CN116893275B - Sample test tube rack transmission system and transmission method - Google Patents
Sample test tube rack transmission system and transmission method Download PDFInfo
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- CN116893275B CN116893275B CN202311159442.6A CN202311159442A CN116893275B CN 116893275 B CN116893275 B CN 116893275B CN 202311159442 A CN202311159442 A CN 202311159442A CN 116893275 B CN116893275 B CN 116893275B
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- emergency
- sample test
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- 238000012360 testing method Methods 0.000 title claims abstract description 137
- 230000005540 biological transmission Effects 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 35
- 238000001514 detection method Methods 0.000 claims description 33
- 230000000670 limiting effect Effects 0.000 claims description 30
- 230000003578 releasing effect Effects 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 6
- 238000005213 imbibition Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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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
- B65G35/00—Mechanical conveyors not otherwise provided for
-
- 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
Abstract
The invention relates to the technical field of test tube rack transmission, in particular to a sample test tube rack transmission system and a sample test tube rack transmission method.
Description
Technical Field
The invention relates to the technical field of test tube rack transmission, in particular to a sample test tube rack transmission system and a sample test tube rack transmission method.
Background
With the great development of the automation technology of medical equipment, the automation degree of medical laboratories is also developing rapidly, more and more manual operation and semi-automatic equipment are gradually replaced by laboratory automation equipment, and laboratory staff is changed from heavy and repeated physical labor into accurate and efficient mental labor. Modern medical automatic analysis equipment gradually appears in the field of vision of people, and the full-automatic inspection system is realized through the butt joint of transmission track and analyzer.
The Chinese patent with publication number of CN104569461A discloses a sample rack conveying device, a production line and a conveying method, although automatic detection of a conveyed sample can be achieved, an inner rail and an outer rail can be simultaneously kept communicated through a double-channel rail transfer area, so that the efficiency of conveying the sample rack is improved, but the rail butt joint technology and rail installation are relatively complex, and the requirement on the butt joint precision during installation is relatively high due to the integrated design of a rail transfer mechanism and the rail; secondly, in a detection line with a plurality of transmission tracks connected in series, the problem of low docking efficiency exists in the docking equipment between the transmission tracks; in addition, the transmission method of the transmission track in the prior art also has the problems that the transmission method is unreasonably arranged, so that the whole transmission resource can not be fully utilized, and the transmission efficiency is low.
Disclosure of Invention
The invention aims to provide a sample test tube rack transmission system and a sample test tube rack transmission method, which are used for solving the technical problems of unreasonable setting and low transmission efficiency of a sample test tube rack in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a sample test-tube rack transmission system, includes two at least groups transmission track units, and every group transmission track unit all includes parallel arrangement's conventional track, emergency call track and return stroke track, and lay the track-changing dolly that is used for transmitting the sample test-tube rack between two adjacent groups transmission track units and between every inside each track of every group transmission track unit, all installs the sensor that is used for detecting sample test-tube rack and is in each point position on every track of every group transmission track unit, the return stroke track is two-way transmission track.
Further, the transmission track unit further comprises a conventional shifting fork for carrying out buffer follow-up limiting and releasing on the conventional track sample test tube rack, an emergency shifting fork assembly for carrying out buffer follow-up limiting and releasing on the emergency track sample test tube rack and a return shifting fork for carrying out buffer storage, limiting and releasing on the return track sample test tube rack, wherein the conventional shifting fork comprises a conventional bottom plate, an upper shifting fork connecting piece and a lower shifting fork connecting piece which are arranged on the conventional bottom plate, the upper shifting fork connecting piece and the lower shifting fork connecting piece independently operate and do not interfere with each other in travel, and is used for alternately carrying out buffer storage, liquid absorption and releasing actions on the conventional track on the adjacent sample test tube racks in a follow-up limiting mode.
Further, the upper shifting fork connecting piece is slidably mounted on an upper linear guide rail on the conventional bottom plate, the lower shifting fork connecting piece is slidably mounted on a lower linear guide rail on the conventional bottom plate, the upper shifting fork connecting piece is driven to reciprocate by an upper driving motor mounted on the conventional bottom plate, the lower shifting fork connecting piece is driven to reciprocate by a lower driving motor mounted on the conventional bottom plate, an upper shifting fork for limiting a sample test tube rack on a conventional rail is mounted on the upper shifting fork connecting piece, and a lower shifting fork for limiting the sample test tube rack on the conventional rail is mounted on the lower shifting fork connecting piece.
Further, the upper fork driving motor, the upper fork driving rod and the upper fork connecting rod are installed on the upper fork connecting piece, a motor shaft of the upper fork driving motor is installed on the upper fork connecting piece, the upper fork driving motor is fixedly installed relative to the upper fork guide rod, the upper fork guide rod is connected with the upper fork driving rod and drives the upper fork driving rod to reciprocate, one end of the upper fork connecting rod is rotatably installed with the upper fork driving rod through a rotating shaft, the other end of the upper fork connecting rod is rotatably installed with one end of the upper fork through the rotating shaft, the middle part of the upper fork is rotatably installed on the upper fork connecting piece through a fork rotating shaft, the lower fork driving motor, the lower fork driving rod and the lower fork connecting rod are installed on the lower fork connecting piece through a lower rotating shaft, the lower guide rod is connected with the lower fork driving rod and drives the lower fork driving rod to reciprocate, one end of the lower fork connecting rod is rotatably installed with the lower fork driving rod through the rotating shaft, the other end of the lower connecting rod is rotatably installed with one end of the lower fork through the rotating shaft, and the middle part of the lower fork is rotatably installed on the lower rotating shaft.
Further, the outlets of the conventional rail, the emergency rail and the return rail are respectively provided with a conventional brake component, an emergency brake component and a return brake component, the conventional brake component, the emergency brake component and the return brake component are respectively matched with the track changing trolley to control the on-off of the outlets of the conventional rail, the emergency rail and the return rail, the track changing trolley comprises a trolley bottom plate and a trolley rail which reciprocates along the direction perpendicular to the rail transmission direction, and the inlet and the outlet of the trolley rail are respectively provided with an inlet brake component and an outlet brake component which are independently matched with the conventional brake component, the emergency brake component and the return brake component.
Based on the sample test tube rack transmission system, each transmission track unit corresponds to one workstation and is used for independently detecting items, and the method comprises the following steps:
s1: the computer performs instruction setting and storage on a sample test tube rack to be detected in advance;
s2: judging the number n of workstations spaced by the workstations of a sample test tube rack where a to-be-detected item is located, if n=0, namely, the sample test tube rack has no to-be-detected item, executing S3, if n=1, namely, the next workstation, namely, the to-be-detected workstation of the sample test tube rack, executing S4, if n is more than 1, transmitting to the nth workstation through any one of the idle channels of the normal channel, the emergency channel and the return channel of the first n-1 workstations and the track-changing trolley, and executing S4;
s3: the sample test tube rack is transmitted to the return track through the track outlet where the sample test tube rack is positioned by the track changing trolley and then is output to the whole detection system, and the detection is completed;
s4: judging whether the sample is an emergency sample, if so, executing S5 after entering an emergency track of the workstation, if the emergency track has an ongoing detection item, executing S2 after waiting for the emergency track to be idle by the initial station, if not, executing S6 after entering a conventional track of the workstation, if the conventional track has an ongoing detection item, executing S2 after waiting for the conventional track to be idle by the initial station;
s5: the sample test tube rack enters an emergency treatment track to carry out emergency treatment imbibition detection and then enters a rail-changing trolley, and S2 is executed;
s6: and (2) enabling the sample test tube rack to enter a conventional track for conventional liquid suction detection, then entering a rail-changing trolley, and executing S2.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) According to the invention, three groups of tracks are respectively a conventional track, an emergency track and a two-way transmission return track, and the three groups of tracks are matched with the track transfer trolley to finish high-efficiency transmission of the sample test tube rack to be detected, so that the technical prejudice that the return track only can return the detected samples in one direction in the traditional technology is abandoned, the full utilization of the system structure is realized by combining the transportation method, the idle rate of each track is reduced, and the detection efficiency of the sample test tube rack system is improved;
(2) The invention realizes the progress control of the sample test tube racks on three tracks by arranging the conventional shifting fork, the emergency shifting fork and the return shifting fork, particularly the structure of the conventional shifting fork, and abandons the problems of the conventional tracks in the prior art when the sample test tube racks are transmitted, for example, the shifting fork mechanism can only control the sample test tube racks to absorb liquid after the front and back sample test tube racks are released by the gear mechanism, and the shifting fork mechanism can control the liquid absorption of the next sample test tube rack again only after the liquid absorption is completed, and the phenomenon that the detection efficiency is influenced by the idle time of equipment is avoided by adopting the upper shifting fork connecting piece and the lower shifting fork connecting piece which independently operate to alternately carry out gear follow-up and control the liquid absorption and release on the two adjacent sample test tube racks;
(3) According to the invention, the brake components are arranged at the outlets of the three tracks to cooperatively and cooperatively link with the brake components at the inlet and the outlet of the track-changing trolley, so that the complex structure of the track-changing mechanism is simplified, the detection efficiency is ensured, and the production cost is reduced; meanwhile, compared with the integrated design of the rail changing mechanism and the rail disclosed in the prior art, the rail changing trolley can weaken the high requirement of the transmission rail unit on the butt joint precision, has no requirement on the butt joint precision of the transmission rail unit, and can still realize the conveying of the sample test tube rack between the two transmission rail units even if the two transmission rail units generate larger errors in butt joint.
Drawings
FIG. 1 is a schematic diagram of the structure of the entire transmission track system of the present invention from the opposite view;
FIG. 2 is a schematic diagram of the structure of the whole transmission track system in the forward view of the present invention;
FIG. 3 is a schematic illustration of the operational position of the entire conveyor track system of the present invention;
FIG. 4 is a schematic view of a left side axle of the track-changing trolley of the present invention;
FIG. 5 is a schematic view of a right side axle of the track-changing trolley of the present invention;
FIG. 6 is a left side axial schematic view of a conventional fork according to the present invention;
FIG. 7 is a right side axial schematic view of a conventional fork according to the present invention;
FIG. 8 is a schematic view of the forward axial measurement of the return fork of the present invention;
FIG. 9 is a schematic diagram of a reverse axis of the return fork of the present invention;
FIG. 10 is a schematic diagram of an emergency fork assembly of the present invention;
FIG. 11 is a schematic diagram of a transmission track of the present invention;
FIG. 12 is a schematic diagram of a distribution of the transmission track sensor according to the present invention.
In the figure 1, a transmission track unit; 101. a rail side plate; 102. a track motor; 103. a track belt; 104. a left end pulley assembly; 105. a track driving wheel; 106. a tensioning assembly; 107. a right end pulley assembly; 108. a conventional brake assembly; 109. an emergency braking assembly; 110. a return brake assembly; 111. a track support plate; 112. a return rail motor;
2. a rail-changing trolley; 201. a trolley bottom plate; 202. a trolley guide rail; 203. a trolley connecting plate; 204. an X-axis motor of the trolley; 205. the trolley belt drives a motor; 206. an inlet brake motor; 207. an inlet brake guide rod; 208. an inlet brake pad; 209. an entrance reset optocoupler; 210. an outlet brake motor; 211. an outlet brake guide rod; 212. an outlet brake pad; 213. an outlet reset optocoupler; 214. a trolley belt driving wheel; 215. a trolley tensioning assembly; 216. driven wheel of the trolley; 217. resetting an optocoupler of the X-axis of the trolley; 218. a trolley belt baffle;
3. a conventional shifting fork; 301. a conventional base plate; 302. an upper linear guide rail; 303. a lower linear guide rail; 304. an upper driving wheel; 305. a lower driving wheel; 306. an upper driving motor; 307. a lower driving motor; 308. an upper reset optocoupler; 309. a lower reset optocoupler; 310. a code disc is arranged; 311. a lower code disc; 312. an upper shifting fork driving motor; 313. an upper fork guide rod; 314. the upper shifting fork resets the optocoupler; 315. an upper fork connection; 316. an upper shift fork transmission rod; 317. an upper fork connecting rod; 318. an upper fork; 319. a lower shifting fork driving motor; 320. a lower fork guide rod; 321. resetting the optocoupler by a lower shifting fork; 322. a lower fork connection; 323. a lower shift fork transmission rod; 324. a lower fork connecting rod; 325. a lower fork;
4. a return fork; 401. a return mounting plate; 402. a return shift fork code disc; 403. resetting the optocoupler by a return shift fork; 404. a return connection; 405. a return transverse linear guide rail; 406. a return drive motor; 407. a return driving wheel; 408. a return longitudinal linear guide rail; 409. a tension spring; 410. a bearing; 411. a push rod;
5. an emergency fork assembly; 501. an emergency mounting plate; 502. an emergency driving motor; 503. an emergency transmission belt; 504. emergency treatment linear guide rail; 505. an emergency reset optocoupler; 506. an emergency fork;
6. a test tube rack;
71. a backhaul inlet sensor; 72. an emergency entrance sensor; 73. a conventional inlet sensor; 74. a backhaul unloading position sensor; 75. a conventional cache bit sensor; 76. emergency call liquid level sensor; 77. a conventional suction level sensor; 78. a conventional outlet sensor; 79. emergency exit sensor; 80. a backhaul exit sensor; 81. a cart inlet sensor; 82. a trolley outlet sensor; 83. a backhaul stop node; 84. emergency stop nodes; 85 conventional stop nodes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to the sample test tube rack 6 transmission system disclosed by the invention, one or more detection projects are generally needed to be carried out on the test tube rack 6 to be detected, and because the liquid suction operation is needed to be carried out on a plurality of work stations, the problems of unreasonable detection logic and low transmission efficiency exist in the traditional sample detection, so the invention carries out the following improvement.
Referring to fig. 1-3 and 12, a sample test tube rack 6 conveying system includes at least two groups of conveying track units 1, each group of conveying track units 1 includes a conventional track, an emergency track and a return track which are arranged in parallel, a conventional shifting fork 3 for buffering, follow-up limiting and releasing the test tube rack 6 of the conventional track, an emergency shifting fork assembly 5 for carrying out follow-up limiting and releasing the test tube rack 6 of the emergency track, and a return shifting fork 4 for limiting and releasing the test tube rack 6 of the return track, wherein the follow-up limiting means is as follows: the conventional shifting fork 3 and the emergency shifting fork 506 can be synchronously transported forward with the sample test tube rack 6, the track changing trolley 2 for transporting the sample test tube rack 6 is arranged between two adjacent groups of the transporting track units 1 and between all the tracks in each group of the transporting track units 1, and the sensors for detecting the sample test tube rack 6 at all the positions are arranged on all the tracks of each group of the transporting track units 1, wherein the return track is a bidirectional transporting track, so that the technical bias that the return track can only return the detected samples in one direction in the prior art is abandoned, and the transporting method of the invention is combined to realize the full utilization of the system structure, reduce the idle rate of all the tracks and improve the detecting efficiency of the sample test tube rack system.
With reference to fig. 11 and 12, the transmission track unit 1 includes a track support plate 111 at the bottom of the two ends of the track entrance and exit, and a track side plate 101 disposed in parallel and having two ends respectively mounted on the track support plate 111, wherein a conventional track and an emergency track are disposed between the two track side plates 101, a return track is disposed between the two track side plates 101, the return track and the emergency track are spaced apart by the track side plate 101, the conventional track and the emergency track are spaced apart by a small partition, wherein the conventional track and the emergency track are driven by a track motor 102 mounted at the bottom of the track side plate 101 to perform a cyclic rotation motion by a belt transmission, and it is understood that the track motor 102 is mounted coaxially with a track driving wheel 105, the track driving wheel 105 drives a left end pulley assembly 104 and a right end pulley assembly 107 mounted at the bottom of the two ends of the track side plate 101 to rotate synchronously by a track belt 103, the left end pulley assembly 104 and the right end pulley assembly 107 are connected to pulleys respectively mounted at the conventional track and emergency track entrance and exit by the track belt 103 by a synchronous transmission, the return track motor 112 mounted at the bottom of the track side plate 101 is driven by a return motor 112 mounted at the bottom of the track side plate 101 to perform a cyclic rotation motion by the belt transmission. In addition, the brake components are installed at the outlet ends of the conventional rail, the emergency rail and the return rail, specifically, the conventional brake component 108 of the conventional rail outlet, the emergency brake component 109 of the emergency rail outlet and the return brake component 110 of the return rail outlet, it is understood that the brake components comprise a base fixedly installed on the rail supporting plate 111 and a brake head installed by sliding and lifting the bottom end of the brake head through a spring and the base, when the brake is required to be blocked, the brake head of the brake component is higher than the upper surfaces of the rail belts 103 of the conventional rail, the emergency rail and the return rail under the reset action of the spring, and when the brake head is pressed, the brake head is pressed down to compress the spring, and the height of the brake head is lower than the upper surface of the rail belt 103 at the moment, so that the test tube rack 6 can pass smoothly. In addition, a tensioning assembly 106 for pre-tightening the track belt 103 is further arranged between the left end pulley assembly 104 and the right end pulley assembly 107, and the tensioning assembly 106 is composed of pulleys with two ends fixedly mounted at the bottom of the track side plate 101.
Referring to fig. 4 and 5, the track-changing trolley 2 includes a trolley base plate 201 and a trolley connecting plate 203 with the bottom slidably mounted on the trolley base plate 201, two trolley belt baffles 218 are mounted on one side of the top end of the trolley connecting plate 203 and are parallel to each other, two trolley belt baffles 218 are connected through two trolley driven wheels 216 mounted on two ends, a trolley belt driving motor 205 is mounted on the trolley connecting plate 203, the trolley belt driving motor 205 drives a belt between the two trolley belt baffles 218 to do circular rotation motion through a belt transmission to form a trolley track, it is understood that the trolley belt driving motor 205 drives a trolley belt driving wheel 214 to rotate, the trolley belt driving wheel 214 is connected with the two trolley driven wheels 216 through the belt, and a trolley tensioning assembly 215 is further mounted on the trolley connecting plate 203, and the trolley tensioning assembly 215 is used for tensioning the belt of the trolley track. The bottom of the trolley connecting plate 203 is slidably mounted on a trolley guide rail 202 on the trolley bottom plate 201 through a sliding plate, the trolley connecting plate 203 is driven to operate by a trolley X-axis motor 204, a trolley X-axis reset optocoupler 217 is further mounted on the sliding plate, and the trolley X-axis reset optocoupler 217 is matched with a code wheel on the trolley bottom plate 201 for use. The entrance and the export of dolly track set up entry brake subassembly and export brake subassembly respectively, wherein entry brake subassembly includes entry brake motor 206, entry brake guide arm 207 and entry brake block 208, entry brake motor 206 is linear motor and installs on dolly connecting plate 203, entry brake guide arm 207 links firmly with the motor pole of entry brake motor 206 and goes up and down along vertical direction, entry brake block 208 level is installed at the top of entry brake guide arm 207, under the stop braking state, entry brake block 208 is higher than the upper surface of dolly track and blocks spacing to test-tube rack 6 on the dolly track, when needing to put, entry brake motor 206 action drives entry brake block 208 decline to be less than the dolly track upper surface, test-tube rack 6 on the dolly track can pass smoothly this moment. The outlet brake assembly comprises an outlet brake motor 210, an outlet brake guide rod 211 and an outlet brake plate 212, the outlet brake motor 210 is a linear motor and is installed on the trolley connecting plate 203, an outlet brake rod is fixedly connected with a motor rod of the outlet brake motor 210 and is lifted in the vertical direction, the outlet brake plate 212 is horizontally installed at the top of the outlet brake guide rod 211, under the blocking brake state, the outlet brake plate 212 is higher than the upper surface of a trolley track to block and limit the test tube rack 6 on the trolley track, and when the test tube rack is required to be put down, the outlet brake motor 210 acts to drive the outlet brake plate 212 to descend to be lower than the upper surface of the trolley track, and at the moment, the test tube rack 6 on the trolley track can pass smoothly. In addition, an inlet reset optocoupler 209 and an outlet reset optocoupler 213 are further installed on the trolley belt baffle 218, wherein the inlet reset optocoupler 209 and the vertical plate on the inlet brake pad 208 cooperate, and the outlet reset optocoupler 213 and the vertical plate on the outlet brake pad 212 cooperate.
Referring to fig. 6 and 7, the conventional fork 3 includes a conventional bottom plate 301 and an upper fork connector 315 and a lower fork connector 322 horizontally slidably mounted on the conventional bottom plate 301, and the upper fork connector 315 and the lower fork connector 322 each independently operate and do not interfere with each other, so as to alternately perform a follow-up limiting operation on adjacent sample test tube racks 6, and complete buffering, imbibition and release operations on a conventional track, for example, the upper fork connector 315 performs a follow-up limiting operation on the first test tube rack 6 until release, the lower fork connector 322 performs a follow-up limiting operation on the second test tube rack 6 adjacent to the first test tube rack 6 until release, and when the first test tube rack 6 releases, the second test tube rack 6 performs imbibition operation, and simultaneously, the upper fork connector 315 returns to the next test tube rack 6 adjacent to the second test tube rack 6, and when the second test tube rack 6 releases, the lower fork connector 322 returns to the next test tube rack 6 to perform a follow-up limiting operation, so that the above structure is repeated, unlike the conventional structure in the prior art, so that the takt time can be greatly reduced. Specifically, the upper fork connecting member 315 and the lower fork connecting member 322 can respectively limit and follow up the test tube rack 6 on the conventional rail, and the strokes of the upper fork connecting member 315 and the lower fork connecting member are the same, the upper fork connecting member 315 is slidably mounted on the upper linear guide rail 302 on the conventional bottom plate 301, the lower fork connecting member 322 is slidably mounted on the lower linear guide rail 303 on the conventional bottom plate 301, at the same time, the upper fork connecting member 315 is driven to reciprocate by an upper driving motor 306 mounted on the conventional bottom plate 301 through belt transmission, the lower fork connecting member 322 is driven to reciprocate by a lower driving motor 307 mounted on the conventional bottom plate 301 through belt transmission, specifically, the upper driving motor 306 is mounted in synchronous rotation with an upper driving wheel 304 positioned at one end of the conventional bottom plate 301, the lower driving motor 307 is mounted in synchronous rotation with a lower driving wheel 305 positioned at one end of the conventional bottom plate 301, and the upper driving wheel 304 and the lower driving wheel 305 are respectively mounted in synchronous rotation with a driven wheel positioned at the other end of the conventional bottom plate 301 through belt.
Referring to fig. 6 and 7, an upper fork 318 for limiting the test tube rack 6 on the conventional rail is mounted on the upper fork connecting member 315, specifically, an upper fork driving motor 312, an upper fork driving rod 316 and an upper fork connecting rod 317 are mounted on the upper fork connecting member 315, a motor shaft of the upper fork driving motor 312 is mounted on the upper fork connecting member 315, the upper fork driving motor 312 and the upper fork guide rod 313 are relatively and fixedly mounted, the upper fork guide rod 313 is connected with the upper fork driving rod 316 and drives the upper fork driving rod 316 to reciprocate, one end of the upper fork connecting rod 317 and one end of the upper fork connecting rod 316 are rotatably mounted through a rotating shaft, the other end of the upper fork connecting rod 317 and one end of the upper fork 318 are rotatably mounted through a rotating shaft, the middle part of the upper fork 318 is rotatably mounted on the upper fork connecting member 315 through a rotating shaft, and when the upper driving motor 312 acts, the upper fork driving rod 316 is driven to reciprocate by the upper fork driving rod 317 along the rotating shaft, thereby realizing that the free end of the upper fork 318 protrudes out of the upper fork connecting member 315 or is retracted, and thus realizing limiting or releasing the test tube rack 6; the lower fork connecting piece 322 is provided with a lower fork 325 used for limiting the test tube rack 6 on the conventional track, specifically, the lower fork connecting piece 322 is provided with a lower fork driving motor 319, a lower fork driving rod 323 and a lower fork connecting rod 324, a motor shaft of the lower fork driving motor 319 is arranged on the lower fork connecting piece 322, the lower fork driving motor 319 and the lower fork guide rod 320 are relatively and fixedly arranged, the lower fork guide rod 320 is connected with the lower fork driving rod 323 and drives the lower fork driving rod 323 to reciprocate, one end of the lower fork connecting rod 324 is rotatably arranged with the lower fork driving rod 323 through a rotating shaft, the other end of the lower fork connecting rod 324 is rotatably arranged with one end of the lower fork 325 through a rotating shaft, the middle part of the lower fork 325 is rotatably arranged on the lower fork connecting piece 322 through a fork rotating shaft, and when the lower fork driving motor 319 acts, the lower fork driving rod 323 is driven to reciprocate, the lower fork driving rod 323 drives the lower fork 325 to rotate along the fork rotating shaft through the lower fork driving rod 324, so that the free end of the lower fork is protruded out of the lower fork connecting piece 322 or the lower fork driving rod 320 is retracted, and limiting or releasing the test tube rack 6 is realized.
Referring to fig. 6 and 7, an upper reset optocoupler 308 is further mounted on the upper fork connecting member 315, the upper reset optocoupler 308 is used in cooperation with an upper code wheel 310 mounted on the conventional base plate 301 for resetting and zeroing the position of the upper fork connecting member 315, and a lower reset optocoupler 309 is further mounted on the lower fork connecting member 322, and the lower reset optocoupler 309 is used in cooperation with a lower code wheel 311 mounted on the conventional base plate 301 for resetting and zeroing the position of the lower fork connecting member 322. In addition, an upper fork resetting optocoupler 314 is installed on the upper fork connecting piece 315, a lower fork resetting optocoupler 321 is installed on the lower fork connecting piece 322, and the upper fork resetting optocoupler 314 and the lower fork resetting optocoupler 321 are respectively used for resetting and zeroing the positions of the upper fork 318 and the lower fork 325. An upper fork resetting optocoupler 314 and a lower fork resetting optocoupler 321 are respectively arranged on the lower fork guide rod 320 and the upper fork guide rod 313, and code plates matched with the upper fork resetting optocoupler 314 and the lower fork resetting optocoupler 321 are respectively arranged on the upper fork connecting piece 315 and the lower fork connecting piece 322.
Referring to fig. 8 and 9, the return fork 4 includes a return mounting plate 401 and a push rod 411 longitudinally and transversely slidably mounted along the return mounting plate 401, the push rod 411 is used for stirring and limiting release operations on the test tube rack 6 on the return track, specifically, a return transverse linear guide 405 and a return driving motor 406 are mounted on the return mounting plate 401, a return connecting member 404 is slidably mounted on the return transverse linear guide 405, the return driving motor 406 drives the return driving wheel 407 to enable a driven wheel rotatably mounted on the return mounting plate 401 to synchronously rotate with the driven wheel through a belt, the return connecting member 404 is fixedly mounted on the belt and synchronously moves with the belt, the return connecting member 404 is provided with a return longitudinal linear guide 408, a push rod 411 is slidably mounted on the return longitudinal linear guide 408, a tension spring 409 arranged along the direction of the return longitudinal linear guide 408 is mounted between the bottom of the push rod 411 and the return connecting member 404, a guide block with an inclined surface is mounted on the push rod 411, a fixed vertical plate 401 is mounted on the return mounting plate, a bearing 410 is rotatably mounted on the fixed vertical plate, the inclined surface of the guide block 410 is in contact with the bearing 410 and relatively rolls, when the push rod 411 moves in a direction approaching to the bearing 410 under the action of the connecting member 404, the action of the pull rod 408 moves along the direction of the pull rod, and the inclined surface of the pull rod 411 is retracted along the direction of the return linear guide rail 408, and the push rod is retracted along the direction of the return linear guide 409, and the push rod is retracted along the direction of the inclined surface of the return guide 411 when the push rod is moved along the direction of the return guide bearing 411. In addition, a return shift fork code disc 402 is further installed on the return mounting plate 401, and a return shift fork reset optocoupler 403 matched with the return shift fork code disc 402 is installed on the return connecting piece 404.
Referring to fig. 10, the emergency fork assembly 5 includes an emergency mounting plate 501 and an emergency fork 506 slidably mounted on the emergency mounting plate 501, the emergency fork 506 is used for performing a poking operation on a test tube rack 6 on an emergency track, an emergency driving motor 502 is mounted on the emergency mounting plate 501, the emergency driving motor 502 drives a driving wheel and a driven wheel which rotate relative to the emergency mounting plate 501 to rotate synchronously through an emergency driving belt 503, and the emergency fork 506 is fixedly mounted relative to the emergency driving belt 503; an emergency return optocoupler 505 is installed on the emergency shifting fork 506, and a code wheel matched with the emergency return optocoupler 505 is installed on the emergency installation plate 501.
Referring to fig. 1, 3 and 12, the above rail supporting plate 111, the cart base plate 201, the conventional base plate 301, the return mounting plate 401 and the emergency mounting plate 501 are all fixedly mounted on the same platform, the conventional inlet sensor 73, the emergency inlet sensor 72 and the return inlet sensor 71 for monitoring the position of the test tube rack 6 are respectively mounted at the inlets of the conventional rail, the return unloading position sensor 74 is further mounted at the return rail, the position of the return unloading position sensor 74 is more distant from the inlet of the return rail than the inlet of the test tube rack 6, the conventional buffer position sensor 75 and the conventional liquid suction position sensor 77 are further mounted at the conventional rail so as to be closer to the inlet of the conventional rail, and the interval of the conventional buffer level sensor 75 and the conventional imbibition level sensor 77 is larger than the length of the test tube rack 6, the emergency absorption level sensor 76 is further arranged on the emergency track, the conventional outlet sensor 78, the emergency outlet sensor 79 and the return outlet sensor 80 for monitoring the position of the test tube rack 6 are respectively arranged at the outlets of the conventional track, the emergency outlet sensor 79 and the return outlet sensor 80, the trolley inlet sensor 81 and the trolley outlet sensor 82 are respectively arranged at the inlet and the outlet of the trolley 2, the return brake component 110 at the outlet of the return track is a return stop node 83, the emergency brake component 109 at the outlet of the emergency track is an emergency stop node 84, and the conventional brake component 108 at the outlet of the conventional track is a conventional stop node 85.
The test tube rack 6 to be detected is generally divided into a conventional test tube rack and an emergency test tube rack, wherein the emergency test tube rack 6 belongs to an emergency, and the requirements on detection time are relatively fast, so that the emergency test tube rack 6 is generally treated preferentially; in addition, because the number of detection items of different samples is different, a plurality of transmission track units 1 are required to be placed in series, different detection liquids are added into the transmission tracks of different stations to carry out different detection items, the different transmission tracks are communicated through the rail transfer trolley 2, and the test tube rack 6 can return through the return track after the operation required to be processed by the test tube rack 6.
The sample test tube rack 6 transmission system and the transmission method disclosed by the invention are used for carrying out the detection steps of the sample to be detected as follows:
s1: the computer performs instruction setting and storage on a sample test tube rack 6 to be detected in advance;
s2: judging the number n of workstations spaced by the distance between the workstations of the sample test tube rack 6 and the to-be-detected item of the sample test tube rack 6, if n=0, that is, the sample test tube rack 6 has no to-be-detected item, executing S3, if n=1, that is, the next workstation, that is, the to-be-detected workstation of the sample test tube rack 6, executing S4, if n is more than 1, transmitting to the nth workstation through any one of the idle channels of the normal channel, the emergency channel and the return channel of the first n-1 workstations and the track-changing trolley 2, and executing S4;
s3: the sample test tube rack 6 is transmitted to a return track through a track outlet where the sample test tube rack is positioned by the track changing trolley 2 and then is output to the whole detection system, and the detection is completed;
s4: judging whether the sample is an emergency sample, if so, executing S5 after entering an emergency track of the workstation, if the emergency track has an ongoing detection item, executing S2 after waiting for the emergency track to be idle by an initial station, if not, executing S6 after entering a conventional track of the workstation, if the conventional track has an ongoing detection item, executing S2 after waiting for the conventional track to be idle by the initial station, wherein the initial station is a station where all sample test tubes to be detected are stored at the beginning of the whole transmission system;
s5: the method comprises the steps that a sample test tube rack 6 enters an emergency track to carry out emergency liquid suction detection and then enters a rail changing trolley 2, specifically, the sample test tube rack 6 enters the emergency track, an emergency inlet sensor 72 is triggered to move to an emergency liquid suction level sensor 76 along with the emergency track, meanwhile, an emergency shifting fork assembly 5 moves to a liquid suction point to carry out follow-up limit on the sample test tube rack 6, a workstation sequentially sucks liquid for samples on the sample test tube rack 6, after liquid suction is completed, an emergency shifting fork 506 is released, the rail changing trolley 2 moves to an emergency track outlet after receiving signals of the emergency liquid suction level sensor 76, an inlet brake assembly of the rail changing trolley 2 cooperates with an emergency brake assembly 109 of the emergency track outlet, so that the sample test tube rack 6 enters the rail changing trolley 2, and S2 is executed;
s6: the sample test tube rack 6 enters the conventional track to perform conventional liquid suction detection and then enters the rail transfer trolley 2, specifically, the sample test tube rack 6 enters the conventional track, the conventional track is moved to the conventional buffer position sensor 75 after the conventional inlet sensor 73 is triggered, the conventional track is limited in a follow-up manner by the idle upper shifting fork connecting piece 315 or the lower shifting fork connecting piece 322, the space between the sample test tube rack 6 and the sample test tube rack 6 at a liquid suction point is kept, when the sample test tube rack 6 at the liquid suction point completes liquid suction under the follow-up limit control of the occupied lower shifting fork connecting piece 322 or the upper shifting fork connecting piece 315, the sample test tube rack 6 at the liquid suction point is released to the conventional track, the conventional outlet sensor 78 is triggered by the sample test tube rack 6, the sample test tube rack 6 at a buffer position is triggered by the follow-up limit effect of the upper shifting fork connecting piece 315 or the lower shifting fork connecting piece 322 for the follow-up limit of the conventional track, the sample test tube rack 6 is subjected to liquid suction operation on the buffer position of the buffer position sensor 77, and then the sample test tube rack 6 is limited by the follow-up position of the buffer position of the conventional track, and the sample test tube rack 6 is carried out.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The sample test tube rack transmission system is characterized by comprising at least two groups of transmission track units (1), wherein each group of transmission track units (1) comprises a conventional track, an emergency track and a return track which are arranged in parallel, a track changing trolley (2) for transmitting sample test tube racks (6) is arranged between every two adjacent groups of transmission track units (1) and between every two tracks inside each group of transmission track units (1), and a sensor for detecting that the sample test tube racks (6) are positioned at every point is arranged on every track of each group of transmission track units (1), and the return track is a bidirectional transmission track; the transmission track unit (1) further comprises a conventional shifting fork (3) for buffering, follow-up limiting and releasing the conventional track sample test tube rack (6), an emergency shifting fork assembly (5) for buffering, limiting and releasing the emergency track sample test tube rack (6) and a return shifting fork (4) for buffering, limiting and releasing the return track sample test tube rack (6); the conventional shifting fork (3) comprises a conventional bottom plate (301), and an upper shifting fork connecting piece (315) and a lower shifting fork connecting piece (322) which are arranged on the conventional bottom plate (301), wherein the upper shifting fork connecting piece (315) and the lower shifting fork connecting piece (322) respectively independently operate and do not interfere with each other in stroke, and are used for alternately carrying out follow-up limiting on adjacent sample test tube racks (6) to finish buffering, liquid suction and release actions on a conventional track;
the upper shifting fork connecting piece (315) is slidably mounted on an upper linear guide rail (302) on a conventional bottom plate (301), the lower shifting fork connecting piece (322) is slidably mounted on a lower linear guide rail (303) on the conventional bottom plate (301), the upper shifting fork connecting piece (315) is driven to reciprocate by an upper driving motor (306) mounted on the conventional bottom plate (301), the lower shifting fork connecting piece (322) is driven to reciprocate by a lower driving motor (307) mounted on the conventional bottom plate (301), an upper shifting fork (318) for limiting a sample test tube rack (6) on a conventional rail is mounted on the upper shifting fork connecting piece (315), and a lower shifting fork (325) for limiting the sample test tube rack (6) on the conventional rail is mounted on the lower shifting fork connecting piece (322).
2. The sample rack transmission system according to claim 1, wherein the upper fork connecting member (315) is provided with an upper fork driving motor (312), an upper fork driving rod (316) and an upper fork connecting rod (317), a motor shaft of the upper fork driving motor (312) is provided on the upper fork connecting member (315), the upper fork driving motor (312) is fixedly installed with respect to the upper fork guide rod (313), the upper fork guide rod (313) is connected with the upper fork driving rod (316) and drives the upper fork driving rod (316) to reciprocate, one end of the upper fork connecting rod (317) is rotatably installed with the upper fork driving rod (316) through a rotating shaft, the other end of the upper fork connecting rod (317) is rotatably installed with one end of the upper fork connecting rod (318) through a rotating shaft, the middle part of the upper fork connecting rod (318) is rotatably installed on the upper fork connecting member (315) through a fork rotating shaft, the lower fork driving motor (319), a lower fork driving rod (323) and a lower fork connecting rod (324), a motor shaft of the lower fork driving motor (319) is provided on the lower connecting member (319) and drives the lower fork driving rod (322) to reciprocate, the lower fork driving rod (320) is fixedly installed with respect to the lower fork driving rod (320), one end of the lower shifting fork connecting rod (324) is rotatably mounted with the lower shifting fork transmission rod (323) through a rotating shaft, the other end of the lower shifting fork connecting rod (324) is rotatably mounted with one end of the lower shifting fork (325) through the rotating shaft, and the middle part of the lower shifting fork (325) is rotatably mounted on the lower shifting fork connecting piece (322) through a shifting fork rotating shaft.
3. The sample test tube rack transmission system according to any one of claims 1-2, wherein outlets of the conventional rail, the emergency rail and the return rail are respectively provided with a conventional brake assembly (108), an emergency brake assembly (109) and a return brake assembly (110), and the conventional brake assembly (108), the emergency brake assembly (109) and the return brake assembly (110) are respectively matched with the track-changing trolley (2) to control on-off of the outlets of the conventional rail, the emergency rail and the return rail.
4. A sample rack transport system according to claim 3, characterized in that the trolley (2) comprises a trolley floor (201) and a trolley track reciprocating in a direction perpendicular to the track transport direction, the inlet and outlet of which are fitted with an inlet brake assembly and an outlet brake assembly, respectively, independently co-acting with a conventional brake assembly (108), an emergency brake assembly (109) and a return brake assembly (110).
5. The sample test tube rack transmission system according to claim 4, wherein the inlets of the conventional rail, the emergency rail and the return rail are respectively provided with a conventional inlet sensor (73), an emergency inlet sensor (72) and a return inlet sensor (71) for monitoring the position of the test tube rack (6), the return rail is further provided with a return unloading position sensor (74), the conventional rail is further provided with a conventional buffer position sensor (75) and a conventional suction level sensor (77), the emergency rail is further provided with an emergency suction level sensor (76), the outlets of the conventional rail, the emergency rail and the return rail are respectively provided with a conventional outlet sensor (78), an emergency outlet sensor (79) and a return outlet sensor (80), and the inlet and the outlet of the track transfer trolley (2) are respectively provided with a trolley inlet sensor (81) and a trolley outlet sensor (82).
6. A sample tube rack transfer method based on a sample tube rack (6) transfer system according to any of the preceding claims 1-5, each transfer track unit (1) corresponding to a workstation for independent detection of items, characterized in that the method comprises the steps of:
s1: the computer performs instruction setting and storage on a sample test tube rack (6) to be detected in advance;
s2: judging the number n of workstations, where the to-be-detected items of the sample test tube rack (6) are located, away from the workstations spaced by the sample test tube rack (6), if n=0, namely, the sample test tube rack (6) has no to-be-detected items, executing S3, if n=1, namely, the next workstation, namely, the to-be-detected workstation of the sample test tube rack (6), executing S4, if n is more than 1, transmitting to the nth workstation through any one of the idle channels of the normal channel, the emergency channel and the return channel of the first n-1 workstations and the track-changing trolley (2), and executing S4;
s3: the sample test tube rack (6) is transmitted to the return track through the track outlet of the test tube rack through the track changing trolley (2) and then is output to the whole detection system, and detection is completed;
s4: judging whether the sample is an emergency sample, if so, executing S5 after entering an emergency track of the workstation, if the emergency track has an ongoing detection item, executing S2 after waiting for the emergency track to be idle at the initial station, if not, executing S6 after entering a conventional track of the workstation, and if the conventional track has an ongoing detection item, executing S2 after waiting for the conventional track to be idle at the initial station;
s5: the sample test tube rack (6) enters an emergency track to carry out emergency liquid absorption detection and then enters a rail-changing trolley (2), and S2 is executed;
s6: and (2) enabling the sample test tube rack (6) to enter a conventional track for conventional liquid suction detection, and then entering a rail-changing trolley (2), and executing S2.
7. The method of claim 6, wherein,
in step S5, a sample test tube rack (6) enters an emergency treatment track, an emergency treatment inlet sensor (72) is triggered to move to an emergency treatment absorption liquid level sensor (76) along with the emergency treatment track, meanwhile, an emergency treatment shifting fork assembly (5) moves to a liquid absorption point to carry out follow-up limit on the sample test tube rack (6), a workstation sequentially absorbs liquid on samples on the sample test tube rack (6), after liquid absorption is completed, the emergency treatment shifting fork assembly (5) is released, a rail changing trolley (2) moves to an emergency treatment track outlet after receiving signals of the emergency treatment absorption liquid level sensor (76), and an inlet brake assembly of the rail changing trolley (2) cooperates with an emergency treatment brake assembly (109) of the emergency treatment track outlet to enable the sample test tube rack (6) to enter the rail changing trolley (2).
8. The method according to claim 7, wherein in step S6: the method comprises the steps that a sample test tube rack (6) enters a conventional track, a conventional track is triggered to move to a conventional buffer position sensor (75) after a conventional inlet sensor (73) is triggered, an idle upper shifting fork connecting piece (315) or a lower shifting fork connecting piece (322) is used for carrying out follow-up limiting on the conventional track, meanwhile, a distance between the sample test tube rack (6) and the sample test tube rack (6) at a liquid suction point is kept, when the sample test tube rack (6) at the liquid suction point is under the follow-up limiting control of the occupied lower shifting fork connecting piece (322) or the upper shifting fork connecting piece (315), the sample test tube rack (6) at the liquid suction point is released to a conventional track outlet to trigger a conventional outlet sensor (78) and then enters a rail trolley (2), the sample test tube rack (6) at the buffer position is released, the sample test tube rack (6) at the buffer position is triggered under the follow-up limiting effect of the upper shifting fork connecting piece (315) or the lower shifting fork connecting piece (322) for carrying out follow-up limiting on the sample test tube rack, and the idle lower shifting fork connecting piece (322) or the upper shifting fork connecting piece (315) at the liquid suction point is released to carry out liquid suction operation, and the sample is returned to the conventional position to the buffer position of the test tube rack (6) to be subjected to detection.
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| CN202311159442.6A CN116893275B (en) | 2023-09-11 | 2023-09-11 | Sample test tube rack transmission system and transmission method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311159442.6A CN116893275B (en) | 2023-09-11 | 2023-09-11 | Sample test tube rack transmission system and transmission method |
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| CN116893275B true CN116893275B (en) | 2023-12-01 |
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| WO2023035258A1 (en) * | 2021-09-11 | 2023-03-16 | 山东博科生物产业有限公司 | Sample rack conveying apparatus and analyzer |
| CN219369778U (en) * | 2023-02-11 | 2023-07-18 | 烟台艾德康生物科技有限公司 | Sample conveying and sample auxiliary sampling device |
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| US3525591A (en) * | 1965-06-15 | 1970-08-25 | Autokemi Ab | Apparatus for analyzing liquid samples |
| CN107850611A (en) * | 2016-04-15 | 2018-03-27 | 深圳迈瑞生物医疗电子股份有限公司 | Sample rack conveying arrangement, sample analysis apparatus and sample analysis system |
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| CN116893275A (en) | 2023-10-17 |
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