closing work is completed.
S7, stopping working after the drainage and liquid injection of all culture bottles are completed, or stopping the drainage and liquid injection work of the automatic cover taking and drainage device of the culture medium by a tester through power failure.
When the culture container 7160 is a petri dish:
and S1, starting the device, turning on the ultraviolet lamp 11 to sterilize the environment in the outer cover 10, and turning off the ultraviolet lamp 11 after irradiating for a period of time to ensure the clean environment in the device.
S2, the tester opens the outer cover 10, sequentially places the culture dishes with the cover 72 for the test on the base 40, fixes the positioning sensor 511 at a proper position of the guide rail 4131, places the storage bottle 81 on the driving seat 22, and fastens the outer cover 10 to finish the preparation work before adding liquid.
S3, after the preset drainage liquid injection amount and the heat preservation temperature are input, the lifting control assembly starts to work, the lifting mechanism 41 is driven through the first power piece 512, the platform 411 with the culture dish is driven to lift, and when the lifting platform 411 reaches the height of the positioning sensor 511, the first control piece controls the first power piece 512 to stop working. The plurality of first power components 512 may start to operate synchronously, or may operate sequentially, which is not limited herein.
S4, the liquid injection control assembly starts to work, the second control piece controls the second power piece in one of the cover opening mechanisms 30 to start to work, the driving shaft 31 moves downwards and fixes the dish cover on the culture dish through folding of the grabbing arms, and then the second control piece controls the second power piece to drive the driving shaft 31 to move upwards to complete separation of the dish cover and the culture dish.
S5, the second control element controls the signal emitting element 5231 corresponding to the culture bottle and the signal receiving element 5232 arranged on the drainage body 212 to start working, and simultaneously drives the third power element to drive the liquid storage bottle and the drainage mechanism 20 to move synchronously, and after the signal receiving element 5232 on the drainage body 212 receives a signal sent by the signal emitting element 5231 corresponding to the culture bottle, the second control element controls the third power element to stop working and controls the drainage pump 521 to start drainage and liquid injection.
S6, when the flow meter 522 detects that the drainage liquid injection amount reaches the preset drainage liquid injection amount, the control mechanism controls the drainage pump 521 to stop working, and meanwhile, the next cover opening mechanism 30 starts working to separate the culture dish to be subjected to drainage liquid injection from the dish cover.
S7, the second control piece controls the signal emitting piece 5231 corresponding to the next uncapped culture dish to start working, meanwhile, the second control piece drives the third power piece to drive the liquid storage bottle and the drainage mechanism 20 to move, the drainage port 2121 is placed above the next uncapped culture dish through the positioning device 523, meanwhile, the previous culture dish which is drained and injected with liquid stops working corresponding to the signal emitting piece 5231, the corresponding uncapping mechanism 30 starts working, the placement of the dish cover is completed, then the driving piece retracts upwards again, and the cover closing work is completed.
S8, stopping working after the drainage and liquid injection of all culture dishes are completed, or stopping the drainage and liquid injection work of the automatic cover taking and drainage device of the culture medium by a tester through power failure.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an automatic drainage device that covers of getting of culture medium which characterized in that includes:
a housing (10);
the drainage mechanism (20) comprises a drainage assembly (21) for draining the culture medium in the storage bottle (81) to the culture container (71), and a driving seat (22) for driving the storage bottle (81) and the drainage assembly (21) to synchronously move;
the cover opening mechanism (30), the cover opening mechanism (30) is arranged above the culture container (71), and one end of the cover opening mechanism is fixedly connected with the outer cover (10);
the control mechanism is used for controlling the working states of the drainage mechanism (20) and the uncovering mechanism (30);
and the power supply mechanism is electrically connected with the drainage mechanism (20), the cover opening mechanism (30) and the control mechanism respectively.
2. The automatic culture medium cap removing and draining device according to claim 1, further comprising a base (40) for placing the culture container (71), wherein the base (40) is provided with a lifting mechanism (41) for adjusting the placing height of the culture container (71).
3. The automatic culture medium cover taking and draining device as claimed in claim 2, wherein the lifting mechanism (41) comprises a platform (411) for placing the culture container (71) and a lifting assembly (412) for driving the platform (411) to lift;
the lifting assembly (412) is at least one of a screw lifting assembly, a pneumatic lifting assembly, a hydraulic lifting assembly, a scissor lifting assembly, a chain wheel lifting assembly and a gear rack lifting assembly.
4. The automatic culture medium cover taking and draining device according to claim 3, wherein the lifting mechanism (41) further comprises a guide assembly (413) for fixing the lifting direction of the platform (411), and the guide assembly (413) is arranged in parallel with the lifting assembly (412).
5. The automatic culture medium cover taking and draining device according to claim 4, wherein the control mechanism comprises a lifting control assembly, the lifting control assembly comprises a positioning sensor (511) arranged on the guide assembly (413), and the positioning sensor (511) is arranged at the highest point of the stroke of the platform (411); the lifting device also comprises a first power member (512) used for driving the lifting assembly (412) to move, and a first control member which is in communication connection with the positioning sensor (511) and the first power member (512), wherein the first control member controls the working state of the first power member (512) by acquiring a signal of the positioning sensor (511).
6. The automatic culture medium cap taking and draining device according to claim 2, wherein the draining assembly (21) comprises a draining tube (211) communicated with the storage bottle (81) and a draining body (212) for fixing the draining tube (211), the draining tube (211) is detachably connected with the draining body (212), one end of the draining tube (211) extends into the storage bottle (81), and the other end of the draining tube (211) is arranged above the culture container (71) through the draining body (212).
7. The automatic culture medium cap taking and draining device according to claim 6, wherein the cap opening mechanism (30) comprises a driving shaft (31) which extends and retracts up and down, and a grabbing part (32) which is used for grabbing the cap body (72) of the culture container (71), and the grabbing part (32) comprises at least two grabbing arms which are oppositely arranged.
8. The automatic culture medium cap taking and draining device according to claim 7, wherein the control mechanism comprises a liquid injection control assembly, the liquid injection control assembly comprises a second power piece for driving the cap opening mechanism (30) to grab the cap body (72), a third power piece for driving the driving seat (22) to move or rotate, a drainage pump (521) arranged at one end of the drainage tube (211) in the storage bottle (81), and a flow meter (522) arranged on the drainage tube (211), and the automatic culture medium cap taking and draining device further comprises a second control piece, and the second control piece is in communication connection with the second power piece, the third power piece, the drainage pump (521) and the flow meter (522).
9. The automatic culture medium cover taking and draining device according to claim 8, wherein the liquid injection control assembly further comprises a positioning device (523) for aligning the draining body (212) with the culture container (71) after the cover is opened for liquid injection, and the positioning device (523) is in communication connection with the second control part;
the liquid injection control assembly controls the second power part to control a cover opening mechanism (30) to open the cover body (72) of the culture container (71), then controls a third power part to drive the driving seat (22) to move, and controls the third power part to stop working by receiving a positioning signal of the positioning device (523).
10. The automatic culture medium cover taking and draining device according to claim 9, wherein the control mechanism further comprises a temperature control assembly, the temperature control assembly comprises a heating element (53) for preserving the heat of the culture medium in the storage bottle (81), and a temperature-sensitive resistor, and the heating element (53) and the temperature-sensitive resistor are both arranged on the driving seat (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011477417.9A CN112680339A (en) | 2020-12-15 | 2020-12-15 | Automatic cover-taking drainage device for culture medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011477417.9A CN112680339A (en) | 2020-12-15 | 2020-12-15 | Automatic cover-taking drainage device for culture medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112680339A true CN112680339A (en) | 2021-04-20 |
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| CN202011477417.9A Pending CN112680339A (en) | 2020-12-15 | 2020-12-15 | Automatic cover-taking drainage device for culture medium |
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Application publication date: 20210420 |