CN110980178A - Sample collecting and preparing system and method - Google Patents
Sample collecting and preparing system and method Download PDFInfo
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- CN110980178A CN110980178A CN201911294056.1A CN201911294056A CN110980178A CN 110980178 A CN110980178 A CN 110980178A CN 201911294056 A CN201911294056 A CN 201911294056A CN 110980178 A CN110980178 A CN 110980178A
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- 238000000034 method Methods 0.000 title abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 158
- 230000005540 biological transmission Effects 0.000 claims abstract description 89
- 238000005070 sampling Methods 0.000 claims abstract description 76
- 238000001514 detection method Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005464 sample preparation method Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 7
- 239000003245 coal Substances 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
Abstract
The invention discloses a sample collecting and preparing system and a method, wherein the sample collecting and preparing system comprises the following components: the sampling mechanism is used for sampling a sample; the manual sample preparation mechanism is used for manually preparing a sampled sample; the automatic sample preparation mechanism is used for automatically preparing a sample after sampling, and the manual sample preparation mechanism and the automatic sample preparation mechanism are arranged in parallel; the initial end of the first transmission device is connected with the sampling mechanism, and the tail end of the first transmission device is connected with the automatic sample preparation mechanism and is used for transmitting the sample to the automatic sample preparation mechanism; and the starting end of the second transmission device is connected with the sampling mechanism, and the tail end of the second transmission device is connected with the manual sample preparation mechanism to transmit the sample to the manual sample preparation mechanism. The system realizes unattended sampling and manual sample preparation butt joint, improves the reliability of sample preparation, and ensures the transmission efficiency of samples by adopting the first transmission device and the second transmission device to transmit the samples.
Description
Technical Field
The invention relates to the technical field of material conveying, in particular to a sample collecting and preparing system and method.
Background
A coal-fired power plant adopting a train coal supply mode generally adopts a belt middle sampling mode to sample coal entering the plant, and the coal samples are stored in different sample collection tanks in batches after being crushed and divided. The currently used conveying modes are 3 types: coal sample belt transmission, intelligent sample feeding vehicle transmission and manual sample feeding. Wherein, coal sample belt transmission and intelligent sample car transmission are used for treating the automatic control of carrying to full-automatic system of making a sample coal sample belt transmission of system material is comparatively simple and avoided the human cheap political affairs risk of sending a sample. The intelligent sample conveying vehicle transmission control is simple to implement. However, when the full-automatic sample preparation system cannot be started due to failure, maintenance and the like, and the manual sample preparation equipment is required to be used for preparing the coal sample, the coal sample belt transmission and the intelligent sample feeding vehicle cannot be in butt joint with the sample preparation link, and manual sample feeding is the only coal sample transmission mode which can be adopted at present. However, the manual sample feeding has low conveying efficiency and has fraud risk caused by human intervention.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the prior art cannot simultaneously consider the transmission efficiency and unattended transmission between the sampling and full-automatic sample preparation links and the manual sample preparation links, thereby providing a sample preparation system and a sample preparation method.
According to a first aspect, an embodiment of the present invention provides a sampling system, including: the belt sampling mechanism is used for sampling a sample by a belt; the manual sample preparation mechanism is used for manually preparing the sampled sample; the automatic sample preparation mechanism is used for automatically preparing the sampled sample, and the manual sample preparation mechanism and the automatic sample preparation mechanism are arranged in parallel; the initial end of the first transmission device is connected with the sampling mechanism, and the tail end of the first transmission device is connected with the automatic sample preparation mechanism and is used for transmitting the sample to the automatic sample preparation mechanism; and the starting end of the second transmission device is connected with the sampling mechanism, the tail end of the second transmission device is connected with the manual sample preparation mechanism, and the sample is transmitted to the manual sample preparation mechanism.
With reference to the first aspect, in a first implementation manner of the first aspect, the manual sample preparation mechanism and the automatic sample preparation mechanism are disposed at a lower layer of the belt sampling mechanism.
With reference to the first aspect, in a second embodiment of the first aspect, the system further includes a sample collection tray, the sample collection tray is provided with a plurality of installation positions, the sampled sample is stored in a sample collection tank (16), a valve is provided at the bottom of the sample collection tank (16), the valve is used for controlling the sample collection tank (16) to be opened or closed, the sample collection tank (16) includes a plurality of installation positions, the installation positions are respectively provided with the sample collection tray, and the sample collection tray is provided at an outlet of the sampling mechanism (11).
With reference to the first embodiment of the first aspect, in a third embodiment of the first aspect, the first transport device (14) comprises a chute for connecting the sample collection tank (16) and the inlet of the automated sample preparation mechanism (13).
With reference to the first aspect, in a fourth implementation manner of the first aspect, the second transmission device includes: the conveying belt is arranged between the discharging position of the sample collecting disc and the manual sample preparing mechanism; the pushing devices are arranged at the head and the tail of the conveying belt and used for pushing the sample collection tank out of the conveying belt; the pushing device is arranged at the head of the conveying belt and used for pushing the sample collecting tank into the sample collecting disc through the conveying belt; the lifting machine is arranged below the tail part of the conveying belt in an inclined mode and conveys the sample collecting tank of the manual sample preparation mechanism to a preset position.
With reference to the fourth embodiment of the first aspect, in a fifth embodiment of the first aspect, the hoist includes: the sample collection tank platform is used for placing the sample collection tank; the lifting mechanism is used for lifting the sample collection tank platform; the driving motor is used for drawing the lifting mechanism to control the lifting of the sample collection tank platform; and the proximity switch is used for detecting whether the sample collection tank platform is lifted to the preset position.
With reference to the fourth implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the second transmission device further includes: the detection device comprises an infrared detection switch, is arranged at the inlet of the hoister and is used for detecting whether the sample collection tank is in place or not; and the limit switch is used for detecting whether the hoister reaches a target preset position.
With reference to the fourth implementation manner of the first aspect, in a seventh implementation manner of the first aspect, the second transmission device further includes: the audible and visual alarm is used for prompting a target user to receive the sample collection tank and displaying a fault state; and the button is used for controlling the conveying and the interruption of the sample collection tank.
With reference to the first aspect, in an eighth implementation manner of the first aspect, the system further includes: and the control mechanism is connected with the first transmission device and the second transmission device and used for acquiring a sample preparation mode, controlling the first transmission device and the second transmission device and displaying the running state.
According to a second aspect, an embodiment of the present invention provides a sample preparation method, which is used in the sample preparation system according to the first aspect or any embodiment of the first aspect, and includes: obtaining a sample preparation mode, wherein the sample preparation mode comprises automatic sample preparation and manual sample preparation; determining a transmission mode corresponding to the sample preparation mode according to the sample preparation mode; and connecting the sampling mechanism with an automatic sample preparation mechanism or a manual sample preparation mechanism according to the transmission mode.
The technical scheme of the invention has the following advantages:
1. the sampling and sample-making system provided by the invention samples a sample through the sampling mechanism, manually makes a sample through the manual sample-making mechanism, automatically makes a sample through the automatic sample-making mechanism, arranges the manual sample-making mechanism and the automatic sample-making mechanism in parallel, connects the sampling mechanism and the automatic sample-making mechanism through the first transmission device, transmits the sample to the automatic sample-making mechanism, and transmits the sample to the manual sample-making mechanism through the second transmission device. The system realizes unattended sampling and manual sample preparation butt joint, improves the reliability of sample preparation, and ensures the transmission efficiency of samples by adopting the first transmission device and the second transmission device to transmit the samples.
2. According to the sample collection and preparation method provided by the invention, the sample preparation mode is obtained, the transmission mode corresponding to the sample preparation mode is determined according to the sample preparation mode, and the sampling mechanism is connected with the automatic sample preparation mechanism or the manual sample preparation mechanism according to the transmission mode. The method realizes unattended sampling and manual sample preparation butt joint, and improves the reliability of sample preparation.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a sampling system according to an embodiment of the present invention;
fig. 2 is a flowchart of a sample collection and preparation method in the embodiment of the present invention.
Description of reference numerals:
11-a belt sampling mechanism, 12-a manual sample preparation mechanism, 13-an automatic sample preparation mechanism, 14-a first transmission device, 15-a second transmission device, 150-a transmission belt, 151-a lifting machine, 16-a sample collection tank and 17-a control mechanism.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a sampling system, can be used to the material sampling and the link of being connected of system appearance, as shown in fig. 1, including belt sampling mechanism 11, artifical system appearance mechanism 12, automatic system appearance mechanism 13, first transmission device 14 and second transmission device 15, wherein:
the belt sampling mechanism 11 is used for sampling a sample by a belt. The belt sampling mechanism 11 may include a sampling head, a conveyor belt, a sweeping device, a crusher, a splitter, and the like. The sampling head can use a scraping device to scrape and sweep the full section of the sample on the conveying belt according to the set time to obtain a sample subsample. And uniformly feeding the collected subsamples into a crusher for crushing, and then dividing the divided samples into a reserved sample and a waste material through a secondary conveyor belt divider. Wherein, the sample is automatically collected in the storage tank, and the abandoned material is returned to the conveying belt by the bucket elevator. The mechanism adopted by the application is not limited, and the person skilled in the art can determine the mechanism according to the actual needs.
The manual sample preparation mechanism 12 is used for manually preparing the sampled sample. The manual sample preparation mechanism 12 may include a weighing machine, a crusher, a pulverizer, a vibrating screen machine, a sorter, etc., and after receiving the sampled sample, the target operator performs a series of operations such as weighing, crushing, sorting, vibrating screen, etc., on the sample to prepare a sample of a target specification. The manual sample preparation mechanism is not limited by the application, and can be determined by a person skilled in the art according to actual needs.
The automatic sample preparation mechanism 13 is used for automatically preparing a sample after sampling, and the manual sample preparation mechanism 11 and the automatic sample preparation mechanism 13 are arranged in parallel. Automatic system appearance mechanism 13 can realize the automatic weighing, the automatic broken division of sampling sample, automatically regulated divides the branch, automatic encapsulation of sample spouts the sign indicating number, can prepare the target sample of 3 specifications, including 6mm full moisture appearance, 3mm sample and 0.2mm analysis appearance of being prepared for, and send above-mentioned target sample respectively to automatic sample cabinet and laboratory of depositing, carry out the sample and preserve or assay analysis on next step. The manual sample preparation mechanism 11 and the automatic sample preparation mechanism 13 are arranged in parallel, and when the automatic sample preparation mechanism 13 breaks down or cannot work during maintenance, the manual sample preparation mechanism 11 is started.
The first transmission device 14 has a start end connected to the sampling mechanism 11 and an end connected to the automatic sample preparation mechanism 13, and is used for transmitting the sample to the automatic sample preparation mechanism 13. Illustratively, a certain distance exists between the sampling mechanism 11 and the automatic sample preparation mechanism 13, and a first transmission device 14 is arranged between the sampling mechanism 11 and the automatic sample preparation mechanism 13, so that the sampling mechanism 11 can transmit the collected sample to the automatic sample preparation mechanism 13 through the first transmission device 14 for sample preparation.
And the starting end of the second transmission device 15 is connected with the sampling mechanism, and the tail end of the second transmission device is connected with the manual sample preparation mechanism, so that the sample is transmitted to the manual sample preparation mechanism. When the automatic sample preparation mechanism 13 cannot perform sample preparation operation, the sampling sample of the sampling mechanism 11 can be transmitted to the manual sample preparation mechanism 12 for manual sample preparation. Set up second transmission device 15 between sampling mechanism 11 and artifical system appearance mechanism 12, make sampling mechanism 11 can be through second transmission device 15 with the sample transmission of gathering to artifical system appearance mechanism 12 and carry out artifical system appearance.
The sampling system that this embodiment provided samples through sampling mechanism, and the sample after sampling carries out artifical system appearance through artifical system appearance mechanism to the sample after the sampling, carries out automatic system appearance through automatic system appearance mechanism to the sample after the sampling, and with artifical system appearance mechanism and automatic system appearance mechanism side by side setting, connect sampling mechanism and automatic system appearance mechanism by first transmission device, with automatic system appearance mechanism of sample transmission, by second transmission device, with sample transmission to with artifical system appearance mechanism. Like this, if need artifical system appearance, can directly send the sample to artifical system appearance mechanism, if need automatic system appearance, then directly send the sample to automatic system appearance mechanism, this system has realized sampling and artifical system appearance butt joint unmanned on duty, has improved the reliability of system appearance, adopts first transmission device and second transmission device to carry out the sample transmission, has guaranteed the transmission efficiency of sample.
As an alternative embodiment of the present application, as shown in fig. 1, a manual sample preparation mechanism 12 and an automatic sample preparation mechanism 13 are disposed at the lower layer of the belt sampling mechanism 11. The manual sample preparation mechanism 12 and the automatic sampling mechanism 13 are arranged below the belt sampling mechanism in parallel, so that the sampling and sample preparation can be integrally arranged.
As an optional embodiment of the present application, as shown in fig. 1, the sampling system further includes a sample collecting tray, a plurality of setting positions are provided on the sample collecting tray, the sampled sample is disposed in the sample collecting tank 16, a valve is provided at the bottom of the sample collecting tank 16, the valve is used for controlling the sample collecting tank to open or close the sample collecting tank 16, the valve is provided with a plurality of setting positions respectively, and the sample collecting tray is disposed at an outlet of the sampling mechanism 11. The belt sampling mechanism 11 divides the sampled sample into a reserved sample and a waste material, wherein the reserved sample can comprise a plurality of samples which are respectively stored in different sample collection tanks 16, and the sample collection tanks 16 can be arranged in a sample collection tray. Belt sampling mechanism 11 can be packed leaving a sample automatic injection collection appearance jar 16, and a plurality of arrangement positions that set up on the collection appearance dish can rotate. When the sample collection tank 16 already contains a sample, the sample collection tray can rotate the empty sample collection tank 16 to the outlet of the sampling mechanism 11 by rotation to await storage of the next sample to be sampled.
A valve is arranged at the bottom of the sample collection tank 16. When automatic sample preparation is adopted, a valve at the bottom of the sample collection tank 16 is opened, and a sampled sample can directly slide into a feeding port of the automatic sample preparation mechanism 13 through the first transmission device 14. As an alternative embodiment of the present application, the first transport device comprises a chute for connecting the sample collection tank 16 to the inlet of the automated sample preparation mechanism 13. One end of the slide pipe is connected with the bottom of a sample collection tank 16 in the sample collection tray, and the other end is connected with a sample feeding port of the automatic sample preparation mechanism 13. The sample collection tank 16 storing the sample to be prepared is rotated to the upper part of the slide pipe, after the sample collection tank is rotated in place, a bottom valve of the sample collection tank 16 can be controlled to be opened by a PLC controller, and then the sample to be prepared is directly conveyed to an online feeding port of the automatic sample preparation mechanism 13 through the slide pipe. Therefore, the sample can directly enter the automatic sample preparation mechanism, the operation is simple, and seamless butt joint with the automatic sample preparation is realized.
When manual sampling is used, the bottom valve of the sample collection tank 16 is closed, and at this time, the sample collection tank 16 is transferred to the manual sampling mechanism by the second transfer device. As an alternative embodiment of the present application, the second transfer device 15 may include a conveyor belt 150, a push-out device, a push-in device, and a lift 151. Wherein, the transmission band 150 sets up between the ejection of compact position of collection appearance dish and artifical system appearance mechanism 12, and collection appearance dish will collect appearance jar 16 and rotate to ejection of compact position, and ejection of compact position is connected to the one end of transmission band 150, and artifical system appearance mechanism 12 entry top is connected to the other end, will contain the collection appearance jar 16 conveying of waiting to make the appearance sample to artifical system appearance mechanism entry 12 top. The conveyor 150 can be operated in both forward and reverse directions, with the sample collection tank 16 containing the sample to be prepared being transported over the inlet of the hand sample preparation mechanism when the conveyor is operated in the forward direction, and with the empty sample collection tank 16 being transported to the discharge position when the conveyor is operated in the reverse direction.
The pushing-out devices are provided at the head and tail of the transport belt 150, and push out the sample collection tanks 16 to the transport belt 150. Rotating the sample collection tank 16 containing the sample to be prepared to a discharging position, arranging a pushing device at the discharging position, connecting the pushing device with the head of the conveying belt 150, and pushing the sample collection tank 16 onto the conveying belt 150 which runs in the forward direction; when a manual sample preparation person takes out a sample in the sample collection tank 16, the empty sample collection tank 16 can be conveyed to the tail part of the conveying belt 150 through the lifting machine 151, and the pushing device arranged at the tail part of the conveying belt 150 can push out the empty sample collection tank 16 to the conveying belt 150 which runs in the reverse direction. The ejecting device can be a hydraulic driving device, and the application does not limit the ejecting device, and a person skilled in the art can determine the ejecting device according to actual needs.
The pushing device is provided at the head of the transport belt 150, and pushes the sample collection tank 16 from the transport belt 150 into the sample collection tray. When the conveyor 150 runs in reverse, the empty can 16 is conveyed to the head of the conveyor 150, and at this time, the pushing device provided at the head of the conveyor can push the empty can 16 into the sample collecting tray to wait for the next sample packaging. The pushing device can be a hydraulic driving device, and the pushing device is not limited in the application and can be determined by a person skilled in the art according to actual needs.
The lifter 151 conveys the sample collection tank 16 sent to the hand sample preparation mechanism 12 to a predetermined position. The lifting machine 151 is arranged obliquely below the tail part of the conveyor belt 150 and comprises: collection appearance jar platform, hoist mechanism, driving motor and proximity switch. Wherein, collection appearance jar platform is used for placing collection appearance jar 16, and hoist mechanism is used for the lift of collection appearance jar platform, and driving motor is used for pulling hoist mechanism control collection appearance jar platform's lift, and proximity switch is used for detecting collection appearance jar platform whether to go up and down to predetermineeing the position. When the collection appearance jar 16 that is equipped with the sample of waiting to make is transmitted to the transmission band 150 afterbody, collection appearance jar 16 can fall on the collection appearance jar platform in lifting machine 151 at the transmission band 150 afterbody is automatic, lifting machine 151 descends to the preset position in the manual work appearance mechanism 12, manual work appearance personnel can go to preset position and receive this sample of waiting to make to place empty collection appearance jar 16 on the collection appearance jar platform of lifting machine, convey this empty collection appearance jar 16 to the afterbody of transmission band 150 by lifting machine 151 again.
The hoisting machine 151 may further include a car, the sample collection tank platform may be disposed in the car, and the hoisting mechanism may be a hoisting chain, and the structure of the hoisting machine is not limited in this application, and those skilled in the art may determine the sample collection tank platform according to actual needs.
As an optional embodiment of the present application, the second transmission device 15 further includes:
the detection device comprises an infrared detection switch, is arranged at the inlet of the hoisting machine 151 and is used for detecting whether the sample collection tank 16 is in place or not; and the limit switch is used for detecting whether the hoister 151 reaches a target preset position. When the conveyor belt 150 runs forward to transport the sample collection tank 16 filled with the sample to be prepared to the tail of the conveyor belt 150, detecting whether the sample collection tank 16 is transported to an inlet of the lifting machine 151 by using an infrared detection switch, and if the sample collection tank 16 enters the lifting machine 151, sending a signal for stopping the operation of the conveyor belt 150 and stopping the forward running of the conveyor belt 150; when the infrared detection switch detects that the lifter 151 transfers the empty sample collection tank 16 to the tail of the conveyor belt 150, a signal indicating that the conveyor belt 150 is operated in the reverse direction is sent, and the conveyor belt 150 is operated in the reverse direction to transfer the empty sample collection tank 16 to the head of the conveyor belt 150. A limit switch, which is mainly used to detect whether the elevator 151 is lifted to a target preset position, for example, after detecting that the elevator 151 reaches the target preset position, the sample collecting tank 16 containing sample sheets to be prepared is positively transferred to the inlet of the elevator 151 at the tail of the conveyor belt 150
As an optional embodiment of the present application, the second transmission device 15 further includes: audible and visual alarms and buttons. Wherein the audible and visual alarm is used to prompt the target user to receive the sample collection tank 16 and to display the fault status. When the sample collection tank 16 with the sample preparation samples reaches the inlet of the elevator 151, the infrared detection switch detects the position, the sample collection tank 16 automatically falls to the sample collection tank platform at the tail of the conveyor belt 150, then the conveyor belt 150 automatically stops running and triggers the audible and visual alarm, and a target user can be prompted to go to a receiving station of the manual sample preparation mechanism 12 to prepare for sample collection. When the limit switch detects that the lifting machine 151 descends in place, the lifting machine 151 stops descending, and the audible and visual alarm is started again to prompt the target user to extract the sample collection tank 16.
The buttons are used to control the transfer and interruption of the empty sample collection canister 16. When the sample to be prepared in the sample collection tank 16 is taken out by a target user, the empty sample collection tank 16 can be placed on a sample collection tank platform of the lifting machine 151, the starting button is manually pressed, the lifting machine 151 can lift the empty sample collection tank 16 to a position flush with the tail of the conveyor belt 150, meanwhile, the infrared detection switch detects that the empty sample collection tank 16 is in place, the conveyor belt 150 automatically runs in the reverse direction, and if an abnormal condition is found during conveying of the empty sample collection tank 16, the emergency stop button can be pressed at any time to interrupt the conveying process.
As an alternative embodiment of the present application, as shown in fig. 1, the sampling and sample preparation system further includes a control mechanism 17 connected to the first transport device 14 and the second transport device 15, for acquiring the sample preparation mode, controlling the first transport device 14 and the second transport device 15, and displaying the operation status. The control mechanism 17 can select a sample preparation mode according to the working state of the sample preparation mechanism, and when the automatic sample preparation mechanism 13 can normally operate, the control mechanism 17 can control the first transmission device 14 to transmit the sample to be prepared to the automatic sample preparation mechanism 13. When the automatic sample preparation mechanism 13 fails or cannot be operated due to reasons such as maintenance, the control mechanism 17 can control the second transmission device 15 to transmit the sample to be prepared to the manual sample preparation mechanism 12, and then the control mechanism 17 can realize the logic control of the sample preparation connection system. At the same time, the control mechanism 17 can also display the running states of the first transmission device 14 and the second transmission device 15, and when a fault occurs, a precautionary measure can be taken in time.
Example 2
The present embodiment provides a sample collection and preparation method, as shown in fig. 2, which can be used in the sample collection and preparation system of the above embodiment, including:
and S21, acquiring a sample preparation mode, wherein the sample preparation mode comprises automatic sample preparation and manual sample preparation.
For example, the sample preparation mode can be determined according to whether the automatic sample preparation mechanism operates normally. When the sampled sample is prepared, automatic sample preparation is preferentially selected, the sample to be prepared is transmitted to the automatic sample preparation mechanism to be automatically prepared, when the automatic sample preparation mechanism breaks down or cannot normally run due to maintenance, a manual sample preparation mode is selected, and the sample to be prepared is transmitted to the manual sample preparation mechanism to be prepared.
And S22, determining a transmission mode corresponding to the sample preparation mode according to the sample preparation mode.
Illustratively, when the sample preparation mode is automatic sample preparation, batch information of samples to be prepared is obtained, a sample collection tank where the samples to be prepared are located is identified according to the batch information, the sample collection tank is rotated to the position above the first conveying device, a bottom valve of the sample collection tank is opened, the samples to be prepared are conveyed to a feeding port of the automatic sample preparation mechanism through the first conveying device, then the bottom valve of the sample collection tank is closed, and an empty sample collection tank waits for receiving samples to be prepared of the next batch. When the sample preparation mode is manual sample preparation, batch information of samples to be prepared is obtained, a sample collection tank where the samples to be prepared are located is identified according to the batch information, the sample collection tank is rotated to a discharge position, the sample collection tank is pushed onto a conveying belt through a pushing device, the conveying belt is in forward operation to convey the sample collection tank to a lifting machine, the sample collection tank is conveyed to a manual sample preparation mechanism through the lifting machine, a target user takes out the samples to be prepared in the sample collection tank, then the empty sample collection tank is conveyed to the tail portion of the conveying belt through the lifting machine, the conveying belt is in reverse operation to convey the empty sample collection tank to the discharge position, the empty sample collection tank is pushed into a sample collection disc through the pushing device, and the next batch of samples to be prepared are waited to be received.
And S13, connecting the sampling mechanism with an automatic sample preparation mechanism or a manual sample preparation mechanism according to the transmission mode.
For example, the specific description of the connection manner between the sampling mechanism and the automatic sample preparation mechanism or the manual sample preparation mechanism refers to the related description of the above embodiment, and is not repeated here. When the sample preparation mode is automatic sample preparation, a first transmission device is selected to transmit a sample to be prepared, and the first transmission device is connected between the automatic sample preparation mechanism and the sampling mechanism. When the sample preparation mode is manual sample preparation, the second transmission device is selected to transmit the sample to be prepared, and the second transmission device is connected between the sampling mechanism and the manual sample preparation mechanism.
According to the sample preparation method provided by the embodiment, the sample preparation mode is obtained, the transmission mode corresponding to the sample preparation mode is determined according to the sample preparation mode, and the sampling mechanism is connected with the automatic sample preparation mechanism or the manual sample preparation mechanism according to the transmission mode. The method realizes unattended sampling and manual sample preparation butt joint, and improves the reliability of sample preparation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A sampling system, comprising:
the belt sampling mechanism (11) is used for sampling a sample by a belt;
the manual sample preparation mechanism (12) is used for manually preparing the sampled sample;
the automatic sample preparation mechanism (13) is used for automatically preparing the sampled sample, and the manual sample preparation mechanism (12) and the automatic sample preparation mechanism (13) are arranged in parallel;
the initial end of the first conveying device (14) is connected with the sampling mechanism, and the tail end of the first conveying device is connected with the automatic sample preparation mechanism (13) and is used for conveying the sample to the automatic sample preparation mechanism (13);
and the starting end of the second transmission device (15) is connected with the sampling mechanism (11), the tail end of the second transmission device is connected with the manual sample preparation mechanism (12), and the sample is transmitted to the manual sample preparation mechanism (12).
2. The system according to claim 1, characterized in that the manual sample preparation means (12) and the automatic sample preparation means (13) are arranged below the belt sampling means (11).
3. The system according to claim 1, characterized in that the system further comprises a sample collecting plate, a plurality of setting positions are arranged on the sample collecting plate, the sampled samples are stored in a sample collecting tank (16), a valve is arranged at the bottom of the sample collecting tank (16) and used for controlling the sample collecting tank (16) to be opened or closed, the sample collecting tank (16) comprises a plurality of setting positions respectively, and the sample collecting plate is arranged at the outlet of the sampling mechanism (11).
4. System according to claim 2, characterized in that said first transfer device (14) comprises a chute for connecting a sample collection tank (16) and an inlet of said automatic sample preparation mechanism (13).
5. The system according to claim 1, characterized in that said second transmission means (15) comprise:
the conveying belt (150) is arranged between the discharging position of the sample collecting disc and the manual sample preparing mechanism (12);
the pushing devices are arranged at the head and the tail of the conveying belt and used for pushing the sample collection tank (16) out to the conveying belt (150);
the pushing device is arranged at the head of the conveying belt (150) and used for pushing the sample collection tank (16) into the sample collection disc through the conveying belt (150);
and the lifting machine (151) is arranged at the oblique lower part of the tail part of the conveying belt (150) and is used for conveying the sample collecting tank (16) of the manual sample preparation mechanism (12) to a preset position.
6. The system of claim 5, wherein the hoist (151) comprises: the sample collection tank platform is used for placing the sample collection tank;
the lifting mechanism is used for lifting the sample collection tank platform;
the driving motor is used for drawing the lifting mechanism to control the lifting of the sample collection tank platform;
and the proximity switch is used for detecting whether the sample collection tank platform is lifted to the preset position.
7. The system according to claim 5, characterized in that said second transmission means (15) further comprise:
the detection device comprises an infrared detection switch, is arranged at the inlet of the hoister (151) and is used for detecting whether the sample collection tank (16) is in place or not;
and the limit switch is used for detecting whether the hoister (151) reaches a target preset position or not.
8. The system according to claim 5, characterized in that said second transmission means (15) further comprise:
an audible and visual alarm for prompting a target user to receive the sample collection tank (16) and to display a fault condition;
a button for controlling the transfer and interruption of the empty sample collection canister (16).
9. The system of claim 1, further comprising:
and the control mechanism (17) is connected with the first transmission device (14) and the second transmission device (15) and is used for acquiring a sample preparation mode, controlling the first transmission device (14) and the second transmission device (15) and displaying the running state.
10. A sample preparation method for use in a sample preparation system according to any one of claims 1 to 9, comprising:
obtaining a sample preparation mode, wherein the sample preparation mode comprises automatic sample preparation and manual sample preparation;
determining a transmission mode corresponding to the sample preparation mode according to the sample preparation mode;
and connecting the sampling mechanism with an automatic sample preparation mechanism or a manual sample preparation mechanism according to the transmission mode.
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| CN201911294056.1A CN110980178A (en) | 2019-12-16 | 2019-12-16 | Sample collecting and preparing system and method |
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| CN201911294056.1A CN110980178A (en) | 2019-12-16 | 2019-12-16 | Sample collecting and preparing system and method |
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