CN116413460A - Automatic solution analysis device - Google Patents
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/025—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a carousel or turntable for reaction cells or cuvettes
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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- G—PHYSICS
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- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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Abstract
The application discloses an automatic solution analysis device, which comprises a detection container circulating and conveying device, a sample processing device, an analysis and detection device, a detection container replacement device and the like, wherein the detection container circulating and conveying device is used for circulating and conveying a detection container among the sample processing device, the analysis and detection device and the detection container replacement device according to a set stop period; the sample processing device is used for carrying out corresponding processing on the sample solution according to the identified sample information; the analysis and detection device is used for analyzing and detecting the sample solution in the detection container; the detection container replacement device is used for placing a new detection container on the detection container circulating and conveying device and replacing the detection container from the detection container circulating and conveying device; and in the same stop period, the sample processing device, the analysis and detection device and the detection container replacement device finish corresponding operations. The method and the device improve the automation degree and the detection efficiency of detection, and reduce the detection cost and the error rate.
Description
Technical Field
The present application relates to the field of solution analysis technology, and in particular, to an automatic solution analysis device.
Background
At present, industries such as hydrometallurgy and chemical industry need to detect process material components in time, and the method has important significance in timely and reasonably optimizing operation guidance, improving the utilization rate of mineral resources, improving the product quality, improving the production efficiency, reducing the yield of solid waste, reducing environmental pollution and the like by monitoring the actual fluctuation conditions of variable factors such as feed liquid components, flow and the like and grasping the influence of different fluctuation ranges on the product quality.
In the industrial process control of hydrometallurgy, chemical industry and the like, sampling and detection are needed to be carried out on materials at different points in a production section, the methods for processing the samples at different points according to the solution characteristics are different, and the indexes for detecting the processed solution are different from the analytical methods. The detection of the material components in the wet metallurgy, chemical industry and other industries mostly depends on site sampling and laboratory analysis. The laboratory first performs dilution, filtration, etc. on the sample, and then performs manual titration or colorimetric analysis. Or detect the sample after handling through semi-automatization's instrument, place the sample after handling on the sample dish, different sample positions have fixed serial number on the sample dish, input the sample information that different sample positions correspond in information system, then snatch the sample bottle through the arm and go on testing to the detection position, can only test a sample at every turn, test in proper order until accomplish the sample test on the sample dish, so, current process material composition check out test equipment detects singlely, need the human intervention link to be many, the error rate is high, when the sample volume that needs the analysis is big, working strength is high, the human cost is high, detection efficiency is low.
Disclosure of Invention
The embodiment of the application provides a solution automatic analysis device to solve the technical problems of the manual intervention link of current process material component detection equipment, high error rate, high working strength, high labor cost and low detection efficiency.
The technical scheme adopted by the application is as follows:
an automatic solution analysis apparatus comprising a sample supply apparatus for supplying a sample solution through a sample container, characterized by further comprising: a detection container circulating and conveying device, a sample processing device, an analysis and detection device and a detection container replacement device,
the detection container circulating and conveying device is used for sequentially and circularly conveying the detection containers for containing the sample solution among the sample processing device, the analysis and detection device and the detection container replacement device according to a set stop period;
the sample processing device is used for correspondingly processing and transferring the sample solution in the sample container according to the identified sample information;
the analysis and detection device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for analyzing and detecting the sample solution in the detection container on the detection container circulating and conveying device;
The detection container replacement device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for placing a new detection container on the detection container circulating and conveying device and replacing the detection container which is detected from the detection container circulating and conveying device after the analysis and detection device finishes analysis and detection;
and in the same stop period, the sample processing device, the analysis and detection device and the detection container replacement device finish corresponding operations.
Further, the sample container is provided with a tag/label associated with the sample information.
Further, the inspection container circulation conveyor includes:
the second turntable is arranged on the fixed seat in a gap rotation manner, and a plurality of groups of detection container placement holes matched with the sample processing device, the analysis detection device and the detection container replacement device in number are arranged on the second turntable, wherein the number of each group of detection container placement holes is consistent;
or,
the inspection container circulation conveyor includes:
the circulating conveyor belt is arranged on the fixing seat in a gap rotating way, and a plurality of groups of detection container placing holes matched with the number of the sample processing devices, the analysis detection devices and the detection container replacement devices are arranged on the circulating conveyor belt, wherein the number of the detection container placing holes in each group is consistent.
Further, the sample processing device comprises:
sample solution transferring means provided on the base for transferring the sample solution from the sample container of the sample supplying means to the detection container of the detection container circulating and conveying means;
the sample information acquisition module is used for identifying a sample label/identifier which is associated with sample information on the sample supply device and acquiring the sample information;
and the solution processing device is in signal connection with the sample information acquisition module and is used for correspondingly processing the sample solution in the sample container according to the identified sample information.
Further, the sample solution transfer apparatus includes:
the first lifting mechanism is used for providing linear lifting output;
a first rotary drive mechanism for providing a circumferential rotary output;
and the rear end of the first mechanical arm is in driving connection with the first lifting mechanism and the first rotary driving mechanism.
Further, the solution treatment apparatus includes:
the constant volume metering module is arranged on the sample solution transferring device and is used for extracting the sample solution in the sample container according to the set volume and injecting the sample solution into the detection container on the detection container circulating and conveying device.
Further, the constant volume metering module includes:
the liquid level measuring device comprises a sampling needle, a liquid level measuring device and a negative pressure generating device, wherein the sampling needle is arranged on the sample solution transferring device, and the negative pressure generating device is sequentially connected with the liquid level measuring device and the sampling needle through pipelines.
Further, the solution treatment apparatus further includes a solution dilution apparatus including:
and the dilution pump is used for diluting the sample solution by a preset amount according to the sample information.
Further, the solution treatment apparatus further includes:
and the filtering device is used for filtering the sample solution before transferring the sample solution from the sample container of the sample supply device to the detection container on the detection container circulating and conveying device.
Further, the analysis and detection apparatus includes:
the second lifting mechanism is used for providing linear lifting output;
a second rotary drive mechanism for providing a circumferential rotary output;
the rear end of the second mechanical arm is in driving connection with the second lifting mechanism and the second rotary driving mechanism;
the detection modules are arranged at the front ends of the second mechanical arms through detection module mounting seats and are used for analyzing and detecting samples in the detection containers.
Further, the test container replacing device includes:
a detection container supply device arranged on the base for storing and providing a new detection container;
the waste detection container collecting device is used for collecting the detection container for which the detection is finished;
and the detection container grabbing and conveying device is arranged on the base and is used for grabbing a new detection container from the detection container supply device and conveying the new detection container to the detection container circulating and conveying device, and grabbing the detection container which is detected from the detection container circulating and conveying device and conveying the detection container to the waste detection container collecting device.
Further, the inspection container handling apparatus includes:
the third lifting mechanism is used for providing linear lifting output;
a third rotary drive mechanism for providing a circumferential rotary output;
and the rear end of the third mechanical arm is in driving connection with the third lifting mechanism and the third rotary driving mechanism, and the front end of the third mechanical arm is provided with a grabbing device for grabbing the detection container.
Further, the detecting container gripping device further includes:
the detection container sensing device is arranged at the front end of the third mechanical arm and is used for detecting whether the detection container exists before the grabbing device grabs on the detection container circulating and conveying device or the detection container feeding device, and if the detection container exists, the grabbing device is driven to execute corresponding grabbing actions.
Further, the inspection container supply device includes:
the detection container storage tank is fixedly arranged on the base and used for storing detection containers, a storage tank cover is arranged at the outlet of the detection container storage tank, and a plurality of elastic sheets used for separating the detection containers are arranged on the inner side of the storage tank cover;
the ejection mechanism is fixedly arranged on the base and used for sequentially ejecting the detection containers upwards from the storage tank of the detection container.
Further, the ejection mechanism comprises a linear guide rail, a driving mechanism and an ejection sliding block, wherein the ejection sliding block slides on the linear guide rail under the driving of the driving mechanism, and guides the ejection sliding block to move upwards to eject the detection container upwards from the storage tank of the detection container in sequence.
Compared with the prior art, the application has the following beneficial effects:
the application provides an automatic analysis device of solution, including providing the sample feeding device of sample solution through the sample vessel, still include: the detection container circulating and conveying device is used for sequentially and circularly conveying the detection containers for containing the sample solution among the sample processing device, the analysis and detection device and the detection container replacement device according to a set stop period; the sample processing device is used for correspondingly processing and transferring the sample solution in the sample container according to the identified sample information; the analysis and detection device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for analyzing and detecting the sample solution in the detection container on the detection container circulating and conveying device; the detection container replacement device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for placing a new detection container on the detection container circulating and conveying device and replacing the detection container which is detected from the detection container circulating and conveying device after the analysis and detection device finishes analysis and detection; and in the same stop period, the sample processing device, the analysis and detection device and the detection container replacement device finish corresponding operations. According to the method and the device, the automation level of laboratory detection is greatly improved, and corresponding treatment and analysis can be automatically carried out on different sample solutions according to sample information only by pouring the samples into corresponding sample containers by operators, so that the influence factors of personnel operation analysis on test results are eliminated, and the reliability and the automation degree of detection are improved. The sample processing device, the analysis and detection device and the detection container replacement device can work simultaneously, the number of test staff is reduced, the cost of staff is reduced, and meanwhile, the sample analysis efficiency can be improved. In addition, the number of the detection containers can be reasonably configured according to the operation time of the sample processing device, the analysis detection device and the detection container replacement device, so that the invalid waiting time is reduced, the essence of lean production is integrated, each step of the whole detection process is smooth and free from backlog, and the working efficiency in the automatic analysis process is improved to the greatest extent. The error rate is low, the degree of automation is high, and when the sample quantity to be analyzed is large, the working strength and the labor cost can be greatly reduced, and the detection efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
fig. 1 is a schematic perspective view of an automatic solution analysis apparatus according to a preferred embodiment of the present application.
Fig. 2 is a perspective view of another view of the automatic solution analyzing apparatus according to the preferred embodiment of the present application.
Fig. 3 is a perspective view of another view of the automatic solution analyzing apparatus according to the preferred embodiment of the present application.
Fig. 4 is a schematic perspective view of a sample processing device according to a preferred embodiment of the present application.
Fig. 5 is a perspective view of another perspective of a sample processing device according to a preferred embodiment of the present application.
FIG. 6 is a schematic front view of a sample processing device according to a preferred embodiment of the present application.
Fig. 7 is a schematic diagram of a constant volume metering module according to a preferred embodiment of the present application.
Fig. 8 is a schematic perspective view of a test container displacement device according to a preferred embodiment of the present application.
Fig. 9 is another angular perspective view of a test receptacle replacement device according to a preferred embodiment of the present application.
Fig. 10 is a schematic front view of a test container displacement device according to a preferred embodiment of the present application.
FIG. 11 is another angular perspective view of a test receptacle replacement device according to a preferred embodiment of the present application (without a test receptacle reservoir).
Fig. 12 is another angular perspective view (partial) of a test receptacle replacement device according to a preferred embodiment of the present application.
Fig. 13 is a schematic top view (partial) of a test receptacle replacement device according to a preferred embodiment of the present application.
Fig. 14 is a schematic view of the spring assembly of the preferred embodiment of the present application.
Fig. 15 is a schematic perspective view (partial) of an analysis and detection apparatus according to a preferred embodiment of the present application.
In the figure: 1. a base; 2. a first lifting mechanism; 3. a first rotary drive mechanism; 4. a cleaning position fixing seat; 5. a sampling needle cleaning device; 6. a cleaning tank; 7. a detection module cleaning device; 8. a detection module mounting seat; 9. a detection module; 10. a second mechanical arm; 11. a second turntable; 12. a detection container; 13. a first mechanical arm; 14. a slideway; 15. a third mechanical arm; 16. detecting a container induction device; 17. a gripping device; 18. a detection container supply device; 19. a sample container; 20. a lightening hole; 21. a first turntable; 22. a fixing seat; 23. detecting a container storage tank; 24. a linear guide rail; 25. ejecting a screw rod; 26. an ejector motor; 27. a second rotary drive mechanism; 28. a second lifting mechanism; 29. a first lifting motor; 30. a first lifting slide block; 31. a synchronous belt; 32. a first bracket; 33. a first rotary active synchronizing wheel; 34. a first rotation sensing device; 35. a first rotationally driven synchronizing wheel; 36. a sampling needle; 37. a detection electrode; 38. a first guide bar; 39. a first screw rod; 40. a first rotating electric machine; 41. a first rotary positioning disk; 42. a first lifting active synchronous wheel; 43. a first lifting driven synchronous wheel; 44. a first liquid level sensor; 45. a second liquid level sensor; 46. an air pump; 47. a first electromagnetic valve; 48. a pressure detection device; 49. a negative pressure generating device; 50. a first liquid level indication; 51. a second level indication; 52. sample level; 53. a second electromagnetic valve; 54. a dilution pump; 55. a mounting base; 56. ejecting the sliding block; 57. a storage slot cover; 58. a third rotation sensing device; 59. an upper limit device; 60. a third lifting limiting device; 61. a third rotary electric machine; 62. a third bracket; 63. a third lifting slide block; 64. a third lifting motor; 65. a third screw rod; 66. a third guide bar; 67. a lower barrel adaptor; 68. a barrel upper adaptor; 69. a third rotationally driven synchronizing wheel; 70. a third rotary active synchronizing wheel; 71. a third lifting active synchronous wheel; 72. a third lifting driven synchronous wheel; 73. a third rotary positioning disk; 74. a spring plate; 75. a first lifting limiting device; 76. a second rotary positioning disk; 77. a second rotationally driven synchronizing wheel; 78. a second guide bar; 79. a second lifting slide block; 80. a second lifting driven synchronous wheel; 81. a second screw rod; 82. a second bracket; 83. a second lifting motor; 84. a second lifting limiting device; 85. a second rotating electric machine; 86. a second rotary active synchronizing wheel; 87. a second rotation sensing device; 88. a third rotary drive mechanism; 89. and a third lifting mechanism.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, a preferred embodiment of the present application provides an automatic solution analyzing apparatus comprising a sample supply means for supplying a sample solution through a sample container 19, a detection container circulation transfer means for circulating a detection container 12 for containing the sample solution in a set order between the sample processing means, the analysis detection means, the detection container replacement means according to a set rest period, a sample processing means, an analysis detection means, a detection container replacement means; the sample processing device is used for correspondingly processing and transferring the sample solution in the sample container according to the identified sample information; the analysis and detection device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for analyzing and detecting the sample solution in the detection container 12 on the detection container circulating and conveying device; the detection container replacement device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for placing a new detection container 12 on the detection container circulating and conveying device and replacing the detection container which is detected from the detection container circulating and conveying device after the analysis and detection device finishes analysis and detection; and in the same stop period, the sample processing device, the analysis and detection device and the detection container replacement device finish corresponding operations.
The embodiment provides an automatic solution analysis device, which comprises a sample supply device for supplying a sample solution through a sample container 19, a detection container circulating and conveying device, a sample processing device, an analysis and detection device and a detection container replacement device, wherein the detection container circulating and conveying device is used for sequentially and circularly conveying a detection container for containing the sample solution among the sample processing device, the analysis and detection device and the detection container replacement device according to a set stop period and a set sequence; the sample processing device is used for correspondingly processing and transferring the sample solution in the sample container according to the identified sample information; the analysis and detection device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for analyzing and detecting the sample solution in the detection container 12 on the detection container circulating and conveying device; the detection container replacement device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for placing a new detection container on the detection container circulating and conveying device and replacing the detection container 12 which is detected from the detection container circulating and conveying device after the analysis and detection device finishes analysis and detection; and in the same stop period, the sample processing device, the analysis and detection device and the detection container replacement device finish corresponding operations. The automatic solution analysis device of the embodiment greatly improves the automation level of laboratory detection, and can automatically process and analyze different sample solutions according to sample information only by pouring the samples into the corresponding sample containers 19 by operators, thereby eliminating the influence factors of personnel operation analysis on the test results and improving the reliability and the automation degree of detection. The sample processing device, the analysis and detection device and the detection container replacement device can work simultaneously, the number of test staff is reduced, the cost of staff is reduced, and meanwhile, the sample analysis efficiency can be improved. In addition, the number of the detection containers can be reasonably configured according to the operation time of the sample processing device, the analysis detection device and the detection container replacement device, so that the invalid waiting time is reduced, namely, each step of the whole detection process is smooth and has no backlog by being integrated with essence of lean production, and the working efficiency in the automatic analysis process is improved to the greatest extent. The embodiment has low error rate and high automation degree, and can greatly reduce the working strength and the labor cost and improve the detection efficiency when the sample quantity to be analyzed is large.
As shown in fig. 1 to 3, in the preferred embodiment of the present application, the sample supply device includes a first turntable 21, the first turntable 21 is rotatably disposed on a fixed seat 22 with a gap, a plurality of container placement holes for placing the sample containers 19 are provided on the first turntable 21, and in addition, weight reducing holes 20 are provided on the first turntable 21 for reducing weight.
In this embodiment, the sample supply device includes a first turntable 21, where the first turntable 21 is rotatably disposed on the fixed seat 22 by a motor driven lower gap, a plurality of container placement holes for placing the sample containers 19 are provided on the first turntable 21, before detection, operators inject different sample solutions into the corresponding sample containers 19, and the first turntable 21 drives each sample container 19 to rotate according to a set direction, speed and gap period, so that the sample processing device performs corresponding processing and transferring on the sample solutions in the sample containers according to the identified sample information. In order to reduce the weight and material cost of the first turntable 21, a plurality of weight reducing holes 20 are further formed in the first turntable 21. The embodiment adopts the rotary table as the sample feeding device, and the reliable feeding of the samples can be realized through the circular rotation of the first rotary table 21, and the embodiment has the advantages of simple structure, convenient processing and low cost.
In the preferred embodiment of the present application, the sample supply means comprises a reciprocating linear conveyor belt movably disposed on the fixed base 22 with a plurality of container placement holes for placing the sample containers 19.
In this embodiment, the sample supply device includes a reciprocating linear conveyor belt, where the reciprocating linear conveyor belt is driven by a motor to reciprocate along a straight line on the fixing seat 22, a plurality of container placement holes for placing the sample containers 19 are provided on the reciprocating linear conveyor belt along the straight line direction, before detection, operators inject different sample solutions into the corresponding sample containers 19, and the reciprocating linear conveyor belt drives each sample container 19 to linearly move according to a set direction, speed and gap period, so that the sample processing device processes and transfers the sample solutions in the sample containers according to the identified sample information. The embodiment has simple structure, small occupied area and convenient control.
In the preferred embodiment of the present application, the sample supply means comprises an endless conveyor belt rotatably mounted on the holder 22 with a gap, said endless conveyor belt being provided with a plurality of container placement holes for placing the sample containers 19.
In this embodiment, the sample supply device includes a circulating conveyor belt, where the circulating conveyor belt is driven by a motor and is circularly movably disposed on the fixing seat 22 along an annular path, a plurality of container placement holes for placing the sample containers 19 are disposed on the circulating conveyor belt along the annular path, before detection, operators inject different sample solutions into the corresponding sample containers 19, and the circulating conveyor belt drives each sample container 19 to move periodically according to the annular path, speed and gap, so that the sample processing device processes and transfers the sample solutions in the sample containers according to the identified sample information. The circulating conveyor belt of the embodiment is convenient to purchase and install, high in standardization degree and convenient to control.
In a preferred embodiment of the present application, the sample container 19 is provided with a tag/label associated with the sample information. For different sample solutions, different treatments are often needed before detection, such as quantitative extraction of some sample solutions before detection, quantitative dilution of some sample solutions before detection, filtering treatment of some sample solutions before detection, and addition of additives, such as flocculant, before detection. Some sample solutions require at least two or more treatments such as quantitative dilution, additive addition, filtration, etc., in addition to quantitative extraction prior to detection. In particular, what kind of processing method is adopted needs to be based on sample information, in order to facilitate the sample processing device to automatically process a sample solution according to the identified sample information, in this embodiment, a label/identifier associated with the sample information is provided on the sample container 19, and by reading the label/identifier provided on the sample container 19, the sample information of the sample solution in the sample container 19, such as a sample name, a detection parameter, a sample parameter, a sampling time, etc., can be quickly obtained, so that necessary control parameters are provided for a subsequent processing and analysis strategy of the sample solution.
In a preferred embodiment of the present application, the sample tag/label is an RFID digital tag, a two-dimensional code or a one-dimensional code, position information of the sample container 19, shape or color of the sample container 19.
In this embodiment, the label/identifier associated with the sample information may be various, such as an RFID digital label, a two-dimensional code or a one-dimensional code, or may be position information of the sample container 19, shape or color of the sample container 19, and by implementing convention of associating different shapes or colors of the position information with corresponding sample information, the sample information of the sample solution in the sample container 19, such as a sample name, a detection parameter, a sample parameter, a sampling time, etc., can be quickly identified by the position information of the sample container 19, and thus, necessary control parameters are provided for subsequent sample solution sample processing and analysis strategies, so that other modes capable of conveniently identifying the sample information of the sample solution in the sample container 19 can be set by a person skilled in the art according to needs, and the mode is not limited and will not be repeated herein.
As shown in fig. 1 to 3, in a preferred embodiment of the present application, the detecting container circulating conveyor includes a second turntable 11, the second turntable 11 is rotatably disposed on the fixing base 22 at a gap, and a plurality of groups of detecting container placement holes matched with the numbers of the sample processing device, the analysis detecting device and the detecting container replacing device are disposed on the second turntable 11, wherein the numbers of the detecting container placement holes in each group are consistent. The time of each group of samples processed by the sample processing device is close to or equal to the single analysis time of the analysis and detection device to maximize the utilization time, so that the waiting time of a gap between each group of analysis is minimum, and the analysis efficiency of the analysis and detection device is improved by reasonably arranging the positions and the number of the detection containers on the detection container circulating and conveying device; further, three groups of detection container placement holes matched with the numbers of the sample processing device, the analysis detection device and the detection container replacement device are uniformly formed on the second turntable 11 around the rotation center at an included angle of 120 degrees, wherein the number of each group of detection container placement holes is identical, and the number of each group of detection container placement holes is four. In addition, in order to reduce the dead weight, the second turntable 11 is further provided with a weight reducing hole 20.
In this embodiment, the detecting container circulating and conveying device includes a second turntable 11, the second turntable 11 is rotatably disposed on the fixing seat 22 by a motor driving lower gap, three groups of detecting container placement holes matching the numbers of the sample processing device, the analysis detecting device and the detecting container replacing device are uniformly disposed on the second turntable 11 around the rotation center at 120 degrees, wherein the number of each group of detecting container placement holes is four, and in the detecting process, when the second turntable 11 is in a stop period, the following three groups of operations are completed:
the sample processing device carries out corresponding processing and transfer on the sample solution in the sample container according to the identified sample information, so as to realize the processing before analysis and detection of the sample solution in the detection container 12 in the first group of detection container placing holes; the analysis and detection device performs analysis and detection on the sample solution in the detection container 12 positioned in the second group of detection container placement holes; meanwhile, the detecting container replacing means places a new detecting container 12 into the third group of detecting container placing holes, and after the analyzing detecting means completes the analysis and detection, the detecting container which completes the detection is replaced from the third group of detecting container placing holes. In this embodiment, the number of the placement holes of each group of detection containers may be adjusted as required, and is not limited to four, and the number may be determined by the detection time of the analysis detection device, so as to ensure balance of the whole detection process, avoid invalid waiting, and under the condition that the detection time of the analysis detection device is certain, combine the operation speeds of the sample processing device and the detection container replacement device to perform comprehensive setting, where the setting is: in the process of detecting by the analysis and detection device, the sample processing device and the detection container replacement device can continuously operate, after the analysis and detection device finishes detection, the sample processing device and the detection container replacement device can also finish sample processing and detection container replacement operation, in the embodiment, the detection time of the analysis and detection device for finishing four sample solutions, the detection time of the sample processing device for finishing four sample solutions and the detection container replacement time of the detection container replacement device are approximately the same, so that the detection of the sample solutions, the treatment of the sample solutions and the balance of the replacement process of the detection container are ensured, invalid waiting is avoided, the high efficiency of the whole automatic detection process is ensured, and the lean production target of the detection process is realized. In addition, in order to reduce the dead weight and the material cost of the second turntable 11, a plurality of lightening holes 20 are further formed in the second turntable 11. The rotary table is adopted for detecting the container circulation conveying, the circulation conveying of the detecting container can be realized through the circulation rotation of the second rotary table 11, and the rotary table is simple in structure, convenient to process and low in cost.
In the preferred embodiment of the present application, the detecting container circulating conveyor device includes a circulating conveyor belt, the circulating conveyor belt is rotatably disposed on the fixing base 22 in a gap, and three groups of detecting container placement holes matched with the numbers of the sample processing device, the analysis detecting device and the detecting container replacing device are disposed on the circulating conveyor belt, wherein the numbers of the detecting container placement holes in each group are identical, and the number of the detecting container placement holes in each group is four.
Unlike the above-described embodiment, the circulating conveyor belt used in the detecting container circulating conveyor apparatus of this embodiment, that is, the circulating conveyor belt realizes the circulating conveying of the detecting container, is convenient to purchase and install, has a high degree of standardization, and is convenient to control.
As shown in fig. 4 to 6, in a preferred embodiment of the present application, the sample processing device includes a sample solution transfer device, a sample information acquisition module, and a solution processing device, the sample solution transfer device being disposed on the base 1 for transferring a sample solution from a sample container 19 of the sample supply device to a detection container 12 of the detection container circulation conveyor; the sample information acquisition module is used for identifying a sample label/mark which is associated with sample information on the sample supply device and acquiring the sample information; the solution processing device is in signal connection with the sample information acquisition module and is used for correspondingly processing the sample solution in the sample container 19 according to the identified sample information.
The sample processing device of the embodiment comprises a sample solution transferring device, a sample information acquisition module and a solution processing device, wherein the sample solution transferring device is arranged on a base 1 and is used for transferring a sample solution from a sample container 19 of a sample supply device to a detection container 12 of a detection container circulating and conveying device; the sample information acquisition module is used for identifying a sample label/identifier which is associated with sample information on the sample supply device, and acquiring the sample information, and can adopt a code reader, a pattern identification module and the like; the solution processing device is in signal connection with the sample information acquisition module and is used for correspondingly processing the sample solution in the sample container 19 according to the identified sample information. In the embodiment, the sample solution is transferred through the sample solution transferring device in the detection process, meanwhile, the sample information acquisition and corresponding treatment of the sample solution can be realized through the sample information acquisition module and the solution treatment device, the specific type of treatment is determined by the sample information, and the treatment methods of quantitative extraction, quantitative dilution, filtration and the like are included.
As shown in fig. 1, 4, 5 and 6, in a preferred embodiment of the present application, the sample solution transferring apparatus includes a first lifting mechanism 2 for providing a linear lifting output, a first rotation driving mechanism 3 for providing a circumferential rotation output, and a first mechanical arm 13, and a rear end of the first mechanical arm 13 is drivingly connected to the first lifting mechanism 2 and the first rotation driving mechanism 3.
In this embodiment, the sample solution transferring device includes a first lifting mechanism 2, a first rotation driving mechanism 3, and a first mechanical arm 13, where the first mechanical arm 13 can complete up-down lifting and rotation actions under the action of the first lifting mechanism 2 and the first rotation driving mechanism 3, and the lifting height and rotation angle of the first mechanical arm 13 can be controlled as required in the operation process, so as to flexibly and reliably realize quantitative suction and accurate transfer of the sample solution.
Specifically, the first lifting mechanism 2 includes a first bracket 32, a first guide rod 38, a first screw rod 39, a first lifting motor 29, and a first lifting slider 30, where the first bracket 32 is fixedly disposed on the base 1, the first guide rod 38 is vertically fixed on the first bracket 32, the first screw rod 39 is rotationally disposed on the first bracket 32 parallel to the first guide rod 38, the first lifting motor 29 is fixedly disposed on the first bracket 32, and an output shaft thereof is in driving connection with the first screw rod 39 through a transmission mechanism; the transmission mechanism comprises a first lifting driven synchronizing wheel 43 and a first lifting driving synchronizing wheel 42 which are respectively arranged at the end part of the first screw rod 39 and the output shaft of the first lifting motor 29, and a synchronous belt 31 which is connected and arranged between the first lifting driven synchronizing wheel 43 and the first lifting driving synchronizing wheel 42, and the transmission mechanism adopts a belt wheel transmission mode, has the advantages of simple structure, low cost, reliable transmission, convenient maintenance and low noise, and can also adopt other transmission modes, such as a gear transmission mode, a V-belt transmission mode, a chain wheel transmission mode and the like, so that a person skilled in the art can correspondingly select according to actual needs. In the lifting process, the first lifting motor 29 drives the first screw rod 39 to rotate, so that the first lifting slide block 30 is driven to move up and down along the first guide rod 38 to reach a designated height, and the first lifting slide block 30 is simultaneously connected with the rear end of the first mechanical arm 13 in a rotating way through a bearing, so that the first lifting slide block 30 is driven to move up and down along the first guide rod 38, and simultaneously the first mechanical arm 13 is driven to move up and down, so that the first mechanical arm 13 can be accurately lifted to a preset height and reliably locked, and the accuracy, stability, reliability and self-locking performance of the action of the first mechanical arm 13 are ensured. In addition, the first lifting mechanism 2 further includes a first lifting limiting device 75, which is disposed on the first support 32 and is used for limiting the lifting limit position of the first lifting slider 30, when the first lifting slider 30 is lifted to the limit position, the first lifting limiting device 75 is triggered to send a corresponding signal, at this time, the related control system sends an instruction to the first lifting motor 29 according to the signal, so that the first lifting motor 29 stops rotating, and overload damage of the motor after the first lifting slider 30 is in place is avoided.
The first rotation driving mechanism 3 includes a first rotation motor 40, a first rotation driven synchronizing wheel 35, and a first rotation driving synchronizing wheel 33, where the first rotation motor 40 is fixedly disposed on the first support 32 and the output shaft thereof is connected to the first rotation driving synchronizing wheel 33, the first rotation driven synchronizing wheel 35 is rotatably disposed on the first support 32 and is in driving connection with the first rotation driving synchronizing wheel 33 through the synchronous belt 31, a rotation driving hole capable of axially sliding along the rear end of the first mechanical arm 13 and driving the rear end of the first mechanical arm 13 to rotate is disposed at the center of the first rotation driven synchronizing wheel 35, and the rotation driving hole is a polygonal hole or a spline hole, and at this time, the first mechanical arm 13 can be lifted up and down under the driving of the first lifting slider 30, and the first rotation driving synchronizing wheel 33 and the synchronous belt 31 can drive the first rotation driven synchronizing wheel 35 to rotate synchronously through the rotation driving hole, so that lifting and rotation actions can be sequentially performed, and high efficiency of the first mechanical arm 13 can be ensured. In addition, the rotation driving mechanism further comprises a rotation limiting device, the rotation limiting device comprises a first rotation positioning disc 41 and a first rotation sensing device 34, the first rotation positioning disc 41 is fixedly arranged on the first rotation driven synchronous wheel 35, the first rotation sensing device 34 is arranged on the first bracket 32 and used for sensing the rotation position of the first rotation positioning disc 41, a plurality of hollowed holes are formed in the first rotation positioning disc 41 at intervals along the circumferential direction, the first rotation sensing device 34 can adopt a Hall sensor and the like, when the first rotation positioning disc 41 rotates to enable the hollowed holes to be opposite to the first rotation sensing device 34, the first rotation sensing device 34 sends out a signal, and a corresponding control system controls the first rotation motor 40 to stop rotating, so that the first mechanical arm 13 stays at the current rotation position, the rotation position of the first mechanical arm 13 is accurately limited, and overload of the motor is avoided when the first mechanical arm 13 rotates in place in the operation process.
In a preferred embodiment of the present application, the solution processing apparatus includes a constant volume metering module disposed on the sample solution transfer apparatus for drawing and injecting the sample solution in the sample container 19 into the detection container 12 on the detection container circulation conveyor at a set volume.
Specifically, as shown in fig. 7, the constant volume metering module includes a sampling needle 36, a liquid level metering device, and a negative pressure generating device 49, the sampling needle 36 is disposed on the sample solution transferring device, the negative pressure generating device 49 is sequentially connected with the liquid level metering device and the sampling needle 36 through a pipeline, the liquid level metering device includes a first liquid level sensor 44 and a second liquid level sensor 45, and a first liquid level indication 50 and a second liquid level indication 51 are respectively provided to realize metering detection of two fixed liquid levels, so as to ensure quantitative extraction of the sample solution. As a preferred embodiment, the constant volume metering module further includes a pressure detecting device 48, where the pressure detecting device 48 is disposed on a pipeline between the negative pressure generating device 49 and the liquid level metering device, and is used for detecting the depth of the sampling needle 36 inserted into the sample solution, so as to ensure that the sampling needle contacts as little sample solution as possible on the premise that the sampling needle can absorb a sufficient amount of sample solution, and facilitate cleaning of the sampling needle.
In the above embodiment, the solution processing apparatus includes a constant volume metering module, which is mainly used for extracting the sample solution in the sample container 19 according to a set volume and injecting the sample solution into the detection container 12 located on the detection container circulation conveying device, when it is determined that the sample solution needs to be quantitatively extracted before analysis according to the identified sample information, the first mechanical arm 13 is driven by the first lifting mechanism 2 and the first rotation driving mechanism 3 to reach the position of the corresponding sample container 19 on the sample supply device, the first mechanical arm 13 drives the sampling needle 36 to descend to a specified height, the negative pressure generating device 49 is started, so that the sampling needle 36 extracts the sample solution from the sample container 19, when the extracted sample solution reaches a predetermined volume, each liquid level sensor gives out a signal, the negative pressure generating device 49 stops operating, and simultaneously, the first mechanical arm 13 is driven by the first lifting mechanism 2 and the first rotation driving mechanism 3 to reach the position of the corresponding detection container 12 on the detection container circulation conveying device, and then the negative pressure generating device 49 is started, and the quantitatively extracted sample solution is injected into the corresponding detection container 12 to wait for next step analysis.
As a preferred embodiment, the constant volume metering module further includes an air pump 46, the air pump 46 is connected with the sampling needle 36 through the liquid level metering device, and air is introduced through the air pump 46, so that when the liquid in the liquid level metering device and the sampling needle 36 needs to be discharged, the liquid in the liquid level metering device and the sampling needle 36 can be blown out; and when the liquid level measuring device and the sampling needle 36 are cleaned, the discharge of the cleaning liquid can be accelerated, and the cleaning efficiency is improved. Preferably, the air pump 46 is connected to the liquid level gauge, the sampling needle 36, by a first solenoid valve 47.
As shown in fig. 7, in a preferred embodiment of the present application, the solution processing apparatus further includes a solution diluting device including a diluting pump 54, and the diluting pump 28 is configured to dilute the sample solution by a set multiple according to the sample information. Preferably, the dilution pump 54 is connected to the level gauge and the sampling needle 36 by a second solenoid valve 53.
In this embodiment, the solution processing apparatus further includes a solution diluting device including a diluting pump 54 for diluting the sample solution by a set multiple according to the sample information. When the obtained sample information determines that the quantitative dilution treatment is needed to be performed on the sample solution, the quantitative extraction of the sample solution is completed, the dilution pump 54 is started, and the quantitative dilution liquid is extracted to dilute the sample solution by a set multiple. Preferably, the dilution pump 54 is connected with the sampling needle 36 through a liquid level metering device, when the sample solution is diluted by extracting the dilution liquid, the dilution liquid passes through the liquid level metering device and the sampling needle 36, so that the liquid level metering device and the sampling needle 36 can be flushed, the residues of the sample solution in the liquid level metering device and the sampling needle are reduced, the dilution precision is improved, and the accuracy of the detection result is ensured.
As shown in fig. 7, in a preferred embodiment of the present application, the solution diluting device further includes:
the detection electrode 37 is disposed on the sample solution transferring device, for example, disposed at the front end of the first mechanical arm 13 and vertically parallel to the sampling needle 36, and is used for fixing the volume to the lower end position of the detection electrode 37 when the dilution pump 54 is started to quantitatively dilute or add the solution.
In this embodiment, as a measure for quantifying the diluent, the solution diluting device further includes a detection electrode 37, after the sample information is obtained, the system will control the first mechanical arm 13 to drive the detection electrode 37 to reach a specified height above the detection container 12, where the specified height is related to the amount of diluent required for diluting the sample solution in the detection container 12, and in the process of starting the diluent pump 54 and the second electromagnetic valve 53 to inject a certain diluent into the corresponding detection container 12, if the sample liquid level 52 in the detection container 12 reaches the lower end position of the detection electrode 37, the detection electrode 37 sends a signal, and the corresponding control system sends an instruction according to the signal, closes the diluent pump 54, so that the detection electrode 37 has a simple structure and is reliably controlled, and accurate dilution of different dilution multiples of the sample solution is realized according to the sample information.
In addition, only the dilution pump 54 can be used to take a corresponding amount of the dilution liquid according to the sample information to perform quantitative dilution, and the detection electrode 37 can be used to detect the diluted amount (solution volume), so that the accuracy of quantitative dilution is improved, and the quantitative error caused by long-term aging of the dilution pump 54 is avoided.
In a preferred embodiment of the present application, the solution processing apparatus further comprises a filtering means for filtering the sample solution before transferring the sample solution from the sample container 19 of the sample supply means to the detection container 12 on the detection container recycling means.
In this embodiment, the solution processing apparatus further includes a filtering device, which is configured to filter the sample solution, when it is determined that the sample solution needs to be filtered before analysis according to the identified sample information, the system controls the first mechanical arm 13 to drive the sampling needle 36 to firstly extract the sample solution from the sample container 19 of the sample supply device and transfer the sample solution to the filtering device for filtering, so as to filter out related substances therein, and then, the first mechanical arm 13 quantitatively extracts the filtered sample solution and transfers the extracted sample solution to the detection container 12 on the detection container circulation conveying device, if dilution is further needed, the dilution operation is further performed, and the specific process is similar to the quantitative extraction and dilution process described above, which is not repeated herein.
In a preferred embodiment of the present application, the sample processing device further comprises:
the sampling needle cleaning device 5 is arranged on the cleaning position fixing seat 4 and is used for cleaning the sampling needle 36, and comprises a water washing device, an acid washing device or an alkali washing device, the sampling needle cleaning device 5 comprises a cleaning cup, and a waste discharge port and a liquid adding port are arranged on the cleaning cup and are used for realizing automatic liquid adding and automatic waste discharging of distilled water, acid liquor or alkali liquor.
As shown in fig. 1, in this embodiment, the sample processing device further includes a sampling needle cleaning device 5, which mainly cleans the sampling needle 36, such as water washing, acid washing or alkali washing, so as to avoid pollution to the sample solution during subsequent operation, thereby affecting the accuracy and reliability of the analysis result, and the sampling needle cleaning device 5 can automatically feed and discharge waste without manual operation, thereby greatly reducing the labor intensity and health hazard to personnel.
As shown in fig. 3, in a preferred embodiment of the present application, the analysis and detection device includes a second lifting mechanism 28 for providing a linear lifting output, a second rotation driving mechanism 27 for providing a circumferential rotation output, a second mechanical arm 10, and a plurality of detection modules 9, where a rear end of the second mechanical arm 10 is in driving connection with the second lifting mechanism 28 and the second rotation driving mechanism 27; the detection module 9 is arranged at the front end of the second mechanical arm 10 through the detection module mounting seat 8 and is used for analyzing and detecting samples in the detection container 12.
In this embodiment, the analysis and detection device includes a second lifting mechanism 28, a second rotation driving mechanism 27, a second mechanical arm 10, and a plurality of detection modules 9, where the second mechanical arm 10 can complete lifting and rotation actions under the action of the second lifting mechanism 28 and the second rotation driving mechanism 27, and in the operation process, the lifting height and the rotation angle of the second mechanical arm 10 can be controlled as required, so that each detection module 9 can be flexibly and reliably controlled to move to a specified position, and after the detection module descends to the specified height, the sample solution in each detection container 12 can be analyzed and detected.
Specifically, as shown in fig. 15, the second lifting mechanism 28 includes a second bracket 82, a second guide rod 78, a second screw rod 81, a second lifting motor 83, a second lifting slider 79, a second lifting limiting device 84, and a transmission mechanism, where the transmission mechanism includes a second lifting driven synchronizing wheel 80 and a second lifting driving synchronizing wheel respectively disposed at an end of the second screw rod 81 and an output shaft of the second lifting motor 83, and a synchronous belt 31 connected and disposed between the second lifting driven synchronizing wheel 80 and the second lifting driving synchronizing wheel. The connection and the working principle of the components of the second lifting mechanism 28 in this embodiment are similar to those of the components of the first lifting mechanism 2, and will not be described herein.
The second rotation driving mechanism 27 includes a second rotation motor 85, a second rotation driven synchronizing wheel 77, a second rotation driving synchronizing wheel 86, a synchronous belt 31, and a rotation limiting device, where the rotation limiting device includes a second rotation positioning disk 76 and a second rotation sensing device 87, and in this embodiment, the connection relationship and the working principle of each component part of the second rotation driving mechanism 27 are similar to those of each component part of the first rotation driving mechanism 3, and are not described herein again.
As shown in fig. 1, in a preferred embodiment of the present application, the analysis and detection apparatus further includes:
the detection module cleaning device 7 is fixed on the cleaning position fixing seat 4 and is used for cleaning each detection module 9, and comprises water washing, acid washing or alkali washing. The detection module cleaning device 7 comprises a cleaning tank 6, wherein the cleaning tank is provided with a waste discharge port and a liquid adding port, and is used for realizing automatic liquid adding and automatic waste discharge of distilled water, acid liquid or alkali liquid. Further, the cleaning tank 6 is provided with a plurality of cleaning positions.
In this embodiment, the analysis and detection device further includes a detection module cleaning device 7, which mainly cleans each detection module 9, such as water washing, acid washing or alkali washing, so as to avoid pollution to the sample solution during subsequent operation and influence the accuracy and reliability of analysis results, and each cleaning position of the detection module cleaning device 7 can realize automatic liquid feeding and waste discharge, without manual operation, thereby greatly reducing labor intensity and health hazard to personnel.
As shown in fig. 1 and 2, in a preferred embodiment of the present application, the inspection container replacing device includes an inspection container supplying device 18, a waste inspection container collecting device, and an inspection container gripping device, and the inspection container supplying device 18 is disposed on the base 1 for storing and providing a new inspection container 12; the waste detection container collecting device is used for collecting the detection container 12 which is subjected to detection; the detecting container gripping and conveying device is arranged on the base 1 and is used for gripping a new detecting container 12 from the detecting container feeding device 18 and conveying the new detecting container to the detecting container circulating and conveying device, and gripping the detected detecting container 12 from the detecting container circulating and conveying device and conveying the detected detecting container to the waste detecting container collecting device.
The detecting container replacing device of the present embodiment comprises a detecting container supplying device 18, a waste detecting container collecting device, a detecting container gripping device, wherein the detecting container supplying device 18 is arranged on the base 1 for storing and providing the detecting container 12; the waste detection container collecting device is used for collecting the detection container 12 which is subjected to detection; the detecting container gripping and conveying device is arranged on the base 1 and is used for gripping a new detecting container 12 from the detecting container feeding device 18 and conveying the new detecting container to the detecting container circulating and conveying device, and gripping the detected detecting container 12 from the detecting container circulating and conveying device and conveying the detected detecting container to the waste detecting container collecting device. The detection container replacement device provided in this embodiment provides the detection container 12 through the detection container supply device 18 in the detection process, and simultaneously, the detection container is grabbed and sent the device to realize discarding and replacing of detection container 12, discarding and replacing process need not the manual work and carries out the operation, and human intervention link is few, and the error rate is low, when the sample volume that needs analysis is big, can reduce working strength and human cost by a wide margin, improves detection efficiency.
As shown in fig. 2, in a preferred embodiment of the present application, the detecting container gripping device includes a third lifting mechanism 89, a third rotation driving mechanism 88, and a third mechanical arm 15, where the third lifting mechanism 89 is fixed on the base 1, and is used to provide a linear lifting output; the third rotation driving mechanism 88 is fixed on the third lifting mechanism 89, and is used for providing circumferential rotation output; the rear end of the third mechanical arm 15 is in driving connection with the third lifting mechanism 89 and the third rotation driving mechanism 88, and the front end is provided with a gripping device 17 for gripping the detection container 12.
In this embodiment, according to the need of discarding and replacing the test container 12, the test container gripping device includes a third lifting mechanism 89, a third rotation driving mechanism 88 and a third mechanical arm 15, where the rear end of the third mechanical arm 15 is in driving connection with the third lifting mechanism 89 and the third rotation driving mechanism 88, where the third lifting mechanism 89 can drive the third mechanical arm 15 to lift up and down, so as to adjust the gripping device 17 at the front end of the third mechanical arm 15 to a proper height, and the third rotation driving mechanism 88 can drive the rotation angle of the third mechanical arm 15, the third lifting mechanism 89 and the third rotation driving mechanism 88 cooperate, so that the gripping device 17 at the front end of the third mechanical arm 15 can be adjusted to reach the position and the height where the test container 12 to be gripped is located, so that the gripping device 17 can accurately grip a new test container 12 or transfer the test container 12 to the waste test container collecting device, and of course, as a variant, the third rotation driving mechanism 88 can also be fixedly arranged on the base 1, and then the third lifting mechanism 89 can be fixedly output to the third rotation driving mechanism 88 at the same rotation driving mechanism 15.
Specifically, as shown in fig. 8 to 13, the third lifting mechanism 89 includes a third bracket 62, a third guide rod 66, a third screw rod 65, a third lifting motor 64, a third lifting slider 63, a third lifting limiting device 60, and a transmission mechanism, where the transmission mechanism includes a third lifting driven synchronizing wheel 72 and a third lifting driving synchronizing wheel 71 respectively disposed at an end of the third screw rod 65 and an output shaft of the third lifting motor 64, and a synchronous belt 31 connected and disposed between the third lifting driven synchronizing wheel 72 and the third lifting driving synchronizing wheel 71. The connection and the working principle of the components of the third lifting mechanism 89 in this embodiment are similar to those of the components of the first lifting mechanism 2, and will not be described herein.
The third rotation driving mechanism 88 includes a third rotation motor 61, a third rotation driven synchronizing wheel 69, a third rotation driving synchronizing wheel 70, a synchronous belt 31, and a rotation limiting device, where the rotation limiting device includes a third rotation positioning disk 73 and a third rotation sensing device 58, and in this embodiment, the connection relationship and the working principle of each component part of the third rotation driving mechanism 88 are similar to those of each component part of the first rotation driving mechanism 3, and are not described herein again.
As shown in fig. 8 and 10, in a preferred embodiment of the present application, the detecting container gripping device further includes a detecting container sensing device 16, where the detecting container sensing device 16 is disposed at the front end of the third mechanical arm 15, and is used for the gripping device 17 to detect whether the detecting container 12 is present before the detecting container is gripped by the detecting container circulating and conveying device or the detecting container feeding device 18, and if so, the gripping device 17 is driven to perform a corresponding gripping action.
In this embodiment, the front end of the third mechanical arm 15 is further provided with a detecting container sensing device 16, and the detecting container sensing device 16 may detect whether the detecting container 12 exists before the gripping device 17 grips on the detecting container circulating and conveying device or the detecting container feeding device 18, that is: when detecting the detecting container circulating and conveying device, if the detecting container sensing device 16 detects that the detecting container circulating and conveying device does not have the detecting container 12, the control system of the grabbing device 17 will not send any control instruction to the grabbing device 17 or send warning information according to actual demand conditions, so that the grabbing device 17 is prevented from performing invalid grabbing work. When detecting the detecting container supplying device 18, if the detecting container sensing device 16 detects that the detecting container supplying device 18 does not have the detecting container 12, the control system of the grabbing device 17 will not send any control instruction or alarm information to the grabbing device 17, so as to avoid the grabbing device 17 from performing invalid grabbing work, and remind personnel to timely supplement the detecting container 12 to the detecting container supplying device 18.
In the preferred embodiment of the present application, the detecting container supplying device 18 includes a detecting container storing groove 23 and an ejection mechanism, the detecting container storing groove 23 is fixedly disposed on the base 1, and is used for storing the detecting containers 12, an outlet of the detecting container storing groove 23 is provided with a storing groove cover 57, as shown in fig. 14, an inner side of the storing groove cover 57 is provided with a plurality of elastic sheets 74 for separating each detecting container 12; the ejection mechanism is fixedly arranged on the base 1 and is used for sequentially ejecting the detection containers 12 upwards from the detection container storage groove 23.
In this embodiment, the detecting container supplying device 18 includes a detecting container storing groove 23 and an ejection mechanism, the detecting container storing groove 23 includes a cylinder storing a plurality of new detecting containers 12, an upper end of the cylinder is provided with a cylinder upper adaptor 68, a lower end of the cylinder is provided with a cylinder lower adaptor 67, the cylinder upper adaptor 68 is fixed on the base 1 by the mounting base 55, the ejection mechanism sequentially ejects the detecting containers 12 from the detecting container storing groove 23 upwards as required, and the elastic sheet 74 can prevent the next detecting container 12 from being lifted up under the influence of friction when the grabbing device 17 grabs the detecting container 12 on the uppermost layer, so as to ensure that the detecting containers 12 in the detecting container storing groove 23 can be sequentially grabbed one by one, and avoid grabbing a plurality of detecting containers 12 at a time. After ejection, the third mechanical arm 15 is controlled to the position of the detecting container feeding device 18, and meanwhile, the gripping device 17 at the front end of the third mechanical arm 15 grips and transfers the ejected new detecting containers 12 onto the detecting container circulating and conveying device one by one, in this embodiment, each time the third mechanical arm 15 finishes gripping four detecting containers 12 in each working cycle, after the four detecting containers 12 are gripped, replacement of the detecting containers is completed.
In the preferred embodiment of the present application, the ejection mechanism includes a linear guide 24, a driving mechanism, and an ejection slider 56, where the ejection slider 56 slides on the linear guide 24 under the driving of the driving mechanism, and guides the ejection slider 56 to move upwards to sequentially eject the test receptacles 12 from the test receptacle storage tank 23 upwards.
In this embodiment, the ejection mechanism includes a linear guide 24, a driving mechanism, and an ejection slider 56, where the driving mechanism drives the ejection slider 56 to slide along the linear guide 24, so as to sequentially eject the test container 12 from the test container storage tank 23 upwards.
As a preferred embodiment, the driving mechanism includes: the output shaft of the ejection motor 26 is in driving connection with the ejection screw 25, the ejection screw 25 is matched with the ejection sliding block 56, the ejection screw 25 is driven to linearly move on the linear guide rail 24, and the detection container 12 is ejected upwards from the detection container storage groove 23 in sequence.
In this embodiment, the ejector mechanism includes a linear guide 24, an ejector screw 25, an ejector slider 56, and an ejector motor 26, during the ejection operation, the ejector motor 26 drives the ejector screw 25 to rotate, and then drives the ejector slider 56 to move up along the linear guide 24, the ejector slider 56 sequentially ejects the test containers 12 from the test container storage tank 23 in the upward moving process, the ejector motor 26 adopts a periodic rotation mode, that is, after one test container 12 is ejected, the rotation is stopped, after the third mechanical arm 15 drives the grabbing device 17 to grab the test container 12, the ejector motor 26 rotates again to eject the next test container 12, and so on, until the corresponding position on the test container circulation transmission device is all placed on demand, and it is pointed out that, besides that the ejector screw 25 and the ejector motor 26 in this embodiment cooperate to drive the ejector slider 56 to move up along the linear guide 24, other driving mechanisms can be selected to drive the ejector slider 56 to slide, such as a hydraulic cylinder, a pneumatic cylinder, a belt pulling, a linear motor, and so on, which are not repeated, and can be selected by a person in the field according to the corresponding needs.
As a preferred embodiment, the ejector mechanism further includes an upper limit device 59 and a lower limit device, which are used for limiting the limit positions of the ejector sliding block 56 moving up and down, when the ejector sliding block 56 slides on the linear guide rail 24 to the upper limit position under the driving of the driving mechanism, the upper limit device 59 is triggered to send a corresponding signal, at this time, the related control system sends an instruction to the driving mechanism, so that the driving mechanism stops driving the ejector sliding block 56 to slide up continuously, and the driving mechanism continues to drive the ejector sliding block 56 to slide up on the linear guide rail after the ejector sliding block 56 is in place, so that the overload damage of the driving mechanism is avoided. At the same time, an early warning is issued that the detection container 12 needs to be added in the detection container storage tank 24. Before adding the detection container 12 into the detection container storage tank 24, the ejector slide block 56 needs to be reset, namely, the driving mechanism is controlled to drive the ejector slide block 56 to slide downwards on the linear guide rail to a lower limit position, the lower limit device is triggered to send a corresponding signal, at the moment, the related control system sends an instruction to the driving mechanism, so that the driving mechanism stops driving the ejector slide block 56 to slide downwards continuously, and overload damage of the driving mechanism caused by the fact that the driving mechanism continues to drive the ejector slide block 56 to slide downwards on the linear guide rail after the ejector slide block 56 is in place is avoided.
In the preferred embodiment of the present application, the waste inspection container collecting device includes a chute 14 penetrating and fixed on the base 1, for transporting the inspected inspection container 12 to a predetermined position for centralized processing. In this embodiment, the collecting device for the waste detection container includes a chute 14 penetrating and fixed on the base 1, when the detected detection container 12 needs to be discarded, the gripping device 17 at the front end of the third mechanical arm 15 is controlled to grip and transfer the detected detection container 12 to the entrance of the chute 14, and the detected detection container 12 falls into the chute 14 and is transported to a predetermined position along the chute 14 for centralized processing, in this embodiment, the chute 14 is provided, because the detected detection container 12 still stores the waste detection solution, in order to prevent the detection container 12 from polluting the environment or splashing of the detection solution in the detection container 12 during the discarding process, therefore, in this embodiment, the chute 14 is adopted, and the detection solution is ensured to be fully and automatically collected to the predetermined position for processing during the discarding process, which is safe and environment-friendly. In order to further buffer the speed of the detection container 12 during the conveying process of the slideway 14, the slideway 14 adopts a bent tubular slideway 14, so that the detection solution in the detection container 12 is prevented from splashing under the action of gravity.
After the on-site sample is sent to a laboratory, an analyst adds a sample solution into a sample container 19 corresponding to a sample supply device, when the sample container 19 rotates to a sample information reading module position, a sample processing device carries out corresponding processing and transferring on the sample solution in the sample container according to the identified sample information, then the analysis detection device carries out analysis detection on the sample solution in a detection container 12 on a detection container circulation conveying device, finally, the detection container replacement device is arranged at a corresponding position on one side of the detection container circulation conveying device and is used for placing a new detection container 12 on the detection container circulation conveying device, after the analysis detection device finishes analysis detection, the detected detection container is replaced from the detection container circulation conveying device, and in the same stop period of the detection container circulation conveying device, the sample processing device, the analysis detection device and the detection container replacement device automatically complete corresponding operation, and after a plurality of stop periods and cooperative operation of related devices, automatic analysis on all the sample solution on the sample supply device can be automatically completed.
The foregoing description of the preferred embodiment of the present application is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and scope of the invention.
Claims (15)
1. An automatic solution analysis apparatus comprising a sample supply means for supplying a sample solution through a sample container (19), characterized by further comprising: a detection container circulating and conveying device, a sample processing device, an analysis and detection device and a detection container replacement device,
the detection container circulating and conveying device is used for sequentially and circularly conveying the detection container (12) for containing the sample solution among the sample processing device, the analysis and detection device and the detection container replacement device according to a set stop period;
the sample processing device is used for correspondingly processing and transferring the sample solution in the sample container according to the identified sample information;
the analysis and detection device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for analyzing and detecting the sample solution in the detection container (12) on the detection container circulating and conveying device;
the detection container replacement device is arranged at a corresponding position on one side of the detection container circulating and conveying device and is used for placing a new detection container (12) on the detection container circulating and conveying device and replacing the detection container which is detected from the detection container circulating and conveying device after the analysis and detection device finishes analysis and detection;
And in the same stop period, the sample processing device, the analysis and detection device and the detection container replacement device finish corresponding operations.
2. The automatic analysis device of solutions according to claim 1, characterized in that the sample container (19) is provided with a tag/label associated with sample information.
3. The automatic solution analysis apparatus according to claim 1, wherein the detection container circulation transfer device includes:
the second rotary table (11) is arranged on the fixed seat (22) in a gap rotation manner, and a plurality of groups of detection container placing holes matched with the numbers of the sample processing devices, the analysis detection devices and the detection container replacement devices are arranged on the second rotary table (11), wherein the numbers of the detection container placing holes in each group are consistent;
or,
the inspection container circulation conveyor includes:
the circulating conveyor belt is arranged on the fixing seat (22) in a gap rotating mode, a plurality of groups of detection container placing holes matched with the sample processing device, the analysis detection device and the detection container replacement device in number are formed in the circulating conveyor belt, and the number of the detection container placing holes in each group is consistent.
4. The automated solution analysis device of claim 1, wherein the sample processing device comprises:
Sample solution transfer means provided on the base (1) for transferring the sample solution from the sample container (19) of the sample supply means to the detection container (12) of the detection container circulation transfer means;
the sample information acquisition module is used for identifying a sample label/identifier which is associated with sample information on the sample supply device and acquiring the sample information;
and the solution processing device is in signal connection with the sample information acquisition module and is used for correspondingly processing the sample solution in the sample container (19) according to the identified sample information.
5. The automatic solution analysis device according to claim 4, wherein the sample solution transfer device comprises:
a first lifting mechanism (2) for providing a linear lifting output;
a first rotary drive mechanism (3) for providing a circumferential rotary output;
and the rear end of the first mechanical arm (13) is in driving connection with the first lifting mechanism (2) and the first rotary driving mechanism (3).
6. The automatic solution analysis device according to claim 4, wherein the solution processing device comprises:
the constant volume metering module is arranged on the sample solution transferring device and is used for extracting the sample solution in the sample container (19) according to the set volume and injecting the sample solution into the detection container (12) positioned on the detection container circulating and conveying device.
7. The automated solution analysis apparatus of claim 6, wherein the constant volume metering module comprises:
the liquid level measuring device comprises a sampling needle (36), a liquid level measuring device and a negative pressure generating device (49), wherein the sampling needle (36) is arranged on the sample solution transferring device, and the negative pressure generating device (49) is sequentially connected with the liquid level measuring device and the sampling needle (36) through pipelines.
8. The automatic solution analysis device according to claim 6, wherein the solution processing device further comprises a solution diluting device including:
and a dilution pump (54), wherein the dilution pump (54) is used for diluting the sample solution by a preset amount according to the sample information.
9. The automatic solution analysis device according to any one of claims 4 to 8, wherein the solution processing device further comprises:
and the filtering device is used for filtering the sample solution before transferring the sample solution from the sample container (19) of the sample supply device to the detection container (12) on the detection container circulating and conveying device.
10. The automatic solution analysis device according to claim 1, wherein the analysis detection device comprises:
a second lifting mechanism (28) for providing a linear lifting output;
A second rotary drive mechanism (27) for providing a circumferential rotary output;
the rear end of the second mechanical arm (10) is in driving connection with the second lifting mechanism (28) and the second rotary driving mechanism (27);
the detection modules (9) are arranged at the front ends of the second mechanical arms (10) through detection module mounting seats (8) and are used for analyzing and detecting samples in the detection containers (12).
11. The automatic solution analysis device according to claim 1, wherein the detection container replacing means comprises:
a detection container supply device (18) provided on the base (1) for storing and supplying a new detection container (12);
waste detection container collection means for collecting the detection container (12) for which detection is completed;
the detection container grabbing and conveying device is arranged on the base (1) and is used for grabbing a new detection container (12) from the detection container supply device (18) and conveying the new detection container to the detection container circulating and conveying device, and grabbing the detection container (12) with detection completed from the detection container circulating and conveying device and conveying the detection container to the waste detection container collecting device.
12. The automatic solution analyzing apparatus according to claim 11, wherein the detecting container gripping means includes:
A third lifting mechanism (89) for providing a linear lifting output;
a third rotary drive mechanism (88) for providing a circumferential rotary output;
the rear end of the third mechanical arm (15) is in driving connection with the third lifting mechanism (89) and the third rotary driving mechanism (88), and the front end of the third mechanical arm is provided with a grabbing device (17) for grabbing the detection container (12).
13. The automated solution analysis apparatus of claim 12, wherein the detection container gripping apparatus further comprises:
the detection container sensing device (16) is arranged at the front end of the third mechanical arm (15) and is used for detecting whether the detection container (12) exists before the grabbing device (17) grabs on the detection container circulating and conveying device or the detection container supply device (18), and if the detection container exists, the grabbing device (17) is driven to execute corresponding grabbing actions.
14. The automatic solution analyzing apparatus according to claim 11, wherein the detecting container supplying means (18) includes:
the detection container storage groove (23) is fixedly arranged on the base (1) and used for storing the detection containers (12), a storage groove cover (57) is arranged at the outlet of the detection container storage groove (23), and a plurality of elastic sheets (74) used for separating the detection containers (12) are arranged at the inner side of the storage groove cover (57);
The ejection mechanism is fixedly arranged on the base (1) and used for sequentially ejecting the detection containers (12) upwards from the detection container storage groove (23).
15. The automatic solution analysis device according to claim 14, wherein the ejection mechanism comprises a linear guide rail (24), a driving mechanism and an ejection slider (56), the ejection slider (56) slides on the linear guide rail (24) under the driving of the driving mechanism, and the ejection slider (56) is guided to move upwards to sequentially eject the detection containers (12) from the detection container storage tank (23).
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