CN219835110U

CN219835110U - Low-temperature biological container based on photoelectric sensor

Info

Publication number: CN219835110U
Application number: CN202320023083.0U
Authority: CN
Inventors: 王格; 石新宇; 郭华
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-10-17
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to a low-temperature biological container based on a photoelectric sensor, which comprises a container box, wherein an L-shaped frame and a liquid nitrogen conveying pipe are fixedly arranged on the left side wall of the container box, and a control valve is arranged on the outer side of the liquid nitrogen conveying pipe. This low temperature biocontainer based on photoelectric sensor, when needs get the thing, the staff controls first motor through external control equipment, make the gear rotate, promote sealing door displacement under the meshing, make container case upper end open, then can automize through automatic lifting piece and control the rack and move to container case top, conveniently get the thing, get the thing after accomplishing, remove the rack to the container incasement through automaticly, photoelectric sensor device monitors the place ahead and does not have the shelter from the thing afterwards, drive first motor with sealing door self-closing locking this moment, and open the control valve, automatic charge liquid nitrogen, charge the volume through liquid level sensor control liquid nitrogen, make the quilt that microorganism sample can be better stored.

Description

Low-temperature biological container based on photoelectric sensor

Technical Field

The utility model relates to the technical field of low-temperature biological containers, in particular to a low-temperature biological container based on a photoelectric sensor.

Background

The low-temperature biological container is a device for storing precious samples such as biological cells and the like at the temperature of liquid nitrogen, and the top of the low-temperature biological container is usually provided with a heat preservation cover for isolating heat of the environment, so that the heat preservation cover is required to be opened in use and the samples are put in or taken out, and then the low-temperature biological container is required to be closed in time, otherwise, the liquid nitrogen in the container can be rapidly evaporated, and the biological sample is invalid due to the temperature rise.

The main current method for detecting the cover opening of the existing low-temperature biological container is to adopt a contact travel switch or a reed switch sensor, the two modes all require that the position of the heat preservation cover cannot deviate when the heat preservation cover is taken out and put back, the heat preservation cover needs to be in direct contact with the sensor, otherwise, the cover cannot be detected to be closed, false alarm and misoperation are easy to cause, and the device is troublesome when taking and putting things, and is inconvenient to use, so that the low-temperature biological container based on the photoelectric sensor is provided to solve the problems.

Disclosure of Invention

(one) solving the technical problems

In order to solve the problems in the background, the utility model provides a low-temperature biological container based on a photoelectric sensor.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-temperature biological container based on the photoelectric sensor comprises a container box, wherein an L-shaped frame and a liquid nitrogen conveying pipe are fixedly arranged on the left side wall of the container box, a control valve is arranged on the outer side of the liquid nitrogen conveying pipe, a photoelectric sensing device is fixedly arranged on the L-shaped frame, a placing frame is arranged in an inner cavity of the container box, an automatic lifting piece is arranged at the bottom of the placing frame, an automatic door plate locking piece is arranged at the top of the placing frame, and a liquid level sensor is arranged on the left side wall of the inner cavity of the container box;

the automatic door plate locking piece comprises a sealing door movably arranged at the upper end of the placing rack, a rack is arranged at the top of the sealing door, a first motor is fixedly arranged on the right side wall of the container box, a gear meshed with the rack is arranged at the output end of the first motor, an L-shaped plate is arranged at the right end of the sealing door, and a telescopic rod is arranged between the inner side of the L-shaped plate and the container box.

Preferably, an opening is formed in the left side wall of the container box at the photoelectric sensing device, and a sealing strip is arranged at the left end of the sealing door.

Preferably, sliding blocks are arranged on the front side and the rear side of the sealing door, and sliding grooves matched with the sliding blocks are formed in the front side wall and the rear side wall of the inner cavity of the container box.

Preferably, the automatic lifting piece comprises a second motor arranged on the right side of the container box, a bidirectional screw rod is arranged at the output end of the second motor, two groups of displacement blocks are arranged on the outer side threads of the bidirectional screw rod, and a lifting frame is arranged between the displacement blocks and the bottom of the placing frame.

Preferably, the upper side and the lower side of the lifting frame are respectively movably connected with the displacement block and the bottom of the placement frame through rotating shafts, and a limiting sliding piece is arranged on the right side of the placement frame.

Preferably, a fixing rod is arranged on the right side wall of the inner cavity of the container box, and a sleeve member which is in sliding connection with the fixing rod is fixedly arranged on the right side of the placing frame.

(III) beneficial effects

Compared with the prior art, the utility model provides a low-temperature biological container based on a photoelectric sensor, which has the following beneficial effects:

this low temperature biocontainer based on photoelectric sensor, when needs get the thing, the staff controls first motor through external control equipment, make the gear rotate, promote sealing door displacement under the meshing, make container case upper end open, then can automize through automatic lifting piece and control the rack and move to container case top, conveniently get the thing, get the thing after accomplishing, remove the rack to the container incasement through automaticly, photoelectric sensor device monitors the place ahead and does not have the shelter from the thing afterwards, drive first motor with sealing door self-closing locking this moment, and open the control valve, automatic charge liquid nitrogen, charge the volume through liquid level sensor control liquid nitrogen, make the quilt that microorganism sample can be better stored.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is an enlarged view of B of FIG. 1 in accordance with the present utility model;

fig. 4 is a top view of the seal door of fig. 1 in accordance with the present utility model.

In the figure: 1 liquid level sensor, 2 pivots, 3 lifting frames, 4 bidirectional screw rods, 5 displacement blocks, 6 second motors, 7 external members, 8 fixed rods, 9 placing frames, 10 container boxes, 11 sealing doors, 12 telescopic rods, 13L-shaped plates, 14 first motors, 15 gears, 16L-shaped frames, 17 photoelectric sensing devices, 18 control valves, 19 liquid nitrogen conveying pipes, 20 sealing strips, 21 sliding blocks and 22 racks.

Detailed Description

The following description of the preferred embodiments of the present utility model is provided in connection with the accompanying drawings, and it is to be understood that the utility model is not limited thereto.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the technical features indicated, whereby the features defining "first", "second" may explicitly or implicitly include one or more of such features, and in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and for example, may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, and may be in communication with the inside of two elements, and the specific meaning of the terms in the present utility model may be understood as specific to one of ordinary skill in the art.

Referring to fig. 1-4, in the embodiment of the utility model, a low-temperature biological container based on a photoelectric sensor comprises a container box 10, wherein an L-shaped frame 16 and a liquid nitrogen conveying pipe 19 are fixedly arranged on the left side wall of the container box 10, a control valve 18 is arranged on the outer side of the liquid nitrogen conveying pipe 19, liquid nitrogen can be supplemented by the liquid nitrogen conveying pipe 19 through opening the control valve 18, so that the storage environment in the container box 10 is better, a photoelectric sensing device 17 is fixedly arranged on the L-shaped frame 16, the photoelectric sensor 17 can timely detect a front shielding object, when the placement frame 9 moves to the inner side of the container box 10, the sealing door 11 can be rapidly controlled to be locked, the upper end of the container box 10 is closed, the inner cavity of the container box 10 is provided with a placement frame 9, the bottom of the placement frame 9 is provided with an automatic lifting member, lifting displacement of the placement frame 9 can be automatically realized through the automatic lifting member, a worker can conveniently take a placement sample, the top of the placement frame 9 is provided with an automatic door plate locking member, automatic door plate locking member is used for realizing opening and closing of the sealing door 11, when the container box 10 is sealed, the liquid level sensor 10 is opened and the liquid level sensor is arranged at the upper end of the container 1, and the liquid level sensor is used for adjusting the liquid nitrogen sensor to be adjusted to the inner cavity 1;

the automatic door plate locking piece comprises a sealing door 11 movably arranged at the upper end of a placing rack 9, a rack 22 is arranged at the top of the sealing door 11, a first motor 14 is fixedly arranged on the right side wall of a container box 10, a gear 15 meshed with the rack 22 is arranged at the output end of the first motor 14, an L-shaped plate 13 is arranged at the right end of the sealing door 11, a telescopic rod 12 is arranged between the inner side of the L-shaped plate 13 and the container box 10, the gear 15 is enabled to rotate by starting the first motor 14, a rack 22 is pushed to slide left and right under the meshing action, the sealing door 11 can be controlled to move left and right, the L-shaped plate 13 is pushed to squeeze the telescopic rod 12 in the moving process, so that the telescopic rod 12 can stably move, and the upper end of the container box 10 can be automatically opened and closed.

Further, an opening is formed in the left side wall of the container box 10 at the position of the photoelectric sensing device 17, so that the photoelectric sensor 17 can detect whether a shielding object exists in front through the opening, the sealing door 11 is closed timely, the sealing strip 20 is arranged at the left end of the sealing door 11, and the sealing performance of the sealing door 11 can be enhanced under the compression action of the sealing strip 20.

Further, sliding blocks 21 are respectively arranged on the front side and the rear side of the sealing door 11, sliding grooves matched with the sliding blocks 21 are respectively processed on the front side wall and the rear side wall of the inner cavity of the container box 10, and the sliding blocks 21 on the two sides of the sealing door 11 move in the sliding grooves under the displacement of the sealing door 11, so that the displacement stability of the sealing door is enhanced.

Further, the automatic lifting piece comprises a second motor 6 arranged on the right side of the container box 10, a bidirectional screw rod 4 is arranged at the output end of the second motor 6, two groups of displacement blocks 5 are arranged on the outer side threads of the bidirectional screw rod 4, a lifting frame 3 is arranged between the displacement blocks 5 and the bottom of the placing frame 9, the bidirectional screw rod 4 is enabled to rotate by driving the second motor 6, the displacement blocks 5 on the two sides of the bidirectional screw rod are driven to relatively slide under the action of thread force, and the lifting frame 3 is driven to lift and move, so that the placing frame 9 is adjusted to move up and down, and sample taking and placing are facilitated.

Further, the upper side and the lower side of the lifting frame 3 are respectively movably connected with the bottom of the displacement block 5 and the bottom of the placement frame 9 through the rotating shaft 2, and a limiting sliding piece is arranged on the right side of the placement frame 9, so that the lifting of the lifting frame 3 can stably push the placement frame 9 to move up and down.

Further, the right side wall of the inner cavity of the container box 10 is provided with a fixing rod 8, the right side of the placing frame 9 is fixedly provided with a sleeve 7 which is in sliding connection with the fixing rod 8, and the sleeve 7 on the side surface of the placing frame 9 always slides outside the fixing rod 8 under the movement of the placing frame 9, so that the displacement stability of the placing frame 9 can be enhanced.

To sum up, when the object is needed to be taken out, the worker controls the first motor 14 through the external control device, so that the gear 15 rotates, the rack 22 is pushed to slide left and right under the meshing effect, the sealing door 11 can be controlled to move left and right, the L-shaped plate 13 is pushed to squeeze the telescopic rod 12 in the moving process, the telescopic rod 12 is enabled to move stably, the opening and closing of the upper end of the container box 10 are automatically realized, after the telescopic rod is opened, the second motor 6 is driven, the bidirectional screw rod 4 is enabled to rotate, the displacement blocks 5 on the two sides of the bidirectional screw rod are enabled to slide relatively under the action of the screw force, the lifting frame 3 is driven to lift and move, and therefore, the rack 9 is adjusted to move up and down, the object is convenient to take out and place, when the rack 9 moves into the container box 10, the photoelectric sensor 17 can timely detect that the front is not blocked, the sealing door 11 can be controlled to lock fast, the upper end of the container box 10 is closed, liquid nitrogen can be supplemented by the liquid nitrogen conveying pipe 19, the storage environment inside the container box 10 is enabled to be better, and the device is more convenient and applicable.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cryogenic biological container based on a photoelectric sensor, comprising a container box (10), characterized in that: an L-shaped frame (16) and a liquid nitrogen conveying pipe (19) are fixedly arranged on the left side wall of the container box (10), a control valve (18) is arranged on the outer side of the liquid nitrogen conveying pipe (19), a photoelectric sensing device (17) is fixedly arranged on the L-shaped frame (16), a placing frame (9) is arranged in an inner cavity of the container box (10), an automatic lifting piece is arranged at the bottom of the placing frame (9), an automatic door plate locking piece is arranged at the top of the placing frame (9), and a liquid level sensor (1) is arranged on the left side wall of the inner cavity of the container box (10);

automatic door plant retaining member is including the activity setting in sealing door (11) of rack (9) upper end, the top of sealing door (11) is provided with rack (22), the fixed first motor (14) that is provided with of right side wall of container box (10), the output of first motor (14) is provided with gear (15) with rack (22) engaged with, the right-hand member of sealing door (11) is provided with L template (13), be provided with telescopic link (12) between the inboard of L template (13) and container box (10).

2. A photosensor-based cryogenic biocontainer according to claim 1, wherein: the left side wall of the container box (10) is provided with an opening at the photoelectric sensing device (17), and the left end of the sealing door (11) is provided with a sealing strip (20).

3. A photosensor-based cryogenic biocontainer according to claim 2, wherein: sliding blocks (21) are arranged on the front side and the rear side of the sealing door (11), and sliding grooves matched with the sliding blocks (21) are formed in the front side wall and the rear side wall of the inner cavity of the container box (10).

4. A photosensor-based cryogenic biocontainer according to claim 1, wherein: the automatic lifting piece comprises a second motor (6) arranged on the right side of the container box (10), a bidirectional screw rod (4) is arranged at the output end of the second motor (6), two groups of displacement blocks (5) are arranged on the outer side threads of the bidirectional screw rod (4), and a lifting frame (3) is arranged between the displacement blocks (5) and the bottom of the placement frame (9).

5. A photosensor-based cryogenic biocontainer according to claim 4, wherein: the upper side and the lower side of the lifting frame (3) are respectively movably connected with the bottom of the displacement block (5) and the bottom of the placement frame (9) through the rotating shaft (2), and a limiting sliding piece is arranged on the right side of the placement frame (9).

6. A photosensor-based cryogenic biocontainer according to claim 5, wherein: the right side wall of the inner cavity of the container box (10) is provided with a fixing rod (8), and the right side of the placing rack (9) is fixedly provided with a sleeve member (7) which is in sliding connection with the fixing rod (8).