CN214584113U - Sampling device for food sample detection - Google Patents
Sampling device for food sample detection Download PDFInfo
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- CN214584113U CN214584113U CN202120994398.0U CN202120994398U CN214584113U CN 214584113 U CN214584113 U CN 214584113U CN 202120994398 U CN202120994398 U CN 202120994398U CN 214584113 U CN214584113 U CN 214584113U
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Abstract
The utility model discloses a sampling device for food sample test belongs to food sampling technical field, including protective housing, protective housing one side is provided with the shape frid, the protective housing middle part is provided with the sample connection, protective housing internally mounted has the conveyer belt, the conveying roller is installed at the conveyer belt both ends, the tip that the roller was rolled in the conveying is provided with the supporting leg, conveyer belt surface mounting has a plurality of parallel arrangement's baffle, the sample box is installed to protective housing one side, square through hole has been seted up to sample box one side, sample box internally mounted has sampling mechanism. The utility model discloses a set up sampling mechanism, realize orderly, random and quick taking a sample to food, avoid the subjectivity of artifical sample, reduce the human cost to article are difficult for empting, and the sample is even, accords with the regulation of sampling among the statistics, and the sample of extraction is more representative.
Description
Technical Field
The utility model relates to a food sampling technical field, concretely relates to sampling device is used in food sample detection.
Background
The food refers to various finished products and raw materials for people to eat or drink and the products which are both food and traditional Chinese medicinal materials according to the tradition, but do not include the products for treating. The food has two main effects on human body, namely nutrition function and sensory function, and some foods also have regulating effect. Food safety means that food is non-toxic and harmless, meets the existing nutritional requirements, and does not cause any acute, subacute or chronic harm to human health. The food safety is specially discussed how each party can ensure the food sanitation and the edible safety, reduce the hidden danger of diseases and prevent food poisoning in the steps of food processing, storage, sale and the like. The elimination or reduction of the risks to the life and health of consumers by food safety measures is the core of food safety. In order to guarantee the safety of food, food must be tested, and food testing utilizes the sampling rule in statistics to sample samples from many foods, and then the samples are tested, and the safety of food samples is judged according to certain rules and standards.
When prior art takes a sample to food, utilize the carousel to exert the motive force to food from the food top, extract the sample on the assembly line, complex operation, easily cause the food sample of treating the extraction to take place to empty to the sample is inconvenient.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a sampling device for food sample detection to solve among the prior art because the carousel exerts the food driving force and the food sample that treats the extraction that leads to takes place to empty the problem from the food top.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a sampling device for food sample detection comprises a protective shell, wherein a v-21274; a shaped groove plate is arranged on one side of the protective shell, a sampling port is arranged in the middle of the protective shell, a conveying belt is arranged in the protective shell, conveying roller rollers are arranged at two ends of the conveying belt, supporting legs are arranged at the end parts of the conveying roller rollers, a plurality of parallel baffles are arranged on the surface of the conveying belt, a sampling box body is arranged on one side of the protective shell, a square through hole is formed in one side of the sampling box body, and a sampling mechanism is arranged in the sampling box body;
sampling mechanism includes the thief rod, the thief rod is located inside the sample box, the mid-mounting of thief rod has the connecting axle, the one end of thief rod is passed square through hole and is extended to the external connection and have the hydraulic stem, the output of hydraulic stem is connected with the arc sampling board, one side of thief rod is provided with the cam, one side of cam is provided with servo motor, first connecting block and second connecting block are installed to the bottom of thief rod, damping part is installed to the bottom of first connecting block, reset spring is installed to the bottom of second connecting block.
Further, the end of the conveying roller is provided with a rotating shaft, and the rotating shaft is rotatably connected with the supporting legs through a coupler.
Further, one end of the v-shaped 21274groove plate is connected with one end part of the sampling port, and the v-shaped 21274plate is obliquely arranged.
Furthermore, one end of the connecting shaft is rotatably connected with the sampling rod through a coupler, and the other end of the connecting shaft is rotatably connected with the sampling box body through a coupler.
Furthermore, the first connecting block and the second connecting block are arranged in parallel, and are symmetrically arranged relative to the vertical plane where the connecting shaft is located.
Further, the connecting rod is all installed to reset spring's top and bottom, reset spring passes through the connecting rod and the second connecting block swing joint on top, reset spring passes through the connecting rod and the sample box inner wall fixed connection of bottom.
Furthermore, a driving shaft is installed between the cam and the servo motor, one end of the driving shaft is fixedly connected with a rotor part at the output end of the servo motor, the other end of the driving shaft is fixedly connected with the middle part of the cam, and the cam is rotatably connected with the servo motor through the driving shaft.
Further, the damping part is including supporting a section of thick bamboo, it is inside that the supporting a section of thick bamboo is located the sample box, the inside of supporting a section of thick bamboo is provided with the hydro-cylinder, the bracing piece is installed to the output of hydro-cylinder, the one end of bracing piece is passed the inner wall of supporting a section of thick bamboo and is extended to the external connection and have the movable block, the inside damping liquid that is provided with of supporting a section of thick bamboo, the bracing piece passes through movable block swing joint with first connecting block.
Further, the bottom of a support section of thick bamboo and sample box diapire fixed connection, movable block and first connecting block swing joint.
The embodiment of the utility model provides a have following advantage:
1. by arranging the sampling mechanism, the cam rotates to extrude the sampling rod, so that the head of the sampling rod is deflected upwards, the hydraulic rod at the head of the sampling rod is tilted upwards, the hydraulic pressure is recovered, the arc-shaped sampling plate is returned, the sampling rod and the hydraulic rod are in an inclined state at the moment, the hydraulic rod does not obstruct the transmission of other foods on the conveying belt, meanwhile, the sampling rod extrudes the reset spring through the second connecting block, the reset spring accumulates elastic potential energy, after the convex part of the cam leaves the surface of the sampling rod, the elastic potential energy accumulated by the reset spring is released to push the end part of the sampling rod, so that the sampling rod is restored to the original horizontal position, the ordered, random and quick sampling of the foods is realized, the subjectivity of manual sampling is avoided, the labor cost is reduced on the other hand, the sampling efficiency is higher, and the hydraulic rod is pushed from the lower position of the foods, the gravity center position of the object is pushed, the object is not easy to topple, and only one sample is taken at a time under the combined action of the arc-shaped push plate and the baffle plate, so that the influence on the whole production flow is greatly reduced during sampling, the sampling is uniform, the sampling rule in statistics is met, and the extracted sample is more representative;
2. through setting up damping part, reset spring release elastic potential energy makes the thief rod recover toward the horizontal direction after the cam lobe leaves the thief rod surface, bracing piece downstream this moment, hydro-cylinder shrink bracing piece and damping liquid play effect make this quick return ground bracing piece comparatively slow reseing, the bracing piece slowly resets and stimulates the thief rod head and slowly becomes the level, thereby guarantee that the hydraulic stem can just realize retracting when the thief rod slopes, thereby do not obstruct the normal conveying of food on the conveyer belt, and reduce the collision of thief rod and square through hole, make the stress that the mechanism received reduce, the life-span of being used of extension mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the interior of the protective housing of the present invention;
FIG. 3 is a vertical sectional view of the sampling mechanism of the present invention in a horizontal state;
FIG. 4 is a vertical sectional view of the sampling mechanism of the present invention when tilted;
fig. 5 is a cross-sectional view of the sampling mechanism of the present invention.
In the figure: 1. a protective housing; 2. \ 21274and a groove plate; 3. a sampling port; 4. a conveyor belt; 5. a transfer roller; 6. supporting legs; 7. a baffle plate; 8. a sampling box body; 9. a square through hole; 10. a sampling rod; 11. a connecting shaft; 12. a hydraulic lever; 13. an arc-shaped sampling plate; 14. a cam; 15. a servo motor; 16. a first connection block; 17. a second connecting block; 18. a damping member; 19. a return spring; 20. a connecting rod; 21. a drive shaft; 181. a support cylinder; 182. an oil cylinder; 183. a support bar; 184. a movable block; 185. a damping fluid.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-5 in the specification, the sampling device for food sample detection comprises a protective shell 1, wherein one side of the protective shell 1 is provided with a 21274, a shape groove plate 2 is arranged at the middle part of the protective shell 1 and is provided with a sampling port 3, a conveyor belt 4 is arranged in the protective shell 1, conveying rollers 5 are arranged at two ends of the conveyor belt 4, supporting legs 6 are arranged at the end parts of the conveying rollers 5, a plurality of baffles 7 which are arranged in parallel are arranged on the surface of the conveyor belt 4, a sampling box body 8 is arranged at one side of the protective shell 1, a square through hole 9 is arranged at one side of the sampling box body 8, and a sampling mechanism is arranged in the sampling box body 8;
sampling mechanism includes thief rod 10, thief rod 10 is located 8 insides of sample box, the mid-mounting of thief rod 10 has connecting axle 11, square through hole 9 is passed and extend to external connection has hydraulic stem 12 to the one end of thief rod 10, the output of hydraulic stem 12 is connected with arc sampling plate 13, one side of thief rod 10 is provided with cam 14, one side of cam 14 is provided with servo motor 15, first connecting block 16 and second connecting block 17 are installed to the bottom of thief rod 10, damping part 18 is installed to the bottom of first connecting block 16, reset spring 19 is installed to the bottom of second connecting block 17.
As shown in fig. 1 and 2, the end of the conveying roller 5 is provided with a rotating shaft, and the rotating shaft is rotatably connected with the supporting leg 6 through a coupling, so that the supporting leg 6 is used for supporting the whole conveying belt 4.
As shown in fig. 2, an end of the v-shaped groove plate 2 is connected to an end of the sampling port 3, the v-shaped groove plate 2 is inclined such that the sampled food falls through the inclined v-shaped groove plate 2 to be collected.
As shown in the attached drawing 5, one end of the connecting shaft 11 is rotatably connected with the sampling rod 10 through a coupler, the other end of the connecting shaft 11 is rotatably connected with the sampling box body 8 through a coupler, the position of the sampling rod 10 is fixed by the connecting shaft 11, the center of the sampling rod 10 is unchanged, the two ends of the sampling rod can swing, and sampling is facilitated.
As shown in fig. 3 and 4, the first connecting block 16 and the second connecting block 17 are arranged in parallel, and the first connecting block 16 and the second connecting block 17 are symmetrically arranged about a vertical plane where the connecting shaft 11 is located, so that the positions of the two end portions of the sampling rod 10 can be conveniently changed through the first connecting block and the second connecting block 17, and sampling is facilitated.
As shown in fig. 3 and 4, the top end and the bottom end of the return spring 19 are both provided with a connecting rod 20, the return spring 19 is movably connected with the second connecting block 17 through the connecting rod 20 at the top end, the return spring 19 is fixedly connected with the inner wall of the sampling box body 8 through the connecting rod 20 at the bottom end, and the end of the sampling rod 10 is restored to the original position through the return spring 19 without large deviation.
As shown in fig. 5, a driving shaft 21 is installed between the cam 14 and the servo motor 15, one end of the driving shaft 21 is fixedly connected with a rotor portion at an output end of the servo motor 15, the other end of the driving shaft 21 is fixedly connected with the middle portion of the cam 14, the cam 14 is rotatably connected with the servo motor 15 through the driving shaft 21, the servo motor 15 rotates to drive the driving shaft 21 to rotate, so that the cam 14 rotates, and a convex portion of the cam 14 extrudes an end portion of the sampling rod 10 every rotation to change the position of the sampling rod 10, thereby facilitating sampling.
The real-time scene is specifically as follows: when a sample needs to be extracted from food, the sampling box body 8 is firstly arranged beside the sampling port 3, then the food to be sampled is arranged on a production line and continuously moves forwards along with the production line to enter the protective shell 1 so as to reduce the damage of the external environment to the food, when the food is moved to the position of the sampling port 3, the sampling mechanism plays a role, firstly, the hydraulic rod 12 pushes the arc-shaped sample removing plate to extend into the surface of the conveyor belt 4, because the arc-shaped sampling plate 13 is arranged into an arc shape, the arc-shaped sample removing plate only pushes one food, the food is pushed to the angled trough plate 21274, on the angled trough plate 2, the trough plate 2 automatically and stably slides downwards under the action of gravity, after one food is pushed out, the servo motor 15 rotates to drive the connected cam 14 to rotate, when the cam 14 rotates, the convex part of the cam 14 rotates to the surface of the sampling rod 10, the tail part of the sampling rod 10 is squeezed, and the tail part of the sampling rod 10 is deflected downwards, because the middle part of the sampling rod 10 is provided with the connecting shaft 11, the head part of the sampling rod 10 is enabled to be upwards deviated, so that the hydraulic rod 12 at the head part of the sampling rod 10 is enabled to be upwards tilted, at the moment, hydraulic pressure is recovered, the arc-shaped sampling plate 13 is enabled to return, because the sampling rod 10 and the hydraulic rod 12 are in an inclined state at the moment, the hydraulic rod 12 does not obstruct the transmission of other foods on the conveyor belt 4, meanwhile, the sampling rod 10 extrudes the reset spring 19 through the second connecting block 17, the reset spring 19 accumulates elastic potential energy, after the convex part of the cam 14 leaves the surface of the sampling rod 10, the elastic potential energy accumulated by the reset spring 19 is released, the end part of the sampling rod 10 is pushed, the sampling rod 10 is enabled to return to the original horizontal position, and because the head part of the sampling rod 10 is connected with the damping part 18 through the first connecting block 16, the sampling rod 10 does not reset too quickly, the problem that the transmission of the foods on the conveyor belt 4 is obstructed because the hydraulic rod 12 is horizontal at the original position is avoided, so as to ensure the normal conveying of the food, reduce the collision of the sampling rod 10 and the square through hole 9 and prolong the service life of the mechanism.
Referring to the drawings 3 and 4 in the specification, the sampling device for food sample detection further includes a supporting cylinder 181, the supporting cylinder 181 is located inside the sampling box 8, an oil cylinder 182 is disposed inside the supporting cylinder 181, a supporting rod 183 is mounted at an output end of the oil cylinder 182, one end of the supporting rod 183 penetrates through an inner wall of the supporting cylinder 181 and extends to the outside to be connected with a movable block 184, a damping liquid 185 is disposed inside the supporting cylinder 181, and the supporting rod 183 is movably connected with the first connecting block 16 through the movable block 184, so as to control the reset speed of the sampling rod 10, reduce mechanical collision and ensure normal transmission of food on the conveyor belt 4.
As shown in FIGS. 3 and 4, the bottom end of the supporting cylinder 181 is fixedly connected to the bottom wall of the sampling box 8, and the movable block 184 is movably connected to the first connecting block 16, so that when the head of the sampling rod 10 rotates to drive the first connecting block 16 to change positions, the movable block 184 can pull the supporting rod 183 to ascend to ensure that the supporting rod 183 is connected to the sampling rod 10.
The real-time scene is specifically as follows: after the sampling rod 10 is inclined under the extrusion of the cam 14, the first connecting block 16 at the end of the sampling rod 10 pulls the connecting movable block 184 to rise, the movable block 184 rises to drive the supporting rod to rise, the supporting rod 183 always supports the position of the sampling rod 10, after the convex part of the cam 14 leaves the surface of the sampling rod 10, the return spring 19 releases elastic potential energy to restore the sampling rod 10 to the horizontal direction, at this time, the supporting rod 183 moves downwards, the oil cylinder 182 contracts the supporting rod 183 and the damping liquid 185 acts to enable the supporting rod 183 to restore slowly by fast restoring, the supporting rod 183 restores slowly to pull the head of the sampling rod 10 to become horizontal slowly, thereby ensuring that the hydraulic rod 12 can retract when the sampling rod 10 is inclined, thereby not obstructing the normal conveying of food on the conveyor belt 4, reducing the collision between the sampling rod 10 and the square through hole 9, and reducing the stress on the mechanism, the service life of the mechanism is prolonged.
The utility model discloses use as follows: when a sample needs to be extracted from food, the sampling box body 8 is firstly arranged beside the sampling port 3, then the food to be sampled is arranged on a production line and continuously moves forwards along with the production line to enter the protective shell 1 so as to reduce the damage of the external environment to the food, when the food is moved to the position of the sampling port 3, the sampling mechanism plays a role, firstly, the hydraulic rod 12 pushes the arc-shaped sample removing plate to extend into the surface of the conveyor belt 4, because the arc-shaped sampling plate 13 is arranged into an arc shape, the arc-shaped sample removing plate only pushes one food, the food is pushed to the angled trough plate 21274, on the angled trough plate 2, the trough plate 2 automatically and stably slides downwards under the action of gravity, after one food is pushed out, the servo motor 15 rotates to drive the connected cam 14 to rotate, when the cam 14 rotates, the convex part of the cam 14 rotates to the surface of the sampling rod 10, the tail part of the sampling rod 10 is squeezed, and the tail part of the sampling rod 10 is deflected downwards, because the connecting shaft 11 is installed in the middle of the sampling rod 10, the head of the sampling rod 10 is deflected upwards, so that the hydraulic rod 12 at the head of the sampling rod 10 tilts upwards, the support rod 183 in the damping component 18 connected with the head of the sampling rod 10 supports the position of the sampling rod 10, at the moment, the hydraulic rod 12 is recovered, so that the arc-shaped sampling plate 13 returns, because the sampling rod 10 and the hydraulic rod 12 are in an inclined state, the hydraulic rod 12 does not obstruct the conveying of other foods on the conveyor belt 4, meanwhile, the sampling rod 10 extrudes the return spring 19 through the second connecting block 17, the return spring 19 accumulates elastic potential energy, after the convex part of the cam 14 leaves the surface of the sampling rod 10, the elastic potential energy accumulated by the return spring 19 is released, the end part of the sampling rod 10 is pushed, so that the sampling rod 10 returns to the original horizontal position, the 183 support rod moves downwards, the oil cylinder 182 contracts the support rod 183 and the damping liquid 185 acts to enable the support rod 183 to return quickly, the slow reset of the support bar 183 pulls the head of the sampling bar 10 slowly to level and return to the home position in preparation for the next sample.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Claims (9)
1. The utility model provides a sampling device for food sample detection, includes protective housing (1), its characterized in that: the device is characterized in that one side of the protective shell (1) is provided with a 21274, a shape groove plate (2), the middle part of the protective shell (1) is provided with a sampling port (3), a conveying belt (4) is arranged in the protective shell (1), conveying rollers (5) are arranged at two ends of the conveying belt (4), supporting legs (6) are arranged at the end parts of the conveying rollers (5), a plurality of baffles (7) which are arranged in parallel are arranged on the surface of the conveying belt (4), a sampling box body (8) is arranged at one side of the protective shell (1), a square through hole (9) is formed at one side of the sampling box body (8), and a sampling mechanism is arranged in the sampling box body (8);
sampling mechanism includes thief rod (10), thief rod (10) are located inside sample box (8), the mid-mounting of thief rod (10) has connecting axle (11), square through hole (9) are passed and extend to external connection has hydraulic stem (12) to the one end of thief rod (10), the output of hydraulic stem (12) is connected with arc sampling plate (13), one side of thief rod (10) is provided with cam (14), one side of cam (14) is provided with servo motor (15), first connecting block (16) and second connecting block (17) are installed to the bottom of thief rod (10), damping part (18) are installed to the bottom of first connecting block (16), reset spring (19) are installed to the bottom of second connecting block (17).
2. The sampling device for food sample testing as set forth in claim 1, wherein: the end part of the conveying roller (5) is provided with a rotating shaft, and the rotating shaft is rotatably connected with the supporting legs (6) through a coupler.
3. The sampling device for food sample testing as set forth in claim 1, wherein: one end of the v-shaped groove plate (2) is connected with one end part of the sampling port (3), and the v-shaped groove plate (2) is obliquely arranged.
4. The sampling device for food sample testing as set forth in claim 1, wherein: one end of the connecting shaft (11) is rotatably connected with the sampling rod (10) through a coupler, and the other end of the connecting shaft (11) is rotatably connected with the sampling box body (8) through a coupler.
5. The sampling device for food sample testing as set forth in claim 1, wherein: the first connecting block (16) and the second connecting block (17) are arranged in parallel, and the first connecting block (16) and the second connecting block (17) are symmetrically arranged relative to the vertical plane where the connecting shaft (11) is located.
6. The sampling device for food sample testing as set forth in claim 1, wherein: connecting rod (20) are all installed to the top and the bottom of reset spring (19), reset spring (19) are through connecting rod (20) and the second connecting block (17) swing joint on top, reset spring (19) are through connecting rod (20) and the sample box (8) inner wall fixed connection of bottom.
7. The sampling device for food sample testing as set forth in claim 1, wherein: install drive shaft (21) between cam (14) and servo motor (15), the one end and the servo motor (15) output end rotor portion fixed connection of drive shaft (21), the middle part fixed connection of drive shaft (21) other end and cam (14), cam (14) are connected through drive shaft (21) rotation with servo motor (15).
8. The sampling device for food sample testing as set forth in claim 1, wherein: damping part (18) are including supporting a section of thick bamboo (181), it is inside that a supporting section of thick bamboo (181) is located sample box (8), the inside of a supporting section of thick bamboo (181) is provided with hydro-cylinder (182), bracing piece (183) are installed to the output of hydro-cylinder (182), the inner wall of a supporting section of thick bamboo (181) is passed and is extended to external connection has movable block (184) to the one end of bracing piece (183), it is provided with damping liquid (185) to support a section of thick bamboo (181) inside, bracing piece (183) and first connecting block (16) are through movable block (184) swing joint.
9. The sampling device for food sample testing as set forth in claim 8, wherein: the bottom of a support section of thick bamboo (181) and sample box (8) diapire fixed connection, movable block (184) and first connecting block (16) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994398.0U CN214584113U (en) | 2021-05-11 | 2021-05-11 | Sampling device for food sample detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994398.0U CN214584113U (en) | 2021-05-11 | 2021-05-11 | Sampling device for food sample detection |
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| Publication Number | Publication Date |
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| CN214584113U true CN214584113U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120994398.0U Expired - Fee Related CN214584113U (en) | 2021-05-11 | 2021-05-11 | Sampling device for food sample detection |
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| CN (1) | CN214584113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684507A (en) * | 2022-10-26 | 2023-02-03 | 深圳市赛泰诺生物技术有限公司 | Intelligent AI system and intelligent AI all-in-one machine for pesticide and heavy metal rapid detection |
-
2021
- 2021-05-11 CN CN202120994398.0U patent/CN214584113U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684507A (en) * | 2022-10-26 | 2023-02-03 | 深圳市赛泰诺生物技术有限公司 | Intelligent AI system and intelligent AI all-in-one machine for pesticide and heavy metal rapid detection |
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Granted publication date: 20211102 |