CN214953333U - Herbicide bioassay device - Google Patents

Abstract

The utility model discloses a weedicide bioassay device relates to weedicide survey technical field, including apron, box and culture dish, the bottom equidistance of box inside is provided with the culture dish, the air outlet has been seted up to the bottom equidistance of box one side, and the intermediate position department of the inside one side upper end of box installs temperature sensor, humidity transducer is installed to the inside one side of box of temperature sensor top, and installs fixed case at the both ends of box opposite side upper end, the fan is installed to the inside one side of fixed case, and the fixed case internally mounted of fan one side has the heating pipe, and the top of box is provided with the apron, the equidistant vertical hollow tube that extends to the box inside that is provided with in apron top. The utility model discloses newly take out the culture dish and to its inside cleaning and disinfection through setting up C shape fixture block and falling L shape stopper, avoid traditional direct abluent not thorough, and then avoid remaining material to influence the testing result of follow-up weedicide.

Description

Herbicide bioassay device

Technical Field

The utility model relates to a weedicide survey technical field, specifically is a weedicide bioassay device.

Background

The herbicide is used as a substance for inhibiting or even eliminating weeds and placing objects in a large amount in agricultural production and various public places, and in order to ensure the weeding effect, the actual effect of the herbicide is required to be measured to achieve the most accurate weeding effect, but the existing herbicide bioassay device still has certain defects.

Through retrieval, Chinese patent No. CN207215793U, published in 2018, 04 and 10, discloses a herbicide bioassay device, wherein the publication proposes that' scale parts are arranged on two ends of a container cavity in the vertical direction, a cover plate is arranged at the top of the container cavity, and at least two vent holes are arranged on the cover plate; the side wall of the container cavity is provided with an illuminating part, the illuminating part forms an annular strip-shaped structure along the container cavity, and the illuminating part is connected with the side wall of the container cavity in an adhesion mode; at least 4 culture dishes are arranged in the container cavity, the practical novel operation is simple, the determination effect on the herbicide can be realized, but the culture dishes are not easy to take out and clean, the subsequent determination operation is influenced, and in view of the above problems, deep research is carried out, and the scheme is generated.

Practical new form of content

The object of the present invention is to provide a herbicide bioassay system which solves the problem of inconvenience in taking out and cleaning as mentioned in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a herbicide bioassay device comprises a cover plate, a box body and a culture dish, and further comprises a measuring structure for avoiding errors caused by direct observation, a charging structure for avoiding adding fussy materials and an installation structure for avoiding influence of residual substances on subsequent bioassay;

culture dishes are arranged at the bottom end of the interior of the box body at equal intervals, and the mounting structures are arranged at the bottom ends of the interior of the box body at the two ends of the culture dishes;

the bottom end of one side of the box body is provided with air outlets at equal intervals, a temperature sensor is arranged in the middle of the upper end of one side in the box body, a humidity sensor is arranged on one side in the box body above the temperature sensor, two ends of the upper end of the other side of the box body are provided with fixed boxes, one side in each fixed box is provided with a fan, a heating pipe is arranged in each fixed box on one side of the fan, a PLC (programmable logic controller) is arranged at the upper end of one side of the box body, a cover plate is arranged at the top end of the box body, hollow pipes extending into the box body are vertically arranged at equal intervals at the top end of the cover plate, and the measuring structure is arranged at the top end of the cover plate on one side of the hollow pipes;

the feeding structure is arranged at the top ends of the two sides of the hollow pipe.

Preferably, the mounting structure includes the spacing groove, the bottom at the box inside is seted up to the equidistant seting up of spacing groove, and the inside bottom of box on one side of the spacing groove articulates there is the C shape fixture block, the shifting block is installed to one side on C shape fixture block top, and the top of C shape fixture block one side installs movable magnet, fixed magnet is installed at the both ends of culture dish both sides bottom, and four corners of culture dish bottom install spacing groove matched with shape stopper of falling L.

Preferably, the measuring structure includes scale, fixed plate, restricted slot, restricted plate, slide bar, horizontal pole, mount and threaded rod, the fixed plate is installed on the apron top of hollow tube one side, and the upper end of fixed plate one side transversely rotates and is connected with the threaded rod, threaded rod one end runs through the fixed plate and installs the restricted plate through the bearing, and the restricted slot is seted up to the inside one side of restricted plate, the fixed plate is close to the apron top of hollow tube one side and installs the mount, and the horizontal pole is transversely installed on the top of the inside one side of mount, the surperficial sliding connection of horizontal pole has the slide bar, and the slide bar bottom welds with restricted plate bottom one side, the one end on hollow tube surface is provided with the scale.

Preferably, the shape of the defining groove is an arc, and the inner diameter of the cross section of the defining groove is equal to the outer diameter of the cross section of the hollow tube.

Preferably, reinforced structure includes charging box, piston plate, pull rod, charge door and swash plate, the top at the hollow tube both sides is installed to the charging box, and the upper end intercommunication of pipe and the inside one side of hollow tube is passed through to the inside bottom one side of charging box, the swash plate is installed to one side of the inside bottom of charging box, and the upper end of charging box one side has seted up the charge door, the inside sliding connection of charging box has the piston plate, and the vertical pull rod that extends to the charging box outside of installing in piston plate top.

Preferably, the inclination angle of the inclined plate and the horizontal direction is 10 degrees, and the inclined plate is symmetrically distributed about the vertical central axis of the hollow tube.

Preferably, the bottom end of the hollow pipe is provided with a baffle, and the baffle is in a circular truncated cone shape.

Compared with the related art, the utility model provides a herbicide bioassay device has following beneficial effect:

1. the utility model provides a C-shaped fixture block, spacing groove and the stopper of falling L shape, after the survey is accomplished, utilize stirring of shifting block, make C-shaped fixture block deflect, drive movable magnet and fixed magnet and separate completely, can upwards stimulate the culture dish afterwards, take out the culture dish and wash the disinfection to its inside, avoid traditional direct abluent not thorough, and then avoid remaining material to influence the measuring result of follow-up weedicide, guarantee to the accurate survey of weedicide growth inhibition rate, and during the installation, the stopper card of falling L shape is gone into inside the spacing groove, the fixture block of C shape deflects again, make movable magnet and fixed magnet laminate completely, and then fix the culture dish in the inside bottom of box, avoid it to receive the external force and unexpected the slip, guarantee going on smoothly of survey operation, thereby solved and inconveniently taken out abluent problem;

2. the utility model provides a measurement structure, utilize the rotation of threaded rod, the slip of rethread slide bar on the horizontal pole surface, make the limiting plate steadily move toward the fixed plate direction, and then make limiting groove and hollow tube alternate segregation, later stimulate the hollow tube, make the baffle slide down, until pasting young plant top, reverse rotation threaded rod this moment, move through the limiting groove to the hollow tube and carry out spacing fixed, later read out the scale that the scale shows through the limiting groove, and then calculate the growth height of young plant, avoid direct naked eye observation to bring great measuring error, and then the growth inhibition rate of accurate calculation herbicide, guarantee the measuring accuracy, thereby the problem of measuring not accurate enough has been solved;

3. the utility model provides a reinforced structure is newly provided, utilize the charge door respectively toward the inside nutrient solution that injects into of charging box, the swash plate of rethread slope, make the faster flow of nutrient solution inside to the hollow tube, down press the pull rod down simultaneously, make the piston plate gliding, change the inside pressure of charging box, further improve the injection rate of nutrient solution through the pressure boost, reduce its quantity of remaining in the hollow tube inside, on the same way, in follow-up survey process, the herbicide of different concentrations is added to the above-mentioned step of accessible, avoid needing to open the loaded down with trivial details of apron interpolation, the efficiency of survey is improved, thereby the problem of inconvenient interpolation has been solved.

Drawings

FIG. 1 is a schematic view of the novel structure of the present invention in elevation and section;

FIG. 2 is a schematic side elevation cross-sectional structure of the novel aspect of the present invention;

FIG. 3 is a schematic top sectional view of the cover plate according to the present invention;

FIG. 4 is a schematic view of a partial cross-sectional configuration at the upper end of the hollow tube of the present novel form;

fig. 5 is an enlarged schematic view of fig. 1 a according to the present invention.

In the figure: 1. a measurement structure; 101. a graduated scale; 102. a fixing plate; 103. defining a slot; 104. a limiting plate; 105. a slide bar; 106. a cross bar; 107. a fixed mount; 108. a threaded rod; 2. a feeding structure; 201. a feed box; 202. a piston plate; 203. a pull rod; 204. a feed inlet; 205. a sloping plate; 3. a hollow tube; 4. a cover plate; 5. a box body; 6. a fixed box; 7. a fan; 8. heating a tube; 9. a culture dish; 10. an air outlet; 11. a baffle plate; 12. a PLC controller; 13. a temperature sensor; 14. a humidity sensor; 15. shifting blocks; 16. a C-shaped clamping block; 17. a limiting groove; 18. an inverted L-shaped limiting block; 19. a movable magnet; 20. and fixing the magnet.

Detailed Description

The technical solutions in the new embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the new embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Example 1: referring to fig. 1-5, a herbicide bioassay device comprises a cover plate 4, a box body 5 and a culture dish 9, and further comprises a measuring structure 1 for avoiding errors caused by direct observation, a charging structure 2 for avoiding adding fussy materials and an installation structure for avoiding influence of residual substances on subsequent bioassays;

culture dishes 9 are arranged at the bottom end inside the box body 5 at equal intervals, and the mounting structures are arranged at the bottom ends inside the box body 5 at the two ends of the culture dishes 9;

the bottom end of one side of the box body 5 is provided with air outlets 10 at equal intervals, a temperature sensor 13 is arranged at the middle position of the upper end of one side in the box body 5, the shape number of the temperature sensor 13 is TS200, a humidity sensor 14 is arranged at one side in the box body 5 above the temperature sensor 13, the shape number of the humidity sensor 14 is C15-M53R, two ends of the upper end of the other side of the box body 5 are provided with fixed boxes 6, one side in the fixed box 6 is provided with a fan 7, the shape number of the fan 7 is HSTF001, a heating pipe 8 is arranged in the fixed box 6 at one side of the fan 7, the shape number of the heating pipe 8 is MTL2016, the upper end of one side of the box body 5 is provided with a PLC controller 12, the shape number of the PLC controller 12 is FX3SA-10MT-CM, the top end of the box body 5 is provided with a cover plate 4, hollow pipes 3 extending to the inside the box body 5 are vertically arranged at equal intervals on the top end of the cover plate 4, the measuring structure 1 is arranged at the top end of a cover plate 4 at one side of the hollow pipe 3;

the feeding structure 2 is arranged at the top ends of two sides of the hollow pipe 3;

referring to fig. 1-5, a herbicide bioassay device further comprises a mounting structure, the mounting structure comprises limiting grooves 17, the limiting grooves 17 are equidistantly arranged at the bottom end inside the box body 5, the bottom end inside the box body 5 at one side of the limiting grooves 17 is hinged with a C-shaped fixture block 16, one side of the top end of the C-shaped fixture block 16 is provided with a shifting block 15, the top end at one side of the C-shaped fixture block 16 is provided with a movable magnet 19, two ends of the bottom ends at two sides of the culture dish 9 are provided with fixed magnets 20, and four corners at the bottom end of the culture dish 9 are provided with inverted L-shaped limiting blocks 18 matched with the limiting grooves 17;

the bottom end of the hollow pipe 3 is provided with a baffle 11, and the baffle 11 is in a round table shape;

specifically, as shown in fig. 1, fig. 2 and fig. 5, after the determination is completed, by pulling the shifting block 15, the C-shaped fixture block 16 deflects to drive the movable magnet 19 and the fixed magnet 20 to be completely separated, and then the culture dish 9 can be pulled upwards to take out the culture dish 9 and clean and disinfect the interior of the culture dish 9, so that the inverted L-shaped fixture block 18 is clamped into the inside of the limiting groove 17 when the determination result of the subsequent herbicide is prevented from being affected by the residual substances and the culture dish is installed, and the C-shaped fixture block 16 is deflected to completely attach the movable magnet 19 and the fixed magnet 20, so that the culture dish 9 is fixed at the bottom end inside the box body 5, and the culture dish 9 is prevented from accidentally sliding due to external force, and the truncated cone-shaped baffle 11 can prevent the nutrient solution or the herbicide from being accidentally sprayed outside the culture dish 9 when being added.

Example 2: the measuring structure 1 comprises a graduated scale 101, a fixing plate 102, a limiting groove 103, a limiting plate 104, a sliding rod 105, a cross rod 106, a fixing frame 107 and a threaded rod 108, wherein the fixing plate 102 is installed at the top end of a cover plate 4 on one side of a hollow tube 3, the upper end of one side of the fixing plate 102 is transversely and rotatably connected with the threaded rod 108, one end of the threaded rod 108 penetrates through the fixing plate 102 and is provided with the limiting plate 104 through a bearing, one side inside the limiting plate 104 is provided with the limiting groove 103, the fixing frame 107 is installed at the top end of the cover plate 4 on one side of the hollow tube 3 close to the fixing plate 102, the top end of one side inside the fixing frame 107 is transversely provided with the cross rod 106, the surface of the cross rod 106 is slidably connected with the sliding rod 105, the bottom end of the sliding rod 105 is welded with one side of the bottom end of the limiting plate 104, and one end of the surface of the hollow tube 3 is provided with the graduated scale 101;

the shape of the limiting groove 103 is arc-shaped, and the inner diameter of the cross section of the limiting groove 103 is equal to the outer diameter of the cross section of the hollow tube 3;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, through rotating threaded rod 108, rethread slide bar 105 is at the slip on horizontal pole 106 surface, make limiting plate 104 steadily move toward fixed plate 102 direction, and then make limiting groove 103 and hollow tube 3 alternate segregation, later pulling hollow tube 3, make baffle 11 slide down, until hugging closely the young plant top, at this moment reverse rotation threaded rod 108, move through limiting groove 103 to hollow tube 3 and carry out spacing fixed, later read out the scale that scale 101 shows through limiting groove 103, and then calculate the growth height of young plant, avoid direct visual observation to bring great determination error, guarantee the measurement accuracy.

Example 3: the feeding structure 2 comprises a feeding box 201, a piston plate 202, a pull rod 203, a feeding port 204 and an inclined plate 205, wherein the feeding box 201 is installed at the top ends of two sides of the hollow tube 3, one side of the bottom end inside the feeding box 201 is communicated with the upper end of one side inside the hollow tube 3 through a guide pipe, the inclined plate 205 is installed at one side of the bottom end inside the feeding box 201, the feeding port 204 is formed in the upper end of one side of the feeding box 201, the piston plate 202 is connected to the inside of the feeding box 201 in a sliding mode, and the pull rod 203 extending to the outside of the feeding box 201 is vertically installed at the top end of the piston plate 202;

the inclination angle of the inclined plate 205 to the horizontal direction is 10 °, and the inclined plate 205 is symmetrically distributed about the vertical central axis of the hollow tube 3;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, nutrient solution is respectively injected into the interior of the charging box 201 through the charging opening 204, and then the inclined plate 205 is inclined, so that the nutrient solution flows into the interior of the hollow tube 3 more quickly, and the pull rod 203 is pressed downwards at the same time, so that the piston plate 202 slides downwards, the pressure inside the charging box 201 is changed, the injection rate of the nutrient solution is further improved through pressurization, and similarly, in the subsequent measurement process, herbicides with different concentrations can be added through the steps, the trouble that the cover plate 4 needs to be opened for addition is avoided, and the measurement efficiency is improved.

The output end of the PLC 12 is electrically connected with the input ends of the fan 7 and the heating pipe 8 through wires, and the output end of the PLC 12 is electrically connected with the input ends of the temperature sensor 13 and the humidity sensor 14.

The working principle is as follows: when the device is used, firstly, plant seeds or seedlings are placed in a culture dish 9, corresponding nutrient solution is added, then a cover plate 4 is covered, the temperature and humidity in a box body 5 are detected in real time through a temperature sensor 13 and a humidity sensor 14, when the temperature and humidity are lower than or higher than the preset value of the temperature and humidity, signals are transmitted to a PLC (programmable logic controller) 12, the PLC 12 controls a fan 7 or a heating pipe 8 to work, hot air or cold air is blown into the box body 5, so that the temperature and the humidity in the box body 5 are kept in a relatively proper state, the growth rate of the plant seeds or seedlings is improved, and after the plant seedlings grow for a period of time, the plant seedlings with lower growth height and higher growth height are taken out, so that the measured plant seedlings are approximately consistent;

the first innovation point implementation step:

the first step is as follows: in the whole process of measuring the young plants, the pull rod 203 can be pulled to drive the piston plate 202 to slide to the top end inside the feeding box 201;

the second step is that: then, nutrient solution is respectively injected into the feed box 201 through the feed port 204, and the nutrient solution flows into the hollow tube 3 more quickly by utilizing the inclined plate 205;

the third step: meanwhile, the pull rod 203 is pressed downwards, so that the piston plate 202 slides downwards, the pressure inside the feeding box 201 is changed, the injection rate of the nutrient solution is further improved through pressurization, the trouble that the cover plate 4 needs to be opened to add is avoided, and similarly, in the subsequent determination process, the herbicides with different concentrations can be added through the steps.

After the herbicide is added, cultivating for a period of time, and observing the growth condition of each young plant;

the implementation step of the second innovation point:

the first step is as follows: by rotating the threaded rod 108, the limiting plate 104 is smoothly moved towards the fixing plate 102 by the sliding of the sliding rod 105 on the surface of the cross rod 106, and the limiting groove 103 and the hollow tube 3 are separated from each other;

the second step is that: then pulling the hollow tube 3 to enable the baffle plate 11 to slide downwards until the baffle plate is tightly attached to the top end of the young plant, and then reversely rotating the threaded rod 108 to enable the limiting plate 104 to move towards the hollow tube 3, so that the hollow tube 3 is limited and fixed through the limiting groove 103;

the third step: then, the scale displayed on the scale 101 is read out through the limiting groove 103, the growth height of the young plant is calculated, and the growth inhibition rate of the herbicide is calculated.

The third innovation point implementation step:

the first step is as follows: after the measurement is finished, the cover plate 4 is opened, the shifting block 15 is shifted, the C-shaped clamping block 16 deflects to drive the movable magnet 19 and the fixed magnet 20 to be completely separated, and then the bottom end of the C-shaped clamping block 16 is separated from the top end of one side of the inverted L-shaped limiting block 18;

the second step is that: then the culture dish 9 can be pulled upwards, the culture dish 9 is taken out, and the interior of the culture dish is cleaned and disinfected, so that the influence of residual substances on the measurement result of the subsequent herbicide is avoided;

the third step: and during installation, the inverted L-shaped limiting block 18 is clamped into the limiting groove 17, and the C-shaped clamping block 16 is deflected, so that the movable magnet 19 and the fixed magnet 20 are completely attached, the culture dish 9 is fixed at the bottom end inside the box body 5, and accidental sliding caused by external force is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

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

Claims (7)

1. A herbicide bioassay device comprises a cover plate (4), a box body (5) and a culture dish (9), and is characterized in that: the device also comprises a measuring structure (1) for avoiding errors caused by direct observation, a charging structure (2) for avoiding adding fussy materials and a mounting structure for avoiding influence of residual substances on subsequent biological measurement;

culture dishes (9) are arranged at the bottom end inside the box body (5) at equal intervals, and the mounting structures are arranged at the bottom ends inside the box body (5) at the two ends of the culture dishes (9);

the bottom end of one side of the box body (5) is provided with air outlets (10) at equal intervals, a temperature sensor (13) is arranged at the middle position of the upper end of one side in the box body (5), a humidity sensor (14) is arranged on one side inside the box body (5) above the temperature sensor (13), and two ends of the upper end of the other side of the box body (5) are provided with fixed boxes (6), one side of the inside of each fixed box (6) is provided with a fan (7), and a heating pipe (8) is arranged in the fixed box (6) at one side of the fan (7), a PLC (programmable logic controller) (12) is arranged at the upper end of one side of the box body (5), a cover plate (4) is arranged at the top end of the box body (5), hollow pipes (3) extending into the box body (5) are vertically arranged at equal intervals at the top end of the cover plate (4), the measuring structure (1) is arranged at the top end of the cover plate (4) at one side of the hollow pipe (3);

the feeding structure (2) is arranged at the top ends of two sides of the hollow pipe (3).

2. A herbicide bioassay system as set forth in claim 1, wherein: mounting structure includes spacing groove (17), equidistant the offering in box (5) inside bottom of spacing groove (17), and box (5) inside bottom of spacing groove (17) one side articulates there is C shape fixture block (16), shifting block (15) are installed to one side on C shape fixture block (16) top, and the top of C shape fixture block (16) one side installs movable magnet (19), fixed magnet (20) are installed at the both ends of culture dish (9) both sides bottom, and four corners in culture dish (9) bottom install spacing groove (17) matched with shape stopper (18) of falling L.

3. A herbicide bioassay system as set forth in claim 1, wherein: the measuring structure (1) comprises a graduated scale (101), a fixing plate (102), a limiting groove (103), a limiting plate (104), a sliding rod (105), a cross rod (106), a fixing frame (107) and a threaded rod (108), wherein the fixing plate (102) is installed at the top end of a cover plate (4) on one side of a hollow tube (3), the threaded rod (108) is transversely connected to the upper end of one side of the fixing plate (102) in a rotating mode, one end of the threaded rod (108) penetrates through the fixing plate (102) and is provided with the limiting plate (104) through a bearing, the limiting groove (103) is formed in one side of the inside of the limiting plate (104), the fixing frame (107) is installed at the top end of the cover plate (4) on one side close to the hollow tube (3) of the fixing plate (102), the cross rod (106) is transversely installed at the top end of one side of the inside of the fixing frame (107), and the surface of the cross rod (106) is slidably connected with the sliding rod (105), the bottom end of the sliding rod (105) is welded with one side of the bottom end of the limiting plate (104), and one end of the surface of the hollow tube (3) is provided with a graduated scale (101).

4. A herbicide bioassay system as set forth in claim 3, wherein: the shape of the limiting groove (103) is arc-shaped, and the inner diameter of the cross section of the limiting groove (103) is equal to the outer diameter of the cross section of the hollow pipe (3).

5. A herbicide bioassay system as set forth in claim 1, wherein: reinforced structure (2) are including charging box (201), piston board (202), pull rod (203), charge door (204) and swash plate (205), the top in hollow tube (3) both sides is installed to charging box (201), and the upper end intercommunication of pipe and the inside one side of hollow tube (3) is passed through to charging box (201) inside bottom one side, swash plate (205) are installed to one side of the inside bottom of charging box (201), and charging door (204) have been seted up to the upper end of charging box (201) one side, the inside sliding connection of charging box (201) has piston board (202), and piston board (202) top is vertical installs pull rod (203) that extends to charging box (201) outside.

6. A herbicide bioassay system as set forth in claim 5, wherein: the inclination angle of the inclined plate (205) and the horizontal direction is 10 degrees, and the inclined plate (205) is symmetrically distributed around the vertical central axis of the hollow pipe (3).

7. A herbicide bioassay system as set forth in claim 1, wherein: the bottom end of the hollow pipe (3) is provided with a baffle (11), and the baffle (11) is in a round table shape.

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