High throughput sample transfer system

Abstract

The utility model discloses a high-throughput sample transmission system which comprises a rack, a sample transfer device, an emergency sample track, a conventional sample track and a recovery sample track are arranged on the rack, and the emergency sample track, the conventional sample track and the recovery sample track are located on the same side of the sample transfer device. An emergency treatment conveying belt is arranged on the emergency treatment sample track, a sample supply conveying belt, a conveying guide groove and a sample sending conveying belt which are connected in sequence are arranged on the conventional sample track, and a recovery conveying belt is arranged on the recovery sample track; the middle of the emergency treatment sample track and the conveying guide groove are sampling areas, each sampling area is provided with one or more sampling positions, the sampling area of the emergency treatment sample track is provided with a swing type sample frame pushing handle, and the sampling area of the conventional sample track is provided with a double-pushing-handle switching device. The sampling device is ingenious in structure, convenient to use, safe, stable, high in sampling efficiency and capable of rapidly obtaining analysis results and meeting the requirements of users under the condition that the number of samples is large.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample transmission technical field especially, it is high throughput sample transmission system. BACKGROUND

[0002] Biochemical analyzer, chemiluminescence, nucleic acid etc. in vitro diagnostic equipment can give the detection result quickly, accurately, provide information basis for disease diagnosis, treatment, prognosis and health state. In the above in vitro diagnostic equipment, sample transfer is realized through sample transmission system. Usually, sample transmission system includes emergency sample track, conventional sample track and recovery sample track, each track is provided with blocking device for blocking sample rack, sample pushing device etc. for coordinating sample sampling rhythm, at the same time, sample transmission system is provided with sample transfer device for switching sample between each track. Because user requires faster detection result, therefore, the performance of in vitro diagnostic equipment needs further promotion, and for sample transmission system, it requires higher transmission speed and switching speed. SUMMARY

[0003] In order to solve the above problem, the utility model provides a kind of high throughput sample transmission system, and the following technical solutions can be specifically taken:

[0004] The high throughput sample transmission system of the utility model, including rack,

[0005] Sample transfer device and emergency sample track, conventional sample track, recovery sample track located on the same side of the sample transfer device are provided on the rack;

[0006] Emergency conveying belt is provided on the emergency sample track, sample conveying belt, conveying guide slot and sample conveying belt that are sequentially connected are provided on the conventional sample track, and recovery conveying belt is provided on the recovery sample track;

[0007] The sample transfer device includes fixed base provided on rack, translation mechanism is provided on the fixed base, variable track conveying belt perpendicular to the moving direction thereof is provided on the translation mechanism, the output end of emergency conveying belt, the output end of sample conveying belt or the input end of recovery conveying belt is connected with the variable track conveying belt, and one or more limiting blocking devices are provided on the variable track guide slot of the both sides of variable track conveying belt;

[0008] The middle part of emergency sample track and the conveying guide slot are provided with sampling area, and one or more sampling positions are provided in each sampling area, wherein, swing type sample rack pusher is provided in the sampling area of emergency sample track, and double pusher switching device is provided in the sampling area of conventional sample track;

[0009] The double push hand switching device comprises a guide arranged on the side of the frame, a first synchronous belt mechanism and a second synchronous belt mechanism, the guide, the first synchronous belt mechanism and the second synchronous belt mechanism are parallel to each other, the first push hand connected with the guide is arranged on the first synchronous belt mechanism, the second push hand connected with the guide is arranged on the second synchronous belt mechanism, the first push hand comprises a first movable blocking arm, a first sensor and a second sensor, the first push hand moves between the sampling position of the conventional sample track and the sample feeding conveyor belt, the second push hand comprises a second movable blocking arm and a third sensor, the second push hand moves between the sampling position of the conventional sample track and the sample feeding conveyor belt; the signal output ends of the first sensor, the second sensor and the third sensor are connected with the signal input end of the control unit, the control output end of the control unit is connected with the control input ends of the sample feeding conveyor belt, the sample feeding conveyor belt, the sampling needle, the first synchronous belt mechanism, the second synchronous belt mechanism, the first movable blocking arm and the second movable blocking arm respectively.

[0010] The supporting surfaces of the sample feeding conveyor belt, the conveying guide groove and the sample feeding conveyor belt are arranged in the same height.

[0011] The sampling positions of the emergency sample track and the conventional sample track are arranged on the rotating track line of the sampling needle of the analyzer.

[0012] The first movable blocking arm and the second movable blocking arm swing in the plane perpendicular to the transmission direction of the sample rack.

[0013] The first sensor and the second sensor are arranged on the two sides of the first movable blocking arm, the first sensor is close to the side of the sample feeding conveyor belt, and the second sensor is close to the side of the sample feeding conveyor belt.

[0014] The third sensor is arranged on the side of the second movable blocking arm close to the sample feeding conveyor belt.

[0015] The emergency sample track, the conventional sample track and the recycling sample track are arranged in parallel, and the emergency conveyor belt and the sample feeding conveyor belt are used for transferring the sample rack to the sampling position, and the recycling conveyor belt is used for recycling the sample rack with the sample to the sample management system.

[0016] The inlet end of the emergency conveyor belt, the inlet end and the outlet end of the recycling conveyor belt are respectively provided with a sample rack detection device, and the outlet end of the emergency conveyor belt, the inlet end of the sample feeding conveyor belt, the outlet end of the sample feeding conveyor belt and the outlet end of the sample transfer device are respectively provided with a sample rack limiting device.

[0017] The present invention sets a double-push handle switching device on the conventional sample track. Through the reception, pushing and pushing of the double push handles, each sample is sent to the sampling position one by one for sampling. During sampling, the sample rack is unpowered, so that the sample rack can remain more stable, avoiding the sample rack jumping and causing adverse phenomena such as pin collision, and reducing the equipment failure rate. Finally, the double push handles work in coordination with each other to ensure the rapid switching between adjacent sample racks at the analyzer sampling position, thereby avoiding the sampling waiting time and allowing the sampling device to work continuously to meet the throughput requirements of high-speed instruments. At the same time, a limit blocking device and a sample rack in place detection device are set at the ends of the emergency sample track, the conventional sample track and the recovery sample track to cooperate with the sample transportation, thereby realizing rapid transfer between different tracks. The present invention has a clever structure, is easy to use, safe and stable, has high sampling efficiency, can quickly obtain analysis results, and can meet user needs even when there are many samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 It is a structural schematic diagram of the sample transport device of the present invention.

[0020] Figure 3 It is a structural schematic diagram of the double-handle switching device of the utility model.

[0021] Figure 4 yes Figure 3 Bottom view of the central sampling area (without the sample rack and the push handle position does not correspond).

[0022] Figure 5 It is a schematic diagram of the work flow of the present utility model. DETAILED DESCRIPTION

[0023] The following is a detailed description of an embodiment of the present invention in conjunction with the accompanying drawings. This embodiment is implemented based on the technical solution of the present invention, and a detailed implementation method and specific working process are given. However, the protection scope of the present invention is not limited to the following embodiment.

[0024] like Figure 1 、 3The utility model discloses a high flux sample transmission system, including frame, be provided with sample transfer device 1 on the frame and be located sample transfer device 1 same side and mutually parallel emergency sample track 2, conventional sample track 3, recycling sample track 4. Emergency sample track 2 is provided with emergency conveying belt, and conventional sample track 3 is provided with the sample conveying belt 31 of successive link, conveying guide slot 32 and sample conveying belt 33 (the supporting surface of three equal height is provided), and recycling sample track 4 is provided with recycling conveying belt. Emergency conveying belt 2, sample conveying belt 31 and sample conveying belt 33 are all used to transmit sample rack to sample transfer device 1, and recycling conveying belt is used to receive sample rack on sample transfer device 1 and transmit it to the direction away from sample transfer device 1.

[0025] As Figure 2 Sample transfer device 1 includes fixed base 11 installed on the frame, and the fixed base is installed with synchronous belt mechanism, slide rail, mobile support 12 constitutes translation mechanism, wherein the side of mobile support 12 is provided with motor-driven variable track conveying belt 13, and both sides of variable track conveying belt 13 are provided with variable track guide slot 14, and the central axis of variable track guide slot 14 is perpendicular to the moving direction of mobile support 12. Therefore, along with the movement of mobile support 12, variable track conveying belt 13 can be linked with the output end of emergency conveying belt, the output end of sample conveying belt 33 or the input end of recycling conveying belt, so as to complete the switching of sample rack between emergency sample track 2 and recycling sample track 4, and between conventional sample track 3 and recycling sample track 4.

[0026] One or more limiting blocking devices 15 are arranged on the above-mentioned variable track guide slot 14, for realizing the limiting and release functions of sample rack during the transfer process on the sample transfer device. When the limiting blocking device 15 is one and is arranged at one end of the variable track guide slot 14, it is used to control the transfer of sample rack from emergency track 2, conventional track 3 to return track 4 and cooperate with variable track conveying belt 13, realize the bidirectional movement of sample rack along the variable track guide slot 14 on the sample transfer device 1, realize the transfer between different tracks in a single analyzer or the carrying between front and rear tracks when multiple analyzers are connected. When two limiting blocking devices 15 are arranged at both ends of the variable track guide slot 14, they are used to realize the front and rear transfer of sample rack between front and rear analyzers when the spacing between front and rear analyzer tracks is different in the case of multiple analyzers being connected.

[0027] In order to complete the sampling detection work, the sampling area is arranged on the middle part of the emergency sample track 1 and the conveying guide groove 32 of the regular sample track 3, and one or more sampling positions are arranged in each sampling area and located on the rotating track of the sampling needle of the analyzer. In addition, the swing type sample rack pusher is arranged in the sampling area of the emergency sample track 2, and the double pusher switching device is arranged in the sampling area of the regular sample track 2 to block and push the sample rack, so as to complete the sampling work with the sampling needle.

[0028] The swing type sample rack pusher of the emergency sample track 2 includes a synchronous belt driven pusher, and a block connected with a torsion spring is arranged on the pusher. When it is needed to block the sample rack, the block is extended to block the front side of the sample rack under the action of the torsion spring; when it is needed to release the sample rack, the pusher moves as a whole to the direction of transmitting the sample rack of the emergency sample track 2, and the moving block is retracted under the block of the side wall of the emergency guide groove, and the sample rack moves forward under the drive of the emergency conveying belt.

[0029] As shown in Figures 3-5 The double pusher switching device of the regular sample track 3 includes a guide 34 (usually a linear guide rail) arranged on the side of the rack at the conveying guide groove 32, a first synchronous belt mechanism 35 and a second synchronous belt mechanism 36, and the guide 34, the first synchronous belt mechanism 35 and the second synchronous belt mechanism 36 are parallel to each other. The first pusher 37 connected with the guide 34 is arranged on the first synchronous belt mechanism 35, and the second pusher 38 connected with the guide 34 is arranged on the second synchronous belt mechanism 36.

[0030] The first pusher 37 includes a support, a power source, a first movable blocking arm 371, a first sensor 372 and a second sensor 373, and the first pusher 37 moves between the sampling position and the sample conveying belt 31. The second pusher 38 includes a support, a power source, a second movable blocking arm 381 and a third sensor 382, and the second pusher 38 moves between the sampling position and the sample conveying belt 33. The power source (i.e. a rotary motor) is arranged on the support, and the first movable blocking arm 371 and the second movable blocking arm 381 are directly connected with the output shaft of the power source or connected with the power source through a connecting rod mechanism. The first movable blocking arm 371 and the second movable blocking arm 381 swing in the plane perpendicular to the transmission direction of the sample rack, so as to have the release state in the vertical direction and the blocking state in the horizontal direction.

[0031] The signal output ends of the first sensor 372, the second sensor 373 and the third sensor 382 are connected with the signal input ends of the control unit, and the control output ends of the control unit are respectively connected with the control input ends of the sample supply conveying belt 31, the sample feeding conveying belt 33, the sampling needle, the first movable blocking arm 371 and the second movable blocking arm 381. Specifically, the first sensor 372 and the second sensor 373 are respectively arranged on the two sides of the first movable blocking arm 371, and the first sensor 372 is arranged close to the side of the sample supply conveying belt 31, and the second sensor 373 is arranged close to the side of the sample feeding conveying belt 33; the third sensor 382 is arranged close to the side of the sample feeding conveying belt 33 of the second movable blocking arm 381.

[0032] When the double-push-hand switching device is used in cooperation with the analyzer to perform sampling work, the following steps are performed:

[0033] S1, at the beginning of the operation of the device, the first push hand 37 and the second push hand 38 are arranged in the sampling area and are respectively located at the "initial positions", and the first movable blocking arm 371 and the second movable blocking arm 381 are both in the release state;

[0034] S2, the sample supply conveying belt 31 is started to drive the sample rack a to run to the sampling area, and at the same time, the first push hand 37 is moved to the designated position in the sampling area, the first movable blocking arm 371 is switched from the release state to the blocking state, and the sample rack a is stopped before running to the position of the movable blocking arm 371, at this time, the first sensor 372 detects the sample rack a, and the sample supply conveying belt 31 is stopped;

[0035] S3, the first movable blocking arm 371 is switched to the release state, and the first push hand 37 is driven by the first synchronous belt mechanism 35 to move to the tail of the sample rack a, when reaching the predetermined position, the second sensor 373 sends a signal to the control unit, the first movable blocking arm 371 is switched to the blocking state, and the sample rack a is pushed to move forward until the first sample tube at the front end of the sample rack a reaches the sampling position, at this time, the position of the first push hand 37 is the "sampling starting position";

[0036] S4, when the sampling needle starts to work, the first push hand 37 and the second push hand 38 also start to act, wherein the first push hand 37 returns to the initial position, waits for the sample rack b to arrive, and pushes the next round; the second push hand 38 is driven by the second synchronous belt mechanism 36 to move to the sampling starting position, at this time, the third sensor 382 sends a signal to the control unit to make the second movable blocking arm 381 turn to the blocking state, and the sample supply conveying belt 31 is started to make the sample rack b stop moving when it is blocked by the first movable blocking arm 371, when the first sensor 372 detects the sample rack b, the first movable blocking arm 371 turns to the release state, the sample supply conveying belt 31 continues to run for a period of time until the sample rack b is conveyed to the position of the second movable blocking arm 381, the sample supply conveying belt 31 stops running, and the first push hand 37 moves to the tail of the sample rack b, when the first sensor 372 detects the sample rack b, the first movable blocking arm 371 turns to the blocking state, the first push hand 37 and the second push hand 38 synchronously and intermittently push the sample racks a and b forward according to the working rhythm of the sampling needle, after the sampling of each sample on the sample rack a is completed, the second push hand 38 pushes the sample rack a to the sample delivery conveying belt 33, and the first push hand 37 pushes the sample rack b to the sampling position, at this time, the sample rack a is on the sample delivery conveying belt 33, and the sample rack b is at the sampling position.

[0037] S5, the sample delivery conveying belt 33 is started to continue to convey the sample rack a, and the second push hand 38 returns to the sampling starting position again, and pushes the sample rack b to move forward to complete the sampling work in the manner described in the fourth step.

[0038] The mutual switching and relay pushing of the sample racks by the first push hand 37 and the second push hand 38 greatly improves the pushing efficiency and sampling efficiency of the sample racks, reduces the equipment failure rate, and ensures the long-term stable operation of the equipment.

[0039] Generally, sample rack detection devices for detecting the positions of the sample racks are respectively installed at the inlet end of the emergency conveying belt, the inlet end and the outlet end of the recovery conveying belt, the above-mentioned sample rack detection devices are used for dynamic detection of the sample racks at the above-mentioned positions, realize the advance release of the translation device of the sample transfer device and the transfer trolley of the sample management system, improve the sample transfer efficiency and flux; sample rack limiting devices are arranged at the outlet end of the emergency conveying belt, the inlet end of the sample supply conveying belt 31, the outlet end of the sample delivery conveying belt 33, and the outlet end of the sample transfer device 1, cooperate with the sample needle to arrange the sample rack to enter, discharge, sample, change track and the like under the overall control of the control unit, are used for buffering and release in the sample rack conveying process, and improve the overall operation stability of the equipment.

[0040] It should be noted that in the description of the utility model, such as "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating the orientation or positional relationship of the terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

Claims

1. A high-throughput sample transport system, characterized by: The rack comprises a sample transfer device and an emergency sample track, a regular sample track and a recovery sample track arranged on the same side of the sample transfer device. The emergency sample track is provided with an emergency conveying belt, the regular sample track is provided with a sample feeding conveying belt, a conveying guide groove and a sample feeding conveying belt connected in sequence, and the recovery sample track is provided with a recovery conveying belt. The sample transfer device comprises a fixed base arranged on the rack, a translation mechanism arranged on the fixed base, a variable track conveying belt arranged on the translation mechanism and perpendicular to the moving direction of the translation mechanism, the variable track conveying belt is connected with the output end of the emergency conveying belt, the output end of the sample feeding conveying belt or the input end of the recovery conveying belt, and one or more limiting and blocking devices are arranged on the variable track guide grooves on both sides of the variable track conveying belt. The middle part of the emergency sample track and the conveying guide groove are provided with a sampling area, and one or more sampling positions are arranged in each sampling area, wherein the sampling area of the emergency sample track is provided with an oscillating sample rack pusher, and the sampling area of the regular sample track is provided with a double pusher switching device. The double pusher switching device comprises a guide arranged on the side of the rack, a first synchronous belt mechanism and a second synchronous belt mechanism, the guide, the first synchronous belt mechanism and the second synchronous belt mechanism are parallel to each other, the first synchronous belt mechanism is provided with a first pusher connected with the guide, the second synchronous belt mechanism is provided with a second pusher connected with the guide, the first pusher comprises a first movable blocking arm, a first sensor and a second sensor, the first pusher moves between the sampling position of the regular sample track and the sample feeding conveying belt, the second pusher comprises a second movable blocking arm and a third sensor, the second pusher moves between the sampling position of the regular sample track and the sample feeding conveying belt, the signal output ends of the first sensor, the second sensor and the third sensor are connected with the signal input end of the control unit, and the control output end of the control unit is connected with the control input ends of the sample feeding conveying belt, the sample feeding conveying belt, the sampling needle, the first synchronous belt mechanism, the second synchronous belt mechanism, the first movable blocking arm and the second movable blocking arm respectively. The supporting surfaces of the sample feeding conveying belt, the conveying guide groove and the sample feeding conveying belt are arranged at the same height.

2. The high-throughput sample transport system of claim 1, wherein: The sampling positions of the emergency sample track and the regular sample track are arranged on the rotation track line of the sampling needle of the analyzer.

3. The high throughput sample transport system of claim 1, wherein: The first movable blocking arm and the second movable blocking arm oscillate in a plane perpendicular to the transmission direction of the sample rack.

4. The high throughput sample transport system of claim 1, wherein: The first sensor and the second sensor are arranged on both sides of the first movable blocking arm, the first sensor is close to the side of the sample feeding conveying belt, and the second sensor is close to the side of the sample feeding conveying belt.

5. The high-throughput sample transport system of claim 1, wherein: The third sensor is arranged on the side of the second movable blocking arm close to the sample feeding conveying belt.

6. The high throughput sample transport system of claim 1, wherein: The emergency sample track, the regular sample track and the recovery sample track are arranged in parallel, the emergency conveying belt and the sample feeding conveying belt are used for transferring the sample rack to the sampling position, and the recovery conveying belt is used for recovering the sample rack with the sample to the sample management system.

7. The high throughput sample transport system of claim 1, wherein: ​ 8. The high throughput sample transport system of claim 1, wherein: The import end of the emergency conveying belt, the import end and the export end of the recycling conveying belt are respectively provided with sample rack detection devices, and the export end of the emergency conveying belt, the import end of the sample conveying belt, the export end of the sample conveying belt and the export end of the sample transfer device are all provided with sample rack limiting devices.

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