WO2016147714A1 - 点検デバイス - Google Patents
点検デバイス Download PDFInfo
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- WO2016147714A1 WO2016147714A1 PCT/JP2016/052849 JP2016052849W WO2016147714A1 WO 2016147714 A1 WO2016147714 A1 WO 2016147714A1 JP 2016052849 W JP2016052849 W JP 2016052849W WO 2016147714 A1 WO2016147714 A1 WO 2016147714A1
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- WIPO (PCT)
- Prior art keywords
- inspection device
- sensor
- unit
- test tube
- belt
- Prior art date
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- 0 *CC1(*)C=*C*1 Chemical compound *CC1(*)C=*C*1 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00594—Quality control, including calibration or testing of components of the analyser
- G01N35/00603—Reinspection of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00732—Identification of carriers, materials or components in automatic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/026—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 blocks or racks of reaction cells or cuvettes
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/04—Details of the conveyor system
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00594—Quality control, including calibration or testing of components of the analyser
- G01N35/00613—Quality control
- G01N35/00623—Quality control of instruments
- G01N2035/00633—Quality control of instruments logging process history of individual samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00594—Quality control, including calibration or testing of components of the analyser
- G01N35/00613—Quality control
- G01N35/00623—Quality control of instruments
- G01N2035/00643—Quality control of instruments detecting malfunctions in conveying systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0406—Individual bottles or tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0412—Block or rack elements with a single row of samples
- G01N2035/0415—Block or rack elements with a single row of samples moving in two dimensions in a horizontal plane
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0429—Sample carriers adapted for special purposes
- G01N2035/0432—Sample carriers adapted for special purposes integrated with measuring devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N35/04—Details of the conveyor system
- G01N2035/0474—Details of actuating means for conveyors or pipettes
- G01N2035/0491—Position sensing, encoding; closed-loop control
- G01N2035/0493—Locating samples; identifying different tube sizes
Definitions
- the present invention relates to an inspection device for inspecting a test tube conveyance system.
- Blood, spinal fluid, and urine to be tested in a medical analyzer or sample test automation system are collected in a dedicated test tube, and a medical analyzer or pretreatment necessary before performing analysis is performed.
- the sample pretreatment system (hereinafter also referred to as a test tube transport system) is used to perform necessary analysis and pretreatment.
- the test tube is gripped by the sample chuck mechanism and placed on a sample rack on which one, five, or ten test tubes dedicated to the analyzer or the sample test automation system can be mounted together, belt line, or nail feed It is conveyed in the apparatus by a mechanism or the like.
- test tube conveyance system An example of such a test tube conveyance system is described in Patent Document 1.
- a transport line for transporting a sample rack over a long distance is configured by connecting a plurality of belt line mechanisms.
- the presence or absence of a step in the joint of the belt line and the parallelism of the transport line are confirmed visually or with a level, and a large number of sample racks are transported. It was necessary to run and confirm that no abnormality occurred, which took time and effort. Therefore, it is difficult to perform maintenance of the mechanism as a routine, and it is common for an operator to perform maintenance for improving the state of the apparatus after recognizing that an abnormality has occurred.
- the transport lines are arranged over a plurality of layers, and when the sample rack is transported to a lower layer that the operator cannot visually recognize from the outside, or transports a deep part inside the apparatus. There is a problem that visual confirmation cannot be performed unless the exterior cover is removed.
- an inspection device a housing having an outer shape that can be detachably held on a transport body that holds and transports a test tube, a sensor that is provided in the housing and detects a state in the apparatus during transport, It has a storage part which memorizes output data of a sensor, and a transfer part which transfers the data in the storage part to the outside.
- the inspection device of the present invention includes a transport body capable of holding a test tube and transporting the transport belt, and a sensor that is provided in the transport body and detects a state in the apparatus during transport. And a storage unit that stores the output data of the sensor, and a transfer unit that transfers the data in the storage unit to the outside.
- FIG. 1 is a diagram showing a sample transport system to be inspected in the present invention.
- a belt conveyor 9 extending in the transport direction is disposed, and units for performing processing and analysis on test tubes and samples are disposed along the transport direction of the belt conveyor.
- FIG. 1 is a diagram showing a sample transport system to be inspected in the present invention.
- a belt conveyor 9 extending in the transport direction is disposed, and units for performing processing and analysis on test tubes and samples are disposed along the transport direction of the belt conveyor.
- a loading module 1 for loading a sample container into the apparatus
- a centrifuge module 2 for performing a centrifuge process on the sample
- an opening module 3 for opening a plug that seals the opening
- dispensing A child sample preparation module 4 for facilitating the child sample container, a dispensing module 5 for executing child dispensing processing from the test tube to the child sample container, a plugging module 6 for closing the opening of the sample that has been processed, and a test tube holder
- the test tube is transported to a predetermined module while being placed on the belt conveyor 9, and the process of picking up the test tube and transferring it to another place.
- a process of opening a stopper provided in the opening of the test tube, a process of sucking a predetermined amount of specimen from the opening, a process of closing the opening, and the like are executed. Note that these processing contents are examples, and other processing may be executed on the test tube.
- the belt conveyor 9 has a general belt conveyor configuration. By rotating and transferring the endless belt in one direction with a roller, an object arranged on the belt can be conveyed in one direction.
- a belt conveyor mechanism having a prescribed length is prepared, and when it is necessary to transport a long distance, a plurality of belt conveyor mechanisms are connected.
- the input module 1, the centrifuge module 2, and the storage module 7 are provided with a specimen chuck mechanism * that chucks and grips the test tube from above and transfers it to another location.
- the dispensing module 5 is provided with a dispensing probe mechanism * for aspirating the sample from the opening of the test tube.
- FIG. 1 illustrates a system in which a sample pretreatment module is arranged
- a configuration in which an analysis module for analysis is arranged downstream of the sample pretreatment system may be used, or only the analysis module may be a belt.
- a plurality of systems may be arranged along the conveyor.
- FIG. 2 is a diagram illustrating an example of a transport body that holds and transports test tubes, which is used in the test tube transport system illustrated in FIG. (A) is a single rack 11 that holds and conveys test tubes 17 one by one, and (b) is a multiple rack 12 that holds and conveys multiple test tubes 17.
- FIG. 3 shows an outline of the test tube type inspection device 100 (type 1).
- 101 is a housing of the device itself, and the size is substantially the same as a general test tube (outer diameter 16 mm, length 100 mm).
- 102 is a sensor for acceleration, angle, temperature, illuminance, sound, etc.
- 103 is a control unit for recording and determining measurement data and transmitting data by wire or wirelessly
- 104 is a mechanical stopper mechanism for forcibly stopping the sample transport
- Reference numeral 105 denotes a power supply unit that can be charged from the outside by wire.
- Reference numeral 106 denotes a warning light when an abnormality occurs.
- the sensor 102 includes an acceleration, an angle, a temperature, an illuminance sensor, a sound recording microphone, or a combination thereof depending on the inspection item.
- Measurement targets include backlash of the line for sample transport using acceleration and angle sensors, inspection of belt wear, inspection of the temperature environment during the sample transport process by measuring the internal temperature of the device during transport, By recording the sound, check the faulty part due to mechanical noise on the line to be transported, check the illuminance inside the transport line that causes abnormalities in various optical sensors, and mount a wide-angle camera on the top or side. By observing the inside of the transfer line, it is possible to inspect faults, obstacles on the line, and falling objects. Further, when the camera is mounted on the upper end or the lower end, it can also be used as a support tool for teaching the mounting position of the specimen.
- the outer shape of the test tube type inspection device is approximately the same as a general test tube (diameter 16 mm, length 100 mm). Although not necessarily the same, it is necessary to have a shape that can be engaged with at least one rack 11 or a plurality of racks 12 used for transporting a general test tube or a chuck mechanism.
- This test tube type inspection device is mounted on a rack on which general test tubes are mounted and is transported on the belt line.
- the sensor 102 senses acceleration applied to the test tube during transportation, the angle (inclination) of the test tube during transportation, ambient temperature and brightness, and ambient sound.
- the control unit 103 determines whether the sensing result is abnormal by acquiring the output of the sensor 102 and comparing it with a preset threshold value. By releasing the stopper of the stopper mechanism 104 from the determination result in the control unit 103, a protrusion is projected from the inspection device to the outer periphery by a spring, and this protrusion is pressed against the side wall (guide) of the transfer line. Then, the conveyance operation is forcibly stopped, and the operator is notified of the abnormality occurrence position. After confirming the abnormality occurrence position and abnormality details, the original diameter can be restored by manually returning the stopper.
- condition (threshold value) for abnormality determination in the control unit 103 can be changed by the connected external terminal.
- Control from an external terminal also allows various sensors to be initialized, erased measurement data, and set operations such as the observation period of measurement data.
- the data acquired by the sensor 102 is transferred to an external terminal by wired or wireless data communication.
- wired data communication an operator collects inspection devices stored in a storage unit after inspection work is completed, and is connected to a personal computer or the like via a cable to transfer data.
- wireless data communication measurement data is transmitted to a personal computer or the like in real time during an inspection operation so that the operator can refer to it.
- the power supply unit 105 uses a rechargeable battery and performs charging by wire.
- the state in the apparatus during conveyance is measured and quantified by the sensor 102 as parameters such as acceleration, speed, vibration during movement, tilt, illuminance, volume, and the like.
- an acceleration sensor When an acceleration sensor is provided as the sensor 102, it is possible to measure vibration and speed during conveyance. Since the acceleration and speed change abruptly at the belt line where the belt is worn, it is possible to check the belt wear state by acquiring speed information during conveyance. Therefore, by periodically transporting the inspection device in the present embodiment into the sample transport system, it becomes possible to check the wear state of the belt line, and to respond immediately when the tendency of abnormality can be identified. It becomes possible.
- the inclination state of the test tube being conveyed can be measured, and as a result, the level of the belt line can be evaluated. Also in this case, the level of the belt line can be confirmed in advance by flowing the inspection device according to the present invention before the actual specimen is transported, and smooth installation can be realized.
- a microphone When a microphone is mounted as the sensor 102, it is possible to record an operation sound generated from the drive mechanism during conveyance on the conveyance line. When an abnormality occurs in the drive mechanism, an abnormal sound may also be generated in the operation sound. Therefore, the surrounding operation sound is recorded, and the recorded sound is compared with a preset operation sound waveform in a normal state. This is because it is possible to determine an abnormal state of the drive mechanism. In addition, it is possible to detect a malfunction of the drive source based on a mechanical failure sound.
- an illuminance sensor When an illuminance sensor is mounted as the sensor 102, it is possible to record the illuminance in the apparatus near the conveyance line.
- an optical sensor such as a photo interrupter (presence / absence sensor), or the amount or state of the liquid in the sample container is detected using a laser (sample checker).
- a laser sample checker
- the temperature in the apparatus is measured periodically or at a timing required by the operator.
- test tube inspection devices equipped with detectors for the purpose of these various test tube type inspection devices, they are periodically introduced in daily work, and the schedule of adjustments and replacement of parts can be made based on changes in measurement data. By doing so, the failure rate in daily work can be greatly reduced. In addition, there is a great effect in that the maintenance work time by the service person can be shortened and evaluation after adjustment can be performed.
- the inspection device has a diameter of 16 mm and a length of 100 mm, but is not limited to this shape.
- the shape of the inspection device does not have to be exactly the same as that of the test tube, and may be a shape that can be transported by a mechanism that transports the test tube such as a single rack, a plurality of racks, or a specimen chuck mechanism.
- a mechanism that transports the test tube such as a single rack, a plurality of racks, or a specimen chuck mechanism.
- the shape of the other parts is particularly It doesn't matter.
- the portion held by the arm of the sample chuck mechanism and the vicinity thereof may have the same shape as a general test tube.
- the length of the inspection device may be longer than the existing test tube as long as it does not fall over due to contact with the cover of the apparatus or other mechanism during transportation.
- FIG. 4 shows an outline of the test tube type inspection device 200 (type 2).
- 201 is a housing of the device itself, and the size is the same as that of a general test tube (outer diameter 16 mm, length 100 mm).
- Reference numeral 202 denotes a control unit that records photographing data and transmits data
- 203 denotes a power supply unit
- 204 denotes a camera.
- the camera 204 is mounted on the upper end of the inspection device in this embodiment, and images the upward direction of the test tube type inspection device.
- the captured image is recorded by the control unit and transmitted to an external terminal by wired or wireless data communication.
- the power supply unit uses a rechargeable battery and is charged by wire.
- a wide angle camera is used as the camera.
- the image above the test tube can be acquired, teaching for adjusting the position of the mechanism accessing the test tube from above can be performed.
- it is desirable that the captured image is transmitted to the external computer in real time by wireless communication and displayed on the screen.
- An operator or a service person can adjust the position of the mechanism while viewing an image displayed on the screen in real time.
- a mechanism such as a dispensing mechanism or a stirring mechanism that accesses the inside of the container from the opening of the test tube, or a mechanism that holds the upper end of the test tube between arms, such as a specimen chuck mechanism.
- a wide-angle camera is used, but if an omnidirectional camera capable of 360-degree shooting is installed, it is possible to check the state of the mechanism located not only above but also on the side.
- a photo interrupter that detects the presence or absence of a test tube being transported
- a bar code reader that reads a bar code label attached to a sample container, and the like are often arranged on the side of the transport direction with respect to the transport line. . Therefore, it is possible to check whether these mechanisms are installed at positions where they can be read and detected correctly by the omnidirectional camera.
- FIG. 5 shows an outline of the test tube type inspection device 300 (type 3).
- 301 is a housing of the device itself, and the size is the same as that of a general test tube (outer diameter 16 mm, length 100 mm).
- Reference numeral 302 denotes a control unit that records photographing data and transmits data
- 303 denotes a power supply unit
- 304 denotes a camera.
- the camera 304 is mounted on the lower end of the inspection device 300, and images the downward direction of the inspection device.
- the captured image is recorded by the control unit and transmitted to an external terminal by wired or wireless data communication.
- a wide-angle camera is used as an example.
- Registering the position where a test tube is mounted on a general pretreatment device registers the position while visually checking the mounting position set from the operation direction of the device from the lateral direction.
- the teaching tube will be viewed from directly above the set position. It becomes possible to improve.
- by performing a video transfer process in real time it is possible to obtain a viewpoint from directly above the point where position registration is performed, and thus automatic teaching can be performed.
- FIG. 6 shows an outline of a conveyance line in which an RFID reader / writer capable of transmitting position information is arranged in the test tube type inspection device according to the present invention.
- the read / write RFID tag 401 is used to manage the transport status of the sample container and the reagent container.
- An RFID reader / writer 402 for reading / writing from / to the RFID tag is disposed near the transfer line 406 of the sample transfer system. The place where the RFID reader / writer is arranged is near the position where a mechanism such as a dispensing mechanism or a specimen chuck mechanism accesses the test tube, or near the branching portion.
- the inspection device is mounted on the rack 407 and is conveyed on the belt conveyor 406.
- an RFID reader / writer 402 that transmits position information to an RFID tag provided in the inspection device.
- the position information written in the RFID tag is transmitted to the control unit 403 and stored in association with various information acquired by the sensor 404 or the camera 405.
- the detected data is transmitted wirelessly or wired to an external computer.
- an RFID tag is used as an example.
- any configuration other than the RFID tag may be used as long as it is a storage medium in which position information can be written without contact.
- the inspection device includes a sensor 502 for acceleration, angle, temperature, illuminance, sound, etc., a control unit 503 for recording and determining measurement data, and a power source unit 504.
- the outer shape of the inspection device in the present embodiment is generally configured to be smaller than the inner diameter of the test tube 506 used in the sample transport system, and the inspection device 500 is accommodated inside the empty test tube 506.
- the inspection can be performed by flowing it in the sample transport system in the same manner as other test tubes.
- the operator or service person sets the test tube containing the inspection device 500 in the specimen loading unit, puts the apparatus into an operation state, and starts conveyance.
- the inspection device 500 is taken out from the test tube, connected to an external computer, and the recorded information is sucked out. ⁇ Mechanism status can be checked.
- the installation state of the apparatus using the inspection device 500, the deterioration state of the mechanism, and the surrounding environment can be monitored regardless of the type of test tube to be used. Can be easily expanded.
- test tube type inspection device in which the weight and the center of gravity of the specimen container containing the specimen are adjusted to be substantially the same will be described.
- FIG. 8 shows an outline of a test tube type inspection device 600 (type 5) in the present embodiment.
- a specimen container 601 with a stopper 609 such as a vacuum blood collection tube is used as an outer shell of the inspection device, and an acceleration / angular velocity sensor 602, a control unit 603 for recording and determining measurement data, and a power source unit 605 are contained in the specimen container 601.
- the weight 607 and the spacer 608 are provided.
- the power supply unit 605 supplies power to the sensor 602, the control unit 605, and the like.
- the control unit 605 may include a storage unit that stores output data of the sensor and a transfer unit that transfers the stored data to the outside. When these units are included, power is also supplied to the storage unit and the transfer unit. Is done.
- the weight and length of the weight 607 and the spacer 608 are adjusted so that the weight and the center of gravity of the inspection device are the same as the sample container containing the sample. That is, by preparing a plurality of types of weights and spacers and replacing them, the weight and the center of gravity are adjusted to be the same as the sample container containing the sample. Therefore, the inspection device has an opening through which weights and spacers can be taken in and out.
- a sample container 601 such as a vacuum blood collection tube
- a prescribed amount of sample with little density variation such as blood is aspirated according to the size of the container and the degree of vacuum, so that the weight and the center of gravity after sample aspiration are constant.
- the sensor 602, the control unit 603, the power supply unit 605, the weight 607, and the spacer 608 are arranged in the empty sample container 601 so as to match the weight and the center of gravity of the sample container 601 after the sample is aspirated. Since the weight and the center of gravity of the sensor 602, the control unit 603, and the power supply unit 605 cannot be arbitrarily changed, the weights and lengths of the weights and spacers are adjusted.
- the weight of the inspection device can be adjusted by adjusting the length and size of the weight. Further, the position of the center of gravity of the inspection device can be adjusted by adjusting the length and size of the spacer.
- Only one of the weight and the center of gravity may be adjusted, but it is preferable to adjust both the weight and the center of gravity in order to behave in the same manner as a sample container containing a sample during transportation.
- measurement data close to the movement of the sample container in the transport line can be obtained, so that it is easy to determine a target value such as step adjustment.
- the example in which both the weight and the center of gravity are adjusted has been described, but it is obvious that only one of them may be adjusted.
- a rack type inspection device in which a sensor is built in a rack will be described.
- a single rack will be described as an example.
- the application of the present embodiment is not limited to this, and the present invention can also be applied to a rack that can store a plurality of sample containers.
- the “rack” has a housing portion that can hold a test tube and is transported on a transport belt, and therefore may be referred to as a “transport body”.
- FIG. 9 shows the structure of a rack type inspection device 700 (type 6) in which a sensor is built in one rack.
- the rack inspection device has a power receiving unit 701 in addition to a sensor unit 702, a power source unit 705, and a control unit 703 in a single rack.
- the sensor unit 702 detects the internal state of the apparatus during conveyance, as in the above-described embodiment.
- the control unit 703 may include a storage unit that stores sensor output data and a transfer unit that transfers stored data to the outside.
- the power reception unit 701 receives electric power from an external power transmission unit 704 provided with the conveyance line 406 interposed therebetween by electromagnetic induction, and supplies the power to the power supply unit 705.
- the power supply unit 705 supplies power to the storage unit and the transfer unit in the sensor and the control unit.
- the power transmission unit 704 is provided outside the inspection device 700. More preferably, the power transmission unit 704 is provided in at least a part of the conveyance path.
- the power transmission unit 704 may face the rack type inspection device 700 with the conveyance line interposed therebetween as shown in FIG. 9, or may be embedded in the conveyance line and directly opposed to the bottom surface of the rack type inspection device 700.
- each of the power receiving unit 701 and the power transmitting unit 704 may have a communication function.
- 701 and 704 can also be called communication units.
- a communication unit 704 provided in the transport line transmits a command such as a measurement start time and a time width from the system control unit 707 that controls the entire sample transport system to the control unit 703 in the rack through the communication unit 701 in one rack. To do. Further, the communication unit 704 receives information such as rack movement obtained by the sensor unit 702 recorded in the control unit 703 and sends the information to the system control unit 707.
- the rack type inspection device 700 has a test tube holding part 711 similar to a single rack fixed on the rack with the periphery of the lower part of the test tube interposed therebetween, but the test tube holding part 711 may not be provided, or may be provided on the upper part outside the rack. Other sensors may be installed. Further, the communication unit 701 may directly communicate with the system control unit wirelessly without using the communication unit 704. Note that the communication unit may be provided separately from the power reception unit or the power transmission unit.
- the power reception unit 701 and the power transmission unit 704 described in the present embodiment can also be applied to a test tube type inspection device shown in another embodiment.
- FIG. 10 shows an outline of a test tube type inspection device 800 (type 7).
- the inspection device 800 includes a sensor 802, a control unit 803, a display unit 804, a power supply unit 805, a communication coil 807, a power reception coil 808, and a power / communication conversion unit 806.
- the power transmission / communication dock 820 includes a test tube holding unit 826, a communication coil 827, a power transmission coil 828, and a power / communication conversion unit 829.
- the remote controller 810 includes a display portion 811, a control portion 813, operation buttons 812, and a power source 815.
- the communication coil 807 of the inspection device 800 and the communication coil 827 of the power transmission / communication dock 820 are close to each other, and between the inspection device 800 and the system control unit 707. Data communication becomes possible.
- the power reception coil 808 of the inspection device 800 and the power transmission coil 828 of the power transmission / communication dock 820 are close to each other, so that the power supply unit 805 can be contactlessly charged.
- a power supply / communication conversion unit 806 and a power supply / communication conversion unit 829 control data communication between the communication coil 807 and the communication coil 827, and control the control unit 803 of the inspection device 800 and the entire sample transport system 707.
- the power / communication conversion unit 829 causes a current to flow through the power transmission coil 828, whereby the current generated in the power reception coil 808 is converted to an appropriate level by the power supply / communication conversion unit 806 and the power supply 805 is charged.
- the signal obtained by the sensor 802 of the inspection device 800 is converted into a measurement value such as a step by a calculation unit included in the control unit 803 and displayed on the display unit 804.
- a measurement value such as a step by a calculation unit included in the control unit 803
- the remote controller 810 communicates wirelessly with the control unit 803 of the inspection device 800, receives the measurement result transmitted from the control unit 803 by the control unit 813, and displays it on the display unit 811.
- an operation button 812 is used to issue a command for switching the display of the display unit 811 and the display unit 804 and starting the measurement to the inspection device 800.
- the display unit 804 of the inspection device 800 may not be visible from a distance. Therefore, it is desirable to be able to grasp the step detected by the remote controller.
- the inspection device 800 is attached to the power transmission / communication dock 820 by the specimen chuck mechanism 10, it is desirable to install the inspection device 800 in a part of the input module 1, the centrifugal module 2, and the storage module 7. / A communication dock may be provided.
- the inspection device can be resident in the sample transport system and can be automatically charged and directly operated by the system control unit, continuous automatic monitoring of the sample transport system becomes possible, and apparatus maintenance is facilitated. Further, since the measurement result can be visually confirmed on the spot or the inspection device can be operated by the remote controller, the apparatus can be easily adjusted and maintained by the operator.
- Step measurement method> a method of obtaining the value of the step at the joint (connecting portion) of the belt line from the angular velocity signal obtained from the inspection device will be described with reference to FIGS.
- FIG. 11 shows the movement of one rack when the traveling direction is orthogonal between the belt lines and FIG.
- Each of (a), (b), and (c) in FIGS. 11 and 12 is a movement viewed from the side, and each (d), (e), and (f) is a movement viewed from the top.
- the belt surface on the downstream side is set lower than the upstream side so that one rack does not stop or fall over by contacting the side surface of the belt on the downstream side.
- the single rack 11 on the upstream belt 4063 reaches the step 4363 of the connecting portion (FIGS. 12A and 12D), and then downstream.
- the belt 4064 falls to the side of the belt 4064 and the front end in the traveling direction contacts the belt 4064 (FIGS. 12B and 12E).
- the traveling direction is the same, so it moves without rotation around the central axis 111 and lands on the belt 4064 (FIGS. 12C and 12F). Move towards the belt line.
- a flat guide is provided on both sides of the belt so that the single rack does not deviate from the belt, the side surface of the single rack may contact the guide and rotate.
- FIG. 13 shows how one rack 11 sequentially moves between a plurality of belt lines.
- the y-axis of the three-dimensional coordinate 1110 of the sensor on the single rack 11 on the belt 4061 is the belt traveling direction
- the x-axis is parallel to the belt surface and perpendicular to the traveling direction
- the z-axis is the single rack 11.
- the arrow fixed to the single rack 11 in FIG. 13 indicates the y axis.
- the RFID is arranged so that only one belt joint (connection portion) is sandwiched between two RFIDs.
- RFID can be used to specify the timing 9652 (time t 2 ) when the leading end of one rack reaches the upstream belt 4063, but may not be necessary.
- FIG. 14 is an example of a temporal change in angular velocity output around the x-axis, y-axis, and z-axis obtained from the sensor that has passed the belt line in FIG.
- the timing of passing through each RFID in FIG. 13 is also shown.
- the broken lines 941, 942, 943, and 944 indicate the timing at which the tip of the single holder 11 contacts the belt on the downstream side.
- the angular velocity 930 around the z-axis starts to change from the timing when the single holder 11 contacts the downstream belt, and returns to 0 when the single holder 11 lands on the downstream belt.
- the traveling direction When the traveling direction is orthogonal, it rotates greatly around the z-axis, so it is easy to detect the contact timing from the angular velocity 930 around the z-axis, but the change is small and difficult to detect when going straight. Further, when the single holder is traveling straight on the line, there is a case where the rotation due to contact with the guide is slight and is less than the sensitivity of the angular velocity sensor. Therefore, an error between the rotation angle of the z-axis obtained by integrating the angular velocity while moving between the belt lines and the actual rotation angle shown in FIG. 13 may increase.
- the sensor output is coordinate-converted using the rotation angle of the z axis and converted into a value in a three-dimensional coordinate system 1120 fixed to the apparatus.
- the angular velocities and angles around the x, y, and z axes are d ⁇ / dt, d ⁇ / dt, d ⁇ / dt, and ⁇ ⁇ ⁇ ⁇ ⁇ , and the angular velocities and angles around the X, Y, and Z axes, respectively.
- the vertical axes in FIGS. 15A and 15B are examples of angular velocities about the x-axis and the y-axis measured when the single holder 11 moves straight between the belts.
- the vertical axis of FIG. 15C is the absolute value obtained by the above (Equation 4).
- the acquired angular velocity data includes a plurality of angular velocity fluctuations as shown in FIG.
- the timing at which the single rack 11 comes into contact with the downstream belt can be obtained from the rising of the angular velocity around the z-axis in FIG.
- an RFID is provided for each line as shown in FIG.
- timing 9651 when the leading end of one rack reaches the upstream belt 4063 (time t 1 ), assuming that the diameter of the single rack is L and the speed of the upstream belt is V,
- FIG. 16 is a schematic view at the moment when the tip of the single holder 11 comes into contact with the downstream belt 4062.
- the radius of the pulley 4161 that contacts the end of the upstream belt 4061 is r
- the step is h
- the contact line between the bottom surface of the single holder 11 and the cylindrical surface of the roller 4161, and the tip of the single holder 11 are in contact with the downstream belt 4062.
- L 1 be the distance from the geometric relationship
- the timing of starting the tilt is considered to be at least after the time when the tip of the single holder 11 is separated from the roller 4161.
- step h is
- FIG. 18 shows the result of calculating the steps at the 14 belt connecting portions by the method of this embodiment from the angular velocity data when passing through a plurality of belt line mechanisms.
- the first measurement result 961 is indicated by a solid line
- the second measurement result 962 is indicated by a dotted line. Since the first measurement result 961 and the second measurement result 962 are in good agreement, it can be seen that the step measurement method of this example is effective.
- the step between the belts can be automatically and quantitatively calculated from the angular velocity obtained from the angular velocity sensor, it is possible to reduce the adjustment and maintenance labor of the apparatus.
- the bottom surface means a surface facing the conveyor belt.
- FIG. 19 is a view in which a distance sensor 727 is provided on the bottom surface of the rack type inspection device 720 of the seventh embodiment shown in FIG.
- the distance sensor 727 is installed to face the conveyor belt.
- the distance sensor 727 measures the distance between the distance sensor 727 and the belt or metal surface in response to a belt or a metal plate that supports and supports a belt (not shown). That is, the distance sensor 727 measures the distance from the bottom surface of the conveyance body provided with the distance sensor to the conveyance belt.
- the distance measurement object is a metal
- an eddy current sensor or the like can be used.
- the distance measurement target is a belt, a reflective optical sensor, ultrasonic sensor, or the like can be used.
- FIG. 19 is a view in which a distance sensor 727 is provided on the bottom surface of the rack type inspection device 720 of the seventh embodiment shown in FIG.
- the distance sensor 727 is installed to face the conveyor belt.
- the distance sensor 727 measures the distance between the distance sensor 727 and the belt
- the rack type inspection device 720 is moving between the belts. In such a case, the distance measured by the distance sensor 727 varies greatly. Further, when the rack type inspection device 720 is moving on the belt, the output of the distance sensor 727 remains almost unchanged, and therefore the position of the connecting portion between the belts varies from the fluctuation of the output value of the distance sensor 727. Can be detected.
- the step may be obtained by creating a calibration curve for calculating a step by using the output of the distance sensor 727 when passing through a known step.
- a distance sensor 727 a calculation circuit that calculates a step from the output of the distance sensor 727, a memory that records the calculation result, a display such as an LCD that displays the calculation result, a storage battery serving as a power source for them, a calculation It is good also as an inspection device only for a level
- the RFID shown in the ninth embodiment is not necessary, and the apparatus cost can be reduced. Further, since the step is obtained from the output of the distance sensor, it is not necessary to mount another sensor for detecting the step or the connection portion. As a result, a low-cost inspection device can be realized. In addition, if the distance sensor 727 is provided at the center of the bottom surface of the rack type inspection device 720, even if the rack rotates around the z axis, it does not deviate from the vicinity of the center of the belt. Since there is no measurement accuracy is improved.
- this invention is not limited to the above-mentioned Example, Various modifications are included.
- the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.
- a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.
- Each of the above-described configurations, functions, processing units, processing means, and the like may be realized by hardware by designing a part or all of them with, for example, an integrated circuit.
- Each of the above-described configurations, functions, and the like may be realized by software by interpreting and executing a program that realizes each function by the processor.
- Information such as programs, tables, and files for realizing each function can be stored in a recording device such as a memory, a hard disk, an SSD (Solid State Drive), or a recording medium such as an IC card, an SD card, or an optical disk.
- a recording device such as a memory, a hard disk, an SSD (Solid State Drive), or a recording medium such as an IC card, an SD card, or an optical disk.
- control lines and information lines indicate what is considered necessary for the explanation, and not all the control lines and information lines on the product are necessarily shown. Actually, it may be considered that almost all the components are connected to each other.
Abstract
Description
ラック11であり、(b)は複数本の試験管17を保持して搬送する複数本ラック12で
ある。
図3に試験管型点検デバイス100(タイプ1)の概要を示す。図1中、101はデバイス自体の筺体でありサイズは一般的な試験管(外径16mm、長さ100mm)と略同形状とする。102は加速度、角度、温度、照度、音等のセンサ、103は測定データの記録、判定、有線または無線によるデータ送信を行う制御部、104は検体搬送を強制的に停止させる機械的ストッパ機構、105は電源部であり外部からの有線による充電が可能とする。106は異常発生時の警告灯である。センサ102は、点検項目により、加速度、角度、温度、照度のセンサ、または音記録のマイクのいずれかあるいはこれらの組合せを有するものとする。測定対象としては、加速度、角度センサによる検体搬送を行うラインのガタつき、ベルトの摩耗具合の点検、搬送中の装置内部温度を計測することによる検体搬送過程での温度環境の点検、搬送中の音を記録することによって搬送を行うラインの機械的異音による故障個所の点検、各種光系センサの異常発生の原因となる搬送ライン部内部の照度の点検、広角カメラを上端や側面に搭載し、搬送ライン内部を観察し、故障個所やライン上の障害物や落下物の点検が可能である。さらにカメラを上端や下端に搭載した場合には、検体の搭載位置のティーチング時の支援ツールとして使用することもできる。
図4に試験管型点検デバイス200(タイプ2)の概要を示す。図2中、201はデバイス自体の筺体でありサイズは一般的な試験管(外径16mm、長さ100mm)と同形状とする。202は撮影データの記録、データ送信を行う制御部、203は電源部、204はカメラである。
図5に試験管型点検デバイス300(タイプ3)の概要を示す。図3中、301はデバイス自体の筺体でありサイズは一般的な試験管(外径16mm、長さ100mm)と同形状とする。302は撮影データの記録、データ送信を行う制御部、303は電源部、304はカメラである。
図6に本発明における試験管型点検デバイスに位置情報を送信可能なRFIDリーダ/ライタを配置した搬送ラインの概要を示す。
図7に、本発明における点検デバイス500(タイプ4)の概要を示す。点検デバイスは加速度、角度、温度、照度、音等のセンサ502、測定データの記録、判定を行う制御部503、電源部504を備える。
本実施例では、検体入りの検体容器と重量および重心をほぼ同じく調整した試験管型点検デバイスについて説明する。
本実施例によれば、搬送ライン内の検体容器の動きに近い測定データを得ることができるので、段差調整等の目標値を定めることが容易になる。なお、本実施例では、重量と重心を両方調整する例を説明したが、いずれか片方のみの調整でもよいことは明らかである。
本実施例では、ラックにセンサを内蔵したラック型点検デバイスについて説明する。以下では、一本ラックを例に挙げて説明するが、本実施例の適用はこれに限られず複数本の検体容器が収納可能なラックに適用することもできる。「ラック」は、試験管を保持することが可能な収容部を有し、搬送ベルト上を搬送されるため、「搬送体」と称されることもある。
本実施例では、測定結果の表示方法について説明する。
本実施例では、図11~図18により、点検デバイスから得られた角速度信号からベルトラインのつなぎ目(接続部)の段差の値を求める方法を説明する。
本実施例では、ラック型点検デバイスの底面に距離センサを設けた例について説明する。以下で、「底面」とは、搬送ベルトに向かい合う面のことを意味する。
100,200,300,500,600,700,800:点検デバイス、101,201,301,501:筺体、102,404:センサ、103,202,302,403:制御部、104:ストッパ機構、105,203,303,504:電源部、106:警告灯、111:中心軸、204,304,405:カメラ、
600:点検デバイス、601:検体容器、602:センサ、603:制御部、605:電源部、607:ウエイト、608:スペーサ、609:栓、
700:ラック型点検デバイス、701:受電・通信部、702:センサ部、703:制御部、704:送電・通信部、705:電源部、707:システム制御部、711:試験管保持部、727:距離センサ、
800:点検デバイス、802:センサ、803:制御部、804:表示部、805:電源部、806:電源/通信変換部、807:通信用コイル、808:受電用コイル、810:リモコン、811:表示部、812:操作ボタン、813:制御部、820:送電/通信ドック、826:ラック、827:通信用コイル、828:送電用コイル、829:電源/通信変換部、
910:x軸周りの角速度(センサ座標系)、915:x軸周りの角速度の変動(センサ出力)、920:y軸周りの角速度(センサ座標系)、925:y軸周りの角速度の変動(センサ出力)、930:z軸周りの角速度(センサ座標系)、961:1回目測定値、962:2回目測定値、965:角速度絶対値の変動
1110:ラック上のセンサの座標系、1111、1112、1113、1114、1115:ラック、1120:装置の座標系(外界)
4021、4022、4023、4024、4025:RFIDリーダ/ライタ
4061、4062、4063、4064、4065:ベルト、4161、4163、4164:プーリ、4261、4262、4263、4264:ガイド、4361、4363:段差
Claims (15)
- 試験管を保持し搬送ベルト上を搬送することが可能な搬送体に着脱可能に保持できる外形を有する収容体と、
前記収容体内に設けられ、搬送中における装置内の状態を検出するセンサと、
前記センサの出力データを記憶する記憶部と、
前記記憶部内のデータを外部に転送する転送部と、を有する点検デバイス。 - 請求項1記載の点検デバイスにおいて、
前記センサは加速度センサ、角速度センサ、傾斜センサ、マイク、照度センサ、温度センサの少なくともいずれかである、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
前記センサは撮像素子であり、
前記転送部は、前記撮像素子により撮像した画像を外部コンピュータに送信する手段である、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
前記搬送体による搬送中に、搬送経路近傍に配置された書き込みアンテナから位置情報を非接触で書き込み可能な記憶媒体を備える、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
前記センサ、前記記憶部、および前記転送部を試験管内に収容した状態で、当該試験管を前記ラックに保持させて前記自動分析装置内を搬送させることにより、搬送中における装置内の状態を前記センサで検出して前記記憶部に記憶させる、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
前記センサ、前記記憶部、および前記転送部に電力を供給する電源部を有する、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
当該点検デバイスの重量を調整する錘または当該点検デバイスの重心を調整するスペーサを有する、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
当該点検デバイスの外部に設置された送電部から電力を受電し、前記電源部に電力を供給する受電部を有する、点検デバイス。 - 請求項8記載の点検デバイスにおいて、
前記受電部は、搬送路の一部に設けられている送電部から電力を受電する、点検デバイス。 - 請求項1記載の点検デバイスにおいて、
前記センサからの出力データを処理する演算部と、
前記演算部での演算結果を表示する表示部を備えた、点検デバイス。 - 試験管を保持し搬送ベルト上を搬送することが可能な搬送体と、
前記搬送体内に設けられ、搬送中における装置内の状態を検出するセンサと、
前記センサの出力データを記憶する記憶部と、
前記記憶部内のデータを外部に転送する転送部と、を有する点検デバイス。 - 請求項11記載の点検デバイスにおいて、
前記センサ、前記記憶部、および前記転送部に電力を供給する電源部を有する、点検デバイス。 - 請求項11記載の点検デバイスにおいて、
当該点検デバイスの外部に設置された送電部から電力を受電し、前記電源部に電力を供給する受電部を有する、点検デバイス。 - 請求項13記載の点検デバイスにおいて、
前記受電部は、搬送路の一部に設けられている送電部から電力を受電する、点検デバイス。 - 請求項11記載の点検デバイスにおいて、
前記搬送体の底面に、当該搬送体の底面から前記搬送ベルトまでの距離を計測する距離センサを有する、点検デバイス。
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US10768186B2 (en) | 2020-09-08 |
CN107407688B (zh) | 2020-12-11 |
EP3273251A4 (en) | 2018-12-05 |
EP3273251B1 (en) | 2019-12-18 |
EP3273251A1 (en) | 2018-01-24 |
JP6660937B2 (ja) | 2020-03-11 |
US20180052183A1 (en) | 2018-02-22 |
CN107407688A (zh) | 2017-11-28 |
JPWO2016147714A1 (ja) | 2017-12-28 |
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