CN114081540A

CN114081540A - Gastroenterology biopsy analysis device

Info

Publication number: CN114081540A
Application number: CN202111423506.XA
Authority: CN
Inventors: 高辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-02-25

Abstract

The invention discloses a biopsy sampling and analyzing device for the department of gastroenterology, which comprises a detection box, a plurality of pumps, a sampling tube and an opening and closing assembly; the detection box is provided with a controller, a first supporting plate and a second supporting plate are erected in the detection box, a plurality of cavities are formed between the first supporting plate and the second supporting plate through a plurality of partition plates, and a detection analyzer is arranged in each cavity; the plurality of pumps are arranged at the top of the first supporting plate, the discharge port of each pump is correspondingly communicated with each cavity, and the suction port of each pump is communicated with a liquid distribution box arranged at the top of the detection box through a connecting pipe; one end of the sampling tube is communicated with the liquid separation box, the other end of the sampling tube is connected with an end cover through a flexible connecting ring, a position identification assembly is arranged on the end cover, and a plurality of sampling holes are formed in the circumferential direction of the flexible connecting ring; the opening and closing assembly is arranged on the sampling tube and used for controlling the opening and closing states of the sampling holes. The invention can realize the respective sampling and classification analysis and detection of different digestive tract parts of a patient, and improves the detection efficiency.

Description

Gastroenterology biopsy analysis device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a biopsy sampling and analyzing device for the department of gastroenterology.

Background

The digestive system department is a clinical third-level subject which mainly studies diseases such as esophagus, stomach, small intestine, large intestine, liver, gallbladder and pancreas, the digestive system department has various diseases, the medical knowledge is wide, the operation is complex and fine, in the treatment of patients in the digestive system department, mucus or secretion generated in the digestive tract of the patients need to be sampled, analyzed and detected, so as to analyze the illness state of the patients, for example, mucus secreted in the esophagus of the patients is sampled, whether esophageal cancer occurs or not is judged through detection and analysis, various digestive juice in the stomach of the patients is sampled, the diseased state of the stomach is judged through detection, mucus secreted in duodenum of the patients is sampled, and pancreas, biliary tract and liver diseases are diagnosed through detection.

When sampling is carried out to patient's alimentary canal to current gastroenterology biopsy sampling analysis device, in order to avoid the mucus of different position secretions to take place to interfere in the patient's alimentary canal, influence the accuracy that detects, consequently most can only carry out the independent sampling to the mucus of the somewhere position secretion of patient's alimentary canal, and the mucus of extracting moreover can only carry out the analysis alone for the very trouble of testing process.

Disclosure of Invention

The present invention is to provide a biopsy analyzer for gastroenterology to solve the above problems of the background art.

The technical scheme of the invention is as follows: a living body sampling and analyzing device for the department of gastroenterology comprises a detection box, a plurality of pumps, a sampling tube and an opening and closing assembly; the outer wall of the detection box is provided with a controller, a first supporting plate and a second supporting plate are erected inside the detection box, the first supporting plate is positioned above the second supporting plate, a plurality of cavities are formed between the first supporting plate and the second supporting plate through a plurality of partition plates, a detection analyzer is arranged in each cavity, and each detection analyzer is electrically connected with the controller; the pumps are respectively arranged at the top of the first supporting plate and are electrically connected with the controller, the discharge ports of the pumps are communicated with the cavities in a one-to-one correspondence manner, the suction port of each pump is communicated with the liquid distribution box through a connecting pipe, and the liquid distribution box is arranged at the top of the detection box; one end of the sampling tube is communicated with the top of the liquid distribution box, the other end of the sampling tube is connected with an end cover through a flexible connecting ring, a position identification component is arranged on the end cover and is electrically connected with the controller, the cross section of the flexible connecting ring is V-shaped and bends inwards, and a plurality of sampling holes are formed in the circumferential direction of the flexible connecting ring; the opening and closing assembly is arranged on the sampling tube and used for controlling the opening and closing states of the sampling holes.

Furthermore, the opening and closing assembly comprises a first connecting rod, a second connecting rod, two sleeves, two guide columns, a U-shaped connecting column, a mounting barrel and a traction mechanism; the first connecting rod is erected and fixed on the inner wall of the end cover; the second connecting rod is erected and fixed on the inner wall of the sampling tube close to one side of the flexible connecting ring and is arranged opposite to the first connecting rod; the two sleeves are respectively and vertically fixed on the side wall of the second connecting rod back to the first connecting rod; one ends of the two guide posts are vertically fixed with the side wall of the first connecting rod, which is opposite to the second connecting rod, and the other ends of the two guide posts respectively and correspondingly extend into the two sleeves after penetrating through the second connecting rod; the opening of the U-shaped connecting column is arranged right opposite to the second connecting rod, two side columns at the opening of the U-shaped connecting column are respectively inserted into the two sleeves and are in sliding connection with the sleeves, the other ends of the two guide columns are respectively and correspondingly fixedly connected with the two side columns at the opening of the U-shaped connecting column, each guide column is sleeved with a spring, two ends of each spring are respectively connected with the second connecting rod and the side column of the U-shaped connecting column, and a connecting hole is formed in the side wall of the opening end of the U-shaped connecting column; the installation barrel is obliquely arranged on the side wall of one end, close to the liquid distribution box, of the sampling tube, the barrel opening of the installation barrel is communicated with the sampling tube, a piston is connected in the installation barrel in a sliding mode, a pull rope is fixed at one end, opposite to the barrel opening of the installation barrel, of the piston, and the other end of the pull rope extends into the sampling tube and is connected with the connecting hole; the traction mechanism is arranged on the installation barrel, and the output end of the traction mechanism is connected with one end, back to the pull rope, of the piston and used for driving the piston to move in the installation barrel.

Furthermore, the traction mechanism comprises a traction rod which is arranged in the installation barrel in parallel, one end of the traction rod is fixed with one end, back to the traction rope, of the piston, and the other end of the traction rod extends to the outside of the installation barrel and is fixed with the traction rod.

Furthermore, the traction mechanism comprises an iron block and an electromagnet; the iron block is fixed at one end of the piston back to the pull rope; the electromagnet is fixed at the bottom of the installation barrel and is electrically connected with the controller.

Further, the position identification assembly comprises a transparent mounting cover and a camera; the transparent mounting cover is fixed at one end of the end cover back to the sampling tube; the camera sets up in the transparent installation cover and fixed with the end cover, the camera with the controller electricity is connected.

Furthermore, the flexible connecting ring is made of medical silica gel or medical rubber.

Further, a sewage draining mechanism is arranged below the second supporting plate.

Furthermore, the sewage discharge mechanism comprises a plurality of conveying pipes, a flow guide block and a sewage discharge pipe; the conveying pipes are vertically arranged at the bottom of the second supporting plate and are correspondingly communicated with the cavities, each conveying pipe is provided with an electromagnetic valve, and each electromagnetic valve is communicated with the controller; the flow guide block is obliquely arranged on the inner bottom surface of the detection box; the blow off pipe sets up on the lateral wall of the just lower of water conservancy diversion piece of detection case, and the one end and the detection case intercommunication of blow off pipe are equipped with the gate valve on the other end of blow off pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can realize the respective sampling and classification analysis and detection of different digestive tract parts of a patient, and improves the detection efficiency.

2. According to the invention, the opening and closing assembly can control the plurality of sampling holes to be closed in the moving process of the sampling tube, and the sampling holes are not opened for sampling until the moving sampling place, so that the interference of sampling mucus at each part is avoided, and the detection accuracy is improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a front sectional structural view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3B;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C according to the present invention;

fig. 6 is a schematic diagram of an optimized structure of the traction mechanism in the invention.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to fig. 1 to 6. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

As shown in fig. 1 to 6, a biopsy analyzer for gastroenterology comprises a detection chamber 1, a plurality of pumps 16, a sampling tube 2, and an opening and closing member; the outer wall of the detection box 1 is provided with a controller 10, a first support plate 11 and a second support plate 12 are erected inside the detection box 1, the first support plate 11 is positioned above the second support plate 12, a plurality of cavities 14 are partitioned between the first support plate 11 and the second support plate 12 through a plurality of partition plates 13, a detection analyzer 15 is arranged in each cavity 14, and each detection analyzer 15 is electrically connected with the controller 10; the pumps 16 are respectively arranged at the top of the first supporting plate 11, the pumps 16 are all electrically connected with the controller 10, the discharge ports of the pumps 16 are communicated with the cavities 14 in a one-to-one correspondence manner, and the suction ports of the pumps 16 are all communicated with a liquid distribution box 18 arranged at the top of the detection box 1 through connecting pipes 17; one end of the sampling tube 2 is communicated with the top of the liquid distribution box 18, the other end of the sampling tube 2 is connected with an end cover 4 through a flexible connecting ring 3, a position identification component is arranged on the end cover 4 and is electrically connected with the controller 10, the cross section of the flexible connecting ring 3 is V-shaped and is bent inwards, and a plurality of sampling holes 31 are formed in the circumferential direction of the flexible connecting ring 3; the opening and closing component is arranged on the sampling tube 2 and is used for controlling the opening and closing states of the sampling holes 31.

When sampling the alimentary canal of a patient, firstly controlling a plurality of sampling holes 31 to be in a closed state through an opening and closing assembly, then extending a sampling tube 2 into the esophagus of the patient from the oral cavity of the patient, observing the current position of the sampling tube 2 in the esophagus of the patient by using a position identification assembly, controlling the plurality of sampling holes 31 to be in an open state through the opening and closing assembly when mucus secreted at a certain position of the esophagus needs to be sampled, so that the mucus at the current position flows into the sampling tube 2 through the sampling holes 31, then controlling a certain pump 16 to work through a controller 10, conveying the mucus secreted at the esophagus into a cavity 14 corresponding to the pump 16, and checking the mucus by using a detection analyzer 15 in the cavity 14; when the digestive juice in the stomach needs to be sampled, the plurality of sampling holes 31 are controlled to be in a closed state through the opening and closing component, then the sampling tube 2 is continuously moved to the stomach of a patient, the plurality of sampling holes 31 are opened through the opening and closing component, and the digestive juice in the stomach is extracted, analyzed and detected by using the other pump 16, the corresponding cavity 14 and the detection analyzer 15, because the plurality of sampling holes 31 are always in the closed state in the moving process from the esophagus to the stomach, the mucus secreted by the esophagus can be prevented from continuously entering the sampling tube 2, and the process of analyzing and extracting the digestive juice in the stomach is influenced; when needing to carry out the sample test to the mucus of duodenum secretion, repeat above-mentioned sample analysis step, because the subassembly that opens and shuts closes a plurality of thief holes 31 in the in-process that sampling tube 2 removed, just open thief hole 31 and take a sample until the sample site that removes, consequently avoided the interference of each position sample mucus, improved the accuracy of detection, simultaneously because all correspond in every cavity 14 and be equipped with a detection and analysis appearance 15, consequently can be with the mucus classification of extracting carrying out the analysis by detection, detection efficiency has been improved.

Specifically, as shown in fig. 2 to 6, the opening and closing assembly includes a first connecting rod 51, a second connecting rod 52, two sleeves 53, two guide posts 54, a U-shaped connecting post 55, a mounting barrel 57 and a pulling mechanism; the first connecting rod 51 is erected and fixed on the inner wall of the end cover 4; the second connecting rod 52 is erected and fixed on the inner wall of the sampling tube 2 close to one side of the flexible connecting ring 3 and is arranged opposite to the first connecting rod 51; the two sleeves 53 are respectively and vertically fixed on the side wall of the second connecting rod 52 opposite to the first connecting rod 51; one end of each of the two guide posts 54 is vertically fixed with the side wall of the first connecting rod 51 opposite to the second connecting rod 52, and the other end of each of the two guide posts 54 passes through the second connecting rod 52 and then respectively and correspondingly extends into the two sleeves 53; the opening of the U-shaped connecting column 55 is arranged opposite to the second connecting rod 52, two side columns at the opening of the U-shaped connecting column 55 are respectively inserted into the two sleeves 53 and are in sliding connection with the sleeves 53, the other ends of the two guide columns 54 are respectively and correspondingly fixedly connected with the two side columns at the opening of the U-shaped connecting column 55, each guide column 54 is sleeved with a spring, two ends of each spring are respectively connected with the second connecting rod 52 and the side columns of the U-shaped connecting column 55, and a connecting hole 56 is formed in the side wall of the opening end of the U-shaped connecting column 55; the installation barrel 57 is obliquely arranged on the side wall of one end, close to the liquid distribution box 18, of the sampling tube 2, the barrel opening of the installation barrel 57 is communicated with the sampling tube 2, the piston 58 is connected in the installation barrel 57 in a sliding mode, a pull rope 59 is fixed at one end, opposite to the barrel opening of the installation barrel 56, of the piston 58, and the other end of the pull rope 59 extends into the sampling tube 2 and is connected with the connecting hole; the traction mechanism is arranged on the mounting barrel 57, and the output end of the traction mechanism is connected with one end of the piston 58, which is back to the pull rope 59, and is used for driving the piston 58 to move in the mounting barrel 56.

The opening and closing principle is as follows:

when a plurality of sampling holes 31 need to be closed, the pulling rope 59 is driven by the traction mechanism to move in the direction far away from the second connecting rod 52, the U-shaped connecting rod 55 is driven to synchronously move and stretch the spring arranged in the sleeve 53 in the moving process of the pulling rope 59, the first connecting rod 51 is driven by the two guide posts 54 to move in the direction close to the second connecting rod 52 in the moving process of the U-shaped connecting rod 55, the first connecting rod 51 is driven in the moving process, so the first connecting rod 51 can drive the end cover 4 to move in the direction close to the sampling tube 2, because the cross section of the flexible connecting ring 3 is V-shaped and is bent inwards, when the end cover 4 is gradually close to the sampling tube 2, the flexible connecting ring 3 is extruded and folded so that the plurality of sampling holes 31 are contracted into the sampling tube 2, and when the end cover 4 is completely contacted with the sampling tube 2, the plurality of sampling holes 31 are in a closed state; when a plurality of sampling holes 31 need to be opened for sampling, pull rope 59 is driven to move reversely through a traction mechanism, and the elastic acting force of a spring drives U-shaped connecting column 55 to move towards the direction close to second connecting rod 52, when U-shaped connecting column 55 moves, first connecting rod 51 is driven to move towards the direction far away from second connecting rod 52 through two guide columns 54, first connecting rod 51 moves in the process of driving end cover 4 to move towards the direction far away from sampling tube 2, end cover 4 moves in the process of opening flexible connecting ring 3, and therefore a plurality of sampling holes 31 are opened.

Specifically, as an alternative embodiment of the pulling mechanism, as shown in fig. 5, the pulling mechanism includes a pulling rod 61 disposed in parallel in the installation barrel 56, one end of the pulling rod 61 is fixed to one end of the piston 58 opposite to the pulling rope 59, the other end of the pulling rod 61 extends to the outside of the installation barrel 56 and is fixed with a pulling rod 62, when it is required to control the closing of the sampling hole 31, the pull rod 62 is pulled outwards by hand, the piston 58 and the pull rope 59 are driven by the pull rod 61 to synchronously move in the moving process of the pull rod 62, the U-shaped connecting column 55 is driven to move towards the direction far away from the second connecting rod 52 in the moving process of the pull rope 59 so as to close the plurality of sampling holes 31, when the plurality of sampling holes 31 need to be opened, the pull rod 62 is loosened, meanwhile, under the elastic force of the spring, the U-shaped connection pole 55 is moved to a direction close to the second connection rod 52 to open the plurality of sampling holes 31.

Specifically, as another alternative embodiment of the traction mechanism, as shown in fig. 5, the traction mechanism includes an iron block 63 and an electromagnet 64; the iron block 63 is fixed at one end of the piston 58 back to the pull rope 59; an electromagnet 64 is fixed at the bottom of the installation tub 56, and the electromagnet is electrically connected to the controller 10. When the sampling holes 31 need to be controlled to be closed, the controller controls the electromagnet 64 to be in a power-on state, the iron block 63 is adsorbed by magnetic force generated by the electromagnet 64, and the pull rope 59 drives the U-shaped connecting column 55 to move towards the direction far away from the second connecting rod 52 in the moving process of the iron block 63, so that the plurality of sampling holes 31 are closed; when the sampling holes 31 need to be controlled to be opened, the electromagnet 64 is controlled by the controller to be in a power-off state, the adsorption state of the iron block 63 is released, and the U-shaped connecting column 55 moves towards the direction close to the second connecting rod 52 under the elastic acting force of the spring, so that the plurality of sampling holes 31 are opened; compared with the scheme of controlling the open-close state of the sampling holes 31 by controlling the pull rod 62 by hand, the scheme of controlling the open-close state of the sampling holes 31 by controlling the on-off state of the electromagnet 64 can reduce labor intensity, avoid the medical staff from pulling the pull rod 62 to generate arm ache for a long time, and can not ensure that the sampling holes 31 are always kept closed in the moving process because the pull rod 62 is pulled by hand.

Specifically, as shown in fig. 4, the position recognition assembly includes a transparent mounting cover 71 and a camera 72; the transparent mounting cover 71 is fixed at one end of the end cover 4 opposite to the sampling tube 2; the camera 72 is arranged in the transparent mounting cover 71 and fixed with the end cover 4, and the camera 72 is electrically connected with the controller. When the sampling tube 2 is moved, the image collected by the camera 72 is transmitted to the controller to observe the current position and perform collection.

Preferably, in order to enable the flexible connection ring 3 to be folded quickly to close the plurality of sampling holes 31, the flexible connection ring 3 is made of medical silica gel or medical rubber.

Preferably, in order to facilitate the discharge of the analyzed mucus, a drain mechanism is provided below the second support plate 12.

Specifically, as shown in fig. 3, the sewage discharging mechanism includes a plurality of delivery pipes 81, a guide block 82, and a sewage discharging pipe 83; a plurality of delivery pipes 81 vertically arranged at the bottom of the second support plate 12 and correspondingly communicated with each cavity 14, wherein each delivery pipe 81 is provided with an electromagnetic valve 82, and each electromagnetic valve 82 is communicated with the controller 10; the flow guide block 82 is obliquely arranged on the inner bottom surface of the detection box 1; the blow-off pipe 83 is arranged on the side wall of the detection box 1 opposite to the lowest position of the flow guide block 82, one end of the blow-off pipe 83 is communicated with the detection box 1, and the other end of the blow-off pipe 83 is provided with a gate valve.

After the analysis and detection are finished, the electromagnetic valve 82 on each conveying pipe 81 is controlled to be opened through the controller, so that the analyzed mucus flows into the inner bottom surface of the detection box 1, the mucus can completely flow into the sewage discharge pipe 83 under the cooperation of the flow guide block 82, and the gate valve is opened to discharge the analyzed mucus.

Although the preferred embodiments of the present invention have been disclosed, the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. A biopsy analysis device for use in gastroenterology, comprising:

the detection box (1) is provided with a controller (10) on the outer wall, a first supporting plate (11) and a second supporting plate (12) are erected inside the detection box (1), the first supporting plate (11) is positioned above the second supporting plate (12), a plurality of cavities (14) are formed between the first supporting plate (11) and the second supporting plate (12) through a plurality of partition plates (13), a detection analyzer (15) is arranged in each cavity (14), and each detection analyzer (15) is electrically connected with the controller (10);

the pumps (16) are respectively arranged at the top of the first supporting plate (11), the pumps (16) are all electrically connected with the controller (10), the discharge ports of the pumps (16) are communicated with the cavities (14) in a one-to-one correspondence manner, the suction port of each pump (16) is communicated with the liquid distribution box (18) through a connecting pipe (17), and the liquid distribution box (18) is arranged at the top of the detection box (1);

one end of the sampling tube (2) is communicated with the top of the liquid distribution box (18), the other end of the sampling tube is connected with an end cover (4) through a flexible connecting ring (3), a position identification component is arranged on the end cover (4) and is electrically connected with the controller (10), the cross section of the flexible connecting ring (3) is V-shaped and is bent inwards, and a plurality of sampling holes (31) are formed in the circumferential direction of the flexible connecting ring (3);

the opening and closing assembly is arranged on the sampling tube (2) and used for controlling the opening and closing states of the sampling holes (31).

2. The biopsy analysis device of claim 1, wherein the opening and closing assembly comprises:

the first connecting rod (51) is erected and fixed on the inner wall of the end cover (4);

the second connecting rod (52) is erected and fixed on the inner wall of the sampling tube (2) close to one side of the flexible connecting ring (3) and is arranged opposite to the first connecting rod (51);

the two sleeves (53) are respectively and vertically fixed on the side wall of the second connecting rod (52) back to the first connecting rod (51);

one end of each guide post (54) is vertically fixed with the side wall of the first connecting rod (51) opposite to the second connecting rod (52), and the other end of each guide post (54) penetrates through the second connecting rod (52) and then respectively and correspondingly extends into the two sleeves (53);

the opening of the U-shaped connecting column (55) is arranged right opposite to the second connecting rod (52), two side columns at the opening of the U-shaped connecting column (55) are respectively inserted into the two sleeves (53) and are in sliding connection with the sleeves (53), the other ends of the two guide columns (54) are respectively and correspondingly fixedly connected with the two side columns at the opening of the U-shaped connecting column (55), each guide column (54) is sleeved with a spring, two ends of each spring are respectively connected with the second connecting rod (52) and the side columns of the U-shaped connecting column (55), and a connecting hole (56) is formed in the side wall of the opening end of the U-shaped connecting column (55);

the mounting barrel (57) is obliquely arranged on the side wall of one end, close to the liquid distribution box (18), of the sampling tube (2), the barrel opening of the mounting barrel (57) is communicated with the sampling tube (2), a piston (58) is connected in the mounting barrel (57) in a sliding mode, a pull rope (59) is fixed at one end, opposite to the barrel opening of the mounting barrel (56), of the piston (58), and the other end of the pull rope (59) extends into the sampling tube (2) and is connected with the connecting hole;

and the traction mechanism is arranged on the mounting barrel (57), and the output end of the traction mechanism is connected with one end of the piston (58) back to the pull rope (59) and is used for driving the piston (58) to move in the mounting barrel (56).

3. The biopsy sampling and analyzing device for the gastroenterology according to claim 2, wherein the traction mechanism comprises a traction rod (61) arranged in the mounting barrel (56) in parallel, one end of the traction rod (61) is fixed with one end of the piston (58) opposite to the pull rope (59), and the other end of the traction rod (61) extends out of the mounting barrel (56) and is fixed with a pull rod (62).

4. The biopsy analysis device of claim 2, wherein the traction mechanism comprises:

the iron block (63) is fixed at one end of the piston (58) back to the pull rope (59);

and the electromagnet (64) is fixed at the bottom of the installation barrel (56) and is electrically connected with the controller (10).

5. The biopsy analysis device of claim 1, wherein the location identification component comprises:

the transparent mounting cover (71) is fixed at one end of the end cover (4) back to the sampling tube (2);

the camera (72) is arranged in the transparent mounting cover (71) and is fixed with the end cover (4), and the camera (72) is electrically connected with the controller.

6. The biopsy sampling and analyzing device for gastroenterology according to claim 1, wherein the flexible connecting ring (3) is made of medical silica gel or medical rubber.

7. A biopsy sampling and analysis device according to claim 1, wherein a drainage mechanism is provided below the second support plate (12).

8. The biopsy analysis device of claim 7, wherein the blowdown mechanism comprises:

the conveying pipes (81) are vertically arranged at the bottom of the second supporting plate (12) and are correspondingly communicated with the cavities (14), each conveying pipe (81) is provided with an electromagnetic valve (82), and each electromagnetic valve (82) is communicated with the controller (10);

the flow guide block (83) is obliquely arranged on the inner bottom surface of the detection box (1);

the drain pipe (84) is arranged on the side wall of the detection box (1) opposite to the lowest position of the flow guide block (82), one end of the drain pipe (84) is communicated with the detection box (1), and a gate valve is arranged at the other end of the drain pipe (84).