CN213749621U

CN213749621U - A multistation detection device for chlorophyll a

Info

Publication number: CN213749621U
Application number: CN202022629803.7U
Authority: CN
Inventors: 刘丽贞; 黄琪; 吴永明; 游海林; 姚忠; 朱林
Original assignee: Jiangxi Academy Of Sciences
Current assignee: Jiangxi Academy Of Sciences
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-20
Anticipated expiration: 2030-11-13

Abstract

The utility model provides a multistation detection device for chlorophyll a, include: the device comprises a water bath kettle, a containing mechanism, a filter screen frame, a liquid supply mechanism, a detection mechanism and a discharge mechanism, wherein the filter screen frame is placed inside the containing mechanism, the containing mechanism is placed inside the water bath kettle, the liquid supply mechanism is used for adding a hydrochloric acid solution into a colorimetric container, the detection mechanism is used for detecting the content of chlorophyll a in the solution in the colorimetric container, and the discharge mechanism is used for discharging the solution in the containing mechanism; the detection mechanism is communicated with the containing mechanism through a second pipeline, the containing mechanism is provided with a plurality of containing mechanisms, and the plurality of containing mechanisms are uniformly distributed along the circumference. The utility model has the function of automatic detection, simple operation and labor saving; possess a plurality of stations, can carry out many times at every turn and detect, the operating efficiency does, improves the accuracy of detected data.

Description

A multistation detection device for chlorophyll a

Technical Field

The utility model relates to a water chlorophyll a detects technical field, especially relates to a multistation detection device for chlorophyll a.

Background

Chlorophyll is a green pigment contained in higher plants and other organisms capable of photosynthesis. Chlorophyll is various, such as chlorophyll a, b, c and d, and bacteriochlorophyll and chlorophyllin, etc., and food-related chlorophyll is mainly composed of chlorophyll a and b in higher plants. Chlorophyll a is present in all phytoplankton and is an important indicator for estimating phytoplankton biomass. At present, a spectrophotometry method is commonly adopted in a method for measuring the chlorophyll a of a water body in a laboratory, but a toxic reagent acetone is applied in the spectrophotometry method. In addition, an ethanol method is frequently used in the test, and the ethanol method has the advantages of simple and convenient operation, rapidness, low toxicity and high extraction efficiency.

Firstly, in the prior chlorophyll a measuring process, the whole process adopts manual operation, does not have the function of automatic detection, and has complex operation and labor consumption; secondly, the detection device of chlorophyll a among the prior art is single station, can only carry out once at every turn and detect, and the operating efficiency is low, influences the accuracy that detects data.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a multi-station detection device for chlorophyll a, which is used to solve the problems that in the prior art, the whole process of chlorophyll a is manually operated by manpower during the measurement process, and the device does not have the function of automatic detection, and has tedious operation and manpower consumption; secondly, the detection device of chlorophyll a among the prior art is single station, can only carry out once at every turn and detect, and the operating efficiency is low, influences the problem of the accuracy of detection data.

In order to achieve the above objects and other related objects, the present invention provides a multi-station detection device for chlorophyll a, including: the device comprises a water bath kettle, a containing mechanism, a filter screen frame, a liquid supply mechanism, a detection mechanism and a discharge mechanism, wherein the filter screen frame is placed inside the containing mechanism, the containing mechanism is placed inside the water bath kettle, the liquid supply mechanism is used for adding hydrochloric acid solution into a colorimetric container, the detection mechanism is used for detecting the content of chlorophyll a in the solution in the colorimetric container, and the discharge mechanism is used for discharging the solution in the containing mechanism;

detection mechanism passes through the second pipeline and holds the mechanism intercommunication, it has a plurality ofly to hold the mechanism, and a plurality ofly holds the mechanism along circumference evenly distributed, the inner of second pipeline is equipped with the connecting pipe through rotary joint, the outer end and the ring pipe intercommunication of connecting pipe, the intercommunication has a plurality of branch pipes on the ring pipe, the open end of branch pipe extends to in holding the mechanism, be equipped with the fifth valve on the branch pipe, and is a plurality of hold the mechanism setting on circular turntable, rotary joint and circular turntable's axial lead coincidence.

Preferably, the filter screen frame includes filter screen body and a plurality of first journal stirrup, filter screen body adopts tubbiness type structure, and is a plurality of first journal stirrup evenly distributed is on filter screen body's top.

Preferably, the accommodating mechanism comprises a container body and a plurality of second lugs, the container body adopts a barrel-shaped structure, the second lugs are uniformly distributed at the top end of the container body, and the second lugs and the first lugs are correspondingly distributed.

Preferably, detection mechanism includes water pump, light source, color comparison container and detector, the water pump passes through the second pipeline and holds the mechanism intercommunication, color comparison container and second pipeline intercommunication, be equipped with the fourth valve on the second pipeline, the fourth valve is located between water pump and the color comparison container, the light source is located one side of color comparison container, the detector is located the opposite side of color comparison container.

Preferably, the liquid supply mechanism comprises a second container, the second container is communicated with the colorimetric container through a third pipeline, and a second valve is arranged on the third pipeline.

Preferably, discharge mechanism includes sixth valve and effluent water sump, second pipeline intercommunication water pump and effluent water sump, the sixth valve sets up on the second pipeline, and the sixth valve is located between water pump and the effluent water sump, the bottom of color comparison container is equipped with the drain pipe, be equipped with the seventh valve on the drain pipe.

As mentioned above, the utility model discloses a multistation detection device for chlorophyll a has following beneficial effect at least:

firstly, in the measuring process of chlorophyll a, a filter membrane is placed in a filter screen frame, the filter screen frame is placed in an accommodating mechanism, the accommodating mechanism is placed in a water bath pot, hydrochloric acid solution is added into a colorimetric container through a liquid supply mechanism, the content of chlorophyll a in the solution in the colorimetric container is detected through a detection mechanism, and the solution in the accommodating mechanism is discharged through a discharge mechanism, so that the automatic detection function is realized, the operation is simple, and the manpower is saved;

two, start the rotary driving spare of circular carousel bottom, rotary driving spare's output shaft drives circular carousel rotatory, then opens the fifth valve that every station corresponds respectively, starts the water pump, and solution in the holding mechanism is inhaled by the water pump through branch pipe, rotary joint, then flows the color comparison container to supply the detection and processing, possess a plurality of stations, can carry out a lot of detections at every turn, and operating efficiency does, improves the accuracy of detected data.

Drawings

Fig. 1 is a schematic diagram of a detection mechanism and a discharge mechanism in the multi-station detection device for chlorophyll a according to the present invention.

Fig. 2 is a schematic diagram of the detection mechanism and the discharge mechanism of the multi-station detection device for chlorophyll a according to the present invention.

Fig. 3 is a perspective view of a screen frame of the multi-station chlorophyll a detecting apparatus of the present invention.

Fig. 4 is a perspective view (another view) of a screen frame of the multi-station chlorophyll a detecting apparatus of the present invention.

Fig. 5 is a perspective view of the water bath and the filter screen frame in the multi-station chlorophyll a detecting apparatus of the present invention.

Element number description: the water bath kettle 1, the containing mechanism 2, the container body 21, the second lug 22, the filter screen frame 3, the filter screen body 31, the first lug 32, the second container 72, the second valve 721, the water pump 81, the second pipeline 811, the fourth valve 82, the sixth valve 83, the sewage tank 84, the light source 85, the colorimetric container 86, the drain pipe 861, the seventh valve 862, the detector 87, the annular pipe 881, the rotary joint 882, the branch pipe 884, the fifth valve 885, the connecting pipe 886 and the circular turntable 9.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 5. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.

Referring to fig. 1, 2 and 5, the present invention provides a multi-station testing device for chlorophyll a, comprising: the water bath kettle 1, the accommodating mechanism 2, the filter screen frame 3, the liquid supply mechanism, the detection mechanism and the discharge mechanism, the filter screen frame 3 is placed in the accommodating mechanism 2, wherein the filter screen frame 3 can move up and down relative to the accommodating mechanism 2, a gap is reserved between the bottom end of the filter screen frame 3 and the inner bottom surface of the accommodating mechanism 2 to ensure that the filter membrane is soaked completely by ethanol, the filter screen frame 3 is used for containing the filter membrane with chlorophyll a, the accommodating mechanism 2 is placed in the water bath kettle 1, a gap is reserved between the bottom end of the accommodating mechanism 2 and the inner bottom surface of the water bath kettle 1 to ensure that hot water in the water bath kettle 1 can fully contact the bottom end of the accommodating mechanism 2, the liquid supply mechanism is used for adding a hydrochloric acid solution into the colorimetric container 86, the detection mechanism is communicated with the colorimetric container 86 through a second pipeline 811, the detection mechanism is used for detecting the content of the chlorophyll a in the solution in the colorimetric container 86, the discharge mechanism is used for discharging the solution in the containing mechanism 2.

At chlorophyll a in survey process, put into filter screen frame 3 to the filter membrane in, put into holding mechanism 2 to filter screen frame 3 in, put into water bath 1 to holding mechanism 2 again, add hydrochloric acid solution in to colorimetric container 86 through supplying liquid mechanism, detect the content of chlorophyll a in the solution in colorimetric container 86 through detection mechanism, discharge the solution in holding mechanism 2 through discharge mechanism, have the function of automated inspection, the operation is simple, consume and practice thrift the manpower.

Referring to fig. 3-5, the screen frame 3 includes a screen body 31 and a plurality of first lugs 32, the screen body 31 is of a barrel-shaped structure, the first lugs 32 are uniformly distributed at the top end of the screen body 31, wherein the number of the first lugs 32 is three, and an included angle between two adjacent first lugs 32 is 120 degrees. The accommodating mechanism 2 comprises a container body 21 and a plurality of second lugs 22, the container body 21 is of a barrel-shaped structure, the plurality of second lugs 22 are uniformly distributed at the top end of the container body 21, the plurality of second lugs 22 and the plurality of first lugs 32 are correspondingly distributed, the number of the second lugs 22 is three, an included angle between two adjacent second lugs 22 is 120 degrees, and the first lugs 32 are located right above the second lugs 22.

During the use, place the filter membrane at filter screen body 31's interior bottom to add ethanol solution to vessel 21's inside, ethanol solution is used for soaking the filter membrane, so that the distinct of chlorophyll a in the filter membrane, second journal stirrup 22 supports first journal stirrup 32, thereby makes filter screen body 31 suspend at vessel 21's interior top, ensures that ethanol solution can soak the filter membrane comprehensively. In addition, the inner diameter of the strainer body 31 is smaller than the inner diameter of the container body 21, so that the ethanol solution is ensured between the side wall of the strainer body 31 and the side wall of the container body 21, thereby soaking the filter membrane.

Referring to fig. 1 and 2, the liquid supply mechanism includes a second container 72, the second container 72 is connected to the colorimetric container 86 through a third pipeline, and a second valve 721 is disposed on the third pipeline, wherein the second container 72 is used for containing the hydrochloric acid solution, and the second valve 721 can control the addition amount of the hydrochloric acid. When optical detection is required, first detection is performed, then the second valve 721 is opened, hydrochloric acid in the second container 72 flows into the colorimetric container 86 through the third pipeline, after a proper amount of hydrochloric acid is added, chlorophyll a is measured again, that is, measurement operations are performed before and after acidification of hydrochloric acid respectively, so as to perform comparison processing.

Referring to fig. 1 and 2, the detection mechanism includes a water pump 81, a light source 85, a colorimetric container 86 and a detector 87, the water pump 81 is communicated with the accommodating mechanism 2 through a second pipeline 811, the colorimetric container 86 is communicated with the second pipeline 811, the second pipeline 811 is provided with a fourth valve 82, the fourth valve 82 is positioned between the water pump 81 and the colorimetric container 86, the light source 85 is positioned on one side of the colorimetric container 86, the detector 87 is positioned on the other side of the colorimetric container 86, the bottom end of the colorimetric container 86 is provided with a drain pipe 861, and the drain pipe 861 is provided with a seventh valve 862. The discharge mechanism comprises a sixth valve 83 and a sewage tank 84, a second pipeline 811 connects the water pump 81 and the sewage tank 84, the sixth valve 83 is arranged on the second pipeline 811, and the sixth valve 83 is positioned between the water pump 81 and the sewage tank 84.

During the use, open fourth valve 82 and close sixth valve 83 simultaneously, start water pump 81, solution in the container body 21 is inhaled in water pump 81 through second pipeline 811, then solution in water pump 81 enters into colorimetric container 86 through second pipeline 811, fourth valve 82, then, opens light source 85, and light source 85 sends light vertical irradiation colorimetric container 86, and the light after the light is absorbed the specific wavelength section by the chlorophyll a that remains in the solution in colorimetric container 86 is detected by detector 87 to determine the content of chlorophyll a. When it is necessary to discharge the waste liquid in the container body 21, the fourth valve 82 is closed and the sixth valve 83 is opened, the water pump 81 is started, and the waste liquid in the accommodating mechanism 2 flows into the wastewater tank 84 through the water pump 81, the second pipe 811 and the sixth valve 83, so that the discharge operation is performed, and further, when the seventh valve 862 is opened, the solution in the seventh valve 862 can be discharged through the drain 861.

Referring to fig. 1 and 2, the accommodating mechanism 2 has a plurality of accommodating mechanisms 2, the plurality of accommodating mechanisms 2 are uniformly distributed along the circumference, the inner end of the second pipeline 811 is provided with a connecting pipe 886 through a rotary joint 882, the outer end of the connecting pipe 886 is communicated with an annular pipe 881, the annular pipe 881 is communicated with a plurality of branch pipes 884, the open ends of the branch pipes 884 extend into the accommodating mechanisms 2, the branch pipes 884 are provided with fifth valves 885, the plurality of accommodating mechanisms 2 are arranged on a circular turntable 9, and the axial lines of the rotary joint 882 and the circular turntable 9 are coincident with each other, so as to ensure that the rotary joint 882 is always located right above the axial line of the circular turntable 9, and in addition, the rotary joint 882 can adapt to the rotary motion relative to the annular pipe 881. The bottom end of the circular turntable 9 is provided with a rotary driving member (not shown in the figure) for providing power for the rotation of the circular turntable 9. When circular carousel 9 is rotatory, can drive the mechanism 2 rotation that holds above that, a plurality of designs that hold the mechanism 2 can carry out a lot of survey operations simultaneously to in contrast processing, improve the efficiency that detects, can also improve the accuracy of chlorophyll a testing result, only need open the corresponding branch pipe 884 on the fifth valve 885 can, thereby survey the chlorophyll a of required mechanism 2 interior solution.

To sum up, the utility model discloses in chlorophyll a is at the survey in-process, put into the filter screen frame to the filter screen frame, put into the receiving mechanism to the filter screen frame, put into the water bath pot again to the receiving mechanism, add hydrochloric acid solution in to the color comparison container through supplying liquid mechanism, detect the content of chlorophyll a in the solution in the color comparison container through detection mechanism, discharge the solution in the receiving mechanism through discharge mechanism, the whole flow all is automatic operation, has the function of automatic detection, the operation is simple, practices thrift the manpower; the rotary driving piece that starts circular carousel bottom, rotary driving piece's output shaft drives circular carousel rotatory, then opens the fifth valve that every station corresponds respectively, starts the water pump, and solution in the holding mechanism is inhaled by the water pump through branch pipe, rotary joint, then flows the color comparison container to supply the detection processing, possess a plurality of stations, can carry out many times at every turn and detect, and operating efficiency does, improves the accuracy that detects data. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A multistation detection device for chlorophyll a is characterized by comprising: the device comprises a water bath pot (1), a containing mechanism (2), a filter screen frame (3), a liquid supply mechanism, a detection mechanism and a discharge mechanism, wherein the filter screen frame (3) is placed inside the containing mechanism (2), the containing mechanism (2) is placed inside the water bath pot (1), the liquid supply mechanism is used for adding a hydrochloric acid solution into a colorimetric container (86), the detection mechanism is used for detecting the content of chlorophyll a in the solution in the colorimetric container (86), and the discharge mechanism is used for discharging the solution in the containing mechanism (2);

detection mechanism passes through second pipeline (811) and holds mechanism (2) intercommunication, hold mechanism (2) have a plurality ofly, and a plurality ofly hold mechanism (2) along circumference evenly distributed, the inner of second pipeline (811) is equipped with connecting pipe (886) through rotary joint (882), the outer end and the ring pipe (881) intercommunication of connecting pipe (886), the intercommunication has a plurality of branch pipes (884) on ring pipe (881), the open end of branch pipe (884) extends to in holding mechanism (2), be equipped with fifth valve (885) on branch pipe (884), it is a plurality of hold mechanism (2) and set up on circular turntable (9), the axial lead coincidence of rotary joint (882) and circular turntable (9).

2. The multi-station detection device for chlorophyll a, according to claim 1, wherein: the filter screen frame (3) comprises a filter screen body (31) and a plurality of first lugs (32), the filter screen body (31) adopts a barrel-shaped structure, and the first lugs (32) are uniformly distributed on the top end of the filter screen body (31).

3. The multi-station detection device for chlorophyll a, according to claim 2, wherein: the accommodating mechanism (2) comprises a container body (21) and a plurality of second support lugs (22), wherein the container body (21) is of a barrel-shaped structure, the second support lugs (22) are uniformly distributed at the top end of the container body (21), and the second support lugs (22) and the first support lugs (32) are correspondingly distributed.

4. The multi-station detection device for chlorophyll a, according to claim 3, wherein: detection mechanism includes water pump (81), light source (85), color comparison container (86) and detector (87), water pump (81) communicate through second pipeline (811) and holding mechanism (2), color comparison container (86) and second pipeline (811) communicate, be equipped with fourth valve (82) on second pipeline (811), fourth valve (82) are located between water pump (81) and color comparison container (86), light source (85) are located one side of color comparison container (86), detector (87) are located the opposite side of color comparison container (86).

5. The multi-station detection device for chlorophyll a, according to claim 1, wherein: the liquid supply mechanism comprises a second container (72), the second container (72) is communicated with the colorimetric container (86) through a third pipeline, and a second valve (721) is arranged on the third pipeline.

6. The multi-station detection device for chlorophyll a according to claim 4, wherein: the discharge mechanism comprises a sixth valve (83) and a sewage tank (84), the second pipeline (811) is communicated with the water pump (81) and the sewage tank (84), the sixth valve (83) is arranged on the second pipeline (811), the sixth valve (83) is positioned between the water pump (81) and the sewage tank (84), the bottom end of the colorimetric container (86) is provided with a drain pipe (861), and a seventh valve (862) is arranged on the drain pipe (861).